cpython-lru_cache-weakref: Python/compile.c annotate

annotate Python/compile.c @ 87610:dfadce7635ce 3.3

Skip test_find_mac on Windows (issue #19804). This test requires the ifconfig executable on $PATH, /sbin/, or /usr/sbin.

author	Serhiy Storchaka <storchaka@gmail.com>
date	Wed, 27 Nov 2013 08:57:51 +0200
parents	4d62a62ba44d
children	0872257752c2

rev	line source
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1 /*
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2 * This file compiles an abstract syntax tree (AST) into Python bytecode.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3 *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4 * The primary entry point is PyAST_Compile(), which returns a
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	5 * PyCodeObject. The compiler makes several passes to build the code
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	6 * object:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	7 * 1. Checks for future statements. See future.c
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	8 * 2. Builds a symbol table. See symtable.c.
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	9 * 3. Generate code for basic blocks. See compiler_mod() in this file.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	10 * 4. Assemble the basic blocks into final code. See assemble() in
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	11 * this file.
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	12 * 5. Optimize the byte code (peephole optimizations). See peephole.c
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	13 *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	14 * Note that compiler_mod() suggests module, but the module ast type
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	15 * (mod_ty) has cases for expressions and interactive statements.
35881 29420bd3b5cb Correctly handle identifiers for anonymous scopes and align genexpr name with symtable.c Nick Coghlan <ncoghlan@gmail.com> parents: 35863 diff changeset	16 *
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	17 * CAUTION: The VISIT_* macros abort the current function when they
1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	18 * encounter a problem. So don't invoke them when there is memory
1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	19 * which needs to be released. Code blocks are OK, as the compiler
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	20 * structure takes care of releasing those. Use the arena to manage
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	21 * objects.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	22 */
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	23
5373 5880384d7c71 Quickly renamed the remaining files -- this directory is done. Guido van Rossum <guido@python.org> parents: 5287 diff changeset	24 #include "Python.h"
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 73 diff changeset	25
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	26 #include "Python-ast.h"
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	27 #include "node.h"
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	28 #include "ast.h"
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	29 #include "code.h"
16421 aa844711463a Move a bunch of definitions that were internal to compile.c to Jeremy Hylton <jeremy@alum.mit.edu> parents: 16408 diff changeset	30 #include "symtable.h"
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	31 #include "opcode.h"
5438 e926c331ebbf Instead of importing graminit.h whenever one of the three grammar 'root' Guido van Rossum <guido@python.org> parents: 5373 diff changeset	32
5164 8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is Guido van Rossum <guido@python.org> parents: 5119 diff changeset	33 int Py_OptimizeFlag = 0;
8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is Guido van Rossum <guido@python.org> parents: 5119 diff changeset	34
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	35 #define DEFAULT_BLOCK_SIZE 16
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	36 #define DEFAULT_BLOCKS 8
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	37 #define DEFAULT_CODE_SIZE 128
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	38 #define DEFAULT_LNOTAB_SIZE 16
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	39
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	40 #define COMP_GENEXP 0
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	41 #define COMP_LISTCOMP 1
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	42 #define COMP_SETCOMP 2
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	43 #define COMP_DICTCOMP 3
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	44
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	45 struct instr {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	46 unsigned i_jabs : 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	47 unsigned i_jrel : 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	48 unsigned i_hasarg : 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	49 unsigned char i_opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	50 int i_oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	51 struct basicblock_ i_target; / target block (if jump instruction) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	52 int i_lineno;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	53 };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	54
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	55 typedef struct basicblock_ {
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37057 diff changeset	56 /* Each basicblock in a compilation unit is linked via b_list in the
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37057 diff changeset	57 reverse order that the block are allocated. b_list points to the next
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37057 diff changeset	58 block, not to be confused with b_next, which is next by control flow. */
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	59 struct basicblock_ *b_list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	60 /* number of instructions used */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	61 int b_iused;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	62 /* length of instruction array (b_instr) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	63 int b_ialloc;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	64 /* pointer to an array of instructions, initially NULL */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	65 struct instr *b_instr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	66 /* If b_next is non-NULL, it is a pointer to the next
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	67 block reached by normal control flow. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	68 struct basicblock_ *b_next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	69 /* b_seen is used to perform a DFS of basicblocks. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	70 unsigned b_seen : 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	71 /* b_return is true if a RETURN_VALUE opcode is inserted. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	72 unsigned b_return : 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	73 /* depth of stack upon entry of block, computed by stackdepth() */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	74 int b_startdepth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	75 /* instruction offset for block, computed by assemble_jump_offsets() */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	76 int b_offset;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	77 } basicblock;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	78
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	79 /* fblockinfo tracks the current frame block.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	80
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	81 A frame block is used to handle loops, try/except, and try/finally.
1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	82 It's called a frame block to distinguish it from a basic block in the
1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	83 compiler IR.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	84 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	85
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	86 enum fblocktype { LOOP, EXCEPT, FINALLY_TRY, FINALLY_END };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	87
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	88 struct fblockinfo {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	89 enum fblocktype fb_type;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	90 basicblock *fb_block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	91 };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	92
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	93 enum {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	94 COMPILER_SCOPE_MODULE,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	95 COMPILER_SCOPE_CLASS,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	96 COMPILER_SCOPE_FUNCTION,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	97 COMPILER_SCOPE_COMPREHENSION,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	98 };
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	99
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	100 /* The following items change on entry and exit of code blocks.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	101 They must be saved and restored when returning to a block.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	102 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	103 struct compiler_unit {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	104 PySTEntryObject *u_ste;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	105
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	106 PyObject *u_name;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	107 PyObject u_qualname; / dot-separated qualified name (lazy) */
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	108 int u_scope_type;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	109
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	110 /* The following fields are dicts that map objects to
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	111 the index of them in co_XXX. The index is used as
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	112 the argument for opcodes that refer to those collections.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	113 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	114 PyObject u_consts; / all constants */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	115 PyObject u_names; / all names */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	116 PyObject u_varnames; / local variables */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	117 PyObject u_cellvars; / cell variables */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	118 PyObject u_freevars; / free variables */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	119
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	120 PyObject u_private; / for private name mangling */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	121
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	122 int u_argcount; /* number of arguments for block */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	123 int u_kwonlyargcount; /* number of keyword only arguments for block */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	124 /* Pointer to the most recently allocated block. By following b_list
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	125 members, you can reach all early allocated blocks. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	126 basicblock *u_blocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	127 basicblock u_curblock; / pointer to current block */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	128
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	129 int u_nfblocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	130 struct fblockinfo u_fblock[CO_MAXBLOCKS];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	131
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	132 int u_firstlineno; /* the first lineno of the block */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	133 int u_lineno; /* the lineno for the current stmt */
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	134 int u_col_offset; /* the offset of the current stmt */
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	135 int u_lineno_set; /* boolean to indicate whether instr
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	136 has been generated with current lineno */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	137 };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	138
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	139 /* This struct captures the global state of a compilation.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	140
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	141 The u pointer points to the current compilation unit, while units
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	142 for enclosing blocks are stored in c_stack. The u and c_stack are
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	143 managed by compiler_enter_scope() and compiler_exit_scope().
80239 ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler Nick Coghlan <ncoghlan@gmail.com> parents: 78172 diff changeset	144
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler Nick Coghlan <ncoghlan@gmail.com> parents: 78172 diff changeset	145 Note that we don't track recursion levels during compilation - the
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler Nick Coghlan <ncoghlan@gmail.com> parents: 78172 diff changeset	146 task of detecting and rejecting excessive levels of nesting is
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler Nick Coghlan <ncoghlan@gmail.com> parents: 78172 diff changeset	147 handled by the symbol analysis pass.
ab02cd145f56 Issue #5765: Apply a hard recursion limit in the compiler Nick Coghlan <ncoghlan@gmail.com> parents: 78172 diff changeset	148
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	149 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	150
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	151 struct compiler {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	152 const char *c_filename;
70435 27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	153 PyObject *c_filename_obj;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	154 struct symtable *c_st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	155 PyFutureFeatures c_future; / pointer to module's __future__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	156 PyCompilerFlags *c_flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	157
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	158 int c_optimize; /* optimization level */
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	159 int c_interactive; /* true if in interactive mode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	160 int c_nestlevel;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	161
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	162 struct compiler_unit u; / compiler state for current block */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	163 PyObject c_stack; / Python list holding compiler_unit ptrs */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	164 PyArena c_arena; / pointer to memory allocation arena */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	165 };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	166
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	167 static int compiler_enter_scope(struct compiler , identifier, int, void , int);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	168 static void compiler_free(struct compiler *);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	169 static basicblock compiler_new_block(struct compiler );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	170 static int compiler_next_instr(struct compiler , basicblock );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	171 static int compiler_addop(struct compiler *, int);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	172 static int compiler_addop_o(struct compiler , int, PyObject , PyObject *);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	173 static int compiler_addop_i(struct compiler *, int, int);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	174 static int compiler_addop_j(struct compiler , int, basicblock , int);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	175 static basicblock compiler_use_new_block(struct compiler );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	176 static int compiler_error(struct compiler , const char );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	177 static int compiler_nameop(struct compiler *, identifier, expr_context_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	178
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	179 static PyCodeObject compiler_mod(struct compiler , mod_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	180 static int compiler_visit_stmt(struct compiler *, stmt_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	181 static int compiler_visit_keyword(struct compiler *, keyword_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	182 static int compiler_visit_expr(struct compiler *, expr_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	183 static int compiler_augassign(struct compiler *, stmt_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	184 static int compiler_visit_slice(struct compiler *, slice_ty,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	185 expr_context_ty);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	186
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	187 static int compiler_push_fblock(struct compiler *, enum fblocktype,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	188 basicblock *);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	189 static void compiler_pop_fblock(struct compiler *, enum fblocktype,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	190 basicblock *);
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	191 /* Returns true if there is a loop on the fblock stack. */
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	192 static int compiler_in_loop(struct compiler *);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	193
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	194 static int inplace_binop(struct compiler *, operator_ty);
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	195 static int expr_constant(struct compiler *, expr_ty);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	196
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	197 static int compiler_with(struct compiler *, stmt_ty, int);
41226 19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	198 static int compiler_call_helper(struct compiler *c, int n,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	199 asdl_seq *args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	200 asdl_seq *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	201 expr_ty starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	202 expr_ty kwargs);
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	203 static int compiler_try_except(struct compiler *, stmt_ty);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	204
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	205 static PyCodeObject assemble(struct compiler , int addNone);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	206 static PyObject *__doc__;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	207
53816 911df82bc25d add a replacement API for PyCObject, PyCapsule #5630 Benjamin Peterson <benjamin@python.org> parents: 51959 diff changeset	208 #define COMPILER_CAPSULE_NAME_COMPILER_UNIT "compile.c compiler unit"
911df82bc25d add a replacement API for PyCObject, PyCapsule #5630 Benjamin Peterson <benjamin@python.org> parents: 51959 diff changeset	209
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	210 PyObject *
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37057 diff changeset	211 _Py_Mangle(PyObject privateobj, PyObject ident)
33100 356887410bde Fix bug Michael W. Hudson <mwh@python.net> parents: 32977 diff changeset	212 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	213 /* Name mangling: __private becomes _classname__private.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	214 This is independent from how the name is used. */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	215 PyObject *result;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	216 size_t nlen, plen, ipriv;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	217 Py_UCS4 maxchar;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	218 if (privateobj == NULL \|\| !PyUnicode_Check(privateobj) \|\|
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	219 PyUnicode_READ_CHAR(ident, 0) != '_' \|\|
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	220 PyUnicode_READ_CHAR(ident, 1) != '_') {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	221 Py_INCREF(ident);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	222 return ident;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	223 }
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	224 nlen = PyUnicode_GET_LENGTH(ident);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	225 plen = PyUnicode_GET_LENGTH(privateobj);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	226 /* Don't mangle __id__ or names with dots.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	227
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	228 The only time a name with a dot can occur is when
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	229 we are compiling an import statement that has a
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	230 package name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	231
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	232 TODO(jhylton): Decide whether we want to support
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	233 mangling of the module name, e.g. __M.X.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	234 */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	235 if ((PyUnicode_READ_CHAR(ident, nlen-1) == '_' &&
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	236 PyUnicode_READ_CHAR(ident, nlen-2) == '_') \|\|
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	237 PyUnicode_FindChar(ident, '.', 0, nlen, 1) != -1) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	238 Py_INCREF(ident);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	239 return ident; /* Don't mangle __whatever__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	240 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	241 /* Strip leading underscores from class name */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	242 ipriv = 0;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	243 while (PyUnicode_READ_CHAR(privateobj, ipriv) == '_')
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	244 ipriv++;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	245 if (ipriv == plen) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	246 Py_INCREF(ident);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	247 return ident; /* Don't mangle if class is just underscores */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	248 }
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	249 plen -= ipriv;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	250
83160 72f0fd0c4d90 Issue #17645: convert an assert() into a proper exception in _Py_Mangle(). Antoine Pitrou <solipsis@pitrou.net> parents: 80589 diff changeset	251 if (plen + nlen >= PY_SSIZE_T_MAX - 1) {
72f0fd0c4d90 Issue #17645: convert an assert() into a proper exception in _Py_Mangle(). Antoine Pitrou <solipsis@pitrou.net> parents: 80589 diff changeset	252 PyErr_SetString(PyExc_OverflowError,
72f0fd0c4d90 Issue #17645: convert an assert() into a proper exception in _Py_Mangle(). Antoine Pitrou <solipsis@pitrou.net> parents: 80589 diff changeset	253 "private identifier too large to be mangled");
72f0fd0c4d90 Issue #17645: convert an assert() into a proper exception in _Py_Mangle(). Antoine Pitrou <solipsis@pitrou.net> parents: 80589 diff changeset	254 return NULL;
72f0fd0c4d90 Issue #17645: convert an assert() into a proper exception in _Py_Mangle(). Antoine Pitrou <solipsis@pitrou.net> parents: 80589 diff changeset	255 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	256
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	257 maxchar = PyUnicode_MAX_CHAR_VALUE(ident);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	258 if (PyUnicode_MAX_CHAR_VALUE(privateobj) > maxchar)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	259 maxchar = PyUnicode_MAX_CHAR_VALUE(privateobj);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	260
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	261 result = PyUnicode_New(1 + nlen + plen, maxchar);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	262 if (!result)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	263 return 0;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	264 /* ident = "_" + priv[ipriv:] + ident # i.e. 1+plen+nlen bytes */
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	265 PyUnicode_WRITE(PyUnicode_KIND(result), PyUnicode_DATA(result), 0, '_');
72493 c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	266 if (PyUnicode_CopyCharacters(result, 1, privateobj, ipriv, plen) < 0) {
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	267 Py_DECREF(result);
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	268 return NULL;
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	269 }
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	270 if (PyUnicode_CopyCharacters(result, plen+1, ident, 0, nlen) < 0) {
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	271 Py_DECREF(result);
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	272 return NULL;
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	273 }
76573 1439e2d1f490 Check newly created consistency using _PyUnicode_CheckConsistency(str, 1) Victor Stinner <victor.stinner@gmail.com> parents: 76383 diff changeset	274 assert(_PyUnicode_CheckConsistency(result, 1));
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	275 return result;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	276 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	277
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	278 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	279 compiler_init(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	280 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	281 memset(c, 0, sizeof(struct compiler));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	282
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	283 c->c_stack = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	284 if (!c->c_stack)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	285 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	286
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	287 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	288 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	289
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	290 PyCodeObject *
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	291 PyAST_CompileEx(mod_ty mod, const char filename, PyCompilerFlags flags,
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	292 int optimize, PyArena *arena)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	293 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	294 struct compiler c;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	295 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	296 PyCompilerFlags local_flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	297 int merged;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	298
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	299 if (!__doc__) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	300 __doc__ = PyUnicode_InternFromString("__doc__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	301 if (!__doc__)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	302 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	303 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	304
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	305 if (!compiler_init(&c))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	306 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	307 c.c_filename = filename;
70435 27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	308 c.c_filename_obj = PyUnicode_DecodeFSDefault(filename);
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	309 if (!c.c_filename_obj)
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	310 goto finally;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	311 c.c_arena = arena;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	312 c.c_future = PyFuture_FromAST(mod, filename);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	313 if (c.c_future == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	314 goto finally;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	315 if (!flags) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	316 local_flags.cf_flags = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	317 flags = &local_flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	318 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	319 merged = c.c_future->ff_features \| flags->cf_flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	320 c.c_future->ff_features = merged;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	321 flags->cf_flags = merged;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	322 c.c_flags = flags;
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	323 c.c_optimize = (optimize == -1) ? Py_OptimizeFlag : optimize;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	324 c.c_nestlevel = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	325
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	326 c.c_st = PySymtable_Build(mod, filename, c.c_future);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	327 if (c.c_st == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	328 if (!PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	329 PyErr_SetString(PyExc_SystemError, "no symtable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	330 goto finally;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	331 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	332
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	333 co = compiler_mod(&c, mod);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	334
36697 78de5f6b2f67 Clarify C-style exception handling with proper label name. Thomas Wouters <thomas@python.org> parents: 36696 diff changeset	335 finally:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	336 compiler_free(&c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	337 assert(co \|\| PyErr_Occurred());
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	338 return co;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	339 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	340
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	341 PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	342 PyNode_Compile(struct _node n, const char filename)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	343 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	344 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	345 mod_ty mod;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	346 PyArena *arena = PyArena_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	347 if (!arena)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	348 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	349 mod = PyAST_FromNode(n, NULL, filename, arena);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	350 if (mod)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	351 co = PyAST_Compile(mod, filename, NULL, arena);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	352 PyArena_Free(arena);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	353 return co;
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23589 diff changeset	354 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23589 diff changeset	355
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	356 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	357 compiler_free(struct compiler *c)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	358 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	359 if (c->c_st)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	360 PySymtable_Free(c->c_st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	361 if (c->c_future)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	362 PyObject_Free(c->c_future);
70435 27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	363 if (c->c_filename_obj)
27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	364 Py_DECREF(c->c_filename_obj);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	365 Py_DECREF(c->c_stack);
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	366 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	367
5373 5880384d7c71 Quickly renamed the remaining files -- this directory is done. Guido van Rossum <guido@python.org> parents: 5287 diff changeset	368 static PyObject *
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	369 list2dict(PyObject *list)
1399 cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	370 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	371 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	372 PyObject v, k;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	373 PyObject *dict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	374 if (!dict) return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	375
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	376 n = PyList_Size(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	377 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	378 v = PyLong_FromLong(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	379 if (!v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	380 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	381 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	382 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	383 k = PyList_GET_ITEM(list, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	384 k = PyTuple_Pack(2, k, k->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	385 if (k == NULL \|\| PyDict_SetItem(dict, k, v) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	386 Py_XDECREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	387 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	388 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	389 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	390 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	391 Py_DECREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	392 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	393 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	394 return dict;
1399 cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	395 }
cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	396
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	397 /* Return new dict containing names from src that match scope(s).
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	398
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	399 src is a symbol table dictionary. If the scope of a name matches
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	400 either scope_type or flag is set, insert it into the new dict. The
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	401 values are integers, starting at offset and increasing by one for
1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	402 each key.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	403 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	404
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	405 static PyObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	406 dictbytype(PyObject *src, int scope_type, int flag, int offset)
16006 51811d78a9da SF Patch #103250, by pj99: Optimize a strspn() out of startup. Guido van Rossum <guido@python.org> parents: 15438 diff changeset	407 {
78171 1577e66a6642 remove unused variable Meador Inge <meadori@gmail.com> parents: 78167 diff changeset	408 Py_ssize_t i = offset, scope, num_keys, key_i;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	409 PyObject k, v, *dest = PyDict_New();
78164 79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	410 PyObject *sorted_keys;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	411
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	412 assert(offset >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	413 if (dest == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	414 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	415
78164 79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	416 /* Sort the keys so that we have a deterministic order on the indexes
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	417 saved in the returned dictionary. These indexes are used as indexes
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	418 into the free and cell var storage. Therefore if they aren't
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	419 deterministic, then the generated bytecode is not deterministic.
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	420 */
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	421 sorted_keys = PyDict_Keys(src);
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	422 if (sorted_keys == NULL)
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	423 return NULL;
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	424 if (PyList_Sort(sorted_keys) != 0) {
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	425 Py_DECREF(sorted_keys);
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	426 return NULL;
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	427 }
78167 1c46f2ede4cb Issue #15368: fixing variable typo. Meador Inge <meadori@gmail.com> parents: 78164 diff changeset	428 num_keys = PyList_GET_SIZE(sorted_keys);
78164 79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	429
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	430 for (key_i = 0; key_i < num_keys; key_i++) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	431 /* XXX this should probably be a macro in symtable.h */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	432 long vi;
78164 79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	433 k = PyList_GET_ITEM(sorted_keys, key_i);
79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	434 v = PyDict_GetItem(src, k);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	435 assert(PyLong_Check(v));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	436 vi = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	437 scope = (vi >> SCOPE_OFFSET) & SCOPE_MASK;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	438
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	439 if (scope == scope_type \|\| vi & flag) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	440 PyObject tuple, item = PyLong_FromLong(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	441 if (item == NULL) {
78164 79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	442 Py_DECREF(sorted_keys);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	443 Py_DECREF(dest);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	444 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	445 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	446 i++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	447 tuple = PyTuple_Pack(2, k, k->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	448 if (!tuple \|\| PyDict_SetItem(dest, tuple, item) < 0) {
78164 79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	449 Py_DECREF(sorted_keys);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	450 Py_DECREF(item);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	451 Py_DECREF(dest);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	452 Py_XDECREF(tuple);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	453 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	454 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	455 Py_DECREF(item);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	456 Py_DECREF(tuple);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	457 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	458 }
78164 79d54fba49b3 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 76382 diff changeset	459 Py_DECREF(sorted_keys);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	460 return dest;
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	461 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	462
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	463 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	464 compiler_unit_check(struct compiler_unit *u)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	465 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	466 basicblock *block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	467 for (block = u->u_blocks; block != NULL; block = block->b_list) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	468 assert((void )block != (void )0xcbcbcbcb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	469 assert((void )block != (void )0xfbfbfbfb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	470 assert((void )block != (void )0xdbdbdbdb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	471 if (block->b_instr != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	472 assert(block->b_ialloc > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	473 assert(block->b_iused > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	474 assert(block->b_ialloc >= block->b_iused);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	475 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	476 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	477 assert (block->b_iused == 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	478 assert (block->b_ialloc == 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	479 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	480 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	481 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	482
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	483 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	484 compiler_unit_free(struct compiler_unit *u)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	485 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	486 basicblock b, next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	487
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	488 compiler_unit_check(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	489 b = u->u_blocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	490 while (b != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	491 if (b->b_instr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	492 PyObject_Free((void *)b->b_instr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	493 next = b->b_list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	494 PyObject_Free((void *)b);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	495 b = next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	496 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	497 Py_CLEAR(u->u_ste);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	498 Py_CLEAR(u->u_name);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	499 Py_CLEAR(u->u_qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	500 Py_CLEAR(u->u_consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	501 Py_CLEAR(u->u_names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	502 Py_CLEAR(u->u_varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	503 Py_CLEAR(u->u_freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	504 Py_CLEAR(u->u_cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	505 Py_CLEAR(u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	506 PyObject_Free(u);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	507 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	508
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	509 static int
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	510 compiler_enter_scope(struct compiler *c, identifier name,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	511 int scope_type, void *key, int lineno)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	512 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	513 struct compiler_unit *u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	514
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	515 u = (struct compiler_unit *)PyObject_Malloc(sizeof(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	516 struct compiler_unit));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	517 if (!u) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	518 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	519 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	520 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	521 memset(u, 0, sizeof(struct compiler_unit));
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	522 u->u_scope_type = scope_type;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	523 u->u_argcount = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	524 u->u_kwonlyargcount = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	525 u->u_ste = PySymtable_Lookup(c->c_st, key);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	526 if (!u->u_ste) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	527 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	528 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	529 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	530 Py_INCREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	531 u->u_name = name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	532 u->u_varnames = list2dict(u->u_ste->ste_varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	533 u->u_cellvars = dictbytype(u->u_ste->ste_symbols, CELL, 0, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	534 if (!u->u_varnames \|\| !u->u_cellvars) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	535 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	536 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	537 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	538
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	539 u->u_freevars = dictbytype(u->u_ste->ste_symbols, FREE, DEF_FREE_CLASS,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	540 PyDict_Size(u->u_cellvars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	541 if (!u->u_freevars) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	542 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	543 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	544 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	545
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	546 u->u_blocks = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	547 u->u_nfblocks = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	548 u->u_firstlineno = lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	549 u->u_lineno = 0;
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	550 u->u_col_offset = 0;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	551 u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	552 u->u_consts = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	553 if (!u->u_consts) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	554 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	555 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	556 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	557 u->u_names = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	558 if (!u->u_names) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	559 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	560 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	561 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	562
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	563 u->u_private = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	564
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	565 /* Push the old compiler_unit on the stack. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	566 if (c->u) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	567 PyObject *capsule = PyCapsule_New(c->u, COMPILER_CAPSULE_NAME_COMPILER_UNIT, NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	568 if (!capsule \|\| PyList_Append(c->c_stack, capsule) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	569 Py_XDECREF(capsule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	570 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	571 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	572 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	573 Py_DECREF(capsule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	574 u->u_private = c->u->u_private;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	575 Py_XINCREF(u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	576 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	577 c->u = u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	578
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	579 c->c_nestlevel++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	580 if (compiler_use_new_block(c) == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	581 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	582
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	583 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	584 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	585
35797 3778083fe2c8 Ensure that compiler_exit_scope() is called as necessary to free memory Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35790 diff changeset	586 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	587 compiler_exit_scope(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	588 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	589 int n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	590 PyObject *capsule;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	591
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	592 c->c_nestlevel--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	593 compiler_unit_free(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	594 /* Restore c->u to the parent unit. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	595 n = PyList_GET_SIZE(c->c_stack) - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	596 if (n >= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	597 capsule = PyList_GET_ITEM(c->c_stack, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	598 c->u = (struct compiler_unit *)PyCapsule_GetPointer(capsule, COMPILER_CAPSULE_NAME_COMPILER_UNIT);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	599 assert(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	600 /* we are deleting from a list so this really shouldn't fail */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	601 if (PySequence_DelItem(c->c_stack, n) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	602 Py_FatalError("compiler_exit_scope()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	603 compiler_unit_check(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	604 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	605 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	606 c->u = NULL;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	607
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	608 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	609
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	610 static PyObject *
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	611 compiler_scope_qualname(struct compiler *c)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	612 {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	613 Py_ssize_t stack_size, i;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	614 _Py_static_string(dot, ".");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	615 _Py_static_string(locals, "<locals>");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	616 struct compiler_unit *u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	617 PyObject capsule, name, seq, dot_str, *locals_str;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	618
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	619 u = c->u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	620 if (u->u_qualname != NULL) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	621 Py_INCREF(u->u_qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	622 return u->u_qualname;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	623 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	624
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	625 seq = PyList_New(0);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	626 if (seq == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	627 return NULL;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	628
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	629 stack_size = PyList_GET_SIZE(c->c_stack);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	630 for (i = 0; i < stack_size; i++) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	631 capsule = PyList_GET_ITEM(c->c_stack, i);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	632 u = (struct compiler_unit *)PyCapsule_GetPointer(capsule, COMPILER_CAPSULE_NAME_COMPILER_UNIT);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	633 assert(u);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	634 if (u->u_scope_type == COMPILER_SCOPE_MODULE)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	635 continue;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	636 if (PyList_Append(seq, u->u_name))
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	637 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	638 if (u->u_scope_type == COMPILER_SCOPE_FUNCTION) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	639 locals_str = _PyUnicode_FromId(&locals);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	640 if (locals_str == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	641 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	642 if (PyList_Append(seq, locals_str))
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	643 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	644 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	645 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	646 u = c->u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	647 if (PyList_Append(seq, u->u_name))
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	648 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	649 dot_str = _PyUnicode_FromId(&dot);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	650 if (dot_str == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	651 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	652 name = PyUnicode_Join(dot_str, seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	653 Py_DECREF(seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	654 u->u_qualname = name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	655 Py_XINCREF(name);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	656 return name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	657
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	658 _error:
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	659 Py_XDECREF(seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	660 return NULL;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	661 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	662
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	663 /* Allocate a new block and return a pointer to it.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	664 Returns NULL on error.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	665 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	666
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	667 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	668 compiler_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	669 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	670 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	671 struct compiler_unit *u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	672
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	673 u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	674 b = (basicblock *)PyObject_Malloc(sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	675 if (b == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	676 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	677 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	678 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	679 memset((void *)b, 0, sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	680 /* Extend the singly linked list of blocks with new block. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	681 b->b_list = u->u_blocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	682 u->u_blocks = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	683 return b;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	684 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	685
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	686 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	687 compiler_use_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	688 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	689 basicblock *block = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	690 if (block == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	691 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	692 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	693 return block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	694 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	695
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	696 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	697 compiler_next_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	698 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	699 basicblock *block = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	700 if (block == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	701 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	702 c->u->u_curblock->b_next = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	703 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	704 return block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	705 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	706
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	707 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	708 compiler_use_next_block(struct compiler c, basicblock block)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	709 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	710 assert(block != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	711 c->u->u_curblock->b_next = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	712 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	713 return block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	714 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	715
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	716 /* Returns the offset of the next instruction in the current block's
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	717 b_instr array. Resizes the b_instr as necessary.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	718 Returns -1 on failure.
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	719 */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	720
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	721 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	722 compiler_next_instr(struct compiler c, basicblock b)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	723 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	724 assert(b != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	725 if (b->b_instr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	726 b->b_instr = (struct instr *)PyObject_Malloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	727 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	728 if (b->b_instr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	729 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	730 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	731 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	732 b->b_ialloc = DEFAULT_BLOCK_SIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	733 memset((char *)b->b_instr, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	734 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	735 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	736 else if (b->b_iused == b->b_ialloc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	737 struct instr *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	738 size_t oldsize, newsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	739 oldsize = b->b_ialloc * sizeof(struct instr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	740 newsize = oldsize << 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	741
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	742 if (oldsize > (PY_SIZE_MAX >> 1)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	743 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	744 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	745 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	746
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	747 if (newsize == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	748 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	749 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	750 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	751 b->b_ialloc <<= 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	752 tmp = (struct instr *)PyObject_Realloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	753 (void *)b->b_instr, newsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	754 if (tmp == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	755 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	756 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	757 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	758 b->b_instr = tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	759 memset((char *)b->b_instr + oldsize, 0, newsize - oldsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	760 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	761 return b->b_iused++;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	762 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	763
45192 142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45082 diff changeset	764 /* Set the i_lineno member of the instruction at offset off if the
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45082 diff changeset	765 line number for the current expression/statement has not
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37057 diff changeset	766 already been set. If it has been set, the call has no effect.
f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37057 diff changeset	767
45192 142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45082 diff changeset	768 The line number is reset in the following cases:
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45082 diff changeset	769 - when entering a new scope
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45082 diff changeset	770 - on each statement
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45082 diff changeset	771 - on each expression that start a new line
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45082 diff changeset	772 - before the "except" clause
142a11b3057e Merged revisions 60481,60485,60489-60492,60494-60496,60498-60499,60501-60503,60505-60506,60508-60509,60523-60524,60532,60543,60545,60547-60548,60552,60554,60556-60559,60561-60562,60568-60598,60600-60616 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45082 diff changeset	773 - before the "for" and "while" expressions
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	774 */
37879 f731859e9b3b Merge p3yk branch with the trunk up to revision 45595. This breaks a fair Thomas Wouters <thomas@python.org> parents: 37057 diff changeset	775
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	776 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	777 compiler_set_lineno(struct compiler *c, int off)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	778 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	779 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	780 if (c->u->u_lineno_set)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	781 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	782 c->u->u_lineno_set = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	783 b = c->u->u_curblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	784 b->b_instr[off].i_lineno = c->u->u_lineno;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	785 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	786
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	787 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	788 opcode_stack_effect(int opcode, int oparg)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	789 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	790 switch (opcode) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	791 case POP_TOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	792 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	793 case ROT_TWO:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	794 case ROT_THREE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	795 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	796 case DUP_TOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	797 return 1;
64439 725231211273 Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced Antoine Pitrou <solipsis@pitrou.net> parents: 63114 diff changeset	798 case DUP_TOP_TWO:
725231211273 Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced Antoine Pitrou <solipsis@pitrou.net> parents: 63114 diff changeset	799 return 2;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	800
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	801 case UNARY_POSITIVE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	802 case UNARY_NEGATIVE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	803 case UNARY_NOT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	804 case UNARY_INVERT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	805 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	806
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	807 case SET_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	808 case LIST_APPEND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	809 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	810 case MAP_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	811 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	812
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	813 case BINARY_POWER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	814 case BINARY_MULTIPLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	815 case BINARY_MODULO:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	816 case BINARY_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	817 case BINARY_SUBTRACT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	818 case BINARY_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	819 case BINARY_FLOOR_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	820 case BINARY_TRUE_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	821 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	822 case INPLACE_FLOOR_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	823 case INPLACE_TRUE_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	824 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	825
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	826 case INPLACE_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	827 case INPLACE_SUBTRACT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	828 case INPLACE_MULTIPLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	829 case INPLACE_MODULO:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	830 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	831 case STORE_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	832 return -3;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	833 case STORE_MAP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	834 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	835 case DELETE_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	836 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	837
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	838 case BINARY_LSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	839 case BINARY_RSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	840 case BINARY_AND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	841 case BINARY_XOR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	842 case BINARY_OR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	843 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	844 case INPLACE_POWER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	845 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	846 case GET_ITER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	847 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	848
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	849 case PRINT_EXPR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	850 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	851 case LOAD_BUILD_CLASS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	852 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	853 case INPLACE_LSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	854 case INPLACE_RSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	855 case INPLACE_AND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	856 case INPLACE_XOR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	857 case INPLACE_OR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	858 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	859 case BREAK_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	860 return 0;
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	861 case SETUP_WITH:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	862 return 7;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	863 case WITH_CLEANUP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	864 return -1; /* XXX Sometimes more */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	865 case STORE_LOCALS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	866 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	867 case RETURN_VALUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	868 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	869 case IMPORT_STAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	870 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	871 case YIELD_VALUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	872 return 0;
74356 d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682) Nick Coghlan <ncoghlan@gmail.com> parents: 73738 diff changeset	873 case YIELD_FROM:
75714 72556ff86828 perform yield from delegation by repeating YIELD_FROM opcode (closes #14230) Benjamin Peterson <benjamin@python.org> parents: 74391 diff changeset	874 return -1;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	875 case POP_BLOCK:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	876 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	877 case POP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	878 return 0; /* -3 except if bad bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	879 case END_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	880 return -1; /* or -2 or -3 if exception occurred */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	881
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	882 case STORE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	883 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	884 case DELETE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	885 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	886 case UNPACK_SEQUENCE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	887 return oparg-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	888 case UNPACK_EX:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	889 return (oparg&0xFF) + (oparg>>8);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	890 case FOR_ITER:
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	891 return 1; /* or -1, at end of iterator */
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	892
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	893 case STORE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	894 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	895 case DELETE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	896 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	897 case STORE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	898 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	899 case DELETE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	900 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	901 case LOAD_CONST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	902 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	903 case LOAD_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	904 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	905 case BUILD_TUPLE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	906 case BUILD_LIST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	907 case BUILD_SET:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	908 return 1-oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	909 case BUILD_MAP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	910 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	911 case LOAD_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	912 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	913 case COMPARE_OP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	914 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	915 case IMPORT_NAME:
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	916 return -1;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	917 case IMPORT_FROM:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	918 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	919
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	920 case JUMP_FORWARD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	921 case JUMP_IF_TRUE_OR_POP: /* -1 if jump not taken */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	922 case JUMP_IF_FALSE_OR_POP: /* "" */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	923 case JUMP_ABSOLUTE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	924 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	925
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	926 case POP_JUMP_IF_FALSE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	927 case POP_JUMP_IF_TRUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	928 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	929
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	930 case LOAD_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	931 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	932
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	933 case CONTINUE_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	934 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	935 case SETUP_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	936 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	937 case SETUP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	938 case SETUP_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	939 return 6; /* can push 3 values for the new exception
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	940 + 3 others for the previous exception state */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	941
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	942 case LOAD_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	943 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	944 case STORE_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	945 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	946 case DELETE_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	947 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	948
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	949 case RAISE_VARARGS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	950 return -oparg;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	951 #define NARGS(o) (((o) % 256) + 2*(((o) / 256) % 256))
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	952 case CALL_FUNCTION:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	953 return -NARGS(oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	954 case CALL_FUNCTION_VAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	955 case CALL_FUNCTION_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	956 return -NARGS(oparg)-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	957 case CALL_FUNCTION_VAR_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	958 return -NARGS(oparg)-2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	959 case MAKE_FUNCTION:
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	960 return -1 -NARGS(oparg) - ((oparg >> 16) & 0xffff);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	961 case MAKE_CLOSURE:
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	962 return -2 - NARGS(oparg) - ((oparg >> 16) & 0xffff);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	963 #undef NARGS
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	964 case BUILD_SLICE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	965 if (oparg == 3)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	966 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	967 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	968 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	969
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	970 case LOAD_CLOSURE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	971 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	972 case LOAD_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	973 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	974 case STORE_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	975 return -1;
64620 25cc226dc9bd #4617: Previously it was illegal to delete a name from the local Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 64439 diff changeset	976 case DELETE_DEREF:
25cc226dc9bd #4617: Previously it was illegal to delete a name from the local Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 64439 diff changeset	977 return 0;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	978 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	979 fprintf(stderr, "opcode = %d\n", opcode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	980 Py_FatalError("opcode_stack_effect()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	981
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	982 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	983 return 0; /* not reachable */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	984 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	985
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	986 /* Add an opcode with no argument.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	987 Returns 0 on failure, 1 on success.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	988 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	989
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	990 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	991 compiler_addop(struct compiler *c, int opcode)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	992 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	993 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	994 struct instr *i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	995 int off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	996 off = compiler_next_instr(c, c->u->u_curblock);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	997 if (off < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	998 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	999 b = c->u->u_curblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1000 i = &b->b_instr[off];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1001 i->i_opcode = opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1002 i->i_hasarg = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1003 if (opcode == RETURN_VALUE)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1004 b->b_return = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1005 compiler_set_lineno(c, off);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1006 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1007 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1008
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1009 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1010 compiler_add_o(struct compiler c, PyObject dict, PyObject *o)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1011 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1012 PyObject t, v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1013 Py_ssize_t arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1014 double d;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1015
85418 4d62a62ba44d Issue #18783: Removed existing mentions of Python long type in docstrings, Serhiy Storchaka <storchaka@gmail.com> parents: 83451 diff changeset	1016 /* necessary to make sure types aren't coerced (e.g., float and complex) */
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1017 /* _and_ to distinguish 0.0 from -0.0 e.g. on IEEE platforms */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1018 if (PyFloat_Check(o)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1019 d = PyFloat_AS_DOUBLE(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1020 /* all we need is to make the tuple different in either the 0.0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1021 * or -0.0 case from all others, just to avoid the "coercion".
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1022 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1023 if (d == 0.0 && copysign(1.0, d) < 0.0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1024 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1025 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1026 t = PyTuple_Pack(2, o, o->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1027 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1028 else if (PyComplex_Check(o)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1029 Py_complex z;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1030 int real_negzero, imag_negzero;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1031 /* For the complex case we must make complex(x, 0.)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1032 different from complex(x, -0.) and complex(0., y)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1033 different from complex(-0., y), for any x and y.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1034 All four complex zeros must be distinguished.*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1035 z = PyComplex_AsCComplex(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1036 real_negzero = z.real == 0.0 && copysign(1.0, z.real) < 0.0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1037 imag_negzero = z.imag == 0.0 && copysign(1.0, z.imag) < 0.0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1038 if (real_negzero && imag_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1039 t = PyTuple_Pack(5, o, o->ob_type,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1040 Py_None, Py_None, Py_None);
45082 d7540031b959 Merged revisions 60475-60479,60481-60488 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45029 diff changeset	1041 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1042 else if (imag_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1043 t = PyTuple_Pack(4, o, o->ob_type, Py_None, Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1044 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1045 else if (real_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1046 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1047 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1048 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1049 t = PyTuple_Pack(2, o, o->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1050 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1051 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1052 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1053 t = PyTuple_Pack(2, o, o->ob_type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1054 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1055 if (t == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1056 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1057
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1058 v = PyDict_GetItem(dict, t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1059 if (!v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1060 if (PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1061 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1062 arg = PyDict_Size(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1063 v = PyLong_FromLong(arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1064 if (!v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1065 Py_DECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1066 return -1;
42775 d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 42193 diff changeset	1067 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1068 if (PyDict_SetItem(dict, t, v) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1069 Py_DECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1070 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1071 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1072 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1073 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1074 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1075 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1076 arg = PyLong_AsLong(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1077 Py_DECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1078 return arg;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1079 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1080
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1081 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1082 compiler_addop_o(struct compiler c, int opcode, PyObject dict,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1083 PyObject *o)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1084 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1085 int arg = compiler_add_o(c, dict, o);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1086 if (arg < 0)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1087 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1088 return compiler_addop_i(c, opcode, arg);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1089 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1090
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1091 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1092 compiler_addop_name(struct compiler c, int opcode, PyObject dict,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1093 PyObject *o)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1094 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1095 int arg;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1096 PyObject *mangled = _Py_Mangle(c->u->u_private, o);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1097 if (!mangled)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1098 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1099 arg = compiler_add_o(c, dict, mangled);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1100 Py_DECREF(mangled);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1101 if (arg < 0)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1102 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1103 return compiler_addop_i(c, opcode, arg);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1104 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1105
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1106 /* Add an opcode with an integer argument.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1107 Returns 0 on failure, 1 on success.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1108 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1109
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1110 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1111 compiler_addop_i(struct compiler *c, int opcode, int oparg)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1112 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1113 struct instr *i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1114 int off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1115 off = compiler_next_instr(c, c->u->u_curblock);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1116 if (off < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1117 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1118 i = &c->u->u_curblock->b_instr[off];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1119 i->i_opcode = opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1120 i->i_oparg = oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1121 i->i_hasarg = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1122 compiler_set_lineno(c, off);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1123 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1124 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1125
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1126 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1127 compiler_addop_j(struct compiler c, int opcode, basicblock b, int absolute)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1128 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1129 struct instr *i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1130 int off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1131
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1132 assert(b != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1133 off = compiler_next_instr(c, c->u->u_curblock);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1134 if (off < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1135 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1136 i = &c->u->u_curblock->b_instr[off];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1137 i->i_opcode = opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1138 i->i_target = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1139 i->i_hasarg = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1140 if (absolute)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1141 i->i_jabs = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1142 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1143 i->i_jrel = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1144 compiler_set_lineno(c, off);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1145 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1146 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1147
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1148 /* The distinction between NEW_BLOCK and NEXT_BLOCK is subtle. (I'd
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1149 like to find better names.) NEW_BLOCK() creates a new block and sets
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1150 it as the current block. NEXT_BLOCK() also creates an implicit jump
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1151 from the current block to the new block.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1152 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1153
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	1154 /* The returns inside these macros make it impossible to decref objects
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	1155 created in the local function. Local objects should use the arena.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1156 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1157
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1158
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1159 #define NEW_BLOCK(C) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1160 if (compiler_use_new_block((C)) == NULL) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1161 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1162 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1163
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1164 #define NEXT_BLOCK(C) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1165 if (compiler_next_block((C)) == NULL) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1166 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1167 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1168
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1169 #define ADDOP(C, OP) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1170 if (!compiler_addop((C), (OP))) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1171 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1172 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1173
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1174 #define ADDOP_IN_SCOPE(C, OP) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1175 if (!compiler_addop((C), (OP))) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1176 compiler_exit_scope(c); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1177 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1178 } \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1179 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1180
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1181 #define ADDOP_O(C, OP, O, TYPE) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1182 if (!compiler_addop_o((C), (OP), (C)->u->u_ ## TYPE, (O))) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1183 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1184 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1185
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1186 #define ADDOP_NAME(C, OP, O, TYPE) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1187 if (!compiler_addop_name((C), (OP), (C)->u->u_ ## TYPE, (O))) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1188 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1189 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1190
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1191 #define ADDOP_I(C, OP, O) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1192 if (!compiler_addop_i((C), (OP), (O))) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1193 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1194 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1195
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1196 #define ADDOP_JABS(C, OP, O) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1197 if (!compiler_addop_j((C), (OP), (O), 1)) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1198 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1199 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1200
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1201 #define ADDOP_JREL(C, OP, O) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1202 if (!compiler_addop_j((C), (OP), (O), 0)) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1203 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1204 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1205
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1206 /* VISIT and VISIT_SEQ takes an ASDL type as their second argument. They use
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1207 the ASDL name to synthesize the name of the C type and the visit function.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1208 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1209
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1210 #define VISIT(C, TYPE, V) {\
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1211 if (!compiler_visit_ ## TYPE((C), (V))) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1212 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1213 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1214
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1215 #define VISIT_IN_SCOPE(C, TYPE, V) {\
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1216 if (!compiler_visit_ ## TYPE((C), (V))) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1217 compiler_exit_scope(c); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1218 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1219 } \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1220 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1221
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1222 #define VISIT_SLICE(C, V, CTX) {\
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1223 if (!compiler_visit_slice((C), (V), (CTX))) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1224 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1225 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1226
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1227 #define VISIT_SEQ(C, TYPE, SEQ) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1228 int _i; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1229 asdl_seq seq = (SEQ); / avoid variable capture */ \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1230 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1231 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: 57502 diff changeset	1232 if (!compiler_visit_ ## TYPE((C), elt)) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1233 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1234 } \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1235 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1236
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1237 #define VISIT_SEQ_IN_SCOPE(C, TYPE, SEQ) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1238 int _i; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1239 asdl_seq seq = (SEQ); / avoid variable capture */ \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1240 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1241 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: 57502 diff changeset	1242 if (!compiler_visit_ ## TYPE((C), elt)) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1243 compiler_exit_scope(c); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1244 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1245 } \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1246 } \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1247 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1248
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1249 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1250 compiler_isdocstring(stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1251 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1252 if (s->kind != Expr_kind)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1253 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1254 return s->v.Expr.value->kind == Str_kind;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1255 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1256
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1257 /* Compile a sequence of statements, checking for a docstring. */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1258
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1259 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1260 compiler_body(struct compiler c, asdl_seq stmts)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1261 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1262 int i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1263 stmt_ty st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1264
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1265 if (!asdl_seq_LEN(stmts))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1266 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1267 st = (stmt_ty)asdl_seq_GET(stmts, 0);
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	1268 if (compiler_isdocstring(st) && c->c_optimize < 2) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1269 /* don't generate docstrings if -OO */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1270 i = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1271 VISIT(c, expr, st->v.Expr.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1272 if (!compiler_nameop(c, __doc__, Store))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1273 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1274 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1275 for (; i < asdl_seq_LEN(stmts); i++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1276 VISIT(c, stmt, (stmt_ty)asdl_seq_GET(stmts, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1277 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1278 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1279
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1280 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1281 compiler_mod(struct compiler *c, mod_ty mod)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1282 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1283 PyCodeObject *co;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1284 int addNone = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1285 static PyObject *module;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1286 if (!module) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1287 module = PyUnicode_InternFromString("<module>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1288 if (!module)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1289 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1290 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1291 /* Use 0 for firstlineno initially, will fixup in assemble(). */
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1292 if (!compiler_enter_scope(c, module, COMPILER_SCOPE_MODULE, mod, 0))
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1293 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1294 switch (mod->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1295 case Module_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1296 if (!compiler_body(c, mod->v.Module.body)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1297 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1298 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1299 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1300 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1301 case Interactive_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1302 c->c_interactive = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1303 VISIT_SEQ_IN_SCOPE(c, stmt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1304 mod->v.Interactive.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1305 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1306 case Expression_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1307 VISIT_IN_SCOPE(c, expr, mod->v.Expression.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1308 addNone = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1309 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1310 case Suite_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1311 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1312 "suite should not be possible");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1313 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1314 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1315 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1316 "module kind %d should not be possible",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1317 mod->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1318 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1319 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1320 co = assemble(c, addNone);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1321 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1322 return co;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1323 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1324
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1325 /* The test for LOCAL must come before the test for FREE in order to
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1326 handle classes where name is both local and free. The local var is
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1327 a method and the free var is a free var referenced within a method.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1328 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1329
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1330 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1331 get_ref_type(struct compiler c, PyObject name)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1332 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1333 int scope = PyST_GetScope(c->u->u_ste, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1334 if (scope == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1335 char buf[350];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1336 PyOS_snprintf(buf, sizeof(buf),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1337 "unknown scope for %.100s in %.100s(%s) in %s\n"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1338 "symbols: %s\nlocals: %s\nglobals: %s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1339 PyBytes_AS_STRING(name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1340 PyBytes_AS_STRING(c->u->u_name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1341 PyObject_REPR(c->u->u_ste->ste_id),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1342 c->c_filename,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1343 PyObject_REPR(c->u->u_ste->ste_symbols),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1344 PyObject_REPR(c->u->u_varnames),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1345 PyObject_REPR(c->u->u_names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1346 );
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1347 Py_FatalError(buf);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1348 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1349
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1350 return scope;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1351 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1352
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1353 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1354 compiler_lookup_arg(PyObject dict, PyObject name)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1355 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1356 PyObject k, v;
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	1357 k = PyTuple_Pack(2, name, name->ob_type);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1358 if (k == NULL)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1359 return -1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1360 v = PyDict_GetItem(dict, k);
35939 79374eb6db51 Fix a few more ref leaks. Backport candidate Neal Norwitz <nnorwitz@gmail.com> parents: 35895 diff changeset	1361 Py_DECREF(k);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1362 if (v == NULL)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1363 return -1;
44099 f324631462a2 Cleanup: Replaced most PyInt_ aliases with PyLong_ and disabled the aliases in intobject.h Christian Heimes <christian@cheimes.de> parents: 43777 diff changeset	1364 return PyLong_AS_LONG(v);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1365 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1366
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1367 static int
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1368 compiler_make_closure(struct compiler c, PyCodeObject co, int args, PyObject *qualname)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1369 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1370 int i, free = PyCode_GetNumFree(co);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1371 if (qualname == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1372 qualname = co->co_name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1373
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1374 if (free == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1375 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1376 ADDOP_O(c, LOAD_CONST, qualname, consts);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1377 ADDOP_I(c, MAKE_FUNCTION, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1378 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1379 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1380 for (i = 0; i < free; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1381 /* Bypass com_addop_varname because it will generate
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1382 LOAD_DEREF but LOAD_CLOSURE is needed.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1383 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1384 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1385 int arg, reftype;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1386
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1387 /* Special case: If a class contains a method with a
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1388 free variable that has the same name as a method,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1389 the name will be considered free and local in the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1390 class. It should be handled by the closure, as
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1391 well as by the normal name loookup logic.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1392 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1393 reftype = get_ref_type(c, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1394 if (reftype == CELL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1395 arg = compiler_lookup_arg(c->u->u_cellvars, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1396 else /* (reftype == FREE) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1397 arg = compiler_lookup_arg(c->u->u_freevars, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1398 if (arg == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1399 fprintf(stderr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1400 "lookup %s in %s %d %d\n"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1401 "freevars of %s: %s\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1402 PyObject_REPR(name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1403 PyBytes_AS_STRING(c->u->u_name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1404 reftype, arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1405 _PyUnicode_AsString(co->co_name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1406 PyObject_REPR(co->co_freevars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1407 Py_FatalError("compiler_make_closure()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1408 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1409 ADDOP_I(c, LOAD_CLOSURE, arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1410 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1411 ADDOP_I(c, BUILD_TUPLE, free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1412 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1413 ADDOP_O(c, LOAD_CONST, qualname, consts);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1414 ADDOP_I(c, MAKE_CLOSURE, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1415 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1416 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1417
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1418 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1419 compiler_decorators(struct compiler c, asdl_seq decos)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1420 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1421 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1422
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1423 if (!decos)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1424 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1425
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1426 for (i = 0; i < asdl_seq_LEN(decos); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1427 VISIT(c, expr, (expr_ty)asdl_seq_GET(decos, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1428 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1429 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1430 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1431
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1432 static int
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1433 compiler_visit_kwonlydefaults(struct compiler c, asdl_seq kwonlyargs,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1434 asdl_seq *kw_defaults)
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1435 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1436 int i, default_count = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1437 for (i = 0; i < asdl_seq_LEN(kwonlyargs); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1438 arg_ty arg = asdl_seq_GET(kwonlyargs, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1439 expr_ty default_ = asdl_seq_GET(kw_defaults, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1440 if (default_) {
76382 f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607) Benjamin Peterson <benjamin@python.org> parents: 70444 diff changeset	1441 PyObject *mangled = _Py_Mangle(c->u->u_private, arg->arg);
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607) Benjamin Peterson <benjamin@python.org> parents: 70444 diff changeset	1442 if (!mangled)
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607) Benjamin Peterson <benjamin@python.org> parents: 70444 diff changeset	1443 return -1;
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607) Benjamin Peterson <benjamin@python.org> parents: 70444 diff changeset	1444 ADDOP_O(c, LOAD_CONST, mangled, consts);
f8540b8d076c mangle keyword-only argname when loading defaults (closes #14607) Benjamin Peterson <benjamin@python.org> parents: 70444 diff changeset	1445 Py_DECREF(mangled);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1446 if (!compiler_visit_expr(c, default_)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1447 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1448 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1449 default_count++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1450 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1451 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1452 return default_count;
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1453 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1454
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1455 static int
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1456 compiler_visit_argannotation(struct compiler *c, identifier id,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1457 expr_ty annotation, PyObject *names)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1458 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1459 if (annotation) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1460 VISIT(c, expr, annotation);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1461 if (PyList_Append(names, id))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1462 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1463 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1464 return 0;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1465 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1466
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1467 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1468 compiler_visit_argannotations(struct compiler c, asdl_seq args,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1469 PyObject *names)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1470 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1471 int i, error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1472 for (i = 0; i < asdl_seq_LEN(args); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1473 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: 57502 diff changeset	1474 error = compiler_visit_argannotation(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1475 c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1476 arg->arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1477 arg->annotation,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1478 names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1479 if (error)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1480 return error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1481 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1482 return 0;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1483 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1484
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1485 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1486 compiler_visit_annotations(struct compiler *c, arguments_ty args,
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1487 expr_ty returns)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1488 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1489 /* Push arg annotations and a list of the argument names. Return the #
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1490 of items pushed. The expressions are evaluated out-of-order wrt the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1491 source code.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1492
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1493 More than 2^16-1 annotations is a SyntaxError. Returns -1 on error.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1494 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1495 static identifier return_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1496 PyObject *names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1497 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1498 names = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1499 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1500 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1501
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1502 if (compiler_visit_argannotations(c, args->args, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1503 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1504 if (args->varargannotation &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1505 compiler_visit_argannotation(c, args->vararg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1506 args->varargannotation, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1507 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1508 if (compiler_visit_argannotations(c, args->kwonlyargs, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1509 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1510 if (args->kwargannotation &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1511 compiler_visit_argannotation(c, args->kwarg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1512 args->kwargannotation, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1513 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1514
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1515 if (!return_str) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1516 return_str = PyUnicode_InternFromString("return");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1517 if (!return_str)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1518 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1519 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1520 if (compiler_visit_argannotation(c, return_str, returns, names)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1521 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1522 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1523
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1524 len = PyList_GET_SIZE(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1525 if (len > 65534) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1526 /* len must fit in 16 bits, and len is incremented below */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1527 PyErr_SetString(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1528 "too many annotations");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1529 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1530 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1531 if (len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1532 /* convert names to a tuple and place on stack */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1533 PyObject *elt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1534 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1535 PyObject *s = PyTuple_New(len);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1536 if (!s)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1537 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1538 for (i = 0; i < len; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1539 elt = PyList_GET_ITEM(names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1540 Py_INCREF(elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1541 PyTuple_SET_ITEM(s, i, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1542 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1543 ADDOP_O(c, LOAD_CONST, s, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1544 Py_DECREF(s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1545 len++; /* include the just-pushed tuple */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1546 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1547 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1548 return len;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1549
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1550 error:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1551 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1552 return -1;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1553 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1554
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1555 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1556 compiler_function(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1557 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1558 PyCodeObject *co;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1559 PyObject qualname, first_const = Py_None;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1560 arguments_ty args = s->v.FunctionDef.args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1561 expr_ty returns = s->v.FunctionDef.returns;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1562 asdl_seq* decos = s->v.FunctionDef.decorator_list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1563 stmt_ty st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1564 int i, n, docstring, kw_default_count = 0, arglength;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1565 int num_annotations;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1566
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1567 assert(s->kind == FunctionDef_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1568
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1569 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1570 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1571 if (args->kwonlyargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1572 int res = compiler_visit_kwonlydefaults(c, args->kwonlyargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1573 args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1574 if (res < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1575 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1576 kw_default_count = res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1577 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1578 if (args->defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1579 VISIT_SEQ(c, expr, args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1580 num_annotations = compiler_visit_annotations(c, args, returns);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1581 if (num_annotations < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1582 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1583 assert((num_annotations & 0xFFFF) == num_annotations);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1584
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1585 if (!compiler_enter_scope(c, s->v.FunctionDef.name,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1586 COMPILER_SCOPE_FUNCTION, (void *)s,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1587 s->lineno))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1588 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1589
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1590 st = (stmt_ty)asdl_seq_GET(s->v.FunctionDef.body, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1591 docstring = compiler_isdocstring(st);
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	1592 if (docstring && c->c_optimize < 2)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1593 first_const = st->v.Expr.value->v.Str.s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1594 if (compiler_add_o(c, c->u->u_consts, first_const) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1595 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1596 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1597 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1598
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1599 c->u->u_argcount = asdl_seq_LEN(args->args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1600 c->u->u_kwonlyargcount = asdl_seq_LEN(args->kwonlyargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1601 n = asdl_seq_LEN(s->v.FunctionDef.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1602 /* if there was a docstring, we need to skip the first statement */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1603 for (i = docstring; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1604 st = (stmt_ty)asdl_seq_GET(s->v.FunctionDef.body, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1605 VISIT_IN_SCOPE(c, stmt, st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1606 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1607 co = assemble(c, 1);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1608 qualname = compiler_scope_qualname(c);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1609 compiler_exit_scope(c);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1610 if (qualname == NULL \|\| co == NULL) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1611 Py_XDECREF(qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1612 Py_XDECREF(co);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1613 return 0;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1614 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1615
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1616 arglength = asdl_seq_LEN(args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1617 arglength \|= kw_default_count << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1618 arglength \|= num_annotations << 16;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1619 compiler_make_closure(c, co, arglength, qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1620 Py_DECREF(qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1621 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1622
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1623 /* decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1624 for (i = 0; i < asdl_seq_LEN(decos); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1625 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1626 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1627
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1628 return compiler_nameop(c, s->v.FunctionDef.name, Store);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1629 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1630
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1631 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1632 compiler_class(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1633 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1634 PyCodeObject *co;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1635 PyObject *str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1636 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1637 asdl_seq* decos = s->v.ClassDef.decorator_list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1638
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1639 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1640 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1641
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1642 /* ultimately generate code for:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1643 <name> = __build_class__(<func>, <name>, <bases>, *<keywords>)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1644 where:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1645 <func> is a function/closure created from the class body;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1646 it has a single argument (__locals__) where the dict
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1647 (or MutableSequence) representing the locals is passed
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1648 <name> is the class name
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1649 <bases> is the positional arguments and *varargs argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1650 <keywords> is the keyword arguments and **kwds argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1651 This borrows from compiler_call.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1652 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1653
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1654 /* 1. compile the class body into a code object */
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1655 if (!compiler_enter_scope(c, s->v.ClassDef.name,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1656 COMPILER_SCOPE_CLASS, (void *)s, s->lineno))
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1657 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1658 /* this block represents what we do in the new scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1659 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1660 /* use the class name for name mangling */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1661 Py_INCREF(s->v.ClassDef.name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1662 Py_XDECREF(c->u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1663 c->u->u_private = s->v.ClassDef.name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1664 /* force it to have one mandatory argument */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1665 c->u->u_argcount = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1666 /* load the first argument (__locals__) ... */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1667 ADDOP_I(c, LOAD_FAST, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1668 /* ... and store it into f_locals */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1669 ADDOP_IN_SCOPE(c, STORE_LOCALS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1670 /* load (global) __name__ ... */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1671 str = PyUnicode_InternFromString("__name__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1672 if (!str \|\| !compiler_nameop(c, str, Load)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1673 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1674 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1675 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1676 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1677 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1678 /* ... and store it as __module__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1679 str = PyUnicode_InternFromString("__module__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1680 if (!str \|\| !compiler_nameop(c, str, Store)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1681 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1682 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1683 return 0;
41824 24b60622b944 Merged revisions 55407-55513 via svnmerge from Guido van Rossum <guido@python.org> parents: 41717 diff changeset	1684 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1685 Py_DECREF(str);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1686 /* store the __qualname__ */
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1687 str = compiler_scope_qualname(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1688 if (!str) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1689 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1690 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1691 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1692 ADDOP_O(c, LOAD_CONST, str, consts);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1693 Py_DECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1694 str = PyUnicode_InternFromString("__qualname__");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1695 if (!str \|\| !compiler_nameop(c, str, Store)) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1696 Py_XDECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1697 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1698 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1699 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1700 Py_DECREF(str);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1701 /* compile the body proper */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1702 if (!compiler_body(c, s->v.ClassDef.body)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1703 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1704 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1705 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1706 /* return the (empty) __class__ cell */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1707 str = PyUnicode_InternFromString("__class__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1708 if (str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1709 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1710 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1711 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1712 i = compiler_lookup_arg(c->u->u_cellvars, str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1713 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1714 if (i == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1715 /* This happens when nobody references the cell */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1716 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1717 /* Return None */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1718 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1719 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1720 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1721 /* Return the cell where to store __class__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1722 ADDOP_I(c, LOAD_CLOSURE, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1723 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1724 ADDOP_IN_SCOPE(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1725 /* create the code object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1726 co = assemble(c, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1727 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1728 /* leave the new scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1729 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1730 if (co == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1731 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1732
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1733 /* 2. load the 'build_class' function */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1734 ADDOP(c, LOAD_BUILD_CLASS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1735
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1736 /* 3. load a function (or closure) made from the code object */
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1737 compiler_make_closure(c, co, 0, NULL);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1738 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1739
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1740 /* 4. load class name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1741 ADDOP_O(c, LOAD_CONST, s->v.ClassDef.name, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1742
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1743 /* 5. generate the rest of the code for the call */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1744 if (!compiler_call_helper(c, 2,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1745 s->v.ClassDef.bases,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1746 s->v.ClassDef.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1747 s->v.ClassDef.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1748 s->v.ClassDef.kwargs))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1749 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1750
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1751 /* 6. apply decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1752 for (i = 0; i < asdl_seq_LEN(decos); i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1753 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1754 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1755
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1756 /* 7. store into <name> */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1757 if (!compiler_nameop(c, s->v.ClassDef.name, Store))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1758 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1759 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1760 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1761
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1762 static int
36666 6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1763 compiler_ifexp(struct compiler *c, expr_ty e)
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1764 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1765 basicblock end, next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1766
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1767 assert(e->kind == IfExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1768 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1769 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1770 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1771 next = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1772 if (next == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1773 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1774 VISIT(c, expr, e->v.IfExp.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1775 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1776 VISIT(c, expr, e->v.IfExp.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1777 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1778 compiler_use_next_block(c, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1779 VISIT(c, expr, e->v.IfExp.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1780 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1781 return 1;
36666 6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1782 }
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1783
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1784 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1785 compiler_lambda(struct compiler *c, expr_ty e)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1786 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1787 PyCodeObject *co;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1788 PyObject *qualname;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1789 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1790 int kw_default_count = 0, arglength;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1791 arguments_ty args = e->v.Lambda.args;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1792 assert(e->kind == Lambda_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1793
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1794 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1795 name = PyUnicode_InternFromString("<lambda>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1796 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1797 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1798 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1799
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1800 if (args->kwonlyargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1801 int res = compiler_visit_kwonlydefaults(c, args->kwonlyargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1802 args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1803 if (res < 0) return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1804 kw_default_count = res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1805 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1806 if (args->defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1807 VISIT_SEQ(c, expr, args->defaults);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1808 if (!compiler_enter_scope(c, name, COMPILER_SCOPE_FUNCTION,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1809 (void *)e, e->lineno))
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1810 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1811
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	1812 /* Make None the first constant, so the lambda can't have a
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	1813 docstring. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	1814 if (compiler_add_o(c, c->u->u_consts, Py_None) < 0)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	1815 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	1816
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1817 c->u->u_argcount = asdl_seq_LEN(args->args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1818 c->u->u_kwonlyargcount = asdl_seq_LEN(args->kwonlyargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1819 VISIT_IN_SCOPE(c, expr, e->v.Lambda.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1820 if (c->u->u_ste->ste_generator) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1821 ADDOP_IN_SCOPE(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1822 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1823 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1824 ADDOP_IN_SCOPE(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1825 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1826 co = assemble(c, 1);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1827 qualname = compiler_scope_qualname(c);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1828 compiler_exit_scope(c);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1829 if (qualname == NULL \|\| co == NULL)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1830 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1831
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1832 arglength = asdl_seq_LEN(args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1833 arglength \|= kw_default_count << 8;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1834 compiler_make_closure(c, co, arglength, qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1835 Py_DECREF(qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1836 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1837
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1838 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1839 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1840
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1841 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1842 compiler_if(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1843 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1844 basicblock end, next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1845 int constant;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1846 assert(s->kind == If_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1847 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1848 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1849 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1850
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	1851 constant = expr_constant(c, s->v.If.test);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1852 /* constant = 0: "if 0"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1853 * constant = 1: "if 1", "if 2", ...
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1854 * constant = -1: rest */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1855 if (constant == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1856 if (s->v.If.orelse)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1857 VISIT_SEQ(c, stmt, s->v.If.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1858 } else if (constant == 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1859 VISIT_SEQ(c, stmt, s->v.If.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1860 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1861 if (s->v.If.orelse) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1862 next = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1863 if (next == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1864 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1865 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1866 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1867 next = end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1868 VISIT(c, expr, s->v.If.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1869 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1870 VISIT_SEQ(c, stmt, s->v.If.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1871 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1872 if (s->v.If.orelse) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1873 compiler_use_next_block(c, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1874 VISIT_SEQ(c, stmt, s->v.If.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1875 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1876 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1877 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1878 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1879 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1880
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1881 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1882 compiler_for(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1883 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1884 basicblock start, cleanup, *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1885
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1886 start = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1887 cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1888 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1889 if (start == NULL \|\| end == NULL \|\| cleanup == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1890 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1891 ADDOP_JREL(c, SETUP_LOOP, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1892 if (!compiler_push_fblock(c, LOOP, start))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1893 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1894 VISIT(c, expr, s->v.For.iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1895 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1896 compiler_use_next_block(c, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1897 ADDOP_JREL(c, FOR_ITER, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1898 VISIT(c, expr, s->v.For.target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1899 VISIT_SEQ(c, stmt, s->v.For.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1900 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1901 compiler_use_next_block(c, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1902 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1903 compiler_pop_fblock(c, LOOP, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1904 VISIT_SEQ(c, stmt, s->v.For.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1905 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1906 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1907 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1908
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1909 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1910 compiler_while(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1911 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1912 basicblock loop, orelse, end, anchor = NULL;
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	1913 int constant = expr_constant(c, s->v.While.test);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1914
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1915 if (constant == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1916 if (s->v.While.orelse)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1917 VISIT_SEQ(c, stmt, s->v.While.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1918 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1919 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1920 loop = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1921 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1922 if (constant == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1923 anchor = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1924 if (anchor == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1925 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1926 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1927 if (loop == NULL \|\| end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1928 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1929 if (s->v.While.orelse) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1930 orelse = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1931 if (orelse == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1932 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1933 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1934 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1935 orelse = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1936
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1937 ADDOP_JREL(c, SETUP_LOOP, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1938 compiler_use_next_block(c, loop);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1939 if (!compiler_push_fblock(c, LOOP, loop))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1940 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1941 if (constant == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1942 VISIT(c, expr, s->v.While.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1943 ADDOP_JABS(c, POP_JUMP_IF_FALSE, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1944 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1945 VISIT_SEQ(c, stmt, s->v.While.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1946 ADDOP_JABS(c, JUMP_ABSOLUTE, loop);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1947
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1948 /* XXX should the two POP instructions be in a separate block
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1949 if there is no else clause ?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1950 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1951
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1952 if (constant == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1953 compiler_use_next_block(c, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1954 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1955 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1956 compiler_pop_fblock(c, LOOP, loop);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1957 if (orelse != NULL) /* what if orelse is just pass? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1958 VISIT_SEQ(c, stmt, s->v.While.orelse);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1959 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1960
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1961 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1962 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1963
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1964 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1965 compiler_continue(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1966 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1967 static const char LOOP_ERROR_MSG[] = "'continue' not properly in loop";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1968 static const char IN_FINALLY_ERROR_MSG[] =
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1969 "'continue' not supported inside 'finally' clause";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1970 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1971
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1972 if (!c->u->u_nfblocks)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1973 return compiler_error(c, LOOP_ERROR_MSG);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1974 i = c->u->u_nfblocks - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1975 switch (c->u->u_fblock[i].fb_type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1976 case LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1977 ADDOP_JABS(c, JUMP_ABSOLUTE, c->u->u_fblock[i].fb_block);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1978 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1979 case EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1980 case FINALLY_TRY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1981 while (--i >= 0 && c->u->u_fblock[i].fb_type != LOOP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1982 /* Prevent continue anywhere under a finally
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1983 even if hidden in a sub-try or except. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1984 if (c->u->u_fblock[i].fb_type == FINALLY_END)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1985 return compiler_error(c, IN_FINALLY_ERROR_MSG);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1986 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1987 if (i == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1988 return compiler_error(c, LOOP_ERROR_MSG);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1989 ADDOP_JABS(c, CONTINUE_LOOP, c->u->u_fblock[i].fb_block);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1990 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1991 case FINALLY_END:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1992 return compiler_error(c, IN_FINALLY_ERROR_MSG);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1993 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1994
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1995 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1996 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1997
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1998 /* Code generated for "try: <body> finally: <finalbody>" is as follows:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1999
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2000 SETUP_FINALLY L
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2001 <code for body>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2002 POP_BLOCK
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2003 LOAD_CONST <None>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2004 L: <code for finalbody>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2005 END_FINALLY
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2006
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2007 The special instructions use the block stack. Each block
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2008 stack entry contains the instruction that created it (here
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2009 SETUP_FINALLY), the level of the value stack at the time the
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2010 block stack entry was created, and a label (here L).
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2011
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2012 SETUP_FINALLY:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2013 Pushes the current value stack level and the label
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2014 onto the block stack.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2015 POP_BLOCK:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2016 Pops en entry from the block stack, and pops the value
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2017 stack until its level is the same as indicated on the
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2018 block stack. (The label is ignored.)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2019 END_FINALLY:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2020 Pops a variable number of entries from the value stack
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2021 and re-raises the exception they specify. The number of
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2022 entries popped depends on the (pseudo) exception type.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2023
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2024 The block stack is unwound when an exception is raised:
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2025 when a SETUP_FINALLY entry is found, the exception is pushed
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2026 onto the value stack (and the exception condition is cleared),
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2027 and the interpreter jumps to the label gotten from the block
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2028 stack.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2029 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2030
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2031 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2032 compiler_try_finally(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2033 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2034 basicblock body, end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2035 body = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2036 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2037 if (body == NULL \|\| end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2038 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2039
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2040 ADDOP_JREL(c, SETUP_FINALLY, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2041 compiler_use_next_block(c, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2042 if (!compiler_push_fblock(c, FINALLY_TRY, body))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2043 return 0;
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2044 if (s->v.Try.handlers && asdl_seq_LEN(s->v.Try.handlers)) {
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2045 if (!compiler_try_except(c, s))
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2046 return 0;
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2047 }
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2048 else {
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2049 VISIT_SEQ(c, stmt, s->v.Try.body);
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2050 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2051 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2052 compiler_pop_fblock(c, FINALLY_TRY, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2053
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2054 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2055 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2056 if (!compiler_push_fblock(c, FINALLY_END, end))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2057 return 0;
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2058 VISIT_SEQ(c, stmt, s->v.Try.finalbody);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2059 ADDOP(c, END_FINALLY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2060 compiler_pop_fblock(c, FINALLY_END, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2061
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2062 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2063 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2064
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2065 /*
51853 643d8d4fc8eb http://bugs.python.org/issue4715 Jeffrey Yasskin <jyasskin@gmail.com> parents: 51382 diff changeset	2066 Code generated for "try: S except E1 as V1: S1 except E2 as V2: S2 ...":
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2067 (The contents of the value stack is shown in [], with the top
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2068 at the right; 'tb' is trace-back info, 'val' the exception's
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2069 associated value, and 'exc' the exception.)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2070
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2071 Value stack Label Instruction Argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2072 [] SETUP_EXCEPT L1
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2073 [] <code for S>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2074 [] POP_BLOCK
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2075 [] JUMP_FORWARD L0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2076
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2077 [tb, val, exc] L1: DUP )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2078 [tb, val, exc, exc] <evaluate E1> )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2079 [tb, val, exc, exc, E1] COMPARE_OP EXC_MATCH ) only if E1
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2080 [tb, val, exc, 1-or-0] POP_JUMP_IF_FALSE L2 )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2081 [tb, val, exc] POP
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2082 [tb, val] <assign to V1> (or POP if no V1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2083 [tb] POP
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2084 [] <code for S1>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2085 JUMP_FORWARD L0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2086
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2087 [tb, val, exc] L2: DUP
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2088 .............................etc.......................
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2089
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2090 [tb, val, exc] Ln+1: END_FINALLY # re-raise exception
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2091
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2092 [] L0: <next statement>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2093
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2094 Of course, parts are not generated if Vi or Ei is not present.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2095 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2096 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2097 compiler_try_except(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2098 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2099 basicblock body, orelse, except, end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2100 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2101
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2102 body = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2103 except = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2104 orelse = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2105 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2106 if (body == NULL \|\| except == NULL \|\| orelse == NULL \|\| end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2107 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2108 ADDOP_JREL(c, SETUP_EXCEPT, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2109 compiler_use_next_block(c, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2110 if (!compiler_push_fblock(c, EXCEPT, body))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2111 return 0;
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2112 VISIT_SEQ(c, stmt, s->v.Try.body);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2113 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2114 compiler_pop_fblock(c, EXCEPT, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2115 ADDOP_JREL(c, JUMP_FORWARD, orelse);
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2116 n = asdl_seq_LEN(s->v.Try.handlers);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2117 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2118 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2119 excepthandler_ty handler = (excepthandler_ty)asdl_seq_GET(
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2120 s->v.Try.handlers, i);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2121 if (!handler->v.ExceptHandler.type && i < n-1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2122 return compiler_error(c, "default 'except:' must be last");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2123 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2124 c->u->u_lineno = handler->lineno;
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	2125 c->u->u_col_offset = handler->col_offset;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2126 except = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2127 if (except == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2128 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2129 if (handler->v.ExceptHandler.type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2130 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2131 VISIT(c, expr, handler->v.ExceptHandler.type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2132 ADDOP_I(c, COMPARE_OP, PyCmp_EXC_MATCH);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2133 ADDOP_JABS(c, POP_JUMP_IF_FALSE, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2134 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2135 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2136 if (handler->v.ExceptHandler.name) {
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2137 basicblock cleanup_end, cleanup_body;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2138
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2139 cleanup_end = compiler_new_block(c);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2140 cleanup_body = compiler_new_block(c);
70443 95117a2da450 fix spacing Benjamin Peterson <benjamin@python.org> parents: 70440 diff changeset	2141 if (!(cleanup_end \|\| cleanup_body))
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2142 return 0;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2143
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2144 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2145 ADDOP(c, POP_TOP);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2146
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2147 /*
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2148 try:
83451 74eb5f978471 Fix indentation. Ezio Melotti <ezio.melotti@gmail.com> parents: 83160 diff changeset	2149 # body
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2150 except type as name:
83451 74eb5f978471 Fix indentation. Ezio Melotti <ezio.melotti@gmail.com> parents: 83160 diff changeset	2151 try:
74eb5f978471 Fix indentation. Ezio Melotti <ezio.melotti@gmail.com> parents: 83160 diff changeset	2152 # body
74eb5f978471 Fix indentation. Ezio Melotti <ezio.melotti@gmail.com> parents: 83160 diff changeset	2153 finally:
74eb5f978471 Fix indentation. Ezio Melotti <ezio.melotti@gmail.com> parents: 83160 diff changeset	2154 name = None
74eb5f978471 Fix indentation. Ezio Melotti <ezio.melotti@gmail.com> parents: 83160 diff changeset	2155 del name
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2156 */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2157
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2158 /* second try: */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2159 ADDOP_JREL(c, SETUP_FINALLY, cleanup_end);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2160 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2161 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2162 return 0;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2163
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2164 /* second # body */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2165 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2166 ADDOP(c, POP_BLOCK);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2167 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2168 compiler_pop_fblock(c, FINALLY_TRY, cleanup_body);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2169
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2170 /* finally: */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2171 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2172 compiler_use_next_block(c, cleanup_end);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2173 if (!compiler_push_fblock(c, FINALLY_END, cleanup_end))
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2174 return 0;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2175
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2176 /* name = None */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2177 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2178 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2179
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2180 /* del name */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2181 compiler_nameop(c, handler->v.ExceptHandler.name, Del);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2182
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2183 ADDOP(c, END_FINALLY);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2184 compiler_pop_fblock(c, FINALLY_END, cleanup_end);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2185 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2186 else {
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2187 basicblock *cleanup_body;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2188
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2189 cleanup_body = compiler_new_block(c);
70443 95117a2da450 fix spacing Benjamin Peterson <benjamin@python.org> parents: 70440 diff changeset	2190 if (!cleanup_body)
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2191 return 0;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2192
40587 6b18a095c2e7 SF patch 1631942 by Collin Winter: Guido van Rossum <guido@python.org> parents: 40529 diff changeset	2193 ADDOP(c, POP_TOP);
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2194 ADDOP(c, POP_TOP);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2195 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2196 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2197 return 0;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2198 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2199 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2200 compiler_pop_fblock(c, FINALLY_TRY, cleanup_body);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2201 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2202 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2203 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2204 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2205 ADDOP(c, END_FINALLY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2206 compiler_use_next_block(c, orelse);
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2207 VISIT_SEQ(c, stmt, s->v.Try.orelse);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2208 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2209 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2210 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2211
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2212 static int
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2213 compiler_try(struct compiler *c, stmt_ty s) {
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2214 if (s->v.Try.finalbody && asdl_seq_LEN(s->v.Try.finalbody))
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2215 return compiler_try_finally(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2216 else
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2217 return compiler_try_except(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2218 }
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2219
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2220
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2221 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2222 compiler_import_as(struct compiler *c, identifier name, identifier asname)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2223 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2224 /* The IMPORT_NAME opcode was already generated. This function
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2225 merely needs to bind the result to a name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2226
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2227 If there is a dot in name, we need to split it and emit a
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2228 LOAD_ATTR for each name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2229 */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2230 Py_ssize_t dot = PyUnicode_FindChar(name, '.', 0,
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2231 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2232 if (dot == -2)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2233 return -1;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2234 if (dot != -1) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2235 /* Consume the base module name to get the first attribute */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2236 Py_ssize_t pos = dot + 1;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2237 while (dot != -1) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2238 PyObject *attr;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2239 dot = PyUnicode_FindChar(name, '.', pos,
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2240 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2241 if (dot == -2)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2242 return -1;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2243 attr = PyUnicode_Substring(name, pos,
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2244 (dot != -1) ? dot :
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2245 PyUnicode_GET_LENGTH(name));
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2246 if (!attr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2247 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2248 ADDOP_O(c, LOAD_ATTR, attr, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2249 Py_DECREF(attr);
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2250 pos = dot + 1;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2251 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2252 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2253 return compiler_nameop(c, asname, Store);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2254 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2255
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2256 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2257 compiler_import(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2258 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2259 /* The Import node stores a module name like a.b.c as a single
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2260 string. This is convenient for all cases except
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2261 import a.b.c as d
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2262 where we need to parse that string to extract the individual
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2263 module names.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2264 XXX Perhaps change the representation to make this case simpler?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2265 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2266 int i, n = asdl_seq_LEN(s->v.Import.names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2267
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2268 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2269 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.Import.names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2270 int r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2271 PyObject *level;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2272
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2273 level = PyLong_FromLong(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2274 if (level == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2275 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2276
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2277 ADDOP_O(c, LOAD_CONST, level, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2278 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2279 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2280 ADDOP_NAME(c, IMPORT_NAME, alias->name, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2281
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2282 if (alias->asname) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2283 r = compiler_import_as(c, alias->name, alias->asname);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2284 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2285 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2286 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2287 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2288 identifier tmp = alias->name;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2289 Py_ssize_t dot = PyUnicode_FindChar(
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2290 alias->name, '.', 0, PyUnicode_GET_LENGTH(alias->name), 1);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2291 if (dot != -1)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2292 tmp = PyUnicode_Substring(alias->name, 0, dot);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2293 r = compiler_nameop(c, tmp, Store);
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2294 if (dot != -1) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2295 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2296 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2297 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2298 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2299 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2300 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2301 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2302 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2303
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2304 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2305 compiler_from_import(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2306 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2307 int i, n = asdl_seq_LEN(s->v.ImportFrom.names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2308
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2309 PyObject *names = PyTuple_New(n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2310 PyObject *level;
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2311 static PyObject *empty_string;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2312
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2313 if (!empty_string) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2314 empty_string = PyUnicode_FromString("");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2315 if (!empty_string)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2316 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2317 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2318
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2319 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2320 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2321
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2322 level = PyLong_FromLong(s->v.ImportFrom.level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2323 if (!level) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2324 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2325 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2326 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2327
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2328 /* build up the names */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2329 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2330 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.ImportFrom.names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2331 Py_INCREF(alias->name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2332 PyTuple_SET_ITEM(names, i, alias->name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2333 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2334
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2335 if (s->lineno > c->c_future->ff_lineno && s->v.ImportFrom.module &&
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2336 !PyUnicode_CompareWithASCIIString(s->v.ImportFrom.module, "__future__")) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2337 Py_DECREF(level);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2338 Py_DECREF(names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2339 return compiler_error(c, "from __future__ imports must occur "
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2340 "at the beginning of the file");
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2341 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2342
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2343 ADDOP_O(c, LOAD_CONST, level, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2344 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2345 ADDOP_O(c, LOAD_CONST, names, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2346 Py_DECREF(names);
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2347 if (s->v.ImportFrom.module) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2348 ADDOP_NAME(c, IMPORT_NAME, s->v.ImportFrom.module, names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2349 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2350 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2351 ADDOP_NAME(c, IMPORT_NAME, empty_string, names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2352 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2353 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2354 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.ImportFrom.names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2355 identifier store_name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2356
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2357 if (i == 0 && PyUnicode_READ_CHAR(alias->name, 0) == '*') {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2358 assert(n == 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2359 ADDOP(c, IMPORT_STAR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2360 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2361 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2362
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2363 ADDOP_NAME(c, IMPORT_FROM, alias->name, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2364 store_name = alias->name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2365 if (alias->asname)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2366 store_name = alias->asname;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2367
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2368 if (!compiler_nameop(c, store_name, Store)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2369 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2370 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2371 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2372 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2373 /* remove imported module */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2374 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2375 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2376 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2377
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2378 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2379 compiler_assert(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2380 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2381 static PyObject *assertion_error = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2382 basicblock *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2383
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	2384 if (c->c_optimize)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2385 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2386 if (assertion_error == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2387 assertion_error = PyUnicode_InternFromString("AssertionError");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2388 if (assertion_error == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2389 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2390 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2391 if (s->v.Assert.test->kind == Tuple_kind &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2392 asdl_seq_LEN(s->v.Assert.test->v.Tuple.elts) > 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2393 const char* msg =
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2394 "assertion is always true, perhaps remove parentheses?";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2395 if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, c->c_filename,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2396 c->u->u_lineno, NULL, NULL) == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2397 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2398 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2399 VISIT(c, expr, s->v.Assert.test);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2400 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2401 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2402 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2403 ADDOP_JABS(c, POP_JUMP_IF_TRUE, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2404 ADDOP_O(c, LOAD_GLOBAL, assertion_error, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2405 if (s->v.Assert.msg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2406 VISIT(c, expr, s->v.Assert.msg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2407 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2408 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2409 ADDOP_I(c, RAISE_VARARGS, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2410 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2411 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2412 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2413
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2414 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2415 compiler_visit_stmt(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2416 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2417 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2418
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2419 /* Always assign a lineno to the next instruction for a stmt. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2420 c->u->u_lineno = s->lineno;
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	2421 c->u->u_col_offset = s->col_offset;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2422 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2423
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2424 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2425 case FunctionDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2426 return compiler_function(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2427 case ClassDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2428 return compiler_class(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2429 case Return_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2430 if (c->u->u_ste->ste_type != FunctionBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2431 return compiler_error(c, "'return' outside function");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2432 if (s->v.Return.value) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2433 VISIT(c, expr, s->v.Return.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2434 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2435 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2436 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2437 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2438 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2439 case Delete_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2440 VISIT_SEQ(c, expr, s->v.Delete.targets)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2441 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2442 case Assign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2443 n = asdl_seq_LEN(s->v.Assign.targets);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2444 VISIT(c, expr, s->v.Assign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2445 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2446 if (i < n - 1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2447 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2448 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2449 (expr_ty)asdl_seq_GET(s->v.Assign.targets, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2450 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2451 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2452 case AugAssign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2453 return compiler_augassign(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2454 case For_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2455 return compiler_for(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2456 case While_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2457 return compiler_while(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2458 case If_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2459 return compiler_if(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2460 case Raise_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2461 n = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2462 if (s->v.Raise.exc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2463 VISIT(c, expr, s->v.Raise.exc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2464 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2465 if (s->v.Raise.cause) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2466 VISIT(c, expr, s->v.Raise.cause);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2467 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2468 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2469 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2470 ADDOP_I(c, RAISE_VARARGS, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2471 break;
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2472 case Try_kind:
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2473 return compiler_try(c, s);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2474 case Assert_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2475 return compiler_assert(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2476 case Import_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2477 return compiler_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2478 case ImportFrom_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2479 return compiler_from_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2480 case Global_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2481 case Nonlocal_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2482 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2483 case Expr_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2484 if (c->c_interactive && c->c_nestlevel <= 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2485 VISIT(c, expr, s->v.Expr.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2486 ADDOP(c, PRINT_EXPR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2487 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2488 else if (s->v.Expr.value->kind != Str_kind &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2489 s->v.Expr.value->kind != Num_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2490 VISIT(c, expr, s->v.Expr.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2491 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2492 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2493 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2494 case Pass_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2495 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2496 case Break_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2497 if (!compiler_in_loop(c))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2498 return compiler_error(c, "'break' outside loop");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2499 ADDOP(c, BREAK_LOOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2500 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2501 case Continue_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2502 return compiler_continue(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2503 case With_kind:
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	2504 return compiler_with(c, s, 0);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2505 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2506 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2507 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2508
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2509 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2510 unaryop(unaryop_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2511 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2512 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2513 case Invert:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2514 return UNARY_INVERT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2515 case Not:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2516 return UNARY_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2517 case UAdd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2518 return UNARY_POSITIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2519 case USub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2520 return UNARY_NEGATIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2521 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2522 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2523 "unary op %d should not be possible", op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2524 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2525 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2526 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2527
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2528 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2529 binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2530 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2531 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2532 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2533 return BINARY_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2534 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2535 return BINARY_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2536 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2537 return BINARY_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2538 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2539 return BINARY_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2540 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2541 return BINARY_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2542 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2543 return BINARY_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2544 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2545 return BINARY_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2546 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2547 return BINARY_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2548 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2549 return BINARY_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2550 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2551 return BINARY_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2552 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2553 return BINARY_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2554 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2555 return BINARY_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2556 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2557 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2558 "binary op %d should not be possible", op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2559 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2560 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2561 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2562
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2563 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2564 cmpop(cmpop_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2565 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2566 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2567 case Eq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2568 return PyCmp_EQ;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2569 case NotEq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2570 return PyCmp_NE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2571 case Lt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2572 return PyCmp_LT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2573 case LtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2574 return PyCmp_LE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2575 case Gt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2576 return PyCmp_GT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2577 case GtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2578 return PyCmp_GE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2579 case Is:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2580 return PyCmp_IS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2581 case IsNot:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2582 return PyCmp_IS_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2583 case In:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2584 return PyCmp_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2585 case NotIn:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2586 return PyCmp_NOT_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2587 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2588 return PyCmp_BAD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2589 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2590 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2591
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2592 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2593 inplace_binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2594 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2595 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2596 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2597 return INPLACE_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2598 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2599 return INPLACE_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2600 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2601 return INPLACE_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2602 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2603 return INPLACE_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2604 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2605 return INPLACE_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2606 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2607 return INPLACE_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2608 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2609 return INPLACE_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2610 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2611 return INPLACE_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2612 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2613 return INPLACE_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2614 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2615 return INPLACE_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2616 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2617 return INPLACE_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2618 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2619 return INPLACE_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2620 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2621 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2622 "inplace binary op %d should not be possible", op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2623 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2624 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2625 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2626
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2627 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2628 compiler_nameop(struct compiler *c, identifier name, expr_context_ty ctx)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2629 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2630 int op, scope, arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2631 enum { OP_FAST, OP_GLOBAL, OP_DEREF, OP_NAME } optype;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2632
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2633 PyObject *dict = c->u->u_names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2634 PyObject *mangled;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2635 /* XXX AugStore isn't used anywhere! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2636
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2637 mangled = _Py_Mangle(c->u->u_private, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2638 if (!mangled)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2639 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2640
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2641 op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2642 optype = OP_NAME;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2643 scope = PyST_GetScope(c->u->u_ste, mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2644 switch (scope) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2645 case FREE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2646 dict = c->u->u_freevars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2647 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2648 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2649 case CELL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2650 dict = c->u->u_cellvars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2651 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2652 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2653 case LOCAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2654 if (c->u->u_ste->ste_type == FunctionBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2655 optype = OP_FAST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2656 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2657 case GLOBAL_IMPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2658 if (c->u->u_ste->ste_type == FunctionBlock &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2659 !c->u->u_ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2660 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2661 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2662 case GLOBAL_EXPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2663 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2664 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2665 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2666 /* scope can be 0 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2667 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2668 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2669
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2670 /* XXX Leave assert here, but handle __doc__ and the like better */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2671 assert(scope \|\| PyUnicode_READ_CHAR(name, 0) == '_');
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2672
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2673 switch (optype) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2674 case OP_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2675 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2676 case Load: op = LOAD_DEREF; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2677 case Store: op = STORE_DEREF; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2678 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2679 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2680 break;
64620 25cc226dc9bd #4617: Previously it was illegal to delete a name from the local Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 64439 diff changeset	2681 case Del: op = DELETE_DEREF; break;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2682 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2683 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2684 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2685 "param invalid for deref variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2686 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2687 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2688 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2689 case OP_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2690 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2691 case Load: op = LOAD_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2692 case Store: op = STORE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2693 case Del: op = DELETE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2694 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2695 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2696 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2697 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2698 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2699 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2700 "param invalid for local variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2701 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2702 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2703 ADDOP_O(c, op, mangled, varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2704 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2705 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2706 case OP_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2707 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2708 case Load: op = LOAD_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2709 case Store: op = STORE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2710 case Del: op = DELETE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2711 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2712 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2713 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2714 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2715 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2716 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2717 "param invalid for global variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2718 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2719 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2720 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2721 case OP_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2722 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2723 case Load: op = LOAD_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2724 case Store: op = STORE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2725 case Del: op = DELETE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2726 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2727 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2728 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2729 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2730 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2731 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2732 "param invalid for name variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2733 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2734 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2735 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2736 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2737
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2738 assert(op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2739 arg = compiler_add_o(c, dict, mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2740 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2741 if (arg < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2742 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2743 return compiler_addop_i(c, op, arg);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2744 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2745
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2746 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2747 compiler_boolop(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2748 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2749 basicblock *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2750 int jumpi, i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2751 asdl_seq *s;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2752
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2753 assert(e->kind == BoolOp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2754 if (e->v.BoolOp.op == And)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2755 jumpi = JUMP_IF_FALSE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2756 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2757 jumpi = JUMP_IF_TRUE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2758 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2759 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2760 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2761 s = e->v.BoolOp.values;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2762 n = asdl_seq_LEN(s) - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2763 assert(n >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2764 for (i = 0; i < n; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2765 VISIT(c, expr, (expr_ty)asdl_seq_GET(s, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2766 ADDOP_JABS(c, jumpi, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2767 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2768 VISIT(c, expr, (expr_ty)asdl_seq_GET(s, n));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2769 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2770 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2771 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2772
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2773 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2774 compiler_list(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2775 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2776 int n = asdl_seq_LEN(e->v.List.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2777 if (e->v.List.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2778 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2779 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2780 expr_ty elt = asdl_seq_GET(e->v.List.elts, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2781 if (elt->kind == Starred_kind && !seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2782 if ((i >= (1 << 8)) \|\|
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2783 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2784 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2785 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2786 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2787 ADDOP_I(c, UNPACK_EX, (i + ((n-i-1) << 8)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2788 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2789 asdl_seq_SET(e->v.List.elts, i, elt->v.Starred.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2790 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2791 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2792 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2793 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2794 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2795 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2796 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2797 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2798 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2799 VISIT_SEQ(c, expr, e->v.List.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2800 if (e->v.List.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2801 ADDOP_I(c, BUILD_LIST, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2802 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2803 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2804 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2805
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2806 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2807 compiler_tuple(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2808 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2809 int n = asdl_seq_LEN(e->v.Tuple.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2810 if (e->v.Tuple.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2811 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2812 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2813 expr_ty elt = asdl_seq_GET(e->v.Tuple.elts, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2814 if (elt->kind == Starred_kind && !seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2815 if ((i >= (1 << 8)) \|\|
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2816 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2817 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2818 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2819 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2820 ADDOP_I(c, UNPACK_EX, (i + ((n-i-1) << 8)));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2821 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2822 asdl_seq_SET(e->v.Tuple.elts, i, elt->v.Starred.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2823 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2824 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2825 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2826 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2827 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2828 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2829 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2830 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2831 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2832 VISIT_SEQ(c, expr, e->v.Tuple.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2833 if (e->v.Tuple.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2834 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2835 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2836 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2837 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2838
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2839 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2840 compiler_compare(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2841 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2842 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2843 basicblock *cleanup = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2844
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2845 /* XXX the logic can be cleaned up for 1 or multiple comparisons */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2846 VISIT(c, expr, e->v.Compare.left);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2847 n = asdl_seq_LEN(e->v.Compare.ops);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2848 assert(n > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2849 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2850 cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2851 if (cleanup == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2852 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2853 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2854 (expr_ty)asdl_seq_GET(e->v.Compare.comparators, 0));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2855 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2856 for (i = 1; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2857 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2858 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2859 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2860 cmpop((cmpop_ty)(asdl_seq_GET(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2861 e->v.Compare.ops, i - 1))));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2862 ADDOP_JABS(c, JUMP_IF_FALSE_OR_POP, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2863 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2864 if (i < (n - 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2865 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2866 (expr_ty)asdl_seq_GET(e->v.Compare.comparators, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2867 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2868 VISIT(c, expr, (expr_ty)asdl_seq_GET(e->v.Compare.comparators, n - 1));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2869 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2870 cmpop((cmpop_ty)(asdl_seq_GET(e->v.Compare.ops, n - 1))));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2871 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2872 basicblock *end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2873 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2874 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2875 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2876 compiler_use_next_block(c, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2877 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2878 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2879 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2880 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2881 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2882 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2883
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2884 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2885 compiler_call(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2886 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2887 VISIT(c, expr, e->v.Call.func);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2888 return compiler_call_helper(c, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2889 e->v.Call.args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2890 e->v.Call.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2891 e->v.Call.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2892 e->v.Call.kwargs);
41226 19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2893 }
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2894
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2895 /* shared code between compiler_call and compiler_class */
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2896 static int
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2897 compiler_call_helper(struct compiler *c,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2898 int n, /* Args already pushed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2899 asdl_seq *args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2900 asdl_seq *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2901 expr_ty starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2902 expr_ty kwargs)
41226 19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2903 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2904 int code = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2905
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2906 n += asdl_seq_LEN(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2907 VISIT_SEQ(c, expr, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2908 if (keywords) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2909 VISIT_SEQ(c, keyword, keywords);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2910 n \|= asdl_seq_LEN(keywords) << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2911 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2912 if (starargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2913 VISIT(c, expr, starargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2914 code \|= 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2915 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2916 if (kwargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2917 VISIT(c, expr, kwargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2918 code \|= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2919 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2920 switch (code) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2921 case 0:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2922 ADDOP_I(c, CALL_FUNCTION, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2923 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2924 case 1:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2925 ADDOP_I(c, CALL_FUNCTION_VAR, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2926 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2927 case 2:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2928 ADDOP_I(c, CALL_FUNCTION_KW, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2929 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2930 case 3:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2931 ADDOP_I(c, CALL_FUNCTION_VAR_KW, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2932 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2933 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2934 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2935 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2936
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2937
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2938 /* List and set comprehensions and generator expressions work by creating a
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2939 nested function to perform the actual iteration. This means that the
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2940 iteration variables don't leak into the current scope.
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2941 The defined function is called immediately following its definition, with the
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2942 result of that call being the result of the expression.
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2943 The LC/SC version returns the populated container, while the GE version is
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2944 flagged in symtable.c as a generator, so it returns the generator object
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2945 when the function is called.
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2946 This code knows that the loop cannot contain break, continue, or return,
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2947 so it cheats and skips the SETUP_LOOP/POP_BLOCK steps used in normal loops.
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2948
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2949 Possible cleanups:
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2950 - iterate over the generator sequence instead of using recursion
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2951 */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2952
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2953 static int
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2954 compiler_comprehension_generator(struct compiler *c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2955 asdl_seq *generators, int gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2956 expr_ty elt, expr_ty val, int type)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2957 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2958 /* generate code for the iterator, then each of the ifs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2959 and then write to the element */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2960
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2961 comprehension_ty gen;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2962 basicblock start, anchor, skip, if_cleanup;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2963 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2964
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2965 start = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2966 skip = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2967 if_cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2968 anchor = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2969
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2970 if (start == NULL \|\| skip == NULL \|\| if_cleanup == NULL \|\|
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2971 anchor == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2972 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2973
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2974 gen = (comprehension_ty)asdl_seq_GET(generators, gen_index);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2975
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2976 if (gen_index == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2977 /* Receive outermost iter as an implicit argument */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2978 c->u->u_argcount = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2979 ADDOP_I(c, LOAD_FAST, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2980 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2981 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2982 /* Sub-iter - calculate on the fly */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2983 VISIT(c, expr, gen->iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2984 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2985 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2986 compiler_use_next_block(c, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2987 ADDOP_JREL(c, FOR_ITER, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2988 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2989 VISIT(c, expr, gen->target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2990
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2991 /* XXX this needs to be cleaned up...a lot! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2992 n = asdl_seq_LEN(gen->ifs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2993 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2994 expr_ty e = (expr_ty)asdl_seq_GET(gen->ifs, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2995 VISIT(c, expr, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2996 ADDOP_JABS(c, POP_JUMP_IF_FALSE, if_cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2997 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2998 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2999
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3000 if (++gen_index < asdl_seq_LEN(generators))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3001 if (!compiler_comprehension_generator(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3002 generators, gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3003 elt, val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3004 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3005
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3006 /* only append after the last for generator */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3007 if (gen_index >= asdl_seq_LEN(generators)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3008 /* comprehension specific code */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3009 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3010 case COMP_GENEXP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3011 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3012 ADDOP(c, YIELD_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3013 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3014 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3015 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3016 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3017 ADDOP_I(c, LIST_APPEND, gen_index + 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3018 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3019 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3020 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3021 ADDOP_I(c, SET_ADD, gen_index + 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3022 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3023 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3024 /* With 'd[k] = v', v is evaluated before k, so we do
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3025 the same. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3026 VISIT(c, expr, val);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3027 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3028 ADDOP_I(c, MAP_ADD, gen_index + 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3029 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3030 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3031 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3032 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3033
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3034 compiler_use_next_block(c, skip);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3035 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3036 compiler_use_next_block(c, if_cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3037 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3038 compiler_use_next_block(c, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3039
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3040 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3041 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3042
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3043 static int
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3044 compiler_comprehension(struct compiler *c, expr_ty e, int type, identifier name,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3045 asdl_seq *generators, expr_ty elt, expr_ty val)
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3046 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3047 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3048 expr_ty outermost_iter;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3049 PyObject *qualname = NULL;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3050
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3051 outermost_iter = ((comprehension_ty)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3052 asdl_seq_GET(generators, 0))->iter;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3053
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3054 if (!compiler_enter_scope(c, name, COMPILER_SCOPE_COMPREHENSION,
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3055 (void *)e, e->lineno))
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3056 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3057
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3058 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3059 int op;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3060 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3061 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3062 op = BUILD_LIST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3063 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3064 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3065 op = BUILD_SET;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3066 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3067 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3068 op = BUILD_MAP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3069 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3070 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3071 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3072 "unknown comprehension type %d", type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3073 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3074 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3075
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3076 ADDOP_I(c, op, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3077 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3078
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3079 if (!compiler_comprehension_generator(c, generators, 0, elt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3080 val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3081 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3082
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3083 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3084 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3085 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3086
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3087 co = assemble(c, 1);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3088 qualname = compiler_scope_qualname(c);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3089 compiler_exit_scope(c);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3090 if (qualname == NULL \|\| co == NULL)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3091 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3092
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3093 if (!compiler_make_closure(c, co, 0, qualname))
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3094 goto error;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3095 Py_DECREF(qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3096 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3097
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3098 VISIT(c, expr, outermost_iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3099 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3100 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3101 return 1;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3102 error_in_scope:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3103 compiler_exit_scope(c);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3104 error:
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3105 Py_XDECREF(qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3106 Py_XDECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3107 return 0;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3108 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3109
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3110 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3111 compiler_genexp(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3112 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3113 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3114 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3115 name = PyUnicode_FromString("<genexpr>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3116 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3117 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3118 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3119 assert(e->kind == GeneratorExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3120 return compiler_comprehension(c, e, COMP_GENEXP, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3121 e->v.GeneratorExp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3122 e->v.GeneratorExp.elt, NULL);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3123 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3124
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3125 static int
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3126 compiler_listcomp(struct compiler *c, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3127 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3128 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3129 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3130 name = PyUnicode_FromString("<listcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3131 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3132 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3133 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3134 assert(e->kind == ListComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3135 return compiler_comprehension(c, e, COMP_LISTCOMP, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3136 e->v.ListComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3137 e->v.ListComp.elt, NULL);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3138 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3139
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3140 static int
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3141 compiler_setcomp(struct compiler *c, expr_ty e)
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3142 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3143 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3144 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3145 name = PyUnicode_FromString("<setcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3146 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3147 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3148 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3149 assert(e->kind == SetComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3150 return compiler_comprehension(c, e, COMP_SETCOMP, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3151 e->v.SetComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3152 e->v.SetComp.elt, NULL);
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3153 }
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3154
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3155
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3156 static int
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3157 compiler_dictcomp(struct compiler *c, expr_ty e)
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3158 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3159 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3160 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3161 name = PyUnicode_FromString("<dictcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3162 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3163 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3164 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3165 assert(e->kind == DictComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3166 return compiler_comprehension(c, e, COMP_DICTCOMP, name,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3167 e->v.DictComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3168 e->v.DictComp.key, e->v.DictComp.value);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3169 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3170
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3171
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3172 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3173 compiler_visit_keyword(struct compiler *c, keyword_ty k)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3174 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3175 ADDOP_O(c, LOAD_CONST, k->arg, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3176 VISIT(c, expr, k->value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3177 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3178 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3179
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3180 /* Test whether expression is constant. For constants, report
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3181 whether they are true or false.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3182
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3183 Return values: 1 for true, 0 for false, -1 for non-constant.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3184 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3185
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3186 static int
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	3187 expr_constant(struct compiler *c, expr_ty e)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3188 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3189 char *id;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3190 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3191 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3192 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3193 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3194 return PyObject_IsTrue(e->v.Num.n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3195 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3196 return PyObject_IsTrue(e->v.Str.s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3197 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3198 /* optimize away names that can't be reassigned */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	3199 id = PyUnicode_AsUTF8(e->v.Name.id);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3200 if (strcmp(id, "True") == 0) return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3201 if (strcmp(id, "False") == 0) return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3202 if (strcmp(id, "None") == 0) return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3203 if (strcmp(id, "__debug__") == 0)
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	3204 return ! c->c_optimize;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3205 /* fall through */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3206 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3207 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3208 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3209 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3210
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3211 /*
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3212 Implements the with statement from PEP 343.
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3213
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3214 The semantics outlined in that PEP are as follows:
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3215
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3216 with EXPR as VAR:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3217 BLOCK
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3218
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3219 It is implemented roughly as:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3220
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	3221 context = EXPR
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3222 exit = context.__exit__ # not calling it
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3223 value = context.__enter__()
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3224 try:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3225 VAR = value # if VAR present in the syntax
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3226 BLOCK
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3227 finally:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3228 if an exception was raised:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3229 exc = copy of (exception, instance, traceback)
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3230 else:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3231 exc = (None, None, None)
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3232 exit(*exc)
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3233 */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3234 static int
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3235 compiler_with(struct compiler *c, stmt_ty s, int pos)
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3236 {
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3237 basicblock block, finally;
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3238 withitem_ty item = asdl_seq_GET(s->v.With.items, pos);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3239
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3240 assert(s->kind == With_kind);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3241
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3242 block = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3243 finally = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3244 if (!block \|\| !finally)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	3245 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3246
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	3247 /* Evaluate EXPR */
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3248 VISIT(c, expr, item->context_expr);
54889 3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 53816 diff changeset	3249 ADDOP_JREL(c, SETUP_WITH, finally);
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 53816 diff changeset	3250
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 53816 diff changeset	3251 /* SETUP_WITH pushes a finally block. */
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3252 compiler_use_next_block(c, block);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3253 if (!compiler_push_fblock(c, FINALLY_TRY, block)) {
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	3254 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3255 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3256
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3257 if (item->optional_vars) {
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3258 VISIT(c, expr, item->optional_vars);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3259 }
54889 3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 53816 diff changeset	3260 else {
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3261 /* Discard result from context.__enter__() */
62455 eb95af0a99cb Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62389 diff changeset	3262 ADDOP(c, POP_TOP);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3263 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3264
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3265 pos++;
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3266 if (pos == asdl_seq_LEN(s->v.With.items))
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3267 /* BLOCK code */
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3268 VISIT_SEQ(c, stmt, s->v.With.body)
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3269 else if (!compiler_with(c, s, pos))
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3270 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3271
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3272 /* End of try block; start the finally block */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3273 ADDOP(c, POP_BLOCK);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3274 compiler_pop_fblock(c, FINALLY_TRY, block);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3275
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3276 ADDOP_O(c, LOAD_CONST, Py_None, consts);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3277 compiler_use_next_block(c, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3278 if (!compiler_push_fblock(c, FINALLY_END, finally))
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	3279 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3280
45773 832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45760 diff changeset	3281 /* Finally block starts; context.__exit__ is on the stack under
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45760 diff changeset	3282 the exception or return information. Just issue our magic
832c820e9d14 Merged revisions 61239-61249,61252-61257,61260-61264,61269-61275,61278-61279,61285-61286,61288-61290,61298,61303-61305,61312-61314,61317,61329,61332,61344,61350-61351,61363-61376,61378-61379,61382-61383,61387-61388,61392,61395-61396,61402-61403 via svnmerge from Christian Heimes <christian@cheimes.de> parents: 45760 diff changeset	3283 opcode. */
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3284 ADDOP(c, WITH_CLEANUP);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3285
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3286 /* Finally block ends. */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3287 ADDOP(c, END_FINALLY);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3288 compiler_pop_fblock(c, FINALLY_END, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3289 return 1;
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3290 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3291
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3292 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3293 compiler_visit_expr(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3294 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3295 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3296
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3297 /* If expr e has a different line number than the last expr/stmt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3298 set a new line number for the next instruction.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3299 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3300 if (e->lineno > c->u->u_lineno) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3301 c->u->u_lineno = e->lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3302 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3303 }
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	3304 /* Updating the column offset is always harmless. */
861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	3305 c->u->u_col_offset = e->col_offset;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3306 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3307 case BoolOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3308 return compiler_boolop(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3309 case BinOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3310 VISIT(c, expr, e->v.BinOp.left);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3311 VISIT(c, expr, e->v.BinOp.right);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3312 ADDOP(c, binop(c, e->v.BinOp.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3313 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3314 case UnaryOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3315 VISIT(c, expr, e->v.UnaryOp.operand);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3316 ADDOP(c, unaryop(e->v.UnaryOp.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3317 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3318 case Lambda_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3319 return compiler_lambda(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3320 case IfExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3321 return compiler_ifexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3322 case Dict_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3323 n = asdl_seq_LEN(e->v.Dict.values);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3324 ADDOP_I(c, BUILD_MAP, (n>0xFFFF ? 0xFFFF : n));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3325 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3326 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3327 (expr_ty)asdl_seq_GET(e->v.Dict.values, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3328 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3329 (expr_ty)asdl_seq_GET(e->v.Dict.keys, i));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3330 ADDOP(c, STORE_MAP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3331 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3332 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3333 case Set_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3334 n = asdl_seq_LEN(e->v.Set.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3335 VISIT_SEQ(c, expr, e->v.Set.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3336 ADDOP_I(c, BUILD_SET, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3337 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3338 case GeneratorExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3339 return compiler_genexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3340 case ListComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3341 return compiler_listcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3342 case SetComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3343 return compiler_setcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3344 case DictComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3345 return compiler_dictcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3346 case Yield_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3347 if (c->u->u_ste->ste_type != FunctionBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3348 return compiler_error(c, "'yield' outside function");
80589 ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3349 if (e->v.Yield.value) {
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3350 VISIT(c, expr, e->v.Yield.value);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3351 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3352 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3353 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3354 }
80589 ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3355 ADDOP(c, YIELD_VALUE);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3356 break;
80589 ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3357 case YieldFrom_kind:
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3358 if (c->u->u_ste->ste_type != FunctionBlock)
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3359 return compiler_error(c, "'yield' outside function");
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3360 VISIT(c, expr, e->v.YieldFrom.value);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3361 ADDOP(c, GET_ITER);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3362 ADDOP_O(c, LOAD_CONST, Py_None, consts);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3363 ADDOP(c, YIELD_FROM);
ffb2fa900cb7 Issue #16546: make ast.YieldFrom argument mandatory. Mark Dickinson <mdickinson@enthought.com> parents: 80239 diff changeset	3364 break;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3365 case Compare_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3366 return compiler_compare(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3367 case Call_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3368 return compiler_call(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3369 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3370 ADDOP_O(c, LOAD_CONST, e->v.Num.n, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3371 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3372 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3373 ADDOP_O(c, LOAD_CONST, e->v.Str.s, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3374 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3375 case Bytes_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3376 ADDOP_O(c, LOAD_CONST, e->v.Bytes.s, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3377 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3378 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3379 ADDOP_O(c, LOAD_CONST, Py_Ellipsis, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3380 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3381 /* The following exprs can be assignment targets. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3382 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3383 if (e->v.Attribute.ctx != AugStore)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3384 VISIT(c, expr, e->v.Attribute.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3385 switch (e->v.Attribute.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3386 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3387 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3388 /* Fall through to load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3389 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3390 ADDOP_NAME(c, LOAD_ATTR, e->v.Attribute.attr, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3391 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3392 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3393 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3394 /* Fall through to save */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3395 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3396 ADDOP_NAME(c, STORE_ATTR, e->v.Attribute.attr, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3397 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3398 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3399 ADDOP_NAME(c, DELETE_ATTR, e->v.Attribute.attr, names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3400 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3401 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3402 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3403 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3404 "param invalid in attribute expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3405 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3406 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3407 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3408 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3409 switch (e->v.Subscript.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3410 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3411 VISIT(c, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3412 VISIT_SLICE(c, e->v.Subscript.slice, AugLoad);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3413 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3414 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3415 VISIT(c, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3416 VISIT_SLICE(c, e->v.Subscript.slice, Load);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3417 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3418 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3419 VISIT_SLICE(c, e->v.Subscript.slice, AugStore);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3420 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3421 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3422 VISIT(c, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3423 VISIT_SLICE(c, e->v.Subscript.slice, Store);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3424 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3425 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3426 VISIT(c, expr, e->v.Subscript.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3427 VISIT_SLICE(c, e->v.Subscript.slice, Del);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3428 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3429 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3430 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3431 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3432 "param invalid in subscript expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3433 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3434 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3435 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3436 case Starred_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3437 switch (e->v.Starred.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3438 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3439 /* In all legitimate cases, the Starred node was already replaced
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3440 * by compiler_list/compiler_tuple. XXX: is that okay? */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3441 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3442 "starred assignment target must be in a list or tuple");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3443 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3444 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3445 "can use starred expression only as assignment target");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3446 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3447 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3448 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3449 return compiler_nameop(c, e->v.Name.id, e->v.Name.ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3450 /* 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: 57502 diff changeset	3451 case List_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3452 return compiler_list(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3453 case Tuple_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3454 return compiler_tuple(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3455 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3456 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3457 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3458
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3459 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3460 compiler_augassign(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3461 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3462 expr_ty e = s->v.AugAssign.target;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3463 expr_ty auge;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3464
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3465 assert(s->kind == AugAssign_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3466
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3467 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3468 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3469 auge = Attribute(e->v.Attribute.value, e->v.Attribute.attr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3470 AugLoad, e->lineno, e->col_offset, c->c_arena);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3471 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3472 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3473 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3474 VISIT(c, expr, s->v.AugAssign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3475 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3476 auge->v.Attribute.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3477 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3478 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3479 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3480 auge = Subscript(e->v.Subscript.value, e->v.Subscript.slice,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3481 AugLoad, e->lineno, e->col_offset, c->c_arena);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3482 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3483 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3484 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3485 VISIT(c, expr, s->v.AugAssign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3486 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3487 auge->v.Subscript.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3488 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3489 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3490 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3491 if (!compiler_nameop(c, e->v.Name.id, Load))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3492 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3493 VISIT(c, expr, s->v.AugAssign.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3494 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3495 return compiler_nameop(c, e->v.Name.id, Store);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3496 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3497 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3498 "invalid node type (%d) for augmented assignment",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3499 e->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3500 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3501 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3502 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3503 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3504
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3505 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3506 compiler_push_fblock(struct compiler c, enum fblocktype t, basicblock b)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3507 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3508 struct fblockinfo *f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3509 if (c->u->u_nfblocks >= CO_MAXBLOCKS) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3510 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3511 "too many statically nested blocks");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3512 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3513 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3514 f = &c->u->u_fblock[c->u->u_nfblocks++];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3515 f->fb_type = t;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3516 f->fb_block = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3517 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3518 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3519
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3520 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3521 compiler_pop_fblock(struct compiler c, enum fblocktype t, basicblock b)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3522 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3523 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3524 assert(u->u_nfblocks > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3525 u->u_nfblocks--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3526 assert(u->u_fblock[u->u_nfblocks].fb_type == t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3527 assert(u->u_fblock[u->u_nfblocks].fb_block == b);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3528 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3529
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3530 static int
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3531 compiler_in_loop(struct compiler *c) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3532 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3533 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3534 for (i = 0; i < u->u_nfblocks; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3535 if (u->u_fblock[i].fb_type == LOOP)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3536 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3537 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3538 return 0;
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3539 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3540 /* Raises a SyntaxError and returns 0.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3541 If something goes wrong, a different exception may be raised.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3542 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3543
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3544 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3545 compiler_error(struct compiler c, const char errstr)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3546 {
70435 27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	3547 PyObject *loc;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3548 PyObject u = NULL, v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3549
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3550 loc = PyErr_ProgramText(c->c_filename, c->u->u_lineno);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3551 if (!loc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3552 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3553 loc = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3554 }
70435 27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	3555 u = Py_BuildValue("(OiiO)", c->c_filename_obj, c->u->u_lineno,
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	3556 c->u->u_col_offset, loc);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3557 if (!u)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3558 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3559 v = Py_BuildValue("(zO)", errstr, u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3560 if (!v)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3561 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3562 PyErr_SetObject(PyExc_SyntaxError, v);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3563 exit:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3564 Py_DECREF(loc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3565 Py_XDECREF(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3566 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3567 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3568 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3569
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3570 static int
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3571 compiler_handle_subscr(struct compiler c, const char kind,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3572 expr_context_ty ctx)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3573 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3574 int op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3575
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3576 /* XXX this code is duplicated */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3577 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3578 case AugLoad: /* fall through to Load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3579 case Load: op = BINARY_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3580 case AugStore:/* fall through to Store */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3581 case Store: op = STORE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3582 case Del: op = DELETE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3583 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3584 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3585 "invalid %s kind %d in subscript\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3586 kind, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3587 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3588 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3589 if (ctx == AugLoad) {
64439 725231211273 Issue #9225: Remove the ROT_FOUR and DUP_TOPX opcode, the latter replaced Antoine Pitrou <solipsis@pitrou.net> parents: 63114 diff changeset	3590 ADDOP(c, DUP_TOP_TWO);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3591 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3592 else if (ctx == AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3593 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3594 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3595 ADDOP(c, op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3596 return 1;
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3597 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3598
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3599 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3600 compiler_slice(struct compiler *c, slice_ty s, expr_context_ty ctx)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3601 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3602 int n = 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3603 assert(s->kind == Slice_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3604
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3605 /* only handles the cases where BUILD_SLICE is emitted */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3606 if (s->v.Slice.lower) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3607 VISIT(c, expr, s->v.Slice.lower);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3608 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3609 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3610 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3611 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3612
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3613 if (s->v.Slice.upper) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3614 VISIT(c, expr, s->v.Slice.upper);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3615 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3616 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3617 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3618 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3619
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3620 if (s->v.Slice.step) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3621 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3622 VISIT(c, expr, s->v.Slice.step);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3623 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3624 ADDOP_I(c, BUILD_SLICE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3625 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3626 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3627
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3628 static int
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3629 compiler_visit_nested_slice(struct compiler *c, slice_ty s,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3630 expr_context_ty ctx)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3631 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3632 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3633 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3634 return compiler_slice(c, s, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3635 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3636 VISIT(c, expr, s->v.Index.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3637 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3638 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3639 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3640 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3641 "extended slice invalid in nested slice");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3642 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3643 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3644 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3645 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3646
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3647 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3648 compiler_visit_slice(struct compiler *c, slice_ty s, expr_context_ty ctx)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3649 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3650 char * kindname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3651 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3652 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3653 kindname = "index";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3654 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3655 VISIT(c, expr, s->v.Index.value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3656 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3657 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3658 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3659 kindname = "slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3660 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3661 if (!compiler_slice(c, s, ctx))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3662 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3663 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3664 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3665 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3666 kindname = "extended slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3667 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3668 int i, n = asdl_seq_LEN(s->v.ExtSlice.dims);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3669 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3670 slice_ty sub = (slice_ty)asdl_seq_GET(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3671 s->v.ExtSlice.dims, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3672 if (!compiler_visit_nested_slice(c, sub, ctx))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3673 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3674 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3675 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3676 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3677 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3678 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3679 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3680 "invalid subscript kind %d", s->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3681 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3682 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3683 return compiler_handle_subscr(c, kindname, ctx);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3684 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3685
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3686 /* End of the compiler section, beginning of the assembler section */
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3687
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3688 /* do depth-first search of basic block graph, starting with block.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3689 post records the block indices in post-order.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3690
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3691 XXX must handle implicit jumps from one block to next
16015 c832ef72499d This patch introduces an extra pass to the compiler that generates a Jeremy Hylton <jeremy@alum.mit.edu> parents: 16006 diff changeset	3692 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a Jeremy Hylton <jeremy@alum.mit.edu> parents: 16006 diff changeset	3693
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3694 struct assembler {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3695 PyObject a_bytecode; / string containing bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3696 int a_offset; /* offset into bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3697 int a_nblocks; /* number of reachable blocks */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3698 basicblock *a_postorder; / list of blocks in dfs postorder */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3699 PyObject a_lnotab; / string containing lnotab */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3700 int a_lnotab_off; /* offset into lnotab */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3701 int a_lineno; /* last lineno of emitted instruction */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3702 int a_lineno_off; /* bytecode offset of last lineno */
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3703 };
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3704
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3705 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3706 dfs(struct compiler c, basicblock b, struct assembler *a)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3707 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3708 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3709 struct instr *instr = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3710
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3711 if (b->b_seen)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3712 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3713 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3714 if (b->b_next != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3715 dfs(c, b->b_next, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3716 for (i = 0; i < b->b_iused; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3717 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3718 if (instr->i_jrel \|\| instr->i_jabs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3719 dfs(c, instr->i_target, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3720 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3721 a->a_postorder[a->a_nblocks++] = b;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3722 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3723
35860 9b885c934144 make internal method static Neal Norwitz <nnorwitz@gmail.com> parents: 35797 diff changeset	3724 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3725 stackdepth_walk(struct compiler c, basicblock b, int depth, int maxdepth)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3726 {
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3727 int i, target_depth;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3728 struct instr *instr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3729 if (b->b_seen \|\| b->b_startdepth >= depth)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3730 return maxdepth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3731 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3732 b->b_startdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3733 for (i = 0; i < b->b_iused; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3734 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3735 depth += opcode_stack_effect(instr->i_opcode, instr->i_oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3736 if (depth > maxdepth)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3737 maxdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3738 assert(depth >= 0); /* invalid code or bug in stackdepth() */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3739 if (instr->i_jrel \|\| instr->i_jabs) {
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3740 target_depth = depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3741 if (instr->i_opcode == FOR_ITER) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3742 target_depth = depth-2;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3743 } else if (instr->i_opcode == SETUP_FINALLY \|\|
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3744 instr->i_opcode == SETUP_EXCEPT) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3745 target_depth = depth+3;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3746 if (target_depth > maxdepth)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3747 maxdepth = target_depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3748 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3749 maxdepth = stackdepth_walk(c, instr->i_target,
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3750 target_depth, maxdepth);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3751 if (instr->i_opcode == JUMP_ABSOLUTE \|\|
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3752 instr->i_opcode == JUMP_FORWARD) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3753 goto out; /* remaining code is dead */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3754 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3755 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3756 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3757 if (b->b_next)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3758 maxdepth = stackdepth_walk(c, b->b_next, depth, maxdepth);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3759 out:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3760 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3761 return maxdepth;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3762 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3763
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3764 /* Find the flow path that needs the largest stack. We assume that
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3765 * cycles in the flow graph have no net effect on the stack depth.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3766 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3767 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3768 stackdepth(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3769 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3770 basicblock b, entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3771 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3772 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3773 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3774 b->b_startdepth = INT_MIN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3775 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3776 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3777 if (!entryblock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3778 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3779 return stackdepth_walk(c, entryblock, 0, 0);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3780 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3781
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3782 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3783 assemble_init(struct assembler *a, int nblocks, int firstlineno)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3784 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3785 memset(a, 0, sizeof(struct assembler));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3786 a->a_lineno = firstlineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3787 a->a_bytecode = PyBytes_FromStringAndSize(NULL, DEFAULT_CODE_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3788 if (!a->a_bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3789 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3790 a->a_lnotab = PyBytes_FromStringAndSize(NULL, DEFAULT_LNOTAB_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3791 if (!a->a_lnotab)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3792 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3793 if (nblocks > PY_SIZE_MAX / sizeof(basicblock *)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3794 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3795 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3796 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3797 a->a_postorder = (basicblock **)PyObject_Malloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3798 sizeof(basicblock ) nblocks);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3799 if (!a->a_postorder) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3800 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3801 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3802 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3803 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3804 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3805
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3806 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3807 assemble_free(struct assembler *a)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3808 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3809 Py_XDECREF(a->a_bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3810 Py_XDECREF(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3811 if (a->a_postorder)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3812 PyObject_Free(a->a_postorder);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3813 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3814
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3815 /* Return the size of a basic block in bytes. */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3816
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3817 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3818 instrsize(struct instr *instr)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3819 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3820 if (!instr->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3821 return 1; /* 1 byte for the opcode*/
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3822 if (instr->i_oparg > 0xffff)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3823 return 6; /* 1 (opcode) + 1 (EXTENDED_ARG opcode) + 2 (oparg) + 2(oparg extended) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3824 return 3; /* 1 (opcode) + 2 (oparg) */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3825 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3826
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3827 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3828 blocksize(basicblock *b)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3829 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3830 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3831 int size = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3832
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3833 for (i = 0; i < b->b_iused; i++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3834 size += instrsize(&b->b_instr[i]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3835 return size;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3836 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3837
55372 79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from Alexandre Vassalotti <alexandre@peadrop.com> parents: 54918 diff changeset	3838 /* Appends a pair to the end of the line number table, a_lnotab, representing
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from Alexandre Vassalotti <alexandre@peadrop.com> parents: 54918 diff changeset	3839 the instruction's bytecode offset and line number. See
79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from Alexandre Vassalotti <alexandre@peadrop.com> parents: 54918 diff changeset	3840 Objects/lnotab_notes.txt for the description of the line number table. */
18065 889db6d55506 SF bug 430991: wrong co_lnotab Tim Peters <tim.peters@gmail.com> parents: 17736 diff changeset	3841
17518 f939ce52a734 Make some private symbols static. Guido van Rossum <guido@python.org> parents: 17355 diff changeset	3842 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3843 assemble_lnotab(struct assembler a, struct instr i)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3844 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3845 int d_bytecode, d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3846 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3847 unsigned char *lnotab;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3848
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3849 d_bytecode = a->a_offset - a->a_lineno_off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3850 d_lineno = i->i_lineno - a->a_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3851
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3852 assert(d_bytecode >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3853 assert(d_lineno >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3854
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3855 if(d_bytecode == 0 && d_lineno == 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3856 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3857
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3858 if (d_bytecode > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3859 int j, nbytes, ncodes = d_bytecode / 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3860 nbytes = a->a_lnotab_off + 2 * ncodes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3861 len = PyBytes_GET_SIZE(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3862 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3863 if ((len <= INT_MAX / 2) && (len * 2 < nbytes))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3864 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3865 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3866 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3867 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3868 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3869 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3870 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3871 if (_PyBytes_Resize(&a->a_lnotab, len) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3872 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3873 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3874 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3875 PyBytes_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3876 for (j = 0; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3877 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3878 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3879 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3880 d_bytecode -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3881 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3882 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3883 assert(d_bytecode <= 255);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3884 if (d_lineno > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3885 int j, nbytes, ncodes = d_lineno / 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3886 nbytes = a->a_lnotab_off + 2 * ncodes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3887 len = PyBytes_GET_SIZE(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3888 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3889 if ((len <= INT_MAX / 2) && len * 2 < nbytes)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3890 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3891 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3892 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3893 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3894 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3895 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3896 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3897 if (_PyBytes_Resize(&a->a_lnotab, len) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3898 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3899 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3900 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3901 PyBytes_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3902 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3903 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3904 d_bytecode = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3905 for (j = 1; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3906 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3907 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3908 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3909 d_lineno -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3910 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3911 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3912
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3913 len = PyBytes_GET_SIZE(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3914 if (a->a_lnotab_off + 2 >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3915 if (_PyBytes_Resize(&a->a_lnotab, len * 2) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3916 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3917 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3918 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3919 PyBytes_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3920
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3921 a->a_lnotab_off += 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3922 if (d_bytecode) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3923 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3924 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3925 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3926 else { /* First line of a block; def stmt, etc. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3927 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3928 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3929 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3930 a->a_lineno = i->i_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3931 a->a_lineno_off = a->a_offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3932 return 1;
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	3933 }
16015 c832ef72499d This patch introduces an extra pass to the compiler that generates a Jeremy Hylton <jeremy@alum.mit.edu> parents: 16006 diff changeset	3934
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3935 /* assemble_emit()
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3936 Extend the bytecode with a new instruction.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3937 Update lnotab if necessary.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3938 */
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	3939
24855 bed5d5e536bc Add warnings for assignment or deletion of variables and attributes Guido van Rossum <guido@python.org> parents: 24854 diff changeset	3940 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3941 assemble_emit(struct assembler a, struct instr i)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3942 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3943 int size, arg = 0, ext = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3944 Py_ssize_t len = PyBytes_GET_SIZE(a->a_bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3945 char *code;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3946
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3947 size = instrsize(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3948 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3949 arg = i->i_oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3950 ext = arg >> 16;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3951 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3952 if (i->i_lineno && !assemble_lnotab(a, i))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3953 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3954 if (a->a_offset + size >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3955 if (len > PY_SSIZE_T_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3956 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3957 if (_PyBytes_Resize(&a->a_bytecode, len * 2) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3958 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3959 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3960 code = PyBytes_AS_STRING(a->a_bytecode) + a->a_offset;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3961 a->a_offset += size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3962 if (size == 6) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3963 assert(i->i_hasarg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3964 *code++ = (char)EXTENDED_ARG;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3965 *code++ = ext & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3966 *code++ = ext >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3967 arg &= 0xffff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3968 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3969 *code++ = i->i_opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3970 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3971 assert(size == 3 \|\| size == 6);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3972 *code++ = arg & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3973 *code++ = arg >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3974 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3975 return 1;
19187 30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time Jeremy Hylton <jeremy@alum.mit.edu> parents: 19177 diff changeset	3976 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time Jeremy Hylton <jeremy@alum.mit.edu> parents: 19177 diff changeset	3977
35789 19a37a9f4ef9 cleanup a bit and reuse instrsize (instruction size). working towards fixing problems with EXTENDED_ARG Neal Norwitz <nnorwitz@gmail.com> parents: 35781 diff changeset	3978 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3979 assemble_jump_offsets(struct assembler a, struct compiler c)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3980 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3981 basicblock *b;
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3982 int bsize, totsize, extended_arg_count = 0, last_extended_arg_count;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3983 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3984
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3985 /* Compute the size of each block and fixup jump args.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3986 Replace block pointer with position in bytecode. */
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3987 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3988 totsize = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3989 for (i = a->a_nblocks - 1; i >= 0; i--) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3990 b = a->a_postorder[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3991 bsize = blocksize(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3992 b->b_offset = totsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3993 totsize += bsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3994 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3995 last_extended_arg_count = extended_arg_count;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3996 extended_arg_count = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3997 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3998 bsize = b->b_offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3999 for (i = 0; i < b->b_iused; i++) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4000 struct instr *instr = &b->b_instr[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4001 /* Relative jumps are computed relative to
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4002 the instruction pointer after fetching
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4003 the jump instruction.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4004 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4005 bsize += instrsize(instr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4006 if (instr->i_jabs)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4007 instr->i_oparg = instr->i_target->b_offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4008 else if (instr->i_jrel) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4009 int delta = instr->i_target->b_offset - bsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4010 instr->i_oparg = delta;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4011 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4012 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4013 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4014 if (instr->i_oparg > 0xffff)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4015 extended_arg_count++;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4016 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4017 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4018
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4019 /* XXX: This is an awful hack that could hurt performance, but
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4020 on the bright side it should work until we come up
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4021 with a better solution.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4022
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4023 The issue is that in the first loop blocksize() is called
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4024 which calls instrsize() which requires i_oparg be set
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4025 appropriately. There is a bootstrap problem because
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4026 i_oparg is calculated in the second loop above.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4027
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4028 So we loop until we stop seeing new EXTENDED_ARGs.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4029 The only EXTENDED_ARGs that could be popping up are
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4030 ones in jump instructions. So this should converge
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4031 fairly quickly.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4032 */
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4033 } while (last_extended_arg_count != extended_arg_count);
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	4034 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	4035
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4036 static PyObject *
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4037 dict_keys_inorder(PyObject *dict, int offset)
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4038 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4039 PyObject tuple, k, *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4040 Py_ssize_t i, pos = 0, size = PyDict_Size(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4041
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4042 tuple = PyTuple_New(size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4043 if (tuple == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4044 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4045 while (PyDict_Next(dict, &pos, &k, &v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4046 i = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4047 /* The keys of the dictionary are tuples. (see compiler_add_o)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4048 The object we want is always first, though. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4049 k = PyTuple_GET_ITEM(k, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4050 Py_INCREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4051 assert((i - offset) < size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4052 assert((i - offset) >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4053 PyTuple_SET_ITEM(tuple, i - offset, k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4054 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4055 return tuple;
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4056 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4057
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4058 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4059 compute_code_flags(struct compiler *c)
16421 aa844711463a Move a bunch of definitions that were internal to compile.c to Jeremy Hylton <jeremy@alum.mit.edu> parents: 16408 diff changeset	4060 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4061 PySTEntryObject *ste = c->u->u_ste;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4062 int flags = 0, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4063 if (ste->ste_type != ModuleBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4064 flags \|= CO_NEWLOCALS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4065 if (ste->ste_type == FunctionBlock) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4066 if (!ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4067 flags \|= CO_OPTIMIZED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4068 if (ste->ste_nested)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4069 flags \|= CO_NESTED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4070 if (ste->ste_generator)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4071 flags \|= CO_GENERATOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4072 if (ste->ste_varargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4073 flags \|= CO_VARARGS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4074 if (ste->ste_varkeywords)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4075 flags \|= CO_VARKEYWORDS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4076 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4077
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4078 /* (Only) inherit compilerflags in PyCF_MASK */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4079 flags \|= (c->c_flags->cf_flags & PyCF_MASK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4080
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4081 n = PyDict_Size(c->u->u_freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4082 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4083 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4084 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4085 n = PyDict_Size(c->u->u_cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4086 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4087 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4088 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4089 flags \|= CO_NOFREE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4090 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4091 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4092
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4093 return flags;
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	4094 }
eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	4095
5373 5880384d7c71 Quickly renamed the remaining files -- this directory is done. Guido van Rossum <guido@python.org> parents: 5287 diff changeset	4096 static PyCodeObject *
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4097 makecode(struct compiler c, struct assembler a)
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	4098 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4099 PyObject *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4100 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4101 PyObject *consts = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4102 PyObject *names = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4103 PyObject *varnames = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4104 PyObject *name = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4105 PyObject *freevars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4106 PyObject *cellvars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4107 PyObject *bytecode = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4108 int nlocals, flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4109
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4110 tmp = dict_keys_inorder(c->u->u_consts, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4111 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4112 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4113 consts = PySequence_List(tmp); /* optimize_code requires a list */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4114 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4115
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4116 names = dict_keys_inorder(c->u->u_names, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4117 varnames = dict_keys_inorder(c->u->u_varnames, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4118 if (!consts \|\| !names \|\| !varnames)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4119 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4120
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4121 cellvars = dict_keys_inorder(c->u->u_cellvars, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4122 if (!cellvars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4123 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4124 freevars = dict_keys_inorder(c->u->u_freevars, PyTuple_Size(cellvars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4125 if (!freevars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4126 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4127 nlocals = PyDict_Size(c->u->u_varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4128 flags = compute_code_flags(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4129 if (flags < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4130 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4131
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4132 bytecode = PyCode_Optimize(a->a_bytecode, consts, names, a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4133 if (!bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4134 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4135
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4136 tmp = PyList_AsTuple(consts); /* PyCode_New requires a tuple */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4137 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4138 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4139 Py_DECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4140 consts = tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4141
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4142 co = PyCode_New(c->u->u_argcount, c->u->u_kwonlyargcount,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4143 nlocals, stackdepth(c), flags,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4144 bytecode, consts, names, varnames,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4145 freevars, cellvars,
70435 27359a4e0f8c try to use the same str object for all code filenames when compiling or unmarshalling (#12190) Benjamin Peterson <benjamin@python.org> parents: 70397 diff changeset	4146 c->c_filename_obj, c->u->u_name,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4147 c->u->u_firstlineno,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4148 a->a_lnotab);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4149 error:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4150 Py_XDECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4151 Py_XDECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4152 Py_XDECREF(varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4153 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4154 Py_XDECREF(freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4155 Py_XDECREF(cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4156 Py_XDECREF(bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4157 return co;
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	4158 }
5041 c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number Guido van Rossum <guido@python.org> parents: 5011 diff changeset	4159
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4160
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4161 /* For debugging purposes only */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4162 #if 0
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4163 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4164 dump_instr(const struct instr *i)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4165 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4166 const char *jrel = i->i_jrel ? "jrel " : "";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4167 const char *jabs = i->i_jabs ? "jabs " : "";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4168 char arg[128];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4169
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4170 *arg = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4171 if (i->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4172 sprintf(arg, "arg: %d ", i->i_oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4173
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4174 fprintf(stderr, "line: %d, opcode: %d %s%s%s\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4175 i->i_lineno, i->i_opcode, arg, jabs, jrel);
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4176 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4177
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4178 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4179 dump_basicblock(const basicblock *b)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4180 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4181 const char *seen = b->b_seen ? "seen " : "";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4182 const char *b_return = b->b_return ? "return " : "";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4183 fprintf(stderr, "used: %d, depth: %d, offset: %d %s%s\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4184 b->b_iused, b->b_startdepth, b->b_offset, seen, b_return);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4185 if (b->b_instr) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4186 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4187 for (i = 0; i < b->b_iused; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4188 fprintf(stderr, " [%02d] ", i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4189 dump_instr(b->b_instr + i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4190 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4191 }
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4192 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4193 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4194
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4195 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4196 assemble(struct compiler *c, int addNone)
16781 5a1230de436a Preliminary support for future nested scopes Jeremy Hylton <jeremy@alum.mit.edu> parents: 16763 diff changeset	4197 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4198 basicblock b, entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4199 struct assembler a;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4200 int i, j, nblocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4201 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4202
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4203 /* Make sure every block that falls off the end returns None.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4204 XXX NEXT_BLOCK() isn't quite right, because if the last
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4205 block ends with a jump or return b_next shouldn't set.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4206 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4207 if (!c->u->u_curblock->b_return) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4208 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4209 if (addNone)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4210 ADDOP_O(c, LOAD_CONST, Py_None, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4211 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4212 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4213
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4214 nblocks = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4215 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4216 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4217 nblocks++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4218 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4219 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4220
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4221 /* Set firstlineno if it wasn't explicitly set. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4222 if (!c->u->u_firstlineno) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4223 if (entryblock && entryblock->b_instr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4224 c->u->u_firstlineno = entryblock->b_instr->i_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4225 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4226 c->u->u_firstlineno = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4227 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4228 if (!assemble_init(&a, nblocks, c->u->u_firstlineno))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4229 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4230 dfs(c, entryblock, &a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4231
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4232 /* Can't modify the bytecode after computing jump offsets. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4233 assemble_jump_offsets(&a, c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4234
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4235 /* Emit code in reverse postorder from dfs. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4236 for (i = a.a_nblocks - 1; i >= 0; i--) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4237 b = a.a_postorder[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4238 for (j = 0; j < b->b_iused; j++)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4239 if (!assemble_emit(&a, &b->b_instr[j]))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4240 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4241 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4242
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4243 if (_PyBytes_Resize(&a.a_lnotab, a.a_lnotab_off) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4244 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4245 if (_PyBytes_Resize(&a.a_bytecode, a.a_offset) < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4246 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4247
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4248 co = makecode(c, &a);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4249 error:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4250 assemble_free(&a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4251 return co;
16015 c832ef72499d This patch introduces an extra pass to the compiler that generates a Jeremy Hylton <jeremy@alum.mit.edu> parents: 16006 diff changeset	4252 }
66685 713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4253
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4254 #undef PyAST_Compile
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4255 PyAPI_FUNC(PyCodeObject *)
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4256 PyAST_Compile(mod_ty mod, const char filename, PyCompilerFlags flags,
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4257 PyArena *arena)
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4258 {
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4259 return PyAST_CompileEx(mod, filename, flags, -1, arena);
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4260 }
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4261
713c6b6ca5ce Add an "optimize" parameter to compile() to control the optimization level, and provide an interface to it in py_compile, compileall and PyZipFile. Georg Brandl <georg@python.org> parents: 66556 diff changeset	4262

Mercurial > cpython-lru_cache-weakref

annotate Python/compile.c @ 87610:dfadce7635ce 3.3