annotate Python/compile.c @ 19601:04fd3869c6bb legacy-trunk

Removed unreachable goto statement to silence SGI compiler.
author Sjoerd Mullender <sjoerd@acm.org>
date Thu, 30 Aug 2001 14:06:45 +0000
parents 62bf9401a1ac
children f7cf8961c667
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1 /* Compile an expression node to intermediate code */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3 /* XXX TO DO:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
4 XXX add __doc__ attribute == co_doc to code object attributes?
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
5 XXX (it's currently the first item of the co_const tuple)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
6 XXX Generate simple jump for break/return outside 'try...finally'
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
7 XXX Allow 'continue' inside finally clause of try-finally
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
8 XXX New opcode for loading the initial index for a for loop
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
9 XXX other JAR tricks?
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
10 */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
11
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
12 #include "Python.h"
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
13
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
14 #include "node.h"
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
15 #include "token.h"
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
16 #include "graminit.h"
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
17 #include "compile.h"
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
18 #include "symtable.h"
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
19 #include "opcode.h"
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
20 #include "structmember.h"
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
21
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
22 #include <ctype.h>
176
229168a2fe28 Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents: 160
diff changeset
23
5438
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
24 /* Three symbols from graminit.h are also defined in Python.h, with
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
25 Py_ prefixes to their names. Python.h can't include graminit.h
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
26 (which defines too many confusing symbols), but we can check here
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
27 that they haven't changed (which is very unlikely, but possible). */
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
28 #if Py_single_input != single_input
5566
19d4a2874645 Indent the #error directives so a classic K&R cpp doesn't see them.
Guido van Rossum <guido@python.org>
parents: 5453
diff changeset
29 #error "single_input has changed -- update Py_single_input in Python.h"
5438
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
30 #endif
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
31 #if Py_file_input != file_input
5566
19d4a2874645 Indent the #error directives so a classic K&R cpp doesn't see them.
Guido van Rossum <guido@python.org>
parents: 5453
diff changeset
32 #error "file_input has changed -- update Py_file_input in Python.h"
5438
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
33 #endif
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
34 #if Py_eval_input != eval_input
5566
19d4a2874645 Indent the #error directives so a classic K&R cpp doesn't see them.
Guido van Rossum <guido@python.org>
parents: 5453
diff changeset
35 #error "eval_input has changed -- update Py_eval_input in Python.h"
5438
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
36 #endif
e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root'
Guido van Rossum <guido@python.org>
parents: 5373
diff changeset
37
5164
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
38 int Py_OptimizeFlag = 0;
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
39
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
40 #define OP_DELETE 0
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
41 #define OP_ASSIGN 1
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
42 #define OP_APPLY 2
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
43
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
44 #define VAR_LOAD 0
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
45 #define VAR_STORE 1
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
46 #define VAR_DELETE 2
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
47
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
48 #define DEL_CLOSURE_ERROR \
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
49 "can not delete variable '%.400s' referenced in nested scope"
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
50
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
51 #define DUPLICATE_ARGUMENT \
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
52 "duplicate argument '%s' in function definition"
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
53
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
54 #define ILLEGAL_DYNAMIC_SCOPE \
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
55 "%.100s: exec or 'import *' makes names ambiguous in nested scope"
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
56
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
57 #define GLOBAL_AFTER_ASSIGN \
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
58 "name '%.400s' is assigned to before global declaration"
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
59
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
60 #define GLOBAL_AFTER_USE \
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
61 "name '%.400s' is used prior to global declaration"
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
62
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
63 #define LOCAL_GLOBAL \
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
64 "name '%.400s' is a function paramter and declared global"
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
65
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
66 #define LATE_FUTURE \
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
67 "from __future__ imports must occur at the beginning of the file"
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
68
17185
f9a30015e8b0 Make it illegal to assign to __debug__ as per Guido's request.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17132
diff changeset
69 #define ASSIGN_DEBUG \
f9a30015e8b0 Make it illegal to assign to __debug__ as per Guido's request.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17132
diff changeset
70 "can not assign to __debug__"
f9a30015e8b0 Make it illegal to assign to __debug__ as per Guido's request.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17132
diff changeset
71
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
72 #define MANGLE_LEN 256
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
73
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
74 #define OFF(x) offsetof(PyCodeObject, x)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
75
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
76 static struct memberlist code_memberlist[] = {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
77 {"co_argcount", T_INT, OFF(co_argcount), READONLY},
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
78 {"co_nlocals", T_INT, OFF(co_nlocals), READONLY},
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
79 {"co_stacksize",T_INT, OFF(co_stacksize), READONLY},
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
80 {"co_flags", T_INT, OFF(co_flags), READONLY},
568
92509d304e47 add READONLY to member list.
Guido van Rossum <guido@python.org>
parents: 544
diff changeset
81 {"co_code", T_OBJECT, OFF(co_code), READONLY},
92509d304e47 add READONLY to member list.
Guido van Rossum <guido@python.org>
parents: 544
diff changeset
82 {"co_consts", T_OBJECT, OFF(co_consts), READONLY},
92509d304e47 add READONLY to member list.
Guido van Rossum <guido@python.org>
parents: 544
diff changeset
83 {"co_names", T_OBJECT, OFF(co_names), READONLY},
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
84 {"co_varnames", T_OBJECT, OFF(co_varnames), READONLY},
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
85 {"co_freevars", T_OBJECT, OFF(co_freevars), READONLY},
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
86 {"co_cellvars", T_OBJECT, OFF(co_cellvars), READONLY},
568
92509d304e47 add READONLY to member list.
Guido van Rossum <guido@python.org>
parents: 544
diff changeset
87 {"co_filename", T_OBJECT, OFF(co_filename), READONLY},
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
88 {"co_name", T_OBJECT, OFF(co_name), READONLY},
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
89 {"co_firstlineno", T_INT, OFF(co_firstlineno), READONLY},
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
90 {"co_lnotab", T_OBJECT, OFF(co_lnotab), READONLY},
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
91 {NULL} /* Sentinel */
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
92 };
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
93
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
94 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
95 code_getattr(PyCodeObject *co, char *name)
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
96 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
97 return PyMember_Get((char *)co, code_memberlist, name);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
98 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
99
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
100 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
101 code_dealloc(PyCodeObject *co)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
102 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
103 Py_XDECREF(co->co_code);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
104 Py_XDECREF(co->co_consts);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
105 Py_XDECREF(co->co_names);
5901
ba49a6ef7214 Plug a leak in code_dealloc() (and reordered the deallocs to match the
Guido van Rossum <guido@python.org>
parents: 5754
diff changeset
106 Py_XDECREF(co->co_varnames);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
107 Py_XDECREF(co->co_freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
108 Py_XDECREF(co->co_cellvars);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
109 Py_XDECREF(co->co_filename);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
110 Py_XDECREF(co->co_name);
5901
ba49a6ef7214 Plug a leak in code_dealloc() (and reordered the deallocs to match the
Guido van Rossum <guido@python.org>
parents: 5754
diff changeset
111 Py_XDECREF(co->co_lnotab);
12576
1c7c2dd1beb1 Vladimir Marangozov's long-awaited malloc restructuring.
Guido van Rossum <guido@python.org>
parents: 12538
diff changeset
112 PyObject_DEL(co);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
113 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
114
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
115 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
116 code_repr(PyCodeObject *co)
1029
2f9805c963e8 Give code objects a more useful representation.
Guido van Rossum <guido@python.org>
parents: 792
diff changeset
117 {
2f9805c963e8 Give code objects a more useful representation.
Guido van Rossum <guido@python.org>
parents: 792
diff changeset
118 char buf[500];
2f9805c963e8 Give code objects a more useful representation.
Guido van Rossum <guido@python.org>
parents: 792
diff changeset
119 int lineno = -1;
2f9805c963e8 Give code objects a more useful representation.
Guido van Rossum <guido@python.org>
parents: 792
diff changeset
120 char *filename = "???";
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
121 char *name = "???";
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
122
12278
647bf71912f0 Vladimir Marangozov: This fixes the line number in the string
Guido van Rossum <guido@python.org>
parents: 12086
diff changeset
123 if (co->co_firstlineno != 0)
647bf71912f0 Vladimir Marangozov: This fixes the line number in the string
Guido van Rossum <guido@python.org>
parents: 12086
diff changeset
124 lineno = co->co_firstlineno;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
125 if (co->co_filename && PyString_Check(co->co_filename))
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
126 filename = PyString_AS_STRING(co->co_filename);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
127 if (co->co_name && PyString_Check(co->co_name))
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
128 name = PyString_AS_STRING(co->co_name);
13227
c2df5d28034d Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 13096
diff changeset
129 sprintf(buf, "<code object %.100s at %p, file \"%.300s\", line %d>",
c2df5d28034d Trent Mick <trentm@activestate.com>:
Fred Drake <fdrake@acm.org>
parents: 13096
diff changeset
130 name, co, filename, lineno);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
131 return PyString_FromString(buf);
1029
2f9805c963e8 Give code objects a more useful representation.
Guido van Rossum <guido@python.org>
parents: 792
diff changeset
132 }
2f9805c963e8 Give code objects a more useful representation.
Guido van Rossum <guido@python.org>
parents: 792
diff changeset
133
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
134 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
135 code_compare(PyCodeObject *co, PyCodeObject *cp)
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
136 {
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
137 int cmp;
12333
525b2358721e Patch by Vladimir Marangozov to include the function name when
Guido van Rossum <guido@python.org>
parents: 12278
diff changeset
138 cmp = PyObject_Compare(co->co_name, cp->co_name);
525b2358721e Patch by Vladimir Marangozov to include the function name when
Guido van Rossum <guido@python.org>
parents: 12278
diff changeset
139 if (cmp) return cmp;
6186
2e755d1ff661 Cprrect stuoid tyops -- was comparing variabes with themselves because
Guido van Rossum <guido@python.org>
parents: 5901
diff changeset
140 cmp = co->co_argcount - cp->co_argcount;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
141 if (cmp) return cmp;
6186
2e755d1ff661 Cprrect stuoid tyops -- was comparing variabes with themselves because
Guido van Rossum <guido@python.org>
parents: 5901
diff changeset
142 cmp = co->co_nlocals - cp->co_nlocals;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
143 if (cmp) return cmp;
6186
2e755d1ff661 Cprrect stuoid tyops -- was comparing variabes with themselves because
Guido van Rossum <guido@python.org>
parents: 5901
diff changeset
144 cmp = co->co_flags - cp->co_flags;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
145 if (cmp) return cmp;
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
146 cmp = PyObject_Compare(co->co_code, cp->co_code);
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
147 if (cmp) return cmp;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
148 cmp = PyObject_Compare(co->co_consts, cp->co_consts);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
149 if (cmp) return cmp;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
150 cmp = PyObject_Compare(co->co_names, cp->co_names);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
151 if (cmp) return cmp;
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
152 cmp = PyObject_Compare(co->co_varnames, cp->co_varnames);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
153 if (cmp) return cmp;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
154 cmp = PyObject_Compare(co->co_freevars, cp->co_freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
155 if (cmp) return cmp;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
156 cmp = PyObject_Compare(co->co_cellvars, cp->co_cellvars);
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
157 return cmp;
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
158 }
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
159
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
160 static long
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
161 code_hash(PyCodeObject *co)
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
162 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
163 long h, h0, h1, h2, h3, h4, h5, h6;
12333
525b2358721e Patch by Vladimir Marangozov to include the function name when
Guido van Rossum <guido@python.org>
parents: 12278
diff changeset
164 h0 = PyObject_Hash(co->co_name);
525b2358721e Patch by Vladimir Marangozov to include the function name when
Guido van Rossum <guido@python.org>
parents: 12278
diff changeset
165 if (h0 == -1) return -1;
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
166 h1 = PyObject_Hash(co->co_code);
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
167 if (h1 == -1) return -1;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
168 h2 = PyObject_Hash(co->co_consts);
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
169 if (h2 == -1) return -1;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
170 h3 = PyObject_Hash(co->co_names);
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
171 if (h3 == -1) return -1;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
172 h4 = PyObject_Hash(co->co_varnames);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
173 if (h4 == -1) return -1;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
174 h5 = PyObject_Hash(co->co_freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
175 if (h5 == -1) return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
176 h6 = PyObject_Hash(co->co_cellvars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
177 if (h6 == -1) return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
178 h = h0 ^ h1 ^ h2 ^ h3 ^ h4 ^ h5 ^ h6 ^
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
179 co->co_argcount ^ co->co_nlocals ^ co->co_flags;
1399
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
180 if (h == -1) h = -2;
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
181 return h;
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
182 }
cc172ce05561 Added compare operations for functions and code objects.
Guido van Rossum <guido@python.org>
parents: 1369
diff changeset
183
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
184 /* XXX code objects need to participate in GC? */
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
185
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
186 PyTypeObject PyCode_Type = {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
187 PyObject_HEAD_INIT(&PyType_Type)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
188 0,
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
189 "code",
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
190 sizeof(PyCodeObject),
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
191 0,
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
192 (destructor)code_dealloc, /*tp_dealloc*/
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
193 0, /*tp_print*/
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
194 (getattrfunc)code_getattr, /*tp_getattr*/
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
195 0, /*tp_setattr*/
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
196 (cmpfunc)code_compare, /*tp_compare*/
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
197 (reprfunc)code_repr, /*tp_repr*/
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
198 0, /*tp_as_number*/
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
199 0, /*tp_as_sequence*/
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
200 0, /*tp_as_mapping*/
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
201 (hashfunc)code_hash, /*tp_hash*/
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
202 };
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
203
5287
5af766a1b531 Tweaks to keep the Microsoft compiler quier.
Guido van Rossum <guido@python.org>
parents: 5264
diff changeset
204 #define NAME_CHARS \
5af766a1b531 Tweaks to keep the Microsoft compiler quier.
Guido van Rossum <guido@python.org>
parents: 5264
diff changeset
205 "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ_abcdefghijklmnopqrstuvwxyz"
5af766a1b531 Tweaks to keep the Microsoft compiler quier.
Guido van Rossum <guido@python.org>
parents: 5264
diff changeset
206
16006
51811d78a9da SF Patch #103250, by pj99: Optimize a strspn() out of startup.
Guido van Rossum <guido@python.org>
parents: 15438
diff changeset
207 /* all_name_chars(s): true iff all chars in s are valid NAME_CHARS */
51811d78a9da SF Patch #103250, by pj99: Optimize a strspn() out of startup.
Guido van Rossum <guido@python.org>
parents: 15438
diff changeset
208
51811d78a9da SF Patch #103250, by pj99: Optimize a strspn() out of startup.
Guido van Rossum <guido@python.org>
parents: 15438
diff changeset
209 static int
51811d78a9da SF Patch #103250, by pj99: Optimize a strspn() out of startup.
Guido van Rossum <guido@python.org>
parents: 15438
diff changeset
210 all_name_chars(unsigned char *s)
51811d78a9da SF Patch #103250, by pj99: Optimize a strspn() out of startup.
Guido van Rossum <guido@python.org>
parents: 15438
diff changeset
211 {
16523
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
212 static char ok_name_char[256];
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
213 static unsigned char *name_chars = (unsigned char *)NAME_CHARS;
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
214
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
215 if (ok_name_char[*name_chars] == 0) {
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
216 unsigned char *p;
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
217 for (p = name_chars; *p; p++)
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
218 ok_name_char[*p] = 1;
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
219 }
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
220 while (*s) {
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
221 if (ok_name_char[*s++] == 0)
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
222 return 0;
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
223 }
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
224 return 1;
16006
51811d78a9da SF Patch #103250, by pj99: Optimize a strspn() out of startup.
Guido van Rossum <guido@python.org>
parents: 15438
diff changeset
225 }
51811d78a9da SF Patch #103250, by pj99: Optimize a strspn() out of startup.
Guido van Rossum <guido@python.org>
parents: 15438
diff changeset
226
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
227 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
228 intern_strings(PyObject *tuple)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
229 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
230 int i;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
231
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
232 for (i = PyTuple_GET_SIZE(tuple); --i >= 0; ) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
233 PyObject *v = PyTuple_GET_ITEM(tuple, i);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
234 if (v == NULL || !PyString_Check(v)) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
235 Py_FatalError("non-string found in code slot");
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
236 PyErr_BadInternalCall();
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
237 return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
238 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
239 PyString_InternInPlace(&PyTuple_GET_ITEM(tuple, i));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
240 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
241 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
242 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
243
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
244 PyCodeObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
245 PyCode_New(int argcount, int nlocals, int stacksize, int flags,
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
246 PyObject *code, PyObject *consts, PyObject *names,
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
247 PyObject *varnames, PyObject *freevars, PyObject *cellvars,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
248 PyObject *filename, PyObject *name, int firstlineno,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
249 PyObject *lnotab)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
250 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
251 PyCodeObject *co;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
252 int i;
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
253 PyBufferProcs *pb;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
254 /* Check argument types */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
255 if (argcount < 0 || nlocals < 0 ||
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
256 code == NULL ||
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
257 consts == NULL || !PyTuple_Check(consts) ||
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
258 names == NULL || !PyTuple_Check(names) ||
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
259 varnames == NULL || !PyTuple_Check(varnames) ||
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
260 freevars == NULL || !PyTuple_Check(freevars) ||
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
261 cellvars == NULL || !PyTuple_Check(cellvars) ||
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
262 name == NULL || !PyString_Check(name) ||
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
263 filename == NULL || !PyString_Check(filename) ||
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
264 lnotab == NULL || !PyString_Check(lnotab)) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
265 PyErr_BadInternalCall();
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
266 return NULL;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
267 }
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
268 pb = code->ob_type->tp_as_buffer;
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
269 if (pb == NULL ||
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
270 pb->bf_getreadbuffer == NULL ||
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
271 pb->bf_getsegcount == NULL ||
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
272 (*pb->bf_getsegcount)(code, NULL) != 1)
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
273 {
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
274 PyErr_BadInternalCall();
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
275 return NULL;
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
276 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
277 intern_strings(names);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
278 intern_strings(varnames);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
279 if (freevars == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
280 freevars = PyTuple_New(0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
281 intern_strings(freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
282 if (cellvars == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
283 cellvars = PyTuple_New(0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
284 intern_strings(cellvars);
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
285 /* Intern selected string constants */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
286 for (i = PyTuple_Size(consts); --i >= 0; ) {
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
287 PyObject *v = PyTuple_GetItem(consts, i);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
288 if (!PyString_Check(v))
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
289 continue;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
290 if (!all_name_chars((unsigned char *)PyString_AS_STRING(v)))
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
291 continue;
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
292 PyString_InternInPlace(&PyTuple_GET_ITEM(consts, i));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
293 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
294 co = PyObject_NEW(PyCodeObject, &PyCode_Type);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
295 if (co != NULL) {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
296 co->co_argcount = argcount;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
297 co->co_nlocals = nlocals;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
298 co->co_stacksize = stacksize;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
299 co->co_flags = flags;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
300 Py_INCREF(code);
9293
0a67db47e1d0 Changes to support other object types besides strings
Guido van Rossum <guido@python.org>
parents: 9215
diff changeset
301 co->co_code = code;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
302 Py_INCREF(consts);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
303 co->co_consts = consts;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
304 Py_INCREF(names);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
305 co->co_names = names;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
306 Py_INCREF(varnames);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
307 co->co_varnames = varnames;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
308 Py_INCREF(freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
309 co->co_freevars = freevars;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
310 Py_INCREF(cellvars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
311 co->co_cellvars = cellvars;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
312 Py_INCREF(filename);
266
b5826bf29677 Changed and exported newcodeobject() interface, for ".pyc" files.
Guido van Rossum <guido@python.org>
parents: 238
diff changeset
313 co->co_filename = filename;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
314 Py_INCREF(name);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
315 co->co_name = name;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
316 co->co_firstlineno = firstlineno;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
317 Py_INCREF(lnotab);
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
318 co->co_lnotab = lnotab;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
319 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
320 return co;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
321 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
322
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
323
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
324 /* Data structure used internally */
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
325
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
326 /* The compiler uses two passes to generate bytecodes. The first pass
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
327 builds the symbol table. The second pass generates the bytecode.
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
328
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
329 The first pass uses a single symtable struct. The second pass uses
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
330 a compiling struct for each code block. The compiling structs
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
331 share a reference to the symtable.
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
332
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
333 The two passes communicate via symtable_load_symbols() and via
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
334 is_local() and is_global(). The former initializes several slots
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
335 in the compiling struct: c_varnames, c_locals, c_nlocals,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
336 c_argcount, c_globals, and c_flags.
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
337 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
338
18065
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
339 /* All about c_lnotab.
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
340
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
341 c_lnotab is an array of unsigned bytes disguised as a Python string. In -O
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
342 mode, SET_LINENO opcodes aren't generated, and bytecode offsets are mapped
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
343 to source code line #s (when needed for tracebacks) via c_lnotab instead.
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
344 The array is conceptually a list of
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
345 (bytecode offset increment, line number increment)
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
346 pairs. The details are important and delicate, best illustrated by example:
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
347
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
348 byte code offset source code line number
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
349 0 1
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
350 6 2
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
351 50 7
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
352 350 307
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
353 361 308
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
354
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
355 The first trick is that these numbers aren't stored, only the increments
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
356 from one row to the next (this doesn't really work, but it's a start):
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
357
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
358 0, 1, 6, 1, 44, 5, 300, 300, 11, 1
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
359
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
360 The second trick is that an unsigned byte can't hold negative values, or
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
361 values larger than 255, so (a) there's a deep assumption that byte code
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
362 offsets and their corresponding line #s both increase monotonically, and (b)
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
363 if at least one column jumps by more than 255 from one row to the next, more
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
364 than one pair is written to the table. In case #b, there's no way to know
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
365 from looking at the table later how many were written. That's the delicate
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
366 part. A user of c_lnotab desiring to find the source line number
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
367 corresponding to a bytecode address A should do something like this
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
368
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
369 lineno = addr = 0
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
370 for addr_incr, line_incr in c_lnotab:
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
371 addr += addr_incr
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
372 if addr > A:
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
373 return lineno
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
374 lineno += line_incr
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
375
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
376 In order for this to work, when the addr field increments by more than 255,
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
377 the line # increment in each pair generated must be 0 until the remaining addr
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
378 increment is < 256. So, in the example above, com_set_lineno should not (as
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
379 was actually done until 2.2) expand 300, 300 to 255, 255, 45, 45, but to
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
380 255, 0, 45, 255, 0, 45.
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
381 */
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
382
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
383 struct compiling {
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
384 PyObject *c_code; /* string */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
385 PyObject *c_consts; /* list of objects */
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
386 PyObject *c_const_dict; /* inverse of c_consts */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
387 PyObject *c_names; /* list of strings (names) */
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
388 PyObject *c_name_dict; /* inverse of c_names */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
389 PyObject *c_globals; /* dictionary (value=None) */
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
390 PyObject *c_locals; /* dictionary (value=localID) */
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
391 PyObject *c_varnames; /* list (inverse of c_locals) */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
392 PyObject *c_freevars; /* dictionary (value=None) */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
393 PyObject *c_cellvars; /* list */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
394 int c_nlocals; /* index of next local */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
395 int c_argcount; /* number of top-level arguments */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
396 int c_flags; /* same as co_flags */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
397 int c_nexti; /* index into c_code */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
398 int c_errors; /* counts errors occurred */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
399 int c_infunction; /* set when compiling a function */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
400 int c_interactive; /* generating code for interactive command */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
401 int c_loops; /* counts nested loops */
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
402 int c_begin; /* begin of current loop, for 'continue' */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
403 int c_block[CO_MAXBLOCKS]; /* stack of block types */
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
404 int c_nblocks; /* current block stack level */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
405 char *c_filename; /* filename of current node */
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
406 char *c_name; /* name of object (e.g. function) */
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
407 int c_lineno; /* Current line number */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
408 int c_stacklevel; /* Current stack level */
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
409 int c_maxstacklevel; /* Maximum stack level */
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
410 int c_firstlineno;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
411 PyObject *c_lnotab; /* Table mapping address to line number */
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
412 int c_last_addr, c_last_line, c_lnotab_next;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
413 char *c_private; /* for private name mangling */
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
414 int c_tmpname; /* temporary local name counter */
16523
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
415 int c_nested; /* Is block nested funcdef or lamdef? */
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
416 int c_closure; /* Is nested w/freevars? */
9d625303f914 Reindent a function that was somehow indented by 7 spaces. Also did a
Guido van Rossum <guido@python.org>
parents: 16428
diff changeset
417 struct symtable *c_symtable; /* pointer to module symbol table */
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16783
diff changeset
418 PyFutureFeatures *c_future; /* pointer to module's __future__ */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
419 };
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
420
17518
f939ce52a734 Make some private symbols static.
Guido van Rossum <guido@python.org>
parents: 17355
diff changeset
421 static int
f939ce52a734 Make some private symbols static.
Guido van Rossum <guido@python.org>
parents: 17355
diff changeset
422 is_free(int v)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
423 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
424 if ((v & (USE | DEF_FREE))
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
425 && !(v & (DEF_LOCAL | DEF_PARAM | DEF_GLOBAL)))
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
426 return 1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
427 if (v & DEF_FREE_CLASS)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
428 return 1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
429 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
430 }
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
431
16428
6496844c4a42 Fix symbol table pass to generation SyntaxError exceptions that
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16421
diff changeset
432 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
433 com_error(struct compiling *c, PyObject *exc, char *msg)
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
434 {
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
435 PyObject *t = NULL, *v = NULL, *w = NULL, *line = NULL;
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
436
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
437 if (c == NULL) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
438 /* Error occurred via symtable call to
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
439 is_constant_false */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
440 PyErr_SetString(exc, msg);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
441 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
442 }
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
443 c->c_errors++;
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
444 if (c->c_lineno < 1 || c->c_interactive) {
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
445 /* Unknown line number or interactive input */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
446 PyErr_SetString(exc, msg);
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
447 return;
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
448 }
13993
716e1c4e3f78 When raising a SyntaxError, make a best-effort attempt to set the
Fred Drake <fdrake@acm.org>
parents: 13956
diff changeset
449 v = PyString_FromString(msg);
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
450 if (v == NULL)
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
451 return; /* MemoryError, too bad */
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
452
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
453 line = PyErr_ProgramText(c->c_filename, c->c_lineno);
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
454 if (line == NULL) {
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
455 Py_INCREF(Py_None);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
456 line = Py_None;
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
457 }
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
458 t = Py_BuildValue("(ziOO)", c->c_filename, c->c_lineno,
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
459 Py_None, line);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
460 if (t == NULL)
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
461 goto exit;
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
462 w = Py_BuildValue("(OO)", v, t);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
463 if (w == NULL)
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
464 goto exit;
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
465 PyErr_SetObject(exc, w);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
466 exit:
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
467 Py_XDECREF(t);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
468 Py_XDECREF(v);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
469 Py_XDECREF(w);
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
470 Py_XDECREF(line);
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
471 }
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
472
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
473 /* Interface to the block stack */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
474
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
475 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
476 block_push(struct compiling *c, int type)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
477 {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
478 if (c->c_nblocks >= CO_MAXBLOCKS) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
479 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
480 "too many statically nested blocks");
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
481 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
482 else {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
483 c->c_block[c->c_nblocks++] = type;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
484 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
485 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
486
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
487 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
488 block_pop(struct compiling *c, int type)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
489 {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
490 if (c->c_nblocks > 0)
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
491 c->c_nblocks--;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
492 if (c->c_block[c->c_nblocks] != type && c->c_errors == 0) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
493 com_error(c, PyExc_SystemError, "bad block pop");
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
494 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
495 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
496
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
497 /* Prototype forward declarations */
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
498
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
499 static int com_init(struct compiling *, char *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
500 static void com_free(struct compiling *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
501 static void com_push(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
502 static void com_pop(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
503 static void com_done(struct compiling *);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
504 static void com_node(struct compiling *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
505 static void com_factor(struct compiling *, node *);
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
506 static void com_addbyte(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
507 static void com_addint(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
508 static void com_addoparg(struct compiling *, int, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
509 static void com_addfwref(struct compiling *, int, int *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
510 static void com_backpatch(struct compiling *, int);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
511 static int com_add(struct compiling *, PyObject *, PyObject *, PyObject *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
512 static int com_addconst(struct compiling *, PyObject *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
513 static int com_addname(struct compiling *, PyObject *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
514 static void com_addopname(struct compiling *, int, node *);
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
515 static void com_list(struct compiling *, node *, int);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
516 static void com_list_iter(struct compiling *, node *, node *, char *);
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
517 static int com_argdefs(struct compiling *, node *);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
518 static void com_assign(struct compiling *, node *, int, node *);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
519 static void com_assign_name(struct compiling *, node *, int);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
520 static PyCodeObject *icompile(node *, struct compiling *);
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
521 static PyCodeObject *jcompile(node *, char *, struct compiling *,
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
522 PyCompilerFlags *);
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
523 static PyObject *parsestrplus(struct compiling*, node *);
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
524 static PyObject *parsestr(struct compiling *, char *);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
525 static node *get_rawdocstring(node *);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
526
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
527 static int get_ref_type(struct compiling *, char *);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
528
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
529 /* symtable operations */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
530 static int symtable_build(struct compiling *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
531 static int symtable_load_symbols(struct compiling *);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
532 static struct symtable *symtable_init(void);
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
533 static void symtable_enter_scope(struct symtable *, char *, int, int);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
534 static int symtable_exit_scope(struct symtable *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
535 static int symtable_add_def(struct symtable *, char *, int);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
536 static int symtable_add_def_o(struct symtable *, PyObject *, PyObject *, int);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
537
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
538 static void symtable_node(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
539 static void symtable_funcdef(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
540 static void symtable_default_args(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
541 static void symtable_params(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
542 static void symtable_params_fplist(struct symtable *, node *n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
543 static void symtable_global(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
544 static void symtable_import(struct symtable *, node *);
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
545 static void symtable_assign(struct symtable *, node *, int);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
546 static void symtable_list_comprehension(struct symtable *, node *);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
547
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
548 static int symtable_update_free_vars(struct symtable *);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
549 static int symtable_undo_free(struct symtable *, PyObject *, PyObject *);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
550 static int symtable_check_global(struct symtable *, PyObject *, PyObject *);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
551
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
552 /* helper */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
553 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
554 do_pad(int pad)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
555 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
556 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
557 for (i = 0; i < pad; ++i)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
558 fprintf(stderr, " ");
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
559 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
560
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
561 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
562 dump(node *n, int pad, int depth)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
563 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
564 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
565 if (depth == 0)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
566 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
567 do_pad(pad);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
568 fprintf(stderr, "%d: %s\n", TYPE(n), STR(n));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
569 if (depth > 0)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
570 depth--;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
571 for (i = 0; i < NCH(n); ++i)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
572 dump(CHILD(n, i), pad + 1, depth);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
573 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
574
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
575 #define DUMP(N) dump(N, 0, -1)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
576
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
577 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
578 com_init(struct compiling *c, char *filename)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
579 {
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
580 memset((void *)c, '\0', sizeof(struct compiling));
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
581 if ((c->c_code = PyString_FromStringAndSize((char *)NULL,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
582 1000)) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
583 goto fail;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
584 if ((c->c_consts = PyList_New(0)) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
585 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
586 if ((c->c_const_dict = PyDict_New()) == NULL)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
587 goto fail;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
588 if ((c->c_names = PyList_New(0)) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
589 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
590 if ((c->c_name_dict = PyDict_New()) == NULL)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
591 goto fail;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
592 if ((c->c_locals = PyDict_New()) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
593 goto fail;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
594 if ((c->c_lnotab = PyString_FromStringAndSize((char *)NULL,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
595 1000)) == NULL)
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
596 goto fail;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
597 c->c_globals = NULL;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
598 c->c_varnames = NULL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
599 c->c_freevars = NULL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
600 c->c_cellvars = NULL;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
601 c->c_nlocals = 0;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
602 c->c_argcount = 0;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
603 c->c_flags = 0;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
604 c->c_nexti = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
605 c->c_errors = 0;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
606 c->c_infunction = 0;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
607 c->c_interactive = 0;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
608 c->c_loops = 0;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
609 c->c_begin = 0;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
610 c->c_nblocks = 0;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
611 c->c_filename = filename;
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
612 c->c_name = "?";
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
613 c->c_lineno = 0;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
614 c->c_stacklevel = 0;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
615 c->c_maxstacklevel = 0;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
616 c->c_firstlineno = 0;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
617 c->c_last_addr = 0;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
618 c->c_last_line = 0;
16096
fb67122e5c1e com_init(): My entry into the smallest patch possible category.
Barry Warsaw <barry@python.org>
parents: 16060
diff changeset
619 c->c_lnotab_next = 0;
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
620 c->c_tmpname = 0;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
621 c->c_nested = 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
622 c->c_closure = 0;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
623 c->c_symtable = NULL;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
624 return 1;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
625
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
626 fail:
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
627 com_free(c);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
628 return 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
629 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
630
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
631 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
632 com_free(struct compiling *c)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
633 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
634 Py_XDECREF(c->c_code);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
635 Py_XDECREF(c->c_consts);
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
636 Py_XDECREF(c->c_const_dict);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
637 Py_XDECREF(c->c_names);
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
638 Py_XDECREF(c->c_name_dict);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
639 Py_XDECREF(c->c_globals);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
640 Py_XDECREF(c->c_locals);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
641 Py_XDECREF(c->c_varnames);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
642 Py_XDECREF(c->c_freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
643 Py_XDECREF(c->c_cellvars);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
644 Py_XDECREF(c->c_lnotab);
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
645 if (c->c_future)
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
646 PyMem_Free((void *)c->c_future);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
647 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
648
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
649 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
650 com_push(struct compiling *c, int n)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
651 {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
652 c->c_stacklevel += n;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
653 if (c->c_stacklevel > c->c_maxstacklevel)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
654 c->c_maxstacklevel = c->c_stacklevel;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
655 }
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
656
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
657 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
658 com_pop(struct compiling *c, int n)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
659 {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
660 if (c->c_stacklevel < n) {
9049
cbf72b2210ae Comment out the print statement about underflow. (This only seems to
Guido van Rossum <guido@python.org>
parents: 8328
diff changeset
661 /* fprintf(stderr,
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
662 "%s:%d: underflow! nexti=%d, level=%d, n=%d\n",
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
663 c->c_filename, c->c_lineno,
9049
cbf72b2210ae Comment out the print statement about underflow. (This only seems to
Guido van Rossum <guido@python.org>
parents: 8328
diff changeset
664 c->c_nexti, c->c_stacklevel, n); */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
665 c->c_stacklevel = 0;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
666 }
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
667 else
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
668 c->c_stacklevel -= n;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
669 }
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
670
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
671 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
672 com_done(struct compiling *c)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
673 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
674 if (c->c_code != NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
675 _PyString_Resize(&c->c_code, c->c_nexti);
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
676 if (c->c_lnotab != NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
677 _PyString_Resize(&c->c_lnotab, c->c_lnotab_next);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
678 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
679
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
680 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
681 com_addbyte(struct compiling *c, int byte)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
682 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
683 int len;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
684 /*fprintf(stderr, "%3d: %3d\n", c->c_nexti, byte);*/
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
685 assert(byte >= 0 && byte <= 255);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
686 if (byte < 0 || byte > 255) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
687 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
688 "com_addbyte: byte out of range");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
689 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
690 if (c->c_code == NULL)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
691 return;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
692 len = PyString_Size(c->c_code);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
693 if (c->c_nexti >= len) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
694 if (_PyString_Resize(&c->c_code, len+1000) != 0) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
695 c->c_errors++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
696 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
697 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
698 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
699 PyString_AsString(c->c_code)[c->c_nexti++] = byte;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
700 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
701
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
702 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
703 com_addint(struct compiling *c, int x)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
704 {
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
705 com_addbyte(c, x & 0xff);
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
706 com_addbyte(c, x >> 8); /* XXX x should be positive */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
707 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
708
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
709 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
710 com_add_lnotab(struct compiling *c, int addr, int line)
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
711 {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
712 int size;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
713 char *p;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
714 if (c->c_lnotab == NULL)
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
715 return;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
716 size = PyString_Size(c->c_lnotab);
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
717 if (c->c_lnotab_next+2 > size) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
718 if (_PyString_Resize(&c->c_lnotab, size + 1000) < 0) {
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
719 c->c_errors++;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
720 return;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
721 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
722 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
723 p = PyString_AsString(c->c_lnotab) + c->c_lnotab_next;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
724 *p++ = addr;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
725 *p++ = line;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
726 c->c_lnotab_next += 2;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
727 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
728
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
729 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
730 com_set_lineno(struct compiling *c, int lineno)
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
731 {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
732 c->c_lineno = lineno;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
733 if (c->c_firstlineno == 0) {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
734 c->c_firstlineno = c->c_last_line = lineno;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
735 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
736 else {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
737 int incr_addr = c->c_nexti - c->c_last_addr;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
738 int incr_line = lineno - c->c_last_line;
18065
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
739 while (incr_addr > 255) {
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
740 com_add_lnotab(c, 255, 0);
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
741 incr_addr -= 255;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
742 }
18065
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
743 while (incr_line > 255) {
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
744 com_add_lnotab(c, incr_addr, 255);
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
745 incr_line -=255;
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
746 incr_addr = 0;
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
747 }
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
748 if (incr_addr > 0 || incr_line > 0)
889db6d55506 SF bug 430991: wrong co_lnotab
Tim Peters <tim.peters@gmail.com>
parents: 17736
diff changeset
749 com_add_lnotab(c, incr_addr, incr_line);
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
750 c->c_last_addr = c->c_nexti;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
751 c->c_last_line = lineno;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
752 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
753 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
754
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
755 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
756 com_addoparg(struct compiling *c, int op, int arg)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
757 {
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
758 int extended_arg = arg >> 16;
5164
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
759 if (op == SET_LINENO) {
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
760 com_set_lineno(c, arg);
5164
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
761 if (Py_OptimizeFlag)
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
762 return;
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
763 }
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
764 if (extended_arg){
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
765 com_addbyte(c, EXTENDED_ARG);
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
766 com_addint(c, extended_arg);
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
767 arg &= 0xffff;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
768 }
5164
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
769 com_addbyte(c, op);
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is
Guido van Rossum <guido@python.org>
parents: 5119
diff changeset
770 com_addint(c, arg);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
771 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
772
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
773 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
774 com_addfwref(struct compiling *c, int op, int *p_anchor)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
775 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
776 /* Compile a forward reference for backpatching */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
777 int here;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
778 int anchor;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
779 com_addbyte(c, op);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
780 here = c->c_nexti;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
781 anchor = *p_anchor;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
782 *p_anchor = here;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
783 com_addint(c, anchor == 0 ? 0 : here - anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
784 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
785
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
786 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
787 com_backpatch(struct compiling *c, int anchor)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
788 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
789 unsigned char *code = (unsigned char *) PyString_AsString(c->c_code);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
790 int target = c->c_nexti;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
791 int dist;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
792 int prev;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
793 for (;;) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
794 /* Make the JUMP instruction at anchor point to target */
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
795 prev = code[anchor] + (code[anchor+1] << 8);
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
796 dist = target - (anchor+2);
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
797 code[anchor] = dist & 0xff;
14147
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
798 dist >>= 8;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
799 code[anchor+1] = dist;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
800 dist >>= 8;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
801 if (dist) {
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
802 com_error(c, PyExc_SystemError,
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
803 "com_backpatch: offset too large");
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
804 break;
21ec69a56228 Charles G. Waldman <cgw@fnal.gov>:
Fred Drake <fdrake@acm.org>
parents: 14117
diff changeset
805 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
806 if (!prev)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
807 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
808 anchor -= prev;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
809 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
810 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
811
544
d0baa8300005 Minor changes.
Guido van Rossum <guido@python.org>
parents: 493
diff changeset
812 /* Handle literals and names uniformly */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
813
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
814 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
815 com_add(struct compiling *c, PyObject *list, PyObject *dict, PyObject *v)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
816 {
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
817 PyObject *w, *t, *np=NULL;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
818 long n;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
819
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
820 t = Py_BuildValue("(OO)", v, v->ob_type);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
821 if (t == NULL)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
822 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
823 w = PyDict_GetItem(dict, t);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
824 if (w != NULL) {
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
825 n = PyInt_AsLong(w);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
826 } else {
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
827 n = PyList_Size(list);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
828 np = PyInt_FromLong(n);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
829 if (np == NULL)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
830 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
831 if (PyList_Append(list, v) != 0)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
832 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
833 if (PyDict_SetItem(dict, t, np) != 0)
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
834 goto fail;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
835 Py_DECREF(np);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
836 }
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
837 Py_DECREF(t);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
838 return n;
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
839 fail:
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
840 Py_XDECREF(np);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
841 Py_XDECREF(t);
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
842 c->c_errors++;
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
843 return 0;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
844 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
845
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
846 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
847 com_addconst(struct compiling *c, PyObject *v)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
848 {
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
849 return com_add(c, c->c_consts, c->c_const_dict, v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
850 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
851
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
852 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
853 com_addname(struct compiling *c, PyObject *v)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
854 {
12522
0c28c9cabbda Charles G Waldman:
Guido van Rossum <guido@python.org>
parents: 12388
diff changeset
855 return com_add(c, c->c_names, c->c_name_dict, v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
856 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
857
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
858 static int
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
859 mangle(char *p, char *name, char *buffer, size_t maxlen)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
860 {
4131
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
861 /* Name mangling: __private becomes _classname__private.
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
862 This is independent from how the name is used. */
13096
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
863 size_t nlen, plen;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
864 if (p == NULL || name == NULL || name[0] != '_' || name[1] != '_')
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
865 return 0;
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
866 nlen = strlen(name);
4131
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
867 if (nlen+2 >= maxlen)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
868 return 0; /* Don't mangle __extremely_long_names */
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
869 if (name[nlen-1] == '_' && name[nlen-2] == '_')
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
870 return 0; /* Don't mangle __whatever__ */
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
871 /* Strip leading underscores from class name */
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
872 while (*p == '_')
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
873 p++;
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
874 if (*p == '\0')
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
875 return 0; /* Don't mangle if class is just underscores */
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
876 plen = strlen(p);
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
877 if (plen + nlen >= maxlen)
4131
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
878 plen = maxlen-nlen-2; /* Truncate class name if too long */
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
879 /* buffer = "_" + p[:plen] + name # i.e. 1+plen+nlen bytes */
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
880 buffer[0] = '_';
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
881 strncpy(buffer+1, p, plen);
4131
6b589334e0e9 Afterthough: leave both leading underscores in,
Guido van Rossum <guido@python.org>
parents: 4130
diff changeset
882 strcpy(buffer+1+plen, name);
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
883 return 1;
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
884 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
885
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
886 static void
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
887 com_addop_name(struct compiling *c, int op, char *name)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
888 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
889 PyObject *v;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
890 int i;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
891 char buffer[MANGLE_LEN];
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
892
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
893 if (mangle(c->c_private, name, buffer, sizeof(buffer)))
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
894 name = buffer;
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
895 if (name == NULL || (v = PyString_InternFromString(name)) == NULL) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
896 c->c_errors++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
897 i = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
898 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
899 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
900 i = com_addname(c, v);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
901 Py_DECREF(v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
902 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
903 com_addoparg(c, op, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
904 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
905
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
906 #define NAME_LOCAL 0
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
907 #define NAME_GLOBAL 1
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
908 #define NAME_DEFAULT 2
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
909 #define NAME_CLOSURE 3
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
910
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
911 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
912 com_lookup_arg(PyObject *dict, PyObject *name)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
913 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
914 PyObject *v = PyDict_GetItem(dict, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
915 if (v == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
916 return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
917 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
918 return PyInt_AS_LONG(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
919 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
920
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
921 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
922 com_addop_varname(struct compiling *c, int kind, char *name)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
923 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
924 PyObject *v;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
925 int i, reftype;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
926 int scope = NAME_DEFAULT;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
927 int op = STOP_CODE;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
928 char buffer[MANGLE_LEN];
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
929
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
930 if (mangle(c->c_private, name, buffer, sizeof(buffer)))
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
931 name = buffer;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
932 if (name == NULL || (v = PyString_InternFromString(name)) == NULL) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
933 c->c_errors++;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
934 i = 255;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
935 goto done;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
936 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
937
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
938 reftype = get_ref_type(c, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
939 switch (reftype) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
940 case LOCAL:
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
941 if (c->c_symtable->st_cur->ste_type == TYPE_FUNCTION)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
942 scope = NAME_LOCAL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
943 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
944 case GLOBAL_EXPLICIT:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
945 scope = NAME_GLOBAL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
946 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
947 case GLOBAL_IMPLICIT:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
948 if (c->c_flags & CO_OPTIMIZED)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
949 scope = NAME_GLOBAL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
950 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
951 case FREE:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
952 case CELL:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
953 scope = NAME_CLOSURE;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
954 break;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
955 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
956
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
957 i = com_addname(c, v);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
958 if (scope == NAME_LOCAL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
959 i = com_lookup_arg(c->c_locals, v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
960 else if (reftype == FREE)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
961 i = com_lookup_arg(c->c_freevars, v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
962 else if (reftype == CELL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
963 i = com_lookup_arg(c->c_cellvars, v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
964 if (i == -1) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
965 c->c_errors++; /* XXX no exception set */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
966 i = 255;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
967 goto done;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
968 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
969 Py_DECREF(v);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
970
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
971 switch (kind) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
972 case VAR_LOAD:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
973 switch (scope) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
974 case NAME_LOCAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
975 op = LOAD_FAST;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
976 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
977 case NAME_GLOBAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
978 op = LOAD_GLOBAL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
979 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
980 case NAME_DEFAULT:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
981 op = LOAD_NAME;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
982 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
983 case NAME_CLOSURE:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
984 op = LOAD_DEREF;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
985 break;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
986 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
987 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
988 case VAR_STORE:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
989 switch (scope) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
990 case NAME_LOCAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
991 op = STORE_FAST;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
992 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
993 case NAME_GLOBAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
994 op = STORE_GLOBAL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
995 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
996 case NAME_DEFAULT:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
997 op = STORE_NAME;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
998 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
999 case NAME_CLOSURE:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1000 op = STORE_DEREF;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1001 break;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1002 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1003 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1004 case VAR_DELETE:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1005 switch (scope) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1006 case NAME_LOCAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1007 op = DELETE_FAST;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1008 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1009 case NAME_GLOBAL:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1010 op = DELETE_GLOBAL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1011 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1012 case NAME_DEFAULT:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1013 op = DELETE_NAME;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1014 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1015 case NAME_CLOSURE: {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
1016 char buf[500];
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1017 sprintf(buf, DEL_CLOSURE_ERROR, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1018 com_error(c, PyExc_SyntaxError, buf);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1019 i = 255;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1020 break;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
1021 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1022 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1023 break;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1024 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1025 done:
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1026 com_addoparg(c, op, i);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1027 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1028
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1029 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1030 com_addopname(struct compiling *c, int op, node *n)
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1031 {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1032 char *name;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1033 char buffer[1000];
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1034 /* XXX it is possible to write this code without the 1000
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1035 chars on the total length of dotted names, I just can't be
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1036 bothered right now */
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1037 if (TYPE(n) == STAR)
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1038 name = "*";
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1039 else if (TYPE(n) == dotted_name) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1040 char *p = buffer;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1041 int i;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1042 name = buffer;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1043 for (i = 0; i < NCH(n); i += 2) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1044 char *s = STR(CHILD(n, i));
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1045 if (p + strlen(s) > buffer + (sizeof buffer) - 2) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1046 com_error(c, PyExc_MemoryError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
1047 "dotted_name too long");
2367
915fabec64a3 fix typo (== for =) in assignment
Guido van Rossum <guido@python.org>
parents: 2310
diff changeset
1048 name = NULL;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1049 break;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1050 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1051 if (p != buffer)
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1052 *p++ = '.';
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1053 strcpy(p, s);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1054 p = strchr(p, '\0');
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1055 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1056 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1057 else {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1058 REQ(n, NAME);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1059 name = STR(n);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1060 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1061 com_addop_name(c, op, name);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1062 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1063
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1064 static PyObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1065 parsenumber(struct compiling *co, char *s)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1066 {
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1067 char *end;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1068 long x;
5119
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1069 double dx;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1070 #ifndef WITHOUT_COMPLEX
3766
516490c8192c Py_complex; and WITHOUT_COMPLEX added to getargs.c
Guido van Rossum <guido@python.org>
parents: 3366
diff changeset
1071 Py_complex c;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1072 int imflag;
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1073 #endif
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1074
176
229168a2fe28 Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents: 160
diff changeset
1075 errno = 0;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
1076 end = s + strlen(s) - 1;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1077 #ifndef WITHOUT_COMPLEX
3366
c25865884649 only use 'j' for imaginary constants
Guido van Rossum <guido@python.org>
parents: 3349
diff changeset
1078 imflag = *end == 'j' || *end == 'J';
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1079 #endif
744
834dd4a77ee2 fix what lint found
Guido van Rossum <guido@python.org>
parents: 703
diff changeset
1080 if (*end == 'l' || *end == 'L')
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1081 return PyLong_FromString(s, (char **)0, 0);
617
755bb8efcc2d Use strtoul() for oct/hex constants.
Guido van Rossum <guido@python.org>
parents: 584
diff changeset
1082 if (s[0] == '0')
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1083 x = (long) PyOS_strtoul(s, &end, 0);
617
755bb8efcc2d Use strtoul() for oct/hex constants.
Guido van Rossum <guido@python.org>
parents: 584
diff changeset
1084 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1085 x = PyOS_strtol(s, &end, 0);
176
229168a2fe28 Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents: 160
diff changeset
1086 if (*end == '\0') {
19502
62bf9401a1ac If an integer constant can't be generated from an integer literal
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19343
diff changeset
1087 if (errno != 0)
62bf9401a1ac If an integer constant can't be generated from an integer literal
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19343
diff changeset
1088 return PyLong_FromString(s, (char **)0, 0);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1089 return PyInt_FromLong(x);
176
229168a2fe28 Added error checking for numeric constants; added local/global variable
Guido van Rossum <guido@python.org>
parents: 160
diff changeset
1090 }
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1091 /* XXX Huge floats may silently fail */
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1092 #ifndef WITHOUT_COMPLEX
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1093 if (imflag) {
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1094 c.real = 0.;
5119
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1095 PyFPE_START_PROTECT("atof", return 0)
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1096 c.imag = atof(s);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5183
diff changeset
1097 PyFPE_END_PROTECT(c)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1098 return PyComplex_FromCComplex(c);
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1099 }
6453
c9b139b9c5ff Fixed for WITHOUT_COMPLEX compilation (Jack)
Guido van Rossum <guido@python.org>
parents: 6186
diff changeset
1100 else
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1101 #endif
6453
c9b139b9c5ff Fixed for WITHOUT_COMPLEX compilation (Jack)
Guido van Rossum <guido@python.org>
parents: 6186
diff changeset
1102 {
5119
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1103 PyFPE_START_PROTECT("atof", return 0)
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1104 dx = atof(s);
5197
74c12704a0bd New form of PyFPE_END_PROTECT macro.
Guido van Rossum <guido@python.org>
parents: 5183
diff changeset
1105 PyFPE_END_PROTECT(dx)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1106 return PyFloat_FromDouble(dx);
5119
bda01a374762 Changes for Lee Busby's SIGFPE patch set.
Guido van Rossum <guido@python.org>
parents: 5041
diff changeset
1107 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1108 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1109
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1110 static PyObject *
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1111 parsestr(struct compiling *com, char *s)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1112 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1113 PyObject *v;
13096
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1114 size_t len;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1115 char *buf;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1116 char *p;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1117 char *end;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1118 int c;
5264
38878f1cd4f1 Support for alternative string quotes (a"xx", b"xx", c"xx", ...).
Guido van Rossum <guido@python.org>
parents: 5233
diff changeset
1119 int first = *s;
38878f1cd4f1 Support for alternative string quotes (a"xx", b"xx", c"xx", ...).
Guido van Rossum <guido@python.org>
parents: 5233
diff changeset
1120 int quote = first;
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1121 int rawmode = 0;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1122 #ifdef Py_USING_UNICODE
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1123 int unicode = 0;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1124 #endif
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1125 if (isalpha(quote) || quote == '_') {
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1126 if (quote == 'u' || quote == 'U') {
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1127 #ifdef Py_USING_UNICODE
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1128 quote = *++s;
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1129 unicode = 1;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1130 #else
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1131 com_error(com, PyExc_SyntaxError,
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1132 "Unicode literals not supported in this Python");
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1133 return NULL;
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1134 #endif
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1135 }
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1136 if (quote == 'r' || quote == 'R') {
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1137 quote = *++s;
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1138 rawmode = 1;
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1139 }
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1140 }
1364
132602d854d8 Changes to accept double-quoted strings on input.
Guido van Rossum <guido@python.org>
parents: 1354
diff changeset
1141 if (quote != '\'' && quote != '\"') {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1142 PyErr_BadInternalCall();
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1143 return NULL;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1144 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1145 s++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1146 len = strlen(s);
13096
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1147 if (len > INT_MAX) {
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1148 PyErr_SetString(PyExc_OverflowError, "string to parse is too long");
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1149 return NULL;
8c8de5b736dc Trent Mick's Win64 changes: size_t vs. int or long; also some overflow
Guido van Rossum <guido@python.org>
parents: 12576
diff changeset
1150 }
1364
132602d854d8 Changes to accept double-quoted strings on input.
Guido van Rossum <guido@python.org>
parents: 1354
diff changeset
1151 if (s[--len] != quote) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1152 PyErr_BadInternalCall();
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1153 return NULL;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1154 }
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1155 if (len >= 4 && s[0] == quote && s[1] == quote) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1156 s += 2;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1157 len -= 2;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1158 if (s[--len] != quote || s[--len] != quote) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1159 PyErr_BadInternalCall();
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1160 return NULL;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1161 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1162 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1163 #ifdef Py_USING_UNICODE
12538
859e500f0760 Marc-Andre Lemburg:
Guido van Rossum <guido@python.org>
parents: 12522
diff changeset
1164 if (unicode || Py_UnicodeFlag) {
11974
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1165 if (rawmode)
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1166 return PyUnicode_DecodeRawUnicodeEscape(
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1167 s, len, NULL);
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1168 else
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1169 return PyUnicode_DecodeUnicodeEscape(
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1170 s, len, NULL);
28003afa1a2f Marc-Andre Lemburg: support for Unicode string literals (u"...", ur"...").
Guido van Rossum <guido@python.org>
parents: 11598
diff changeset
1171 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1172 #endif
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1173 if (rawmode || strchr(s, '\\') == NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1174 return PyString_FromStringAndSize(s, len);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1175 v = PyString_FromStringAndSize((char *)NULL, len);
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1176 if (v == NULL)
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1177 return NULL;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1178 p = buf = PyString_AsString(v);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1179 end = s + len;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1180 while (s < end) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1181 if (*s != '\\') {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1182 *p++ = *s++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1183 continue;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1184 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1185 s++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1186 switch (*s++) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1187 /* XXX This assumes ASCII! */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1188 case '\n': break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1189 case '\\': *p++ = '\\'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1190 case '\'': *p++ = '\''; break;
1364
132602d854d8 Changes to accept double-quoted strings on input.
Guido van Rossum <guido@python.org>
parents: 1354
diff changeset
1191 case '\"': *p++ = '\"'; break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1192 case 'b': *p++ = '\b'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1193 case 'f': *p++ = '\014'; break; /* FF */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1194 case 't': *p++ = '\t'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1195 case 'n': *p++ = '\n'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1196 case 'r': *p++ = '\r'; break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1197 case 'v': *p++ = '\013'; break; /* VT */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1198 case 'a': *p++ = '\007'; break; /* BEL, not classic C */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1199 case '0': case '1': case '2': case '3':
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1200 case '4': case '5': case '6': case '7':
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1201 c = s[-1] - '0';
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1202 if ('0' <= *s && *s <= '7') {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1203 c = (c<<3) + *s++ - '0';
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1204 if ('0' <= *s && *s <= '7')
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1205 c = (c<<3) + *s++ - '0';
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1206 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1207 *p++ = c;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1208 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1209 case 'x':
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
1210 if (isxdigit(Py_CHARMASK(s[0]))
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
1211 && isxdigit(Py_CHARMASK(s[1]))) {
6501
9ef9cadd978c Don't use sscanf(s, "%x", &c) to parse \xX... escapes; hardcode it.
Guido van Rossum <guido@python.org>
parents: 6453
diff changeset
1212 unsigned int x = 0;
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1213 c = Py_CHARMASK(*s);
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1214 s++;
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1215 if (isdigit(c))
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1216 x = c - '0';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1217 else if (islower(c))
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1218 x = 10 + c - 'a';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1219 else
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1220 x = 10 + c - 'A';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1221 x = x << 4;
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1222 c = Py_CHARMASK(*s);
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1223 s++;
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1224 if (isdigit(c))
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1225 x += c - '0';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1226 else if (islower(c))
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1227 x += 10 + c - 'a';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1228 else
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1229 x += 10 + c - 'A';
6501
9ef9cadd978c Don't use sscanf(s, "%x", &c) to parse \xX... escapes; hardcode it.
Guido van Rossum <guido@python.org>
parents: 6453
diff changeset
1230 *p++ = x;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1231 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1232 }
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
1233 PyErr_SetString(PyExc_ValueError,
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
1234 "invalid \\x escape");
14382
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1235 Py_DECREF(v);
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1236 return NULL;
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1237 default:
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1238 *p++ = '\\';
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1239 *p++ = s[-1];
2d6cf68aa64a changed \x to consume exactly two hex digits. implements PEP-223
Fredrik Lundh <fredrik@pythonware.com>
parents: 14375
diff changeset
1240 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1241 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1242 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1243 _PyString_Resize(&v, (int)(p - buf));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1244 return v;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1245 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1246
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1247 static PyObject *
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1248 parsestrplus(struct compiling* c, node *n)
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1249 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1250 PyObject *v;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1251 int i;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1252 REQ(CHILD(n, 0), STRING);
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1253 if ((v = parsestr(c, STR(CHILD(n, 0)))) != NULL) {
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1254 /* String literal concatenation */
12388
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1255 for (i = 1; i < NCH(n); i++) {
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1256 PyObject *s;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1257 s = parsestr(c, STR(CHILD(n, i)));
12388
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1258 if (s == NULL)
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1259 goto onError;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1260 if (PyString_Check(v) && PyString_Check(s)) {
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1261 PyString_ConcatAndDel(&v, s);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1262 if (v == NULL)
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1263 goto onError;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1264 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1265 #ifdef Py_USING_UNICODE
12388
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1266 else {
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1267 PyObject *temp;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1268 temp = PyUnicode_Concat(v, s);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1269 Py_DECREF(s);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1270 if (temp == NULL)
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1271 goto onError;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1272 Py_DECREF(v);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1273 v = temp;
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1274 }
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1275 #endif
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1276 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1277 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1278 return v;
12388
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1279
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1280 onError:
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1281 Py_XDECREF(v);
c48172af13dc M.-A. Lemburg <mal@lemburg.com>:
Fred Drake <fdrake@acm.org>
parents: 12333
diff changeset
1282 return NULL;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1283 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
1284
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1285 static void
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1286 com_list_for(struct compiling *c, node *n, node *e, char *t)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1287 {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1288 int anchor = 0;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1289 int save_begin = c->c_begin;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1290
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1291 /* list_iter: for v in expr [list_iter] */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1292 com_node(c, CHILD(n, 3)); /* expr */
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
1293 com_addbyte(c, GET_ITER);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1294 c->c_begin = c->c_nexti;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1295 com_addoparg(c, SET_LINENO, n->n_lineno);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
1296 com_addfwref(c, FOR_ITER, &anchor);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1297 com_push(c, 1);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1298 com_assign(c, CHILD(n, 1), OP_ASSIGN, NULL);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1299 c->c_loops++;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1300 com_list_iter(c, n, e, t);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1301 c->c_loops--;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1302 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1303 c->c_begin = save_begin;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1304 com_backpatch(c, anchor);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
1305 com_pop(c, 1); /* FOR_ITER has popped this */
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1306 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1307
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1308 static void
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1309 com_list_if(struct compiling *c, node *n, node *e, char *t)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1310 {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1311 int anchor = 0;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1312 int a = 0;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1313 /* list_iter: 'if' test [list_iter] */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1314 com_addoparg(c, SET_LINENO, n->n_lineno);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1315 com_node(c, CHILD(n, 1));
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1316 com_addfwref(c, JUMP_IF_FALSE, &a);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1317 com_addbyte(c, POP_TOP);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1318 com_pop(c, 1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1319 com_list_iter(c, n, e, t);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1320 com_addfwref(c, JUMP_FORWARD, &anchor);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1321 com_backpatch(c, a);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1322 /* We jump here with an extra entry which we now pop */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1323 com_addbyte(c, POP_TOP);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1324 com_backpatch(c, anchor);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1325 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1326
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1327 static void
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1328 com_list_iter(struct compiling *c,
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1329 node *p, /* parent of list_iter node */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1330 node *e, /* element expression node */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1331 char *t /* name of result list temp local */)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1332 {
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1333 /* list_iter is the last child in a listmaker, list_for, or list_if */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1334 node *n = CHILD(p, NCH(p)-1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1335 if (TYPE(n) == list_iter) {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1336 n = CHILD(n, 0);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1337 switch (TYPE(n)) {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1338 case list_for:
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1339 com_list_for(c, n, e, t);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1340 break;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1341 case list_if:
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1342 com_list_if(c, n, e, t);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1343 break;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1344 default:
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1345 com_error(c, PyExc_SystemError,
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1346 "invalid list_iter node type");
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1347 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1348 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1349 else {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1350 com_addop_varname(c, VAR_LOAD, t);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1351 com_push(c, 1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1352 com_node(c, e);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1353 com_addoparg(c, CALL_FUNCTION, 1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1354 com_addbyte(c, POP_TOP);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1355 com_pop(c, 2);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1356 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1357 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1358
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1359 static void
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1360 com_list_comprehension(struct compiling *c, node *n)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1361 {
14117
ac8809959d01 require list comprehensions to start with a for clause
Skip Montanaro <skip@pobox.com>
parents: 14105
diff changeset
1362 /* listmaker: test list_for */
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1363 char tmpname[12];
16638
79568c0d3e77 Change temp names created by listcomps from [%d] to _[%d], so the one-liner
Tim Peters <tim.peters@gmail.com>
parents: 16571
diff changeset
1364 sprintf(tmpname, "_[%d]", ++c->c_tmpname);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1365 com_addoparg(c, BUILD_LIST, 0);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1366 com_addbyte(c, DUP_TOP); /* leave the result on the stack */
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1367 com_push(c, 2);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1368 com_addop_name(c, LOAD_ATTR, "append");
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1369 com_addop_varname(c, VAR_STORE, tmpname);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1370 com_pop(c, 1);
14117
ac8809959d01 require list comprehensions to start with a for clause
Skip Montanaro <skip@pobox.com>
parents: 14105
diff changeset
1371 com_list_for(c, CHILD(n, 1), CHILD(n, 0), tmpname);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1372 com_addop_varname(c, VAR_DELETE, tmpname);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1373 --c->c_tmpname;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1374 }
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1375
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1376 static void
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1377 com_listmaker(struct compiling *c, node *n)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1378 {
14117
ac8809959d01 require list comprehensions to start with a for clause
Skip Montanaro <skip@pobox.com>
parents: 14105
diff changeset
1379 /* listmaker: test ( list_for | (',' test)* [','] ) */
ac8809959d01 require list comprehensions to start with a for clause
Skip Montanaro <skip@pobox.com>
parents: 14105
diff changeset
1380 if (NCH(n) > 1 && TYPE(CHILD(n, 1)) == list_for)
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1381 com_list_comprehension(c, n);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1382 else {
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1383 int len = 0;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1384 int i;
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1385 for (i = 0; i < NCH(n); i += 2, len++)
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1386 com_node(c, CHILD(n, i));
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1387 com_addoparg(c, BUILD_LIST, len);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1388 com_pop(c, len-1);
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1389 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1390 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1391
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1392 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1393 com_dictmaker(struct compiling *c, node *n)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1394 {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1395 int i;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1396 /* dictmaker: test ':' test (',' test ':' value)* [','] */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1397 for (i = 0; i+2 < NCH(n); i += 4) {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1398 /* We must arrange things just right for STORE_SUBSCR.
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1399 It wants the stack to look like (value) (dict) (key) */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1400 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1401 com_push(c, 1);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1402 com_node(c, CHILD(n, i+2)); /* value */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1403 com_addbyte(c, ROT_TWO);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1404 com_node(c, CHILD(n, i)); /* key */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1405 com_addbyte(c, STORE_SUBSCR);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1406 com_pop(c, 3);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1407 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1408 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1409
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1410 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1411 com_atom(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1412 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1413 node *ch;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1414 PyObject *v;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1415 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1416 REQ(n, atom);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1417 ch = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1418 switch (TYPE(ch)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1419 case LPAR:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1420 if (TYPE(CHILD(n, 1)) == RPAR) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1421 com_addoparg(c, BUILD_TUPLE, 0);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1422 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1423 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1424 else
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1425 com_node(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1426 break;
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1427 case LSQB: /* '[' [listmaker] ']' */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1428 if (TYPE(CHILD(n, 1)) == RSQB) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1429 com_addoparg(c, BUILD_LIST, 0);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1430 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1431 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1432 else
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1433 com_listmaker(c, CHILD(n, 1));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1434 break;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1435 case LBRACE: /* '{' [dictmaker] '}' */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1436 com_addoparg(c, BUILD_MAP, 0);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1437 com_push(c, 1);
13936
25fd9846bd54 list comprehensions. see
Skip Montanaro <skip@pobox.com>
parents: 13930
diff changeset
1438 if (TYPE(CHILD(n, 1)) == dictmaker)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
1439 com_dictmaker(c, CHILD(n, 1));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1440 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1441 case BACKQUOTE:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1442 com_node(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1443 com_addbyte(c, UNARY_CONVERT);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1444 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1445 case NUMBER:
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
1446 if ((v = parsenumber(c, STR(ch))) == NULL) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1447 i = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1448 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1449 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1450 i = com_addconst(c, v);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1451 Py_DECREF(v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1452 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1453 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1454 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1455 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1456 case STRING:
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
1457 v = parsestrplus(c, n);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
1458 if (v == NULL) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1459 c->c_errors++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1460 i = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1461 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1462 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1463 i = com_addconst(c, v);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1464 Py_DECREF(v);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1465 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1466 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1467 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1468 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1469 case NAME:
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
1470 com_addop_varname(c, VAR_LOAD, STR(ch));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1471 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1472 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1473 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1474 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1475 "com_atom: unexpected node type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1476 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1477 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1478
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1479 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1480 com_slice(struct compiling *c, node *n, int op)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1481 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1482 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1483 com_addbyte(c, op);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1484 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1485 else if (NCH(n) == 2) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1486 if (TYPE(CHILD(n, 0)) != COLON) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1487 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1488 com_addbyte(c, op+1);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1489 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1490 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1491 com_node(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1492 com_addbyte(c, op+2);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1493 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1494 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1495 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1496 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1497 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1498 com_node(c, CHILD(n, 2));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1499 com_addbyte(c, op+3);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1500 com_pop(c, 2);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1501 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1502 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1503
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1504 static void
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1505 com_augassign_slice(struct compiling *c, node *n, int opcode, node *augn)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1506 {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1507 if (NCH(n) == 1) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1508 com_addbyte(c, DUP_TOP);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1509 com_push(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1510 com_addbyte(c, SLICE);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1511 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1512 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1513 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1514 com_addbyte(c, ROT_TWO);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1515 com_addbyte(c, STORE_SLICE);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1516 com_pop(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1517 } else if (NCH(n) == 2 && TYPE(CHILD(n, 0)) != COLON) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1518 com_node(c, CHILD(n, 0));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1519 com_addoparg(c, DUP_TOPX, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1520 com_push(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1521 com_addbyte(c, SLICE+1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1522 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1523 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1524 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1525 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1526 com_addbyte(c, ROT_THREE);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1527 com_addbyte(c, STORE_SLICE+1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1528 com_pop(c, 3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1529 } else if (NCH(n) == 2) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1530 com_node(c, CHILD(n, 1));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1531 com_addoparg(c, DUP_TOPX, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1532 com_push(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1533 com_addbyte(c, SLICE+2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1534 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1535 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1536 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1537 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1538 com_addbyte(c, ROT_THREE);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1539 com_addbyte(c, STORE_SLICE+2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1540 com_pop(c, 3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1541 } else {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1542 com_node(c, CHILD(n, 0));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1543 com_node(c, CHILD(n, 2));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1544 com_addoparg(c, DUP_TOPX, 3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1545 com_push(c, 3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1546 com_addbyte(c, SLICE+3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1547 com_pop(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1548 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1549 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1550 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1551 com_addbyte(c, ROT_FOUR);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1552 com_addbyte(c, STORE_SLICE+3);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1553 com_pop(c, 4);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1554 }
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1555 }
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1556
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1557 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1558 com_argument(struct compiling *c, node *n, PyObject **pkeywords)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1559 {
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1560 node *m;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1561 REQ(n, argument); /* [test '='] test; really [keyword '='] test */
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1562 if (NCH(n) == 1) {
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1563 if (*pkeywords != NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1564 com_error(c, PyExc_SyntaxError,
13993
716e1c4e3f78 When raising a SyntaxError, make a best-effort attempt to set the
Fred Drake <fdrake@acm.org>
parents: 13956
diff changeset
1565 "non-keyword arg after keyword arg");
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1566 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1567 else {
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1568 com_node(c, CHILD(n, 0));
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1569 }
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1570 return;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1571 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1572 m = n;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1573 do {
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1574 m = CHILD(m, 0);
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1575 } while (NCH(m) == 1);
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1576 if (TYPE(m) != NAME) {
16658
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1577 /* f(lambda x: x[0] = 3) ends up getting parsed with
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1578 * LHS test = lambda x: x[0], and RHS test = 3.
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1579 * SF bug 132313 points out that complaining about a keyword
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1580 * then is very confusing.
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1581 */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1582 com_error(c, PyExc_SyntaxError,
16658
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1583 TYPE(m) == lambdef ?
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1584 "lambda cannot contain assignment" :
1a5a441772ff Bug #132313 error message confusing for assignment in lambda.
Tim Peters <tim.peters@gmail.com>
parents: 16638
diff changeset
1585 "keyword can't be an expression");
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1586 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1587 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1588 PyObject *v = PyString_InternFromString(STR(m));
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1589 if (v != NULL && *pkeywords == NULL)
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1590 *pkeywords = PyDict_New();
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1591 if (v == NULL)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1592 c->c_errors++;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1593 else if (*pkeywords == NULL) {
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1594 c->c_errors++;
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1595 Py_DECREF(v);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
1596 } else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1597 if (PyDict_GetItem(*pkeywords, v) != NULL)
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1598 com_error(c, PyExc_SyntaxError,
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1599 "duplicate keyword argument");
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1600 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1601 if (PyDict_SetItem(*pkeywords, v, v) != 0)
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1602 c->c_errors++;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1603 com_addoparg(c, LOAD_CONST, com_addconst(c, v));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1604 com_push(c, 1);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1605 Py_DECREF(v);
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1606 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1607 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1608 com_node(c, CHILD(n, 2));
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1609 }
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1610
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1611 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1612 com_call_function(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1613 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1614 if (TYPE(n) == RPAR) {
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1615 com_addoparg(c, CALL_FUNCTION, 0);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1616 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1617 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1618 PyObject *keywords = NULL;
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1619 int i, na, nk;
9625
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1620 int lineno = n->n_lineno;
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1621 int star_flag = 0;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1622 int starstar_flag = 0;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1623 int opcode;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1624 REQ(n, arglist);
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1625 na = 0;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1626 nk = 0;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1627 for (i = 0; i < NCH(n); i += 2) {
9625
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1628 node *ch = CHILD(n, i);
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1629 if (TYPE(ch) == STAR ||
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1630 TYPE(ch) == DOUBLESTAR)
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1631 break;
9625
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1632 if (ch->n_lineno != lineno) {
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1633 lineno = ch->n_lineno;
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1634 com_addoparg(c, SET_LINENO, lineno);
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1635 }
1fe48009d8ea Add more SET_LINENO instructions in long argument lists
Guido van Rossum <guido@python.org>
parents: 9293
diff changeset
1636 com_argument(c, ch, &keywords);
4905
32220c5728f5 Check for duplicate keyword arguments at compile time.
Guido van Rossum <guido@python.org>
parents: 4596
diff changeset
1637 if (keywords == NULL)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1638 na++;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1639 else
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1640 nk++;
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1641 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1642 Py_XDECREF(keywords);
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1643 while (i < NCH(n)) {
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1644 node *tok = CHILD(n, i);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1645 node *ch = CHILD(n, i+1);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1646 i += 3;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1647 switch (TYPE(tok)) {
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1648 case STAR: star_flag = 1; break;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1649 case DOUBLESTAR: starstar_flag = 1; break;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1650 }
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1651 com_node(c, ch);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1652 }
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1653 if (na > 255 || nk > 255) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1654 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1655 "more than 255 arguments");
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
1656 }
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1657 if (star_flag || starstar_flag)
12086
96ea1a800b23 remove reference (vestigal) to CALL_FUNCTION_STAR
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 12082
diff changeset
1658 opcode = CALL_FUNCTION_VAR - 1 +
12082
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1659 star_flag + (starstar_flag << 1);
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1660 else
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1661 opcode = CALL_FUNCTION;
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1662 com_addoparg(c, opcode, na | (nk << 8));
603db0d0aed1 slightly modified version of Greg Ewing's extended call syntax patch
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 11974
diff changeset
1663 com_pop(c, na + 2*nk + star_flag + starstar_flag);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1664 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1665 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1666
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1667 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1668 com_select_member(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1669 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1670 com_addopname(c, LOAD_ATTR, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1671 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1672
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1673 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1674 com_sliceobj(struct compiling *c, node *n)
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1675 {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1676 int i=0;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1677 int ns=2; /* number of slice arguments */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1678 node *ch;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1679
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1680 /* first argument */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1681 if (TYPE(CHILD(n,i)) == COLON) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1682 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1683 com_push(c, 1);
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1684 i++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1685 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1686 else {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1687 com_node(c, CHILD(n,i));
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1688 i++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1689 REQ(CHILD(n,i),COLON);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1690 i++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1691 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1692 /* second argument */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1693 if (i < NCH(n) && TYPE(CHILD(n,i)) == test) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1694 com_node(c, CHILD(n,i));
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1695 i++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1696 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1697 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1698 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1699 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1700 }
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1701 /* remaining arguments */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1702 for (; i < NCH(n); i++) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1703 ns++;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1704 ch=CHILD(n,i);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1705 REQ(ch, sliceop);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1706 if (NCH(ch) == 1) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1707 /* right argument of ':' missing */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1708 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1709 com_push(c, 1);
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1710 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1711 else
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1712 com_node(c, CHILD(ch,1));
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1713 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1714 com_addoparg(c, BUILD_SLICE, ns);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1715 com_pop(c, 1 + (ns == 3));
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1716 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1717
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1718 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1719 com_subscript(struct compiling *c, node *n)
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1720 {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1721 node *ch;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1722 REQ(n, subscript);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1723 ch = CHILD(n,0);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1724 /* check for rubber index */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1725 if (TYPE(ch) == DOT && TYPE(CHILD(n,1)) == DOT) {
4403
3b3f7c3f6da2 Ellipses -> Ellipsis rename (the dictionary really says that it should
Guido van Rossum <guido@python.org>
parents: 4315
diff changeset
1726 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_Ellipsis));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1727 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1728 }
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1729 else {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1730 /* check for slice */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1731 if ((TYPE(ch) == COLON || NCH(n) > 1))
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1732 com_sliceobj(c, n);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1733 else {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1734 REQ(ch, test);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1735 com_node(c, ch);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1736 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1737 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1738 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1739
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1740 static void
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1741 com_subscriptlist(struct compiling *c, node *n, int assigning, node *augn)
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1742 {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1743 int i, op;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1744 REQ(n, subscriptlist);
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1745 /* Check to make backward compatible slice behavior for '[i:j]' */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1746 if (NCH(n) == 1) {
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1747 node *sub = CHILD(n, 0); /* subscript */
13873
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1748 /* 'Basic' slice, should have exactly one colon. */
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1749 if ((TYPE(CHILD(sub, 0)) == COLON
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1750 || (NCH(sub) > 1 && TYPE(CHILD(sub, 1)) == COLON))
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1751 && (TYPE(CHILD(sub,NCH(sub)-1)) != sliceop))
d014c8ab6a82 Fix some strange indentation and grammar that have been bugging me for
Thomas Wouters <thomas@python.org>
parents: 13658
diff changeset
1752 {
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1753 switch (assigning) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1754 case OP_DELETE:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1755 op = DELETE_SLICE;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1756 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1757 case OP_ASSIGN:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1758 op = STORE_SLICE;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1759 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1760 case OP_APPLY:
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1761 op = SLICE;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1762 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1763 default:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1764 com_augassign_slice(c, sub, assigning, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1765 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1766 }
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1767 com_slice(c, sub, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1768 if (op == STORE_SLICE)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1769 com_pop(c, 2);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1770 else if (op == DELETE_SLICE)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1771 com_pop(c, 1);
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1772 return;
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1773 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1774 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1775 /* Else normal subscriptlist. Compile each subscript. */
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1776 for (i = 0; i < NCH(n); i += 2)
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1777 com_subscript(c, CHILD(n, i));
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1778 /* Put multiple subscripts into a tuple */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1779 if (NCH(n) > 1) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1780 i = (NCH(n)+1) / 2;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1781 com_addoparg(c, BUILD_TUPLE, i);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1782 com_pop(c, i-1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1783 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1784 switch (assigning) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1785 case OP_DELETE:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1786 op = DELETE_SUBSCR;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1787 i = 2;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1788 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1789 default:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1790 case OP_ASSIGN:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1791 op = STORE_SUBSCR;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1792 i = 3;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1793 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1794 case OP_APPLY:
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1795 op = BINARY_SUBSCR;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1796 i = 1;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1797 break;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1798 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1799 if (assigning > OP_APPLY) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1800 com_addoparg(c, DUP_TOPX, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1801 com_push(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1802 com_addbyte(c, BINARY_SUBSCR);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1803 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1804 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1805 com_addbyte(c, assigning);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1806 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1807 com_addbyte(c, ROT_THREE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1808 }
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1809 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1810 com_pop(c, i);
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1811 }
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1812
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
1813 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1814 com_apply_trailer(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1815 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1816 REQ(n, trailer);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1817 switch (TYPE(CHILD(n, 0))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1818 case LPAR:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1819 com_call_function(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1820 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1821 case DOT:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1822 com_select_member(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1823 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1824 case LSQB:
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
1825 com_subscriptlist(c, CHILD(n, 1), OP_APPLY, NULL);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1826 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1827 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1828 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
1829 "com_apply_trailer: unknown trailer type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1830 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1831 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1832
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1833 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1834 com_power(struct compiling *c, node *n)
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1835 {
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1836 int i;
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1837 REQ(n, power);
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1838 com_atom(c, CHILD(n, 0));
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1839 for (i = 1; i < NCH(n); i++) {
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1840 if (TYPE(CHILD(n, i)) == DOUBLESTAR) {
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1841 com_factor(c, CHILD(n, i+1));
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1842 com_addbyte(c, BINARY_POWER);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1843 com_pop(c, 1);
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1844 break;
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1845 }
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1846 else
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1847 com_apply_trailer(c, CHILD(n, i));
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1848 }
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1849 }
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1850
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1851 static void
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1852 com_invert_constant(struct compiling *c, node *n)
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1853 {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1854 /* Compute the inverse of int and longs and use them directly,
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1855 but be prepared to generate code for all other
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1856 possibilities (invalid numbers, floats, complex).
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1857 */
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1858 PyObject *num, *inv = NULL;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1859 int i;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1860
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1861 REQ(n, NUMBER);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1862 num = parsenumber(c, STR(n));
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1863 if (num == NULL)
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1864 i = 255;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1865 else {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1866 inv = PyNumber_Invert(num);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1867 if (inv == NULL) {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1868 PyErr_Clear();
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1869 i = com_addconst(c, num);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1870 } else {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1871 i = com_addconst(c, inv);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1872 Py_DECREF(inv);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1873 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1874 Py_DECREF(num);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1875 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1876 com_addoparg(c, LOAD_CONST, i);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1877 com_push(c, 1);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1878 if (num != NULL && inv == NULL)
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1879 com_addbyte(c, UNARY_INVERT);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1880 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1881
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1882 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1883 com_factor(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1884 {
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1885 int childtype = TYPE(CHILD(n, 0));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1886 REQ(n, factor);
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1887 /* If the unary +, -, or ~ operator is applied to a constant,
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1888 don't generate a UNARY_xxx opcode. Just store the
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1889 approriate value as a constant. If the value is negative,
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1890 extend the string containing the constant and insert a
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1891 negative in the 0th position.
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1892 */
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1893 if ((childtype == PLUS || childtype == MINUS || childtype == TILDE)
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1894 && TYPE(CHILD(n, 1)) == factor
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1895 && TYPE(CHILD(CHILD(n, 1), 0)) == power
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1896 && TYPE(CHILD(CHILD(CHILD(n, 1), 0), 0)) == atom
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1897 && TYPE(CHILD(CHILD(CHILD(CHILD(n, 1), 0), 0), 0)) == NUMBER) {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1898 node *constant = CHILD(CHILD(CHILD(n, 1), 0), 0);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1899 if (childtype == TILDE) {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1900 com_invert_constant(c, CHILD(constant, 0));
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1901 return;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1902 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1903 if (childtype == MINUS) {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1904 node *numnode = CHILD(constant, 0);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1905 char *s = malloc(strlen(STR(numnode)) + 2);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1906 if (s == NULL) {
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1907 com_error(c, PyExc_MemoryError, "");
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1908 com_addbyte(c, 255);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1909 return;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1910 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1911 s[0] = '-';
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1912 strcpy(s + 1, STR(numnode));
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1913 free(STR(numnode));
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1914 STR(numnode) = s;
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1915 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1916 com_atom(c, constant);
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1917 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1918 else if (childtype == PLUS) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1919 com_factor(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1920 com_addbyte(c, UNARY_POSITIVE);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1921 }
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1922 else if (childtype == MINUS) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1923 com_factor(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1924 com_addbyte(c, UNARY_NEGATIVE);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1925 }
19187
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19177
diff changeset
1926 else if (childtype == TILDE) {
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1927 com_factor(c, CHILD(n, 1));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1928 com_addbyte(c, UNARY_INVERT);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1929 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1930 else {
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
1931 com_power(c, CHILD(n, 0));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1932 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1933 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1934
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1935 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1936 com_term(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1937 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1938 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1939 int op;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1940 REQ(n, term);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1941 com_factor(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1942 for (i = 2; i < NCH(n); i += 2) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1943 com_factor(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1944 switch (TYPE(CHILD(n, i-1))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1945 case STAR:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1946 op = BINARY_MULTIPLY;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1947 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1948 case SLASH:
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
1949 if (c->c_flags & CO_FUTURE_DIVISION)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
1950 op = BINARY_TRUE_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
1951 else
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
1952 op = BINARY_DIVIDE;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1953 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1954 case PERCENT:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1955 op = BINARY_MODULO;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1956 break;
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
1957 case DOUBLESLASH:
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
1958 op = BINARY_FLOOR_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
1959 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
1960 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1961 com_error(c, PyExc_SystemError,
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
1962 "com_term: operator not *, /, // or %");
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1963 op = 255;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1964 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1965 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1966 com_pop(c, 1);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1967 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1968 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1969
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1970 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1971 com_arith_expr(struct compiling *c, node *n)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1972 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1973 int i;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1974 int op;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1975 REQ(n, arith_expr);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1976 com_term(c, CHILD(n, 0));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1977 for (i = 2; i < NCH(n); i += 2) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1978 com_term(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1979 switch (TYPE(CHILD(n, i-1))) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1980 case PLUS:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1981 op = BINARY_ADD;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1982 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1983 case MINUS:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1984 op = BINARY_SUBTRACT;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1985 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1986 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
1987 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
1988 "com_arith_expr: operator not + or -");
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1989 op = 255;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1990 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1991 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
1992 com_pop(c, 1);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1993 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1994 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1995
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1996 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
1997 com_shift_expr(struct compiling *c, node *n)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1998 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
1999 int i;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2000 int op;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2001 REQ(n, shift_expr);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2002 com_arith_expr(c, CHILD(n, 0));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2003 for (i = 2; i < NCH(n); i += 2) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2004 com_arith_expr(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2005 switch (TYPE(CHILD(n, i-1))) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2006 case LEFTSHIFT:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2007 op = BINARY_LSHIFT;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2008 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2009 case RIGHTSHIFT:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2010 op = BINARY_RSHIFT;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2011 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2012 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2013 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2014 "com_shift_expr: operator not << or >>");
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2015 op = 255;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2016 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2017 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2018 com_pop(c, 1);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2019 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2020 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2021
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2022 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2023 com_and_expr(struct compiling *c, node *n)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2024 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2025 int i;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2026 int op;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2027 REQ(n, and_expr);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2028 com_shift_expr(c, CHILD(n, 0));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2029 for (i = 2; i < NCH(n); i += 2) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2030 com_shift_expr(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2031 if (TYPE(CHILD(n, i-1)) == AMPER) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2032 op = BINARY_AND;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2033 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2034 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2035 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2036 "com_and_expr: operator not &");
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2037 op = 255;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2038 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2039 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2040 com_pop(c, 1);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2041 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2042 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2043
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2044 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2045 com_xor_expr(struct compiling *c, node *n)
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2046 {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2047 int i;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2048 int op;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2049 REQ(n, xor_expr);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2050 com_and_expr(c, CHILD(n, 0));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2051 for (i = 2; i < NCH(n); i += 2) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2052 com_and_expr(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2053 if (TYPE(CHILD(n, i-1)) == CIRCUMFLEX) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2054 op = BINARY_XOR;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2055 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2056 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2057 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2058 "com_xor_expr: operator not ^");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2059 op = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2060 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2061 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2062 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2063 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2064 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2065
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2066 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2067 com_expr(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2068 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2069 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2070 int op;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2071 REQ(n, expr);
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2072 com_xor_expr(c, CHILD(n, 0));
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2073 for (i = 2; i < NCH(n); i += 2) {
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2074 com_xor_expr(c, CHILD(n, i));
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2075 if (TYPE(CHILD(n, i-1)) == VBAR) {
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2076 op = BINARY_OR;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2077 }
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2078 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2079 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2080 "com_expr: expr operator not |");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2081 op = 255;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2082 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2083 com_addbyte(c, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2084 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2085 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2086 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2087
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2088 static enum cmp_op
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2089 cmp_type(node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2090 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2091 REQ(n, comp_op);
388
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2092 /* comp_op: '<' | '>' | '=' | '>=' | '<=' | '<>' | '!=' | '=='
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2093 | 'in' | 'not' 'in' | 'is' | 'is' not' */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2094 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2095 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2096 switch (TYPE(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2097 case LESS: return LT;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2098 case GREATER: return GT;
388
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2099 case EQEQUAL: /* == */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2100 case EQUAL: return EQ;
388
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2101 case LESSEQUAL: return LE;
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2102 case GREATEREQUAL: return GE;
31d509e94271 Comment out 'abort()' call.
Guido van Rossum <guido@python.org>
parents: 336
diff changeset
2103 case NOTEQUAL: return NE; /* <> or != */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2104 case NAME: if (strcmp(STR(n), "in") == 0) return IN;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2105 if (strcmp(STR(n), "is") == 0) return IS;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2106 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2107 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2108 else if (NCH(n) == 2) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2109 switch (TYPE(CHILD(n, 0))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2110 case NAME: if (strcmp(STR(CHILD(n, 1)), "in") == 0)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2111 return NOT_IN;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2112 if (strcmp(STR(CHILD(n, 0)), "is") == 0)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2113 return IS_NOT;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2114 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2115 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2116 return BAD;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2117 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2118
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2119 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2120 com_comparison(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2121 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2122 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2123 enum cmp_op op;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2124 int anchor;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2125 REQ(n, comparison); /* comparison: expr (comp_op expr)* */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2126 com_expr(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2127 if (NCH(n) == 1)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2128 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2129
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2130 /****************************************************************
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2131 The following code is generated for all but the last
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2132 comparison in a chain:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2133
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2134 label: on stack: opcode: jump to:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2135
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2136 a <code to load b>
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2137 a, b DUP_TOP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2138 a, b, b ROT_THREE
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2139 b, a, b COMPARE_OP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2140 b, 0-or-1 JUMP_IF_FALSE L1
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2141 b, 1 POP_TOP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2142 b
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2143
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2144 We are now ready to repeat this sequence for the next
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2145 comparison in the chain.
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2146
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2147 For the last we generate:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2148
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2149 b <code to load c>
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2150 b, c COMPARE_OP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2151 0-or-1
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2152
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2153 If there were any jumps to L1 (i.e., there was more than one
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2154 comparison), we generate:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2155
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2156 0-or-1 JUMP_FORWARD L2
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2157 L1: b, 0 ROT_TWO
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2158 0, b POP_TOP
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2159 0
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2160 L2: 0-or-1
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2161 ****************************************************************/
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2162
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2163 anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2164
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2165 for (i = 2; i < NCH(n); i += 2) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2166 com_expr(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2167 if (i+2 < NCH(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2168 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2169 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2170 com_addbyte(c, ROT_THREE);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2171 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2172 op = cmp_type(CHILD(n, i-1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2173 if (op == BAD) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2174 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2175 "com_comparison: unknown comparison op");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2176 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2177 com_addoparg(c, COMPARE_OP, op);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2178 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2179 if (i+2 < NCH(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2180 com_addfwref(c, JUMP_IF_FALSE, &anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2181 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2182 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2183 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2184 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2185
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2186 if (anchor) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2187 int anchor2 = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2188 com_addfwref(c, JUMP_FORWARD, &anchor2);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2189 com_backpatch(c, anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2190 com_addbyte(c, ROT_TWO);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2191 com_addbyte(c, POP_TOP);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2192 com_backpatch(c, anchor2);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2193 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2194 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2195
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2196 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2197 com_not_test(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2198 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2199 REQ(n, not_test); /* 'not' not_test | comparison */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2200 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2201 com_comparison(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2202 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2203 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2204 com_not_test(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2205 com_addbyte(c, UNARY_NOT);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2206 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2207 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2208
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2209 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2210 com_and_test(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2211 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2212 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2213 int anchor;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2214 REQ(n, and_test); /* not_test ('and' not_test)* */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2215 anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2216 i = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2217 for (;;) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2218 com_not_test(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2219 if ((i += 2) >= NCH(n))
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2220 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2221 com_addfwref(c, JUMP_IF_FALSE, &anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2222 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2223 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2224 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2225 if (anchor)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2226 com_backpatch(c, anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2227 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2228
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2229 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2230 com_make_closure(struct compiling *c, PyCodeObject *co)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2231 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2232 int i, free = PyTuple_GET_SIZE(co->co_freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2233 if (free == 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2234 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2235 for (i = 0; i < free; ++i) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2236 /* Bypass com_addop_varname because it will generate
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2237 LOAD_DEREF but LOAD_CLOSURE is needed.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2238 */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2239 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2240 int arg, reftype;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2241
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2242 /* Special case: If a class contains a method with a
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2243 free variable that has the same name as a method,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2244 the name will be considered free *and* local in the
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2245 class. It should be handled by the closure, as
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2246 well as by the normal name loookup logic.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2247 */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2248 reftype = get_ref_type(c, PyString_AS_STRING(name));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2249 if (reftype == CELL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2250 arg = com_lookup_arg(c->c_cellvars, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2251 else /* (reftype == FREE) */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2252 arg = com_lookup_arg(c->c_freevars, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2253 if (arg == -1) {
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2254 fprintf(stderr, "lookup %s in %s %d %d\n"
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2255 "freevars of %s: %s\n",
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2256 PyObject_REPR(name),
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2257 c->c_name,
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2258 reftype, arg,
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2259 PyString_AS_STRING(co->co_name),
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
2260 PyObject_REPR(co->co_freevars));
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2261 Py_FatalError("com_make_closure()");
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2262 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2263 com_addoparg(c, LOAD_CLOSURE, arg);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2264
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2265 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2266 com_push(c, free);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2267 return 1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2268 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2269
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2270 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2271 com_test(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2272 {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2273 REQ(n, test); /* and_test ('or' and_test)* | lambdef */
1417
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2274 if (NCH(n) == 1 && TYPE(CHILD(n, 0)) == lambdef) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2275 PyObject *co;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2276 int i, closure;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
2277 int ndefs = com_argdefs(c, CHILD(n, 0));
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
2278 symtable_enter_scope(c->c_symtable, "lambda", lambdef,
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
2279 n->n_lineno);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2280 co = (PyObject *) icompile(CHILD(n, 0), c);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2281 if (co == NULL) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2282 c->c_errors++;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2283 return;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2284 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2285 symtable_exit_scope(c->c_symtable);
16763
2f585cbe71da Shuffle premature decref; nuke unreachable code block.
Tim Peters <tim.peters@gmail.com>
parents: 16754
diff changeset
2286 i = com_addconst(c, co);
2f585cbe71da Shuffle premature decref; nuke unreachable code block.
Tim Peters <tim.peters@gmail.com>
parents: 16754
diff changeset
2287 closure = com_make_closure(c, (PyCodeObject *)co);
2f585cbe71da Shuffle premature decref; nuke unreachable code block.
Tim Peters <tim.peters@gmail.com>
parents: 16754
diff changeset
2288 Py_DECREF(co);
1417
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2289 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2290 com_push(c, 1);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2291 if (closure)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2292 com_addoparg(c, MAKE_CLOSURE, ndefs);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2293 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2294 com_addoparg(c, MAKE_FUNCTION, ndefs);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2295 com_pop(c, ndefs);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2296 }
1417
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2297 else {
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2298 int anchor = 0;
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2299 int i = 0;
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2300 for (;;) {
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2301 com_and_test(c, CHILD(n, i));
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2302 if ((i += 2) >= NCH(n))
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2303 break;
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2304 com_addfwref(c, JUMP_IF_TRUE, &anchor);
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2305 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2306 com_pop(c, 1);
1417
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2307 }
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2308 if (anchor)
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2309 com_backpatch(c, anchor);
f7edfa6d0dcb change syntactical position of lambdef (was an atom, now is a test)
Guido van Rossum <guido@python.org>
parents: 1415
diff changeset
2310 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2311 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2312
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2313 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2314 com_list(struct compiling *c, node *n, int toplevel)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2315 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2316 /* exprlist: expr (',' expr)* [',']; likewise for testlist */
482
ee899a81570d New argument passing.
Guido van Rossum <guido@python.org>
parents: 466
diff changeset
2317 if (NCH(n) == 1 && !toplevel) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2318 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2319 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2320 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2321 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2322 int len;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2323 len = (NCH(n) + 1) / 2;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2324 for (i = 0; i < NCH(n); i += 2)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2325 com_node(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2326 com_addoparg(c, BUILD_TUPLE, len);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2327 com_pop(c, len-1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2328 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2329 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2330
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2331
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2332 /* Begin of assignment compilation */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2333
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2334
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2335 static void
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2336 com_augassign_attr(struct compiling *c, node *n, int opcode, node *augn)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2337 {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2338 com_addbyte(c, DUP_TOP);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2339 com_push(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2340 com_addopname(c, LOAD_ATTR, n);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2341 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2342 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2343 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2344 com_addbyte(c, ROT_TWO);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2345 com_addopname(c, STORE_ATTR, n);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2346 com_pop(c, 2);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2347 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2348
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2349 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2350 com_assign_attr(struct compiling *c, node *n, int assigning)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2351 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2352 com_addopname(c, assigning ? STORE_ATTR : DELETE_ATTR, n);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2353 com_pop(c, assigning ? 2 : 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2354 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2355
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2356 static void
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2357 com_assign_trailer(struct compiling *c, node *n, int assigning, node *augn)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2358 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2359 REQ(n, trailer);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2360 switch (TYPE(CHILD(n, 0))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2361 case LPAR: /* '(' [exprlist] ')' */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2362 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2363 "can't assign to function call");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2364 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2365 case DOT: /* '.' NAME */
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2366 if (assigning > OP_APPLY)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2367 com_augassign_attr(c, CHILD(n, 1), assigning, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2368 else
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2369 com_assign_attr(c, CHILD(n, 1), assigning);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2370 break;
3839
22e29b1747e1 Changes for slice and ellipses
Guido van Rossum <guido@python.org>
parents: 3766
diff changeset
2371 case LSQB: /* '[' subscriptlist ']' */
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2372 com_subscriptlist(c, CHILD(n, 1), assigning, augn);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2373 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2374 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2375 com_error(c, PyExc_SystemError, "unknown trailer type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2376 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2377 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2378
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2379 static void
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
2380 com_assign_sequence(struct compiling *c, node *n, int assigning)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2381 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2382 int i;
14178
dff22d4a48da Fix allowable node-types for assignment, need to add 'listmaker'.
Thomas Wouters <thomas@python.org>
parents: 14163
diff changeset
2383 if (TYPE(n) != testlist && TYPE(n) != listmaker)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2384 REQ(n, exprlist);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2385 if (assigning) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2386 i = (NCH(n)+1)/2;
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
2387 com_addoparg(c, UNPACK_SEQUENCE, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2388 com_push(c, i-1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2389 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2390 for (i = 0; i < NCH(n); i += 2)
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2391 com_assign(c, CHILD(n, i), assigning, NULL);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2392 }
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2393
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2394 static void
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2395 com_augassign_name(struct compiling *c, node *n, int opcode, node *augn)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2396 {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2397 REQ(n, NAME);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2398 com_addop_varname(c, VAR_LOAD, STR(n));
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2399 com_push(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2400 com_node(c, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2401 com_addbyte(c, opcode);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2402 com_pop(c, 1);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2403 com_assign_name(c, n, OP_ASSIGN);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2404 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2405
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2406 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2407 com_assign_name(struct compiling *c, node *n, int assigning)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2408 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2409 REQ(n, NAME);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2410 com_addop_varname(c, assigning ? VAR_STORE : VAR_DELETE, STR(n));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2411 if (assigning)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2412 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2413 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2414
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2415 static void
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2416 com_assign(struct compiling *c, node *n, int assigning, node *augn)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2417 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2418 /* Loop to avoid trivial recursion */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2419 for (;;) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2420 switch (TYPE(n)) {
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2421
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2422 case exprlist:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2423 case testlist:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2424 if (NCH(n) > 1) {
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2425 if (assigning > OP_APPLY) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2426 com_error(c, PyExc_SyntaxError,
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
2427 "augmented assign to tuple not possible");
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2428 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2429 }
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
2430 com_assign_sequence(c, n, assigning);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2431 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2432 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2433 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2434 break;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2435
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2436 case test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2437 case and_test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2438 case not_test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2439 case comparison:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2440 case expr:
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2441 case xor_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2442 case and_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2443 case shift_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
2444 case arith_expr:
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2445 case term:
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2446 case factor:
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2447 if (NCH(n) > 1) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2448 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2449 "can't assign to operator");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2450 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2451 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2452 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2453 break;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2454
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2455 case power: /* atom trailer* ('**' power)*
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
2456 ('+'|'-'|'~') factor | atom trailer* */
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2457 if (TYPE(CHILD(n, 0)) != atom) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2458 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2459 "can't assign to operator");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2460 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2461 }
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2462 if (NCH(n) > 1) { /* trailer or exponent present */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2463 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2464 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2465 for (i = 1; i+1 < NCH(n); i++) {
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2466 if (TYPE(CHILD(n, i)) == DOUBLESTAR) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2467 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2468 "can't assign to operator");
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2469 return;
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
2470 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2471 com_apply_trailer(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2472 } /* NB i is still alive */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2473 com_assign_trailer(c,
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2474 CHILD(n, i), assigning, augn);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2475 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2476 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2477 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2478 break;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2479
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2480 case atom:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2481 switch (TYPE(CHILD(n, 0))) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2482 case LPAR:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2483 n = CHILD(n, 1);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2484 if (TYPE(n) == RPAR) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2485 /* XXX Should allow () = () ??? */
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2486 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2487 "can't assign to ()");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2488 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2489 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2490 if (assigning > OP_APPLY) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2491 com_error(c, PyExc_SyntaxError,
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2492 "augmented assign to tuple not possible");
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2493 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2494 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2495 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2496 case LSQB:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2497 n = CHILD(n, 1);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2498 if (TYPE(n) == RSQB) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2499 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2500 "can't assign to []");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2501 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2502 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2503 if (assigning > OP_APPLY) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2504 com_error(c, PyExc_SyntaxError,
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2505 "augmented assign to list not possible");
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2506 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2507 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2508 if (NCH(n) > 1
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2509 && TYPE(CHILD(n, 1)) == list_for) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2510 com_error(c, PyExc_SyntaxError,
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
2511 "can't assign to list comprehension");
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2512 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2513 }
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
2514 com_assign_sequence(c, n, assigning);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2515 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2516 case NAME:
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2517 if (assigning > OP_APPLY)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2518 com_augassign_name(c, CHILD(n, 0),
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2519 assigning, augn);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2520 else
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2521 com_assign_name(c, CHILD(n, 0),
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2522 assigning);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2523 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2524 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2525 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
2526 "can't assign to literal");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2527 return;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2528 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2529 break;
3963
00722990b80c Removed unused var; added error check for ``lambda: x=1''.
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
2530
00722990b80c Removed unused var; added error check for ``lambda: x=1''.
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
2531 case lambdef:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2532 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2533 "can't assign to lambda");
3963
00722990b80c Removed unused var; added error check for ``lambda: x=1''.
Guido van Rossum <guido@python.org>
parents: 3839
diff changeset
2534 return;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2535
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2536 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2537 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2538 "com_assign: bad node");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2539 return;
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2540
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2541 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2542 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2543 }
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2544
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2545 static void
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2546 com_augassign(struct compiling *c, node *n)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2547 {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2548 int opcode;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2549
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2550 switch (STR(CHILD(CHILD(n, 1), 0))[0]) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2551 case '+': opcode = INPLACE_ADD; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2552 case '-': opcode = INPLACE_SUBTRACT; break;
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2553 case '/':
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2554 if (STR(CHILD(CHILD(n, 1), 0))[1] == '/')
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2555 opcode = INPLACE_FLOOR_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2556 else if (c->c_flags & CO_FUTURE_DIVISION)
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2557 opcode = INPLACE_TRUE_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2558 else
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2559 opcode = INPLACE_DIVIDE;
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
2560 break;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2561 case '%': opcode = INPLACE_MODULO; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2562 case '<': opcode = INPLACE_LSHIFT; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2563 case '>': opcode = INPLACE_RSHIFT; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2564 case '&': opcode = INPLACE_AND; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2565 case '^': opcode = INPLACE_XOR; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2566 case '|': opcode = INPLACE_OR; break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2567 case '*':
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2568 if (STR(CHILD(CHILD(n, 1), 0))[1] == '*')
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2569 opcode = INPLACE_POWER;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2570 else
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2571 opcode = INPLACE_MULTIPLY;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2572 break;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2573 default:
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2574 com_error(c, PyExc_SystemError, "com_augassign: bad operator");
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2575 return;
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2576 }
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2577 com_assign(c, CHILD(n, 0), opcode, CHILD(n, 2));
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2578 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2579
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2580 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2581 com_expr_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2582 {
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2583 REQ(n, expr_stmt);
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2584 /* testlist (('=' testlist)* | augassign testlist) */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2585 /* Forget it if we have just a doc string here */
5264
38878f1cd4f1 Support for alternative string quotes (a"xx", b"xx", c"xx", ...).
Guido van Rossum <guido@python.org>
parents: 5233
diff changeset
2586 if (!c->c_interactive && NCH(n) == 1 && get_rawdocstring(n) != NULL)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2587 return;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2588 if (NCH(n) == 1) {
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2589 com_node(c, CHILD(n, NCH(n)-1));
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
2590 if (c->c_interactive)
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
2591 com_addbyte(c, PRINT_EXPR);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
2592 else
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
2593 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2594 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2595 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2596 else if (TYPE(CHILD(n,1)) == augassign)
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2597 com_augassign(c, n);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2598 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2599 int i;
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2600 com_node(c, CHILD(n, NCH(n)-1));
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
2601 for (i = 0; i < NCH(n)-2; i+=2) {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2602 if (i+2 < NCH(n)-2) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2603 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2604 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2605 }
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
2606 com_assign(c, CHILD(n, i), OP_ASSIGN, NULL);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2607 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2608 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2609 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2610
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2611 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2612 com_assert_stmt(struct compiling *c, node *n)
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2613 {
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2614 int a = 0, b = 0;
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2615 int i;
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2616 REQ(n, assert_stmt); /* 'assert' test [',' test] */
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2617 /* Generate code like for
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2618
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2619 if __debug__:
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2620 if not <test>:
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2621 raise AssertionError [, <message>]
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2622
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2623 where <message> is the second test, if present.
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2624 */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2625
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2626 if (Py_OptimizeFlag)
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2627 return;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2628 com_addop_name(c, LOAD_GLOBAL, "__debug__");
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2629 com_push(c, 1);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2630 com_addfwref(c, JUMP_IF_FALSE, &a);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2631 com_addbyte(c, POP_TOP);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2632 com_pop(c, 1);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2633 com_node(c, CHILD(n, 1));
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2634 com_addfwref(c, JUMP_IF_TRUE, &b);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2635 com_addbyte(c, POP_TOP);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2636 com_pop(c, 1);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2637 /* Raise that exception! */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2638 com_addop_name(c, LOAD_GLOBAL, "AssertionError");
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2639 com_push(c, 1);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2640 i = NCH(n)/2; /* Either 2 or 4 */
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2641 if (i > 1)
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2642 com_node(c, CHILD(n, 3));
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2643 com_addoparg(c, RAISE_VARARGS, i);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2644 com_pop(c, i);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2645 /* The interpreter does not fall through */
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2646 /* All jumps converge here */
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2647 com_backpatch(c, a);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2648 com_backpatch(c, b);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2649 com_addbyte(c, POP_TOP);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2650 }
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2651
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
2652 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2653 com_print_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2654 {
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2655 int i = 1;
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2656 node* stream = NULL;
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2657
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
2658 REQ(n, print_stmt); /* 'print' (test ',')* [test] */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2659
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2660 /* are we using the extended print form? */
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2661 if (NCH(n) >= 2 && TYPE(CHILD(n, 1)) == RIGHTSHIFT) {
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2662 stream = CHILD(n, 2);
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2663 com_node(c, stream);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2664 /* stack: [...] => [... stream] */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2665 com_push(c, 1);
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2666 if (NCH(n) > 3 && TYPE(CHILD(n, 3)) == COMMA)
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2667 i = 4;
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2668 else
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2669 i = 3;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2670 }
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2671 for (; i < NCH(n); i += 2) {
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2672 if (stream != NULL) {
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2673 com_addbyte(c, DUP_TOP);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2674 /* stack: [stream] => [stream stream] */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2675 com_push(c, 1);
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2676 com_node(c, CHILD(n, i));
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2677 /* stack: [stream stream] => [stream stream obj] */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2678 com_addbyte(c, ROT_TWO);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2679 /* stack: [stream stream obj] => [stream obj stream] */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2680 com_addbyte(c, PRINT_ITEM_TO);
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2681 /* stack: [stream obj stream] => [stream] */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2682 com_pop(c, 2);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2683 }
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2684 else {
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2685 com_node(c, CHILD(n, i));
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2686 /* stack: [...] => [... obj] */
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2687 com_addbyte(c, PRINT_ITEM);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2688 com_pop(c, 1);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2689 }
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2690 }
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2691 /* XXX Alternatively, LOAD_CONST '\n' and then PRINT_ITEM */
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2692 if (TYPE(CHILD(n, NCH(n)-1)) == COMMA) {
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2693 if (stream != NULL) {
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2694 /* must pop the extra stream object off the stack */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2695 com_addbyte(c, POP_TOP);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2696 /* stack: [... stream] => [...] */
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2697 com_pop(c, 1);
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2698 }
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2699 }
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2700 else {
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2701 if (stream != NULL) {
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2702 /* this consumes the last stream object on stack */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2703 com_addbyte(c, PRINT_NEWLINE_TO);
14105
d809b9b75b99 com_print_stmt(): Guido rightly points out that the stream expression
Barry Warsaw <barry@python.org>
parents: 14099
diff changeset
2704 /* stack: [... stream] => [...] */
14099
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2705 com_pop(c, 1);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2706 }
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2707 else
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2708 com_addbyte(c, PRINT_NEWLINE);
468481135c49 PEP 214, Extended print Statement, has been accepted by the BDFL.
Barry Warsaw <barry@python.org>
parents: 14077
diff changeset
2709 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2710 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2711
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2712 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2713 com_return_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2714 {
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
2715 REQ(n, return_stmt); /* 'return' [testlist] */
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
2716 if (!c->c_infunction) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2717 com_error(c, PyExc_SyntaxError, "'return' outside function");
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
2718 }
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2719 if (c->c_flags & CO_GENERATOR) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2720 if (NCH(n) > 1) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2721 com_error(c, PyExc_SyntaxError,
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2722 "'return' with argument inside generator");
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2723 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2724 }
18243
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2725 if (NCH(n) < 2) {
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2726 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2727 com_push(c, 1);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2728 }
18243
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2729 else
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2730 com_node(c, CHILD(n, 1));
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
2731 com_addbyte(c, RETURN_VALUE);
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2732 com_pop(c, 1);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2733 }
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2734
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2735 static void
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2736 com_yield_stmt(struct compiling *c, node *n)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2737 {
18228
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2738 int i;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2739 REQ(n, yield_stmt); /* 'yield' testlist */
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2740 if (!c->c_infunction) {
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2741 com_error(c, PyExc_SyntaxError, "'yield' outside function");
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2742 }
18228
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2743
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2744 for (i = 0; i < c->c_nblocks; ++i) {
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2745 if (c->c_block[i] == SETUP_FINALLY) {
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2746 com_error(c, PyExc_SyntaxError,
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2747 "'yield' not allowed in a 'try' block "
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2748 "with a 'finally' clause");
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2749 return;
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2750 }
4ebd292c975f Disallow 'yield' in a 'try' block when there's a 'finally' clause.
Tim Peters <tim.peters@gmail.com>
parents: 18148
diff changeset
2751 }
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2752 com_node(c, CHILD(n, 1));
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
2753 com_addbyte(c, YIELD_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2754 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2755 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2756
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2757 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2758 com_raise_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2759 {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2760 int i;
7946
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2761 REQ(n, raise_stmt); /* 'raise' [test [',' test [',' test]]] */
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2762 if (NCH(n) > 1) {
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2763 com_node(c, CHILD(n, 1));
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2764 if (NCH(n) > 3) {
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2765 com_node(c, CHILD(n, 3));
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2766 if (NCH(n) > 5)
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2767 com_node(c, CHILD(n, 5));
ad114620f8c2 Make first raise argument optional
Guido van Rossum <guido@python.org>
parents: 6501
diff changeset
2768 }
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
2769 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2770 i = NCH(n)/2;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2771 com_addoparg(c, RAISE_VARARGS, i);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2772 com_pop(c, i);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2773 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2774
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2775 static void
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2776 com_from_import(struct compiling *c, node *n)
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2777 {
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2778 com_addopname(c, IMPORT_FROM, CHILD(n, 0));
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2779 com_push(c, 1);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2780 if (NCH(n) > 1) {
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2781 if (strcmp(STR(CHILD(n, 1)), "as") != 0) {
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2782 com_error(c, PyExc_SyntaxError, "invalid syntax");
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2783 return;
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2784 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2785 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 2)));
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2786 } else
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2787 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 0)));
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2788 com_pop(c, 1);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2789 }
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2790
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2791 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2792 com_import_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2793 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2794 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2795 REQ(n, import_stmt);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
2796 /* 'import' dotted_name (',' dotted_name)* |
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
2797 'from' dotted_name 'import' ('*' | NAME (',' NAME)*) */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2798 if (STR(CHILD(n, 0))[0] == 'f') {
15438
433458651eb4 Plug a memory leak in com_import_stmt(): the tuple created to hold the
Guido van Rossum <guido@python.org>
parents: 15408
diff changeset
2799 PyObject *tup;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
2800 /* 'from' dotted_name 'import' ... */
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
2801 REQ(CHILD(n, 1), dotted_name);
14232
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2802
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2803 if (TYPE(CHILD(n, 3)) == STAR) {
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2804 tup = Py_BuildValue("(s)", "*");
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2805 } else {
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2806 tup = PyTuple_New((NCH(n) - 2)/2);
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2807 for (i = 3; i < NCH(n); i += 2) {
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2808 PyTuple_SET_ITEM(tup, (i-3)/2,
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2809 PyString_FromString(STR(
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
2810 CHILD(CHILD(n, i), 0))));
14232
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2811 }
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2812 }
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2813 com_addoparg(c, LOAD_CONST, com_addconst(c, tup));
15438
433458651eb4 Plug a memory leak in com_import_stmt(): the tuple created to hold the
Guido van Rossum <guido@python.org>
parents: 15408
diff changeset
2814 Py_DECREF(tup);
14232
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2815 com_push(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2816 com_addopname(c, IMPORT_NAME, CHILD(n, 1));
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2817 if (TYPE(CHILD(n, 3)) == STAR)
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2818 com_addbyte(c, IMPORT_STAR);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2819 else {
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2820 for (i = 3; i < NCH(n); i += 2)
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2821 com_from_import(c, CHILD(n, i));
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2822 com_addbyte(c, POP_TOP);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2823 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2824 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2825 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2826 else {
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
2827 /* 'import' ... */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2828 for (i = 1; i < NCH(n); i += 2) {
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2829 node *subn = CHILD(n, i);
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2830 REQ(subn, dotted_as_name);
14232
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2831 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
1f1a156ed5af Replace the run-time 'future-bytecode-stream-inspection' hack to find out
Thomas Wouters <thomas@python.org>
parents: 14230
diff changeset
2832 com_push(c, 1);
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2833 com_addopname(c, IMPORT_NAME, CHILD(subn, 0));
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2834 if (NCH(subn) > 1) {
14230
31925ab46b23 Re-allow 'import mod.submod as s', and change its meaning to what it should
Thomas Wouters <thomas@python.org>
parents: 14226
diff changeset
2835 int j;
31925ab46b23 Re-allow 'import mod.submod as s', and change its meaning to what it should
Thomas Wouters <thomas@python.org>
parents: 14226
diff changeset
2836 if (strcmp(STR(CHILD(subn, 1)), "as") != 0) {
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2837 com_error(c, PyExc_SyntaxError,
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2838 "invalid syntax");
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2839 return;
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2840 }
14230
31925ab46b23 Re-allow 'import mod.submod as s', and change its meaning to what it should
Thomas Wouters <thomas@python.org>
parents: 14226
diff changeset
2841 for (j=2 ; j < NCH(CHILD(subn, 0)); j += 2)
31925ab46b23 Re-allow 'import mod.submod as s', and change its meaning to what it should
Thomas Wouters <thomas@python.org>
parents: 14226
diff changeset
2842 com_addopname(c, LOAD_ATTR,
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2843 CHILD(CHILD(subn, 0),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2844 j));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2845 com_addop_varname(c, VAR_STORE,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2846 STR(CHILD(subn, 2)));
14038
18385172fac0 Apply SF patch #101135, adding 'import module as m' and 'from module import
Thomas Wouters <thomas@python.org>
parents: 13997
diff changeset
2847 } else
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2848 com_addop_varname(c, VAR_STORE,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2849 STR(CHILD(CHILD(subn, 0),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2850 0)));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2851 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2852 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2853 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2854 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2855
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
2856 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2857 com_exec_stmt(struct compiling *c, node *n)
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2858 {
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2859 REQ(n, exec_stmt);
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2860 /* exec_stmt: 'exec' expr ['in' expr [',' expr]] */
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2861 com_node(c, CHILD(n, 1));
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2862 if (NCH(n) >= 4)
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2863 com_node(c, CHILD(n, 3));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2864 else {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2865 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2866 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2867 }
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2868 if (NCH(n) >= 6)
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2869 com_node(c, CHILD(n, 5));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2870 else {
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2871 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2872 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2873 }
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2874 com_addbyte(c, EXEC_STMT);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
2875 com_pop(c, 3);
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2876 }
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
2877
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2878 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
2879 is_constant_false(struct compiling *c, node *n)
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2880 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2881 PyObject *v;
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2882 int i;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
2883 /* argument c will be NULL when called from symtable_node() */
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2884
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2885 /* Label to avoid tail recursion */
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2886 next:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2887 switch (TYPE(n)) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2888
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2889 case suite:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2890 if (NCH(n) == 1) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2891 n = CHILD(n, 0);
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2892 goto next;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2893 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2894 /* Fall through */
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2895 case file_input:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2896 for (i = 0; i < NCH(n); i++) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2897 node *ch = CHILD(n, i);
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2898 if (TYPE(ch) == stmt) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2899 n = ch;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2900 goto next;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2901 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2902 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2903 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2904
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2905 case stmt:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2906 case simple_stmt:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2907 case small_stmt:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2908 n = CHILD(n, 0);
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2909 goto next;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2910
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2911 case expr_stmt:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2912 case testlist:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2913 case test:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2914 case and_test:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2915 case not_test:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2916 case comparison:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2917 case expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2918 case xor_expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2919 case and_expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2920 case shift_expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2921 case arith_expr:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2922 case term:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2923 case factor:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2924 case power:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2925 case atom:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2926 if (NCH(n) == 1) {
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2927 n = CHILD(n, 0);
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2928 goto next;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2929 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2930 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2931
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2932 case NAME:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2933 if (Py_OptimizeFlag && strcmp(STR(n), "__debug__") == 0)
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2934 return 1;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2935 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2936
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2937 case NUMBER:
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2938 v = parsenumber(c, STR(n));
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2939 if (v == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2940 PyErr_Clear();
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2941 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2942 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2943 i = PyObject_IsTrue(v);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2944 Py_DECREF(v);
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2945 return i == 0;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2946
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2947 case STRING:
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
2948 v = parsestr(c, STR(n));
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2949 if (v == NULL) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2950 PyErr_Clear();
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2951 break;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2952 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2953 i = PyObject_IsTrue(v);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
2954 Py_DECREF(v);
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2955 return i == 0;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2956
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2957 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2958 return 0;
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2959 }
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
2960
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2961
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2962 /* Look under n for a return stmt with an expression.
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2963 * This hack is used to find illegal returns under "if 0:" blocks in
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2964 * functions already known to be generators (as determined by the symtable
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2965 * pass).
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2966 * Return the offending return node if found, else NULL.
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2967 */
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2968 static node *
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2969 look_for_offending_return(node *n)
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2970 {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2971 int i;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2972
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2973 for (i = 0; i < NCH(n); ++i) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2974 node *kid = CHILD(n, i);
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2975
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2976 switch (TYPE(kid)) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2977 case classdef:
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2978 case funcdef:
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2979 case lambdef:
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2980 /* Stuff in nested functions & classes doesn't
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2981 affect the code block we started in. */
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2982 return NULL;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2983
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2984 case return_stmt:
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2985 if (NCH(kid) > 1)
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2986 return kid;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2987 break;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2988
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2989 default: {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2990 node *bad = look_for_offending_return(kid);
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2991 if (bad != NULL)
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2992 return bad;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2993 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2994 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2995 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2996
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2997 return NULL;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2998 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
2999
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
3000 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3001 com_if_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3002 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3003 int i;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3004 int anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3005 REQ(n, if_stmt);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3006 /*'if' test ':' suite ('elif' test ':' suite)* ['else' ':' suite] */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3007 for (i = 0; i+3 < NCH(n); i+=4) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3008 int a = 0;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3009 node *ch = CHILD(n, i+1);
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3010 if (is_constant_false(c, ch)) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3011 /* We're going to skip this block. However, if this
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3012 is a generator, we have to check the dead code
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3013 anyway to make sure there aren't any return stmts
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3014 with expressions, in the same scope. */
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3015 if (c->c_flags & CO_GENERATOR) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3016 node *p = look_for_offending_return(n);
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3017 if (p != NULL) {
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3018 int savelineno = c->c_lineno;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3019 c->c_lineno = p->n_lineno;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3020 com_error(c, PyExc_SyntaxError,
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3021 "'return' with argument "
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3022 "inside generator");
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3023 c->c_lineno = savelineno;
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3024 }
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3025 }
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3026 continue;
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
3027 }
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3028 if (i > 0)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3029 com_addoparg(c, SET_LINENO, ch->n_lineno);
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3030 com_node(c, ch);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3031 com_addfwref(c, JUMP_IF_FALSE, &a);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3032 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3033 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3034 com_node(c, CHILD(n, i+3));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3035 com_addfwref(c, JUMP_FORWARD, &anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3036 com_backpatch(c, a);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3037 /* We jump here with an extra entry which we now pop */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3038 com_addbyte(c, POP_TOP);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3039 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3040 if (i+2 < NCH(n))
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3041 com_node(c, CHILD(n, i+2));
5181
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3042 if (anchor)
8a0b80dc6e71 Added support for ``if __debug__:'' -- if -O is given, this form is
Guido van Rossum <guido@python.org>
parents: 5164
diff changeset
3043 com_backpatch(c, anchor);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3044 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3045
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3046 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3047 com_while_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3048 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3049 int break_anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3050 int anchor = 0;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3051 int save_begin = c->c_begin;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3052 REQ(n, while_stmt); /* 'while' test ':' suite ['else' ':' suite] */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3053 com_addfwref(c, SETUP_LOOP, &break_anchor);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3054 block_push(c, SETUP_LOOP);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3055 c->c_begin = c->c_nexti;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3056 com_addoparg(c, SET_LINENO, n->n_lineno);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3057 com_node(c, CHILD(n, 1));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3058 com_addfwref(c, JUMP_IF_FALSE, &anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3059 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3060 com_pop(c, 1);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3061 c->c_loops++;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3062 com_node(c, CHILD(n, 3));
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3063 c->c_loops--;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3064 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3065 c->c_begin = save_begin;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3066 com_backpatch(c, anchor);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3067 /* We jump here with one entry more on the stack */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3068 com_addbyte(c, POP_TOP);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3069 com_addbyte(c, POP_BLOCK);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3070 block_pop(c, SETUP_LOOP);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3071 if (NCH(n) > 4)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3072 com_node(c, CHILD(n, 6));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3073 com_backpatch(c, break_anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3074 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3075
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3076 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3077 com_for_stmt(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3078 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3079 int break_anchor = 0;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3080 int anchor = 0;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3081 int save_begin = c->c_begin;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3082 REQ(n, for_stmt);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3083 /* 'for' exprlist 'in' exprlist ':' suite ['else' ':' suite] */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3084 com_addfwref(c, SETUP_LOOP, &break_anchor);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3085 block_push(c, SETUP_LOOP);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3086 com_node(c, CHILD(n, 3));
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
3087 com_addbyte(c, GET_ITER);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3088 c->c_begin = c->c_nexti;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3089 com_addoparg(c, SET_LINENO, n->n_lineno);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
3090 com_addfwref(c, FOR_ITER, &anchor);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3091 com_push(c, 1);
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
3092 com_assign(c, CHILD(n, 1), OP_ASSIGN, NULL);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3093 c->c_loops++;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3094 com_node(c, CHILD(n, 5));
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3095 c->c_loops--;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3096 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3097 c->c_begin = save_begin;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3098 com_backpatch(c, anchor);
17597
32e7d0898eab Iterators phase 1. This comprises:
Guido van Rossum <guido@python.org>
parents: 17518
diff changeset
3099 com_pop(c, 1); /* FOR_ITER has popped this */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3100 com_addbyte(c, POP_BLOCK);
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3101 block_pop(c, SETUP_LOOP);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3102 if (NCH(n) > 8)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3103 com_node(c, CHILD(n, 8));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3104 com_backpatch(c, break_anchor);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3105 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3106
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3107 /* Code generated for "try: S finally: Sf" is as follows:
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3108
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3109 SETUP_FINALLY L
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3110 <code for S>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3111 POP_BLOCK
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3112 LOAD_CONST <nil>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3113 L: <code for Sf>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3114 END_FINALLY
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3115
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3116 The special instructions use the block stack. Each block
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3117 stack entry contains the instruction that created it (here
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3118 SETUP_FINALLY), the level of the value stack at the time the
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3119 block stack entry was created, and a label (here L).
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3120
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3121 SETUP_FINALLY:
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3122 Pushes the current value stack level and the label
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3123 onto the block stack.
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3124 POP_BLOCK:
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3125 Pops en entry from the block stack, and pops the value
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3126 stack until its level is the same as indicated on the
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3127 block stack. (The label is ignored.)
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3128 END_FINALLY:
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3129 Pops a variable number of entries from the *value* stack
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3130 and re-raises the exception they specify. The number of
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3131 entries popped depends on the (pseudo) exception type.
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3132
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3133 The block stack is unwound when an exception is raised:
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3134 when a SETUP_FINALLY entry is found, the exception is pushed
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3135 onto the value stack (and the exception condition is cleared),
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3136 and the interpreter jumps to the label gotten from the block
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3137 stack.
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3138
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3139 Code generated for "try: S except E1, V1: S1 except E2, V2: S2 ...":
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3140 (The contents of the value stack is shown in [], with the top
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3141 at the right; 'tb' is trace-back info, 'val' the exception's
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3142 associated value, and 'exc' the exception.)
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3143
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3144 Value stack Label Instruction Argument
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3145 [] SETUP_EXCEPT L1
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3146 [] <code for S>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3147 [] POP_BLOCK
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3148 [] JUMP_FORWARD L0
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3149
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3150 [tb, val, exc] L1: DUP )
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3151 [tb, val, exc, exc] <evaluate E1> )
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3152 [tb, val, exc, exc, E1] COMPARE_OP EXC_MATCH ) only if E1
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3153 [tb, val, exc, 1-or-0] JUMP_IF_FALSE L2 )
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3154 [tb, val, exc, 1] POP )
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3155 [tb, val, exc] POP
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3156 [tb, val] <assign to V1> (or POP if no V1)
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3157 [tb] POP
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3158 [] <code for S1>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3159 JUMP_FORWARD L0
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3160
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3161 [tb, val, exc, 0] L2: POP
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3162 [tb, val, exc] DUP
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3163 .............................etc.......................
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3164
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3165 [tb, val, exc, 0] Ln+1: POP
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3166 [tb, val, exc] END_FINALLY # re-raise exception
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3167
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3168 [] L0: <next statement>
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3169
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3170 Of course, parts are not generated if Vi or Ei is not present.
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3171 */
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3172
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3173 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3174 com_try_except(struct compiling *c, node *n)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3175 {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3176 int except_anchor = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3177 int end_anchor = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3178 int else_anchor = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3179 int i;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3180 node *ch;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3181
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3182 com_addfwref(c, SETUP_EXCEPT, &except_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3183 block_push(c, SETUP_EXCEPT);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3184 com_node(c, CHILD(n, 2));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3185 com_addbyte(c, POP_BLOCK);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3186 block_pop(c, SETUP_EXCEPT);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3187 com_addfwref(c, JUMP_FORWARD, &else_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3188 com_backpatch(c, except_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3189 for (i = 3;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3190 i < NCH(n) && TYPE(ch = CHILD(n, i)) == except_clause;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3191 i += 3) {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3192 /* except_clause: 'except' [expr [',' var]] */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3193 if (except_anchor == 0) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3194 com_error(c, PyExc_SyntaxError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
3195 "default 'except:' must be last");
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3196 break;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3197 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3198 except_anchor = 0;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3199 com_push(c, 3); /* tb, val, exc pushed by exception */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3200 com_addoparg(c, SET_LINENO, ch->n_lineno);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3201 if (NCH(ch) > 1) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3202 com_addbyte(c, DUP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3203 com_push(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3204 com_node(c, CHILD(ch, 1));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3205 com_addoparg(c, COMPARE_OP, EXC_MATCH);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3206 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3207 com_addfwref(c, JUMP_IF_FALSE, &except_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3208 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3209 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3210 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3211 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3212 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3213 if (NCH(ch) > 3)
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
3214 com_assign(c, CHILD(ch, 3), OP_ASSIGN, NULL);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3215 else {
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3216 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3217 com_pop(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3218 }
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3219 com_addbyte(c, POP_TOP);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3220 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3221 com_node(c, CHILD(n, i+2));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3222 com_addfwref(c, JUMP_FORWARD, &end_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3223 if (except_anchor) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3224 com_backpatch(c, except_anchor);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3225 /* We come in with [tb, val, exc, 0] on the
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3226 stack; one pop and it's the same as
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3227 expected at the start of the loop */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3228 com_addbyte(c, POP_TOP);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3229 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3230 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3231 /* We actually come in here with [tb, val, exc] but the
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3232 END_FINALLY will zap those and jump around.
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3233 The c_stacklevel does not reflect them so we need not pop
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3234 anything. */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3235 com_addbyte(c, END_FINALLY);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3236 com_backpatch(c, else_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3237 if (i < NCH(n))
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3238 com_node(c, CHILD(n, i+2));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3239 com_backpatch(c, end_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3240 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3241
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3242 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3243 com_try_finally(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3244 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3245 int finally_anchor = 0;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3246 node *ch;
792
dc3b455f7632 Only * can be used for varargs argument lists
Guido van Rossum <guido@python.org>
parents: 744
diff changeset
3247
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3248 com_addfwref(c, SETUP_FINALLY, &finally_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3249 block_push(c, SETUP_FINALLY);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3250 com_node(c, CHILD(n, 2));
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3251 com_addbyte(c, POP_BLOCK);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3252 block_pop(c, SETUP_FINALLY);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3253 block_push(c, END_FINALLY);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3254 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3255 /* While the generated code pushes only one item,
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3256 the try-finally handling can enter here with
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3257 up to three items. OK, here are the details:
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3258 3 for an exception, 2 for RETURN, 1 for BREAK. */
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3259 com_push(c, 3);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3260 com_backpatch(c, finally_anchor);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3261 ch = CHILD(n, NCH(n)-1);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3262 com_addoparg(c, SET_LINENO, ch->n_lineno);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3263 com_node(c, ch);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3264 com_addbyte(c, END_FINALLY);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3265 block_pop(c, END_FINALLY);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3266 com_pop(c, 3); /* Matches the com_push above */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3267 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3268
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3269 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3270 com_try_stmt(struct compiling *c, node *n)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3271 {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3272 REQ(n, try_stmt);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3273 /* 'try' ':' suite (except_clause ':' suite)+ ['else' ':' suite]
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3274 | 'try' ':' suite 'finally' ':' suite */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3275 if (TYPE(CHILD(n, 3)) != except_clause)
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3276 com_try_finally(c, n);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3277 else
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3278 com_try_except(c, n);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3279 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3280
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3281 static node *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3282 get_rawdocstring(node *n)
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3283 {
2241
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3284 int i;
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3285
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3286 /* Label to avoid tail recursion */
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3287 next:
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3288 switch (TYPE(n)) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3289
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3290 case suite:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3291 if (NCH(n) == 1) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3292 n = CHILD(n, 0);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3293 goto next;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3294 }
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3295 /* Fall through */
2241
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3296 case file_input:
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3297 for (i = 0; i < NCH(n); i++) {
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3298 node *ch = CHILD(n, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3299 if (TYPE(ch) == stmt) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3300 n = ch;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3301 goto next;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3302 }
2241
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3303 }
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3304 break;
fefae37c053c added missing case to get_docstring
Guido van Rossum <guido@python.org>
parents: 2203
diff changeset
3305
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3306 case stmt:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3307 case simple_stmt:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3308 case small_stmt:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3309 n = CHILD(n, 0);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3310 goto next;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3311
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3312 case expr_stmt:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3313 case testlist:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3314 case test:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3315 case and_test:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3316 case not_test:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3317 case comparison:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3318 case expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3319 case xor_expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3320 case and_expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3321 case shift_expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3322 case arith_expr:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3323 case term:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3324 case factor:
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3325 case power:
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3326 if (NCH(n) == 1) {
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3327 n = CHILD(n, 0);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3328 goto next;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3329 }
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3330 break;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3331
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3332 case atom:
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3333 if (TYPE(CHILD(n, 0)) == STRING)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3334 return n;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3335 break;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3336
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3337 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3338 return NULL;
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3339 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3340
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3341 static PyObject *
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3342 get_docstring(struct compiling *c, node *n)
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3343 {
9987
b7bcc2cda1b3 Implement -OO; "unsafe" optimization that removes docstrings.
Guido van Rossum <guido@python.org>
parents: 9626
diff changeset
3344 /* Don't generate doc-strings if run with -OO */
b7bcc2cda1b3 Implement -OO; "unsafe" optimization that removes docstrings.
Guido van Rossum <guido@python.org>
parents: 9626
diff changeset
3345 if (Py_OptimizeFlag > 1)
b7bcc2cda1b3 Implement -OO; "unsafe" optimization that removes docstrings.
Guido van Rossum <guido@python.org>
parents: 9626
diff changeset
3346 return NULL;
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3347 n = get_rawdocstring(n);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3348 if (n == NULL)
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3349 return NULL;
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3350 return parsestrplus(c, n);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3351 }
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3352
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3353 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3354 com_suite(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3355 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3356 REQ(n, suite);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3357 /* simple_stmt | NEWLINE INDENT NEWLINE* (stmt NEWLINE*)+ DEDENT */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3358 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3359 com_node(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3360 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3361 else {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3362 int i;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
3363 for (i = 0; i < NCH(n) && c->c_errors == 0; i++) {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3364 node *ch = CHILD(n, i);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3365 if (TYPE(ch) == stmt)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3366 com_node(c, ch);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3367 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3368 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3369 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3370
744
834dd4a77ee2 fix what lint found
Guido van Rossum <guido@python.org>
parents: 703
diff changeset
3371 /* ARGSUSED */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3372 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3373 com_continue_stmt(struct compiling *c, node *n)
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3374 {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3375 int i = c->c_nblocks;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3376 if (i-- > 0 && c->c_block[i] == SETUP_LOOP) {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3377 com_addoparg(c, JUMP_ABSOLUTE, c->c_begin);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3378 }
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3379 else if (i <= 0) {
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3380 /* at the outer level */
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3381 com_error(c, PyExc_SyntaxError,
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3382 "'continue' not properly in loop");
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3383 }
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3384 else {
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3385 int j;
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3386 for (j = i-1; j >= 0; --j) {
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3387 if (c->c_block[j] == SETUP_LOOP)
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3388 break;
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3389 }
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3390 if (j >= 0) {
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3391 /* there is a loop, but something interferes */
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3392 for (; i > j; --i) {
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3393 if (c->c_block[i] == SETUP_EXCEPT ||
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3394 c->c_block[i] == SETUP_FINALLY) {
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3395 com_addoparg(c, CONTINUE_LOOP,
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3396 c->c_begin);
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3397 return;
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3398 }
16398
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3399 if (c->c_block[i] == END_FINALLY) {
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3400 com_error(c, PyExc_SyntaxError,
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3401 "'continue' not supported inside 'finally' clause");
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3402 return;
80c0b280a4f9 Allow 'continue' inside 'try' clause
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16394
diff changeset
3403 }
14471
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3404 }
c3c49859e80b com_continue_stmt(): Improve error message when continue is found
Fred Drake <fdrake@acm.org>
parents: 14382
diff changeset
3405 }
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3406 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3407 "'continue' not properly in loop");
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3408 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3409 /* XXX Could allow it inside a 'finally' clause
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3410 XXX if we could pop the exception still on the stack */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3411 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3412
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3413 static int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3414 com_argdefs(struct compiling *c, node *n)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3415 {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3416 int i, nch, nargs, ndefs;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3417 if (TYPE(n) == lambdef) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3418 /* lambdef: 'lambda' [varargslist] ':' test */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3419 n = CHILD(n, 1);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3420 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3421 else {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3422 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ... */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3423 n = CHILD(n, 2);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3424 REQ(n, parameters); /* parameters: '(' [varargslist] ')' */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3425 n = CHILD(n, 1);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3426 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3427 if (TYPE(n) != varargslist)
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3428 return 0;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3429 /* varargslist:
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3430 (fpdef ['=' test] ',')* '*' ....... |
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3431 fpdef ['=' test] (',' fpdef ['=' test])* [','] */
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3432 nch = NCH(n);
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3433 nargs = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3434 ndefs = 0;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3435 for (i = 0; i < nch; i++) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3436 int t;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3437 if (TYPE(CHILD(n, i)) == STAR ||
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3438 TYPE(CHILD(n, i)) == DOUBLESTAR)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
3439 break;
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3440 nargs++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3441 i++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3442 if (i >= nch)
3103
e51e17b2d88b fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
3443 t = RPAR; /* Anything except EQUAL or COMMA */
e51e17b2d88b fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
3444 else
e51e17b2d88b fix bug with missing default for last arg (discovered by Tommy Burnette)
Guido van Rossum <guido@python.org>
parents: 2844
diff changeset
3445 t = TYPE(CHILD(n, i));
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3446 if (t == EQUAL) {
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3447 i++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3448 ndefs++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3449 com_node(c, CHILD(n, i));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3450 i++;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3451 if (i >= nch)
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3452 break;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3453 t = TYPE(CHILD(n, i));
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3454 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3455 else {
9214
c259c3c4d0cc Treat def f(a, b=1, c): ... as an error (missing default for c)
Guido van Rossum <guido@python.org>
parents: 9049
diff changeset
3456 /* Treat "(a=1, b)" as an error */
c259c3c4d0cc Treat def f(a, b=1, c): ... as an error (missing default for c)
Guido van Rossum <guido@python.org>
parents: 9049
diff changeset
3457 if (ndefs)
c259c3c4d0cc Treat def f(a, b=1, c): ... as an error (missing default for c)
Guido van Rossum <guido@python.org>
parents: 9049
diff changeset
3458 com_error(c, PyExc_SyntaxError,
9215
1995cdbe3384 Eh, better error message for the previous change. It now says
Guido van Rossum <guido@python.org>
parents: 9214
diff changeset
3459 "non-default argument follows default argument");
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3460 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3461 if (t != COMMA)
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3462 break;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3463 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3464 return ndefs;
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3465 }
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3466
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3467 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3468 com_funcdef(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3469 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3470 PyObject *co;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3471 int ndefs;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3472 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ':' suite */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3473 ndefs = com_argdefs(c, n);
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3474 symtable_enter_scope(c->c_symtable, STR(CHILD(n, 1)), TYPE(n),
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3475 n->n_lineno);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3476 co = (PyObject *)icompile(n, c);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3477 symtable_exit_scope(c->c_symtable);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3478 if (co == NULL)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3479 c->c_errors++;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3480 else {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3481 int closure = com_make_closure(c, (PyCodeObject *)co);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3482 int i = com_addconst(c, co);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3483 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3484 com_push(c, 1);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3485 if (closure)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3486 com_addoparg(c, MAKE_CLOSURE, ndefs);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3487 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3488 com_addoparg(c, MAKE_FUNCTION, ndefs);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3489 com_pop(c, ndefs);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3490 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 1)));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3491 com_pop(c, 1);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3492 Py_DECREF(co);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3493 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3494 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3495
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3496 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3497 com_bases(struct compiling *c, node *n)
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3498 {
744
834dd4a77ee2 fix what lint found
Guido van Rossum <guido@python.org>
parents: 703
diff changeset
3499 int i;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3500 REQ(n, testlist);
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3501 /* testlist: test (',' test)* [','] */
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3502 for (i = 0; i < NCH(n); i += 2)
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3503 com_node(c, CHILD(n, i));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3504 i = (NCH(n)+1) / 2;
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3505 com_addoparg(c, BUILD_TUPLE, i);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3506 com_pop(c, i-1);
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3507 }
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3508
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3509 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3510 com_classdef(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3511 {
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3512 int i;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3513 PyObject *co, *v;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3514 char *name;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3515
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3516 REQ(n, classdef);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3517 /* classdef: class NAME ['(' testlist ')'] ':' suite */
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
3518 if ((v = PyString_InternFromString(STR(CHILD(n, 1)))) == NULL) {
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3519 c->c_errors++;
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3520 return;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3521 }
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3522 /* Push the class name on the stack */
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3523 i = com_addconst(c, v);
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3524 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3525 com_push(c, 1);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3526 Py_DECREF(v);
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3527 /* Push the tuple of base classes on the stack */
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3528 if (TYPE(CHILD(n, 2)) != LPAR) {
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3529 com_addoparg(c, BUILD_TUPLE, 0);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3530 com_push(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3531 }
1288
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3532 else
9fed5726a36d Several changes in one:
Guido van Rossum <guido@python.org>
parents: 1262
diff changeset
3533 com_bases(c, CHILD(n, 3));
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3534 name = STR(CHILD(n, 1));
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3535 symtable_enter_scope(c->c_symtable, name, TYPE(n), n->n_lineno);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3536 co = (PyObject *)icompile(n, c);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3537 symtable_exit_scope(c->c_symtable);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3538 if (co == NULL)
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3539 c->c_errors++;
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3540 else {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3541 int closure = com_make_closure(c, (PyCodeObject *)co);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3542 i = com_addconst(c, co);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3543 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3544 com_push(c, 1);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3545 if (closure)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3546 com_addoparg(c, MAKE_CLOSURE, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3547 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3548 com_addoparg(c, MAKE_FUNCTION, 0);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3549 com_addoparg(c, CALL_FUNCTION, 0);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3550 com_addbyte(c, BUILD_CLASS);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3551 com_pop(c, 2);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3552 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 1)));
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3553 Py_DECREF(co);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3554 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3555 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3556
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3557 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3558 com_node(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3559 {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3560 loop:
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
3561 if (c->c_errors)
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
3562 return;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3563 switch (TYPE(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3564
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3565 /* Definition nodes */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3566
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3567 case funcdef:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3568 com_funcdef(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3569 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3570 case classdef:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3571 com_classdef(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3572 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3573
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3574 /* Trivial parse tree nodes */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3575
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3576 case stmt:
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3577 case small_stmt:
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3578 case flow_stmt:
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3579 n = CHILD(n, 0);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3580 goto loop;
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3581
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3582 case simple_stmt:
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3583 /* small_stmt (';' small_stmt)* [';'] NEWLINE */
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3584 com_addoparg(c, SET_LINENO, n->n_lineno);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3585 {
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3586 int i;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3587 for (i = 0; i < NCH(n)-1; i += 2)
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3588 com_node(c, CHILD(n, i));
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3589 }
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3590 break;
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3591
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3592 case compound_stmt:
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3593 com_addoparg(c, SET_LINENO, n->n_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3594 n = CHILD(n, 0);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3595 goto loop;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3596
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3597 /* Statement nodes */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3598
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3599 case expr_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3600 com_expr_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3601 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3602 case print_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3603 com_print_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3604 break;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3605 case del_stmt: /* 'del' exprlist */
14163
1b9fd0cbd914 Support for three-token characters (**=, >>=, <<=) which was written by
Thomas Wouters <thomas@python.org>
parents: 14147
diff changeset
3606 com_assign(c, CHILD(n, 1), OP_DELETE, NULL);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3607 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3608 case pass_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3609 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3610 case break_stmt:
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3611 if (c->c_loops == 0) {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3612 com_error(c, PyExc_SyntaxError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3613 "'break' outside loop");
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3614 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3615 com_addbyte(c, BREAK_LOOP);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3616 break;
317
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3617 case continue_stmt:
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3618 com_continue_stmt(c, n);
325b40d77235 New syntax: semicolons, continue statement.
Guido van Rossum <guido@python.org>
parents: 303
diff changeset
3619 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3620 case return_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3621 com_return_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3622 break;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
3623 case yield_stmt:
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
3624 com_yield_stmt(c, n);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
3625 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3626 case raise_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3627 com_raise_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3628 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3629 case import_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3630 com_import_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3631 break;
466
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3632 case global_stmt:
90cbcb0b97dc Implement 'global' and new class syntax.
Guido van Rossum <guido@python.org>
parents: 409
diff changeset
3633 break;
1354
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
3634 case exec_stmt:
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
3635 com_exec_stmt(c, n);
fccd415e2eb8 * bltinmodule.c: removed exec() built-in function.
Guido van Rossum <guido@python.org>
parents: 1319
diff changeset
3636 break;
5233
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
3637 case assert_stmt:
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
3638 com_assert_stmt(c, n);
b749d2dd7582 Added assert statement.
Guido van Rossum <guido@python.org>
parents: 5197
diff changeset
3639 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3640 case if_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3641 com_if_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3642 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3643 case while_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3644 com_while_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3645 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3646 case for_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3647 com_for_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3648 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3649 case try_stmt:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3650 com_try_stmt(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3651 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3652 case suite:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3653 com_suite(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3654 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3655
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3656 /* Expression nodes */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3657
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3658 case testlist:
482
ee899a81570d New argument passing.
Guido van Rossum <guido@python.org>
parents: 466
diff changeset
3659 com_list(c, n, 0);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3660 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3661 case test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3662 com_test(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3663 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3664 case and_test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3665 com_and_test(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3666 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3667 case not_test:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3668 com_not_test(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3669 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3670 case comparison:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3671 com_comparison(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3672 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3673 case exprlist:
482
ee899a81570d New argument passing.
Guido van Rossum <guido@python.org>
parents: 466
diff changeset
3674 com_list(c, n, 0);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3675 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3676 case expr:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3677 com_expr(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3678 break;
409
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3679 case xor_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3680 com_xor_expr(c, n);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3681 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3682 case and_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3683 com_and_expr(c, n);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3684 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3685 case shift_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3686 com_shift_expr(c, n);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3687 break;
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3688 case arith_expr:
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3689 com_arith_expr(c, n);
b5fe6482072f Added shift and mask ops.
Guido van Rossum <guido@python.org>
parents: 388
diff changeset
3690 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3691 case term:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3692 com_term(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3693 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3694 case factor:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3695 com_factor(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3696 break;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3697 case power:
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3698 com_power(c, n);
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3699 break;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3700 case atom:
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3701 com_atom(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3702 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3703
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3704 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3705 com_error(c, PyExc_SystemError,
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3706 "com_node: unexpected node type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3707 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3708 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3709
13447
a89f7f268de4 Nuke all remaining occurrences of Py_PROTO and Py_FPROTO.
Tim Peters <tim.peters@gmail.com>
parents: 13330
diff changeset
3710 static void com_fplist(struct compiling *, node *);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3711
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3712 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3713 com_fpdef(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3714 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3715 REQ(n, fpdef); /* fpdef: NAME | '(' fplist ')' */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3716 if (TYPE(CHILD(n, 0)) == LPAR)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3717 com_fplist(c, CHILD(n, 1));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3718 else {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3719 com_addop_varname(c, VAR_STORE, STR(CHILD(n, 0)));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3720 com_pop(c, 1);
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3721 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3722 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3723
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3724 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3725 com_fplist(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3726 {
544
d0baa8300005 Minor changes.
Guido van Rossum <guido@python.org>
parents: 493
diff changeset
3727 REQ(n, fplist); /* fplist: fpdef (',' fpdef)* [','] */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3728 if (NCH(n) == 1) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3729 com_fpdef(c, CHILD(n, 0));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3730 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3731 else {
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3732 int i = (NCH(n)+1)/2;
13930
4eaa463c031a Merge UNPACK_LIST and UNPACK_TUPLE into a single UNPACK_SEQUENCE, since they
Thomas Wouters <thomas@python.org>
parents: 13884
diff changeset
3733 com_addoparg(c, UNPACK_SEQUENCE, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3734 com_push(c, i-1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3735 for (i = 0; i < NCH(n); i += 2)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3736 com_fpdef(c, CHILD(n, i));
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3737 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3738 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3739
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3740 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3741 com_arglist(struct compiling *c, node *n)
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3742 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3743 int nch, i, narg;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3744 int complex = 0;
5754
9ed26afeeaa5 Fix bug reported by Just: anonymous arguments used for tuples should
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
3745 char nbuf[10];
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3746 REQ(n, varargslist);
617
755bb8efcc2d Use strtoul() for oct/hex constants.
Guido van Rossum <guido@python.org>
parents: 584
diff changeset
3747 /* varargslist:
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3748 (fpdef ['=' test] ',')* (fpdef ['=' test] | '*' .....) */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3749 nch = NCH(n);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3750 /* Enter all arguments in table of locals */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3751 for (i = 0, narg = 0; i < nch; i++) {
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3752 node *ch = CHILD(n, i);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3753 node *fp;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3754 if (TYPE(ch) == STAR || TYPE(ch) == DOUBLESTAR)
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
3755 break;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3756 REQ(ch, fpdef); /* fpdef: NAME | '(' fplist ')' */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3757 fp = CHILD(ch, 0);
17104
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
3758 if (TYPE(fp) != NAME) {
5754
9ed26afeeaa5 Fix bug reported by Just: anonymous arguments used for tuples should
Guido van Rossum <guido@python.org>
parents: 5610
diff changeset
3759 sprintf(nbuf, ".%d", i);
3766
516490c8192c Py_complex; and WITHOUT_COMPLEX added to getargs.c
Guido van Rossum <guido@python.org>
parents: 3366
diff changeset
3760 complex = 1;
2813
999b5bdc18ce 3rd arg for raise; INCOMPLETE keyword parameter passing (currently f(kw=value) is seen as f('kw', value))
Guido van Rossum <guido@python.org>
parents: 2367
diff changeset
3761 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3762 narg++;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3763 /* all name updates handled by symtable */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3764 if (++i >= nch)
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3765 break;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3766 ch = CHILD(n, i);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3767 if (TYPE(ch) == EQUAL)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3768 i += 2;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3769 else
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3770 REQ(ch, COMMA);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3771 }
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3772 if (complex) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3773 /* Generate code for complex arguments only after
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3774 having counted the simple arguments */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3775 int ilocal = 0;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3776 for (i = 0; i < nch; i++) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3777 node *ch = CHILD(n, i);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3778 node *fp;
3324
36920bbd81a8 changes for complex and power (**) operator
Guido van Rossum <guido@python.org>
parents: 3166
diff changeset
3779 if (TYPE(ch) == STAR || TYPE(ch) == DOUBLESTAR)
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3780 break;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3781 REQ(ch, fpdef); /* fpdef: NAME | '(' fplist ')' */
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3782 fp = CHILD(ch, 0);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3783 if (TYPE(fp) != NAME) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3784 com_addoparg(c, LOAD_FAST, ilocal);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3785 com_push(c, 1);
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3786 com_fpdef(c, ch);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3787 }
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3788 ilocal++;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3789 if (++i >= nch)
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3790 break;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3791 ch = CHILD(n, i);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3792 if (TYPE(ch) == EQUAL)
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3793 i += 2;
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3794 else
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3795 REQ(ch, COMMA);
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3796 }
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3797 }
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3798 }
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3799
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3800 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3801 com_file_input(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3802 {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3803 int i;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3804 PyObject *doc;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3805 REQ(n, file_input); /* (NEWLINE | stmt)* ENDMARKER */
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3806 doc = get_docstring(c, n);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3807 if (doc != NULL) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3808 int i = com_addconst(c, doc);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3809 Py_DECREF(doc);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3810 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3811 com_push(c, 1);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3812 com_addop_name(c, STORE_NAME, "__doc__");
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3813 com_pop(c, 1);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3814 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3815 for (i = 0; i < NCH(n); i++) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3816 node *ch = CHILD(n, i);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3817 if (TYPE(ch) != ENDMARKER && TYPE(ch) != NEWLINE)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3818 com_node(c, ch);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3819 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3820 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3821
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3822 /* Top-level compile-node interface */
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3823
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3824 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3825 compile_funcdef(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3826 {
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3827 PyObject *doc;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3828 node *ch;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3829 REQ(n, funcdef); /* funcdef: 'def' NAME parameters ':' suite */
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
3830 c->c_name = STR(CHILD(n, 1));
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3831 doc = get_docstring(c, CHILD(n, 4));
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3832 if (doc != NULL) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3833 (void) com_addconst(c, doc);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3834 Py_DECREF(doc);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3835 }
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3836 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3837 (void) com_addconst(c, Py_None); /* No docstring */
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3838 ch = CHILD(n, 2); /* parameters: '(' [varargslist] ')' */
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3839 ch = CHILD(ch, 1); /* ')' | varargslist */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3840 if (TYPE(ch) == varargslist)
584
37aa67f0867c Added varargs code.
Guido van Rossum <guido@python.org>
parents: 568
diff changeset
3841 com_arglist(c, ch);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3842 c->c_infunction = 1;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3843 com_node(c, CHILD(n, 4));
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3844 c->c_infunction = 0;
18243
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
3845 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
3846 com_push(c, 1);
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
3847 com_addbyte(c, RETURN_VALUE);
47717e5667eb Change the semantics of "return" in generators, as discussed on the
Tim Peters <tim.peters@gmail.com>
parents: 18228
diff changeset
3848 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3849 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3850
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3851 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3852 compile_lambdef(struct compiling *c, node *n)
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3853 {
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3854 node *ch;
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3855 REQ(n, lambdef); /* lambdef: 'lambda' [varargslist] ':' test */
2005
ed5d0ad5ea2f set name to <lambda> instead of None for lambdas
Guido van Rossum <guido@python.org>
parents: 1833
diff changeset
3856 c->c_name = "<lambda>";
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3857
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3858 ch = CHILD(n, 1);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3859 (void) com_addconst(c, Py_None); /* No docstring */
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3860 if (TYPE(ch) == varargslist) {
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3861 com_arglist(c, ch);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3862 ch = CHILD(n, 3);
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3863 }
2844
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3864 else
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3865 ch = CHILD(n, 2);
0261bf5b3819 keyword arguments and faster calls
Guido van Rossum <guido@python.org>
parents: 2813
diff changeset
3866 com_node(c, ch);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3867 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3868 com_pop(c, 1);
1369
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3869 }
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3870
89e1e5d9ccbf * compile.[ch]: support for lambda()
Guido van Rossum <guido@python.org>
parents: 1364
diff changeset
3871 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3872 compile_classdef(struct compiling *c, node *n)
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3873 {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3874 node *ch;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3875 PyObject *doc;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3876 REQ(n, classdef);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3877 /* classdef: 'class' NAME ['(' testlist ')'] ':' suite */
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3878 c->c_name = STR(CHILD(n, 1));
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
3879 c->c_private = c->c_name;
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3880 ch = CHILD(n, NCH(n)-1); /* The suite */
19343
7257e87e0720 Patch #445762: Support --disable-unicode
Martin v. Löwis <martin@v.loewis.de>
parents: 19252
diff changeset
3881 doc = get_docstring(c, ch);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3882 if (doc != NULL) {
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3883 int i = com_addconst(c, doc);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3884 Py_DECREF(doc);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3885 com_addoparg(c, LOAD_CONST, i);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3886 com_push(c, 1);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
3887 com_addop_name(c, STORE_NAME, "__doc__");
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3888 com_pop(c, 1);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3889 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3890 else
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3891 (void) com_addconst(c, Py_None);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3892 com_node(c, ch);
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3893 com_addbyte(c, LOAD_LOCALS);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3894 com_push(c, 1);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3895 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3896 com_pop(c, 1);
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3897 }
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3898
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3899 static void
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3900 compile_node(struct compiling *c, node *n)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3901 {
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3902 com_addoparg(c, SET_LINENO, n->n_lineno);
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3903
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3904 switch (TYPE(n)) {
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3905
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3906 case single_input: /* One interactive command */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3907 /* NEWLINE | simple_stmt | compound_stmt NEWLINE */
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3908 c->c_interactive++;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3909 n = CHILD(n, 0);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3910 if (TYPE(n) != NEWLINE)
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3911 com_node(c, n);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3912 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3913 com_push(c, 1);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3914 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3915 com_pop(c, 1);
1833
39a4c15acb32 * Python/compile.c (com_argdefs, com_arglist): avoid referencing
Guido van Rossum <guido@python.org>
parents: 1417
diff changeset
3916 c->c_interactive--;
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3917 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3918
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3919 case file_input: /* A whole file, or built-in function exec() */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3920 com_file_input(c, n);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3921 com_addoparg(c, LOAD_CONST, com_addconst(c, Py_None));
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3922 com_push(c, 1);
86
a6934380c6e7 "Compiling" version
Guido van Rossum <guido@python.org>
parents: 73
diff changeset
3923 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3924 com_pop(c, 1);
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3925 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3926
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3927 case eval_input: /* Built-in function input() */
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3928 com_node(c, CHILD(n, 0));
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3929 com_addbyte(c, RETURN_VALUE);
4991
8276916e1ea8 Add co_stacksize field to codeobject structure, and stacksize argument
Guido van Rossum <guido@python.org>
parents: 4905
diff changeset
3930 com_pop(c, 1);
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3931 break;
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3932
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3933 case lambdef: /* anonymous function definition */
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3934 compile_lambdef(c, n);
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3935 break;
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
3936
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3937 case funcdef: /* A function definition */
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3938 compile_funcdef(c, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3939 break;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3940
120
c9a5fe1660f5 Fix bug in input(); add comments to cases in compile().
Guido van Rossum <guido@python.org>
parents: 86
diff changeset
3941 case classdef: /* A class definition */
2089
53aa51433f7f Two independent chages:
Guido van Rossum <guido@python.org>
parents: 2062
diff changeset
3942 compile_classdef(c, n);
73
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3943 break;
3028acaa56b0 Compile class definitions.
Guido van Rossum <guido@python.org>
parents: 69
diff changeset
3944
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3945 default:
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3946 com_error(c, PyExc_SystemError,
4315
46d736fb9da3 Added line number to most compile-time error messages.
Guido van Rossum <guido@python.org>
parents: 4131
diff changeset
3947 "compile_node: unexpected node type");
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3948 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3949 }
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3950
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3951 static PyObject *
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3952 dict_keys_inorder(PyObject *dict, int offset)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3953 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3954 PyObject *tuple, *k, *v;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3955 int i, pos = 0, size = PyDict_Size(dict);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3956
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3957 tuple = PyTuple_New(size);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3958 if (tuple == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3959 return NULL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3960 while (PyDict_Next(dict, &pos, &k, &v)) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3961 i = PyInt_AS_LONG(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3962 Py_INCREF(k);
17078
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
3963 assert((i - offset) < size);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3964 PyTuple_SET_ITEM(tuple, i - offset, k);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3965 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3966 return tuple;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3967 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
3968
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
3969 PyCodeObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
3970 PyNode_Compile(node *n, char *filename)
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
3971 {
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
3972 return PyNode_CompileFlags(n, filename, NULL);
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
3973 }
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
3974
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
3975 PyCodeObject *
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
3976 PyNode_CompileFlags(node *n, char *filename, PyCompilerFlags *flags)
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
3977 {
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
3978 return jcompile(n, filename, NULL, flags);
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
3979 }
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
3980
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3981 struct symtable *
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3982 PyNode_CompileSymtable(node *n, char *filename)
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3983 {
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3984 struct symtable *st;
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3985 PyFutureFeatures *ff;
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3986
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3987 ff = PyNode_Future(n, filename);
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3988 if (ff == NULL)
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3989 return NULL;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
3990 st = symtable_init();
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3991 if (st == NULL)
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3992 return NULL;
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3993 st->st_future = ff;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3994 symtable_enter_scope(st, TOP, TYPE(n), n->n_lineno);
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3995 if (st->st_errors > 0)
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3996 goto fail;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
3997 symtable_node(st, n);
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3998 if (st->st_errors > 0)
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
3999 goto fail;
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4000
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4001 return st;
17112
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4002 fail:
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4003 PyMem_Free((void *)ff);
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4004 st->st_future = NULL;
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4005 PySymtable_Free(st);
76eab2ebce58 Update PyNode_CompileSymtable() to understand future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17104
diff changeset
4006 return NULL;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4007 }
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4008
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4009 static PyCodeObject *
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
4010 icompile(node *n, struct compiling *base)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4011 {
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4012 return jcompile(n, base->c_filename, base, NULL);
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4013 }
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4014
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4015 static PyCodeObject *
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4016 jcompile(node *n, char *filename, struct compiling *base,
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4017 PyCompilerFlags *flags)
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4018 {
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4019 struct compiling sc;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4020 PyCodeObject *co;
1415
06570429f062 * import.c (get_module): pass .py filename to parse_file, not .pyc filename!
Guido van Rossum <guido@python.org>
parents: 1405
diff changeset
4021 if (!com_init(&sc, filename))
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4022 return NULL;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4023 if (base) {
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4024 sc.c_private = base->c_private;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4025 sc.c_symtable = base->c_symtable;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4026 /* c_symtable still points to parent's symbols */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4027 if (base->c_nested
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4028 || (sc.c_symtable->st_cur->ste_type == TYPE_FUNCTION))
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4029 sc.c_nested = 1;
19051
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
4030 sc.c_flags |= base->c_flags & (CO_GENERATOR_ALLOWED |
f20727cc3d0f Implement PEP 238 in its (almost) full glory.
Guido van Rossum <guido@python.org>
parents: 19021
diff changeset
4031 CO_FUTURE_DIVISION);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4032 } else {
4129
eedaa59341b9 Name mangling, what the heck!
Guido van Rossum <guido@python.org>
parents: 4003
diff changeset
4033 sc.c_private = NULL;
16799
08d937107fe6 Improved __future__ parser; still more to do
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16783
diff changeset
4034 sc.c_future = PyNode_Future(n, filename);
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4035 if (sc.c_future == NULL) {
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4036 com_free(&sc);
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4037 return NULL;
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4038 }
19252
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4039 if (flags) {
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4040 int merged = sc.c_future->ff_features |
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4041 flags->cf_flags;
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4042 sc.c_future->ff_features = merged;
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4043 flags->cf_flags = merged;
fbf1ae769306 Fix SF bug [ #450909 ] __future__.division fails at prompt
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19187
diff changeset
4044 }
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
4045 if (symtable_build(&sc, n) < 0) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4046 com_free(&sc);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4047 return NULL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4048 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4049 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4050 co = NULL;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4051 if (symtable_load_symbols(&sc) < 0) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4052 sc.c_errors++;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4053 goto exit;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4054 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4055 compile_node(&sc, n);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4056 com_done(&sc);
1257
1cabc2b6c970 * Changed all copyright messages to include 1993.
Guido van Rossum <guido@python.org>
parents: 1029
diff changeset
4057 if (sc.c_errors == 0) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4058 PyObject *consts, *names, *varnames, *filename, *name,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4059 *freevars, *cellvars;
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4060 consts = PyList_AsTuple(sc.c_consts);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4061 names = PyList_AsTuple(sc.c_names);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4062 varnames = PyList_AsTuple(sc.c_varnames);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4063 cellvars = dict_keys_inorder(sc.c_cellvars, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4064 freevars = dict_keys_inorder(sc.c_freevars,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4065 PyTuple_GET_SIZE(cellvars));
5009
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
4066 filename = PyString_InternFromString(sc.c_filename);
402e36c83d20 Intern all names and varnames in newcodeobject(), plus those string
Guido van Rossum <guido@python.org>
parents: 4991
diff changeset
4067 name = PyString_InternFromString(sc.c_name);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4068 if (!PyErr_Occurred())
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4069 co = PyCode_New(sc.c_argcount,
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4070 sc.c_nlocals,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4071 sc.c_maxstacklevel,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4072 sc.c_flags,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4073 sc.c_code,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4074 consts,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4075 names,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4076 varnames,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4077 freevars,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4078 cellvars,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4079 filename,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4080 name,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4081 sc.c_firstlineno,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4082 sc.c_lnotab);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4083 Py_XDECREF(consts);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4084 Py_XDECREF(names);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4085 Py_XDECREF(varnames);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4086 Py_XDECREF(freevars);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4087 Py_XDECREF(cellvars);
5373
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4088 Py_XDECREF(filename);
5880384d7c71 Quickly renamed the remaining files -- this directory is done.
Guido van Rossum <guido@python.org>
parents: 5287
diff changeset
4089 Py_XDECREF(name);
266
b5826bf29677 Changed and exported newcodeobject() interface, for ".pyc" files.
Guido van Rossum <guido@python.org>
parents: 238
diff changeset
4090 }
13884
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4091 else if (!PyErr_Occurred()) {
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4092 /* This could happen if someone called PyErr_Clear() after an
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4093 error was reported above. That's not supposed to happen,
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4094 but I just plugged one case and I'm not sure there can't be
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4095 others. In that case, raise SystemError so that at least
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4096 it gets reported instead dumping core. */
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4097 PyErr_SetString(PyExc_SystemError, "lost syntax error");
8eeaff96b4c2 When returning an error from jcompile() (which is passed through by
Guido van Rossum <guido@python.org>
parents: 13873
diff changeset
4098 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4099 exit:
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4100 if (base == NULL) {
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4101 PySymtable_Free(sc.c_symtable);
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4102 sc.c_symtable = NULL;
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4103 }
69
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4104 com_free(&sc);
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4105 return co;
cccd534f2280 Initial revision
Guido van Rossum <guido@python.org>
parents:
diff changeset
4106 }
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4107
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4108 int
13658
f79434ee41fa Mass ANSIfication of function definitions. Doesn't cover all 'extern'
Thomas Wouters <thomas@python.org>
parents: 13585
diff changeset
4109 PyCode_Addr2Line(PyCodeObject *co, int addrq)
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4110 {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4111 int size = PyString_Size(co->co_lnotab) / 2;
11290
ccdf5dc2acf6 Tim Peters writes:
Guido van Rossum <guido@python.org>
parents: 9987
diff changeset
4112 unsigned char *p = (unsigned char*)PyString_AsString(co->co_lnotab);
5041
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4113 int line = co->co_firstlineno;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4114 int addr = 0;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4115 while (--size >= 0) {
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4116 addr += *p++;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4117 if (addr > addrq)
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4118 break;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4119 line += *p++;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4120 }
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4121 return line;
c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number
Guido van Rossum <guido@python.org>
parents: 5011
diff changeset
4122 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4123
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4124 /* The test for LOCAL must come before the test for FREE in order to
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4125 handle classes where name is both local and free. The local var is
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4126 a method and the free var is a free var referenced within a method.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4127 */
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4128
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4129 static int
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4130 get_ref_type(struct compiling *c, char *name)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4131 {
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4132 char buf[350];
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4133 PyObject *v;
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4134
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4135 if (PyDict_GetItemString(c->c_cellvars, name) != NULL)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4136 return CELL;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4137 if (PyDict_GetItemString(c->c_locals, name) != NULL)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4138 return LOCAL;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4139 if (PyDict_GetItemString(c->c_freevars, name) != NULL)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4140 return FREE;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4141 v = PyDict_GetItemString(c->c_globals, name);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4142 if (v) {
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4143 if (v == Py_None)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4144 return GLOBAL_EXPLICIT;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4145 else {
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4146 return GLOBAL_IMPLICIT;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4147 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4148 }
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4149 sprintf(buf,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4150 "unknown scope for %.100s in %.100s(%s) "
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4151 "in %s\nsymbols: %s\nlocals: %s\nglobals: %s\n",
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4152 name, c->c_name,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4153 PyObject_REPR(c->c_symtable->st_cur->ste_id),
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4154 c->c_filename,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4155 PyObject_REPR(c->c_symtable->st_cur->ste_symbols),
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4156 PyObject_REPR(c->c_locals),
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4157 PyObject_REPR(c->c_globals)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4158 );
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4159
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4160 Py_FatalError(buf);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4161 return -1;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4162 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4163
16933
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4164 /* Helper functions to issue warnings */
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4165
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4166 static int
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4167 issue_warning(char *msg, char *filename, int lineno)
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4168 {
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4169 if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, filename,
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4170 lineno, NULL, NULL) < 0) {
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4171 if (PyErr_ExceptionMatches(PyExc_SyntaxWarning)) {
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4172 PyErr_SetString(PyExc_SyntaxError, msg);
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4173 PyErr_SyntaxLocation(filename, lineno);
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4174 }
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4175 return -1;
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4176 }
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4177 return 0;
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4178 }
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4179
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4180 static int
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4181 symtable_warn(struct symtable *st, char *msg)
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4182 {
16933
b046a31af2e0 Refactored the warning-issuing code more.
Guido van Rossum <guido@python.org>
parents: 16916
diff changeset
4183 if (issue_warning(msg, st->st_filename, st->st_cur->ste_lineno) < 0) {
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4184 st->st_errors++;
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4185 return -1;
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4186 }
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4187 return 0;
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4188 }
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
4189
16831
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
4190 /* Helper function for setting lineno and filename */
27f04d714ecb Print the offending line of code in the traceback for SyntaxErrors
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16823
diff changeset
4191
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4192 static int
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4193 symtable_build(struct compiling *c, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4194 {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4195 if ((c->c_symtable = symtable_init()) == NULL)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4196 return -1;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4197 c->c_symtable->st_future = c->c_future;
16428
6496844c4a42 Fix symbol table pass to generation SyntaxError exceptions that
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16421
diff changeset
4198 c->c_symtable->st_filename = c->c_filename;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4199 symtable_enter_scope(c->c_symtable, TOP, TYPE(n), n->n_lineno);
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4200 if (c->c_symtable->st_errors > 0)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4201 return -1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4202 symtable_node(c->c_symtable, n);
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4203 if (c->c_symtable->st_errors > 0)
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4204 return -1;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4205 /* reset for second pass */
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4206 c->c_symtable->st_nscopes = 1;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4207 c->c_symtable->st_pass = 2;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4208 return 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4209 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4210
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4211 static int
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4212 symtable_init_compiling_symbols(struct compiling *c)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4213 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4214 PyObject *varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4215
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4216 varnames = c->c_symtable->st_cur->ste_varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4217 if (varnames == NULL) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4218 varnames = PyList_New(0);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4219 if (varnames == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4220 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4221 c->c_symtable->st_cur->ste_varnames = varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4222 Py_INCREF(varnames);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4223 } else
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4224 Py_INCREF(varnames);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4225 c->c_varnames = varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4226
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4227 c->c_globals = PyDict_New();
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4228 if (c->c_globals == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4229 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4230 c->c_freevars = PyDict_New();
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4231 if (c->c_freevars == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4232 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4233 c->c_cellvars = PyDict_New();
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4234 if (c->c_cellvars == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4235 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4236 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4237 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4238
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4239 struct symbol_info {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4240 int si_nlocals;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4241 int si_ncells;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4242 int si_nfrees;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4243 int si_nimplicit;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4244 };
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4245
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4246 static void
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4247 symtable_init_info(struct symbol_info *si)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4248 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4249 si->si_nlocals = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4250 si->si_ncells = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4251 si->si_nfrees = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4252 si->si_nimplicit = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4253 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4254
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4255 static int
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4256 symtable_resolve_free(struct compiling *c, PyObject *name, int flags,
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4257 struct symbol_info *si)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4258 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4259 PyObject *dict, *v;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4260
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4261 /* Seperate logic for DEF_FREE. If it occurs in a function,
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4262 it indicates a local that we must allocate storage for (a
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4263 cell var). If it occurs in a class, then the class has a
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4264 method and a free variable with the same name.
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4265 */
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4266 if (c->c_symtable->st_cur->ste_type == TYPE_FUNCTION) {
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4267 /* If it isn't declared locally, it can't be a cell. */
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4268 if (!(flags & (DEF_LOCAL | DEF_PARAM)))
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4269 return 0;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4270 v = PyInt_FromLong(si->si_ncells++);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4271 dict = c->c_cellvars;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4272 } else {
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4273 /* If it is free anyway, then there is no need to do
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4274 anything here.
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4275 */
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4276 if (is_free(flags ^ DEF_FREE_CLASS)
17702
e3f0fd38c24b Several small changes. Mostly reformatting, adding parens.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
4277 || (flags == DEF_FREE_CLASS))
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4278 return 0;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4279 v = PyInt_FromLong(si->si_nfrees++);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4280 dict = c->c_freevars;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4281 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4282 if (v == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4283 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4284 if (PyDict_SetItem(dict, name, v) < 0) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4285 Py_DECREF(v);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4286 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4287 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4288 Py_DECREF(v);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4289 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4290 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4291
17104
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4292 /* If a variable is a cell and an argument, make sure that appears in
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4293 co_cellvars before any variable to its right in varnames.
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4294 */
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4295
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4296
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4297 static int
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4298 symtable_cellvar_offsets(PyObject **cellvars, int argcount,
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4299 PyObject *varnames, int flags)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4300 {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4301 PyObject *v, *w, *d, *list = NULL;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4302 int i, pos;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4303
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4304 if (flags & CO_VARARGS)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4305 argcount++;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4306 if (flags & CO_VARKEYWORDS)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4307 argcount++;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4308 for (i = argcount; --i >= 0; ) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4309 v = PyList_GET_ITEM(varnames, i);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4310 if (PyDict_GetItem(*cellvars, v)) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4311 if (list == NULL) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4312 list = PyList_New(1);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4313 if (list == NULL)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4314 return -1;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4315 PyList_SET_ITEM(list, 0, v);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4316 Py_INCREF(v);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4317 } else
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4318 PyList_Insert(list, 0, v);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4319 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4320 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4321 if (list == NULL || PyList_GET_SIZE(list) == 0)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4322 return 0;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4323 /* There are cellvars that are also arguments. Create a dict
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4324 to replace cellvars and put the args at the front.
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4325 */
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4326 d = PyDict_New();
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4327 for (i = PyList_GET_SIZE(list); --i >= 0; ) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4328 v = PyInt_FromLong(i);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4329 if (v == NULL)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4330 goto fail;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4331 if (PyDict_SetItem(d, PyList_GET_ITEM(list, i), v) < 0)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4332 goto fail;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4333 if (PyDict_DelItem(*cellvars, PyList_GET_ITEM(list, i)) < 0)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4334 goto fail;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4335 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4336 pos = 0;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4337 i = PyList_GET_SIZE(list);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4338 Py_DECREF(list);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4339 while (PyDict_Next(*cellvars, &pos, &v, &w)) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4340 w = PyInt_FromLong(i++); /* don't care about the old key */
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4341 if (PyDict_SetItem(d, v, w) < 0) {
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4342 Py_DECREF(w);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4343 goto fail;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4344 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4345 Py_DECREF(w);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4346 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4347 Py_DECREF(*cellvars);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4348 *cellvars = d;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4349 return 1;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4350 fail:
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4351 Py_DECREF(d);
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4352 return -1;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4353 }
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4354
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4355 static int
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4356 symtable_freevar_offsets(PyObject *freevars, int offset)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4357 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4358 PyObject *name, *v;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4359 int pos;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4360
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4361 /* The cell vars are the first elements of the closure,
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4362 followed by the free vars. Update the offsets in
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4363 c_freevars to account for number of cellvars. */
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4364 pos = 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4365 while (PyDict_Next(freevars, &pos, &name, &v)) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4366 int i = PyInt_AS_LONG(v) + offset;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4367 PyObject *o = PyInt_FromLong(i);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4368 if (o == NULL)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4369 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4370 if (PyDict_SetItem(freevars, name, o) < 0) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4371 Py_DECREF(o);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4372 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4373 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4374 Py_DECREF(o);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4375 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4376 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4377 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4378
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4379 static int
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4380 symtable_check_unoptimized(struct compiling *c,
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4381 PySymtableEntryObject *ste,
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4382 struct symbol_info *si)
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4383 {
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4384 char buf[300];
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4385
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4386 if (!(si->si_ncells || si->si_nfrees || ste->ste_child_free
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4387 || (ste->ste_nested && si->si_nimplicit)))
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4388 return 0;
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4389
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4390 #define ILLEGAL_CONTAINS "contains a nested function with free variables"
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4391
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4392 #define ILLEGAL_IS "is a nested function"
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4393
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4394 #define ILLEGAL_IMPORT_STAR \
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4395 "import * is not allowed in function '%.100s' because it %s"
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4396
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4397 #define ILLEGAL_BARE_EXEC \
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4398 "unqualified exec is not allowed in function '%.100s' it %s"
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4399
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4400 #define ILLEGAL_EXEC_AND_IMPORT_STAR \
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4401 "function '%.100s' uses import * and bare exec, which are illegal" \
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4402 "because it %s"
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4403
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4404 /* XXX perhaps the linenos for these opt-breaking statements
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4405 should be stored so the exception can point to them. */
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4406
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4407 if (ste->ste_child_free) {
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4408 if (ste->ste_optimized == OPT_IMPORT_STAR)
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4409 sprintf(buf, ILLEGAL_IMPORT_STAR,
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4410 PyString_AS_STRING(ste->ste_name),
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4411 ILLEGAL_CONTAINS);
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4412 else if (ste->ste_optimized == (OPT_BARE_EXEC | OPT_EXEC))
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4413 sprintf(buf, ILLEGAL_BARE_EXEC,
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4414 PyString_AS_STRING(ste->ste_name),
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4415 ILLEGAL_CONTAINS);
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4416 else {
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4417 sprintf(buf, ILLEGAL_EXEC_AND_IMPORT_STAR,
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4418 PyString_AS_STRING(ste->ste_name),
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4419 ILLEGAL_CONTAINS);
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4420 }
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4421 } else {
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4422 if (ste->ste_optimized == OPT_IMPORT_STAR)
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4423 sprintf(buf, ILLEGAL_IMPORT_STAR,
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4424 PyString_AS_STRING(ste->ste_name),
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4425 ILLEGAL_IS);
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4426 else if (ste->ste_optimized == (OPT_BARE_EXEC | OPT_EXEC))
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4427 sprintf(buf, ILLEGAL_BARE_EXEC,
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4428 PyString_AS_STRING(ste->ste_name),
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4429 ILLEGAL_IS);
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4430 else {
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4431 sprintf(buf, ILLEGAL_EXEC_AND_IMPORT_STAR,
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4432 PyString_AS_STRING(ste->ste_name),
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4433 ILLEGAL_IS);
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4434 }
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4435 }
17131
1c90a1cf795c Make error messages clearer for illegal combinations of nested
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17124
diff changeset
4436
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4437 PyErr_SetString(PyExc_SyntaxError, buf);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4438 PyErr_SyntaxLocation(c->c_symtable->st_filename,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4439 ste->ste_opt_lineno);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4440 return -1;
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4441 }
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4442
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4443 static int
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4444 symtable_update_flags(struct compiling *c, PySymtableEntryObject *ste,
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4445 struct symbol_info *si)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4446 {
19158
97a3d3d7029f Refactor future feature handling
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19051
diff changeset
4447 if (c->c_future)
97a3d3d7029f Refactor future feature handling
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19051
diff changeset
4448 c->c_flags |= c->c_future->ff_features;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
4449 if (ste->ste_generator)
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
4450 c->c_flags |= CO_GENERATOR;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4451 if (ste->ste_type != TYPE_MODULE)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4452 c->c_flags |= CO_NEWLOCALS;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4453 if (ste->ste_type == TYPE_FUNCTION) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4454 c->c_nlocals = si->si_nlocals;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4455 if (ste->ste_optimized == 0)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4456 c->c_flags |= CO_OPTIMIZED;
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4457 else if (ste->ste_optimized != OPT_EXEC)
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4458 return symtable_check_unoptimized(c, ste, si);
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4459 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4460 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4461 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4462
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4463 static int
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4464 symtable_load_symbols(struct compiling *c)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4465 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4466 static PyObject *implicit = NULL;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4467 struct symtable *st = c->c_symtable;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4468 PySymtableEntryObject *ste = st->st_cur;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4469 PyObject *name, *varnames, *v;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4470 int i, flags, pos;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4471 struct symbol_info si;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4472
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4473 if (implicit == NULL) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4474 implicit = PyInt_FromLong(1);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4475 if (implicit == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4476 return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4477 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4478 v = NULL;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4479
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4480 if (symtable_init_compiling_symbols(c) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4481 goto fail;
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4482 symtable_init_info(&si);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4483 varnames = st->st_cur->ste_varnames;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4484 si.si_nlocals = PyList_GET_SIZE(varnames);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4485 c->c_argcount = si.si_nlocals;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4486
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4487 for (i = 0; i < si.si_nlocals; ++i) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4488 v = PyInt_FromLong(i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4489 if (PyDict_SetItem(c->c_locals,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4490 PyList_GET_ITEM(varnames, i), v) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4491 goto fail;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4492 Py_DECREF(v);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4493 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4494
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4495 /* XXX The cases below define the rules for whether a name is
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4496 local or global. The logic could probably be clearer. */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4497 pos = 0;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4498 while (PyDict_Next(ste->ste_symbols, &pos, &name, &v)) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4499 flags = PyInt_AS_LONG(v);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4500
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4501 if (flags & DEF_FREE_GLOBAL)
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4502 /* undo the original DEF_FREE */
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4503 flags &= ~(DEF_FREE | DEF_FREE_CLASS);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4504
17078
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4505 /* Deal with names that need two actions:
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4506 1. Cell variables that are also locals.
17078
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4507 2. Free variables in methods that are also class
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4508 variables or declared global.
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4509 */
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4510 if (flags & (DEF_FREE | DEF_FREE_CLASS))
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4511 symtable_resolve_free(c, name, flags, &si);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4512
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4513 if (flags & DEF_STAR) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4514 c->c_argcount--;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4515 c->c_flags |= CO_VARARGS;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4516 } else if (flags & DEF_DOUBLESTAR) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4517 c->c_argcount--;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4518 c->c_flags |= CO_VARKEYWORDS;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4519 } else if (flags & DEF_INTUPLE)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4520 c->c_argcount--;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4521 else if (flags & DEF_GLOBAL) {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4522 if (flags & DEF_PARAM) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4523 PyErr_Format(PyExc_SyntaxError, LOCAL_GLOBAL,
16428
6496844c4a42 Fix symbol table pass to generation SyntaxError exceptions that
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16421
diff changeset
4524 PyString_AS_STRING(name));
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
4525 PyErr_SyntaxLocation(st->st_filename,
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4526 ste->ste_lineno);
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4527 st->st_errors++;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4528 goto fail;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4529 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4530 if (PyDict_SetItem(c->c_globals, name, Py_None) < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4531 goto fail;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4532 } else if (flags & DEF_FREE_GLOBAL) {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4533 si.si_nimplicit++;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4534 if (PyDict_SetItem(c->c_globals, name, implicit) < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4535 goto fail;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4536 } else if ((flags & DEF_LOCAL) && !(flags & DEF_PARAM)) {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4537 v = PyInt_FromLong(si.si_nlocals++);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4538 if (v == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4539 goto fail;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4540 if (PyDict_SetItem(c->c_locals, name, v) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4541 goto fail;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4542 Py_DECREF(v);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4543 if (ste->ste_type != TYPE_CLASS)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4544 if (PyList_Append(c->c_varnames, name) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4545 goto fail;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4546 } else if (is_free(flags)) {
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4547 if (ste->ste_nested) {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4548 v = PyInt_FromLong(si.si_nfrees++);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4549 if (v == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4550 goto fail;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4551 if (PyDict_SetItem(c->c_freevars, name, v) < 0)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4552 goto fail;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4553 Py_DECREF(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4554 } else {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4555 si.si_nimplicit++;
19177
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4556 if (PyDict_SetItem(c->c_globals, name,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4557 implicit) < 0)
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4558 goto fail;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4559 if (st->st_nscopes != 1) {
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4560 v = PyInt_FromLong(flags);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4561 if (PyDict_SetItem(st->st_global,
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4562 name, v))
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4563 goto fail;
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4564 Py_DECREF(v);
50f88ee71d45 Remove st_nested_scopes from struct symtable,
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19160
diff changeset
4565 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4566 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4567 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4568 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4569
17637
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4570 assert(PyDict_Size(c->c_freevars) == si.si_nfrees);
8ff76cf30a8c Fix 2.1 nested scopes crash reported by Evan Simpson
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17597
diff changeset
4571
17104
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4572 if (si.si_ncells > 1) { /* one cell is always in order */
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4573 if (symtable_cellvar_offsets(&c->c_cellvars, c->c_argcount,
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4574 c->c_varnames, c->c_flags) < 0)
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4575 return -1;
a488a63cb867 Fix PyFrame_FastToLocals() and counterpart to deal with cells and
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17078
diff changeset
4576 }
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4577 if (symtable_freevar_offsets(c->c_freevars, si.si_ncells) < 0)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4578 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4579 return symtable_update_flags(c, ste, &si);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4580 fail:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4581 /* is this always the right thing to do? */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4582 Py_XDECREF(v);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4583 return -1;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4584 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4585
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4586 static struct symtable *
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4587 symtable_init()
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4588 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4589 struct symtable *st;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4590
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4591 st = (struct symtable *)PyMem_Malloc(sizeof(struct symtable));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4592 if (st == NULL)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4593 return NULL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4594 st->st_pass = 1;
19160
9d024ae05837 st_nested_scopes was uninitialized trash. Jeremy should fix in a better
Tim Peters <tim.peters@gmail.com>
parents: 19158
diff changeset
4595
16428
6496844c4a42 Fix symbol table pass to generation SyntaxError exceptions that
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16421
diff changeset
4596 st->st_filename = NULL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4597 if ((st->st_stack = PyList_New(0)) == NULL)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4598 goto fail;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4599 if ((st->st_symbols = PyDict_New()) == NULL)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4600 goto fail;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4601 st->st_cur = NULL;
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4602 st->st_nscopes = 0;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4603 st->st_errors = 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4604 st->st_tmpname = 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4605 st->st_private = NULL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4606 return st;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4607 fail:
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4608 PySymtable_Free(st);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4609 return NULL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4610 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4611
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4612 void
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4613 PySymtable_Free(struct symtable *st)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4614 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4615 Py_XDECREF(st->st_symbols);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4616 Py_XDECREF(st->st_stack);
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4617 Py_XDECREF(st->st_cur);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4618 PyMem_Free((void *)st);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4619 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4620
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4621 /* When the compiler exits a scope, it must should update the scope's
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4622 free variable information with the list of free variables in its
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4623 children.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4624
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4625 Variables that are free in children and defined in the current
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4626 scope are cellvars.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4627
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4628 If the scope being exited is defined at the top-level (ste_nested is
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4629 false), free variables in children that are not defined here are
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4630 implicit globals.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4631
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4632 */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4633
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4634 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4635 symtable_update_free_vars(struct symtable *st)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4636 {
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4637 int i, j, def;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4638 PyObject *o, *name, *list = NULL;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4639 PySymtableEntryObject *child, *ste = st->st_cur;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4640
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4641 if (ste->ste_type == TYPE_CLASS)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4642 def = DEF_FREE_CLASS;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4643 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4644 def = DEF_FREE;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4645 for (i = 0; i < PyList_GET_SIZE(ste->ste_children); ++i) {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4646 int pos = 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4647
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4648 if (list)
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4649 PyList_SetSlice(list, 0,
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4650 ((PyVarObject*)list)->ob_size, 0);
16754
23c7a0108f59 symtable_update_free_vars(), symtable_undo_free(),
Barry Warsaw <barry@python.org>
parents: 16753
diff changeset
4651 child = (PySymtableEntryObject *)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4652 PyList_GET_ITEM(ste->ste_children, i);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4653 while (PyDict_Next(child->ste_symbols, &pos, &name, &o)) {
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4654 int flags = PyInt_AS_LONG(o);
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4655 if (!(is_free(flags)))
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4656 continue; /* avoids indentation */
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4657 if (list == NULL) {
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4658 list = PyList_New(0);
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4659 if (list == NULL)
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4660 return -1;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4661 }
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4662 ste->ste_child_free = 1;
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4663 if (PyList_Append(list, name) < 0) {
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4664 Py_DECREF(list);
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4665 return -1;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4666 }
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4667 }
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4668 for (j = 0; list && j < PyList_GET_SIZE(list); j++) {
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4669 PyObject *v;
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4670 name = PyList_GET_ITEM(list, j);
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4671 v = PyDict_GetItem(ste->ste_symbols, name);
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4672 /* If a name N is declared global in scope A and
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4673 referenced in scope B contained (perhaps
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4674 indirectly) in A and there are no scopes
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4675 with bindings for N between B and A, then N
17702
e3f0fd38c24b Several small changes. Mostly reformatting, adding parens.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
4676 is global in B. Unless A is a class scope,
e3f0fd38c24b Several small changes. Mostly reformatting, adding parens.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
4677 because class scopes are not considered for
e3f0fd38c24b Several small changes. Mostly reformatting, adding parens.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17637
diff changeset
4678 nested scopes.
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4679 */
17078
7e181eba6b9b Fixup handling of free variables in methods when the class scope also
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17076
diff changeset
4680 if (v && (ste->ste_type != TYPE_CLASS)) {
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4681 int flags = PyInt_AS_LONG(v);
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4682 if (flags & DEF_GLOBAL) {
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4683 symtable_undo_free(st, child->ste_id,
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4684 name);
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4685 continue;
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4686 }
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4687 }
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4688 if (ste->ste_nested) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4689 if (symtable_add_def_o(st, ste->ste_symbols,
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4690 name, def) < 0) {
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4691 Py_DECREF(list);
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4692 return -1;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4693 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4694 } else {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4695 if (symtable_check_global(st, child->ste_id,
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4696 name) < 0) {
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4697 Py_DECREF(list);
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4698 return -1;
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4699 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4700 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4701 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4702 }
16571
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4703
2c6417ef4628 In symtable_update_free_vars() do not modify the dictionary while
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16540
diff changeset
4704 Py_XDECREF(list);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4705 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4706 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4707
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4708 /* If the current scope is a non-nested class or if name is not
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4709 defined in the current, non-nested scope, then it is an implicit
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4710 global in all nested scopes.
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4711 */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4712
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4713 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4714 symtable_check_global(struct symtable *st, PyObject *child, PyObject *name)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4715 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4716 PyObject *o;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4717 int v;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4718 PySymtableEntryObject *ste = st->st_cur;
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4719
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4720 if (ste->ste_type == TYPE_CLASS)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4721 return symtable_undo_free(st, child, name);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4722 o = PyDict_GetItem(ste->ste_symbols, name);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4723 if (o == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4724 return symtable_undo_free(st, child, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4725 v = PyInt_AS_LONG(o);
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4726
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4727 if (is_free(v) || (v & DEF_GLOBAL))
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4728 return symtable_undo_free(st, child, name);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4729 else
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4730 return symtable_add_def_o(st, ste->ste_symbols,
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4731 name, DEF_FREE);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4732 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4733
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4734 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4735 symtable_undo_free(struct symtable *st, PyObject *id,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4736 PyObject *name)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4737 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4738 int i, v, x;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4739 PyObject *info;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4740 PySymtableEntryObject *ste;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4741
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4742 ste = (PySymtableEntryObject *)PyDict_GetItem(st->st_symbols, id);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4743 if (ste == NULL)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4744 return -1;
16892
f27d3299df39 Fix core dump in example from Samuele Pedroni:
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16878
diff changeset
4745
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4746 info = PyDict_GetItem(ste->ste_symbols, name);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4747 if (info == NULL)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4748 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4749 v = PyInt_AS_LONG(info);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4750 if (is_free(v)) {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4751 if (symtable_add_def_o(st, ste->ste_symbols, name,
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4752 DEF_FREE_GLOBAL) < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4753 return -1;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4754 } else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4755 /* If the name is defined here or declared global,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4756 then the recursion stops. */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4757 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4758
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4759 for (i = 0; i < PyList_GET_SIZE(ste->ste_children); ++i) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4760 PySymtableEntryObject *child;
16754
23c7a0108f59 symtable_update_free_vars(), symtable_undo_free(),
Barry Warsaw <barry@python.org>
parents: 16753
diff changeset
4761 child = (PySymtableEntryObject *)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4762 PyList_GET_ITEM(ste->ste_children, i);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4763 x = symtable_undo_free(st, child->ste_id, name);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4764 if (x < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4765 return x;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4766 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4767 return 0;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4768 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4769
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4770 /* symtable_enter_scope() gets a reference via PySymtableEntry_New().
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4771 This reference is released when the scope is exited, via the DECREF
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4772 in symtable_exit_scope().
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4773 */
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4774
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4775 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4776 symtable_exit_scope(struct symtable *st)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4777 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4778 int end;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4779
16862
77a5470299db Add warning/error handlin for problematic nested scopes cases as
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16855
diff changeset
4780 if (st->st_pass == 1)
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4781 symtable_update_free_vars(st);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4782 Py_DECREF(st->st_cur);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4783 end = PyList_GET_SIZE(st->st_stack) - 1;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4784 st->st_cur = (PySymtableEntryObject *)PyList_GET_ITEM(st->st_stack,
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4785 end);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4786 if (PySequence_DelItem(st->st_stack, end) < 0)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4787 return -1;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4788 return 0;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4789 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4790
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4791 static void
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4792 symtable_enter_scope(struct symtable *st, char *name, int type,
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4793 int lineno)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4794 {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4795 PySymtableEntryObject *prev = NULL;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4796
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4797 if (st->st_cur) {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4798 prev = st->st_cur;
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4799 if (PyList_Append(st->st_stack, (PyObject *)st->st_cur) < 0) {
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4800 Py_DECREF(st->st_cur);
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4801 st->st_errors++;
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4802 return;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4803 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4804 }
16754
23c7a0108f59 symtable_update_free_vars(), symtable_undo_free(),
Barry Warsaw <barry@python.org>
parents: 16753
diff changeset
4805 st->st_cur = (PySymtableEntryObject *)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4806 PySymtableEntry_New(st, name, type, lineno);
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4807 if (strcmp(name, TOP) == 0)
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4808 st->st_global = st->st_cur->ste_symbols;
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4809 if (prev && st->st_pass == 1) {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4810 if (PyList_Append(prev->ste_children,
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4811 (PyObject *)st->st_cur) < 0)
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4812 st->st_errors++;
16753
51977af230fa Fix for bug 133489: compiler leaks memory
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16699
diff changeset
4813 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4814 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4815
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4816 static int
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4817 symtable_lookup(struct symtable *st, char *name)
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4818 {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4819 char buffer[MANGLE_LEN];
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4820 PyObject *v;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4821 int flags;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4822
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4823 if (mangle(st->st_private, name, buffer, sizeof(buffer)))
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4824 name = buffer;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4825 v = PyDict_GetItemString(st->st_cur->ste_symbols, name);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4826 if (v == NULL) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4827 if (PyErr_Occurred())
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4828 return -1;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4829 else
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4830 return 0;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4831 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4832
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4833 flags = PyInt_AS_LONG(v);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4834 return flags;
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4835 }
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4836
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4837 static int
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4838 symtable_add_def(struct symtable *st, char *name, int flag)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4839 {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4840 PyObject *s;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4841 char buffer[MANGLE_LEN];
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4842 int ret;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4843
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4844 if (mangle(st->st_private, name, buffer, sizeof(buffer)))
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4845 name = buffer;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4846 if ((s = PyString_InternFromString(name)) == NULL)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4847 return -1;
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4848 ret = symtable_add_def_o(st, st->st_cur->ste_symbols, s, flag);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4849 Py_DECREF(s);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
4850 return ret;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4851 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4852
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4853 /* Must only be called with mangled names */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4854
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4855 static int
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4856 symtable_add_def_o(struct symtable *st, PyObject *dict,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4857 PyObject *name, int flag)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4858 {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4859 PyObject *o;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4860 int val;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4861
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4862 if ((o = PyDict_GetItem(dict, name))) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4863 val = PyInt_AS_LONG(o);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4864 if ((flag & DEF_PARAM) && (val & DEF_PARAM)) {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
4865 PyErr_Format(PyExc_SyntaxError, DUPLICATE_ARGUMENT,
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
4866 PyString_AsString(name));
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
4867 PyErr_SyntaxLocation(st->st_filename,
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4868 st->st_cur->ste_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4869 return -1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4870 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4871 val |= flag;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4872 } else
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4873 val = flag;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4874 o = PyInt_FromLong(val);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4875 if (PyDict_SetItem(dict, name, o) < 0) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4876 Py_DECREF(o);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4877 return -1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4878 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4879 Py_DECREF(o);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4880
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4881 if (flag & DEF_PARAM) {
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16523
diff changeset
4882 if (PyList_Append(st->st_cur->ste_varnames, name) < 0)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4883 return -1;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4884 } else if (flag & DEF_GLOBAL) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4885 /* XXX need to update DEF_GLOBAL for other flags too;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4886 perhaps only DEF_FREE_GLOBAL */
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4887 if ((o = PyDict_GetItem(st->st_global, name))) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4888 val = PyInt_AS_LONG(o);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4889 val |= flag;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4890 } else
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4891 val = flag;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4892 o = PyInt_FromLong(val);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4893 if (PyDict_SetItem(st->st_global, name, o) < 0) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4894 Py_DECREF(o);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4895 return -1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4896 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4897 Py_DECREF(o);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4898 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4899 return 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4900 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4901
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
4902 #define symtable_add_use(ST, NAME) symtable_add_def((ST), (NAME), USE)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4903
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4904 /* Look for a yield stmt under n. Return 1 if found, else 0.
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4905 This hack is used to look inside "if 0:" blocks (which are normally
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4906 ignored) in case those are the only places a yield occurs (so that this
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4907 function is a generator). */
18274
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4908 static int
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4909 look_for_yield(node *n)
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4910 {
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4911 int i;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4912
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4913 for (i = 0; i < NCH(n); ++i) {
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4914 node *kid = CHILD(n, i);
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4915
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4916 switch (TYPE(kid)) {
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4917
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4918 case classdef:
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4919 case funcdef:
18333
41243cb4ea05 Another "if 0:" hack, this time to complain about otherwise invisible
Tim Peters <tim.peters@gmail.com>
parents: 18274
diff changeset
4920 case lambdef:
18274
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4921 /* Stuff in nested functions and classes can't make
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4922 the parent a generator. */
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4923 return 0;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4924
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4925 case yield_stmt:
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4926 return 1;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4927
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4928 default:
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4929 if (look_for_yield(kid))
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4930 return 1;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4931 }
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4932 }
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4933 return 0;
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4934 }
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4935
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4936 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4937 symtable_node(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4938 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4939 int i, start = 0;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4940
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4941 loop:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4942 switch (TYPE(n)) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4943 case funcdef: {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4944 char *func_name = STR(CHILD(n, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4945 symtable_add_def(st, func_name, DEF_LOCAL);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4946 symtable_default_args(st, CHILD(n, 2));
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4947 symtable_enter_scope(st, func_name, TYPE(n), n->n_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4948 symtable_funcdef(st, n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4949 symtable_exit_scope(st);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4950 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4951 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4952 case lambdef:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4953 if (NCH(n) == 4)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4954 symtable_default_args(st, CHILD(n, 1));
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4955 symtable_enter_scope(st, "lambda", TYPE(n), n->n_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4956 symtable_funcdef(st, n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4957 symtable_exit_scope(st);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4958 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4959 case classdef: {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4960 char *tmp, *class_name = STR(CHILD(n, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4961 symtable_add_def(st, class_name, DEF_LOCAL);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4962 if (TYPE(CHILD(n, 2)) == LPAR) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4963 node *bases = CHILD(n, 3);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4964 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4965 for (i = 0; i < NCH(bases); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4966 symtable_node(st, CHILD(bases, i));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4967 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4968 }
16421
aa844711463a Move a bunch of definitions that were internal to compile.c to
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16408
diff changeset
4969 symtable_enter_scope(st, class_name, TYPE(n), n->n_lineno);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4970 tmp = st->st_private;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4971 st->st_private = class_name;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4972 symtable_node(st, CHILD(n, NCH(n) - 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4973 st->st_private = tmp;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4974 symtable_exit_scope(st);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4975 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4976 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4977 case if_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4978 for (i = 0; i + 3 < NCH(n); i += 4) {
18274
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4979 if (is_constant_false(NULL, (CHILD(n, i + 1)))) {
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4980 if (st->st_cur->ste_generator == 0)
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4981 st->st_cur->ste_generator =
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4982 look_for_yield(CHILD(n, i+3));
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4983 continue;
18274
86dab0d43b73 SF bug #436207: "if 0: yield x" is ignored.
Tim Peters <tim.peters@gmail.com>
parents: 18243
diff changeset
4984 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4985 symtable_node(st, CHILD(n, i + 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4986 symtable_node(st, CHILD(n, i + 3));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4987 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4988 if (i + 2 < NCH(n))
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4989 symtable_node(st, CHILD(n, i + 2));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4990 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4991 case global_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4992 symtable_global(st, n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4993 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4994 case import_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4995 symtable_import(st, n);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4996 break;
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
4997 case exec_stmt: {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
4998 st->st_cur->ste_optimized |= OPT_EXEC;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
4999 symtable_node(st, CHILD(n, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5000 if (NCH(n) > 2)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5001 symtable_node(st, CHILD(n, 3));
17132
55218e0495bc Set the line number correctly for a nested function with an exec or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17131
diff changeset
5002 else {
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5003 st->st_cur->ste_optimized |= OPT_BARE_EXEC;
17132
55218e0495bc Set the line number correctly for a nested function with an exec or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17131
diff changeset
5004 st->st_cur->ste_opt_lineno = n->n_lineno;
55218e0495bc Set the line number correctly for a nested function with an exec or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17131
diff changeset
5005 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5006 if (NCH(n) > 4)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5007 symtable_node(st, CHILD(n, 5));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5008 break;
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5009
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5010 }
16680
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5011 case assert_stmt:
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5012 if (Py_OptimizeFlag)
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5013 return;
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5014 if (NCH(n) == 2) {
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5015 n = CHILD(n, 1);
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5016 goto loop;
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5017 } else {
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5018 symtable_node(st, CHILD(n, 1));
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5019 n = CHILD(n, 3);
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5020 goto loop;
17ed61fd5b65 When running python -O, do not include blocks defined in asserts in
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16677
diff changeset
5021 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5022 case except_clause:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5023 if (NCH(n) == 4)
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5024 symtable_assign(st, CHILD(n, 3), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5025 if (NCH(n) > 1) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5026 n = CHILD(n, 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5027 goto loop;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5028 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5029 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5030 case del_stmt:
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5031 symtable_assign(st, CHILD(n, 1), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5032 break;
18148
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
5033 case yield_stmt:
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
5034 st->st_cur->ste_generator = 1;
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
5035 n = CHILD(n, 1);
7bc473b2c654 Merging the gen-branch into the main line, at Guido's direction. Yay!
Tim Peters <tim.peters@gmail.com>
parents: 18065
diff changeset
5036 goto loop;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5037 case expr_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5038 if (NCH(n) == 1)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5039 n = CHILD(n, 0);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5040 else {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5041 if (TYPE(CHILD(n, 1)) == augassign) {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5042 symtable_assign(st, CHILD(n, 0), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5043 symtable_node(st, CHILD(n, 2));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5044 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5045 } else {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5046 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5047 for (i = 0; i < NCH(n) - 2; i += 2)
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5048 symtable_assign(st, CHILD(n, i), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5049 n = CHILD(n, NCH(n) - 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5050 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5051 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5052 goto loop;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5053 /* watchout for fall-through logic below */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5054 case argument:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5055 if (NCH(n) == 3) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5056 n = CHILD(n, 2);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5057 goto loop;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5058 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5059 case listmaker:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5060 if (NCH(n) > 1 && TYPE(CHILD(n, 1)) == list_for) {
17076
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5061 st->st_tmpname++;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5062 symtable_list_comprehension(st, CHILD(n, 1));
17076
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5063 symtable_node(st, CHILD(n, 0));
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5064 st->st_tmpname--;
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5065 return;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5066 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5067 case atom:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5068 if (TYPE(n) == atom && TYPE(CHILD(n, 0)) == NAME) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5069 symtable_add_use(st, STR(CHILD(n, 0)));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5070 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5071 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5072 case for_stmt:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5073 if (TYPE(n) == for_stmt) {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5074 symtable_assign(st, CHILD(n, 1), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5075 start = 3;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5076 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5077 default:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5078 if (NCH(n) == 1) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5079 n = CHILD(n, 0);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5080 goto loop;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5081 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5082 for (i = start; i < NCH(n); ++i)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5083 if (TYPE(CHILD(n, i)) >= single_input)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5084 symtable_node(st, CHILD(n, i));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5085 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5086 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5087
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5088 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5089 symtable_funcdef(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5090 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5091 node *body;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5092
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5093 if (TYPE(n) == lambdef) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5094 if (NCH(n) == 4)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5095 symtable_params(st, CHILD(n, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5096 } else
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5097 symtable_params(st, CHILD(n, 2));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5098 body = CHILD(n, NCH(n) - 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5099 symtable_node(st, body);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5100 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5101
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5102 /* The next two functions parse the argument tuple.
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5103 symtable_default_arg() checks for names in the default arguments,
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5104 which are references in the defining scope. symtable_params()
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5105 parses the parameter names, which are defined in the function's
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5106 body.
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5107
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5108 varargslist:
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5109 (fpdef ['=' test] ',')* ('*' NAME [',' '**' NAME] | '**' NAME)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5110 | fpdef ['=' test] (',' fpdef ['=' test])* [',']
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5111 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5112
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5113 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5114 symtable_default_args(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5115 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5116 node *c;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5117 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5118
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5119 if (TYPE(n) == parameters) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5120 n = CHILD(n, 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5121 if (TYPE(n) == RPAR)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5122 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5123 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5124 REQ(n, varargslist);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5125 for (i = 0; i < NCH(n); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5126 c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5127 if (TYPE(c) == STAR || TYPE(c) == DOUBLESTAR) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5128 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5129 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5130 if (i > 0 && (TYPE(CHILD(n, i - 1)) == EQUAL))
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5131 symtable_node(st, CHILD(n, i));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5132 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5133 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5134
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5135 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5136 symtable_params(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5137 {
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5138 int i, complex = -1, ext = 0;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5139 node *c = NULL;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5140
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5141 if (TYPE(n) == parameters) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5142 n = CHILD(n, 1);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5143 if (TYPE(n) == RPAR)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5144 return;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5145 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5146 REQ(n, varargslist);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5147 for (i = 0; i < NCH(n); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5148 c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5149 if (TYPE(c) == STAR || TYPE(c) == DOUBLESTAR) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5150 ext = 1;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5151 break;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5152 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5153 if (TYPE(c) == test) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5154 continue;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5155 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5156 if (TYPE(CHILD(c, 0)) == NAME)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5157 symtable_add_def(st, STR(CHILD(c, 0)), DEF_PARAM);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5158 else {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5159 char nbuf[10];
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5160 sprintf(nbuf, ".%d", i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5161 symtable_add_def(st, nbuf, DEF_PARAM);
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5162 complex = i;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5163 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5164 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5165 if (ext) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5166 c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5167 if (TYPE(c) == STAR) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5168 i++;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5169 symtable_add_def(st, STR(CHILD(n, i)),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5170 DEF_PARAM | DEF_STAR);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5171 i += 2;
16137
883cb0e31bb2 prevent symtable_params() from dereferencing off the end of the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16096
diff changeset
5172 if (i >= NCH(n))
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5173 c = NULL;
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5174 else
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5175 c = CHILD(n, i);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5176 }
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5177 if (c && TYPE(c) == DOUBLESTAR) {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5178 i++;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5179 symtable_add_def(st, STR(CHILD(n, i)),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5180 DEF_PARAM | DEF_DOUBLESTAR);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5181 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5182 }
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5183 if (complex >= 0) {
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5184 int j;
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5185 for (j = 0; j <= complex; j++) {
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5186 c = CHILD(n, j);
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5187 if (TYPE(c) == COMMA)
16699
7334b2cedda8 Fix for implicit tuple + default arguments, courtesy of Michael Hudson.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16680
diff changeset
5188 c = CHILD(n, ++j);
7334b2cedda8 Fix for implicit tuple + default arguments, courtesy of Michael Hudson.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16680
diff changeset
5189 else if (TYPE(c) == EQUAL)
7334b2cedda8 Fix for implicit tuple + default arguments, courtesy of Michael Hudson.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16680
diff changeset
5190 c = CHILD(n, j += 3);
16250
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5191 if (TYPE(CHILD(c, 0)) == LPAR)
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5192 symtable_params_fplist(st, CHILD(c, 1));
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5193 }
aab871635ffa Fix bug reported by Ka-Ping Yee: The compiler botched parsing function
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16138
diff changeset
5194 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5195 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5196
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5197 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5198 symtable_params_fplist(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5199 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5200 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5201 node *c;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5202
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5203 REQ(n, fplist);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5204 for (i = 0; i < NCH(n); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5205 c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5206 REQ(c, fpdef);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5207 if (NCH(c) == 1)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5208 symtable_add_def(st, STR(CHILD(c, 0)),
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5209 DEF_PARAM | DEF_INTUPLE);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5210 else
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5211 symtable_params_fplist(st, CHILD(c, 1));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5212 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5213
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5214 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5215
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5216 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5217 symtable_global(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5218 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5219 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5220
16916
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
5221 /* XXX It might be helpful to warn about module-level global
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
5222 statements, but it's hard to tell the difference between
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
5223 module-level and a string passed to exec.
b0456d3a0f1f Useful future statement support for the interactive interpreter
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16892
diff changeset
5224 */
16871
d675d75af839 Warn about global statement at the module level.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16862
diff changeset
5225
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5226 for (i = 1; i < NCH(n); i += 2) {
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5227 char *name = STR(CHILD(n, i));
16783
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5228 int flags;
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5229
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5230 flags = symtable_lookup(st, name);
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5231 if (flags < 0)
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5232 continue;
16783
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5233 if (flags && flags != DEF_GLOBAL) {
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5234 char buf[500];
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5235 if (flags & DEF_PARAM) {
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5236 PyErr_Format(PyExc_SyntaxError,
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5237 "name '%.400s' is local and global",
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5238 name);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
5239 PyErr_SyntaxLocation(st->st_filename,
16783
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5240 st->st_cur->ste_lineno);
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5241 st->st_errors++;
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5242 return;
16853
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5243 }
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5244 else {
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5245 if (flags & DEF_LOCAL)
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5246 sprintf(buf, GLOBAL_AFTER_ASSIGN,
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5247 name);
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5248 else
05785bdf289c Use the new PyErr_WarnExplicit() API to issue better warnings for
Guido van Rossum <guido@python.org>
parents: 16838
diff changeset
5249 sprintf(buf, GLOBAL_AFTER_USE, name);
16855
ec9083ac26df Let's have some sanity. Introduce a helper to issue a symbol table
Guido van Rossum <guido@python.org>
parents: 16853
diff changeset
5250 symtable_warn(st, buf);
16783
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5251 }
4feea99be777 Add warnings about undefined "global"
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16781
diff changeset
5252 }
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5253 symtable_add_def(st, name, DEF_GLOBAL);
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5254 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5255 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5256
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5257 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5258 symtable_list_comprehension(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5259 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5260 char tmpname[12];
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5261
17076
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5262 sprintf(tmpname, "_[%d]", st->st_tmpname);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5263 symtable_add_def(st, tmpname, DEF_LOCAL);
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5264 symtable_assign(st, CHILD(n, 1), 0);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5265 symtable_node(st, CHILD(n, 3));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5266 if (NCH(n) == 5)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5267 symtable_node(st, CHILD(n, 4));
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5268 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5269
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5270 static void
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5271 symtable_import(struct symtable *st, node *n)
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5272 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5273 int i;
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5274 /* import_stmt: 'import' dotted_as_name (',' dotted_as_name)*
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5275 | 'from' dotted_name 'import'
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5276 ('*' | import_as_name (',' import_as_name)*)
16394
f700e6b8de1f Undo recent change that banned using import to bind a global, as per
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16357
diff changeset
5277 import_as_name: NAME [NAME NAME]
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5278 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5279 if (STR(CHILD(n, 0))[0] == 'f') { /* from */
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5280 node *dotname = CHILD(n, 1);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5281 if (strcmp(STR(CHILD(dotname, 0)), "__future__") == 0) {
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5282 /* check for bogus imports */
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5283 if (n->n_lineno >= st->st_future->ff_last_lineno) {
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5284 PyErr_SetString(PyExc_SyntaxError,
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5285 LATE_FUTURE);
16838
09f6c1372056 Improve SyntaxErrors for bad future statements. Set file and location
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16831
diff changeset
5286 PyErr_SyntaxLocation(st->st_filename,
16823
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5287 n->n_lineno);
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5288 st->st_errors++;
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5289 return;
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5290 }
acbe74f3a786 Presumed correct compiler pass for future statements
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16799
diff changeset
5291 }
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5292 if (TYPE(CHILD(n, 3)) == STAR) {
19018
821e35706c07 Fix SF bug [ #445474 ] warn about import * inside functions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18631
diff changeset
5293 if (st->st_cur->ste_type != TYPE_MODULE) {
19021
e5754f048f0b Another bug fix for recent import * warning (caught by Thomas Wouters)
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19019
diff changeset
5294 if (symtable_warn(st,
e5754f048f0b Another bug fix for recent import * warning (caught by Thomas Wouters)
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19019
diff changeset
5295 "import * only allowed at module level") < 0)
e5754f048f0b Another bug fix for recent import * warning (caught by Thomas Wouters)
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 19019
diff changeset
5296 return;
19018
821e35706c07 Fix SF bug [ #445474 ] warn about import * inside functions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 18631
diff changeset
5297 }
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5298 st->st_cur->ste_optimized |= OPT_IMPORT_STAR;
17132
55218e0495bc Set the line number correctly for a nested function with an exec or
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17131
diff changeset
5299 st->st_cur->ste_opt_lineno = n->n_lineno;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5300 } else {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5301 for (i = 3; i < NCH(n); i += 2) {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5302 node *c = CHILD(n, i);
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5303 if (NCH(c) > 1) /* import as */
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5304 symtable_assign(st, CHILD(c, 2),
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5305 DEF_IMPORT);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5306 else
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5307 symtable_assign(st, CHILD(c, 0),
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5308 DEF_IMPORT);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5309 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5310 }
16781
5a1230de436a Preliminary support for future nested scopes
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16763
diff changeset
5311 } else {
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5312 for (i = 1; i < NCH(n); i += 2) {
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5313 symtable_assign(st, CHILD(n, i), DEF_IMPORT);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5314 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5315 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5316 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5317
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5318 static void
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5319 symtable_assign(struct symtable *st, node *n, int flag)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5320 {
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5321 node *tmp;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5322 int i;
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5323
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5324 loop:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5325 switch (TYPE(n)) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5326 case lambdef:
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5327 /* invalid assignment, e.g. lambda x:x=2. The next
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5328 pass will catch this error. */
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5329 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5330 case power:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5331 if (NCH(n) > 2) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5332 for (i = 2; i < NCH(n); ++i)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5333 if (TYPE(CHILD(n, i)) != DOUBLESTAR)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5334 symtable_node(st, CHILD(n, i));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5335 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5336 if (NCH(n) > 1) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5337 symtable_node(st, CHILD(n, 0));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5338 symtable_node(st, CHILD(n, 1));
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5339 } else {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5340 n = CHILD(n, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5341 goto loop;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5342 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5343 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5344 case listmaker:
17076
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5345 if (NCH(n) > 1 && TYPE(CHILD(n, 1)) == list_for) {
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5346 /* XXX This is an error, but the next pass
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5347 will catch it. */
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5348 return;
85d74f040712 Fix crashes in nested list comprehensions
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16933
diff changeset
5349 } else {
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5350 for (i = 0; i < NCH(n); i += 2)
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5351 symtable_assign(st, CHILD(n, i), flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5352 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5353 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5354 case exprlist:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5355 case testlist:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5356 if (NCH(n) == 1) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5357 n = CHILD(n, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5358 goto loop;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5359 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5360 else {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5361 int i;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5362 for (i = 0; i < NCH(n); i += 2)
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5363 symtable_assign(st, CHILD(n, i), flag);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5364 return;
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5365 }
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5366 case atom:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5367 tmp = CHILD(n, 0);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5368 if (TYPE(tmp) == LPAR || TYPE(tmp) == LSQB) {
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5369 n = CHILD(n, 1);
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5370 goto loop;
17185
f9a30015e8b0 Make it illegal to assign to __debug__ as per Guido's request.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17132
diff changeset
5371 } else if (TYPE(tmp) == NAME) {
17355
4468a8da67ca Warn when assigning to __debug__ instead of raising an error.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17185
diff changeset
5372 if (strcmp(STR(tmp), "__debug__") == 0)
4468a8da67ca Warn when assigning to __debug__ instead of raising an error.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17185
diff changeset
5373 symtable_warn(st, ASSIGN_DEBUG);
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5374 symtable_add_def(st, STR(tmp), DEF_LOCAL | flag);
17185
f9a30015e8b0 Make it illegal to assign to __debug__ as per Guido's request.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 17132
diff changeset
5375 }
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5376 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5377 case dotted_as_name:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5378 if (NCH(n) == 3)
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5379 symtable_add_def(st, STR(CHILD(n, 2)),
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5380 DEF_LOCAL | flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5381 else
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5382 symtable_add_def(st,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5383 STR(CHILD(CHILD(n,
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5384 0), 0)),
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5385 DEF_LOCAL | flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5386 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5387 case dotted_name:
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5388 symtable_add_def(st, STR(CHILD(n, 0)), DEF_LOCAL | flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5389 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5390 case NAME:
16357
9f2ca855fa44 Enforce two illegal import statements that were outlawed in the
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16353
diff changeset
5391 symtable_add_def(st, STR(n), DEF_LOCAL | flag);
16257
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5392 return;
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5393 default:
fd8c7203251f PEP 227 implementation
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16250
diff changeset
5394 if (NCH(n) == 0)
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5395 return;
16677
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5396 if (NCH(n) == 1) {
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5397 n = CHILD(n, 0);
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5398 goto loop;
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5399 }
16677
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5400 /* Should only occur for errors like x + 1 = 1,
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5401 which will be caught in the next pass. */
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5402 for (i = 0; i < NCH(n); ++i)
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5403 if (TYPE(CHILD(n, i)) >= single_input)
b955e74955d5 Tolerate ill-formed trees in symtable_assign(). Fixes SF bug 132510.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16658
diff changeset
5404 symtable_assign(st, CHILD(n, i), flag);
16015
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5405 }
c832ef72499d This patch introduces an extra pass to the compiler that generates a
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 16006
diff changeset
5406 }