Mercurial > cpython-lru_cache-weakref

annotate Python/symtable.c @ 85417:df2fdd42b375

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Close #11619: The parser and the import machinery do not encode Unicode filenames anymore on Windows.
author Victor Stinner <victor.stinner@gmail.com>
date Mon, 26 Aug 2013 22:28:21 +0200
parents 39eb1ce5f377
children 9a7ec433bf59
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
1 #include "Python.h"
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
2 #include "Python-ast.h"
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
3 #include "code.h"
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
4 #include "symtable.h"
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
5 #include "structmember.h"
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
6
36089
4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35939
diff changeset
7 /* error strings used for warnings */
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
8 #define GLOBAL_AFTER_ASSIGN \
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
9 "name '%.400s' is assigned to before global declaration"
21325
8a26bb369f53 Add a comment explaining the st_symbols cache.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21314
diff changeset
10
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
11 #define NONLOCAL_AFTER_ASSIGN \
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
12 "name '%.400s' is assigned to before nonlocal declaration"
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
13
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
14 #define GLOBAL_AFTER_USE \
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
15 "name '%.400s' is used prior to global declaration"
21325
8a26bb369f53 Add a comment explaining the st_symbols cache.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 21314
diff changeset
16
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
17 #define NONLOCAL_AFTER_USE \
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
18 "name '%.400s' is used prior to nonlocal declaration"
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
19
36089
4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35939
diff changeset
20 #define IMPORT_STAR_WARNING "import * only allowed at module level"
4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35939
diff changeset
21
36739
796d150e45a9 No need to export PySTEntry_New, it is only used in symtable.c
Neal Norwitz <nnorwitz@gmail.com>
parents: 36695
diff changeset
22 static PySTEntryObject *
48725
40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
23 ste_new(struct symtable *st, identifier name, _Py_block_ty block,
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
24 void *key, int lineno, int col_offset)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
25 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
26 PySTEntryObject *ste = NULL;
78943
ad3824a90261 Closed reference leak of variable 'k' in function ste_new which wasn't decrefed in error cases
Christian Heimes <christian@cheimes.de>
parents: 73366
diff changeset
27 PyObject *k = NULL;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
28
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
29 k = PyLong_FromVoidPtr(key);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
30 if (k == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
31 goto fail;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
32 ste = PyObject_New(PySTEntryObject, &PySTEntry_Type);
79009
99ab7006e466 Cleanup 'k' when the creation of PySTEntryObject fails. ad3824a90261 used to decref 'k' in too many error cases.
Christian Heimes <christian@cheimes.de>
parents: 79006
diff changeset
33 if (ste == NULL) {
99ab7006e466 Cleanup 'k' when the creation of PySTEntryObject fails. ad3824a90261 used to decref 'k' in too many error cases.
Christian Heimes <christian@cheimes.de>
parents: 79006
diff changeset
34 Py_DECREF(k);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
35 goto fail;
79009
99ab7006e466 Cleanup 'k' when the creation of PySTEntryObject fails. ad3824a90261 used to decref 'k' in too many error cases.
Christian Heimes <christian@cheimes.de>
parents: 79006
diff changeset
36 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
37 ste->ste_table = st;
79006
2888356cdd4e Partly revert ad3824a90261 and add comment about reference ownership
Christian Heimes <christian@cheimes.de>
parents: 78943
diff changeset
38 ste->ste_id = k; /* ste owns reference to k */
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
39
84562
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
40 Py_INCREF(name);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
41 ste->ste_name = name;
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35793
diff changeset
42
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
43 ste->ste_symbols = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
44 ste->ste_varnames = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
45 ste->ste_children = NULL;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
46
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
47 ste->ste_directives = NULL;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
48
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
49 ste->ste_type = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
50 ste->ste_unoptimized = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
51 ste->ste_nested = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
52 ste->ste_free = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
53 ste->ste_varargs = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
54 ste->ste_varkeywords = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
55 ste->ste_opt_lineno = 0;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
56 ste->ste_opt_col_offset = 0;
65564
8e6b7ab1e1a1 Merged revisions 85757 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 65393
diff changeset
57 ste->ste_tmpname = 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
58 ste->ste_lineno = lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
59 ste->ste_col_offset = col_offset;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
60
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
61 if (st->st_cur != NULL &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
62 (st->st_cur->ste_nested ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
63 st->st_cur->ste_type == FunctionBlock))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
64 ste->ste_nested = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
65 ste->ste_child_free = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
66 ste->ste_generator = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
67 ste->ste_returns_value = 0;
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
68 ste->ste_needs_class_closure = 0;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
69
84562
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
70 ste->ste_symbols = PyDict_New();
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
71 ste->ste_varnames = PyList_New(0);
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
72 ste->ste_children = PyList_New(0);
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
73 if (ste->ste_symbols == NULL
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
74 || ste->ste_varnames == NULL
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
75 || ste->ste_children == NULL)
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
76 goto fail;
39eb1ce5f377 Issue #18408: ste_new() initialize all attributes before handling error
Victor Stinner <victor.stinner@gmail.com>
parents: 83804
diff changeset
77
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
78 if (PyDict_SetItem(st->st_blocks, ste->ste_id, (PyObject *)ste) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
79 goto fail;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
80
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
81 return ste;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
82 fail:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
83 Py_XDECREF(ste);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
84 return NULL;
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
85 }
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
86
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
87 static PyObject *
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
88 ste_repr(PySTEntryObject *ste)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
89 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
90 return PyUnicode_FromFormat("<symtable entry %U(%ld), line %d>",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
91 ste->ste_name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
92 PyLong_AS_LONG(ste->ste_id), ste->ste_lineno);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
93 }
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
94
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
95 static void
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
96 ste_dealloc(PySTEntryObject *ste)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
97 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
98 ste->ste_table = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
99 Py_XDECREF(ste->ste_id);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
100 Py_XDECREF(ste->ste_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
101 Py_XDECREF(ste->ste_symbols);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
102 Py_XDECREF(ste->ste_varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
103 Py_XDECREF(ste->ste_children);
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
104 Py_XDECREF(ste->ste_directives);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
105 PyObject_Del(ste);
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
106 }
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
107
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
108 #define OFF(x) offsetof(PySTEntryObject, x)
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
109
20012
3faabf54b8b8 Add optional docstrings to member descriptors. For backwards
Guido van Rossum <guido@python.org>
parents: 18148
diff changeset
110 static PyMemberDef ste_memberlist[] = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
111 {"id", T_OBJECT, OFF(ste_id), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
112 {"name", T_OBJECT, OFF(ste_name), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
113 {"symbols", T_OBJECT, OFF(ste_symbols), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
114 {"varnames", T_OBJECT, OFF(ste_varnames), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
115 {"children", T_OBJECT, OFF(ste_children), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
116 {"optimized",T_INT, OFF(ste_unoptimized), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
117 {"nested", T_INT, OFF(ste_nested), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
118 {"type", T_INT, OFF(ste_type), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
119 {"lineno", T_INT, OFF(ste_lineno), READONLY},
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
120 {NULL}
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
121 };
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
122
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
123 PyTypeObject PySTEntry_Type = {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
124 PyVarObject_HEAD_INIT(&PyType_Type, 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
125 "symtable entry",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
126 sizeof(PySTEntryObject),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
127 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
128 (destructor)ste_dealloc, /* tp_dealloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
129 0, /* tp_print */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
130 0, /* tp_getattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
131 0, /* tp_setattr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
132 0, /* tp_reserved */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
133 (reprfunc)ste_repr, /* tp_repr */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
134 0, /* tp_as_number */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
135 0, /* tp_as_sequence */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
136 0, /* tp_as_mapping */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
137 0, /* tp_hash */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
138 0, /* tp_call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
139 0, /* tp_str */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
140 PyObject_GenericGetAttr, /* tp_getattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
141 0, /* tp_setattro */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
142 0, /* tp_as_buffer */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
143 Py_TPFLAGS_DEFAULT, /* tp_flags */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
144 0, /* tp_doc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
145 0, /* tp_traverse */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
146 0, /* tp_clear */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
147 0, /* tp_richcompare */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
148 0, /* tp_weaklistoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
149 0, /* tp_iter */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
150 0, /* tp_iternext */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
151 0, /* tp_methods */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
152 ste_memberlist, /* tp_members */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
153 0, /* tp_getset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
154 0, /* tp_base */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
155 0, /* tp_dict */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
156 0, /* tp_descr_get */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
157 0, /* tp_descr_set */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
158 0, /* tp_dictoffset */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
159 0, /* tp_init */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
160 0, /* tp_alloc */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
161 0, /* tp_new */
16539
a47d93ef103a Relax the rules for using 'from ... import *' and exec in the presence
Jeremy Hylton <jeremy@alum.mit.edu>
parents:
diff changeset
162 };
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
163
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
164 static int symtable_analyze(struct symtable *st);
36089
4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35939
diff changeset
165 static int symtable_warn(struct symtable *st, char *msg, int lineno);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
166 static int symtable_enter_block(struct symtable *st, identifier name,
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
167 _Py_block_ty block, void *ast, int lineno,
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
168 int col_offset);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
169 static int symtable_exit_block(struct symtable *st, void *ast);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
170 static int symtable_visit_stmt(struct symtable *st, stmt_ty s);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
171 static int symtable_visit_expr(struct symtable *st, expr_ty s);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
172 static int symtable_visit_genexp(struct symtable *st, expr_ty s);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
173 static int symtable_visit_listcomp(struct symtable *st, expr_ty s);
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
174 static int symtable_visit_setcomp(struct symtable *st, expr_ty s);
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
175 static int symtable_visit_dictcomp(struct symtable *st, expr_ty s);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
176 static int symtable_visit_arguments(struct symtable *st, arguments_ty);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
177 static int symtable_visit_excepthandler(struct symtable *st, excepthandler_ty);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
178 static int symtable_visit_alias(struct symtable *st, alias_ty);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
179 static int symtable_visit_comprehension(struct symtable *st, comprehension_ty);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
180 static int symtable_visit_keyword(struct symtable *st, keyword_ty);
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
181 static int symtable_visit_slice(struct symtable *st, slice_ty);
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
182 static int symtable_visit_params(struct symtable *st, asdl_seq *args);
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
183 static int symtable_visit_argannotations(struct symtable *st, asdl_seq *args);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
184 static int symtable_implicit_arg(struct symtable *st, int pos);
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40215
diff changeset
185 static int symtable_visit_annotations(struct symtable *st, stmt_ty s);
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
186 static int symtable_visit_withitem(struct symtable *st, withitem_ty item);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
187
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
188
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
189 static identifier top = NULL, lambda = NULL, genexpr = NULL,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
190 listcomp = NULL, setcomp = NULL, dictcomp = NULL,
83791
6db3741e59be rather than passing locals to the class body, just execute the class body in the proper environment
Benjamin Peterson <benjamin@python.org>
parents: 83785
diff changeset
191 __class__ = NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
192
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
193 #define GET_IDENTIFIER(VAR) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
194 ((VAR) ? (VAR) : ((VAR) = PyUnicode_InternFromString(# VAR)))
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
195
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
196 #define DUPLICATE_ARGUMENT \
42801
41da49c97a59 Use unicode for error messages of duplicate args
Neal Norwitz <nnorwitz@gmail.com>
parents: 42455
diff changeset
197 "duplicate argument '%U' in function definition"
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
198
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
199 static struct symtable *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
200 symtable_new(void)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
201 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
202 struct symtable *st;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
203
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
204 st = (struct symtable *)PyMem_Malloc(sizeof(struct symtable));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
205 if (st == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
206 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
207
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
208 st->st_filename = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
209 st->st_blocks = NULL;
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35793
diff changeset
210
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
211 if ((st->st_stack = PyList_New(0)) == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
212 goto fail;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
213 if ((st->st_blocks = PyDict_New()) == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
214 goto fail;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
215 st->st_cur = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
216 st->st_private = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
217 return st;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
218 fail:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
219 PySymtable_Free(st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
220 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
221 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
222
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
223 /* When compiling the use of C stack is probably going to be a lot
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
224 lighter than when executing Python code but still can overflow
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
225 and causing a Python crash if not checked (e.g. eval("()"*300000)).
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
226 Using the current recursion limit for the compiler seems too
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
227 restrictive (it caused at least one test to fail) so a factor is
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
228 used to allow deeper recursion when compiling an expression.
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
229
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
230 Using a scaling factor means this should automatically adjust when
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
231 the recursion limit is adjusted for small or large C stack allocations.
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
232 */
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
233 #define COMPILER_STACK_FRAME_SCALE 3
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
234
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
235 struct symtable *
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
236 PySymtable_BuildObject(mod_ty mod, PyObject *filename, PyFutureFeatures *future)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
237 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
238 struct symtable *st = symtable_new();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
239 asdl_seq *seq;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
240 int i;
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
241 PyThreadState *tstate;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
242
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
243 if (st == NULL)
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
244 return NULL;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
245 if (filename == NULL) {
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
246 PySymtable_Free(st);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
247 return NULL;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
248 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
249 Py_INCREF(filename);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
250 st->st_filename = filename;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
251 st->st_future = future;
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
252
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
253 /* Setup recursion depth check counters */
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
254 tstate = PyThreadState_GET();
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
255 if (!tstate) {
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
256 PySymtable_Free(st);
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
257 return NULL;
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
258 }
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
259 st->recursion_depth = tstate->recursion_depth * COMPILER_STACK_FRAME_SCALE;
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
260 st->recursion_limit = Py_GetRecursionLimit() * COMPILER_STACK_FRAME_SCALE;
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
261
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
262 /* Make the initial symbol information gathering pass */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
263 if (!GET_IDENTIFIER(top) ||
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
264 !symtable_enter_block(st, top, ModuleBlock, (void *)mod, 0, 0)) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
265 PySymtable_Free(st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
266 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
267 }
39442
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from
Thomas Wouters <thomas@python.org>
parents: 38588
diff changeset
268
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
269 st->st_top = st->st_cur;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
270 st->st_cur->ste_unoptimized = OPT_TOPLEVEL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
271 switch (mod->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
272 case Module_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
273 seq = mod->v.Module.body;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
274 for (i = 0; i < asdl_seq_LEN(seq); i++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
275 if (!symtable_visit_stmt(st,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
276 (stmt_ty)asdl_seq_GET(seq, i)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
277 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
278 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
279 case Expression_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
280 if (!symtable_visit_expr(st, mod->v.Expression.body))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
281 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
282 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
283 case Interactive_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
284 seq = mod->v.Interactive.body;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
285 for (i = 0; i < asdl_seq_LEN(seq); i++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
286 if (!symtable_visit_stmt(st,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
287 (stmt_ty)asdl_seq_GET(seq, i)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
288 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
289 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
290 case Suite_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
291 PyErr_SetString(PyExc_RuntimeError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
292 "this compiler does not handle Suites");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
293 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
294 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
295 if (!symtable_exit_block(st, (void *)mod)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
296 PySymtable_Free(st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
297 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
298 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
299 /* Make the second symbol analysis pass */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
300 if (symtable_analyze(st))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
301 return st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
302 PySymtable_Free(st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
303 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
304 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
305 (void) symtable_exit_block(st, (void *)mod);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
306 PySymtable_Free(st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
307 return NULL;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
308 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
309
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
310 struct symtable *
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
311 PySymtable_Build(mod_ty mod, const char *filename_str, PyFutureFeatures *future)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
312 {
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
313 PyObject *filename;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
314 struct symtable *st;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
315 filename = PyUnicode_DecodeFSDefault(filename_str);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
316 if (filename == NULL)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
317 return NULL;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
318 st = PySymtable_BuildObject(mod, filename, future);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
319 Py_DECREF(filename);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
320 return st;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
321 }
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
322
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
323 void
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
324 PySymtable_Free(struct symtable *st)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
325 {
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
326 Py_XDECREF(st->st_filename);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
327 Py_XDECREF(st->st_blocks);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
328 Py_XDECREF(st->st_stack);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
329 PyMem_Free((void *)st);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
330 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
331
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
332 PySTEntryObject *
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
333 PySymtable_Lookup(struct symtable *st, void *key)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
334 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
335 PyObject *k, *v;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
336
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
337 k = PyLong_FromVoidPtr(key);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
338 if (k == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
339 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
340 v = PyDict_GetItem(st->st_blocks, k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
341 if (v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
342 assert(PySTEntry_Check(v));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
343 Py_INCREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
344 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
345 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
346 PyErr_SetString(PyExc_KeyError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
347 "unknown symbol table entry");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
348 }
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35793
diff changeset
349
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
350 Py_DECREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
351 return (PySTEntryObject *)v;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
352 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
353
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
354 int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
355 PyST_GetScope(PySTEntryObject *ste, PyObject *name)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
356 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
357 PyObject *v = PyDict_GetItem(ste->ste_symbols, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
358 if (!v)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
359 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
360 assert(PyLong_Check(v));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
361 return (PyLong_AS_LONG(v) >> SCOPE_OFFSET) & SCOPE_MASK;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
362 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
363
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
364 static int
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
365 error_at_directive(PySTEntryObject *ste, PyObject *name)
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
366 {
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
367 Py_ssize_t i;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
368 PyObject *data;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
369 assert(ste->ste_directives);
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
370 for (i = 0; ; i++) {
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
371 data = PyList_GET_ITEM(ste->ste_directives, i);
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
372 assert(PyTuple_CheckExact(data));
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
373 if (PyTuple_GET_ITEM(data, 0) == name)
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
374 break;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
375 }
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
376 PyErr_SyntaxLocationObject(ste->ste_table->st_filename,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
377 PyLong_AsLong(PyTuple_GET_ITEM(data, 1)),
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
378 PyLong_AsLong(PyTuple_GET_ITEM(data, 2)));
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
379 return 0;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
380 }
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
381
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
382
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
383 /* Analyze raw symbol information to determine scope of each name.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
384
42084
229c28cb9afb Merged revisions 55817-55961 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42045
diff changeset
385 The next several functions are helpers for symtable_analyze(),
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
386 which determines whether a name is local, global, or free. In addition,
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
387 it determines which local variables are cell variables; they provide
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
388 bindings that are used for free variables in enclosed blocks.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
389
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
390 There are also two kinds of global variables, implicit and explicit. An
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
391 explicit global is declared with the global statement. An implicit
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
392 global is a free variable for which the compiler has found no binding
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
393 in an enclosing function scope. The implicit global is either a global
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
394 or a builtin. Python's module and class blocks use the xxx_NAME opcodes
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
395 to handle these names to implement slightly odd semantics. In such a
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
396 block, the name is treated as global until it is assigned to; then it
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
397 is treated as a local.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
398
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
399 The symbol table requires two passes to determine the scope of each name.
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
400 The first pass collects raw facts from the AST via the symtable_visit_*
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
401 functions: the name is a parameter here, the name is used but not defined
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
402 here, etc. The second pass analyzes these facts during a pass over the
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
403 PySTEntryObjects created during pass 1.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
404
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
405 When a function is entered during the second pass, the parent passes
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
406 the set of all name bindings visible to its children. These bindings
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
407 are used to determine if non-local variables are free or implicit globals.
41508
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365)
Nick Coghlan <ncoghlan@gmail.com>
parents: 41464
diff changeset
408 Names which are explicitly declared nonlocal must exist in this set of
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365)
Nick Coghlan <ncoghlan@gmail.com>
parents: 41464
diff changeset
409 visible names - if they do not, a syntax error is raised. After doing
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365)
Nick Coghlan <ncoghlan@gmail.com>
parents: 41464
diff changeset
410 the local analysis, it analyzes each of its child blocks using an
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365)
Nick Coghlan <ncoghlan@gmail.com>
parents: 41464
diff changeset
411 updated set of name bindings.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
412
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
413 The children update the free variable set. If a local variable is added to
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
414 the free variable set by the child, the variable is marked as a cell. The
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
415 function object being defined must provide runtime storage for the variable
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
416 that may outlive the function's frame. Cell variables are removed from the
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
417 free set before the analyze function returns to its parent.
41508
55d761acdcbc Don't crash when nonlocal is used at module level (fixes SF#1705365)
Nick Coghlan <ncoghlan@gmail.com>
parents: 41464
diff changeset
418
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
419 During analysis, the names are:
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
420 symbols: dict mapping from symbol names to flag values (including offset scope values)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
421 scopes: dict mapping from symbol names to scope values (no offset)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
422 local: set of all symbol names local to the current scope
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
423 bound: set of all symbol names local to a containing function scope
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
424 free: set of all symbol names referenced but not bound in child scopes
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
425 global: set of all symbol names explicitly declared as global
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
426 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
427
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
428 #define SET_SCOPE(DICT, NAME, I) { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
429 PyObject *o = PyLong_FromLong(I); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
430 if (!o) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
431 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
432 if (PyDict_SetItem((DICT), (NAME), o) < 0) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
433 Py_DECREF(o); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
434 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
435 } \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
436 Py_DECREF(o); \
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
437 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
438
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
439 /* Decide on scope of name, given flags.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
440
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
441 The namespace dictionaries may be modified to record information
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
442 about the new name. For example, a new global will add an entry to
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
443 global. A name that was global can be changed to local.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
444 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
445
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
446 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
447 analyze_name(PySTEntryObject *ste, PyObject *scopes, PyObject *name, long flags,
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
448 PyObject *bound, PyObject *local, PyObject *free,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
449 PyObject *global)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
450 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
451 if (flags & DEF_GLOBAL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
452 if (flags & DEF_PARAM) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
453 PyErr_Format(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
454 "name '%U' is parameter and global",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
455 name);
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
456 return error_at_directive(ste, name);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
457 }
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
458 if (flags & DEF_NONLOCAL) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
459 PyErr_Format(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
460 "name '%U' is nonlocal and global",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
461 name);
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
462 return error_at_directive(ste, name);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
463 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
464 SET_SCOPE(scopes, name, GLOBAL_EXPLICIT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
465 if (PySet_Add(global, name) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
466 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
467 if (bound && (PySet_Discard(bound, name) < 0))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
468 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
469 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
470 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
471 if (flags & DEF_NONLOCAL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
472 if (flags & DEF_PARAM) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
473 PyErr_Format(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
474 "name '%U' is parameter and nonlocal",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
475 name);
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
476 return error_at_directive(ste, name);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
477 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
478 if (!bound) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
479 PyErr_Format(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
480 "nonlocal declaration not allowed at module level");
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
481 return error_at_directive(ste, name);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
482 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
483 if (!PySet_Contains(bound, name)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
484 PyErr_Format(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
485 "no binding for nonlocal '%U' found",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
486 name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
487
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
488 return error_at_directive(ste, name);
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
489 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
490 SET_SCOPE(scopes, name, FREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
491 ste->ste_free = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
492 return PySet_Add(free, name) >= 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
493 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
494 if (flags & DEF_BOUND) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
495 SET_SCOPE(scopes, name, LOCAL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
496 if (PySet_Add(local, name) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
497 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
498 if (PySet_Discard(global, name) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
499 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
500 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
501 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
502 /* If an enclosing block has a binding for this name, it
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
503 is a free variable rather than a global variable.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
504 Note that having a non-NULL bound implies that the block
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
505 is nested.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
506 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
507 if (bound && PySet_Contains(bound, name)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
508 SET_SCOPE(scopes, name, FREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
509 ste->ste_free = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
510 return PySet_Add(free, name) >= 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
511 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
512 /* If a parent has a global statement, then call it global
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
513 explicit? It could also be global implicit.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
514 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
515 if (global && PySet_Contains(global, name)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
516 SET_SCOPE(scopes, name, GLOBAL_IMPLICIT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
517 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
518 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
519 if (ste->ste_nested)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
520 ste->ste_free = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
521 SET_SCOPE(scopes, name, GLOBAL_IMPLICIT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
522 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
523 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
524
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
525 #undef SET_SCOPE
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
526
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
527 /* If a name is defined in free and also in locals, then this block
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
528 provides the binding for the free variable. The name should be
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
529 marked CELL in this block and removed from the free list.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
530
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
531 Note that the current block's free variables are included in free.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
532 That's safe because no name can be free and local in the same scope.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
533 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
534
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
535 static int
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
536 analyze_cells(PyObject *scopes, PyObject *free)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
537 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
538 PyObject *name, *v, *v_cell;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
539 int success = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
540 Py_ssize_t pos = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
541
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
542 v_cell = PyLong_FromLong(CELL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
543 if (!v_cell)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
544 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
545 while (PyDict_Next(scopes, &pos, &name, &v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
546 long scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
547 assert(PyLong_Check(v));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
548 scope = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
549 if (scope != LOCAL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
550 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
551 if (!PySet_Contains(free, name))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
552 continue;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
553 /* Replace LOCAL with CELL for this name, and remove
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
554 from free. It is safe to replace the value of name
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
555 in the dict, because it will not cause a resize.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
556 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
557 if (PyDict_SetItem(scopes, name, v_cell) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
558 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
559 if (PySet_Discard(free, name) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
560 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
561 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
562 success = 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
563 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
564 Py_DECREF(v_cell);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
565 return success;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
566 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
567
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
568 static int
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
569 drop_class_free(PySTEntryObject *ste, PyObject *free)
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
570 {
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
571 int res;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
572 if (!GET_IDENTIFIER(__class__))
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
573 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
574 res = PySet_Discard(free, __class__);
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
575 if (res < 0)
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
576 return 0;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
577 if (res)
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
578 ste->ste_needs_class_closure = 1;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
579 return 1;
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
580 }
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
581
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
582 /* Check for illegal statements in unoptimized namespaces */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
583 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
584 check_unoptimized(const PySTEntryObject* ste) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
585 const char* trailer;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
586
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
587 if (ste->ste_type != FunctionBlock || !ste->ste_unoptimized
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
588 || !(ste->ste_free || ste->ste_child_free))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
589 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
590
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
591 trailer = (ste->ste_child_free ?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
592 "contains a nested function with free variables" :
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
593 "is a nested function");
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
594
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
595 switch (ste->ste_unoptimized) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
596 case OPT_TOPLEVEL: /* import * at top-level is fine */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
597 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
598 case OPT_IMPORT_STAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
599 PyErr_Format(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
600 "import * is not allowed in function '%U' because it %s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
601 ste->ste_name, trailer);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
602 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
603 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
604
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
605 PyErr_SyntaxLocationObject(ste->ste_table->st_filename,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
606 ste->ste_opt_lineno,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
607 ste->ste_opt_col_offset);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
608 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
609 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
610
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
611 /* Enter the final scope information into the ste_symbols dict.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
612 *
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
613 * All arguments are dicts. Modifies symbols, others are read-only.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
614 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
615 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
616 update_symbols(PyObject *symbols, PyObject *scopes,
37615
19d99b31555c Make symtable.c safe for C++ compilers. Changed macros in the same way as
Anthony Baxter <anthonybaxter@gmail.com>
parents: 36739
diff changeset
617 PyObject *bound, PyObject *free, int classflag)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
618 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
619 PyObject *name = NULL, *itr = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
620 PyObject *v = NULL, *v_scope = NULL, *v_new = NULL, *v_free = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
621 Py_ssize_t pos = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
622
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
623 /* Update scope information for all symbols in this scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
624 while (PyDict_Next(symbols, &pos, &name, &v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
625 long scope, flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
626 assert(PyLong_Check(v));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
627 flags = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
628 v_scope = PyDict_GetItem(scopes, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
629 assert(v_scope && PyLong_Check(v_scope));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
630 scope = PyLong_AS_LONG(v_scope);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
631 flags |= (scope << SCOPE_OFFSET);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
632 v_new = PyLong_FromLong(flags);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
633 if (!v_new)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
634 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
635 if (PyDict_SetItem(symbols, name, v_new) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
636 Py_DECREF(v_new);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
637 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
638 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
639 Py_DECREF(v_new);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
640 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
641
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
642 /* Record not yet resolved free variables from children (if any) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
643 v_free = PyLong_FromLong(FREE << SCOPE_OFFSET);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
644 if (!v_free)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
645 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
646
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
647 itr = PyObject_GetIter(free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
648 if (!itr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
649 goto error;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
650
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
651 while ((name = PyIter_Next(itr))) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
652 v = PyDict_GetItem(symbols, name);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
653
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
654 /* Handle symbol that already exists in this scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
655 if (v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
656 /* Handle a free variable in a method of
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
657 the class that has the same name as a local
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
658 or global in the class scope.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
659 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
660 if (classflag &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
661 PyLong_AS_LONG(v) & (DEF_BOUND | DEF_GLOBAL)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
662 long flags = PyLong_AS_LONG(v) | DEF_FREE_CLASS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
663 v_new = PyLong_FromLong(flags);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
664 if (!v_new) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
665 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
666 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
667 if (PyDict_SetItem(symbols, name, v_new) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
668 Py_DECREF(v_new);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
669 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
670 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
671 Py_DECREF(v_new);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
672 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
673 /* It's a cell, or already free in this scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
674 Py_DECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
675 continue;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
676 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
677 /* Handle global symbol */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
678 if (!PySet_Contains(bound, name)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
679 Py_DECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
680 continue; /* it's a global */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
681 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
682 /* Propagate new free symbol up the lexical stack */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
683 if (PyDict_SetItem(symbols, name, v_free) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
684 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
685 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
686 Py_DECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
687 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
688 Py_DECREF(itr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
689 Py_DECREF(v_free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
690 return 1;
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
691 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
692 Py_XDECREF(v_free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
693 Py_XDECREF(itr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
694 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
695 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
696 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
697
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
698 /* Make final symbol table decisions for block of ste.
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
699
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
700 Arguments:
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
701 ste -- current symtable entry (input/output)
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
702 bound -- set of variables bound in enclosing scopes (input). bound
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
703 is NULL for module blocks.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
704 free -- set of free variables in enclosed scopes (output)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
705 globals -- set of declared global variables in enclosing scopes (input)
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
706
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
707 The implementation uses two mutually recursive functions,
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
708 analyze_block() and analyze_child_block(). analyze_block() is
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
709 responsible for analyzing the individual names defined in a block.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
710 analyze_child_block() prepares temporary namespace dictionaries
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
711 used to evaluated nested blocks.
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
712
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
713 The two functions exist because a child block should see the name
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
714 bindings of its enclosing blocks, but those bindings should not
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
715 propagate back to a parent block.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
716 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
717
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
718 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
719 analyze_child_block(PySTEntryObject *entry, PyObject *bound, PyObject *free,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
720 PyObject *global, PyObject* child_free);
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
721
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
722 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
723 analyze_block(PySTEntryObject *ste, PyObject *bound, PyObject *free,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
724 PyObject *global)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
725 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
726 PyObject *name, *v, *local = NULL, *scopes = NULL, *newbound = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
727 PyObject *newglobal = NULL, *newfree = NULL, *allfree = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
728 PyObject *temp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
729 int i, success = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
730 Py_ssize_t pos = 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
731
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
732 local = PySet_New(NULL); /* collect new names bound in block */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
733 if (!local)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
734 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
735 scopes = PyDict_New(); /* collect scopes defined for each name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
736 if (!scopes)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
737 goto error;
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
738
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
739 /* Allocate new global and bound variable dictionaries. These
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
740 dictionaries hold the names visible in nested blocks. For
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
741 ClassBlocks, the bound and global names are initialized
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
742 before analyzing names, because class bindings aren't
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
743 visible in methods. For other blocks, they are initialized
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
744 after names are analyzed.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
745 */
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
746
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
747 /* TODO(jhylton): Package these dicts in a struct so that we
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
748 can write reasonable helper functions?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
749 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
750 newglobal = PySet_New(NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
751 if (!newglobal)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
752 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
753 newfree = PySet_New(NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
754 if (!newfree)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
755 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
756 newbound = PySet_New(NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
757 if (!newbound)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
758 goto error;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
759
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
760 /* Class namespace has no effect on names visible in
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
761 nested functions, so populate the global and bound
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
762 sets to be passed to child blocks before analyzing
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
763 this one.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
764 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
765 if (ste->ste_type == ClassBlock) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
766 /* Pass down known globals */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
767 temp = PyNumber_InPlaceOr(newglobal, global);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
768 if (!temp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
769 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
770 Py_DECREF(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
771 /* Pass down previously bound symbols */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
772 if (bound) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
773 temp = PyNumber_InPlaceOr(newbound, bound);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
774 if (!temp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
775 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
776 Py_DECREF(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
777 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
778 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
779
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
780 while (PyDict_Next(ste->ste_symbols, &pos, &name, &v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
781 long flags = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
782 if (!analyze_name(ste, scopes, name, flags,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
783 bound, local, free, global))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
784 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
785 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
786
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
787 /* Populate global and bound sets to be passed to children. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
788 if (ste->ste_type != ClassBlock) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
789 /* Add function locals to bound set */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
790 if (ste->ste_type == FunctionBlock) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
791 temp = PyNumber_InPlaceOr(newbound, local);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
792 if (!temp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
793 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
794 Py_DECREF(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
795 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
796 /* Pass down previously bound symbols */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
797 if (bound) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
798 temp = PyNumber_InPlaceOr(newbound, bound);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
799 if (!temp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
800 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
801 Py_DECREF(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
802 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
803 /* Pass down known globals */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
804 temp = PyNumber_InPlaceOr(newglobal, global);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
805 if (!temp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
806 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
807 Py_DECREF(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
808 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
809 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
810 /* Special-case __class__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
811 if (!GET_IDENTIFIER(__class__))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
812 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
813 if (PySet_Add(newbound, __class__) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
814 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
815 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
816
69231
b6fe63c914e4 Issue #9904: fix and clarify some comments + fix indentation in symtable code
Eli Bendersky <eliben@gmail.com>
parents: 68257
diff changeset
817 /* Recursively call analyze_child_block() on each child block.
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
818
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
819 newbound, newglobal now contain the names visible in
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
820 nested blocks. The free variables in the children will
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
821 be collected in allfree.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
822 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
823 allfree = PySet_New(NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
824 if (!allfree)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
825 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
826 for (i = 0; i < PyList_GET_SIZE(ste->ste_children); ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
827 PyObject *c = PyList_GET_ITEM(ste->ste_children, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
828 PySTEntryObject* entry;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
829 assert(c && PySTEntry_Check(c));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
830 entry = (PySTEntryObject*)c;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
831 if (!analyze_child_block(entry, newbound, newfree, newglobal,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
832 allfree))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
833 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
834 /* Check if any children have free variables */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
835 if (entry->ste_free || entry->ste_child_free)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
836 ste->ste_child_free = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
837 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
838
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
839 temp = PyNumber_InPlaceOr(newfree, allfree);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
840 if (!temp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
841 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
842 Py_DECREF(temp);
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
843
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
844 /* Check if any local variables must be converted to cell variables */
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
845 if (ste->ste_type == FunctionBlock && !analyze_cells(scopes, newfree))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
846 goto error;
83783
3d858f1eef54 hide the __class__ closure from the class body (#12370)
Benjamin Peterson <benjamin@python.org>
parents: 82732
diff changeset
847 else if (ste->ste_type == ClassBlock && !drop_class_free(ste, newfree))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
848 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
849 /* Records the results of the analysis in the symbol table entry */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
850 if (!update_symbols(ste->ste_symbols, scopes, bound, newfree,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
851 ste->ste_type == ClassBlock))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
852 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
853 if (!check_unoptimized(ste))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
854 goto error;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
855
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
856 temp = PyNumber_InPlaceOr(free, newfree);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
857 if (!temp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
858 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
859 Py_DECREF(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
860 success = 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
861 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
862 Py_XDECREF(scopes);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
863 Py_XDECREF(local);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
864 Py_XDECREF(newbound);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
865 Py_XDECREF(newglobal);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
866 Py_XDECREF(newfree);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
867 Py_XDECREF(allfree);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
868 if (!success)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
869 assert(PyErr_Occurred());
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
870 return success;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
871 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
872
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
873 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
874 analyze_child_block(PySTEntryObject *entry, PyObject *bound, PyObject *free,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
875 PyObject *global, PyObject* child_free)
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
876 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
877 PyObject *temp_bound = NULL, *temp_global = NULL, *temp_free = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
878 PyObject *temp;
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
879
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
880 /* Copy the bound and global dictionaries.
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
881
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
882 These dictionary are used by all blocks enclosed by the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
883 current block. The analyze_block() call modifies these
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
884 dictionaries.
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
885
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
886 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
887 temp_bound = PySet_New(bound);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
888 if (!temp_bound)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
889 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
890 temp_free = PySet_New(free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
891 if (!temp_free)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
892 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
893 temp_global = PySet_New(global);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
894 if (!temp_global)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
895 goto error;
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
896
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
897 if (!analyze_block(entry, temp_bound, temp_free, temp_global))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
898 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
899 temp = PyNumber_InPlaceOr(child_free, temp_free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
900 if (!temp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
901 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
902 Py_DECREF(temp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
903 Py_DECREF(temp_bound);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
904 Py_DECREF(temp_free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
905 Py_DECREF(temp_global);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
906 return 1;
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
907 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
908 Py_XDECREF(temp_bound);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
909 Py_XDECREF(temp_free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
910 Py_XDECREF(temp_global);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
911 return 0;
52528
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
912 }
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
913
2b436310fc8b Merged revisions 70801,70809 via svnmerge from
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 51959
diff changeset
914 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
915 symtable_analyze(struct symtable *st)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
916 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
917 PyObject *free, *global;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
918 int r;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
919
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
920 free = PySet_New(NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
921 if (!free)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
922 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
923 global = PySet_New(NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
924 if (!global) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
925 Py_DECREF(free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
926 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
927 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
928 r = analyze_block(st->st_top, NULL, free, global);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
929 Py_DECREF(free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
930 Py_DECREF(global);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
931 return r;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
932 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
933
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
934
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
935 static int
36089
4aa01879a8f5 Bug #889500, fix line number on SyntaxWarning for global declarations.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35939
diff changeset
936 symtable_warn(struct symtable *st, char *msg, int lineno)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
937 {
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
938 PyObject *message = PyUnicode_FromString(msg);
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
939 if (message == NULL)
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
940 return 0;
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
941 if (PyErr_WarnExplicitObject(PyExc_SyntaxWarning, message, st->st_filename,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
942 lineno, NULL, NULL) < 0) {
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
943 Py_DECREF(message);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
944 if (PyErr_ExceptionMatches(PyExc_SyntaxWarning)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
945 PyErr_SetString(PyExc_SyntaxError, msg);
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
946 PyErr_SyntaxLocationObject(st->st_filename, st->st_cur->ste_lineno,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
947 st->st_cur->ste_col_offset);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
948 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
949 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
950 }
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
951 Py_DECREF(message);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
952 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
953 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
954
48725
40c07a61e1c2 Merged revisions 65715,65724,65726,65732,65736-65739,65775 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 48660
diff changeset
955 /* symtable_enter_block() gets a reference via ste_new.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
956 This reference is released when the block is exited, via the DECREF
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
957 in symtable_exit_block().
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
958 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
959
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
960 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
961 symtable_exit_block(struct symtable *st, void *ast)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
962 {
71087
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
963 Py_ssize_t size;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
964
71087
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
965 st->st_cur = NULL;
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
966 size = PyList_GET_SIZE(st->st_stack);
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
967 if (size) {
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
968 if (PyList_SetSlice(st->st_stack, size - 1, size, NULL) < 0)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
969 return 0;
71129
6b3872a11299 fix possibily uninitialized memory usage (closes #12474)
Benjamin Peterson <benjamin@python.org>
parents: 71087
diff changeset
970 if (--size)
6b3872a11299 fix possibily uninitialized memory usage (closes #12474)
Benjamin Peterson <benjamin@python.org>
parents: 71087
diff changeset
971 st->st_cur = (PySTEntryObject *)PyList_GET_ITEM(st->st_stack, size - 1);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
972 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
973 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
974 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
975
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
976 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
977 symtable_enter_block(struct symtable *st, identifier name, _Py_block_ty block,
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
978 void *ast, int lineno, int col_offset)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
979 {
71087
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
980 PySTEntryObject *prev = NULL, *ste;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
981
71087
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
982 ste = ste_new(st, name, block, ast, lineno, col_offset);
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
983 if (ste == NULL)
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
984 return 0;
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
985 if (PyList_Append(st->st_stack, (PyObject *)ste) < 0) {
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
986 Py_DECREF(ste);
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
987 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
988 }
71087
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
989 prev = st->st_cur;
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
990 /* The entry is owned by the stack. Borrow it for st_cur. */
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
991 Py_DECREF(ste);
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
992 st->st_cur = ste;
65393
3618d9d7902d Merged revisions 85562 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 61467
diff changeset
993 if (block == ModuleBlock)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
994 st->st_global = st->st_cur->ste_symbols;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
995 if (prev) {
71087
151142c0c5b1 store the current scope on the stack right away
Benjamin Peterson <benjamin@python.org>
parents: 71082
diff changeset
996 if (PyList_Append(prev->ste_children, (PyObject *)ste) < 0) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
997 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
998 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
999 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1000 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1001 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1002
36231
d3f4c467e439 Fix icc warnings: conversion from "long" to "int" may lose significant bits
Neal Norwitz <nnorwitz@gmail.com>
parents: 36226
diff changeset
1003 static long
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1004 symtable_lookup(struct symtable *st, PyObject *name)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1005 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1006 PyObject *o;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1007 PyObject *mangled = _Py_Mangle(st->st_private, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1008 if (!mangled)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1009 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1010 o = PyDict_GetItem(st->st_cur->ste_symbols, mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1011 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1012 if (!o)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1013 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1014 return PyLong_AsLong(o);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1015 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1016
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1017 static int
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1018 symtable_add_def(struct symtable *st, PyObject *name, int flag)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1019 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1020 PyObject *o;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1021 PyObject *dict;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1022 long val;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1023 PyObject *mangled = _Py_Mangle(st->st_private, name);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1024
40965
30e5cb3a55ac Provisional implementation of PEP 3104.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 40898
diff changeset
1025
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1026 if (!mangled)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1027 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1028 dict = st->st_cur->ste_symbols;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1029 if ((o = PyDict_GetItem(dict, mangled))) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1030 val = PyLong_AS_LONG(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1031 if ((flag & DEF_PARAM) && (val & DEF_PARAM)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1032 /* Is it better to use 'mangled' or 'name' here? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1033 PyErr_Format(PyExc_SyntaxError, DUPLICATE_ARGUMENT, name);
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
1034 PyErr_SyntaxLocationObject(st->st_filename,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
1035 st->st_cur->ste_lineno,
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
1036 st->st_cur->ste_col_offset);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1037 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1038 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1039 val |= flag;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1040 } else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1041 val = flag;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1042 o = PyLong_FromLong(val);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1043 if (o == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1044 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1045 if (PyDict_SetItem(dict, mangled, o) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1046 Py_DECREF(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1047 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1048 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1049 Py_DECREF(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1050
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1051 if (flag & DEF_PARAM) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1052 if (PyList_Append(st->st_cur->ste_varnames, mangled) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1053 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1054 } else if (flag & DEF_GLOBAL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1055 /* XXX need to update DEF_GLOBAL for other flags too;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1056 perhaps only DEF_FREE_GLOBAL */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1057 val = flag;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1058 if ((o = PyDict_GetItem(st->st_global, mangled))) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1059 val |= PyLong_AS_LONG(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1060 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1061 o = PyLong_FromLong(val);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1062 if (o == NULL)
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1063 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1064 if (PyDict_SetItem(st->st_global, mangled, o) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1065 Py_DECREF(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1066 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1067 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1068 Py_DECREF(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1069 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1070 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1071 return 1;
35779
19d796bd740f Fix private name mangling. The symtable also must do mangles so that
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35766
diff changeset
1072
19d796bd740f Fix private name mangling. The symtable also must do mangles so that
Neil Schemenauer <nascheme@enme.ucalgary.ca>
parents: 35766
diff changeset
1073 error:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1074 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1075 return 0;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1076 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1077
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1078 /* VISIT, VISIT_SEQ and VIST_SEQ_TAIL take an ASDL type as their second argument.
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1079 They use the ASDL name to synthesize the name of the C type and the visit
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1080 function.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1081
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1082 VISIT_SEQ_TAIL permits the start of an ASDL sequence to be skipped, which is
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1083 useful if the first node in the sequence requires special treatment.
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1084
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1085 VISIT_QUIT macro returns the specified value exiting from the function but
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1086 first adjusts current recursion counter depth.
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1087 */
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1088
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1089 #define VISIT_QUIT(ST, X) \
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1090 return --(ST)->recursion_depth,(X)
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1091
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1092 #define VISIT(ST, TYPE, V) \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1093 if (!symtable_visit_ ## TYPE((ST), (V))) \
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1094 VISIT_QUIT((ST), 0);
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35793
diff changeset
1095
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1096 #define VISIT_SEQ(ST, TYPE, SEQ) { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1097 int i; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1098 asdl_seq *seq = (SEQ); /* avoid variable capture */ \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1099 for (i = 0; i < asdl_seq_LEN(seq); i++) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1100 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, i); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1101 if (!symtable_visit_ ## TYPE((ST), elt)) \
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1102 VISIT_QUIT((ST), 0); \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1103 } \
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1104 }
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35793
diff changeset
1105
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1106 #define VISIT_SEQ_TAIL(ST, TYPE, SEQ, START) { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1107 int i; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1108 asdl_seq *seq = (SEQ); /* avoid variable capture */ \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1109 for (i = (START); i < asdl_seq_LEN(seq); i++) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1110 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, i); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1111 if (!symtable_visit_ ## TYPE((ST), elt)) \
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1112 VISIT_QUIT((ST), 0); \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1113 } \
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1114 }
35863
79f2ce320192 Fix a lot of memory and ref leaks in error paths.
Neal Norwitz <nnorwitz@gmail.com>
parents: 35793
diff changeset
1115
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1116 #define VISIT_KWONLYDEFAULTS(ST, KW_DEFAULTS) { \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1117 int i = 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1118 asdl_seq *seq = (KW_DEFAULTS); /* avoid variable capture */ \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1119 for (i = 0; i < asdl_seq_LEN(seq); i++) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1120 expr_ty elt = (expr_ty)asdl_seq_GET(seq, i); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1121 if (!elt) continue; /* can be NULL */ \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1122 if (!symtable_visit_expr((ST), elt)) \
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1123 VISIT_QUIT((ST), 0); \
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1124 } \
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1125 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1126
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1127 static int
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
1128 symtable_new_tmpname(struct symtable *st)
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
1129 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1130 char tmpname[256];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1131 identifier tmp;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
1132
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1133 PyOS_snprintf(tmpname, sizeof(tmpname), "_[%d]",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1134 ++st->st_cur->ste_tmpname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1135 tmp = PyUnicode_InternFromString(tmpname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1136 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1137 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1138 if (!symtable_add_def(st, tmp, DEF_LOCAL))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1139 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1140 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1141 return 1;
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
1142 }
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
1143
40215
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation.
Guido van Rossum <guido@python.org>
parents: 39783
diff changeset
1144
36695
b6d2f6fd3e11 PEP 343 -- the with-statement.
Guido van Rossum <guido@python.org>
parents: 36666
diff changeset
1145 static int
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1146 symtable_record_directive(struct symtable *st, identifier name, stmt_ty s)
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1147 {
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1148 PyObject *data;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1149 int res;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1150 if (!st->st_cur->ste_directives) {
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1151 st->st_cur->ste_directives = PyList_New(0);
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1152 if (!st->st_cur->ste_directives)
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1153 return 0;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1154 }
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1155 data = Py_BuildValue("(Oii)", name, s->lineno, s->col_offset);
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1156 if (!data)
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1157 return 0;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1158 res = PyList_Append(st->st_cur->ste_directives, data);
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1159 Py_DECREF(data);
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1160 return res == 0;
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1161 }
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1162
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1163
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1164 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1165 symtable_visit_stmt(struct symtable *st, stmt_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1166 {
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1167 if (++st->recursion_depth > st->recursion_limit) {
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1168 PyErr_SetString(PyExc_RuntimeError,
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1169 "maximum recursion depth exceeded during compilation");
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1170 VISIT_QUIT(st, 0);
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1171 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1172 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1173 case FunctionDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1174 if (!symtable_add_def(st, s->v.FunctionDef.name, DEF_LOCAL))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1175 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1176 if (s->v.FunctionDef.args->defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1177 VISIT_SEQ(st, expr, s->v.FunctionDef.args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1178 if (s->v.FunctionDef.args->kw_defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1179 VISIT_KWONLYDEFAULTS(st,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1180 s->v.FunctionDef.args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1181 if (!symtable_visit_annotations(st, s))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1182 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1183 if (s->v.FunctionDef.decorator_list)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1184 VISIT_SEQ(st, expr, s->v.FunctionDef.decorator_list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1185 if (!symtable_enter_block(st, s->v.FunctionDef.name,
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1186 FunctionBlock, (void *)s, s->lineno,
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1187 s->col_offset))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1188 VISIT_QUIT(st, 0);
71082
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1189 VISIT(st, arguments, s->v.FunctionDef.args);
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1190 VISIT_SEQ(st, stmt, s->v.FunctionDef.body);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1191 if (!symtable_exit_block(st, s))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1192 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1193 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1194 case ClassDef_kind: {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1195 PyObject *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1196 if (!symtable_add_def(st, s->v.ClassDef.name, DEF_LOCAL))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1197 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1198 VISIT_SEQ(st, expr, s->v.ClassDef.bases);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1199 VISIT_SEQ(st, keyword, s->v.ClassDef.keywords);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1200 if (s->v.ClassDef.starargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1201 VISIT(st, expr, s->v.ClassDef.starargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1202 if (s->v.ClassDef.kwargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1203 VISIT(st, expr, s->v.ClassDef.kwargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1204 if (s->v.ClassDef.decorator_list)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1205 VISIT_SEQ(st, expr, s->v.ClassDef.decorator_list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1206 if (!symtable_enter_block(st, s->v.ClassDef.name, ClassBlock,
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1207 (void *)s, s->lineno, s->col_offset))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1208 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1209 tmp = st->st_private;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1210 st->st_private = s->v.ClassDef.name;
71082
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1211 VISIT_SEQ(st, stmt, s->v.ClassDef.body);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1212 st->st_private = tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1213 if (!symtable_exit_block(st, s))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1214 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1215 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1216 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1217 case Return_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1218 if (s->v.Return.value) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1219 VISIT(st, expr, s->v.Return.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1220 st->st_cur->ste_returns_value = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1221 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1222 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1223 case Delete_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1224 VISIT_SEQ(st, expr, s->v.Delete.targets);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1225 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1226 case Assign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1227 VISIT_SEQ(st, expr, s->v.Assign.targets);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1228 VISIT(st, expr, s->v.Assign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1229 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1230 case AugAssign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1231 VISIT(st, expr, s->v.AugAssign.target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1232 VISIT(st, expr, s->v.AugAssign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1233 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1234 case For_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1235 VISIT(st, expr, s->v.For.target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1236 VISIT(st, expr, s->v.For.iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1237 VISIT_SEQ(st, stmt, s->v.For.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1238 if (s->v.For.orelse)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1239 VISIT_SEQ(st, stmt, s->v.For.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1240 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1241 case While_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1242 VISIT(st, expr, s->v.While.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1243 VISIT_SEQ(st, stmt, s->v.While.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1244 if (s->v.While.orelse)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1245 VISIT_SEQ(st, stmt, s->v.While.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1246 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1247 case If_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1248 /* XXX if 0: and lookup_yield() hacks */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1249 VISIT(st, expr, s->v.If.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1250 VISIT_SEQ(st, stmt, s->v.If.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1251 if (s->v.If.orelse)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1252 VISIT_SEQ(st, stmt, s->v.If.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1253 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1254 case Raise_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1255 if (s->v.Raise.exc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1256 VISIT(st, expr, s->v.Raise.exc);
69231
b6fe63c914e4 Issue #9904: fix and clarify some comments + fix indentation in symtable code
Eli Bendersky <eliben@gmail.com>
parents: 68257
diff changeset
1257 if (s->v.Raise.cause) {
b6fe63c914e4 Issue #9904: fix and clarify some comments + fix indentation in symtable code
Eli Bendersky <eliben@gmail.com>
parents: 68257
diff changeset
1258 VISIT(st, expr, s->v.Raise.cause);
b6fe63c914e4 Issue #9904: fix and clarify some comments + fix indentation in symtable code
Eli Bendersky <eliben@gmail.com>
parents: 68257
diff changeset
1259 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1260 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1261 break;
70499
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
1262 case Try_kind:
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
1263 VISIT_SEQ(st, stmt, s->v.Try.body);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
1264 VISIT_SEQ(st, stmt, s->v.Try.orelse);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
1265 VISIT_SEQ(st, excepthandler, s->v.Try.handlers);
e0e663132363 unify TryExcept and TryFinally (closes #12199)
Benjamin Peterson <benjamin@python.org>
parents: 70438
diff changeset
1266 VISIT_SEQ(st, stmt, s->v.Try.finalbody);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1267 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1268 case Assert_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1269 VISIT(st, expr, s->v.Assert.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1270 if (s->v.Assert.msg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1271 VISIT(st, expr, s->v.Assert.msg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1272 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1273 case Import_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1274 VISIT_SEQ(st, alias, s->v.Import.names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1275 /* XXX Don't have the lineno available inside
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1276 visit_alias */
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1277 if (st->st_cur->ste_unoptimized && !st->st_cur->ste_opt_lineno) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1278 st->st_cur->ste_opt_lineno = s->lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1279 st->st_cur->ste_opt_col_offset = s->col_offset;
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1280 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1281 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1282 case ImportFrom_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1283 VISIT_SEQ(st, alias, s->v.ImportFrom.names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1284 /* XXX Don't have the lineno available inside
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1285 visit_alias */
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1286 if (st->st_cur->ste_unoptimized && !st->st_cur->ste_opt_lineno) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1287 st->st_cur->ste_opt_lineno = s->lineno;
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1288 st->st_cur->ste_opt_col_offset = s->col_offset;
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1289 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1290 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1291 case Global_kind: {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1292 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1293 asdl_seq *seq = s->v.Global.names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1294 for (i = 0; i < asdl_seq_LEN(seq); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1295 identifier name = (identifier)asdl_seq_GET(seq, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1296 long cur = symtable_lookup(st, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1297 if (cur < 0)
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1298 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1299 if (cur & (DEF_LOCAL | USE)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1300 char buf[256];
80141
6964a9b6c1ea check return value of _PyUnicode_AsString
Benjamin Peterson <benjamin@python.org>
parents: 79010
diff changeset
1301 char *c_name = _PyUnicode_AsString(name);
6964a9b6c1ea check return value of _PyUnicode_AsString
Benjamin Peterson <benjamin@python.org>
parents: 79010
diff changeset
1302 if (!c_name)
6964a9b6c1ea check return value of _PyUnicode_AsString
Benjamin Peterson <benjamin@python.org>
parents: 79010
diff changeset
1303 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1304 if (cur & DEF_LOCAL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1305 PyOS_snprintf(buf, sizeof(buf),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1306 GLOBAL_AFTER_ASSIGN,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1307 c_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1308 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1309 PyOS_snprintf(buf, sizeof(buf),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1310 GLOBAL_AFTER_USE,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1311 c_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1312 if (!symtable_warn(st, buf, s->lineno))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1313 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1314 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1315 if (!symtable_add_def(st, name, DEF_GLOBAL))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1316 VISIT_QUIT(st, 0);
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1317 if (!symtable_record_directive(st, name, s))
80240
bd1db93d76e1 Issue #5765: Merge from 3.3
Nick Coghlan <ncoghlan@gmail.com>
parents: 80147 80239
diff changeset
1318 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1319 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1320 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1321 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1322 case Nonlocal_kind: {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1323 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1324 asdl_seq *seq = s->v.Nonlocal.names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1325 for (i = 0; i < asdl_seq_LEN(seq); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1326 identifier name = (identifier)asdl_seq_GET(seq, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1327 long cur = symtable_lookup(st, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1328 if (cur < 0)
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1329 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1330 if (cur & (DEF_LOCAL | USE)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1331 char buf[256];
80141
6964a9b6c1ea check return value of _PyUnicode_AsString
Benjamin Peterson <benjamin@python.org>
parents: 79010
diff changeset
1332 char *c_name = _PyUnicode_AsString(name);
6964a9b6c1ea check return value of _PyUnicode_AsString
Benjamin Peterson <benjamin@python.org>
parents: 79010
diff changeset
1333 if (!c_name)
6964a9b6c1ea check return value of _PyUnicode_AsString
Benjamin Peterson <benjamin@python.org>
parents: 79010
diff changeset
1334 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1335 if (cur & DEF_LOCAL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1336 PyOS_snprintf(buf, sizeof(buf),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1337 NONLOCAL_AFTER_ASSIGN,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1338 c_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1339 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1340 PyOS_snprintf(buf, sizeof(buf),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1341 NONLOCAL_AFTER_USE,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1342 c_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1343 if (!symtable_warn(st, buf, s->lineno))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1344 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1345 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1346 if (!symtable_add_def(st, name, DEF_NONLOCAL))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1347 VISIT_QUIT(st, 0);
80147
fbfaef0a9c00 point errors related to nonlocals and globals to the statement declaring them (closes #10189)
Benjamin Peterson <benjamin@python.org>
parents: 80141
diff changeset
1348 if (!symtable_record_directive(st, name, s))
80240
bd1db93d76e1 Issue #5765: Merge from 3.3
Nick Coghlan <ncoghlan@gmail.com>
parents: 80147 80239
diff changeset
1349 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1350 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1351 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1352 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1353 case Expr_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1354 VISIT(st, expr, s->v.Expr.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1355 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1356 case Pass_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1357 case Break_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1358 case Continue_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1359 /* nothing to do here */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1360 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1361 case With_kind:
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1362 VISIT_SEQ(st, withitem, s->v.With.items);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1363 VISIT_SEQ(st, stmt, s->v.With.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1364 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1365 }
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1366 VISIT_QUIT(st, 1);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1367 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1368
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1369 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1370 symtable_visit_expr(struct symtable *st, expr_ty e)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1371 {
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1372 if (++st->recursion_depth > st->recursion_limit) {
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1373 PyErr_SetString(PyExc_RuntimeError,
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1374 "maximum recursion depth exceeded during compilation");
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1375 VISIT_QUIT(st, 0);
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1376 }
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1377 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1378 case BoolOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1379 VISIT_SEQ(st, expr, e->v.BoolOp.values);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1380 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1381 case BinOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1382 VISIT(st, expr, e->v.BinOp.left);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1383 VISIT(st, expr, e->v.BinOp.right);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1384 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1385 case UnaryOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1386 VISIT(st, expr, e->v.UnaryOp.operand);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1387 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1388 case Lambda_kind: {
61466
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57376
diff changeset
1389 if (!GET_IDENTIFIER(lambda))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1390 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1391 if (e->v.Lambda.args->defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1392 VISIT_SEQ(st, expr, e->v.Lambda.args->defaults);
73366
1e0e821d2626 Issue #13343: Fix a SystemError when a lambda expression uses a global
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 70919
diff changeset
1393 if (e->v.Lambda.args->kw_defaults)
1e0e821d2626 Issue #13343: Fix a SystemError when a lambda expression uses a global
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 70919
diff changeset
1394 VISIT_KWONLYDEFAULTS(st,
1e0e821d2626 Issue #13343: Fix a SystemError when a lambda expression uses a global
Amaury Forgeot d'Arc <amauryfa@gmail.com>
parents: 70919
diff changeset
1395 e->v.Lambda.args->kw_defaults);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1396 if (!symtable_enter_block(st, lambda,
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1397 FunctionBlock, (void *)e, e->lineno,
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1398 e->col_offset))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1399 VISIT_QUIT(st, 0);
71082
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1400 VISIT(st, arguments, e->v.Lambda.args);
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1401 VISIT(st, expr, e->v.Lambda.body);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1402 if (!symtable_exit_block(st, (void *)e))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1403 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1404 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1405 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1406 case IfExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1407 VISIT(st, expr, e->v.IfExp.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1408 VISIT(st, expr, e->v.IfExp.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1409 VISIT(st, expr, e->v.IfExp.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1410 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1411 case Dict_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1412 VISIT_SEQ(st, expr, e->v.Dict.keys);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1413 VISIT_SEQ(st, expr, e->v.Dict.values);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1414 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1415 case Set_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1416 VISIT_SEQ(st, expr, e->v.Set.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1417 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1418 case GeneratorExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1419 if (!symtable_visit_genexp(st, e))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1420 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1421 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1422 case ListComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1423 if (!symtable_visit_listcomp(st, e))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1424 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1425 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1426 case SetComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1427 if (!symtable_visit_setcomp(st, e))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1428 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1429 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1430 case DictComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1431 if (!symtable_visit_dictcomp(st, e))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1432 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1433 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1434 case Yield_kind:
80589
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
1435 if (e->v.Yield.value)
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
1436 VISIT(st, expr, e->v.Yield.value);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1437 st->st_cur->ste_generator = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1438 break;
80589
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
1439 case YieldFrom_kind:
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
1440 VISIT(st, expr, e->v.YieldFrom.value);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
1441 st->st_cur->ste_generator = 1;
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory.
Mark Dickinson <mdickinson@enthought.com>
parents: 80239
diff changeset
1442 break;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1443 case Compare_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1444 VISIT(st, expr, e->v.Compare.left);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1445 VISIT_SEQ(st, expr, e->v.Compare.comparators);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1446 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1447 case Call_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1448 VISIT(st, expr, e->v.Call.func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1449 VISIT_SEQ(st, expr, e->v.Call.args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1450 VISIT_SEQ(st, keyword, e->v.Call.keywords);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1451 if (e->v.Call.starargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1452 VISIT(st, expr, e->v.Call.starargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1453 if (e->v.Call.kwargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1454 VISIT(st, expr, e->v.Call.kwargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1455 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1456 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1457 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1458 case Bytes_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1459 case Ellipsis_kind:
80738
03f92a9f0875 create NameConstant AST class for None, True, and False literals (closes #16619)
Benjamin Peterson <benjamin@python.org>
parents: 80590
diff changeset
1460 case NameConstant_kind:
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1461 /* Nothing to do here. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1462 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1463 /* The following exprs can be assignment targets. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1464 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1465 VISIT(st, expr, e->v.Attribute.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1466 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1467 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1468 VISIT(st, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1469 VISIT(st, slice, e->v.Subscript.slice);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1470 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1471 case Starred_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1472 VISIT(st, expr, e->v.Starred.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1473 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1474 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1475 if (!symtable_add_def(st, e->v.Name.id,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1476 e->v.Name.ctx == Load ? USE : DEF_LOCAL))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1477 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1478 /* Special-case super: it counts as a use of __class__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1479 if (e->v.Name.ctx == Load &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1480 st->st_cur->ste_type == FunctionBlock &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1481 !PyUnicode_CompareWithASCIIString(e->v.Name.id, "super")) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1482 if (!GET_IDENTIFIER(__class__) ||
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1483 !symtable_add_def(st, __class__, USE))
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1484 VISIT_QUIT(st, 0);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1485 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1486 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1487 /* child nodes of List and Tuple will have expr_context set */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1488 case List_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1489 VISIT_SEQ(st, expr, e->v.List.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1490 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1491 case Tuple_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1492 VISIT_SEQ(st, expr, e->v.Tuple.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1493 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1494 }
80239
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler
Nick Coghlan <ncoghlan@gmail.com>
parents: 80141
diff changeset
1495 VISIT_QUIT(st, 1);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1496 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1497
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1498 static int
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1499 symtable_implicit_arg(struct symtable *st, int pos)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1500 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1501 PyObject *id = PyUnicode_FromFormat(".%d", pos);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1502 if (id == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1503 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1504 if (!symtable_add_def(st, id, DEF_PARAM)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1505 Py_DECREF(id);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1506 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1507 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1508 Py_DECREF(id);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1509 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1510 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1511
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1512 static int
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
1513 symtable_visit_params(struct symtable *st, asdl_seq *args)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1514 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1515 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1516
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1517 if (!args)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1518 return -1;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40215
diff changeset
1519
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1520 for (i = 0; i < asdl_seq_LEN(args); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1521 arg_ty arg = (arg_ty)asdl_seq_GET(args, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1522 if (!symtable_add_def(st, arg->arg, DEF_PARAM))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1523 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1524 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1525
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1526 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1527 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1528
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1529 static int
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
1530 symtable_visit_argannotations(struct symtable *st, asdl_seq *args)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1531 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1532 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1533
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1534 if (!args)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1535 return -1;
41717
9ad84070b22d Merged revisions 55328-55341 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 41699
diff changeset
1536
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1537 for (i = 0; i < asdl_seq_LEN(args); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1538 arg_ty arg = (arg_ty)asdl_seq_GET(args, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1539 if (arg->annotation)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1540 VISIT(st, expr, arg->annotation);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1541 }
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40215
diff changeset
1542
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1543 return 1;
40529
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40215
diff changeset
1544 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40215
diff changeset
1545
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40215
diff changeset
1546 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40215
diff changeset
1547 symtable_visit_annotations(struct symtable *st, stmt_ty s)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds
Neal Norwitz <nnorwitz@gmail.com>
parents: 40215
diff changeset
1548 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1549 arguments_ty a = s->v.FunctionDef.args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1550
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1551 if (a->args && !symtable_visit_argannotations(st, a->args))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1552 return 0;
82732
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
1553 if (a->vararg && a->vararg->annotation)
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
1554 VISIT(st, expr, a->vararg->annotation);
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
1555 if (a->kwarg && a->kwarg->annotation)
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
1556 VISIT(st, expr, a->kwarg->annotation);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1557 if (a->kwonlyargs && !symtable_visit_argannotations(st, a->kwonlyargs))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1558 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1559 if (s->v.FunctionDef.returns)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1560 VISIT(st, expr, s->v.FunctionDef.returns);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1561 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1562 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1563
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1564 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1565 symtable_visit_arguments(struct symtable *st, arguments_ty a)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1566 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1567 /* skip default arguments inside function block
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1568 XXX should ast be different?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1569 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1570 if (a->args && !symtable_visit_params(st, a->args))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1571 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1572 if (a->kwonlyargs && !symtable_visit_params(st, a->kwonlyargs))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1573 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1574 if (a->vararg) {
82732
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
1575 if (!symtable_add_def(st, a->vararg->arg, DEF_PARAM))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1576 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1577 st->st_cur->ste_varargs = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1578 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1579 if (a->kwarg) {
82732
7c5c678e4164 unify some ast.argument's attrs; change Attribute column offset (closes #16795)
Benjamin Peterson <benjamin@python.org>
parents: 80738
diff changeset
1580 if (!symtable_add_def(st, a->kwarg->arg, DEF_PARAM))
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1581 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1582 st->st_cur->ste_varkeywords = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1583 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1584 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1585 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1586
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1587
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1588 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1589 symtable_visit_excepthandler(struct symtable *st, excepthandler_ty eh)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1590 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1591 if (eh->v.ExceptHandler.type)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1592 VISIT(st, expr, eh->v.ExceptHandler.type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1593 if (eh->v.ExceptHandler.name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1594 if (!symtable_add_def(st, eh->v.ExceptHandler.name, DEF_LOCAL))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1595 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1596 VISIT_SEQ(st, stmt, eh->v.ExceptHandler.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1597 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1598 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1599
70438
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1600 static int
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1601 symtable_visit_withitem(struct symtable *st, withitem_ty item)
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1602 {
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1603 VISIT(st, expr, item->context_expr);
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1604 if (item->optional_vars) {
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1605 VISIT(st, expr, item->optional_vars);
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1606 }
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1607 return 1;
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1608 }
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106)
Benjamin Peterson <benjamin@python.org>
parents: 69231
diff changeset
1609
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1610
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1611 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1612 symtable_visit_alias(struct symtable *st, alias_ty a)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1613 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1614 /* Compute store_name, the name actually bound by the import
62260
44dc98502ac3 Merged revisions 81906 via svnmerge from
Benjamin Peterson <benjamin@python.org>
parents: 61466
diff changeset
1615 operation. It is different than a->name when a->name is a
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1616 dotted package name (e.g. spam.eggs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1617 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1618 PyObject *store_name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1619 PyObject *name = (a->asname == NULL) ? a->name : a->asname;
72475
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71129
diff changeset
1620 Py_ssize_t dot = PyUnicode_FindChar(name, '.', 0,
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71129
diff changeset
1621 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71129
diff changeset
1622 if (dot != -1) {
8beaa9a37387 Implement PEP 393.
Martin v. Löwis <martin@v.loewis.de>
parents: 71129
diff changeset
1623 store_name = PyUnicode_Substring(name, 0, dot);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1624 if (!store_name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1625 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1626 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1627 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1628 store_name = name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1629 Py_INCREF(store_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1630 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1631 if (PyUnicode_CompareWithASCIIString(name, "*")) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1632 int r = symtable_add_def(st, store_name, DEF_IMPORT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1633 Py_DECREF(store_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1634 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1635 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1636 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1637 if (st->st_cur->ste_type != ModuleBlock) {
70919
275862274567 fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 68257
diff changeset
1638 int lineno = st->st_cur->ste_lineno;
275862274567 fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 68257
diff changeset
1639 int col_offset = st->st_cur->ste_col_offset;
275862274567 fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 68257
diff changeset
1640 PyErr_SetString(PyExc_SyntaxError, IMPORT_STAR_WARNING);
85417
df2fdd42b375 Close #11619: The parser and the import machinery do not encode Unicode
Victor Stinner <victor.stinner@gmail.com>
parents: 84562
diff changeset
1641 PyErr_SyntaxLocationObject(st->st_filename, lineno, col_offset);
70919
275862274567 fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 68257
diff changeset
1642 Py_DECREF(store_name);
275862274567 fix indentation
Benjamin Peterson <benjamin@python.org>
parents: 68257
diff changeset
1643 return 0;
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1644 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1645 st->st_cur->ste_unoptimized |= OPT_IMPORT_STAR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1646 Py_DECREF(store_name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1647 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1648 }
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1649 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1650
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1651
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1652 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1653 symtable_visit_comprehension(struct symtable *st, comprehension_ty lc)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1654 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1655 VISIT(st, expr, lc->target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1656 VISIT(st, expr, lc->iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1657 VISIT_SEQ(st, expr, lc->ifs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1658 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1659 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1660
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1661
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1662 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1663 symtable_visit_keyword(struct symtable *st, keyword_ty k)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1664 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1665 VISIT(st, expr, k->value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1666 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1667 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1668
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1669
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1670 static int
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1671 symtable_visit_slice(struct symtable *st, slice_ty s)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1672 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1673 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1674 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1675 if (s->v.Slice.lower)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1676 VISIT(st, expr, s->v.Slice.lower)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1677 if (s->v.Slice.upper)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1678 VISIT(st, expr, s->v.Slice.upper)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1679 if (s->v.Slice.step)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1680 VISIT(st, expr, s->v.Slice.step)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1681 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1682 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1683 VISIT_SEQ(st, slice, s->v.ExtSlice.dims)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1684 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1685 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1686 VISIT(st, expr, s->v.Index.value)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1687 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1688 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1689 return 1;
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1690 }
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1691
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1692 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1693 symtable_handle_comprehension(struct symtable *st, expr_ty e,
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1694 identifier scope_name, asdl_seq *generators,
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1695 expr_ty elt, expr_ty value)
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1696 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1697 int is_generator = (e->kind == GeneratorExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1698 int needs_tmp = !is_generator;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1699 comprehension_ty outermost = ((comprehension_ty)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1700 asdl_seq_GET(generators, 0));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1701 /* Outermost iterator is evaluated in current scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1702 VISIT(st, expr, outermost->iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1703 /* Create comprehension scope for the rest */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1704 if (!scope_name ||
64861
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1705 !symtable_enter_block(st, scope_name, FunctionBlock, (void *)e,
861c35cef7aa add column offset to all syntax errors
Benjamin Peterson <benjamin@python.org>
parents: 63114
diff changeset
1706 e->lineno, e->col_offset)) {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1707 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1708 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1709 st->st_cur->ste_generator = is_generator;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1710 /* Outermost iter is received as an argument */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1711 if (!symtable_implicit_arg(st, 0)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1712 symtable_exit_block(st, (void *)e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1713 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1714 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1715 /* Allocate temporary name if needed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1716 if (needs_tmp && !symtable_new_tmpname(st)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1717 symtable_exit_block(st, (void *)e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1718 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1719 }
71082
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1720 VISIT(st, expr, outermost->target);
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1721 VISIT_SEQ(st, expr, outermost->ifs);
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1722 VISIT_SEQ_TAIL(st, comprehension, generators, 1);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1723 if (value)
71082
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1724 VISIT(st, expr, value);
099c7b0f24a6 remove VISIT_*_IN_BLOCK macros
Benjamin Peterson <benjamin@python.org>
parents: 70920
diff changeset
1725 VISIT(st, expr, elt);
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1726 return symtable_exit_block(st, (void *)e);
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 32121
diff changeset
1727 }
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1728
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1729 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1730 symtable_visit_genexp(struct symtable *st, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1731 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1732 return symtable_handle_comprehension(st, e, GET_IDENTIFIER(genexpr),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1733 e->v.GeneratorExp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1734 e->v.GeneratorExp.elt, NULL);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1735 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1736
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1737 static int
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1738 symtable_visit_listcomp(struct symtable *st, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1739 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1740 return symtable_handle_comprehension(st, e, GET_IDENTIFIER(listcomp),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1741 e->v.ListComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1742 e->v.ListComp.elt, NULL);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1743 }
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1744
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1745 static int
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1746 symtable_visit_setcomp(struct symtable *st, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1747 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1748 return symtable_handle_comprehension(st, e, GET_IDENTIFIER(setcomp),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1749 e->v.SetComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1750 e->v.SetComp.elt, NULL);
41464
060c79f6d919 Hide list comp variables and support set comprehensions
Nick Coghlan <ncoghlan@gmail.com>
parents: 41226
diff changeset
1751 }
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1752
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1753 static int
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1754 symtable_visit_dictcomp(struct symtable *st, expr_ty e)
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1755 {
61467
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1756 return symtable_handle_comprehension(st, e, GET_IDENTIFIER(dictcomp),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1757 e->v.DictComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1758 e->v.DictComp.key,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from
Antoine Pitrou <solipsis@pitrou.net>
parents: 57378
diff changeset
1759 e->v.DictComp.value);
42193
090588a17490 Merged revisions 56154-56264 via svnmerge from
Guido van Rossum <guido@python.org>
parents: 42084
diff changeset
1760 }