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

annotate Python/compile.c @ 76333:4dce3afc392c

Issue #13959: Simplify imp.reload() by relying on a module's __loader__. Since import now sets __loader__ on all modules it creates and imp.reload() already relied on the attribute for modules that import didn't create, the only potential compatibility issue is if people were deleting the attribute on modules and expecting imp.reload() to continue to work.

author	Brett Cannon <brett@python.org>
date	Sun, 15 Apr 2012 17:56:09 -0400
parents	72556ff86828
children	22844ddce57b

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().
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	144 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	145
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	146 struct compiler {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	147 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	148 PyObject *c_filename_obj;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	149 struct symtable *c_st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	150 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	151 PyCompilerFlags *c_flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	152
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	153 int c_optimize; /* optimization level */
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	154 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	155 int c_nestlevel;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	156
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	157 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	158 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	159 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	160 };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	161
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	162 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	163 static void compiler_free(struct compiler *);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	164 static basicblock compiler_new_block(struct compiler );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	165 static int compiler_next_instr(struct compiler , basicblock );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	166 static int compiler_addop(struct compiler *, int);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	167 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	168 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	169 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	170 static basicblock compiler_use_new_block(struct compiler );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	171 static int compiler_error(struct compiler , const char );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	172 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	173
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	174 static PyCodeObject compiler_mod(struct compiler , mod_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	175 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	176 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	177 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	178 static int compiler_augassign(struct compiler *, stmt_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	179 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	180 expr_context_ty);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	181
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	182 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	183 basicblock *);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	184 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	185 basicblock *);
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	186 /* 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	187 static int compiler_in_loop(struct compiler *);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	188
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	189 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	190 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	191
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	192 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	193 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	194 asdl_seq *args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	195 asdl_seq *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	196 expr_ty starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	197 expr_ty kwargs);
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	198 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	199
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	200 static PyCodeObject assemble(struct compiler , int addNone);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	201 static PyObject *__doc__;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	202
53816 911df82bc25d add a replacement API for PyCObject, PyCapsule #5630 Benjamin Peterson <benjamin@python.org> parents: 51959 diff changeset	203 #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	204
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	205 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	206 _Py_Mangle(PyObject privateobj, PyObject ident)
33100 356887410bde Fix bug Michael W. Hudson <mwh@python.net> parents: 32977 diff changeset	207 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	208 /* Name mangling: __private becomes _classname__private.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	209 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	210 PyObject *result;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	211 size_t nlen, plen, ipriv;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	212 Py_UCS4 maxchar;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	213 if (privateobj == NULL \|\| !PyUnicode_Check(privateobj) \|\|
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	214 PyUnicode_READ_CHAR(ident, 0) != '_' \|\|
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	215 PyUnicode_READ_CHAR(ident, 1) != '_') {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	216 Py_INCREF(ident);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	217 return ident;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	218 }
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	219 nlen = PyUnicode_GET_LENGTH(ident);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	220 plen = PyUnicode_GET_LENGTH(privateobj);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	221 /* 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	222
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	223 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	224 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	225 package name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	226
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	227 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	228 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	229 */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	230 if ((PyUnicode_READ_CHAR(ident, nlen-1) == '_' &&
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	231 PyUnicode_READ_CHAR(ident, nlen-2) == '_') \|\|
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	232 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	233 Py_INCREF(ident);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	234 return ident; /* Don't mangle __whatever__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	235 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	236 /* Strip leading underscores from class name */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	237 ipriv = 0;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	238 while (PyUnicode_READ_CHAR(privateobj, ipriv) == '_')
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	239 ipriv++;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	240 if (ipriv == plen) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	241 Py_INCREF(ident);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	242 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	243 }
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	244 plen -= ipriv;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	245
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	246 assert(1 <= PY_SSIZE_T_MAX - nlen);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	247 assert(1 + nlen <= PY_SSIZE_T_MAX - plen);
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 maxchar = PyUnicode_MAX_CHAR_VALUE(ident);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	250 if (PyUnicode_MAX_CHAR_VALUE(privateobj) > maxchar)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	251 maxchar = PyUnicode_MAX_CHAR_VALUE(privateobj);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	252
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	253 result = PyUnicode_New(1 + nlen + plen, maxchar);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	254 if (!result)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	255 return 0;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	256 /* 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	257 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	258 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	259 Py_DECREF(result);
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	260 return NULL;
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	261 }
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	262 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	263 Py_DECREF(result);
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	264 return NULL;
c4dcb68e0711 Check for PyUnicode_CopyCharacters() failure Victor Stinner <victor.stinner@haypocalc.com> parents: 72475 diff changeset	265 }
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	266 return result;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	267 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	268
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	269 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	270 compiler_init(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	271 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	272 memset(c, 0, sizeof(struct compiler));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	273
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	274 c->c_stack = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	275 if (!c->c_stack)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	276 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	277
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	278 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	279 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	280
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	281 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	282 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	283 int optimize, PyArena *arena)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	284 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	285 struct compiler c;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	286 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	287 PyCompilerFlags local_flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	288 int merged;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	289
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	290 if (!__doc__) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	291 __doc__ = PyUnicode_InternFromString("__doc__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	292 if (!__doc__)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	293 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	294 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	295
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	296 if (!compiler_init(&c))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	297 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	298 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	299 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	300 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	301 goto finally;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	302 c.c_arena = arena;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	303 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	304 if (c.c_future == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	305 goto finally;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	306 if (!flags) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	307 local_flags.cf_flags = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	308 flags = &local_flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	309 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	310 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	311 c.c_future->ff_features = merged;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	312 flags->cf_flags = merged;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	313 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	314 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	315 c.c_nestlevel = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	316
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	317 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	318 if (c.c_st == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	319 if (!PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	320 PyErr_SetString(PyExc_SystemError, "no symtable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	321 goto finally;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	322 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	323
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	324 co = compiler_mod(&c, mod);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	325
36697 78de5f6b2f67 Clarify C-style exception handling with proper label name. Thomas Wouters <thomas@python.org> parents: 36696 diff changeset	326 finally:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	327 compiler_free(&c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	328 assert(co \|\| PyErr_Occurred());
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	329 return co;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	330 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	331
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	332 PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	333 PyNode_Compile(struct _node n, const char filename)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	334 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	335 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	336 mod_ty mod;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	337 PyArena *arena = PyArena_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	338 if (!arena)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	339 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	340 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	341 if (mod)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	342 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	343 PyArena_Free(arena);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	344 return co;
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23589 diff changeset	345 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23589 diff changeset	346
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	347 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	348 compiler_free(struct compiler *c)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	349 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	350 if (c->c_st)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	351 PySymtable_Free(c->c_st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	352 if (c->c_future)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	353 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	354 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	355 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	356 Py_DECREF(c->c_stack);
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	357 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	358
5373 5880384d7c71 Quickly renamed the remaining files -- this directory is done. Guido van Rossum <guido@python.org> parents: 5287 diff changeset	359 static PyObject *
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	360 list2dict(PyObject *list)
1399 cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	361 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	362 Py_ssize_t i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	363 PyObject v, k;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	364 PyObject *dict = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	365 if (!dict) return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	366
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	367 n = PyList_Size(list);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	368 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	369 v = PyLong_FromLong(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	370 if (!v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	371 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	372 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	373 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	374 k = PyList_GET_ITEM(list, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	375 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	376 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	377 Py_XDECREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	378 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	379 Py_DECREF(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	380 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	381 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	382 Py_DECREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	383 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	384 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	385 return dict;
1399 cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	386 }
cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	387
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	388 /* 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	389
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	390 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	391 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	392 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	393 each key.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	394 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	395
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	396 static PyObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	397 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	398 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	399 Py_ssize_t pos = 0, i = offset, scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	400 PyObject k, v, *dest = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	401
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	402 assert(offset >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	403 if (dest == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	404 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	405
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	406 while (PyDict_Next(src, &pos, &k, &v)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	407 /* 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	408 long vi;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	409 assert(PyLong_Check(v));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	410 vi = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	411 scope = (vi >> SCOPE_OFFSET) & SCOPE_MASK;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	412
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	413 if (scope == scope_type \|\| vi & flag) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	414 PyObject tuple, item = PyLong_FromLong(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	415 if (item == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	416 Py_DECREF(dest);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	417 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	418 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	419 i++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	420 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	421 if (!tuple \|\| PyDict_SetItem(dest, tuple, item) < 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	422 Py_DECREF(item);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	423 Py_DECREF(dest);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	424 Py_XDECREF(tuple);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	425 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	426 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	427 Py_DECREF(item);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	428 Py_DECREF(tuple);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	429 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	430 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	431 return dest;
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	432 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	433
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	434 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	435 compiler_unit_check(struct compiler_unit *u)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	436 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	437 basicblock *block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	438 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	439 assert((void )block != (void )0xcbcbcbcb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	440 assert((void )block != (void )0xfbfbfbfb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	441 assert((void )block != (void )0xdbdbdbdb);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	442 if (block->b_instr != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	443 assert(block->b_ialloc > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	444 assert(block->b_iused > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	445 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	446 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	447 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	448 assert (block->b_iused == 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	449 assert (block->b_ialloc == 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	450 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	451 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	452 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	453
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	454 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	455 compiler_unit_free(struct compiler_unit *u)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	456 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	457 basicblock b, next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	458
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	459 compiler_unit_check(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	460 b = u->u_blocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	461 while (b != NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	462 if (b->b_instr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	463 PyObject_Free((void *)b->b_instr);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	464 next = b->b_list;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	465 PyObject_Free((void *)b);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	466 b = next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	467 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	468 Py_CLEAR(u->u_ste);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	469 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	470 Py_CLEAR(u->u_qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	471 Py_CLEAR(u->u_consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	472 Py_CLEAR(u->u_names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	473 Py_CLEAR(u->u_varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	474 Py_CLEAR(u->u_freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	475 Py_CLEAR(u->u_cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	476 Py_CLEAR(u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	477 PyObject_Free(u);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	478 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	479
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	480 static int
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	481 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	482 int scope_type, void *key, int lineno)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	483 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	484 struct compiler_unit *u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	485
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	486 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	487 struct compiler_unit));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	488 if (!u) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	489 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	490 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	491 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	492 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	493 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	494 u->u_argcount = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	495 u->u_kwonlyargcount = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	496 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	497 if (!u->u_ste) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	498 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	499 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	500 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	501 Py_INCREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	502 u->u_name = name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	503 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	504 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	505 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	506 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	507 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	508 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	509
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	510 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	511 PyDict_Size(u->u_cellvars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	512 if (!u->u_freevars) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	513 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	514 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	515 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	516
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	517 u->u_blocks = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	518 u->u_nfblocks = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	519 u->u_firstlineno = lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	520 u->u_lineno = 0;
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	521 u->u_col_offset = 0;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	522 u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	523 u->u_consts = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	524 if (!u->u_consts) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	525 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	526 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	527 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	528 u->u_names = PyDict_New();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	529 if (!u->u_names) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	530 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	531 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	532 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	533
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	534 u->u_private = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	535
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	536 /* 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	537 if (c->u) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	538 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	539 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	540 Py_XDECREF(capsule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	541 compiler_unit_free(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	542 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	543 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	544 Py_DECREF(capsule);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	545 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	546 Py_XINCREF(u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	547 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	548 c->u = u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	549
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	550 c->c_nestlevel++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	551 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	552 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	553
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	554 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	555 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	556
35797 3778083fe2c8 Ensure that compiler_exit_scope() is called as necessary to free memory Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35790 diff changeset	557 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	558 compiler_exit_scope(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	559 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	560 int n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	561 PyObject *capsule;
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 c->c_nestlevel--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	564 compiler_unit_free(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	565 /* 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	566 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	567 if (n >= 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	568 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	569 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	570 assert(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	571 /* 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	572 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	573 Py_FatalError("compiler_exit_scope()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	574 compiler_unit_check(c->u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	575 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	576 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	577 c->u = NULL;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	578
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	579 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	580
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	581 static PyObject *
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	582 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	583 {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	584 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	585 _Py_static_string(dot, ".");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	586 _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	587 struct compiler_unit *u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	588 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	589
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	590 u = c->u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	591 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	592 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	593 return u->u_qualname;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	594 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	595
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	596 seq = PyList_New(0);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	597 if (seq == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	598 return NULL;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	599
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	600 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	601 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	602 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	603 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	604 assert(u);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	605 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	606 continue;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	607 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	608 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	609 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	610 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	611 if (locals_str == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	612 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	613 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	614 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	615 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	616 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	617 u = c->u;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	618 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	619 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	620 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	621 if (dot_str == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	622 goto _error;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	623 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	624 Py_DECREF(seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	625 u->u_qualname = name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	626 Py_XINCREF(name);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	627 return name;
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 _error:
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	630 Py_XDECREF(seq);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	631 return NULL;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	632 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	633
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	634 /* 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	635 Returns NULL on error.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	636 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	637
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	638 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	639 compiler_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	640 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	641 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	642 struct compiler_unit *u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	643
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	644 u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	645 b = (basicblock *)PyObject_Malloc(sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	646 if (b == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	647 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	648 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	649 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	650 memset((void *)b, 0, sizeof(basicblock));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	651 /* 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	652 b->b_list = u->u_blocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	653 u->u_blocks = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	654 return b;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	655 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	656
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	657 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	658 compiler_use_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	659 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	660 basicblock *block = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	661 if (block == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	662 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	663 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	664 return block;
35742 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_next_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 *block = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	671 if (block == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	672 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	673 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	674 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	675 return block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	676 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	677
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	678 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	679 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	680 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	681 assert(block != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	682 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	683 c->u->u_curblock = block;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	684 return block;
35742 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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	687 /* 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	688 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	689 Returns -1 on failure.
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	690 */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	691
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	692 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	693 compiler_next_instr(struct compiler c, basicblock b)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	694 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	695 assert(b != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	696 if (b->b_instr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	697 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	698 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	699 if (b->b_instr == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	700 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	701 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	702 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	703 b->b_ialloc = DEFAULT_BLOCK_SIZE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	704 memset((char *)b->b_instr, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	705 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	706 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	707 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	708 struct instr *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	709 size_t oldsize, newsize;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	710 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	711 newsize = oldsize << 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	712
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	713 if (oldsize > (PY_SIZE_MAX >> 1)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	714 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	715 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	716 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	717
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	718 if (newsize == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	719 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	720 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	721 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	722 b->b_ialloc <<= 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	723 tmp = (struct instr *)PyObject_Realloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	724 (void *)b->b_instr, newsize);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	725 if (tmp == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	726 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	727 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	728 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	729 b->b_instr = tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	730 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	731 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	732 return b->b_iused++;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	733 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	734
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	735 /* 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	736 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	737 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	738
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	739 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	740 - 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	741 - 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	742 - 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	743 - 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	744 - 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	745 */
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	746
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	747 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	748 compiler_set_lineno(struct compiler *c, int off)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	749 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	750 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	751 if (c->u->u_lineno_set)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	752 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	753 c->u->u_lineno_set = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	754 b = c->u->u_curblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	755 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	756 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	757
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	758 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	759 opcode_stack_effect(int opcode, int oparg)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	760 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	761 switch (opcode) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	762 case POP_TOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	763 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	764 case ROT_TWO:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	765 case ROT_THREE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	766 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	767 case DUP_TOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	768 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	769 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	770 return 2;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	771
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	772 case UNARY_POSITIVE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	773 case UNARY_NEGATIVE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	774 case UNARY_NOT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	775 case UNARY_INVERT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	776 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	777
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	778 case SET_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	779 case LIST_APPEND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	780 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	781 case MAP_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	782 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	783
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	784 case BINARY_POWER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	785 case BINARY_MULTIPLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	786 case BINARY_MODULO:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	787 case BINARY_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	788 case BINARY_SUBTRACT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	789 case BINARY_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	790 case BINARY_FLOOR_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	791 case BINARY_TRUE_DIVIDE:
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 INPLACE_FLOOR_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	794 case INPLACE_TRUE_DIVIDE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	795 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	796
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	797 case INPLACE_ADD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	798 case INPLACE_SUBTRACT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	799 case INPLACE_MULTIPLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	800 case INPLACE_MODULO:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	801 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	802 case STORE_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	803 return -3;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	804 case STORE_MAP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	805 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	806 case DELETE_SUBSCR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	807 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	808
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	809 case BINARY_LSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	810 case BINARY_RSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	811 case BINARY_AND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	812 case BINARY_XOR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	813 case BINARY_OR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	814 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	815 case INPLACE_POWER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	816 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	817 case GET_ITER:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	818 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	819
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	820 case PRINT_EXPR:
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 LOAD_BUILD_CLASS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	823 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	824 case INPLACE_LSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	825 case INPLACE_RSHIFT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	826 case INPLACE_AND:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	827 case INPLACE_XOR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	828 case INPLACE_OR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	829 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	830 case BREAK_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	831 return 0;
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	832 case SETUP_WITH:
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	833 return 7;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	834 case WITH_CLEANUP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	835 return -1; /* XXX Sometimes more */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	836 case STORE_LOCALS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	837 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	838 case RETURN_VALUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	839 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	840 case IMPORT_STAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	841 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	842 case YIELD_VALUE:
75714 72556ff86828 perform yield from delegation by repeating YIELD_FROM opcode (closes #14230) Benjamin Peterson <benjamin@python.org> parents: 74391 diff changeset	843 return 0;
74356 d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682) Nick Coghlan <ncoghlan@gmail.com> parents: 73738 diff changeset	844 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	845 return -1;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	846 case POP_BLOCK:
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 case POP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	849 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	850 case END_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	851 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	852
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	853 case STORE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	854 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	855 case DELETE_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	856 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	857 case UNPACK_SEQUENCE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	858 return oparg-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	859 case UNPACK_EX:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	860 return (oparg&0xFF) + (oparg>>8);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	861 case FOR_ITER:
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	862 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	863
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	864 case STORE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	865 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	866 case DELETE_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	867 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	868 case STORE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	869 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	870 case DELETE_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	871 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	872 case LOAD_CONST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	873 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	874 case LOAD_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	875 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	876 case BUILD_TUPLE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	877 case BUILD_LIST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	878 case BUILD_SET:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	879 return 1-oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	880 case BUILD_MAP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	881 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	882 case LOAD_ATTR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	883 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	884 case COMPARE_OP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	885 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	886 case IMPORT_NAME:
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	887 return -1;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	888 case IMPORT_FROM:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	889 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	890
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	891 case JUMP_FORWARD:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	892 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	893 case JUMP_IF_FALSE_OR_POP: /* "" */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	894 case JUMP_ABSOLUTE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	895 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	896
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	897 case POP_JUMP_IF_FALSE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	898 case POP_JUMP_IF_TRUE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	899 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	900
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	901 case LOAD_GLOBAL:
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
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	904 case CONTINUE_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	905 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	906 case SETUP_LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	907 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	908 case SETUP_EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	909 case SETUP_FINALLY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	910 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	911 + 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	912
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	913 case LOAD_FAST:
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 STORE_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	916 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	917 case DELETE_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	918 return 0;
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 RAISE_VARARGS:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	921 return -oparg;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	922 #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	923 case CALL_FUNCTION:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	924 return -NARGS(oparg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	925 case CALL_FUNCTION_VAR:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	926 case CALL_FUNCTION_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	927 return -NARGS(oparg)-1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	928 case CALL_FUNCTION_VAR_KW:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	929 return -NARGS(oparg)-2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	930 case MAKE_FUNCTION:
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	931 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	932 case MAKE_CLOSURE:
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	933 return -2 - NARGS(oparg) - ((oparg >> 16) & 0xffff);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	934 #undef NARGS
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	935 case BUILD_SLICE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	936 if (oparg == 3)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	937 return -2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	938 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	939 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	940
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	941 case LOAD_CLOSURE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	942 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	943 case LOAD_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	944 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	945 case STORE_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	946 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	947 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	948 return 0;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	949 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	950 fprintf(stderr, "opcode = %d\n", opcode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	951 Py_FatalError("opcode_stack_effect()");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	952
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	953 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	954 return 0; /* not reachable */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	955 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	956
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	957 /* Add an opcode with no argument.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	958 Returns 0 on failure, 1 on success.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	959 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	960
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	961 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	962 compiler_addop(struct compiler *c, int opcode)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	963 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	964 basicblock *b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	965 struct instr *i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	966 int off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	967 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	968 if (off < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	969 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	970 b = c->u->u_curblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	971 i = &b->b_instr[off];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	972 i->i_opcode = opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	973 i->i_hasarg = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	974 if (opcode == RETURN_VALUE)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	975 b->b_return = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	976 compiler_set_lineno(c, off);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	977 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	978 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	979
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	980 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	981 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	982 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	983 PyObject t, v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	984 Py_ssize_t arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	985 double d;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	986
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	987 /* necessary to make sure types aren't coerced (e.g., int and long) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	988 /* _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	989 if (PyFloat_Check(o)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	990 d = PyFloat_AS_DOUBLE(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	991 /* 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	992 * 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	993 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	994 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	995 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	996 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	997 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	998 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	999 else if (PyComplex_Check(o)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1000 Py_complex z;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1001 int real_negzero, imag_negzero;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1002 /* 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	1003 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	1004 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	1005 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	1006 z = PyComplex_AsCComplex(o);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1007 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	1008 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	1009 if (real_negzero && imag_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1010 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	1011 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	1012 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1013 else if (imag_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1014 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	1015 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1016 else if (real_negzero) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1017 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	1018 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1019 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1020 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	1021 }
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 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1024 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	1025 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1026 if (t == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1027 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1028
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1029 v = PyDict_GetItem(dict, t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1030 if (!v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1031 if (PyErr_Occurred())
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1032 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1033 arg = PyDict_Size(dict);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1034 v = PyLong_FromLong(arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1035 if (!v) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1036 Py_DECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1037 return -1;
42775 d7517c306791 Merged revisions 57221-57391 via svnmerge from Guido van Rossum <guido@python.org> parents: 42193 diff changeset	1038 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1039 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	1040 Py_DECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1041 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1042 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1043 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1044 Py_DECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1045 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1046 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1047 arg = PyLong_AsLong(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1048 Py_DECREF(t);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1049 return arg;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1050 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1051
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1052 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1053 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	1054 PyObject *o)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1055 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1056 int arg = compiler_add_o(c, dict, o);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1057 if (arg < 0)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1058 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1059 return compiler_addop_i(c, opcode, arg);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1060 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1061
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1062 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1063 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	1064 PyObject *o)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1065 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1066 int arg;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1067 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	1068 if (!mangled)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1069 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1070 arg = compiler_add_o(c, dict, mangled);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1071 Py_DECREF(mangled);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1072 if (arg < 0)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1073 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1074 return compiler_addop_i(c, opcode, arg);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1075 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1076
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1077 /* Add an opcode with an integer argument.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1078 Returns 0 on failure, 1 on success.
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_i(struct compiler *c, int opcode, int oparg)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1083 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1084 struct instr *i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1085 int off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1086 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	1087 if (off < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1088 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1089 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	1090 i->i_opcode = opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1091 i->i_oparg = oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1092 i->i_hasarg = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1093 compiler_set_lineno(c, off);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1094 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1095 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1096
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1097 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1098 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	1099 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1100 struct instr *i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1101 int off;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1102
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1103 assert(b != NULL);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1104 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	1105 if (off < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1106 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1107 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	1108 i->i_opcode = opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1109 i->i_target = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1110 i->i_hasarg = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1111 if (absolute)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1112 i->i_jabs = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1113 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1114 i->i_jrel = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1115 compiler_set_lineno(c, off);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1116 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1117 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1118
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1119 /* 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	1120 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	1121 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	1122 from the current block to the new block.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1123 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1124
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	1125 /* 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	1126 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	1127 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1128
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1129
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1130 #define NEW_BLOCK(C) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1131 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	1132 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1133 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1134
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1135 #define NEXT_BLOCK(C) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1136 if (compiler_next_block((C)) == NULL) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1137 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1138 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1139
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1140 #define ADDOP(C, OP) { \
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1141 if (!compiler_addop((C), (OP))) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1142 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1143 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1144
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1145 #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	1146 if (!compiler_addop((C), (OP))) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1147 compiler_exit_scope(c); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1148 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1149 } \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1150 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1151
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1152 #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	1153 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	1154 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1155 }
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 #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	1158 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	1159 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1160 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1161
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1162 #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	1163 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	1164 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1165 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1166
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1167 #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	1168 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	1169 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1170 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1171
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1172 #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	1173 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	1174 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1175 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1176
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1177 /* 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	1178 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	1179 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1180
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1181 #define VISIT(C, TYPE, V) {\
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1182 if (!compiler_visit_ ## TYPE((C), (V))) \
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
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1186 #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	1187 if (!compiler_visit_ ## TYPE((C), (V))) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1188 compiler_exit_scope(c); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1189 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1190 } \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1191 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1192
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1193 #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	1194 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	1195 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1196 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1197
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1198 #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	1199 int _i; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1200 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	1201 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	1202 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	1203 if (!compiler_visit_ ## TYPE((C), elt)) \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1204 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1205 } \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1206 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1207
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1208 #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	1209 int _i; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1210 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	1211 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	1212 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	1213 if (!compiler_visit_ ## TYPE((C), elt)) { \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1214 compiler_exit_scope(c); \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1215 return 0; \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1216 } \
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1217 } \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1218 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1219
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1220 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1221 compiler_isdocstring(stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1222 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1223 if (s->kind != Expr_kind)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1224 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1225 return s->v.Expr.value->kind == Str_kind;
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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1228 /* 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	1229
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1230 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1231 compiler_body(struct compiler c, asdl_seq stmts)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1232 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1233 int i = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1234 stmt_ty st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1235
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1236 if (!asdl_seq_LEN(stmts))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1237 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1238 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	1239 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	1240 /* don't generate docstrings if -OO */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1241 i = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1242 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	1243 if (!compiler_nameop(c, __doc__, Store))
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 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	1247 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	1248 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1249 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1250
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1251 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1252 compiler_mod(struct compiler *c, mod_ty mod)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1253 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1254 PyCodeObject *co;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1255 int addNone = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1256 static PyObject *module;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1257 if (!module) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1258 module = PyUnicode_InternFromString("<module>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1259 if (!module)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1260 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1261 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1262 /* 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	1263 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	1264 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1265 switch (mod->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1266 case Module_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1267 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	1268 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1269 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1270 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1271 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1272 case Interactive_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1273 c->c_interactive = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1274 VISIT_SEQ_IN_SCOPE(c, stmt,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1275 mod->v.Interactive.body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1276 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1277 case Expression_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1278 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	1279 addNone = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1280 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1281 case Suite_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1282 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1283 "suite should not be possible");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1284 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1285 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1286 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1287 "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	1288 mod->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1289 return 0;
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 co = assemble(c, addNone);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1292 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1293 return co;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1294 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1295
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1296 /* 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	1297 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	1298 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	1299 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1300
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1301 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1302 get_ref_type(struct compiler c, PyObject name)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1303 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1304 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	1305 if (scope == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1306 char buf[350];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1307 PyOS_snprintf(buf, sizeof(buf),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1308 "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	1309 "symbols: %s\nlocals: %s\nglobals: %s",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1310 PyBytes_AS_STRING(name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1311 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	1312 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	1313 c->c_filename,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1314 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	1315 PyObject_REPR(c->u->u_varnames),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1316 PyObject_REPR(c->u->u_names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1317 );
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1318 Py_FatalError(buf);
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
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1321 return scope;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1322 }
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 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1325 compiler_lookup_arg(PyObject dict, PyObject name)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1326 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1327 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	1328 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	1329 if (k == NULL)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1330 return -1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1331 v = PyDict_GetItem(dict, k);
35939 79374eb6db51 Fix a few more ref leaks. Backport candidate Neal Norwitz <nnorwitz@gmail.com> parents: 35895 diff changeset	1332 Py_DECREF(k);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1333 if (v == NULL)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	1334 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	1335 return PyLong_AS_LONG(v);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1336 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1337
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1338 static int
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1339 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	1340 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1341 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	1342 if (qualname == NULL)
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1343 qualname = co->co_name;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1344
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1345 if (free == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1346 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	1347 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	1348 ADDOP_I(c, MAKE_FUNCTION, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1349 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1350 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1351 for (i = 0; i < free; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1352 /* 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	1353 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	1354 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1355 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	1356 int arg, reftype;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1357
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1358 /* 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	1359 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	1360 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	1361 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	1362 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	1363 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1364 reftype = get_ref_type(c, name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1365 if (reftype == CELL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1366 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	1367 else /* (reftype == FREE) */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1368 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	1369 if (arg == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1370 fprintf(stderr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1371 "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	1372 "freevars of %s: %s\n",
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1373 PyObject_REPR(name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1374 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	1375 reftype, arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1376 _PyUnicode_AsString(co->co_name),
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1377 PyObject_REPR(co->co_freevars));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1378 Py_FatalError("compiler_make_closure()");
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 ADDOP_I(c, LOAD_CLOSURE, arg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1381 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1382 ADDOP_I(c, BUILD_TUPLE, free);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1383 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	1384 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	1385 ADDOP_I(c, MAKE_CLOSURE, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1386 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1387 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1388
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1389 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1390 compiler_decorators(struct compiler c, asdl_seq decos)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1391 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1392 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1393
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1394 if (!decos)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1395 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1396
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1397 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	1398 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	1399 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1400 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1401 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1402
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1403 static int
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1404 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	1405 asdl_seq *kw_defaults)
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1406 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1407 int i, default_count = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1408 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	1409 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	1410 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	1411 if (default_) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1412 ADDOP_O(c, LOAD_CONST, arg->arg, consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1413 if (!compiler_visit_expr(c, default_)) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1414 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1415 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1416 default_count++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1417 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1418 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1419 return default_count;
40215 1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1420 }
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1421
1cce0526d9b0 Jiwon Seo's PEP 3102 implementation. Guido van Rossum <guido@python.org> parents: 39783 diff changeset	1422 static int
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1423 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	1424 expr_ty annotation, PyObject *names)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1425 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1426 if (annotation) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1427 VISIT(c, expr, annotation);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1428 if (PyList_Append(names, id))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1429 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1430 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1431 return 0;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1432 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1433
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1434 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1435 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	1436 PyObject *names)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1437 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1438 int i, error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1439 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	1440 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	1441 error = compiler_visit_argannotation(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1442 c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1443 arg->arg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1444 arg->annotation,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1445 names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1446 if (error)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1447 return error;
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 return 0;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1450 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1451
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1452 static int
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1453 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	1454 expr_ty returns)
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1455 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1456 /* 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	1457 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	1458 source code.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1459
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1460 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	1461 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1462 static identifier return_str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1463 PyObject *names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1464 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1465 names = PyList_New(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1466 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1467 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1468
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1469 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	1470 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1471 if (args->varargannotation &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1472 compiler_visit_argannotation(c, args->vararg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1473 args->varargannotation, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1474 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1475 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	1476 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1477 if (args->kwargannotation &&
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1478 compiler_visit_argannotation(c, args->kwarg,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1479 args->kwargannotation, names))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1480 goto 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 if (!return_str) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1483 return_str = PyUnicode_InternFromString("return");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1484 if (!return_str)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1485 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1486 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1487 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	1488 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1489 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1490
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1491 len = PyList_GET_SIZE(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1492 if (len > 65534) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1493 /* 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	1494 PyErr_SetString(PyExc_SyntaxError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1495 "too many annotations");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1496 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1497 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1498 if (len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1499 /* 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	1500 PyObject *elt;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1501 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1502 PyObject *s = PyTuple_New(len);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1503 if (!s)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1504 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1505 for (i = 0; i < len; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1506 elt = PyList_GET_ITEM(names, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1507 Py_INCREF(elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1508 PyTuple_SET_ITEM(s, i, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1509 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1510 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	1511 Py_DECREF(s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1512 len++; /* include the just-pushed tuple */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1513 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1514 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1515 return len;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1516
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1517 error:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1518 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1519 return -1;
40529 54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1520 }
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1521
54cd47788811 PEP 3107 - Function Annotations thanks to Tony Lownds Neal Norwitz <nnorwitz@gmail.com> parents: 40450 diff changeset	1522 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1523 compiler_function(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1524 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1525 PyCodeObject *co;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1526 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	1527 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	1528 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	1529 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	1530 stmt_ty st;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1531 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	1532 int num_annotations;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1533
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1534 assert(s->kind == FunctionDef_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1535
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1536 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1537 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1538 if (args->kwonlyargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1539 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	1540 args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1541 if (res < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1542 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1543 kw_default_count = res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1544 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1545 if (args->defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1546 VISIT_SEQ(c, expr, args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1547 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	1548 if (num_annotations < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1549 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1550 assert((num_annotations & 0xFFFF) == num_annotations);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1551
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1552 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	1553 COMPILER_SCOPE_FUNCTION, (void *)s,
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1554 s->lineno))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1555 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1556
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1557 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	1558 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	1559 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	1560 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	1561 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	1562 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1563 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1564 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1565
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1566 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	1567 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	1568 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	1569 /* 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	1570 for (i = docstring; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1571 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	1572 VISIT_IN_SCOPE(c, stmt, st);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1573 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1574 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	1575 qualname = compiler_scope_qualname(c);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1576 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	1577 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	1578 Py_XDECREF(qualname);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1579 Py_XDECREF(co);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1580 return 0;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1581 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1582
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1583 arglength = asdl_seq_LEN(args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1584 arglength \|= kw_default_count << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1585 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	1586 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	1587 Py_DECREF(qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1588 Py_DECREF(co);
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 /* decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1591 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	1592 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1593 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1594
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1595 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	1596 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1597
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1598 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1599 compiler_class(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1600 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1601 PyCodeObject *co;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1602 PyObject *str;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1603 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1604 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	1605
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1606 if (!compiler_decorators(c, decos))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1607 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1608
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1609 /* ultimately generate code for:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1610 <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	1611 where:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1612 <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	1613 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	1614 (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	1615 <name> is the class name
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1616 <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	1617 <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	1618 This borrows from compiler_call.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1619 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1620
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1621 /* 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	1622 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	1623 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	1624 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1625 /* 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	1626 {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1627 /* 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	1628 Py_INCREF(s->v.ClassDef.name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1629 Py_XDECREF(c->u->u_private);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1630 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	1631 /* 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	1632 c->u->u_argcount = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1633 /* load the first argument (__locals__) ... */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1634 ADDOP_I(c, LOAD_FAST, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1635 /* ... and store it into f_locals */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1636 ADDOP_IN_SCOPE(c, STORE_LOCALS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1637 /* load (global) __name__ ... */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1638 str = PyUnicode_InternFromString("__name__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1639 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	1640 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1641 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1642 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1643 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1644 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1645 /* ... and store it as __module__ */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1646 str = PyUnicode_InternFromString("__module__");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1647 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	1648 Py_XDECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1649 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1650 return 0;
41824 24b60622b944 Merged revisions 55407-55513 via svnmerge from Guido van Rossum <guido@python.org> parents: 41717 diff changeset	1651 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1652 Py_DECREF(str);
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1653 /* store the __qualname__ */
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1654 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	1655 if (!str) {
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1656 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1657 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1658 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1659 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	1660 Py_DECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1661 str = PyUnicode_InternFromString("__qualname__");
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1662 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	1663 Py_XDECREF(str);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1664 compiler_exit_scope(c);
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1665 return 0;
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1666 }
e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1667 Py_DECREF(str);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1668 /* compile the body proper */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1669 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	1670 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1671 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1672 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1673 /* return the (empty) __class__ cell */
70889 2d62ee4e7d98 use a invalid name for the __class__ closure for super() (closes #12370) Benjamin Peterson <benjamin@python.org> parents: 70499 diff changeset	1674 str = PyUnicode_InternFromString("@__class__");
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1675 if (str == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1676 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1677 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1678 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1679 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	1680 Py_DECREF(str);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1681 if (i == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1682 /* 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	1683 PyErr_Clear();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1684 /* Return None */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1685 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	1686 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1687 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1688 /* 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	1689 ADDOP_I(c, LOAD_CLOSURE, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1690 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1691 ADDOP_IN_SCOPE(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1692 /* create the code object */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1693 co = assemble(c, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1694 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1695 /* leave the new scope */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1696 compiler_exit_scope(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1697 if (co == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1698 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1699
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1700 /* 2. load the 'build_class' function */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1701 ADDOP(c, LOAD_BUILD_CLASS);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1702
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1703 /* 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	1704 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	1705 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1706
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1707 /* 4. load class name */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1708 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	1709
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1710 /* 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	1711 if (!compiler_call_helper(c, 2,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1712 s->v.ClassDef.bases,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1713 s->v.ClassDef.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1714 s->v.ClassDef.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1715 s->v.ClassDef.kwargs))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1716 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1717
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1718 /* 6. apply decorators */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1719 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	1720 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1721 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1722
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1723 /* 7. store into <name> */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1724 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	1725 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1726 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1727 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1728
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1729 static int
36666 6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1730 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	1731 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1732 basicblock end, next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1733
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1734 assert(e->kind == IfExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1735 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1736 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1737 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1738 next = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1739 if (next == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1740 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1741 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	1742 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	1743 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	1744 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1745 compiler_use_next_block(c, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1746 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	1747 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1748 return 1;
36666 6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1749 }
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1750
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1751 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1752 compiler_lambda(struct compiler *c, expr_ty e)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1753 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1754 PyCodeObject *co;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	1755 PyObject *qualname;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1756 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1757 int kw_default_count = 0, arglength;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1758 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	1759 assert(e->kind == Lambda_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1760
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1761 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1762 name = PyUnicode_InternFromString("<lambda>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1763 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1764 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1765 }
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 if (args->kwonlyargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1768 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	1769 args->kw_defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1770 if (res < 0) return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1771 kw_default_count = res;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1772 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1773 if (args->defaults)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1774 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	1775 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	1776 (void *)e, e->lineno))
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1777 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1778
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	1779 /* 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	1780 docstring. */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	1781 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	1782 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	1783
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1784 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	1785 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	1786 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	1787 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	1788 ADDOP_IN_SCOPE(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1789 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1790 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1791 ADDOP_IN_SCOPE(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1792 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1793 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	1794 qualname = compiler_scope_qualname(c);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1795 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	1796 if (qualname == NULL \|\| co == NULL)
61467 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 arglength = asdl_seq_LEN(args->defaults);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1800 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	1801 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	1802 Py_DECREF(qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1803 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1804
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1805 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1806 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1807
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1808 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1809 compiler_if(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1810 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1811 basicblock end, next;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1812 int constant;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1813 assert(s->kind == If_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1814 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1815 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1816 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1817
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	1818 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	1819 /* constant = 0: "if 0"
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1820 * constant = 1: "if 1", "if 2", ...
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1821 * constant = -1: rest */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1822 if (constant == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1823 if (s->v.If.orelse)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1824 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	1825 } else if (constant == 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1826 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	1827 } else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1828 if (s->v.If.orelse) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1829 next = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1830 if (next == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1831 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1832 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1833 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1834 next = end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1835 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	1836 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	1837 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	1838 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1839 if (s->v.If.orelse) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1840 compiler_use_next_block(c, next);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1841 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	1842 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1843 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1844 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1845 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1846 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1847
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1848 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1849 compiler_for(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1850 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1851 basicblock start, cleanup, *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1852
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1853 start = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1854 cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1855 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1856 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	1857 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1858 ADDOP_JREL(c, SETUP_LOOP, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1859 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	1860 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1861 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	1862 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1863 compiler_use_next_block(c, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1864 ADDOP_JREL(c, FOR_ITER, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1865 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	1866 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	1867 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1868 compiler_use_next_block(c, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1869 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1870 compiler_pop_fblock(c, LOOP, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1871 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	1872 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1873 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1874 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1875
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1876 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1877 compiler_while(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1878 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1879 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	1880 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	1881
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1882 if (constant == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1883 if (s->v.While.orelse)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1884 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	1885 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1886 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1887 loop = 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 (constant == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1890 anchor = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1891 if (anchor == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1892 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1893 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1894 if (loop == NULL \|\| end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1895 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1896 if (s->v.While.orelse) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1897 orelse = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1898 if (orelse == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1899 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1900 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1901 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1902 orelse = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1903
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1904 ADDOP_JREL(c, SETUP_LOOP, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1905 compiler_use_next_block(c, loop);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1906 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	1907 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1908 if (constant == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1909 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	1910 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	1911 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1912 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	1913 ADDOP_JABS(c, JUMP_ABSOLUTE, loop);
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 /* 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	1916 if there is no else clause ?
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1917 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1918
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1919 if (constant == -1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1920 compiler_use_next_block(c, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1921 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1922 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1923 compiler_pop_fblock(c, LOOP, loop);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1924 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	1925 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	1926 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1927
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1928 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1929 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1930
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1931 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1932 compiler_continue(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1933 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1934 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	1935 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	1936 "'continue' not supported inside 'finally' clause";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1937 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1938
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1939 if (!c->u->u_nfblocks)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1940 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	1941 i = c->u->u_nfblocks - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1942 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	1943 case LOOP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1944 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	1945 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1946 case EXCEPT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1947 case FINALLY_TRY:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1948 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	1949 /* Prevent continue anywhere under a finally
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1950 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	1951 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	1952 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	1953 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1954 if (i == -1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1955 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	1956 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	1957 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1958 case FINALLY_END:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1959 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	1960 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1961
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1962 return 1;
35742 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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1965 /* 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	1966
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1967 SETUP_FINALLY L
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1968 <code for body>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1969 POP_BLOCK
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1970 LOAD_CONST <None>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1971 L: <code for finalbody>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1972 END_FINALLY
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1973
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1974 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	1975 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	1976 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	1977 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	1978
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1979 SETUP_FINALLY:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1980 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	1981 onto the block stack.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1982 POP_BLOCK:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1983 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	1984 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	1985 block stack. (The label is ignored.)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1986 END_FINALLY:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	1987 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	1988 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	1989 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	1990
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1991 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	1992 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	1993 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	1994 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	1995 stack.
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 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1999 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	2000 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2001 basicblock body, end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2002 body = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2003 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2004 if (body == NULL \|\| end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2005 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2006
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2007 ADDOP_JREL(c, SETUP_FINALLY, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2008 compiler_use_next_block(c, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2009 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	2010 return 0;
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2011 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	2012 if (!compiler_try_except(c, s))
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2013 return 0;
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2014 }
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2015 else {
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2016 VISIT_SEQ(c, stmt, s->v.Try.body);
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2017 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2018 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2019 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	2020
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2021 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	2022 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2023 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	2024 return 0;
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2025 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	2026 ADDOP(c, END_FINALLY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2027 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	2028
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2029 return 1;
35742 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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2032 /*
51853 643d8d4fc8eb http://bugs.python.org/issue4715 Jeffrey Yasskin <jyasskin@gmail.com> parents: 51382 diff changeset	2033 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	2034 (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	2035 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	2036 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	2037
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2038 Value stack Label Instruction Argument
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2039 [] SETUP_EXCEPT L1
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2040 [] <code for S>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2041 [] POP_BLOCK
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2042 [] JUMP_FORWARD L0
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2043
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2044 [tb, val, exc] L1: DUP )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2045 [tb, val, exc, exc] <evaluate E1> )
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2046 [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	2047 [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	2048 [tb, val, exc] POP
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2049 [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	2050 [tb] POP
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2051 [] <code for S1>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2052 JUMP_FORWARD L0
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 [tb, val, exc] L2: DUP
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2055 .............................etc.......................
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2056
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2057 [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	2058
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2059 [] L0: <next statement>
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2060
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2061 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	2062 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2063 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2064 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	2065 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2066 basicblock body, orelse, except, end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2067 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2068
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2069 body = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2070 except = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2071 orelse = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2072 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2073 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	2074 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2075 ADDOP_JREL(c, SETUP_EXCEPT, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2076 compiler_use_next_block(c, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2077 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	2078 return 0;
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2079 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	2080 ADDOP(c, POP_BLOCK);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2081 compiler_pop_fblock(c, EXCEPT, body);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2082 ADDOP_JREL(c, JUMP_FORWARD, orelse);
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2083 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	2084 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2085 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2086 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	2087 s->v.Try.handlers, i);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2088 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	2089 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	2090 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2091 c->u->u_lineno = handler->lineno;
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	2092 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	2093 except = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2094 if (except == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2095 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2096 if (handler->v.ExceptHandler.type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2097 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2098 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	2099 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	2100 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	2101 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2102 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2103 if (handler->v.ExceptHandler.name) {
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2104 basicblock cleanup_end, cleanup_body;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2105
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2106 cleanup_end = compiler_new_block(c);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2107 cleanup_body = compiler_new_block(c);
70443 95117a2da450 fix spacing Benjamin Peterson <benjamin@python.org> parents: 70440 diff changeset	2108 if (!(cleanup_end \|\| cleanup_body))
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2109 return 0;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2110
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2111 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2112 ADDOP(c, POP_TOP);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2113
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2114 /*
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2115 try:
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2116 # body
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2117 except type as name:
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2118 try:
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2119 # body
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2120 finally:
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2121 name = None
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2122 del name
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2123 */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2124
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2125 /* second try: */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2126 ADDOP_JREL(c, SETUP_FINALLY, cleanup_end);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2127 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2128 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2129 return 0;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2130
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2131 /* second # body */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2132 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2133 ADDOP(c, POP_BLOCK);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2134 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2135 compiler_pop_fblock(c, FINALLY_TRY, cleanup_body);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2136
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2137 /* finally: */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2138 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2139 compiler_use_next_block(c, cleanup_end);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2140 if (!compiler_push_fblock(c, FINALLY_END, cleanup_end))
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2141 return 0;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2142
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2143 /* name = None */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2144 ADDOP_O(c, LOAD_CONST, Py_None, consts);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2145 compiler_nameop(c, handler->v.ExceptHandler.name, Store);
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 /* del name */
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2148 compiler_nameop(c, handler->v.ExceptHandler.name, Del);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2149
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2150 ADDOP(c, END_FINALLY);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2151 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	2152 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2153 else {
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2154 basicblock *cleanup_body;
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2155
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2156 cleanup_body = compiler_new_block(c);
70443 95117a2da450 fix spacing Benjamin Peterson <benjamin@python.org> parents: 70440 diff changeset	2157 if (!cleanup_body)
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2158 return 0;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2159
40587 6b18a095c2e7 SF patch 1631942 by Collin Winter: Guido van Rossum <guido@python.org> parents: 40529 diff changeset	2160 ADDOP(c, POP_TOP);
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2161 ADDOP(c, POP_TOP);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2162 compiler_use_next_block(c, cleanup_body);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2163 if (!compiler_push_fblock(c, FINALLY_TRY, cleanup_body))
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2164 return 0;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2165 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
70440 4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2166 ADDOP(c, POP_EXCEPT);
4e472427315e fix indentation Benjamin Peterson <benjamin@python.org> parents: 65536 diff changeset	2167 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	2168 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2169 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2170 compiler_use_next_block(c, except);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2171 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2172 ADDOP(c, END_FINALLY);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2173 compiler_use_next_block(c, orelse);
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2174 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	2175 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2176 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2177 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2178
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2179 static int
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2180 compiler_try(struct compiler *c, stmt_ty s) {
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2181 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	2182 return compiler_try_finally(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2183 else
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2184 return compiler_try_except(c, s);
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2185 }
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2186
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2187
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2188 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2189 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	2190 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2191 /* 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	2192 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	2193
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2194 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	2195 LOAD_ATTR for each name.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2196 */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2197 Py_ssize_t dot = PyUnicode_FindChar(name, '.', 0,
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2198 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2199 if (dot == -2)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2200 return -1;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2201 if (dot != -1) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2202 /* 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	2203 Py_ssize_t pos = dot + 1;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2204 while (dot != -1) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2205 PyObject *attr;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2206 dot = PyUnicode_FindChar(name, '.', pos,
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2207 PyUnicode_GET_LENGTH(name), 1);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2208 if (dot == -2)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2209 return -1;
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2210 attr = PyUnicode_Substring(name, pos,
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2211 (dot != -1) ? dot :
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2212 PyUnicode_GET_LENGTH(name));
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2213 if (!attr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2214 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2215 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	2216 Py_DECREF(attr);
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2217 pos = dot + 1;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2218 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2219 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2220 return compiler_nameop(c, asname, Store);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2221 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2222
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2223 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2224 compiler_import(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2225 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2226 /* 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	2227 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	2228 import a.b.c as d
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2229 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	2230 module names.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2231 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	2232 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2233 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	2234
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2235 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2236 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	2237 int r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2238 PyObject *level;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2239
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2240 level = PyLong_FromLong(0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2241 if (level == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2242 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2243
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2244 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	2245 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2246 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	2247 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	2248
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2249 if (alias->asname) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2250 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	2251 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2252 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2253 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2254 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2255 identifier tmp = alias->name;
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2256 Py_ssize_t dot = PyUnicode_FindChar(
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2257 alias->name, '.', 0, PyUnicode_GET_LENGTH(alias->name), 1);
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2258 if (dot != -1)
8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2259 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	2260 r = compiler_nameop(c, tmp, Store);
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2261 if (dot != -1) {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2262 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2263 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2264 if (!r)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2265 return r;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2266 }
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 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2269 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2270
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2271 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2272 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	2273 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2274 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	2275
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2276 PyObject *names = PyTuple_New(n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2277 PyObject *level;
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2278 static PyObject *empty_string;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2279
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2280 if (!empty_string) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2281 empty_string = PyUnicode_FromString("");
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2282 if (!empty_string)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2283 return 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2284 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2285
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2286 if (!names)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2287 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2288
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2289 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	2290 if (!level) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2291 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2292 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2293 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2294
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2295 /* build up the names */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2296 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2297 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	2298 Py_INCREF(alias->name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2299 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	2300 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2301
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2302 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	2303 !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	2304 Py_DECREF(level);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2305 Py_DECREF(names);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2306 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	2307 "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	2308 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2309
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2310 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	2311 Py_DECREF(level);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2312 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	2313 Py_DECREF(names);
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2314 if (s->v.ImportFrom.module) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2315 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	2316 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2317 else {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	2318 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	2319 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2320 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2321 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	2322 identifier store_name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2323
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	2324 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	2325 assert(n == 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2326 ADDOP(c, IMPORT_STAR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2327 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2328 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2329
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2330 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	2331 store_name = alias->name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2332 if (alias->asname)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2333 store_name = alias->asname;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2334
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2335 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	2336 Py_DECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2337 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2338 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2339 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2340 /* remove imported module */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2341 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2342 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2343 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2344
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2345 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2346 compiler_assert(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2347 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2348 static PyObject *assertion_error = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2349 basicblock *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2350
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	2351 if (c->c_optimize)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2352 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2353 if (assertion_error == NULL) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2354 assertion_error = PyUnicode_InternFromString("AssertionError");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2355 if (assertion_error == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2356 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2357 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2358 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	2359 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	2360 const char* msg =
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2361 "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	2362 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	2363 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	2364 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2365 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2366 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	2367 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2368 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2369 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2370 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	2371 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	2372 if (s->v.Assert.msg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2373 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	2374 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2375 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2376 ADDOP_I(c, RAISE_VARARGS, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2377 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2378 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2379 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2380
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2381 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2382 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	2383 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2384 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2385
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2386 /* 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	2387 c->u->u_lineno = s->lineno;
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	2388 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	2389 c->u->u_lineno_set = 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 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2392 case FunctionDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2393 return compiler_function(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2394 case ClassDef_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2395 return compiler_class(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2396 case Return_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2397 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	2398 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	2399 if (s->v.Return.value) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2400 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	2401 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2402 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2403 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	2404 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2405 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2406 case Delete_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2407 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	2408 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2409 case Assign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2410 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	2411 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	2412 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2413 if (i < n - 1)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2414 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2415 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2416 (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	2417 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2418 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2419 case AugAssign_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2420 return compiler_augassign(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2421 case For_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2422 return compiler_for(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2423 case While_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2424 return compiler_while(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2425 case If_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2426 return compiler_if(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2427 case Raise_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2428 n = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2429 if (s->v.Raise.exc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2430 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	2431 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2432 if (s->v.Raise.cause) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2433 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	2434 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2435 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2436 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2437 ADDOP_I(c, RAISE_VARARGS, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2438 break;
70499 e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2439 case Try_kind:
e0e663132363 unify TryExcept and TryFinally (closes #12199) Benjamin Peterson <benjamin@python.org> parents: 70445 diff changeset	2440 return compiler_try(c, s);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2441 case Assert_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2442 return compiler_assert(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2443 case Import_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2444 return compiler_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2445 case ImportFrom_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2446 return compiler_from_import(c, s);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2447 case Global_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2448 case Nonlocal_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2449 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2450 case Expr_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2451 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	2452 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	2453 ADDOP(c, PRINT_EXPR);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2454 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2455 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	2456 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	2457 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	2458 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2459 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2460 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2461 case Pass_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2462 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2463 case Break_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2464 if (!compiler_in_loop(c))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2465 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	2466 ADDOP(c, BREAK_LOOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2467 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2468 case Continue_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2469 return compiler_continue(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2470 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	2471 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	2472 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2473 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2474 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2475
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2476 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2477 unaryop(unaryop_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2478 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2479 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2480 case Invert:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2481 return UNARY_INVERT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2482 case Not:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2483 return UNARY_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2484 case UAdd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2485 return UNARY_POSITIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2486 case USub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2487 return UNARY_NEGATIVE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2488 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2489 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2490 "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	2491 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2492 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2493 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2494
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2495 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2496 binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2497 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2498 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2499 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2500 return BINARY_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2501 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2502 return BINARY_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2503 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2504 return BINARY_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2505 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2506 return BINARY_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2507 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2508 return BINARY_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2509 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2510 return BINARY_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2511 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2512 return BINARY_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2513 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2514 return BINARY_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2515 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2516 return BINARY_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2517 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2518 return BINARY_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2519 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2520 return BINARY_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2521 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2522 return BINARY_FLOOR_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2523 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2524 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2525 "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	2526 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2527 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2528 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2529
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2530 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2531 cmpop(cmpop_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2532 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2533 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2534 case Eq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2535 return PyCmp_EQ;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2536 case NotEq:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2537 return PyCmp_NE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2538 case Lt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2539 return PyCmp_LT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2540 case LtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2541 return PyCmp_LE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2542 case Gt:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2543 return PyCmp_GT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2544 case GtE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2545 return PyCmp_GE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2546 case Is:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2547 return PyCmp_IS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2548 case IsNot:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2549 return PyCmp_IS_NOT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2550 case In:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2551 return PyCmp_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2552 case NotIn:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2553 return PyCmp_NOT_IN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2554 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2555 return PyCmp_BAD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2556 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2557 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2558
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2559 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2560 inplace_binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2561 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2562 switch (op) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2563 case Add:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2564 return INPLACE_ADD;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2565 case Sub:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2566 return INPLACE_SUBTRACT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2567 case Mult:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2568 return INPLACE_MULTIPLY;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2569 case Div:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2570 return INPLACE_TRUE_DIVIDE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2571 case Mod:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2572 return INPLACE_MODULO;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2573 case Pow:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2574 return INPLACE_POWER;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2575 case LShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2576 return INPLACE_LSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2577 case RShift:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2578 return INPLACE_RSHIFT;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2579 case BitOr:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2580 return INPLACE_OR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2581 case BitXor:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2582 return INPLACE_XOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2583 case BitAnd:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2584 return INPLACE_AND;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2585 case FloorDiv:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2586 return INPLACE_FLOOR_DIVIDE;
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 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2589 "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	2590 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2591 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2592 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2593
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2594 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2595 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	2596 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2597 int op, scope, arg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2598 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	2599
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2600 PyObject *dict = c->u->u_names;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2601 PyObject *mangled;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2602 /* XXX AugStore isn't used anywhere! */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2603
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2604 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	2605 if (!mangled)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2606 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2607
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2608 op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2609 optype = OP_NAME;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2610 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	2611 switch (scope) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2612 case FREE:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2613 dict = c->u->u_freevars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2614 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2615 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2616 case CELL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2617 dict = c->u->u_cellvars;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2618 optype = OP_DEREF;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2619 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2620 case LOCAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2621 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	2622 optype = OP_FAST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2623 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2624 case GLOBAL_IMPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2625 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	2626 !c->u->u_ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2627 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2628 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2629 case GLOBAL_EXPLICIT:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2630 optype = OP_GLOBAL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2631 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2632 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2633 /* scope can be 0 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2634 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2635 }
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 /* 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	2638 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	2639
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2640 switch (optype) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2641 case OP_DEREF:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2642 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2643 case Load: op = LOAD_DEREF; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2644 case Store: op = STORE_DEREF; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2645 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2646 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2647 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	2648 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	2649 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2650 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2651 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2652 "param invalid for deref variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2653 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2654 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2655 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2656 case OP_FAST:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2657 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2658 case Load: op = LOAD_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2659 case Store: op = STORE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2660 case Del: op = DELETE_FAST; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2661 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2662 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2663 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2664 case Param:
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 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2667 "param invalid for local variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2668 return 0;
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 ADDOP_O(c, op, mangled, varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2671 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2672 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2673 case OP_GLOBAL:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2674 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2675 case Load: op = LOAD_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2676 case Store: op = STORE_GLOBAL; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2677 case Del: op = DELETE_GLOBAL; 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;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2681 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2682 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2683 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2684 "param invalid for global variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2685 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2686 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2687 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2688 case OP_NAME:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2689 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2690 case Load: op = LOAD_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2691 case Store: op = STORE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2692 case Del: op = DELETE_NAME; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2693 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2694 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2695 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2696 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2697 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2698 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2699 "param invalid for name variable");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2700 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2701 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2702 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2703 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2704
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2705 assert(op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2706 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	2707 Py_DECREF(mangled);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2708 if (arg < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2709 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2710 return compiler_addop_i(c, op, arg);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2711 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2712
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2713 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2714 compiler_boolop(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2715 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2716 basicblock *end;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2717 int jumpi, i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2718 asdl_seq *s;
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 assert(e->kind == BoolOp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2721 if (e->v.BoolOp.op == And)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2722 jumpi = JUMP_IF_FALSE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2723 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2724 jumpi = JUMP_IF_TRUE_OR_POP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2725 end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2726 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2727 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2728 s = e->v.BoolOp.values;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2729 n = asdl_seq_LEN(s) - 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2730 assert(n >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2731 for (i = 0; i < n; ++i) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2732 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	2733 ADDOP_JABS(c, jumpi, end);
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 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	2736 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2737 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2738 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2739
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2740 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2741 compiler_list(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2742 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2743 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	2744 if (e->v.List.ctx == Store) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2745 int i, seen_star = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2746 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2747 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	2748 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	2749 if ((i >= (1 << 8)) \|\|
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2750 (n-i-1 >= (INT_MAX >> 8)))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2751 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2752 "too many expressions in "
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2753 "star-unpacking assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2754 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	2755 seen_star = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2756 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	2757 } else if (elt->kind == Starred_kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2758 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2759 "two starred expressions in assignment");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2760 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2761 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2762 if (!seen_star) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2763 ADDOP_I(c, UNPACK_SEQUENCE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2764 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2765 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2766 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	2767 if (e->v.List.ctx == Load) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2768 ADDOP_I(c, BUILD_LIST, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2769 }
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_tuple(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.Tuple.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2777 if (e->v.Tuple.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.Tuple.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.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	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.Tuple.elts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2800 if (e->v.Tuple.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_TUPLE, 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_compare(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 i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2810 basicblock *cleanup = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2811
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2812 /* 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	2813 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	2814 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	2815 assert(n > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2816 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2817 cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2818 if (cleanup == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2819 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2820 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2821 (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	2822 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2823 for (i = 1; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2824 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2825 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2826 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2827 cmpop((cmpop_ty)(asdl_seq_GET(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2828 e->v.Compare.ops, i - 1))));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2829 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	2830 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2831 if (i < (n - 1))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2832 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2833 (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	2834 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2835 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	2836 ADDOP_I(c, COMPARE_OP,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2837 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	2838 if (n > 1) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2839 basicblock *end = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2840 if (end == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2841 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2842 ADDOP_JREL(c, JUMP_FORWARD, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2843 compiler_use_next_block(c, cleanup);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2844 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2845 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2846 compiler_use_next_block(c, end);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2847 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2848 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2849 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2850
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2851 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2852 compiler_call(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2853 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2854 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	2855 return compiler_call_helper(c, 0,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2856 e->v.Call.args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2857 e->v.Call.keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2858 e->v.Call.starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2859 e->v.Call.kwargs);
41226 19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2860 }
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2861
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2862 /* 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	2863 static int
19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2864 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	2865 int n, /* Args already pushed */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2866 asdl_seq *args,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2867 asdl_seq *keywords,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2868 expr_ty starargs,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2869 expr_ty kwargs)
41226 19f7ff443718 Implement PEP 3115 -- new metaclass syntax and semantics. Guido van Rossum <guido@python.org> parents: 40965 diff changeset	2870 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2871 int code = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2872
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2873 n += asdl_seq_LEN(args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2874 VISIT_SEQ(c, expr, args);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2875 if (keywords) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2876 VISIT_SEQ(c, keyword, keywords);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2877 n \|= asdl_seq_LEN(keywords) << 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2878 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2879 if (starargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2880 VISIT(c, expr, starargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2881 code \|= 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2882 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2883 if (kwargs) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2884 VISIT(c, expr, kwargs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2885 code \|= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2886 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2887 switch (code) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2888 case 0:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2889 ADDOP_I(c, CALL_FUNCTION, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2890 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2891 case 1:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2892 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	2893 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2894 case 2:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2895 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	2896 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2897 case 3:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2898 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	2899 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2900 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2901 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2902 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2903
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2904
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2905 /* 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	2906 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	2907 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	2908 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	2909 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	2910 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	2911 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	2912 when the function is called.
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2913 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	2914 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	2915
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2916 Possible cleanups:
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2917 - 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	2918 */
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	2919
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2920 static int
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2921 compiler_comprehension_generator(struct compiler *c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2922 asdl_seq *generators, int gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2923 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	2924 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2925 /* 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	2926 and then write to the element */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2927
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2928 comprehension_ty gen;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2929 basicblock start, anchor, skip, if_cleanup;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2930 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2931
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2932 start = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2933 skip = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2934 if_cleanup = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2935 anchor = compiler_new_block(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2936
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2937 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	2938 anchor == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2939 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2940
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2941 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	2942
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2943 if (gen_index == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2944 /* 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	2945 c->u->u_argcount = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2946 ADDOP_I(c, LOAD_FAST, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2947 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2948 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2949 /* Sub-iter - calculate on the fly */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2950 VISIT(c, expr, gen->iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2951 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2952 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2953 compiler_use_next_block(c, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2954 ADDOP_JREL(c, FOR_ITER, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2955 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2956 VISIT(c, expr, gen->target);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2957
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2958 /* 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	2959 n = asdl_seq_LEN(gen->ifs);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2960 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2961 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	2962 VISIT(c, expr, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2963 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	2964 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2965 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2966
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2967 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	2968 if (!compiler_comprehension_generator(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2969 generators, gen_index,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2970 elt, val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2971 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2972
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2973 /* 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	2974 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	2975 /* comprehension specific code */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2976 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2977 case COMP_GENEXP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2978 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2979 ADDOP(c, YIELD_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2980 ADDOP(c, POP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2981 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2982 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2983 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2984 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	2985 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2986 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2987 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2988 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	2989 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2990 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2991 /* 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	2992 the same. */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2993 VISIT(c, expr, val);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2994 VISIT(c, expr, elt);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2995 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	2996 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2997 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	2998 return 0;
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
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3001 compiler_use_next_block(c, skip);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3002 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3003 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	3004 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3005 compiler_use_next_block(c, anchor);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3006
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3007 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3008 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3009
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3010 static int
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3011 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	3012 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	3013 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3014 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3015 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	3016 PyObject *qualname = NULL;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3017
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3018 outermost_iter = ((comprehension_ty)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3019 asdl_seq_GET(generators, 0))->iter;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3020
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3021 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	3022 (void *)e, e->lineno))
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3023 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3024
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3025 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3026 int op;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3027 switch (type) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3028 case COMP_LISTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3029 op = BUILD_LIST;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3030 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3031 case COMP_SETCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3032 op = BUILD_SET;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3033 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3034 case COMP_DICTCOMP:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3035 op = BUILD_MAP;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3036 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3037 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3038 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3039 "unknown comprehension type %d", type);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3040 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3041 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3042
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3043 ADDOP_I(c, op, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3044 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3045
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3046 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	3047 val, type))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3048 goto error_in_scope;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3049
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3050 if (type != COMP_GENEXP) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3051 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3052 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3053
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3054 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	3055 qualname = compiler_scope_qualname(c);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3056 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	3057 if (qualname == NULL \|\| co == NULL)
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3058 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3059
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3060 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	3061 goto error;
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3062 Py_DECREF(qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3063 Py_DECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3064
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3065 VISIT(c, expr, outermost_iter);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3066 ADDOP(c, GET_ITER);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3067 ADDOP_I(c, CALL_FUNCTION, 1);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3068 return 1;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3069 error_in_scope:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3070 compiler_exit_scope(c);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3071 error:
73738 e1dbc72bd97f PEP 3155 / issue #13448: Qualified name for classes and functions. Antoine Pitrou <solipsis@pitrou.net> parents: 72493 diff changeset	3072 Py_XDECREF(qualname);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3073 Py_XDECREF(co);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3074 return 0;
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3075 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3076
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3077 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3078 compiler_genexp(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3079 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3080 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3081 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3082 name = PyUnicode_FromString("<genexpr>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3083 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3084 return 0;
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 assert(e->kind == GeneratorExp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3087 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	3088 e->v.GeneratorExp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3089 e->v.GeneratorExp.elt, NULL);
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3090 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3091
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3092 static int
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3093 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	3094 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3095 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3096 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3097 name = PyUnicode_FromString("<listcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3098 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3099 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3100 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3101 assert(e->kind == ListComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3102 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	3103 e->v.ListComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3104 e->v.ListComp.elt, NULL);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3105 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3106
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3107 static int
41464 060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3108 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	3109 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3110 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3111 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3112 name = PyUnicode_FromString("<setcomp>");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3113 if (!name)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3114 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3115 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3116 assert(e->kind == SetComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3117 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	3118 e->v.SetComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3119 e->v.SetComp.elt, NULL);
42193 090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3120 }
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3121
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3122
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3123 static int
090588a17490 Merged revisions 56154-56264 via svnmerge from Guido van Rossum <guido@python.org> parents: 42089 diff changeset	3124 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	3125 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3126 static identifier name;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3127 if (!name) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3128 name = PyUnicode_FromString("<dictcomp>");
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 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3131 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3132 assert(e->kind == DictComp_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3133 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	3134 e->v.DictComp.generators,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3135 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	3136 }
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3137
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3138
060c79f6d919 Hide list comp variables and support set comprehensions Nick Coghlan <ncoghlan@gmail.com> parents: 41273 diff changeset	3139 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3140 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	3141 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3142 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	3143 VISIT(c, expr, k->value);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3144 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3145 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3146
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3147 /* 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	3148 whether they are true or false.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3149
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3150 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	3151 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3152
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3153 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	3154 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	3155 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3156 char *id;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3157 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3158 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3159 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3160 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3161 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	3162 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3163 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	3164 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3165 /* optimize away names that can't be reassigned */
72475 8beaa9a37387 Implement PEP 393. Martin v. Löwis <martin@v.loewis.de> parents: 70889 diff changeset	3166 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	3167 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	3168 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	3169 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	3170 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	3171 return ! c->c_optimize;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3172 /* fall through */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3173 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3174 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3175 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3176 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3177
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3178 /*
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3179 Implements the with statement from PEP 343.
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3180
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3181 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	3182
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3183 with EXPR as VAR:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3184 BLOCK
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3185
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3186 It is implemented roughly as:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3187
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	3188 context = EXPR
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3189 exit = context.__exit__ # not calling it
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3190 value = context.__enter__()
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3191 try:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3192 VAR = value # if VAR present in the syntax
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3193 BLOCK
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3194 finally:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3195 if an exception was raised:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3196 exc = copy of (exception, instance, traceback)
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3197 else:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3198 exc = (None, None, None)
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3199 exit(*exc)
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3200 */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3201 static int
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3202 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	3203 {
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3204 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	3205 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	3206
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3207 assert(s->kind == With_kind);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3208
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3209 block = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3210 finally = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3211 if (!block \|\| !finally)
62456 2907ce8bfbb6 Merged revisions 82171 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62393 diff changeset	3212 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3213
38453 29ae5e0fc348 Much-needed merge (using svnmerge.py this time) of trunk changes into p3yk. Thomas Wouters <thomas@python.org> parents: 37879 diff changeset	3214 /* Evaluate EXPR */
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3215 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	3216 ADDOP_JREL(c, SETUP_WITH, finally);
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 53816 diff changeset	3217
3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 53816 diff changeset	3218 /* SETUP_WITH pushes a finally block. */
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3219 compiler_use_next_block(c, block);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3220 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	3221 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3222 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3223
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3224 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	3225 VISIT(c, expr, item->optional_vars);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3226 }
54889 3aaf2e065db0 Merged revisions 72912,72920,72940 via svnmerge from Benjamin Peterson <benjamin@python.org> parents: 53816 diff changeset	3227 else {
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3228 /* Discard result from context.__enter__() */
62455 eb95af0a99cb Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 62389 diff changeset	3229 ADDOP(c, POP_TOP);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3230 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3231
70438 9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3232 pos++;
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3233 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	3234 /* BLOCK code */
9b11cc4e2918 reflect with statements with multiple items in the AST (closes #12106) Benjamin Peterson <benjamin@python.org> parents: 70436 diff changeset	3235 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	3236 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	3237 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3238
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3239 /* End of try block; start the finally block */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3240 ADDOP(c, POP_BLOCK);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3241 compiler_pop_fblock(c, FINALLY_TRY, block);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3242
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3243 ADDOP_O(c, LOAD_CONST, Py_None, consts);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3244 compiler_use_next_block(c, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3245 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	3246 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3247
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	3248 /* 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	3249 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	3250 opcode. */
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3251 ADDOP(c, WITH_CLEANUP);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3252
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3253 /* Finally block ends. */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3254 ADDOP(c, END_FINALLY);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3255 compiler_pop_fblock(c, FINALLY_END, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3256 return 1;
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3257 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	3258
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3259 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3260 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	3261 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3262 int i, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3263
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3264 /* 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	3265 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	3266 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3267 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	3268 c->u->u_lineno = e->lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3269 c->u->u_lineno_set = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3270 }
64861 861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	3271 /* Updating the column offset is always harmless. */
861c35cef7aa add column offset to all syntax errors Benjamin Peterson <benjamin@python.org> parents: 64620 diff changeset	3272 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	3273 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3274 case BoolOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3275 return compiler_boolop(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3276 case BinOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3277 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	3278 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	3279 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	3280 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3281 case UnaryOp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3282 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	3283 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	3284 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3285 case Lambda_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3286 return compiler_lambda(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3287 case IfExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3288 return compiler_ifexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3289 case Dict_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3290 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	3291 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	3292 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3293 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3294 (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	3295 VISIT(c, expr,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3296 (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	3297 ADDOP(c, STORE_MAP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3298 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3299 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3300 case Set_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3301 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	3302 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	3303 ADDOP_I(c, BUILD_SET, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3304 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3305 case GeneratorExp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3306 return compiler_genexp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3307 case ListComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3308 return compiler_listcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3309 case SetComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3310 return compiler_setcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3311 case DictComp_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3312 return compiler_dictcomp(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3313 case Yield_kind:
74391 e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780) Benjamin Peterson <benjamin@python.org> parents: 74356 diff changeset	3314 case YieldFrom_kind: {
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780) Benjamin Peterson <benjamin@python.org> parents: 74356 diff changeset	3315 expr_ty value;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3316 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	3317 return compiler_error(c, "'yield' outside function");
74391 e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780) Benjamin Peterson <benjamin@python.org> parents: 74356 diff changeset	3318 value = (e->kind == YieldFrom_kind) ? e->v.YieldFrom.value : e->v.Yield.value;
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780) Benjamin Peterson <benjamin@python.org> parents: 74356 diff changeset	3319 if (value) {
e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780) Benjamin Peterson <benjamin@python.org> parents: 74356 diff changeset	3320 VISIT(c, expr, value);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3321 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3322 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3323 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	3324 }
74391 e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780) Benjamin Peterson <benjamin@python.org> parents: 74356 diff changeset	3325 if (e->kind == YieldFrom_kind) {
75714 72556ff86828 perform yield from delegation by repeating YIELD_FROM opcode (closes #14230) Benjamin Peterson <benjamin@python.org> parents: 74391 diff changeset	3326 ADDOP(c, GET_ITER);
72556ff86828 perform yield from delegation by repeating YIELD_FROM opcode (closes #14230) Benjamin Peterson <benjamin@python.org> parents: 74391 diff changeset	3327 ADDOP_O(c, LOAD_CONST, Py_None, consts);
74356 d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682) Nick Coghlan <ncoghlan@gmail.com> parents: 73738 diff changeset	3328 ADDOP(c, YIELD_FROM);
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682) Nick Coghlan <ncoghlan@gmail.com> parents: 73738 diff changeset	3329 }
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682) Nick Coghlan <ncoghlan@gmail.com> parents: 73738 diff changeset	3330 else {
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682) Nick Coghlan <ncoghlan@gmail.com> parents: 73738 diff changeset	3331 ADDOP(c, YIELD_VALUE);
d64ac9ab4cd0 Implement PEP 380 - 'yield from' (closes #11682) Nick Coghlan <ncoghlan@gmail.com> parents: 73738 diff changeset	3332 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3333 break;
74391 e1177b9167ce make YieldFrom its own distinct from Yield (closes #13780) Benjamin Peterson <benjamin@python.org> parents: 74356 diff changeset	3334 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3335 case Compare_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3336 return compiler_compare(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3337 case Call_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3338 return compiler_call(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3339 case Num_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3340 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	3341 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3342 case Str_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3343 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	3344 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3345 case Bytes_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3346 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	3347 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3348 case Ellipsis_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3349 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	3350 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3351 /* 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	3352 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3353 if (e->v.Attribute.ctx != AugStore)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3354 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	3355 switch (e->v.Attribute.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3356 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3357 ADDOP(c, DUP_TOP);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3358 /* Fall through to load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3359 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3360 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	3361 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3362 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3363 ADDOP(c, ROT_TWO);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3364 /* Fall through to save */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3365 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3366 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	3367 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3368 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3369 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	3370 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3371 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3372 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3373 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3374 "param invalid in attribute expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3375 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3376 }
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 Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3379 switch (e->v.Subscript.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3380 case AugLoad:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3381 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	3382 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	3383 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3384 case Load:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3385 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	3386 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	3387 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3388 case AugStore:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3389 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	3390 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3391 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3392 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	3393 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	3394 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3395 case Del:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3396 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	3397 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	3398 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3399 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3400 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3401 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3402 "param invalid in subscript expression");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3403 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3404 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3405 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3406 case Starred_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3407 switch (e->v.Starred.ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3408 case Store:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3409 /* 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	3410 * 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	3411 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3412 "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	3413 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3414 return compiler_error(c,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3415 "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	3416 }
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 Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3419 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	3420 /* 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	3421 case List_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3422 return compiler_list(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3423 case Tuple_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3424 return compiler_tuple(c, e);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3425 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3426 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3427 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3428
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3429 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3430 compiler_augassign(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3431 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3432 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	3433 expr_ty auge;
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 assert(s->kind == AugAssign_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3436
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3437 switch (e->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3438 case Attribute_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3439 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	3440 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	3441 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3442 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3443 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3444 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	3445 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	3446 auge->v.Attribute.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3447 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3448 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3449 case Subscript_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3450 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	3451 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	3452 if (auge == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3453 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3454 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3455 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	3456 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	3457 auge->v.Subscript.ctx = AugStore;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3458 VISIT(c, expr, auge);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3459 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3460 case Name_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3461 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	3462 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3463 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	3464 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	3465 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	3466 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3467 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3468 "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	3469 e->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3470 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3471 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3472 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3473 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3474
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3475 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3476 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	3477 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3478 struct fblockinfo *f;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3479 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	3480 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3481 "too many statically nested blocks");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3482 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3483 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3484 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	3485 f->fb_type = t;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3486 f->fb_block = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3487 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3488 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3489
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3490 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3491 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	3492 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3493 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3494 assert(u->u_nfblocks > 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3495 u->u_nfblocks--;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3496 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	3497 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	3498 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3499
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3500 static int
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3501 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	3502 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3503 struct compiler_unit *u = c->u;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3504 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	3505 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	3506 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3507 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3508 return 0;
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3509 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3510 /* Raises a SyntaxError and returns 0.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3511 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	3512 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3513
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3514 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3515 compiler_error(struct compiler c, const char errstr)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3516 {
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	3517 PyObject *loc;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3518 PyObject u = NULL, v = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3519
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3520 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	3521 if (!loc) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3522 Py_INCREF(Py_None);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3523 loc = Py_None;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3524 }
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	3525 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	3526 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	3527 if (!u)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3528 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3529 v = Py_BuildValue("(zO)", errstr, u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3530 if (!v)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3531 goto exit;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3532 PyErr_SetObject(PyExc_SyntaxError, v);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3533 exit:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3534 Py_DECREF(loc);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3535 Py_XDECREF(u);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3536 Py_XDECREF(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3537 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3538 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3539
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3540 static int
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3541 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	3542 expr_context_ty ctx)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3543 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3544 int op = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3545
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3546 /* XXX this code is duplicated */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3547 switch (ctx) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3548 case AugLoad: /* fall through to Load */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3549 case Load: op = BINARY_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3550 case AugStore:/* fall through to Store */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3551 case Store: op = STORE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3552 case Del: op = DELETE_SUBSCR; break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3553 case Param:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3554 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3555 "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	3556 kind, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3557 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3558 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3559 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	3560 ADDOP(c, DUP_TOP_TWO);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3561 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3562 else if (ctx == AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3563 ADDOP(c, ROT_THREE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3564 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3565 ADDOP(c, op);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3566 return 1;
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3567 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3568
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3569 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3570 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	3571 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3572 int n = 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3573 assert(s->kind == Slice_kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3574
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3575 /* 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	3576 if (s->v.Slice.lower) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3577 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	3578 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3579 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3580 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	3581 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3582
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3583 if (s->v.Slice.upper) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3584 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	3585 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3586 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3587 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	3588 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3589
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3590 if (s->v.Slice.step) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3591 n++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3592 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	3593 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3594 ADDOP_I(c, BUILD_SLICE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3595 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3596 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3597
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3598 static int
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3599 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	3600 expr_context_ty ctx)
35742 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 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3603 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3604 return compiler_slice(c, s, ctx);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3605 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3606 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	3607 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3608 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3609 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3610 PyErr_SetString(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3611 "extended slice invalid in nested slice");
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3612 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3613 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3614 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3615 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3616
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3617 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3618 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	3619 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3620 char * kindname = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3621 switch (s->kind) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3622 case Index_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3623 kindname = "index";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3624 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3625 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	3626 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3627 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3628 case Slice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3629 kindname = "slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3630 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3631 if (!compiler_slice(c, s, ctx))
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3632 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3633 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3634 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3635 case ExtSlice_kind:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3636 kindname = "extended slice";
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3637 if (ctx != AugStore) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3638 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	3639 for (i = 0; i < n; i++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3640 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	3641 s->v.ExtSlice.dims, i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3642 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	3643 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3644 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3645 ADDOP_I(c, BUILD_TUPLE, n);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3646 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3647 break;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3648 default:
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3649 PyErr_Format(PyExc_SystemError,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3650 "invalid subscript kind %d", s->kind);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3651 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3652 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3653 return compiler_handle_subscr(c, kindname, ctx);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3654 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3655
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3656 /* 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	3657
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3658 /* 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	3659 post records the block indices in post-order.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3660
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3661 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	3662 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a Jeremy Hylton <jeremy@alum.mit.edu> parents: 16006 diff changeset	3663
40450 cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3664 struct assembler {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3665 PyObject a_bytecode; / string containing bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3666 int a_offset; /* offset into bytecode */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3667 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	3668 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	3669 PyObject a_lnotab; / string containing lnotab */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3670 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	3671 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	3672 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	3673 };
cc992d75d5b3 Four months of trunk changes (including a few releases...) Thomas Wouters <thomas@python.org> parents: 40215 diff changeset	3674
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3675 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3676 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	3677 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3678 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3679 struct instr *instr = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3680
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3681 if (b->b_seen)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3682 return;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3683 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3684 if (b->b_next != NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3685 dfs(c, b->b_next, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3686 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	3687 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3688 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	3689 dfs(c, instr->i_target, a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3690 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3691 a->a_postorder[a->a_nblocks++] = b;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3692 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3693
35860 9b885c934144 make internal method static Neal Norwitz <nnorwitz@gmail.com> parents: 35797 diff changeset	3694 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3695 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	3696 {
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3697 int i, target_depth;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3698 struct instr *instr;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3699 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	3700 return maxdepth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3701 b->b_seen = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3702 b->b_startdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3703 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	3704 instr = &b->b_instr[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3705 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	3706 if (depth > maxdepth)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3707 maxdepth = depth;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3708 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	3709 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	3710 target_depth = depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3711 if (instr->i_opcode == FOR_ITER) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3712 target_depth = depth-2;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3713 } 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	3714 instr->i_opcode == SETUP_EXCEPT) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3715 target_depth = depth+3;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3716 if (target_depth > maxdepth)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3717 maxdepth = target_depth;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3718 }
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3719 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	3720 target_depth, maxdepth);
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3721 if (instr->i_opcode == JUMP_ABSOLUTE \|\|
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3722 instr->i_opcode == JUMP_FORWARD) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3723 goto out; /* remaining code is dead */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3724 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3725 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3726 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3727 if (b->b_next)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3728 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	3729 out:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3730 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3731 return maxdepth;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3732 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3733
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3734 /* 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	3735 * 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	3736 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3737 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3738 stackdepth(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3739 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3740 basicblock b, entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3741 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3742 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	3743 b->b_seen = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3744 b->b_startdepth = INT_MIN;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3745 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3746 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3747 if (!entryblock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3748 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3749 return stackdepth_walk(c, entryblock, 0, 0);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3750 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3751
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3752 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3753 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	3754 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3755 memset(a, 0, sizeof(struct assembler));
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3756 a->a_lineno = firstlineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3757 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	3758 if (!a->a_bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3759 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3760 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	3761 if (!a->a_lnotab)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3762 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3763 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	3764 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3765 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3766 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3767 a->a_postorder = (basicblock **)PyObject_Malloc(
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3768 sizeof(basicblock ) nblocks);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3769 if (!a->a_postorder) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3770 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3771 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3772 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3773 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3774 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3775
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3776 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3777 assemble_free(struct assembler *a)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3778 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3779 Py_XDECREF(a->a_bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3780 Py_XDECREF(a->a_lnotab);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3781 if (a->a_postorder)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3782 PyObject_Free(a->a_postorder);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3783 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3784
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3785 /* 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	3786
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3787 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3788 instrsize(struct instr *instr)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3789 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3790 if (!instr->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3791 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	3792 if (instr->i_oparg > 0xffff)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3793 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	3794 return 3; /* 1 (opcode) + 2 (oparg) */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3795 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3796
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3797 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3798 blocksize(basicblock *b)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3799 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3800 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3801 int size = 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 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	3804 size += instrsize(&b->b_instr[i]);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3805 return size;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3806 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3807
55372 79718ee03986 Merged revisions 72487-72488,72879 via svnmerge from Alexandre Vassalotti <alexandre@peadrop.com> parents: 54918 diff changeset	3808 /* 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	3809 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	3810 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	3811
17518 f939ce52a734 Make some private symbols static. Guido van Rossum <guido@python.org> parents: 17355 diff changeset	3812 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3813 assemble_lnotab(struct assembler a, struct instr i)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3814 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3815 int d_bytecode, d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3816 int len;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3817 unsigned char *lnotab;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3818
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3819 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	3820 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	3821
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3822 assert(d_bytecode >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3823 assert(d_lineno >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3824
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3825 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	3826 return 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3827
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3828 if (d_bytecode > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3829 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	3830 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	3831 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	3832 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3833 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	3834 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3835 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3836 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3837 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3838 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3839 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3840 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3841 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	3842 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3843 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3844 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3845 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	3846 for (j = 0; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3847 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3848 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3849 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3850 d_bytecode -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3851 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3852 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3853 assert(d_bytecode <= 255);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3854 if (d_lineno > 255) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3855 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	3856 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	3857 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	3858 if (nbytes >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3859 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	3860 len = nbytes;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3861 else if (len <= INT_MAX / 2)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3862 len *= 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3863 else {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3864 PyErr_NoMemory();
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3865 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3866 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3867 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	3868 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3869 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3870 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3871 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	3872 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3873 *lnotab++ = 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3874 d_bytecode = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3875 for (j = 1; j < ncodes; j++) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3876 *lnotab++ = 0;
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 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3879 d_lineno -= ncodes * 255;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3880 a->a_lnotab_off += ncodes * 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3881 }
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 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	3884 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	3885 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	3886 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3887 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3888 lnotab = (unsigned char *)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3889 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	3890
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3891 a->a_lnotab_off += 2;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3892 if (d_bytecode) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3893 *lnotab++ = d_bytecode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3894 *lnotab++ = d_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3895 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3896 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	3897 *lnotab++ = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3898 *lnotab++ = d_lineno;
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 a->a_lineno = i->i_lineno;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3901 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	3902 return 1;
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	3903 }
16015 c832ef72499d This patch introduces an extra pass to the compiler that generates a Jeremy Hylton <jeremy@alum.mit.edu> parents: 16006 diff changeset	3904
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3905 /* assemble_emit()
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3906 Extend the bytecode with a new instruction.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3907 Update lnotab if necessary.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3908 */
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	3909
24855 bed5d5e536bc Add warnings for assignment or deletion of variables and attributes Guido van Rossum <guido@python.org> parents: 24854 diff changeset	3910 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3911 assemble_emit(struct assembler a, struct instr i)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3912 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3913 int size, arg = 0, ext = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3914 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	3915 char *code;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3916
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3917 size = instrsize(i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3918 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3919 arg = i->i_oparg;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3920 ext = arg >> 16;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3921 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3922 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	3923 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3924 if (a->a_offset + size >= len) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3925 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	3926 return 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3927 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	3928 return 0;
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 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	3931 a->a_offset += size;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3932 if (size == 6) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3933 assert(i->i_hasarg);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3934 *code++ = (char)EXTENDED_ARG;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3935 *code++ = ext & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3936 *code++ = ext >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3937 arg &= 0xffff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3938 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3939 *code++ = i->i_opcode;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3940 if (i->i_hasarg) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3941 assert(size == 3 \|\| size == 6);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3942 *code++ = arg & 0xff;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3943 *code++ = arg >> 8;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3944 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3945 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	3946 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time Jeremy Hylton <jeremy@alum.mit.edu> parents: 19177 diff changeset	3947
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	3948 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3949 assemble_jump_offsets(struct assembler a, struct compiler c)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3950 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3951 basicblock *b;
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3952 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	3953 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3954
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3955 /* 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	3956 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	3957 do {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3958 totsize = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3959 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	3960 b = a->a_postorder[i];
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3961 bsize = blocksize(b);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3962 b->b_offset = totsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3963 totsize += bsize;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3964 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3965 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	3966 extended_arg_count = 0;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3967 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	3968 bsize = b->b_offset;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3969 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	3970 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	3971 /* Relative jumps are computed relative to
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3972 the instruction pointer after fetching
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3973 the jump instruction.
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3974 */
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3975 bsize += instrsize(instr);
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3976 if (instr->i_jabs)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3977 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	3978 else if (instr->i_jrel) {
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3979 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	3980 instr->i_oparg = delta;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3981 }
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3982 else
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3983 continue;
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3984 if (instr->i_oparg > 0xffff)
cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	3985 extended_arg_count++;
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3986 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3987 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3988
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3989 /* 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	3990 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	3991 with a better solution.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3992
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3993 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	3994 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	3995 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	3996 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	3997
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	3998 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	3999 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	4000 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	4001 fairly quickly.
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4002 */
61466 cab14be0ada1 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 59673 diff changeset	4003 } while (last_extended_arg_count != extended_arg_count);
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	4004 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	4005
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4006 static PyObject *
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4007 dict_keys_inorder(PyObject *dict, int offset)
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4008 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4009 PyObject tuple, k, *v;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4010 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	4011
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4012 tuple = PyTuple_New(size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4013 if (tuple == NULL)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4014 return NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4015 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	4016 i = PyLong_AS_LONG(v);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4017 /* 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	4018 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	4019 k = PyTuple_GET_ITEM(k, 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4020 Py_INCREF(k);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4021 assert((i - offset) < size);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4022 assert((i - offset) >= 0);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4023 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	4024 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4025 return tuple;
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4026 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	4027
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4028 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4029 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	4030 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4031 PySTEntryObject *ste = c->u->u_ste;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4032 int flags = 0, n;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4033 if (ste->ste_type != ModuleBlock)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4034 flags \|= CO_NEWLOCALS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4035 if (ste->ste_type == FunctionBlock) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4036 if (!ste->ste_unoptimized)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4037 flags \|= CO_OPTIMIZED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4038 if (ste->ste_nested)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4039 flags \|= CO_NESTED;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4040 if (ste->ste_generator)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4041 flags \|= CO_GENERATOR;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4042 if (ste->ste_varargs)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4043 flags \|= CO_VARARGS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4044 if (ste->ste_varkeywords)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4045 flags \|= CO_VARKEYWORDS;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4046 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4047
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4048 /* (Only) inherit compilerflags in PyCF_MASK */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4049 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	4050
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4051 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	4052 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4053 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4054 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4055 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	4056 if (n < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4057 return -1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4058 if (n == 0) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4059 flags \|= CO_NOFREE;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4060 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4061 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4062
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4063 return flags;
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	4064 }
eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	4065
5373 5880384d7c71 Quickly renamed the remaining files -- this directory is done. Guido van Rossum <guido@python.org> parents: 5287 diff changeset	4066 static PyCodeObject *
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4067 makecode(struct compiler c, struct assembler a)
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	4068 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4069 PyObject *tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4070 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4071 PyObject *consts = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4072 PyObject *names = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4073 PyObject *varnames = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4074 PyObject *name = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4075 PyObject *freevars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4076 PyObject *cellvars = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4077 PyObject *bytecode = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4078 int nlocals, flags;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4079
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4080 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	4081 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4082 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4083 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	4084 Py_DECREF(tmp);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4085
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4086 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	4087 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	4088 if (!consts \|\| !names \|\| !varnames)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4089 goto error;
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 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	4092 if (!cellvars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4093 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4094 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	4095 if (!freevars)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4096 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4097 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	4098 flags = compute_code_flags(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4099 if (flags < 0)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4100 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4101
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4102 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	4103 if (!bytecode)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4104 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4105
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4106 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	4107 if (!tmp)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4108 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4109 Py_DECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4110 consts = tmp;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4111
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4112 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	4113 nlocals, stackdepth(c), flags,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4114 bytecode, consts, names, varnames,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4115 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	4116 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	4117 c->u->u_firstlineno,
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4118 a->a_lnotab);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4119 error:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4120 Py_XDECREF(consts);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4121 Py_XDECREF(names);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4122 Py_XDECREF(varnames);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4123 Py_XDECREF(name);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4124 Py_XDECREF(freevars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4125 Py_XDECREF(cellvars);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4126 Py_XDECREF(bytecode);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4127 return co;
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	4128 }
5041 c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number Guido van Rossum <guido@python.org> parents: 5011 diff changeset	4129
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4130
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4131 /* For debugging purposes only */
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4132 #if 0
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4133 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4134 dump_instr(const struct instr *i)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4135 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4136 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	4137 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	4138 char arg[128];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4139
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4140 *arg = '\0';
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4141 if (i->i_hasarg)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4142 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	4143
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4144 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	4145 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	4146 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4147
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4148 static void
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4149 dump_basicblock(const basicblock *b)
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4150 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4151 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	4152 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	4153 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	4154 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	4155 if (b->b_instr) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4156 int i;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4157 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	4158 fprintf(stderr, " [%02d] ", i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4159 dump_instr(b->b_instr + i);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4160 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4161 }
39442 654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4162 }
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4163 #endif
654c380cf8b9 Merged revisions 46753-51188 via svnmerge from Thomas Wouters <thomas@python.org> parents: 38673 diff changeset	4164
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4165 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4166 assemble(struct compiler *c, int addNone)
16781 5a1230de436a Preliminary support for future nested scopes Jeremy Hylton <jeremy@alum.mit.edu> parents: 16763 diff changeset	4167 {
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4168 basicblock b, entryblock;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4169 struct assembler a;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4170 int i, j, nblocks;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4171 PyCodeObject *co = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4172
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4173 /* 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	4174 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	4175 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	4176 */
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4177 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	4178 NEXT_BLOCK(c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4179 if (addNone)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4180 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	4181 ADDOP(c, RETURN_VALUE);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4182 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4183
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4184 nblocks = 0;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4185 entryblock = NULL;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4186 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	4187 nblocks++;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4188 entryblock = b;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4189 }
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 /* 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	4192 if (!c->u->u_firstlineno) {
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4193 if (entryblock && entryblock->b_instr)
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4194 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	4195 else
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4196 c->u->u_firstlineno = 1;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4197 }
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4198 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	4199 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4200 dfs(c, entryblock, &a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4201
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4202 /* 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	4203 assemble_jump_offsets(&a, c);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4204
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4205 /* 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	4206 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	4207 b = a.a_postorder[i];
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4208 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	4209 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	4210 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4211 }
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 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	4214 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4215 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	4216 goto error;
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4217
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4218 co = makecode(c, &a);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	4219 error:
61467 f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4220 assemble_free(&a);
f197407bdba2 Recorded merge of revisions 81032 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57502 diff changeset	4221 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	4222 }
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	4223
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	4224 #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	4225 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	4226 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	4227 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	4228 {
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	4229 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	4230 }
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	4231
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	4232

Mercurial > cpython-lru_cache-weakref

annotate Python/compile.c @ 76333:4dce3afc392c