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

annotate Python/compile.c @ 80661:94de77bd0b4b 2.7

Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.

author	Andrew Svetlov <andrew.svetlov@gmail.com>
date	Thu, 29 Nov 2012 19:51:28 +0200
parents	9a3861db4341
children	0e0a3df5b08d

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
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	8 * 2. Builds a symbol table. See symtable.c.
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 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
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	11 * this file.
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 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
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	20 * structure takes care of releasing those. Use the arena to manage
c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 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"
36065 ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines, Neal Norwitz <nnorwitz@gmail.com> parents: 35993 diff changeset	28 #include "pyarena.h"
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	29 #include "ast.h"
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	30 #include "code.h"
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	31 #include "compile.h"
16421 aa844711463a Move a bunch of definitions that were internal to compile.c to Jeremy Hylton <jeremy@alum.mit.edu> parents: 16408 diff changeset	32 #include "symtable.h"
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	33 #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	34
5164 8c277f29b535 Add global Py_OptimizeFlag. SET_LINENO is omitted again unless this is Guido van Rossum <guido@python.org> parents: 5119 diff changeset	35 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	36
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	37 #define DEFAULT_BLOCK_SIZE 16
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	38 #define DEFAULT_BLOCKS 8
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	39 #define DEFAULT_CODE_SIZE 128
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	40 #define DEFAULT_LNOTAB_SIZE 16
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	41
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	42 #define COMP_GENEXP 0
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	43 #define COMP_SETCOMP 1
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	44 #define COMP_DICTCOMP 2
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	45
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	46 struct instr {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	47 unsigned i_jabs : 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	48 unsigned i_jrel : 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	49 unsigned i_hasarg : 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	50 unsigned char i_opcode;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	51 int i_oparg;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	52 struct basicblock_ i_target; / target block (if jump instruction) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	53 int i_lineno;
35742 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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	56 typedef struct basicblock_ {
37390 5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	57 /* Each basicblock in a compilation unit is linked via b_list in the
5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	58 reverse order that the block are allocated. b_list points to the next
5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	59 block, not to be confused with b_next, which is next by control flow. */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	60 struct basicblock_ *b_list;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	61 /* number of instructions used */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	62 int b_iused;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	63 /* length of instruction array (b_instr) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	64 int b_ialloc;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	65 /* pointer to an array of instructions, initially NULL */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	66 struct instr *b_instr;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	67 /* If b_next is non-NULL, it is a pointer to the next
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	68 block reached by normal control flow. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	69 struct basicblock_ *b_next;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	70 /* b_seen is used to perform a DFS of basicblocks. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	71 unsigned b_seen : 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	72 /* b_return is true if a RETURN_VALUE opcode is inserted. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	73 unsigned b_return : 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	74 /* depth of stack upon entry of block, computed by stackdepth() */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	75 int b_startdepth;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	76 /* instruction offset for block, computed by assemble_jump_offsets() */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	77 int b_offset;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	78 } basicblock;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	79
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	80 /* fblockinfo tracks the current frame block.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	81
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	82 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	83 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	84 compiler IR.
35742 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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	87 enum fblocktype { LOOP, EXCEPT, FINALLY_TRY, FINALLY_END };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	88
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	89 struct fblockinfo {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	90 enum fblocktype fb_type;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	91 basicblock *fb_block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	92 };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	93
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	94 /* 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	95 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	96 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	97 struct compiler_unit {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	98 PySTEntryObject *u_ste;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	99
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	100 PyObject *u_name;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	101 /* The following fields are dicts that map objects to
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	102 the index of them in co_XXX. The index is used as
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	103 the argument for opcodes that refer to those collections.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	104 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	105 PyObject u_consts; / all constants */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	106 PyObject u_names; / all names */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	107 PyObject u_varnames; / local variables */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	108 PyObject u_cellvars; / cell variables */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	109 PyObject u_freevars; / free variables */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	110
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	111 PyObject u_private; / for private name mangling */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	112
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	113 int u_argcount; /* number of arguments for block */
37390 5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	114 /* Pointer to the most recently allocated block. By following b_list
5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	115 members, you can reach all early allocated blocks. */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	116 basicblock *u_blocks;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	117 basicblock u_curblock; / pointer to current block */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	118
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	119 int u_nfblocks;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	120 struct fblockinfo u_fblock[CO_MAXBLOCKS];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	121
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	122 int u_firstlineno; /* the first lineno of the block */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	123 int u_lineno; /* the lineno for the current stmt */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	124 bool u_lineno_set; /* boolean to indicate whether instr
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	125 has been generated with current lineno */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	126 };
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	127
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	128 /* 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	129
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	130 The u pointer points to the current compilation unit, while units
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	131 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	132 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	133 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	134
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	135 struct compiler {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	136 const char *c_filename;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	137 struct symtable *c_st;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	138 PyFutureFeatures c_future; / pointer to module's __future__ */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	139 PyCompilerFlags *c_flags;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	140
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	141 int c_interactive; /* true if in interactive mode */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	142 int c_nestlevel;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	143
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	144 struct compiler_unit u; / compiler state for current block */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	145 PyObject c_stack; / Python list holding compiler_unit ptrs */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	146 PyArena c_arena; / pointer to memory allocation arena */
86 a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 73 diff changeset	147 };
a6934380c6e7 "Compiling" version Guido van Rossum <guido@python.org> parents: 73 diff changeset	148
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	149 static int compiler_enter_scope(struct compiler , identifier, void , int);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	150 static void compiler_free(struct compiler *);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	151 static basicblock compiler_new_block(struct compiler );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	152 static int compiler_next_instr(struct compiler , basicblock );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	153 static int compiler_addop(struct compiler *, int);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	154 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	155 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	156 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	157 static basicblock compiler_use_new_block(struct compiler );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	158 static int compiler_error(struct compiler , const char );
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	159 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	160
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	161 static PyCodeObject compiler_mod(struct compiler , mod_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	162 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	163 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	164 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	165 static int compiler_augassign(struct compiler *, stmt_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	166 static int compiler_visit_slice(struct compiler *, slice_ty,
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	167 expr_context_ty);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	168
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	169 static int compiler_push_fblock(struct compiler *, enum fblocktype,
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	170 basicblock *);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	171 static void compiler_pop_fblock(struct compiler *, enum fblocktype,
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	172 basicblock *);
40044 9e0431fd674a Fix #1569998: no break inside try statement (outside loop) allowed. Georg Brandl <georg@python.org> parents: 40042 diff changeset	173 /* Returns true if there is a loop on the fblock stack. */
9e0431fd674a Fix #1569998: no break inside try statement (outside loop) allowed. Georg Brandl <georg@python.org> parents: 40042 diff changeset	174 static int compiler_in_loop(struct compiler *);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	175
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	176 static int inplace_binop(struct compiler *, operator_ty);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	177 static int expr_constant(expr_ty e);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	178
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	179 static int compiler_with(struct compiler *, stmt_ty);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	180
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	181 static PyCodeObject assemble(struct compiler , int addNone);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	182 static PyObject *__doc__;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	183
59998 d11fbc796499 Backported PyCapsule from 3.1, and converted most uses of Larry Hastings <larry@hastings.org> parents: 59672 diff changeset	184 #define COMPILER_CAPSULE_NAME_COMPILER_UNIT "compile.c compiler unit"
d11fbc796499 Backported PyCapsule from 3.1, and converted most uses of Larry Hastings <larry@hastings.org> parents: 59672 diff changeset	185
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	186 PyObject *
37606 f448d0075691 more low-hanging fruit to make code compile under a C++ compiler. Not Anthony Baxter <anthonybaxter@gmail.com> parents: 37558 diff changeset	187 _Py_Mangle(PyObject privateobj, PyObject ident)
33100 356887410bde Fix bug Michael W. Hudson <mwh@python.net> parents: 32977 diff changeset	188 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	189 /* Name mangling: __private becomes _classname__private.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	190 This is independent from how the name is used. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	191 const char p, name = PyString_AsString(ident);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	192 char *buffer;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	193 size_t nlen, plen;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	194 if (privateobj == NULL \|\| !PyString_Check(privateobj) \|\|
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	195 name == NULL \|\| name[0] != '_' \|\| name[1] != '_') {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	196 Py_INCREF(ident);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	197 return ident;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	198 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	199 p = PyString_AsString(privateobj);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	200 nlen = strlen(name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	201 /* Don't mangle __id__ or names with dots.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	202
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	203 The only time a name with a dot can occur is when
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	204 we are compiling an import statement that has a
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	205 package name.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	206
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	207 TODO(jhylton): Decide whether we want to support
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	208 mangling of the module name, e.g. __M.X.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	209 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	210 if ((name[nlen-1] == '_' && name[nlen-2] == '_')
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	211 \|\| strchr(name, '.')) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	212 Py_INCREF(ident);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	213 return ident; /* Don't mangle __whatever__ */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	214 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	215 /* Strip leading underscores from class name */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	216 while (*p == '_')
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	217 p++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	218 if (*p == '\0') {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	219 Py_INCREF(ident);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	220 return ident; /* Don't mangle if class is just underscores */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	221 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	222 plen = strlen(p);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	223
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	224 assert(1 <= PY_SSIZE_T_MAX - nlen);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	225 assert(1 + nlen <= PY_SSIZE_T_MAX - plen);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	226
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	227 ident = PyString_FromStringAndSize(NULL, 1 + nlen + plen);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	228 if (!ident)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	229 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	230 /* ident = "_" + p[:plen] + name # i.e. 1+plen+nlen bytes */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	231 buffer = PyString_AS_STRING(ident);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	232 buffer[0] = '_';
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	233 strncpy(buffer+1, p, plen);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	234 strcpy(buffer+1+plen, name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	235 return ident;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	236 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	237
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	238 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	239 compiler_init(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	240 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	241 memset(c, 0, sizeof(struct compiler));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	242
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	243 c->c_stack = PyList_New(0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	244 if (!c->c_stack)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	245 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	246
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	247 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	248 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	249
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	250 PyCodeObject *
36065 ea083efdc96c Merge from ast-arena. This reduces the code in Python/ast.c by ~300 lines, Neal Norwitz <nnorwitz@gmail.com> parents: 35993 diff changeset	251 PyAST_Compile(mod_ty mod, const char filename, PyCompilerFlags flags,
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	252 PyArena *arena)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	253 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	254 struct compiler c;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	255 PyCodeObject *co = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	256 PyCompilerFlags local_flags;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	257 int merged;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	258
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	259 if (!__doc__) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	260 __doc__ = PyString_InternFromString("__doc__");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	261 if (!__doc__)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	262 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	263 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	264
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	265 if (!compiler_init(&c))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	266 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	267 c.c_filename = filename;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	268 c.c_arena = arena;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	269 c.c_future = PyFuture_FromAST(mod, filename);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	270 if (c.c_future == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	271 goto finally;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	272 if (!flags) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	273 local_flags.cf_flags = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	274 flags = &local_flags;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	275 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	276 merged = c.c_future->ff_features \| flags->cf_flags;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	277 c.c_future->ff_features = merged;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	278 flags->cf_flags = merged;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	279 c.c_flags = flags;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	280 c.c_nestlevel = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	281
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	282 c.c_st = PySymtable_Build(mod, filename, c.c_future);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	283 if (c.c_st == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	284 if (!PyErr_Occurred())
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	285 PyErr_SetString(PyExc_SystemError, "no symtable");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	286 goto finally;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	287 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	288
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	289 co = compiler_mod(&c, mod);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	290
36697 78de5f6b2f67 Clarify C-style exception handling with proper label name. Thomas Wouters <thomas@python.org> parents: 36696 diff changeset	291 finally:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	292 compiler_free(&c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	293 assert(co \|\| PyErr_Occurred());
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	294 return co;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	295 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	296
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	297 PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	298 PyNode_Compile(struct _node n, const char filename)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	299 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	300 PyCodeObject *co = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	301 mod_ty mod;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	302 PyArena *arena = PyArena_New();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	303 if (!arena)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	304 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	305 mod = PyAST_FromNode(n, NULL, filename, arena);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	306 if (mod)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	307 co = PyAST_Compile(mod, filename, NULL, arena);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	308 PyArena_Free(arena);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	309 return co;
23868 8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23589 diff changeset	310 }
8e6760bf1884 SF patch 568629 by Oren Tirosh: types made callable. Guido van Rossum <guido@python.org> parents: 23589 diff changeset	311
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	312 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	313 compiler_free(struct compiler *c)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	314 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	315 if (c->c_st)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	316 PySymtable_Free(c->c_st);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	317 if (c->c_future)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	318 PyObject_Free(c->c_future);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	319 Py_DECREF(c->c_stack);
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	320 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	321
5373 5880384d7c71 Quickly renamed the remaining files -- this directory is done. Guido van Rossum <guido@python.org> parents: 5287 diff changeset	322 static PyObject *
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	323 list2dict(PyObject *list)
1399 cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	324 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	325 Py_ssize_t i, n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	326 PyObject v, k;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	327 PyObject *dict = PyDict_New();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	328 if (!dict) return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	329
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	330 n = PyList_Size(list);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	331 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	332 v = PyInt_FromLong(i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	333 if (!v) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	334 Py_DECREF(dict);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	335 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	336 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	337 k = PyList_GET_ITEM(list, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	338 k = PyTuple_Pack(2, k, k->ob_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	339 if (k == NULL \|\| PyDict_SetItem(dict, k, v) < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	340 Py_XDECREF(k);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	341 Py_DECREF(v);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	342 Py_DECREF(dict);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	343 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	344 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	345 Py_DECREF(k);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	346 Py_DECREF(v);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	347 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	348 return dict;
1399 cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	349 }
cc172ce05561 Added compare operations for functions and code objects. Guido van Rossum <guido@python.org> parents: 1369 diff changeset	350
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	351 /* 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	352
36766 1daa199b784b Tabify and reflow some long lines. Jeremy Hylton <jeremy@alum.mit.edu> parents: 36729 diff changeset	353 src is a symbol table dictionary. If the scope of a name matches
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	354 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	355 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	356 each key.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	357 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	358
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	359 static PyObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	360 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	361 {
78170 9a3861db4341 remove unused variable Meador Inge <meadori@gmail.com> parents: 78166 diff changeset	362 Py_ssize_t i = offset, scope, num_keys, key_i;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	363 PyObject k, v, *dest = PyDict_New();
78163 7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	364 PyObject *sorted_keys;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	365
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	366 assert(offset >= 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	367 if (dest == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	368 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	369
78163 7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	370 /* Sort the keys so that we have a deterministic order on the indexes
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	371 saved in the returned dictionary. These indexes are used as indexes
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	372 into the free and cell var storage. Therefore if they aren't
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	373 deterministic, then the generated bytecode is not deterministic.
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	374 */
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	375 sorted_keys = PyDict_Keys(src);
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	376 if (sorted_keys == NULL)
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	377 return NULL;
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	378 if (PyList_Sort(sorted_keys) != 0) {
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	379 Py_DECREF(sorted_keys);
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	380 return NULL;
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	381 }
78166 47e074f6ca26 Issue #15368: fixing variable typo. Meador Inge <meadori@gmail.com> parents: 78163 diff changeset	382 num_keys = PyList_GET_SIZE(sorted_keys);
78163 7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	383
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	384 for (key_i = 0; key_i < num_keys; key_i++) {
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	385 k = PyList_GET_ITEM(sorted_keys, key_i);
7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	386 v = PyDict_GetItem(src, k);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	387 /* XXX this should probably be a macro in symtable.h */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	388 assert(PyInt_Check(v));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	389 scope = (PyInt_AS_LONG(v) >> SCOPE_OFF) & SCOPE_MASK;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	390
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	391 if (scope == scope_type \|\| PyInt_AS_LONG(v) & flag) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	392 PyObject tuple, item = PyInt_FromLong(i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	393 if (item == NULL) {
78163 7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	394 Py_DECREF(sorted_keys);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	395 Py_DECREF(dest);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	396 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	397 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	398 i++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	399 tuple = PyTuple_Pack(2, k, k->ob_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	400 if (!tuple \|\| PyDict_SetItem(dest, tuple, item) < 0) {
78163 7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	401 Py_DECREF(sorted_keys);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	402 Py_DECREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	403 Py_DECREF(dest);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	404 Py_XDECREF(tuple);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	405 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	406 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	407 Py_DECREF(item);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	408 Py_DECREF(tuple);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	409 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	410 }
78163 7eb0180c1734 Issue #15368: make bytecode generation deterministic. Meador Inge <meadori@gmail.com> parents: 73143 diff changeset	411 Py_DECREF(sorted_keys);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	412 return dest;
31728 6509354e7876 Improve byte coding for multiple assignments. Raymond Hettinger <python@rcn.com> parents: 31618 diff changeset	413 }
28406 733729261c41 SF patch #707257: Improve code generation Raymond Hettinger <python@rcn.com> parents: 28402 diff changeset	414
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	415 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	416 compiler_unit_check(struct compiler_unit *u)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	417 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	418 basicblock *block;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	419 for (block = u->u_blocks; block != NULL; block = block->b_list) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	420 assert((void )block != (void )0xcbcbcbcb);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	421 assert((void )block != (void )0xfbfbfbfb);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	422 assert((void )block != (void )0xdbdbdbdb);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	423 if (block->b_instr != NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	424 assert(block->b_ialloc > 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	425 assert(block->b_iused > 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	426 assert(block->b_ialloc >= block->b_iused);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	427 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	428 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	429 assert (block->b_iused == 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	430 assert (block->b_ialloc == 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	431 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	432 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	433 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	434
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	435 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	436 compiler_unit_free(struct compiler_unit *u)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	437 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	438 basicblock b, next;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	439
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	440 compiler_unit_check(u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	441 b = u->u_blocks;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	442 while (b != NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	443 if (b->b_instr)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	444 PyObject_Free((void *)b->b_instr);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	445 next = b->b_list;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	446 PyObject_Free((void *)b);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	447 b = next;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	448 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	449 Py_CLEAR(u->u_ste);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	450 Py_CLEAR(u->u_name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	451 Py_CLEAR(u->u_consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	452 Py_CLEAR(u->u_names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	453 Py_CLEAR(u->u_varnames);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	454 Py_CLEAR(u->u_freevars);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	455 Py_CLEAR(u->u_cellvars);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	456 Py_CLEAR(u->u_private);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	457 PyObject_Free(u);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	458 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	459
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	460 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	461 compiler_enter_scope(struct compiler c, identifier name, void key,
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	462 int lineno)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	463 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	464 struct compiler_unit *u;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	466 u = (struct compiler_unit *)PyObject_Malloc(sizeof(
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	467 struct compiler_unit));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	468 if (!u) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	469 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	470 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	471 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	472 memset(u, 0, sizeof(struct compiler_unit));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	473 u->u_argcount = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	474 u->u_ste = PySymtable_Lookup(c->c_st, key);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	475 if (!u->u_ste) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	476 compiler_unit_free(u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	477 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	478 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	479 Py_INCREF(name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	480 u->u_name = name;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	481 u->u_varnames = list2dict(u->u_ste->ste_varnames);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	482 u->u_cellvars = dictbytype(u->u_ste->ste_symbols, CELL, 0, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	483 if (!u->u_varnames \|\| !u->u_cellvars) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	484 compiler_unit_free(u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	485 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	486 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	487
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	488 u->u_freevars = dictbytype(u->u_ste->ste_symbols, FREE, DEF_FREE_CLASS,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	489 PyDict_Size(u->u_cellvars));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	490 if (!u->u_freevars) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	491 compiler_unit_free(u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	492 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	493 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	494
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	495 u->u_blocks = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	496 u->u_nfblocks = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	497 u->u_firstlineno = lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	498 u->u_lineno = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	499 u->u_lineno_set = false;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	500 u->u_consts = PyDict_New();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	501 if (!u->u_consts) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	502 compiler_unit_free(u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	503 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	504 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	505 u->u_names = PyDict_New();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	506 if (!u->u_names) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	507 compiler_unit_free(u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	508 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	509 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	510
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	511 u->u_private = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	512
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	513 /* Push the old compiler_unit on the stack. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	514 if (c->u) {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	515 PyObject *capsule = PyCapsule_New(c->u, COMPILER_CAPSULE_NAME_COMPILER_UNIT, NULL);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	516 if (!capsule \|\| PyList_Append(c->c_stack, capsule) < 0) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	517 Py_XDECREF(capsule);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	518 compiler_unit_free(u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	519 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	520 }
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	521 Py_DECREF(capsule);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	522 u->u_private = c->u->u_private;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	523 Py_XINCREF(u->u_private);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	524 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	525 c->u = u;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	526
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	527 c->c_nestlevel++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	528 if (compiler_use_new_block(c) == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	529 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	530
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	531 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	532 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	533
35797 3778083fe2c8 Ensure that compiler_exit_scope() is called as necessary to free memory Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 35790 diff changeset	534 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	535 compiler_exit_scope(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	536 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	537 int n;
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	538 PyObject *capsule;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	539
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	540 c->c_nestlevel--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	541 compiler_unit_free(c->u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	542 /* Restore c->u to the parent unit. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	543 n = PyList_GET_SIZE(c->c_stack) - 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	544 if (n >= 0) {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	545 capsule = PyList_GET_ITEM(c->c_stack, n);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	546 c->u = (struct compiler_unit *)PyCapsule_GetPointer(capsule, COMPILER_CAPSULE_NAME_COMPILER_UNIT);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	547 assert(c->u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	548 /* we are deleting from a list so this really shouldn't fail */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	549 if (PySequence_DelItem(c->c_stack, n) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	550 Py_FatalError("compiler_exit_scope()");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	551 compiler_unit_check(c->u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	552 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	553 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	554 c->u = NULL;
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 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	557
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	558 /* 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	559 Returns NULL on error.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	560 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	561
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	562 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	563 compiler_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	564 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	565 basicblock *b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	566 struct compiler_unit *u;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	567
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	568 u = c->u;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	569 b = (basicblock *)PyObject_Malloc(sizeof(basicblock));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	570 if (b == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	571 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	572 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	573 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	574 memset((void *)b, 0, sizeof(basicblock));
37390 5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	575 /* Extend the singly linked list of blocks with new block. */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	576 b->b_list = u->u_blocks;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	577 u->u_blocks = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	578 return b;
35742 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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	581 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	582 compiler_use_new_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	583 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	584 basicblock *block = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	585 if (block == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	586 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	587 c->u->u_curblock = block;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	588 return block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	589 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	590
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	591 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	592 compiler_next_block(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	593 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	594 basicblock *block = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	595 if (block == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	596 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	597 c->u->u_curblock->b_next = block;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	598 c->u->u_curblock = block;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	599 return block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	600 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	601
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	602 static basicblock *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	603 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	604 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	605 assert(block != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	606 c->u->u_curblock->b_next = block;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	607 c->u->u_curblock = block;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	608 return block;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	609 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	610
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	611 /* 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	612 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	613 Returns -1 on failure.
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	614 */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	615
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	616 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	617 compiler_next_instr(struct compiler c, basicblock b)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	618 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	619 assert(b != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	620 if (b->b_instr == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	621 b->b_instr = (struct instr *)PyObject_Malloc(
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	622 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	623 if (b->b_instr == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	624 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	625 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	626 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	627 b->b_ialloc = DEFAULT_BLOCK_SIZE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	628 memset((char *)b->b_instr, 0,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	629 sizeof(struct instr) * DEFAULT_BLOCK_SIZE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	630 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	631 else if (b->b_iused == b->b_ialloc) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	632 struct instr *tmp;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	633 size_t oldsize, newsize;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	634 oldsize = b->b_ialloc * sizeof(struct instr);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	635 newsize = oldsize << 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	636
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	637 if (oldsize > (PY_SIZE_MAX >> 1)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	638 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	639 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	640 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	641
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	642 if (newsize == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	643 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	644 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	645 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	646 b->b_ialloc <<= 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	647 tmp = (struct instr *)PyObject_Realloc(
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	648 (void *)b->b_instr, newsize);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	649 if (tmp == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	650 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	651 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	652 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	653 b->b_instr = tmp;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	654 memset((char *)b->b_instr + oldsize, 0, newsize - oldsize);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	655 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	656 return b->b_iused++;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	657 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	658
45155 86602b603462 backport of r60575 (issue #1750076): Debugger did not step on every iteration of a while statement. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44931 diff changeset	659 /* Set the i_lineno member of the instruction at offset off if the
86602b603462 backport of r60575 (issue #1750076): Debugger did not step on every iteration of a while statement. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44931 diff changeset	660 line number for the current expression/statement has not
37390 5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	661 already been set. If it has been set, the call has no effect.
5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	662
45155 86602b603462 backport of r60575 (issue #1750076): Debugger did not step on every iteration of a while statement. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44931 diff changeset	663 The line number is reset in the following cases:
86602b603462 backport of r60575 (issue #1750076): Debugger did not step on every iteration of a while statement. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44931 diff changeset	664 - when entering a new scope
86602b603462 backport of r60575 (issue #1750076): Debugger did not step on every iteration of a while statement. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44931 diff changeset	665 - on each statement
86602b603462 backport of r60575 (issue #1750076): Debugger did not step on every iteration of a while statement. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44931 diff changeset	666 - on each expression that start a new line
86602b603462 backport of r60575 (issue #1750076): Debugger did not step on every iteration of a while statement. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44931 diff changeset	667 - before the "except" clause
86602b603462 backport of r60575 (issue #1750076): Debugger did not step on every iteration of a while statement. Amaury Forgeot d'Arc <amauryfa@gmail.com> parents: 44931 diff changeset	668 - before the "for" and "while" expressions
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	669 */
37390 5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	670
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	671 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	672 compiler_set_lineno(struct compiler *c, int off)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	673 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	674 basicblock *b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	675 if (c->u->u_lineno_set)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	676 return;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	677 c->u->u_lineno_set = true;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	678 b = c->u->u_curblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	679 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	680 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	681
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	682 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	683 opcode_stack_effect(int opcode, int oparg)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	684 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	685 switch (opcode) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	686 case POP_TOP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	687 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	688 case ROT_TWO:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	689 case ROT_THREE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	690 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	691 case DUP_TOP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	692 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	693 case ROT_FOUR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	694 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	695
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	696 case UNARY_POSITIVE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	697 case UNARY_NEGATIVE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	698 case UNARY_NOT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	699 case UNARY_CONVERT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	700 case UNARY_INVERT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	701 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	702
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	703 case SET_ADD:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	704 case LIST_APPEND:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	705 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	706
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	707 case MAP_ADD:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	708 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	709
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	710 case BINARY_POWER:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	711 case BINARY_MULTIPLY:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	712 case BINARY_DIVIDE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	713 case BINARY_MODULO:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	714 case BINARY_ADD:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	715 case BINARY_SUBTRACT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	716 case BINARY_SUBSCR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	717 case BINARY_FLOOR_DIVIDE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	718 case BINARY_TRUE_DIVIDE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	719 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	720 case INPLACE_FLOOR_DIVIDE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	721 case INPLACE_TRUE_DIVIDE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	722 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	723
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	724 case SLICE+0:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	725 return 0;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	726 case SLICE+1:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	727 return -1;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	728 case SLICE+2:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	729 return -1;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	730 case SLICE+3:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	731 return -2;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	732
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	733 case STORE_SLICE+0:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	734 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	735 case STORE_SLICE+1:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	736 return -3;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	737 case STORE_SLICE+2:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	738 return -3;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	739 case STORE_SLICE+3:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	740 return -4;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	741
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	742 case DELETE_SLICE+0:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	743 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	744 case DELETE_SLICE+1:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	745 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	746 case DELETE_SLICE+2:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	747 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	748 case DELETE_SLICE+3:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	749 return -3;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	750
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	751 case INPLACE_ADD:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	752 case INPLACE_SUBTRACT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	753 case INPLACE_MULTIPLY:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	754 case INPLACE_DIVIDE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	755 case INPLACE_MODULO:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	756 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	757 case STORE_SUBSCR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	758 return -3;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	759 case STORE_MAP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	760 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	761 case DELETE_SUBSCR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	762 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	763
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	764 case BINARY_LSHIFT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	765 case BINARY_RSHIFT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	766 case BINARY_AND:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	767 case BINARY_XOR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	768 case BINARY_OR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	769 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	770 case INPLACE_POWER:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	771 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	772 case GET_ITER:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	773 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	774
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	775 case PRINT_EXPR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	776 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	777 case PRINT_ITEM:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	778 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	779 case PRINT_NEWLINE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	780 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	781 case PRINT_ITEM_TO:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	782 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	783 case PRINT_NEWLINE_TO:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	784 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	785 case INPLACE_LSHIFT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	786 case INPLACE_RSHIFT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	787 case INPLACE_AND:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	788 case INPLACE_XOR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	789 case INPLACE_OR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	790 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	791 case BREAK_LOOP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	792 return 0;
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	793 case SETUP_WITH:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	794 return 4;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	795 case WITH_CLEANUP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	796 return -1; /* XXX Sometimes more */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	797 case LOAD_LOCALS:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	798 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	799 case RETURN_VALUE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	800 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	801 case IMPORT_STAR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	802 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	803 case EXEC_STMT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	804 return -3;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	805 case YIELD_VALUE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	806 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	807
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	808 case POP_BLOCK:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	809 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	810 case END_FINALLY:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	811 return -3; /* or -1 or -2 if no exception occurred or
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	812 return/break/continue */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	813 case BUILD_CLASS:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	814 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	815
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	816 case STORE_NAME:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	817 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	818 case DELETE_NAME:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	819 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	820 case UNPACK_SEQUENCE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	821 return oparg-1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	822 case FOR_ITER:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	823 return 1; /* or -1, at end of iterator */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	824
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	825 case STORE_ATTR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	826 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	827 case DELETE_ATTR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	828 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	829 case STORE_GLOBAL:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	830 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	831 case DELETE_GLOBAL:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	832 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	833 case DUP_TOPX:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	834 return oparg;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	835 case LOAD_CONST:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	836 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	837 case LOAD_NAME:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	838 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	839 case BUILD_TUPLE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	840 case BUILD_LIST:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	841 case BUILD_SET:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	842 return 1-oparg;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	843 case BUILD_MAP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	844 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	845 case LOAD_ATTR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	846 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	847 case COMPARE_OP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	848 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	849 case IMPORT_NAME:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	850 return -1;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	851 case IMPORT_FROM:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	852 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	853
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	854 case JUMP_FORWARD:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	855 case JUMP_IF_TRUE_OR_POP: /* -1 if jump not taken */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	856 case JUMP_IF_FALSE_OR_POP: /* "" */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	857 case JUMP_ABSOLUTE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	858 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	859
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	860 case POP_JUMP_IF_FALSE:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	861 case POP_JUMP_IF_TRUE:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	862 return -1;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	863
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	864 case LOAD_GLOBAL:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	865 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	866
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	867 case CONTINUE_LOOP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	868 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	869 case SETUP_LOOP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	870 case SETUP_EXCEPT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	871 case SETUP_FINALLY:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	872 return 0;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	873
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	874 case LOAD_FAST:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	875 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	876 case STORE_FAST:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	877 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	878 case DELETE_FAST:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	879 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	880
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	881 case RAISE_VARARGS:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	882 return -oparg;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	883 #define NARGS(o) (((o) % 256) + 2*((o) / 256))
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	884 case CALL_FUNCTION:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	885 return -NARGS(oparg);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	886 case CALL_FUNCTION_VAR:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	887 case CALL_FUNCTION_KW:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	888 return -NARGS(oparg)-1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	889 case CALL_FUNCTION_VAR_KW:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	890 return -NARGS(oparg)-2;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	891 #undef NARGS
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	892 case MAKE_FUNCTION:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	893 return -oparg;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	894 case BUILD_SLICE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	895 if (oparg == 3)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	896 return -2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	897 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	898 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	899
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	900 case MAKE_CLOSURE:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	901 return -oparg-1;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	902 case LOAD_CLOSURE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	903 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	904 case LOAD_DEREF:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	905 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	906 case STORE_DEREF:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	907 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	908 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	909 fprintf(stderr, "opcode = %d\n", opcode);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	910 Py_FatalError("opcode_stack_effect()");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	911
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	912 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	913 return 0; /* not reachable */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	914 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	915
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	916 /* Add an opcode with no argument.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	917 Returns 0 on failure, 1 on success.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	918 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	919
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	920 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	921 compiler_addop(struct compiler *c, int opcode)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	922 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	923 basicblock *b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	924 struct instr *i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	925 int off;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	926 off = compiler_next_instr(c, c->u->u_curblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	927 if (off < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	928 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	929 b = c->u->u_curblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	930 i = &b->b_instr[off];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	931 i->i_opcode = opcode;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	932 i->i_hasarg = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	933 if (opcode == RETURN_VALUE)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	934 b->b_return = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	935 compiler_set_lineno(c, off);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	936 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	937 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	938
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	939 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	940 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	941 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	942 PyObject t, v;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	943 Py_ssize_t arg;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	944 double d;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	945
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	946 /* necessary to make sure types aren't coerced (e.g., int and long) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	947 /* _and_ to distinguish 0.0 from -0.0 e.g. on IEEE platforms */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	948 if (PyFloat_Check(o)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	949 d = PyFloat_AS_DOUBLE(o);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	950 /* all we need is to make the tuple different in either the 0.0
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	951 * or -0.0 case from all others, just to avoid the "coercion".
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	952 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	953 if (d == 0.0 && copysign(1.0, d) < 0.0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	954 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	955 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	956 t = PyTuple_Pack(2, o, o->ob_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	957 }
56843 1c32b95fe578 Merged revisions 75440 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47587 diff changeset	958 #ifndef WITHOUT_COMPLEX
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	959 else if (PyComplex_Check(o)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	960 Py_complex z;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	961 int real_negzero, imag_negzero;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	962 /* For the complex case we must make complex(x, 0.)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	963 different from complex(x, -0.) and complex(0., y)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	964 different from complex(-0., y), for any x and y.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	965 All four complex zeros must be distinguished.*/
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	966 z = PyComplex_AsCComplex(o);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	967 real_negzero = z.real == 0.0 && copysign(1.0, z.real) < 0.0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	968 imag_negzero = z.imag == 0.0 && copysign(1.0, z.imag) < 0.0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	969 if (real_negzero && imag_negzero) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	970 t = PyTuple_Pack(5, o, o->ob_type,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	971 Py_None, Py_None, Py_None);
45076 3f16ac915214 Issue #1678380. Fix a bug that identifies 0j and -0j when they appear Mark Dickinson <dickinsm@gmail.com> parents: 45028 diff changeset	972 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	973 else if (imag_negzero) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	974 t = PyTuple_Pack(4, o, o->ob_type, Py_None, Py_None);
44865 8103f0198967 Issue 1678380: fix a bug identifying -0.0 and 0.0 Mark Dickinson <dickinsm@gmail.com> parents: 43403 diff changeset	975 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	976 else if (real_negzero) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	977 t = PyTuple_Pack(3, o, o->ob_type, Py_None);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	978 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	979 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	980 t = PyTuple_Pack(2, o, o->ob_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	981 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	982 }
56843 1c32b95fe578 Merged revisions 75440 via svnmerge from Mark Dickinson <dickinsm@gmail.com> parents: 47587 diff changeset	983 #endif /* WITHOUT_COMPLEX */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	984 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	985 t = PyTuple_Pack(2, o, o->ob_type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	986 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	987 if (t == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	988 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	989
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	990 v = PyDict_GetItem(dict, t);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	991 if (!v) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	992 arg = PyDict_Size(dict);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	993 v = PyInt_FromLong(arg);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	994 if (!v) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	995 Py_DECREF(t);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	996 return -1;
42704 092f02cf018f Fix compile.c so that it records 0.0 and -0.0 as separate constants in a code Alex Martelli <aleaxit@gmail.com> parents: 41930 diff changeset	997 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	998 if (PyDict_SetItem(dict, t, v) < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	999 Py_DECREF(t);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1000 Py_DECREF(v);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1001 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1002 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1003 Py_DECREF(v);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1004 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1005 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1006 arg = PyInt_AsLong(v);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1007 Py_DECREF(t);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1008 return arg;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1009 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1010
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1011 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1012 compiler_addop_o(struct compiler c, int opcode, PyObject dict,
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1013 PyObject *o)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1014 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1015 int arg = compiler_add_o(c, dict, o);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1016 if (arg < 0)
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	1017 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1018 return compiler_addop_i(c, opcode, arg);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1019 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1020
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1021 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1022 compiler_addop_name(struct compiler c, int opcode, PyObject dict,
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1023 PyObject *o)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1024 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1025 int arg;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1026 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	1027 if (!mangled)
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	1028 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1029 arg = compiler_add_o(c, dict, mangled);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1030 Py_DECREF(mangled);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1031 if (arg < 0)
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	1032 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1033 return compiler_addop_i(c, opcode, arg);
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1034 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1035
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1036 /* Add an opcode with an integer argument.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1037 Returns 0 on failure, 1 on success.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1038 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1039
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1040 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1041 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	1042 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1043 struct instr *i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1044 int off;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1045 off = compiler_next_instr(c, c->u->u_curblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1046 if (off < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1047 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1048 i = &c->u->u_curblock->b_instr[off];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1049 i->i_opcode = opcode;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1050 i->i_oparg = oparg;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1051 i->i_hasarg = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1052 compiler_set_lineno(c, off);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1053 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1054 }
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 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1057 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	1058 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1059 struct instr *i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1060 int off;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1061
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1062 assert(b != NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1063 off = compiler_next_instr(c, c->u->u_curblock);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1064 if (off < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1065 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1066 i = &c->u->u_curblock->b_instr[off];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1067 i->i_opcode = opcode;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1068 i->i_target = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1069 i->i_hasarg = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1070 if (absolute)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1071 i->i_jabs = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1072 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1073 i->i_jrel = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1074 compiler_set_lineno(c, off);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1075 return 1;
35742 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
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1078 /* The distinction between NEW_BLOCK and NEXT_BLOCK is subtle. (I'd
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1079 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	1080 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	1081 from the current block to the new block.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1082 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1083
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	1084 /* The returns inside these macros make it impossible to decref objects
c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	1085 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	1086 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1087
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1088
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1089 #define NEW_BLOCK(C) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1090 if (compiler_use_new_block((C)) == NULL) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1091 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1092 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1093
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1094 #define NEXT_BLOCK(C) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1095 if (compiler_next_block((C)) == NULL) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1096 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1097 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1098
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1099 #define ADDOP(C, OP) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1100 if (!compiler_addop((C), (OP))) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1101 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1102 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1103
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1104 #define ADDOP_IN_SCOPE(C, OP) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1105 if (!compiler_addop((C), (OP))) { \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1106 compiler_exit_scope(c); \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1107 return 0; \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1108 } \
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1109 }
79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1110
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1111 #define ADDOP_O(C, OP, O, TYPE) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1112 if (!compiler_addop_o((C), (OP), (C)->u->u_ ## TYPE, (O))) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1113 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1114 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1115
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1116 #define ADDOP_NAME(C, OP, O, TYPE) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1117 if (!compiler_addop_name((C), (OP), (C)->u->u_ ## TYPE, (O))) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1118 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1119 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1120
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1121 #define ADDOP_I(C, OP, O) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1122 if (!compiler_addop_i((C), (OP), (O))) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1123 return 0; \
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1124 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1125
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1126 #define ADDOP_JABS(C, OP, O) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1127 if (!compiler_addop_j((C), (OP), (O), 1)) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1128 return 0; \
35742 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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1131 #define ADDOP_JREL(C, OP, O) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1132 if (!compiler_addop_j((C), (OP), (O), 0)) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1133 return 0; \
35742 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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1136 /* 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	1137 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	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 VISIT(C, TYPE, V) {\
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1141 if (!compiler_visit_ ## TYPE((C), (V))) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 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 VISIT_IN_SCOPE(C, TYPE, V) {\
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1146 if (!compiler_visit_ ## TYPE((C), (V))) { \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1147 compiler_exit_scope(c); \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1148 return 0; \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 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 VISIT_SLICE(C, V, CTX) {\
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1153 if (!compiler_visit_slice((C), (V), (CTX))) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 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 VISIT_SEQ(C, TYPE, SEQ) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1158 int _i; \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1159 asdl_seq seq = (SEQ); / avoid variable capture */ \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1160 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1161 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, _i); \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1162 if (!compiler_visit_ ## TYPE((C), elt)) \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1163 return 0; \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1164 } \
37606 f448d0075691 more low-hanging fruit to make code compile under a C++ compiler. Not Anthony Baxter <anthonybaxter@gmail.com> parents: 37558 diff changeset	1165 }
f448d0075691 more low-hanging fruit to make code compile under a C++ compiler. Not Anthony Baxter <anthonybaxter@gmail.com> parents: 37558 diff changeset	1166
35863 79f2ce320192 Fix a lot of memory and ref leaks in error paths. Neal Norwitz <nnorwitz@gmail.com> parents: 35860 diff changeset	1167 #define VISIT_SEQ_IN_SCOPE(C, TYPE, SEQ) { \
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1168 int _i; \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1169 asdl_seq seq = (SEQ); / avoid variable capture */ \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1170 for (_i = 0; _i < asdl_seq_LEN(seq); _i++) { \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1171 TYPE ## _ty elt = (TYPE ## _ty)asdl_seq_GET(seq, _i); \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1172 if (!compiler_visit_ ## TYPE((C), elt)) { \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1173 compiler_exit_scope(c); \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1174 return 0; \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1175 } \
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1176 } \
37606 f448d0075691 more low-hanging fruit to make code compile under a C++ compiler. Not Anthony Baxter <anthonybaxter@gmail.com> parents: 37558 diff changeset	1177 }
f448d0075691 more low-hanging fruit to make code compile under a C++ compiler. Not Anthony Baxter <anthonybaxter@gmail.com> parents: 37558 diff changeset	1178
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1179 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1180 compiler_isdocstring(stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1181 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1182 if (s->kind != Expr_kind)
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	1183 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1184 return s->v.Expr.value->kind == Str_kind;
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1185 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1186
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1187 /* 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	1188
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1189 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1190 compiler_body(struct compiler c, asdl_seq stmts)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1191 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1192 int i = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1193 stmt_ty st;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1194
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1195 if (!asdl_seq_LEN(stmts))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1196 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1197 st = (stmt_ty)asdl_seq_GET(stmts, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1198 if (compiler_isdocstring(st) && Py_OptimizeFlag < 2) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1199 /* don't generate docstrings if -OO */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1200 i = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1201 VISIT(c, expr, st->v.Expr.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1202 if (!compiler_nameop(c, __doc__, Store))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1203 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1204 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1205 for (; i < asdl_seq_LEN(stmts); i++)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1206 VISIT(c, stmt, (stmt_ty)asdl_seq_GET(stmts, i));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1207 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1208 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1209
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1210 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1211 compiler_mod(struct compiler *c, mod_ty mod)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1212 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1213 PyCodeObject *co;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1214 int addNone = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1215 static PyObject *module;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1216 if (!module) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1217 module = PyString_InternFromString("<module>");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1218 if (!module)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1219 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1220 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1221 /* Use 0 for firstlineno initially, will fixup in assemble(). */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1222 if (!compiler_enter_scope(c, module, mod, 0))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1223 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1224 switch (mod->kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1225 case Module_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1226 if (!compiler_body(c, mod->v.Module.body)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1227 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1228 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1229 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1230 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1231 case Interactive_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1232 c->c_interactive = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1233 VISIT_SEQ_IN_SCOPE(c, stmt,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1234 mod->v.Interactive.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1235 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1236 case Expression_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1237 VISIT_IN_SCOPE(c, expr, mod->v.Expression.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1238 addNone = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1239 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1240 case Suite_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1241 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1242 "suite should not be possible");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1243 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1244 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1245 PyErr_Format(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1246 "module kind %d should not be possible",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1247 mod->kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1248 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1249 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1250 co = assemble(c, addNone);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1251 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1252 return co;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1253 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1254
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1255 /* 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	1256 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	1257 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	1258 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1259
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1260 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1261 get_ref_type(struct compiler c, PyObject name)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1262 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1263 int scope = PyST_GetScope(c->u->u_ste, name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1264 if (scope == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1265 char buf[350];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1266 PyOS_snprintf(buf, sizeof(buf),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1267 "unknown scope for %.100s in %.100s(%s) in %s\n"
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1268 "symbols: %s\nlocals: %s\nglobals: %s",
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1269 PyString_AS_STRING(name),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1270 PyString_AS_STRING(c->u->u_name),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1271 PyObject_REPR(c->u->u_ste->ste_id),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1272 c->c_filename,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1273 PyObject_REPR(c->u->u_ste->ste_symbols),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1274 PyObject_REPR(c->u->u_varnames),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1275 PyObject_REPR(c->u->u_names)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1276 );
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1277 Py_FatalError(buf);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1278 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1279
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1280 return scope;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1281 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1282
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1283 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1284 compiler_lookup_arg(PyObject dict, PyObject name)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1285 {
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1286 PyObject k, v;
38406 8f7c7aeac3a5 Replace Py_BuildValue("OO") by PyTuple_Pack. Georg Brandl <georg@python.org> parents: 38084 diff changeset	1287 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	1288 if (k == NULL)
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	1289 return -1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1290 v = PyDict_GetItem(dict, k);
35939 79374eb6db51 Fix a few more ref leaks. Backport candidate Neal Norwitz <nnorwitz@gmail.com> parents: 35895 diff changeset	1291 Py_DECREF(k);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1292 if (v == NULL)
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	1293 return -1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1294 return PyInt_AS_LONG(v);
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
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1297 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1298 compiler_make_closure(struct compiler c, PyCodeObject co, int args)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1299 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1300 int i, free = PyCode_GetNumFree(co);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1301 if (free == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1302 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1303 ADDOP_I(c, MAKE_FUNCTION, args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1304 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1305 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1306 for (i = 0; i < free; ++i) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1307 /* Bypass com_addop_varname because it will generate
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1308 LOAD_DEREF but LOAD_CLOSURE is needed.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1309 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1310 PyObject *name = PyTuple_GET_ITEM(co->co_freevars, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1311 int arg, reftype;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1312
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1313 /* Special case: If a class contains a method with a
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1314 free variable that has the same name as a method,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1315 the name will be considered free and local in the
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1316 class. It should be handled by the closure, as
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1317 well as by the normal name loookup logic.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1318 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1319 reftype = get_ref_type(c, name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1320 if (reftype == CELL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1321 arg = compiler_lookup_arg(c->u->u_cellvars, name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1322 else /* (reftype == FREE) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1323 arg = compiler_lookup_arg(c->u->u_freevars, name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1324 if (arg == -1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1325 printf("lookup %s in %s %d %d\n"
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1326 "freevars of %s: %s\n",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1327 PyObject_REPR(name),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1328 PyString_AS_STRING(c->u->u_name),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1329 reftype, arg,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1330 PyString_AS_STRING(co->co_name),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1331 PyObject_REPR(co->co_freevars));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1332 Py_FatalError("compiler_make_closure()");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1333 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1334 ADDOP_I(c, LOAD_CLOSURE, arg);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1335 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1336 ADDOP_I(c, BUILD_TUPLE, free);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1337 ADDOP_O(c, LOAD_CONST, (PyObject*)co, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1338 ADDOP_I(c, MAKE_CLOSURE, args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1339 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1340 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1341
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1342 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1343 compiler_decorators(struct compiler c, asdl_seq decos)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1344 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1345 int i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1346
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1347 if (!decos)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1348 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1349
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1350 for (i = 0; i < asdl_seq_LEN(decos); i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1351 VISIT(c, expr, (expr_ty)asdl_seq_GET(decos, i));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1352 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1353 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1354 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1355
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1356 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1357 compiler_arguments(struct compiler *c, arguments_ty args)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1358 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1359 int i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1360 int n = asdl_seq_LEN(args->args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1361 /* Correctly handle nested argument lists */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1362 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1363 expr_ty arg = (expr_ty)asdl_seq_GET(args->args, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1364 if (arg->kind == Tuple_kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1365 PyObject *id = PyString_FromFormat(".%d", i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1366 if (id == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1367 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1368 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1369 if (!compiler_nameop(c, id, Load)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1370 Py_DECREF(id);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1371 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1372 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1373 Py_DECREF(id);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1374 VISIT(c, expr, arg);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1375 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1376 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1377 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1378 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1379
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1380 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1381 compiler_function(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1382 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1383 PyCodeObject *co;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1384 PyObject *first_const = Py_None;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1385 arguments_ty args = s->v.FunctionDef.args;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1386 asdl_seq* decos = s->v.FunctionDef.decorator_list;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1387 stmt_ty st;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1388 int i, n, docstring;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1389
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1390 assert(s->kind == FunctionDef_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1391
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1392 if (!compiler_decorators(c, decos))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1393 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1394 if (args->defaults)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1395 VISIT_SEQ(c, expr, args->defaults);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1396 if (!compiler_enter_scope(c, s->v.FunctionDef.name, (void *)s,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1397 s->lineno))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1398 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1399
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1400 st = (stmt_ty)asdl_seq_GET(s->v.FunctionDef.body, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1401 docstring = compiler_isdocstring(st);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1402 if (docstring && Py_OptimizeFlag < 2)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1403 first_const = st->v.Expr.value->v.Str.s;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1404 if (compiler_add_o(c, c->u->u_consts, first_const) < 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1405 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1406 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1407 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1408
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1409 /* unpack nested arguments */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1410 compiler_arguments(c, args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1411
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1412 c->u->u_argcount = asdl_seq_LEN(args->args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1413 n = asdl_seq_LEN(s->v.FunctionDef.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1414 /* if there was a docstring, we need to skip the first statement */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1415 for (i = docstring; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1416 st = (stmt_ty)asdl_seq_GET(s->v.FunctionDef.body, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1417 VISIT_IN_SCOPE(c, stmt, st);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1418 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1419 co = assemble(c, 1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1420 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1421 if (co == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1422 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1423
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1424 compiler_make_closure(c, co, asdl_seq_LEN(args->defaults));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1425 Py_DECREF(co);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1426
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1427 for (i = 0; i < asdl_seq_LEN(decos); i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1428 ADDOP_I(c, CALL_FUNCTION, 1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1429 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1430
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1431 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	1432 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1433
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1434 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1435 compiler_class(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1436 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1437 int n, i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1438 PyCodeObject *co;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1439 PyObject *str;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1440 asdl_seq* decos = s->v.ClassDef.decorator_list;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1441
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1442 if (!compiler_decorators(c, decos))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1443 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1444
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1445 /* push class name on stack, needed by BUILD_CLASS */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1446 ADDOP_O(c, LOAD_CONST, s->v.ClassDef.name, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1447 /* push the tuple of base classes on the stack */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1448 n = asdl_seq_LEN(s->v.ClassDef.bases);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1449 if (n > 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1450 VISIT_SEQ(c, expr, s->v.ClassDef.bases);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1451 ADDOP_I(c, BUILD_TUPLE, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1452 if (!compiler_enter_scope(c, s->v.ClassDef.name, (void *)s,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1453 s->lineno))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1454 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1455 Py_XDECREF(c->u->u_private);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1456 c->u->u_private = s->v.ClassDef.name;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1457 Py_INCREF(c->u->u_private);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1458 str = PyString_InternFromString("__name__");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1459 if (!str \|\| !compiler_nameop(c, str, Load)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1460 Py_XDECREF(str);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1461 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1462 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1463 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1464
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1465 Py_DECREF(str);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1466 str = PyString_InternFromString("__module__");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1467 if (!str \|\| !compiler_nameop(c, str, Store)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1468 Py_XDECREF(str);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1469 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1470 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1471 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1472 Py_DECREF(str);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1473
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1474 if (!compiler_body(c, s->v.ClassDef.body)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1475 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1476 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1477 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1478
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1479 ADDOP_IN_SCOPE(c, LOAD_LOCALS);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1480 ADDOP_IN_SCOPE(c, RETURN_VALUE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1481 co = assemble(c, 1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1482 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1483 if (co == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1484 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1485
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1486 compiler_make_closure(c, co, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1487 Py_DECREF(co);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1488
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1489 ADDOP_I(c, CALL_FUNCTION, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1490 ADDOP(c, BUILD_CLASS);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1491 /* apply decorators */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1492 for (i = 0; i < asdl_seq_LEN(decos); i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1493 ADDOP_I(c, CALL_FUNCTION, 1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1494 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1495 if (!compiler_nameop(c, s->v.ClassDef.name, Store))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1496 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1497 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1498 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1499
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1500 static int
36666 6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1501 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	1502 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1503 basicblock end, next;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1504
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1505 assert(e->kind == IfExp_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1506 end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1507 if (end == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1508 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1509 next = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1510 if (next == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1511 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1512 VISIT(c, expr, e->v.IfExp.test);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1513 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1514 VISIT(c, expr, e->v.IfExp.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1515 ADDOP_JREL(c, JUMP_FORWARD, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1516 compiler_use_next_block(c, next);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1517 VISIT(c, expr, e->v.IfExp.orelse);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1518 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1519 return 1;
36666 6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1520 }
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1521
6165927431d6 PEP 308 implementation, including minor refdocs and some testcases. It Thomas Wouters <thomas@python.org> parents: 36501 diff changeset	1522 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1523 compiler_lambda(struct compiler *c, expr_ty e)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	1524 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1525 PyCodeObject *co;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1526 static identifier name;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1527 arguments_ty args = e->v.Lambda.args;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1528 assert(e->kind == Lambda_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1529
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1530 if (!name) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1531 name = PyString_InternFromString("<lambda>");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1532 if (!name)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1533 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1534 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1535
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1536 if (args->defaults)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1537 VISIT_SEQ(c, expr, args->defaults);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1538 if (!compiler_enter_scope(c, name, (void *)e, e->lineno))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1539 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1540
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1541 /* unpack nested arguments */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1542 compiler_arguments(c, args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1543
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1544 /* Make None the first constant, so the lambda can't have a
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1545 docstring. */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1546 if (compiler_add_o(c, c->u->u_consts, Py_None) < 0)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1547 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1548
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1549 c->u->u_argcount = asdl_seq_LEN(args->args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1550 VISIT_IN_SCOPE(c, expr, e->v.Lambda.body);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1551 if (c->u->u_ste->ste_generator) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1552 ADDOP_IN_SCOPE(c, POP_TOP);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1553 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1554 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1555 ADDOP_IN_SCOPE(c, RETURN_VALUE);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1556 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1557 co = assemble(c, 1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1558 compiler_exit_scope(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1559 if (co == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1560 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1561
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1562 compiler_make_closure(c, co, asdl_seq_LEN(args->defaults));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1563 Py_DECREF(co);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1564
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1565 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1566 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1567
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1568 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1569 compiler_print(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1570 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1571 int i, n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1572 bool dest;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1573
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1574 assert(s->kind == Print_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1575 n = asdl_seq_LEN(s->v.Print.values);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1576 dest = false;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1577 if (s->v.Print.dest) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1578 VISIT(c, expr, s->v.Print.dest);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1579 dest = true;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1580 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1581 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1582 expr_ty e = (expr_ty)asdl_seq_GET(s->v.Print.values, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1583 if (dest) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1584 ADDOP(c, DUP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1585 VISIT(c, expr, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1586 ADDOP(c, ROT_TWO);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1587 ADDOP(c, PRINT_ITEM_TO);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1588 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1589 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1590 VISIT(c, expr, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1591 ADDOP(c, PRINT_ITEM);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1592 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1593 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1594 if (s->v.Print.nl) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1595 if (dest)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1596 ADDOP(c, PRINT_NEWLINE_TO)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1597 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1598 ADDOP(c, PRINT_NEWLINE)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1599 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1600 else if (dest)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1601 ADDOP(c, POP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1602 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1603 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1604
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1605 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1606 compiler_if(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1607 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1608 basicblock end, next;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1609 int constant;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1610 assert(s->kind == If_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1611 end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1612 if (end == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1613 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1614
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1615 constant = expr_constant(s->v.If.test);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1616 /* constant = 0: "if 0"
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1617 * constant = 1: "if 1", "if 2", ...
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1618 * constant = -1: rest */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1619 if (constant == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1620 if (s->v.If.orelse)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1621 VISIT_SEQ(c, stmt, s->v.If.orelse);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1622 } else if (constant == 1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1623 VISIT_SEQ(c, stmt, s->v.If.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1624 } else {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1625 if (s->v.If.orelse) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1626 next = compiler_new_block(c);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1627 if (next == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1628 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1629 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1630 else
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1631 next = end;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1632 VISIT(c, expr, s->v.If.test);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1633 ADDOP_JABS(c, POP_JUMP_IF_FALSE, next);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1634 VISIT_SEQ(c, stmt, s->v.If.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1635 ADDOP_JREL(c, JUMP_FORWARD, end);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1636 if (s->v.If.orelse) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1637 compiler_use_next_block(c, next);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1638 VISIT_SEQ(c, stmt, s->v.If.orelse);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1639 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1640 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1641 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1642 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1643 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1644
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1645 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1646 compiler_for(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1647 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1648 basicblock start, cleanup, *end;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1649
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1650 start = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1651 cleanup = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1652 end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1653 if (start == NULL \|\| end == NULL \|\| cleanup == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1654 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1655 ADDOP_JREL(c, SETUP_LOOP, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1656 if (!compiler_push_fblock(c, LOOP, start))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1657 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1658 VISIT(c, expr, s->v.For.iter);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1659 ADDOP(c, GET_ITER);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1660 compiler_use_next_block(c, start);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1661 ADDOP_JREL(c, FOR_ITER, cleanup);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1662 VISIT(c, expr, s->v.For.target);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1663 VISIT_SEQ(c, stmt, s->v.For.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1664 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1665 compiler_use_next_block(c, cleanup);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1666 ADDOP(c, POP_BLOCK);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1667 compiler_pop_fblock(c, LOOP, start);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1668 VISIT_SEQ(c, stmt, s->v.For.orelse);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1669 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1670 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1671 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1672
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1673 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1674 compiler_while(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1675 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1676 basicblock loop, orelse, end, anchor = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1677 int constant = expr_constant(s->v.While.test);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1678
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1679 if (constant == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1680 if (s->v.While.orelse)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1681 VISIT_SEQ(c, stmt, s->v.While.orelse);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1682 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1683 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1684 loop = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1685 end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1686 if (constant == -1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1687 anchor = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1688 if (anchor == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1689 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1690 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1691 if (loop == NULL \|\| end == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1692 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1693 if (s->v.While.orelse) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1694 orelse = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1695 if (orelse == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1696 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1697 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1698 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1699 orelse = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1700
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1701 ADDOP_JREL(c, SETUP_LOOP, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1702 compiler_use_next_block(c, loop);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1703 if (!compiler_push_fblock(c, LOOP, loop))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1704 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1705 if (constant == -1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1706 VISIT(c, expr, s->v.While.test);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1707 ADDOP_JABS(c, POP_JUMP_IF_FALSE, anchor);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1708 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1709 VISIT_SEQ(c, stmt, s->v.While.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1710 ADDOP_JABS(c, JUMP_ABSOLUTE, loop);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1711
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1712 /* XXX should the two POP instructions be in a separate block
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1713 if there is no else clause ?
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1714 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1715
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1716 if (constant == -1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1717 compiler_use_next_block(c, anchor);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1718 ADDOP(c, POP_BLOCK);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1719 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1720 compiler_pop_fblock(c, LOOP, loop);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1721 if (orelse != NULL) /* what if orelse is just pass? */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1722 VISIT_SEQ(c, stmt, s->v.While.orelse);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1723 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1724
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1725 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1726 }
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 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1729 compiler_continue(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1730 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1731 static const char LOOP_ERROR_MSG[] = "'continue' not properly in loop";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1732 static const char IN_FINALLY_ERROR_MSG[] =
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1733 "'continue' not supported inside 'finally' clause";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1734 int i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1735
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1736 if (!c->u->u_nfblocks)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1737 return compiler_error(c, LOOP_ERROR_MSG);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1738 i = c->u->u_nfblocks - 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1739 switch (c->u->u_fblock[i].fb_type) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1740 case LOOP:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1741 ADDOP_JABS(c, JUMP_ABSOLUTE, c->u->u_fblock[i].fb_block);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1742 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1743 case EXCEPT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1744 case FINALLY_TRY:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1745 while (--i >= 0 && c->u->u_fblock[i].fb_type != LOOP) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1746 /* Prevent continue anywhere under a finally
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1747 even if hidden in a sub-try or except. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1748 if (c->u->u_fblock[i].fb_type == FINALLY_END)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1749 return compiler_error(c, IN_FINALLY_ERROR_MSG);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1750 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1751 if (i == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1752 return compiler_error(c, LOOP_ERROR_MSG);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1753 ADDOP_JABS(c, CONTINUE_LOOP, c->u->u_fblock[i].fb_block);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1754 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1755 case FINALLY_END:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1756 return compiler_error(c, IN_FINALLY_ERROR_MSG);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1757 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1758
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1759 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1760 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1761
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1762 /* Code generated for "try: <body> finally: <finalbody>" is as follows:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1763
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1764 SETUP_FINALLY L
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1765 <code for body>
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1766 POP_BLOCK
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1767 LOAD_CONST <None>
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1768 L: <code for finalbody>
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1769 END_FINALLY
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1770
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1771 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	1772 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	1773 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	1774 block stack entry was created, and a label (here L).
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1775
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1776 SETUP_FINALLY:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1777 Pushes the current value stack level and the label
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1778 onto the block stack.
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1779 POP_BLOCK:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1780 Pops en entry from the block stack, and pops the value
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1781 stack until its level is the same as indicated on the
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1782 block stack. (The label is ignored.)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1783 END_FINALLY:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1784 Pops a variable number of entries from the value stack
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1785 and re-raises the exception they specify. The number of
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1786 entries popped depends on the (pseudo) exception type.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1787
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1788 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	1789 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	1790 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	1791 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	1792 stack.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1793 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1794
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1795 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1796 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	1797 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1798 basicblock body, end;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1799 body = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1800 end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1801 if (body == NULL \|\| end == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1802 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1803
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1804 ADDOP_JREL(c, SETUP_FINALLY, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1805 compiler_use_next_block(c, body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1806 if (!compiler_push_fblock(c, FINALLY_TRY, body))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1807 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1808 VISIT_SEQ(c, stmt, s->v.TryFinally.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1809 ADDOP(c, POP_BLOCK);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1810 compiler_pop_fblock(c, FINALLY_TRY, body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1811
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1812 ADDOP_O(c, LOAD_CONST, Py_None, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1813 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1814 if (!compiler_push_fblock(c, FINALLY_END, end))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1815 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1816 VISIT_SEQ(c, stmt, s->v.TryFinally.finalbody);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1817 ADDOP(c, END_FINALLY);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1818 compiler_pop_fblock(c, FINALLY_END, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1819
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1820 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1821 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1822
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1823 /*
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1824 Code generated for "try: S except E1, V1: S1 except E2, V2: S2 ...":
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1825 (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	1826 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	1827 associated value, and 'exc' the exception.)
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1828
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1829 Value stack Label Instruction Argument
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1830 [] SETUP_EXCEPT L1
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1831 [] <code for S>
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1832 [] POP_BLOCK
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1833 [] JUMP_FORWARD L0
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1834
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1835 [tb, val, exc] L1: DUP )
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1836 [tb, val, exc, exc] <evaluate E1> )
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1837 [tb, val, exc, exc, E1] COMPARE_OP EXC_MATCH ) only if E1
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1838 [tb, val, exc, 1-or-0] POP_JUMP_IF_FALSE L2 )
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1839 [tb, val, exc] POP
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1840 [tb, val] <assign to V1> (or POP if no V1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1841 [tb] POP
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1842 [] <code for S1>
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1843 JUMP_FORWARD L0
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1844
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1845 [tb, val, exc] L2: DUP
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1846 .............................etc.......................
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1847
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1848 [tb, val, exc] Ln+1: END_FINALLY # re-raise exception
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1849
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1850 [] L0: <next statement>
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1851
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1852 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	1853 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1854 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1855 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	1856 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1857 basicblock body, orelse, except, end;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1858 int i, n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1859
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1860 body = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1861 except = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1862 orelse = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1863 end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1864 if (body == NULL \|\| except == NULL \|\| orelse == NULL \|\| end == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1865 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1866 ADDOP_JREL(c, SETUP_EXCEPT, except);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1867 compiler_use_next_block(c, body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1868 if (!compiler_push_fblock(c, EXCEPT, body))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1869 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1870 VISIT_SEQ(c, stmt, s->v.TryExcept.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1871 ADDOP(c, POP_BLOCK);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1872 compiler_pop_fblock(c, EXCEPT, body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1873 ADDOP_JREL(c, JUMP_FORWARD, orelse);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1874 n = asdl_seq_LEN(s->v.TryExcept.handlers);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1875 compiler_use_next_block(c, except);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1876 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1877 excepthandler_ty handler = (excepthandler_ty)asdl_seq_GET(
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1878 s->v.TryExcept.handlers, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1879 if (!handler->v.ExceptHandler.type && i < n-1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1880 return compiler_error(c, "default 'except:' must be last");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1881 c->u->u_lineno_set = false;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1882 c->u->u_lineno = handler->lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1883 except = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1884 if (except == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1885 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1886 if (handler->v.ExceptHandler.type) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1887 ADDOP(c, DUP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1888 VISIT(c, expr, handler->v.ExceptHandler.type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1889 ADDOP_I(c, COMPARE_OP, PyCmp_EXC_MATCH);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	1890 ADDOP_JABS(c, POP_JUMP_IF_FALSE, except);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1891 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1892 ADDOP(c, POP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1893 if (handler->v.ExceptHandler.name) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1894 VISIT(c, expr, handler->v.ExceptHandler.name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1895 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1896 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1897 ADDOP(c, POP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1898 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1899 ADDOP(c, POP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1900 VISIT_SEQ(c, stmt, handler->v.ExceptHandler.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1901 ADDOP_JREL(c, JUMP_FORWARD, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1902 compiler_use_next_block(c, except);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1903 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1904 ADDOP(c, END_FINALLY);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1905 compiler_use_next_block(c, orelse);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1906 VISIT_SEQ(c, stmt, s->v.TryExcept.orelse);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1907 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1908 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1909 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1910
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1911 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1912 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	1913 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1914 /* The IMPORT_NAME opcode was already generated. This function
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1915 merely needs to bind the result to a name.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1916
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1917 If there is a dot in name, we need to split it and emit a
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1918 LOAD_ATTR for each name.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1919 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1920 const char *src = PyString_AS_STRING(name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1921 const char *dot = strchr(src, '.');
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1922 if (dot) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1923 /* Consume the base module name to get the first attribute */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1924 src = dot + 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1925 while (dot) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1926 /* NB src is only defined when dot != NULL */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1927 PyObject *attr;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1928 dot = strchr(src, '.');
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1929 attr = PyString_FromStringAndSize(src,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1930 dot ? dot - src : strlen(src));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1931 if (!attr)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1932 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1933 ADDOP_O(c, LOAD_ATTR, attr, names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1934 Py_DECREF(attr);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1935 src = dot + 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1936 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1937 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1938 return compiler_nameop(c, asname, Store);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1939 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1940
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1941 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1942 compiler_import(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1943 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1944 /* The Import node stores a module name like a.b.c as a single
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1945 string. This is convenient for all cases except
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1946 import a.b.c as d
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1947 where we need to parse that string to extract the individual
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1948 module names.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1949 XXX Perhaps change the representation to make this case simpler?
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1950 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1951 int i, n = asdl_seq_LEN(s->v.Import.names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1952
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1953 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1954 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.Import.names, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1955 int r;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1956 PyObject *level;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1957
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1958 if (c->c_flags && (c->c_flags->cf_flags & CO_FUTURE_ABSOLUTE_IMPORT))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1959 level = PyInt_FromLong(0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1960 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1961 level = PyInt_FromLong(-1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1962
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1963 if (level == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1964 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1965
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1966 ADDOP_O(c, LOAD_CONST, level, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1967 Py_DECREF(level);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1968 ADDOP_O(c, LOAD_CONST, Py_None, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1969 ADDOP_NAME(c, IMPORT_NAME, alias->name, names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1970
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1971 if (alias->asname) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1972 r = compiler_import_as(c, alias->name, alias->asname);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1973 if (!r)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1974 return r;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1975 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1976 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1977 identifier tmp = alias->name;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1978 const char *base = PyString_AS_STRING(alias->name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1979 char *dot = strchr(base, '.');
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1980 if (dot)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1981 tmp = PyString_FromStringAndSize(base,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1982 dot - base);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1983 r = compiler_nameop(c, tmp, Store);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1984 if (dot) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1985 Py_DECREF(tmp);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1986 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1987 if (!r)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1988 return r;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1989 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1990 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1991 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1992 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1993
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1994 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	1995 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	1996 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1997 int i, n = asdl_seq_LEN(s->v.ImportFrom.names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1998
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	1999 PyObject *names = PyTuple_New(n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2000 PyObject *level;
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2001 static PyObject *empty_string;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2002
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2003 if (!empty_string) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2004 empty_string = PyString_FromString("");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2005 if (!empty_string)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2006 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2007 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2008
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2009 if (!names)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2010 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2011
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2012 if (s->v.ImportFrom.level == 0 && c->c_flags &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2013 !(c->c_flags->cf_flags & CO_FUTURE_ABSOLUTE_IMPORT))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2014 level = PyInt_FromLong(-1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2015 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2016 level = PyInt_FromLong(s->v.ImportFrom.level);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2017
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2018 if (!level) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2019 Py_DECREF(names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2020 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2021 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2022
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2023 /* build up the names */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2024 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2025 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.ImportFrom.names, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2026 Py_INCREF(alias->name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2027 PyTuple_SET_ITEM(names, i, alias->name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2028 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2029
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2030 if (s->lineno > c->c_future->ff_lineno && s->v.ImportFrom.module &&
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2031 !strcmp(PyString_AS_STRING(s->v.ImportFrom.module), "__future__")) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2032 Py_DECREF(level);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2033 Py_DECREF(names);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2034 return compiler_error(c, "from __future__ imports must occur "
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2035 "at the beginning of the file");
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2036 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2037
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2038 ADDOP_O(c, LOAD_CONST, level, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2039 Py_DECREF(level);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2040 ADDOP_O(c, LOAD_CONST, names, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2041 Py_DECREF(names);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2042 if (s->v.ImportFrom.module) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2043 ADDOP_NAME(c, IMPORT_NAME, s->v.ImportFrom.module, names);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2044 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2045 else {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2046 ADDOP_NAME(c, IMPORT_NAME, empty_string, names);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2047 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2048 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2049 alias_ty alias = (alias_ty)asdl_seq_GET(s->v.ImportFrom.names, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2050 identifier store_name;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2051
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2052 if (i == 0 && PyString_AS_STRING(alias->name) == '') {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2053 assert(n == 1);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2054 ADDOP(c, IMPORT_STAR);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2055 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2056 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2057
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2058 ADDOP_NAME(c, IMPORT_FROM, alias->name, names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2059 store_name = alias->name;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2060 if (alias->asname)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2061 store_name = alias->asname;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2062
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2063 if (!compiler_nameop(c, store_name, Store)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2064 Py_DECREF(names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2065 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2066 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2067 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2068 /* remove imported module */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2069 ADDOP(c, POP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2070 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2071 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2072
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2073 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2074 compiler_assert(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2075 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2076 static PyObject *assertion_error = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2077 basicblock *end;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2078
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2079 if (Py_OptimizeFlag)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2080 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2081 if (assertion_error == NULL) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2082 assertion_error = PyString_InternFromString("AssertionError");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2083 if (assertion_error == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2084 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2085 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2086 if (s->v.Assert.test->kind == Tuple_kind &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2087 asdl_seq_LEN(s->v.Assert.test->v.Tuple.elts) > 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2088 const char* msg =
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2089 "assertion is always true, perhaps remove parentheses?";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2090 if (PyErr_WarnExplicit(PyExc_SyntaxWarning, msg, c->c_filename,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2091 c->u->u_lineno, NULL, NULL) == -1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2092 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2093 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2094 VISIT(c, expr, s->v.Assert.test);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2095 end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2096 if (end == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2097 return 0;
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2098 ADDOP_JABS(c, POP_JUMP_IF_TRUE, end);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2099 ADDOP_O(c, LOAD_GLOBAL, assertion_error, names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2100 if (s->v.Assert.msg) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2101 VISIT(c, expr, s->v.Assert.msg);
73143 7bef55ae5753 don't let a tuple msg be interpreted as arguments to AssertionError (closes #13268) Benjamin Peterson <benjamin@python.org> parents: 68256 diff changeset	2102 ADDOP_I(c, CALL_FUNCTION, 1);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2103 }
73143 7bef55ae5753 don't let a tuple msg be interpreted as arguments to AssertionError (closes #13268) Benjamin Peterson <benjamin@python.org> parents: 68256 diff changeset	2104 ADDOP_I(c, RAISE_VARARGS, 1);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2105 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2106 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2107 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2108
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2109 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2110 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	2111 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2112 int i, n;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2113
37390 5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	2114 /* Always assign a lineno to the next instruction for a stmt. */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2115 c->u->u_lineno = s->lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2116 c->u->u_lineno_set = false;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2117
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2118 switch (s->kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2119 case FunctionDef_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2120 return compiler_function(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2121 case ClassDef_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2122 return compiler_class(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2123 case Return_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2124 if (c->u->u_ste->ste_type != FunctionBlock)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2125 return compiler_error(c, "'return' outside function");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2126 if (s->v.Return.value) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2127 VISIT(c, expr, s->v.Return.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2128 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2129 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2130 ADDOP_O(c, LOAD_CONST, Py_None, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2131 ADDOP(c, RETURN_VALUE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2132 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2133 case Delete_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2134 VISIT_SEQ(c, expr, s->v.Delete.targets)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2135 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2136 case Assign_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2137 n = asdl_seq_LEN(s->v.Assign.targets);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2138 VISIT(c, expr, s->v.Assign.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2139 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2140 if (i < n - 1)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2141 ADDOP(c, DUP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2142 VISIT(c, expr,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2143 (expr_ty)asdl_seq_GET(s->v.Assign.targets, i));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2144 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2145 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2146 case AugAssign_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2147 return compiler_augassign(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2148 case Print_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2149 return compiler_print(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2150 case For_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2151 return compiler_for(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2152 case While_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2153 return compiler_while(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2154 case If_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2155 return compiler_if(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2156 case Raise_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2157 n = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2158 if (s->v.Raise.type) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2159 VISIT(c, expr, s->v.Raise.type);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2160 n++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2161 if (s->v.Raise.inst) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2162 VISIT(c, expr, s->v.Raise.inst);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2163 n++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2164 if (s->v.Raise.tback) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2165 VISIT(c, expr, s->v.Raise.tback);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2166 n++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2167 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2168 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2169 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2170 ADDOP_I(c, RAISE_VARARGS, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2171 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2172 case TryExcept_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2173 return compiler_try_except(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2174 case TryFinally_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2175 return compiler_try_finally(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2176 case Assert_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2177 return compiler_assert(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2178 case Import_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2179 return compiler_import(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2180 case ImportFrom_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2181 return compiler_from_import(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2182 case Exec_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2183 VISIT(c, expr, s->v.Exec.body);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2184 if (s->v.Exec.globals) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2185 VISIT(c, expr, s->v.Exec.globals);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2186 if (s->v.Exec.locals) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2187 VISIT(c, expr, s->v.Exec.locals);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2188 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2189 ADDOP(c, DUP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2190 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2191 } else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2192 ADDOP_O(c, LOAD_CONST, Py_None, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2193 ADDOP(c, DUP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2194 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2195 ADDOP(c, EXEC_STMT);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2196 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2197 case Global_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2198 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2199 case Expr_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2200 if (c->c_interactive && c->c_nestlevel <= 1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2201 VISIT(c, expr, s->v.Expr.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2202 ADDOP(c, PRINT_EXPR);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2203 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2204 else if (s->v.Expr.value->kind != Str_kind &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2205 s->v.Expr.value->kind != Num_kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2206 VISIT(c, expr, s->v.Expr.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2207 ADDOP(c, POP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2208 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2209 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2210 case Pass_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2211 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2212 case Break_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2213 if (!compiler_in_loop(c))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2214 return compiler_error(c, "'break' outside loop");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2215 ADDOP(c, BREAK_LOOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2216 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2217 case Continue_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2218 return compiler_continue(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2219 case With_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2220 return compiler_with(c, s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2221 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2222 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2223 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2224
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2225 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2226 unaryop(unaryop_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2227 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2228 switch (op) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2229 case Invert:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2230 return UNARY_INVERT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2231 case Not:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2232 return UNARY_NOT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2233 case UAdd:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2234 return UNARY_POSITIVE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2235 case USub:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2236 return UNARY_NEGATIVE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2237 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2238 PyErr_Format(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2239 "unary op %d should not be possible", op);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2240 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2241 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2242 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2243
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2244 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2245 binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2246 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2247 switch (op) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2248 case Add:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2249 return BINARY_ADD;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2250 case Sub:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2251 return BINARY_SUBTRACT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2252 case Mult:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2253 return BINARY_MULTIPLY;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2254 case Div:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2255 if (c->c_flags && c->c_flags->cf_flags & CO_FUTURE_DIVISION)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2256 return BINARY_TRUE_DIVIDE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2257 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2258 return BINARY_DIVIDE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2259 case Mod:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2260 return BINARY_MODULO;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2261 case Pow:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2262 return BINARY_POWER;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2263 case LShift:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2264 return BINARY_LSHIFT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2265 case RShift:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2266 return BINARY_RSHIFT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2267 case BitOr:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2268 return BINARY_OR;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2269 case BitXor:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2270 return BINARY_XOR;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2271 case BitAnd:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2272 return BINARY_AND;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2273 case FloorDiv:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2274 return BINARY_FLOOR_DIVIDE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2275 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2276 PyErr_Format(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2277 "binary op %d should not be possible", op);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2278 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2279 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2280 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2281
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2282 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2283 cmpop(cmpop_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2284 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2285 switch (op) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2286 case Eq:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2287 return PyCmp_EQ;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2288 case NotEq:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2289 return PyCmp_NE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2290 case Lt:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2291 return PyCmp_LT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2292 case LtE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2293 return PyCmp_LE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2294 case Gt:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2295 return PyCmp_GT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2296 case GtE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2297 return PyCmp_GE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2298 case Is:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2299 return PyCmp_IS;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2300 case IsNot:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2301 return PyCmp_IS_NOT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2302 case In:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2303 return PyCmp_IN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2304 case NotIn:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2305 return PyCmp_NOT_IN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2306 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2307 return PyCmp_BAD;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2308 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2309 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2310
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2311 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2312 inplace_binop(struct compiler *c, operator_ty op)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2313 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2314 switch (op) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2315 case Add:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2316 return INPLACE_ADD;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2317 case Sub:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2318 return INPLACE_SUBTRACT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2319 case Mult:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2320 return INPLACE_MULTIPLY;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2321 case Div:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2322 if (c->c_flags && c->c_flags->cf_flags & CO_FUTURE_DIVISION)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2323 return INPLACE_TRUE_DIVIDE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2324 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2325 return INPLACE_DIVIDE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2326 case Mod:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2327 return INPLACE_MODULO;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2328 case Pow:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2329 return INPLACE_POWER;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2330 case LShift:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2331 return INPLACE_LSHIFT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2332 case RShift:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2333 return INPLACE_RSHIFT;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2334 case BitOr:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2335 return INPLACE_OR;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2336 case BitXor:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2337 return INPLACE_XOR;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2338 case BitAnd:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2339 return INPLACE_AND;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2340 case FloorDiv:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2341 return INPLACE_FLOOR_DIVIDE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2342 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2343 PyErr_Format(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2344 "inplace binary op %d should not be possible", op);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2345 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2346 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2347 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2348
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2349 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2350 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	2351 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2352 int op, scope, arg;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2353 enum { OP_FAST, OP_GLOBAL, OP_DEREF, OP_NAME } optype;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2354
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2355 PyObject *dict = c->u->u_names;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2356 PyObject *mangled;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2357 /* XXX AugStore isn't used anywhere! */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2358
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2359 mangled = _Py_Mangle(c->u->u_private, name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2360 if (!mangled)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2361 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2362
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2363 op = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2364 optype = OP_NAME;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2365 scope = PyST_GetScope(c->u->u_ste, mangled);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2366 switch (scope) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2367 case FREE:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2368 dict = c->u->u_freevars;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2369 optype = OP_DEREF;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2370 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2371 case CELL:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2372 dict = c->u->u_cellvars;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2373 optype = OP_DEREF;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2374 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2375 case LOCAL:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2376 if (c->u->u_ste->ste_type == FunctionBlock)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2377 optype = OP_FAST;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2378 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2379 case GLOBAL_IMPLICIT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2380 if (c->u->u_ste->ste_type == FunctionBlock &&
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2381 !c->u->u_ste->ste_unoptimized)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2382 optype = OP_GLOBAL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2383 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2384 case GLOBAL_EXPLICIT:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2385 optype = OP_GLOBAL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2386 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2387 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2388 /* scope can be 0 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2389 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2390 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2391
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2392 /* XXX Leave assert here, but handle __doc__ and the like better */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2393 assert(scope \|\| PyString_AS_STRING(name)[0] == '_');
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2394
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2395 switch (optype) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2396 case OP_DEREF:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2397 switch (ctx) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2398 case Load: op = LOAD_DEREF; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2399 case Store: op = STORE_DEREF; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2400 case AugLoad:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2401 case AugStore:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2402 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2403 case Del:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2404 PyErr_Format(PyExc_SyntaxError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2405 "can not delete variable '%s' referenced "
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2406 "in nested scope",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2407 PyString_AS_STRING(name));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2408 Py_DECREF(mangled);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2409 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2410 case Param:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2411 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2412 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2413 "param invalid for deref variable");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2414 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2415 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2416 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2417 case OP_FAST:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2418 switch (ctx) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2419 case Load: op = LOAD_FAST; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2420 case Store: op = STORE_FAST; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2421 case Del: op = DELETE_FAST; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2422 case AugLoad:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2423 case AugStore:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2424 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2425 case Param:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2426 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2427 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2428 "param invalid for local variable");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2429 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2430 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2431 ADDOP_O(c, op, mangled, varnames);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2432 Py_DECREF(mangled);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2433 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2434 case OP_GLOBAL:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2435 switch (ctx) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2436 case Load: op = LOAD_GLOBAL; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2437 case Store: op = STORE_GLOBAL; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2438 case Del: op = DELETE_GLOBAL; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2439 case AugLoad:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2440 case AugStore:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2441 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2442 case Param:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2443 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2444 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2445 "param invalid for global variable");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2446 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2447 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2448 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2449 case OP_NAME:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2450 switch (ctx) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2451 case Load: op = LOAD_NAME; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2452 case Store: op = STORE_NAME; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2453 case Del: op = DELETE_NAME; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2454 case AugLoad:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2455 case AugStore:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2456 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2457 case Param:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2458 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2459 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2460 "param invalid for name variable");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2461 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2462 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2463 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2464 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2465
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2466 assert(op);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2467 arg = compiler_add_o(c, dict, mangled);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2468 Py_DECREF(mangled);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2469 if (arg < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2470 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2471 return compiler_addop_i(c, op, arg);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2472 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2473
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2474 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2475 compiler_boolop(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2476 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2477 basicblock *end;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2478 int jumpi, i, n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2479 asdl_seq *s;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2480
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2481 assert(e->kind == BoolOp_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2482 if (e->v.BoolOp.op == And)
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2483 jumpi = JUMP_IF_FALSE_OR_POP;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2484 else
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2485 jumpi = JUMP_IF_TRUE_OR_POP;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2486 end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2487 if (end == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2488 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2489 s = e->v.BoolOp.values;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2490 n = asdl_seq_LEN(s) - 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2491 assert(n >= 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2492 for (i = 0; i < n; ++i) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2493 VISIT(c, expr, (expr_ty)asdl_seq_GET(s, i));
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2494 ADDOP_JABS(c, jumpi, end);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2495 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2496 VISIT(c, expr, (expr_ty)asdl_seq_GET(s, n));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2497 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2498 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2499 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2500
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2501 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2502 compiler_list(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2503 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2504 int n = asdl_seq_LEN(e->v.List.elts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2505 if (e->v.List.ctx == Store) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2506 ADDOP_I(c, UNPACK_SEQUENCE, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2507 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2508 VISIT_SEQ(c, expr, e->v.List.elts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2509 if (e->v.List.ctx == Load) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2510 ADDOP_I(c, BUILD_LIST, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2511 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2512 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2513 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2514
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2515 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2516 compiler_tuple(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2517 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2518 int n = asdl_seq_LEN(e->v.Tuple.elts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2519 if (e->v.Tuple.ctx == Store) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2520 ADDOP_I(c, UNPACK_SEQUENCE, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2521 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2522 VISIT_SEQ(c, expr, e->v.Tuple.elts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2523 if (e->v.Tuple.ctx == Load) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2524 ADDOP_I(c, BUILD_TUPLE, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2525 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2526 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2527 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2528
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2529 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2530 compiler_compare(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2531 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2532 int i, n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2533 basicblock *cleanup = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2534
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2535 /* XXX the logic can be cleaned up for 1 or multiple comparisons */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2536 VISIT(c, expr, e->v.Compare.left);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2537 n = asdl_seq_LEN(e->v.Compare.ops);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2538 assert(n > 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2539 if (n > 1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2540 cleanup = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2541 if (cleanup == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2542 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2543 VISIT(c, expr,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2544 (expr_ty)asdl_seq_GET(e->v.Compare.comparators, 0));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2545 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2546 for (i = 1; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2547 ADDOP(c, DUP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2548 ADDOP(c, ROT_THREE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2549 ADDOP_I(c, COMPARE_OP,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2550 cmpop((cmpop_ty)(asdl_seq_GET(
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2551 e->v.Compare.ops, i - 1))));
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2552 ADDOP_JABS(c, JUMP_IF_FALSE_OR_POP, cleanup);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2553 NEXT_BLOCK(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2554 if (i < (n - 1))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2555 VISIT(c, expr,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2556 (expr_ty)asdl_seq_GET(e->v.Compare.comparators, i));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2557 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2558 VISIT(c, expr, (expr_ty)asdl_seq_GET(e->v.Compare.comparators, n - 1));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2559 ADDOP_I(c, COMPARE_OP,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2560 cmpop((cmpop_ty)(asdl_seq_GET(e->v.Compare.ops, n - 1))));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2561 if (n > 1) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2562 basicblock *end = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2563 if (end == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2564 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2565 ADDOP_JREL(c, JUMP_FORWARD, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2566 compiler_use_next_block(c, cleanup);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2567 ADDOP(c, ROT_TWO);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2568 ADDOP(c, POP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2569 compiler_use_next_block(c, end);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2570 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2571 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2572 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2573
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2574 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2575 compiler_call(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2576 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2577 int n, code = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2578
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2579 VISIT(c, expr, e->v.Call.func);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2580 n = asdl_seq_LEN(e->v.Call.args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2581 VISIT_SEQ(c, expr, e->v.Call.args);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2582 if (e->v.Call.keywords) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2583 VISIT_SEQ(c, keyword, e->v.Call.keywords);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2584 n \|= asdl_seq_LEN(e->v.Call.keywords) << 8;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2585 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2586 if (e->v.Call.starargs) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2587 VISIT(c, expr, e->v.Call.starargs);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2588 code \|= 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2589 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2590 if (e->v.Call.kwargs) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2591 VISIT(c, expr, e->v.Call.kwargs);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2592 code \|= 2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2593 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2594 switch (code) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2595 case 0:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2596 ADDOP_I(c, CALL_FUNCTION, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2597 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2598 case 1:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2599 ADDOP_I(c, CALL_FUNCTION_VAR, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2600 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2601 case 2:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2602 ADDOP_I(c, CALL_FUNCTION_KW, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2603 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2604 case 3:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2605 ADDOP_I(c, CALL_FUNCTION_VAR_KW, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2606 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2607 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2608 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2609 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2610
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2611 static int
50204 94e79d78dff0 Issue #2183: Simplify and optimize bytecode for list comprehensions. Antoine Pitrou <solipsis@pitrou.net> parents: 49696 diff changeset	2612 compiler_listcomp_generator(struct compiler c, asdl_seq generators,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2613 int gen_index, expr_ty elt)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2614 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2615 /* generate code for the iterator, then each of the ifs,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2616 and then write to the element */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2617
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2618 comprehension_ty l;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2619 basicblock start, anchor, skip, if_cleanup;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2620 int i, n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2621
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2622 start = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2623 skip = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2624 if_cleanup = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2625 anchor = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2626
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2627 if (start == NULL \|\| skip == NULL \|\| if_cleanup == NULL \|\|
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2628 anchor == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2629 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2630
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2631 l = (comprehension_ty)asdl_seq_GET(generators, gen_index);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2632 VISIT(c, expr, l->iter);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2633 ADDOP(c, GET_ITER);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2634 compiler_use_next_block(c, start);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2635 ADDOP_JREL(c, FOR_ITER, anchor);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2636 NEXT_BLOCK(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2637 VISIT(c, expr, l->target);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2638
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2639 /* XXX this needs to be cleaned up...a lot! */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2640 n = asdl_seq_LEN(l->ifs);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2641 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2642 expr_ty e = (expr_ty)asdl_seq_GET(l->ifs, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2643 VISIT(c, expr, e);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2644 ADDOP_JABS(c, POP_JUMP_IF_FALSE, if_cleanup);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2645 NEXT_BLOCK(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2646 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2647
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2648 if (++gen_index < asdl_seq_LEN(generators))
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2649 if (!compiler_listcomp_generator(c, generators, gen_index, elt))
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2650 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2651
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2652 /* only append after the last for generator */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2653 if (gen_index >= asdl_seq_LEN(generators)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2654 VISIT(c, expr, elt);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2655 ADDOP_I(c, LIST_APPEND, gen_index+1);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2656
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2657 compiler_use_next_block(c, skip);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2658 }
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2659 compiler_use_next_block(c, if_cleanup);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2660 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2661 compiler_use_next_block(c, anchor);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2662
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2663 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2664 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2665
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2666 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2667 compiler_listcomp(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2668 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2669 assert(e->kind == ListComp_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2670 ADDOP_I(c, BUILD_LIST, 0);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2671 return compiler_listcomp_generator(c, e->v.ListComp.generators, 0,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2672 e->v.ListComp.elt);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2673 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2674
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2675 /* Dict and set comprehensions and generator expressions work by creating a
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2676 nested function to perform the actual iteration. This means that the
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2677 iteration variables don't leak into the current scope.
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2678 The defined function is called immediately following its definition, with the
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2679 result of that call being the result of the expression.
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2680 The LC/SC version returns the populated container, while the GE version is
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2681 flagged in symtable.c as a generator, so it returns the generator object
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2682 when the function is called.
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2683 This code knows that the loop cannot contain break, continue, or return,
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2684 so it cheats and skips the SETUP_LOOP/POP_BLOCK steps used in normal loops.
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2685
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2686 Possible cleanups:
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2687 - iterate over the generator sequence instead of using recursion
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2688 */
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2689
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2690 static int
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2691 compiler_comprehension_generator(struct compiler *c,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2692 asdl_seq *generators, int gen_index,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2693 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	2694 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2695 /* generate code for the iterator, then each of the ifs,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2696 and then write to the element */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2697
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2698 comprehension_ty gen;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2699 basicblock start, anchor, skip, if_cleanup;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2700 int i, n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2701
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2702 start = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2703 skip = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2704 if_cleanup = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2705 anchor = compiler_new_block(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2706
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2707 if (start == NULL \|\| skip == NULL \|\| if_cleanup == NULL \|\|
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2708 anchor == NULL)
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2709 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2710
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2711 gen = (comprehension_ty)asdl_seq_GET(generators, gen_index);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2712
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2713 if (gen_index == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2714 /* Receive outermost iter as an implicit argument */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2715 c->u->u_argcount = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2716 ADDOP_I(c, LOAD_FAST, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2717 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2718 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2719 /* Sub-iter - calculate on the fly */
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2720 VISIT(c, expr, gen->iter);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2721 ADDOP(c, GET_ITER);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2722 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2723 compiler_use_next_block(c, start);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2724 ADDOP_JREL(c, FOR_ITER, anchor);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2725 NEXT_BLOCK(c);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2726 VISIT(c, expr, gen->target);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2727
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2728 /* XXX this needs to be cleaned up...a lot! */
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2729 n = asdl_seq_LEN(gen->ifs);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2730 for (i = 0; i < n; i++) {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2731 expr_ty e = (expr_ty)asdl_seq_GET(gen->ifs, i);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2732 VISIT(c, expr, e);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2733 ADDOP_JABS(c, POP_JUMP_IF_FALSE, if_cleanup);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2734 NEXT_BLOCK(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2735 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2736
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2737 if (++gen_index < asdl_seq_LEN(generators))
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2738 if (!compiler_comprehension_generator(c,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2739 generators, gen_index,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2740 elt, val, type))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2741 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2742
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2743 /* only append after the last for generator */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2744 if (gen_index >= asdl_seq_LEN(generators)) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2745 /* comprehension specific code */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2746 switch (type) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2747 case COMP_GENEXP:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2748 VISIT(c, expr, elt);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2749 ADDOP(c, YIELD_VALUE);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2750 ADDOP(c, POP_TOP);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2751 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2752 case COMP_SETCOMP:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2753 VISIT(c, expr, elt);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2754 ADDOP_I(c, SET_ADD, gen_index + 1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2755 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2756 case COMP_DICTCOMP:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2757 /* With 'd[k] = v', v is evaluated before k, so we do
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2758 the same. */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2759 VISIT(c, expr, val);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2760 VISIT(c, expr, elt);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2761 ADDOP_I(c, MAP_ADD, gen_index + 1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2762 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2763 default:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2764 return 0;
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2765 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2766
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2767 compiler_use_next_block(c, skip);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2768 }
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2769 compiler_use_next_block(c, if_cleanup);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2770 ADDOP_JABS(c, JUMP_ABSOLUTE, start);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2771 compiler_use_next_block(c, anchor);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2772
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2773 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2774 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2775
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2776 static int
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2777 compiler_comprehension(struct compiler *c, expr_ty e, int type, identifier name,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2778 asdl_seq *generators, expr_ty elt, expr_ty val)
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2779 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2780 PyCodeObject *co = NULL;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2781 expr_ty outermost_iter;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2782
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2783 outermost_iter = ((comprehension_ty)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2784 asdl_seq_GET(generators, 0))->iter;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2785
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2786 if (!compiler_enter_scope(c, name, (void *)e, e->lineno))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2787 goto error;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2788
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2789 if (type != COMP_GENEXP) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2790 int op;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2791 switch (type) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2792 case COMP_SETCOMP:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2793 op = BUILD_SET;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2794 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2795 case COMP_DICTCOMP:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2796 op = BUILD_MAP;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2797 break;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2798 default:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2799 PyErr_Format(PyExc_SystemError,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2800 "unknown comprehension type %d", type);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2801 goto error_in_scope;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2802 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2803
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2804 ADDOP_I(c, op, 0);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2805 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2806
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2807 if (!compiler_comprehension_generator(c, generators, 0, elt,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2808 val, type))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2809 goto error_in_scope;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2810
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2811 if (type != COMP_GENEXP) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2812 ADDOP(c, RETURN_VALUE);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2813 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2814
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2815 co = assemble(c, 1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2816 compiler_exit_scope(c);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2817 if (co == NULL)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2818 goto error;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2819
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2820 if (!compiler_make_closure(c, co, 0))
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2821 goto error;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2822 Py_DECREF(co);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2823
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2824 VISIT(c, expr, outermost_iter);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2825 ADDOP(c, GET_ITER);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2826 ADDOP_I(c, CALL_FUNCTION, 1);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2827 return 1;
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2828 error_in_scope:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2829 compiler_exit_scope(c);
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2830 error:
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2831 Py_XDECREF(co);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2832 return 0;
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2833 }
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2834
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2835 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2836 compiler_genexp(struct compiler *c, expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2837 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2838 static identifier name;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2839 if (!name) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2840 name = PyString_FromString("<genexpr>");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2841 if (!name)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2842 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2843 }
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2844 assert(e->kind == GeneratorExp_kind);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2845 return compiler_comprehension(c, e, COMP_GENEXP, name,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2846 e->v.GeneratorExp.generators,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2847 e->v.GeneratorExp.elt, NULL);
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2848 }
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2849
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2850 static int
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2851 compiler_setcomp(struct compiler *c, expr_ty e)
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2852 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2853 static identifier name;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2854 if (!name) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2855 name = PyString_FromString("<setcomp>");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2856 if (!name)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2857 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2858 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2859 assert(e->kind == SetComp_kind);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2860 return compiler_comprehension(c, e, COMP_SETCOMP, name,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2861 e->v.SetComp.generators,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2862 e->v.SetComp.elt, NULL);
58250 edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2863 }
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2864
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2865 static int
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2866 compiler_dictcomp(struct compiler *c, expr_ty e)
edfed0e32ced Issue #2333: Backport set and dict comprehensions syntax. Alexandre Vassalotti <alexandre@peadrop.com> parents: 58229 diff changeset	2867 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2868 static identifier name;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2869 if (!name) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2870 name = PyString_FromString("<dictcomp>");
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2871 if (!name)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2872 return 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2873 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2874 assert(e->kind == DictComp_kind);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2875 return compiler_comprehension(c, e, COMP_DICTCOMP, name,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2876 e->v.DictComp.generators,
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2877 e->v.DictComp.key, e->v.DictComp.value);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2878 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2879
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2880 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2881 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	2882 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2883 ADDOP_O(c, LOAD_CONST, k->arg, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2884 VISIT(c, expr, k->value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2885 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2886 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2887
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2888 /* 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	2889 whether they are true or false.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2890
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2891 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	2892 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2893
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2894 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2895 expr_constant(expr_ty e)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2896 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2897 switch (e->kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2898 case Num_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2899 return PyObject_IsTrue(e->v.Num.n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2900 case Str_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2901 return PyObject_IsTrue(e->v.Str.s);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2902 case Name_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2903 /* __debug__ is not assignable, so we can optimize
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2904 * it away in if and while statements */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2905 if (strcmp(PyString_AS_STRING(e->v.Name.id),
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2906 "__debug__") == 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2907 return ! Py_OptimizeFlag;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2908 /* fall through */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2909 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2910 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2911 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2912 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2913
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2914 /*
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2915 Implements the with statement from PEP 343.
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2916
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2917 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	2918
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2919 with EXPR as VAR:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2920 BLOCK
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2921
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2922 It is implemented roughly as:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2923
38084 a812d0fae74a Get rid of __context__, per the latest changes to PEP 343 and python-dev Guido van Rossum <guido@python.org> parents: 37685 diff changeset	2924 context = EXPR
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2925 exit = context.__exit__ # not calling it
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2926 value = context.__enter__()
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2927 try:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2928 VAR = value # if VAR present in the syntax
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2929 BLOCK
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2930 finally:
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2931 if an exception was raised:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2932 exc = copy of (exception, instance, traceback)
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2933 else:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2934 exc = (None, None, None)
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2935 exit(*exc)
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2936 */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2937 static int
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2938 compiler_with(struct compiler *c, stmt_ty s)
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2939 {
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2940 basicblock block, finally;
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2941
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2942 assert(s->kind == With_kind);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2943
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2944 block = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2945 finally = compiler_new_block(c);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2946 if (!block \|\| !finally)
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	2947 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2948
38084 a812d0fae74a Get rid of __context__, per the latest changes to PEP 343 and python-dev Guido van Rossum <guido@python.org> parents: 37685 diff changeset	2949 /* Evaluate EXPR */
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2950 VISIT(c, expr, s->v.With.context_expr);
54329 145376df3ad7 add a SETUP_WITH opcode Benjamin Peterson <benjamin@python.org> parents: 54297 diff changeset	2951 ADDOP_JREL(c, SETUP_WITH, finally);
145376df3ad7 add a SETUP_WITH opcode Benjamin Peterson <benjamin@python.org> parents: 54297 diff changeset	2952
145376df3ad7 add a SETUP_WITH opcode Benjamin Peterson <benjamin@python.org> parents: 54297 diff changeset	2953 /* SETUP_WITH pushes a finally block. */
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2954 compiler_use_next_block(c, block);
58707 76cf60e2d005 normalize exceptions passed to the __exit__ method #7853 Benjamin Peterson <benjamin@python.org> parents: 58250 diff changeset	2955 /* Note that the block is actually called SETUP_WITH in ceval.c, but
76cf60e2d005 normalize exceptions passed to the __exit__ method #7853 Benjamin Peterson <benjamin@python.org> parents: 58250 diff changeset	2956 functions the same as SETUP_FINALLY except that exceptions are
76cf60e2d005 normalize exceptions passed to the __exit__ method #7853 Benjamin Peterson <benjamin@python.org> parents: 58250 diff changeset	2957 normalized. */
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2958 if (!compiler_push_fblock(c, FINALLY_TRY, block)) {
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	2959 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2960 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2961
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2962 if (s->v.With.optional_vars) {
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	2963 VISIT(c, expr, s->v.With.optional_vars);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2964 }
54329 145376df3ad7 add a SETUP_WITH opcode Benjamin Peterson <benjamin@python.org> parents: 54297 diff changeset	2965 else {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	2966 /* Discard result from context.__enter__() */
62453 e9fb042e46fb Fix misindents in compile.c (for Benjamin). Antoine Pitrou <solipsis@pitrou.net> parents: 61463 diff changeset	2967 ADDOP(c, POP_TOP);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2968 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2969
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2970 /* BLOCK code */
37614 72ceb1b30d4b per Jeremy's email, remove the _WITH_CAST versions of macros. g++ Anthony Baxter <anthonybaxter@gmail.com> parents: 37606 diff changeset	2971 VISIT_SEQ(c, stmt, s->v.With.body);
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2972
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2973 /* End of try block; start the finally block */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2974 ADDOP(c, POP_BLOCK);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2975 compiler_pop_fblock(c, FINALLY_TRY, block);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2976
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2977 ADDOP_O(c, LOAD_CONST, Py_None, consts);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2978 compiler_use_next_block(c, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2979 if (!compiler_push_fblock(c, FINALLY_END, finally))
62454 8836d271670b Merged revisions 82169 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 61465 diff changeset	2980 return 0;
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2981
45703 343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files) Nick Coghlan <ncoghlan@gmail.com> parents: 45511 diff changeset	2982 /* Finally block starts; context.__exit__ is on the stack under
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files) Nick Coghlan <ncoghlan@gmail.com> parents: 45511 diff changeset	2983 the exception or return information. Just issue our magic
343597c7d682 Speed up with statements by storing the __exit__ method on the stack instead of in a temp variable (bumps the magic number for pyc files) Nick Coghlan <ncoghlan@gmail.com> parents: 45511 diff changeset	2984 opcode. */
36695 b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2985 ADDOP(c, WITH_CLEANUP);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2986
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2987 /* Finally block ends. */
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2988 ADDOP(c, END_FINALLY);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2989 compiler_pop_fblock(c, FINALLY_END, finally);
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2990 return 1;
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2991 }
b6d2f6fd3e11 PEP 343 -- the with-statement. Guido van Rossum <guido@python.org> parents: 36666 diff changeset	2992
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2993 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2994 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	2995 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	2996 int i, n;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	2997
37390 5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	2998 /* If expr e has a different line number than the last expr/stmt,
5e1cf21d4ab2 Expand comments on line numbers and blocks. Jeremy Hylton <jeremy@alum.mit.edu> parents: 37067 diff changeset	2999 set a new line number for the next instruction.
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3000 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3001 if (e->lineno > c->u->u_lineno) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3002 c->u->u_lineno = e->lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3003 c->u->u_lineno_set = false;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3004 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3005 switch (e->kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3006 case BoolOp_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3007 return compiler_boolop(c, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3008 case BinOp_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3009 VISIT(c, expr, e->v.BinOp.left);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3010 VISIT(c, expr, e->v.BinOp.right);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3011 ADDOP(c, binop(c, e->v.BinOp.op));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3012 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3013 case UnaryOp_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3014 VISIT(c, expr, e->v.UnaryOp.operand);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3015 ADDOP(c, unaryop(e->v.UnaryOp.op));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3016 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3017 case Lambda_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3018 return compiler_lambda(c, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3019 case IfExp_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3020 return compiler_ifexp(c, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3021 case Dict_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3022 n = asdl_seq_LEN(e->v.Dict.values);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3023 ADDOP_I(c, BUILD_MAP, (n>0xFFFF ? 0xFFFF : n));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3024 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3025 VISIT(c, expr,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3026 (expr_ty)asdl_seq_GET(e->v.Dict.values, i));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3027 VISIT(c, expr,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3028 (expr_ty)asdl_seq_GET(e->v.Dict.keys, i));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3029 ADDOP(c, STORE_MAP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3030 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3031 break;
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3032 case Set_kind:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3033 n = asdl_seq_LEN(e->v.Set.elts);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3034 VISIT_SEQ(c, expr, e->v.Set.elts);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3035 ADDOP_I(c, BUILD_SET, n);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3036 break;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3037 case ListComp_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3038 return compiler_listcomp(c, e);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3039 case SetComp_kind:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3040 return compiler_setcomp(c, e);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3041 case DictComp_kind:
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3042 return compiler_dictcomp(c, e);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3043 case GeneratorExp_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3044 return compiler_genexp(c, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3045 case Yield_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3046 if (c->u->u_ste->ste_type != FunctionBlock)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3047 return compiler_error(c, "'yield' outside function");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3048 if (e->v.Yield.value) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3049 VISIT(c, expr, e->v.Yield.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3050 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3051 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3052 ADDOP_O(c, LOAD_CONST, Py_None, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3053 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3054 ADDOP(c, YIELD_VALUE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3055 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3056 case Compare_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3057 return compiler_compare(c, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3058 case Call_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3059 return compiler_call(c, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3060 case Repr_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3061 VISIT(c, expr, e->v.Repr.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3062 ADDOP(c, UNARY_CONVERT);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3063 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3064 case Num_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3065 ADDOP_O(c, LOAD_CONST, e->v.Num.n, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3066 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3067 case Str_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3068 ADDOP_O(c, LOAD_CONST, e->v.Str.s, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3069 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3070 /* The following exprs can be assignment targets. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3071 case Attribute_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3072 if (e->v.Attribute.ctx != AugStore)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3073 VISIT(c, expr, e->v.Attribute.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3074 switch (e->v.Attribute.ctx) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3075 case AugLoad:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3076 ADDOP(c, DUP_TOP);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3077 /* Fall through to load */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3078 case Load:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3079 ADDOP_NAME(c, LOAD_ATTR, e->v.Attribute.attr, names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3080 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3081 case AugStore:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3082 ADDOP(c, ROT_TWO);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3083 /* Fall through to save */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3084 case Store:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3085 ADDOP_NAME(c, STORE_ATTR, e->v.Attribute.attr, names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3086 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3087 case Del:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3088 ADDOP_NAME(c, DELETE_ATTR, e->v.Attribute.attr, names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3089 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3090 case Param:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3091 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3092 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3093 "param invalid in attribute expression");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3094 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3095 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3096 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3097 case Subscript_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3098 switch (e->v.Subscript.ctx) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3099 case AugLoad:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3100 VISIT(c, expr, e->v.Subscript.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3101 VISIT_SLICE(c, e->v.Subscript.slice, AugLoad);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3102 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3103 case Load:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3104 VISIT(c, expr, e->v.Subscript.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3105 VISIT_SLICE(c, e->v.Subscript.slice, Load);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3106 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3107 case AugStore:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3108 VISIT_SLICE(c, e->v.Subscript.slice, AugStore);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3109 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3110 case Store:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3111 VISIT(c, expr, e->v.Subscript.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3112 VISIT_SLICE(c, e->v.Subscript.slice, Store);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3113 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3114 case Del:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3115 VISIT(c, expr, e->v.Subscript.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3116 VISIT_SLICE(c, e->v.Subscript.slice, Del);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3117 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3118 case Param:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3119 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3120 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3121 "param invalid in subscript expression");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3122 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3123 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3124 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3125 case Name_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3126 return compiler_nameop(c, e->v.Name.id, e->v.Name.ctx);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3127 /* child nodes of List and Tuple will have expr_context set */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3128 case List_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3129 return compiler_list(c, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3130 case Tuple_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3131 return compiler_tuple(c, e);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3132 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3133 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3134 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3135
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3136 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3137 compiler_augassign(struct compiler *c, stmt_ty s)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3138 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3139 expr_ty e = s->v.AugAssign.target;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3140 expr_ty auge;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3141
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3142 assert(s->kind == AugAssign_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3143
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3144 switch (e->kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3145 case Attribute_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3146 auge = Attribute(e->v.Attribute.value, e->v.Attribute.attr,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3147 AugLoad, e->lineno, e->col_offset, c->c_arena);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3148 if (auge == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3149 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3150 VISIT(c, expr, auge);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3151 VISIT(c, expr, s->v.AugAssign.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3152 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3153 auge->v.Attribute.ctx = AugStore;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3154 VISIT(c, expr, auge);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3155 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3156 case Subscript_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3157 auge = Subscript(e->v.Subscript.value, e->v.Subscript.slice,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3158 AugLoad, e->lineno, e->col_offset, c->c_arena);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3159 if (auge == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3160 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3161 VISIT(c, expr, auge);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3162 VISIT(c, expr, s->v.AugAssign.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3163 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3164 auge->v.Subscript.ctx = AugStore;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3165 VISIT(c, expr, auge);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3166 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3167 case Name_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3168 if (!compiler_nameop(c, e->v.Name.id, Load))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3169 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3170 VISIT(c, expr, s->v.AugAssign.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3171 ADDOP(c, inplace_binop(c, s->v.AugAssign.op));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3172 return compiler_nameop(c, e->v.Name.id, Store);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3173 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3174 PyErr_Format(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3175 "invalid node type (%d) for augmented assignment",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3176 e->kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3177 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3178 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3179 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3180 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3181
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3182 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3183 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	3184 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3185 struct fblockinfo *f;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3186 if (c->u->u_nfblocks >= CO_MAXBLOCKS) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3187 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3188 "too many statically nested blocks");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3189 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3190 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3191 f = &c->u->u_fblock[c->u->u_nfblocks++];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3192 f->fb_type = t;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3193 f->fb_block = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3194 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3195 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3196
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3197 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3198 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	3199 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3200 struct compiler_unit *u = c->u;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3201 assert(u->u_nfblocks > 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3202 u->u_nfblocks--;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3203 assert(u->u_fblock[u->u_nfblocks].fb_type == t);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3204 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	3205 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3206
40044 9e0431fd674a Fix #1569998: no break inside try statement (outside loop) allowed. Georg Brandl <georg@python.org> parents: 40042 diff changeset	3207 static int
9e0431fd674a Fix #1569998: no break inside try statement (outside loop) allowed. Georg Brandl <georg@python.org> parents: 40042 diff changeset	3208 compiler_in_loop(struct compiler *c) {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3209 int i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3210 struct compiler_unit *u = c->u;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3211 for (i = 0; i < u->u_nfblocks; ++i) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3212 if (u->u_fblock[i].fb_type == LOOP)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3213 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3214 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3215 return 0;
40044 9e0431fd674a Fix #1569998: no break inside try statement (outside loop) allowed. Georg Brandl <georg@python.org> parents: 40042 diff changeset	3216 }
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3217 /* Raises a SyntaxError and returns 0.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3218 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	3219 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3220
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3221 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3222 compiler_error(struct compiler c, const char errstr)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3223 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3224 PyObject *loc;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3225 PyObject u = NULL, v = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3226
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3227 loc = PyErr_ProgramText(c->c_filename, c->u->u_lineno);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3228 if (!loc) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3229 Py_INCREF(Py_None);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3230 loc = Py_None;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3231 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3232 u = Py_BuildValue("(ziOO)", c->c_filename, c->u->u_lineno,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3233 Py_None, loc);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3234 if (!u)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3235 goto exit;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3236 v = Py_BuildValue("(zO)", errstr, u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3237 if (!v)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3238 goto exit;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3239 PyErr_SetObject(PyExc_SyntaxError, v);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3240 exit:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3241 Py_DECREF(loc);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3242 Py_XDECREF(u);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3243 Py_XDECREF(v);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3244 return 0;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3245 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3246
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3247 static int
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3248 compiler_handle_subscr(struct compiler c, const char kind,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3249 expr_context_ty ctx)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3250 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3251 int op = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3252
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3253 /* XXX this code is duplicated */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3254 switch (ctx) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3255 case AugLoad: /* fall through to Load */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3256 case Load: op = BINARY_SUBSCR; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3257 case AugStore:/* fall through to Store */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3258 case Store: op = STORE_SUBSCR; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3259 case Del: op = DELETE_SUBSCR; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3260 case Param:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3261 PyErr_Format(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3262 "invalid %s kind %d in subscript\n",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3263 kind, ctx);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3264 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3265 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3266 if (ctx == AugLoad) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3267 ADDOP_I(c, DUP_TOPX, 2);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3268 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3269 else if (ctx == AugStore) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3270 ADDOP(c, ROT_THREE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3271 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3272 ADDOP(c, op);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3273 return 1;
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3274 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3275
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3276 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3277 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	3278 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3279 int n = 2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3280 assert(s->kind == Slice_kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3281
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3282 /* only handles the cases where BUILD_SLICE is emitted */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3283 if (s->v.Slice.lower) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3284 VISIT(c, expr, s->v.Slice.lower);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3285 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3286 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3287 ADDOP_O(c, LOAD_CONST, Py_None, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3288 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3289
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3290 if (s->v.Slice.upper) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3291 VISIT(c, expr, s->v.Slice.upper);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3292 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3293 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3294 ADDOP_O(c, LOAD_CONST, Py_None, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3295 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3296
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3297 if (s->v.Slice.step) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3298 n++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3299 VISIT(c, expr, s->v.Slice.step);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3300 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3301 ADDOP_I(c, BUILD_SLICE, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3302 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3303 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3304
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3305 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3306 compiler_simple_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	3307 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3308 int op = 0, slice_offset = 0, stack_count = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3309
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3310 assert(s->v.Slice.step == NULL);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3311 if (s->v.Slice.lower) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3312 slice_offset++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3313 stack_count++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3314 if (ctx != AugStore)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3315 VISIT(c, expr, s->v.Slice.lower);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3316 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3317 if (s->v.Slice.upper) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3318 slice_offset += 2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3319 stack_count++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3320 if (ctx != AugStore)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3321 VISIT(c, expr, s->v.Slice.upper);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3322 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3323
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3324 if (ctx == AugLoad) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3325 switch (stack_count) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3326 case 0: ADDOP(c, DUP_TOP); break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3327 case 1: ADDOP_I(c, DUP_TOPX, 2); break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3328 case 2: ADDOP_I(c, DUP_TOPX, 3); break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3329 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3330 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3331 else if (ctx == AugStore) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3332 switch (stack_count) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3333 case 0: ADDOP(c, ROT_TWO); break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3334 case 1: ADDOP(c, ROT_THREE); break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3335 case 2: ADDOP(c, ROT_FOUR); break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3336 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3337 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3338
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3339 switch (ctx) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3340 case AugLoad: /* fall through to Load */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3341 case Load: op = SLICE; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3342 case AugStore:/* fall through to Store */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3343 case Store: op = STORE_SLICE; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3344 case Del: op = DELETE_SLICE; break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3345 case Param:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3346 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3347 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3348 "param invalid in simple slice");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3349 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3350 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3351
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3352 ADDOP(c, op + slice_offset);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3353 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3354 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3355
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3356 static int
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3357 compiler_visit_nested_slice(struct compiler *c, slice_ty s,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3358 expr_context_ty ctx)
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3359 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3360 switch (s->kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3361 case Ellipsis_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3362 ADDOP_O(c, LOAD_CONST, Py_Ellipsis, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3363 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3364 case Slice_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3365 return compiler_slice(c, s, ctx);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3366 case Index_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3367 VISIT(c, expr, s->v.Index.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3368 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3369 case ExtSlice_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3370 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3371 PyErr_SetString(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3372 "extended slice invalid in nested slice");
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3373 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3374 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3375 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3376 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3377
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3378 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3379 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	3380 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3381 char * kindname = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3382 switch (s->kind) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3383 case Index_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3384 kindname = "index";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3385 if (ctx != AugStore) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3386 VISIT(c, expr, s->v.Index.value);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3387 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3388 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3389 case Ellipsis_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3390 kindname = "ellipsis";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3391 if (ctx != AugStore) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3392 ADDOP_O(c, LOAD_CONST, Py_Ellipsis, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3393 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3394 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3395 case Slice_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3396 kindname = "slice";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3397 if (!s->v.Slice.step)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3398 return compiler_simple_slice(c, s, ctx);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3399 if (ctx != AugStore) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3400 if (!compiler_slice(c, s, ctx))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3401 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3402 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3403 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3404 case ExtSlice_kind:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3405 kindname = "extended slice";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3406 if (ctx != AugStore) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3407 int i, n = asdl_seq_LEN(s->v.ExtSlice.dims);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3408 for (i = 0; i < n; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3409 slice_ty sub = (slice_ty)asdl_seq_GET(
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3410 s->v.ExtSlice.dims, i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3411 if (!compiler_visit_nested_slice(c, sub, ctx))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3412 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3413 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3414 ADDOP_I(c, BUILD_TUPLE, n);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3415 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3416 break;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3417 default:
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3418 PyErr_Format(PyExc_SystemError,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3419 "invalid subscript kind %d", s->kind);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3420 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3421 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3422 return compiler_handle_subscr(c, kindname, ctx);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3423 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3424
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	3425
c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	3426 /* End of the compiler section, beginning of the assembler section */
c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	3427
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3428 /* 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	3429 post records the block indices in post-order.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3430
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3431 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	3432 */
c832ef72499d This patch introduces an extra pass to the compiler that generates a Jeremy Hylton <jeremy@alum.mit.edu> parents: 16006 diff changeset	3433
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	3434 struct assembler {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3435 PyObject a_bytecode; / string containing bytecode */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3436 int a_offset; /* offset into bytecode */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3437 int a_nblocks; /* number of reachable blocks */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3438 basicblock *a_postorder; / list of blocks in dfs postorder */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3439 PyObject a_lnotab; / string containing lnotab */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3440 int a_lnotab_off; /* offset into lnotab */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3441 int a_lineno; /* last lineno of emitted instruction */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3442 int a_lineno_off; /* bytecode offset of last lineno */
40256 c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	3443 };
c6774eb3a067 Update comments, remove commented out code. Neal Norwitz <nnorwitz@gmail.com> parents: 40241 diff changeset	3444
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3445 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3446 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	3447 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3448 int i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3449 struct instr *instr = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3450
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3451 if (b->b_seen)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3452 return;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3453 b->b_seen = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3454 if (b->b_next != NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3455 dfs(c, b->b_next, a);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3456 for (i = 0; i < b->b_iused; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3457 instr = &b->b_instr[i];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3458 if (instr->i_jrel \|\| instr->i_jabs)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3459 dfs(c, instr->i_target, a);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3460 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3461 a->a_postorder[a->a_nblocks++] = b;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3462 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3463
35860 9b885c934144 make internal method static Neal Norwitz <nnorwitz@gmail.com> parents: 35797 diff changeset	3464 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3465 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	3466 {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3467 int i, target_depth;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3468 struct instr *instr;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3469 if (b->b_seen \|\| b->b_startdepth >= depth)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3470 return maxdepth;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3471 b->b_seen = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3472 b->b_startdepth = depth;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3473 for (i = 0; i < b->b_iused; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3474 instr = &b->b_instr[i];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3475 depth += opcode_stack_effect(instr->i_opcode, instr->i_oparg);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3476 if (depth > maxdepth)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3477 maxdepth = depth;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3478 assert(depth >= 0); /* invalid code or bug in stackdepth() */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3479 if (instr->i_jrel \|\| instr->i_jabs) {
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3480 target_depth = depth;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3481 if (instr->i_opcode == FOR_ITER) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3482 target_depth = depth-2;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3483 } else if (instr->i_opcode == SETUP_FINALLY \|\|
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3484 instr->i_opcode == SETUP_EXCEPT) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3485 target_depth = depth+3;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3486 if (target_depth > maxdepth)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3487 maxdepth = target_depth;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3488 }
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3489 maxdepth = stackdepth_walk(c, instr->i_target,
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3490 target_depth, maxdepth);
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3491 if (instr->i_opcode == JUMP_ABSOLUTE \|\|
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3492 instr->i_opcode == JUMP_FORWARD) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3493 goto out; /* remaining code is dead */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3494 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3495 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3496 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3497 if (b->b_next)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3498 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	3499 out:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3500 b->b_seen = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3501 return maxdepth;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3502 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3503
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3504 /* 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	3505 * 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	3506 */
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3507 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3508 stackdepth(struct compiler *c)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3509 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3510 basicblock b, entryblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3511 entryblock = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3512 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3513 b->b_seen = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3514 b->b_startdepth = INT_MIN;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3515 entryblock = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3516 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3517 if (!entryblock)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3518 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3519 return stackdepth_walk(c, entryblock, 0, 0);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3520 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3521
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3522 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3523 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	3524 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3525 memset(a, 0, sizeof(struct assembler));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3526 a->a_lineno = firstlineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3527 a->a_bytecode = PyString_FromStringAndSize(NULL, DEFAULT_CODE_SIZE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3528 if (!a->a_bytecode)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3529 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3530 a->a_lnotab = PyString_FromStringAndSize(NULL, DEFAULT_LNOTAB_SIZE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3531 if (!a->a_lnotab)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3532 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3533 if (nblocks > PY_SIZE_MAX / sizeof(basicblock *)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3534 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3535 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3536 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3537 a->a_postorder = (basicblock **)PyObject_Malloc(
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3538 sizeof(basicblock ) nblocks);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3539 if (!a->a_postorder) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3540 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3541 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3542 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3543 return 1;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3544 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3545
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3546 static void
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3547 assemble_free(struct assembler *a)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3548 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3549 Py_XDECREF(a->a_bytecode);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3550 Py_XDECREF(a->a_lnotab);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3551 if (a->a_postorder)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3552 PyObject_Free(a->a_postorder);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3553 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3554
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3555 /* 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	3556
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3557 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3558 instrsize(struct instr *instr)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3559 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3560 if (!instr->i_hasarg)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3561 return 1; /* 1 byte for the opcode*/
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3562 if (instr->i_oparg > 0xffff)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3563 return 6; /* 1 (opcode) + 1 (EXTENDED_ARG opcode) + 2 (oparg) + 2(oparg extended) */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3564 return 3; /* 1 (opcode) + 2 (oparg) */
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3565 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3566
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3567 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3568 blocksize(basicblock *b)
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3569 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3570 int i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3571 int size = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3572
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3573 for (i = 0; i < b->b_iused; i++)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3574 size += instrsize(&b->b_instr[i]);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3575 return size;
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3576 }
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3577
54297 dddf424bd669 Issue #6042: Jeffrey Yasskin <jyasskin@gmail.com> parents: 51920 diff changeset	3578 /* Appends a pair to the end of the line number table, a_lnotab, representing
dddf424bd669 Issue #6042: Jeffrey Yasskin <jyasskin@gmail.com> parents: 51920 diff changeset	3579 the instruction's bytecode offset and line number. See
dddf424bd669 Issue #6042: Jeffrey Yasskin <jyasskin@gmail.com> parents: 51920 diff changeset	3580 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	3581
17518 f939ce52a734 Make some private symbols static. Guido van Rossum <guido@python.org> parents: 17355 diff changeset	3582 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3583 assemble_lnotab(struct assembler a, struct instr i)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3584 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3585 int d_bytecode, d_lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3586 int len;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3587 unsigned char *lnotab;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3588
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3589 d_bytecode = a->a_offset - a->a_lineno_off;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3590 d_lineno = i->i_lineno - a->a_lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3591
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3592 assert(d_bytecode >= 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3593 assert(d_lineno >= 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3594
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3595 if(d_bytecode == 0 && d_lineno == 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3596 return 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3597
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3598 if (d_bytecode > 255) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3599 int j, nbytes, ncodes = d_bytecode / 255;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3600 nbytes = a->a_lnotab_off + 2 * ncodes;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3601 len = PyString_GET_SIZE(a->a_lnotab);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3602 if (nbytes >= len) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3603 if ((len <= INT_MAX / 2) && (len * 2 < nbytes))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3604 len = nbytes;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3605 else if (len <= INT_MAX / 2)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3606 len *= 2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3607 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3608 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3609 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3610 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3611 if (_PyString_Resize(&a->a_lnotab, len) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3612 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3613 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3614 lnotab = (unsigned char *)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3615 PyString_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3616 for (j = 0; j < ncodes; j++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3617 *lnotab++ = 255;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3618 *lnotab++ = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3619 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3620 d_bytecode -= ncodes * 255;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3621 a->a_lnotab_off += ncodes * 2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3622 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3623 assert(d_bytecode <= 255);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3624 if (d_lineno > 255) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3625 int j, nbytes, ncodes = d_lineno / 255;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3626 nbytes = a->a_lnotab_off + 2 * ncodes;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3627 len = PyString_GET_SIZE(a->a_lnotab);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3628 if (nbytes >= len) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3629 if ((len <= INT_MAX / 2) && len * 2 < nbytes)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3630 len = nbytes;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3631 else if (len <= INT_MAX / 2)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3632 len *= 2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3633 else {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3634 PyErr_NoMemory();
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3635 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3636 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3637 if (_PyString_Resize(&a->a_lnotab, len) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3638 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3639 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3640 lnotab = (unsigned char *)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3641 PyString_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3642 *lnotab++ = d_bytecode;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3643 *lnotab++ = 255;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3644 d_bytecode = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3645 for (j = 1; j < ncodes; j++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3646 *lnotab++ = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3647 *lnotab++ = 255;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3648 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3649 d_lineno -= ncodes * 255;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3650 a->a_lnotab_off += ncodes * 2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3651 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3652
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3653 len = PyString_GET_SIZE(a->a_lnotab);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3654 if (a->a_lnotab_off + 2 >= len) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3655 if (_PyString_Resize(&a->a_lnotab, len * 2) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3656 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3657 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3658 lnotab = (unsigned char *)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3659 PyString_AS_STRING(a->a_lnotab) + a->a_lnotab_off;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3660
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3661 a->a_lnotab_off += 2;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3662 if (d_bytecode) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3663 *lnotab++ = d_bytecode;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3664 *lnotab++ = d_lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3665 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3666 else { /* First line of a block; def stmt, etc. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3667 *lnotab++ = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3668 *lnotab++ = d_lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3669 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3670 a->a_lineno = i->i_lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3671 a->a_lineno_off = a->a_offset;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3672 return 1;
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	3673 }
16015 c832ef72499d This patch introduces an extra pass to the compiler that generates a Jeremy Hylton <jeremy@alum.mit.edu> parents: 16006 diff changeset	3674
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3675 /* assemble_emit()
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3676 Extend the bytecode with a new instruction.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3677 Update lnotab if necessary.
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3678 */
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	3679
24855 bed5d5e536bc Add warnings for assignment or deletion of variables and attributes Guido van Rossum <guido@python.org> parents: 24854 diff changeset	3680 static int
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3681 assemble_emit(struct assembler a, struct instr i)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3682 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3683 int size, arg = 0, ext = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3684 Py_ssize_t len = PyString_GET_SIZE(a->a_bytecode);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3685 char *code;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3686
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3687 size = instrsize(i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3688 if (i->i_hasarg) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3689 arg = i->i_oparg;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3690 ext = arg >> 16;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3691 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3692 if (i->i_lineno && !assemble_lnotab(a, i))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3693 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3694 if (a->a_offset + size >= len) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3695 if (len > PY_SSIZE_T_MAX / 2)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3696 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3697 if (_PyString_Resize(&a->a_bytecode, len * 2) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3698 return 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3699 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3700 code = PyString_AS_STRING(a->a_bytecode) + a->a_offset;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3701 a->a_offset += size;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3702 if (size == 6) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3703 assert(i->i_hasarg);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3704 *code++ = (char)EXTENDED_ARG;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3705 *code++ = ext & 0xff;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3706 *code++ = ext >> 8;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3707 arg &= 0xffff;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3708 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3709 *code++ = i->i_opcode;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3710 if (i->i_hasarg) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3711 assert(size == 3 \|\| size == 6);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3712 *code++ = arg & 0xff;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3713 *code++ = arg >> 8;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3714 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3715 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	3716 }
30f8b654c2e5 SF Patch [ 429024 ] deal with some unary ops at compile time Jeremy Hylton <jeremy@alum.mit.edu> parents: 19177 diff changeset	3717
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	3718 static void
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3719 assemble_jump_offsets(struct assembler a, struct compiler c)
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3720 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3721 basicblock *b;
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3722 int bsize, totsize, extended_arg_count = 0, last_extended_arg_count;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3723 int i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3724
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3725 /* Compute the size of each block and fixup jump args.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3726 Replace block pointer with position in bytecode. */
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3727 do {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3728 totsize = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3729 for (i = a->a_nblocks - 1; i >= 0; i--) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3730 b = a->a_postorder[i];
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3731 bsize = blocksize(b);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3732 b->b_offset = totsize;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3733 totsize += bsize;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3734 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3735 last_extended_arg_count = extended_arg_count;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3736 extended_arg_count = 0;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3737 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3738 bsize = b->b_offset;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3739 for (i = 0; i < b->b_iused; i++) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3740 struct instr *instr = &b->b_instr[i];
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3741 /* Relative jumps are computed relative to
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3742 the instruction pointer after fetching
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3743 the jump instruction.
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3744 */
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3745 bsize += instrsize(instr);
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3746 if (instr->i_jabs)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3747 instr->i_oparg = instr->i_target->b_offset;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3748 else if (instr->i_jrel) {
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3749 int delta = instr->i_target->b_offset - bsize;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3750 instr->i_oparg = delta;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3751 }
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3752 else
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3753 continue;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3754 if (instr->i_oparg > 0xffff)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3755 extended_arg_count++;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3756 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3757 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3758
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3759 /* XXX: This is an awful hack that could hurt performance, but
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3760 on the bright side it should work until we come up
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3761 with a better solution.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3762
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3763 The issue is that in the first loop blocksize() is called
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3764 which calls instrsize() which requires i_oparg be set
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3765 appropriately. There is a bootstrap problem because
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3766 i_oparg is calculated in the second loop above.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3767
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3768 So we loop until we stop seeing new EXTENDED_ARGs.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3769 The only EXTENDED_ARGs that could be popping up are
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3770 ones in jump instructions. So this should converge
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3771 fairly quickly.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3772 */
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3773 } while (last_extended_arg_count != extended_arg_count);
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3774 }
cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3775
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	3776 static PyObject *
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	3777 dict_keys_inorder(PyObject *dict, int offset)
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	3778 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3779 PyObject tuple, k, *v;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3780 Py_ssize_t i, pos = 0, size = PyDict_Size(dict);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3781
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3782 tuple = PyTuple_New(size);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3783 if (tuple == NULL)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3784 return NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3785 while (PyDict_Next(dict, &pos, &k, &v)) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3786 i = PyInt_AS_LONG(v);
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3787 /* The keys of the dictionary are tuples. (see compiler_add_o)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3788 The object we want is always first, though. */
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3789 k = PyTuple_GET_ITEM(k, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3790 Py_INCREF(k);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3791 assert((i - offset) < size);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3792 assert((i - offset) >= 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3793 PyTuple_SET_ITEM(tuple, i - offset, k);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3794 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3795 return tuple;
16257 fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	3796 }
fd8c7203251f PEP 227 implementation Jeremy Hylton <jeremy@alum.mit.edu> parents: 16250 diff changeset	3797
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3798 static int
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3799 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	3800 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3801 PySTEntryObject *ste = c->u->u_ste;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3802 int flags = 0, n;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3803 if (ste->ste_type != ModuleBlock)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3804 flags \|= CO_NEWLOCALS;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3805 if (ste->ste_type == FunctionBlock) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3806 if (!ste->ste_unoptimized)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3807 flags \|= CO_OPTIMIZED;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3808 if (ste->ste_nested)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3809 flags \|= CO_NESTED;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3810 if (ste->ste_generator)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3811 flags \|= CO_GENERATOR;
61463 fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3812 if (ste->ste_varargs)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3813 flags \|= CO_VARARGS;
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3814 if (ste->ste_varkeywords)
fd25030223b0 Untabify C files. Will watch buildbots. Antoine Pitrou <solipsis@pitrou.net> parents: 59998 diff changeset	3815 flags \|= CO_VARKEYWORDS;
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3816 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3817
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3818 /* (Only) inherit compilerflags in PyCF_MASK */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3819 flags \|= (c->c_flags->cf_flags & PyCF_MASK);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3820
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3821 n = PyDict_Size(c->u->u_freevars);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3822 if (n < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3823 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3824 if (n == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3825 n = PyDict_Size(c->u->u_cellvars);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3826 if (n < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3827 return -1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3828 if (n == 0) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3829 flags \|= CO_NOFREE;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3830 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3831 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3832
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3833 return flags;
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	3834 }
eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	3835
5373 5880384d7c71 Quickly renamed the remaining files -- this directory is done. Guido van Rossum <guido@python.org> parents: 5287 diff changeset	3836 static PyCodeObject *
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3837 makecode(struct compiler c, struct assembler a)
4129 eedaa59341b9 Name mangling, what the heck! Guido van Rossum <guido@python.org> parents: 4003 diff changeset	3838 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3839 PyObject *tmp;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3840 PyCodeObject *co = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3841 PyObject *consts = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3842 PyObject *names = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3843 PyObject *varnames = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3844 PyObject *filename = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3845 PyObject *name = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3846 PyObject *freevars = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3847 PyObject *cellvars = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3848 PyObject *bytecode = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3849 int nlocals, flags;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3850
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3851 tmp = dict_keys_inorder(c->u->u_consts, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3852 if (!tmp)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3853 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3854 consts = PySequence_List(tmp); /* optimize_code requires a list */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3855 Py_DECREF(tmp);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3856
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3857 names = dict_keys_inorder(c->u->u_names, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3858 varnames = dict_keys_inorder(c->u->u_varnames, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3859 if (!consts \|\| !names \|\| !varnames)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3860 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3861
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3862 cellvars = dict_keys_inorder(c->u->u_cellvars, 0);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3863 if (!cellvars)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3864 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3865 freevars = dict_keys_inorder(c->u->u_freevars, PyTuple_Size(cellvars));
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3866 if (!freevars)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3867 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3868 filename = PyString_FromString(c->c_filename);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3869 if (!filename)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3870 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3871
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3872 nlocals = PyDict_Size(c->u->u_varnames);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3873 flags = compute_code_flags(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3874 if (flags < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3875 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3876
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3877 bytecode = PyCode_Optimize(a->a_bytecode, consts, names, a->a_lnotab);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3878 if (!bytecode)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3879 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3880
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3881 tmp = PyList_AsTuple(consts); /* PyCode_New requires a tuple */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3882 if (!tmp)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3883 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3884 Py_DECREF(consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3885 consts = tmp;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3886
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3887 co = PyCode_New(c->u->u_argcount, nlocals, stackdepth(c), flags,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3888 bytecode, consts, names, varnames,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3889 freevars, cellvars,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3890 filename, c->u->u_name,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3891 c->u->u_firstlineno,
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3892 a->a_lnotab);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3893 error:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3894 Py_XDECREF(consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3895 Py_XDECREF(names);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3896 Py_XDECREF(varnames);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3897 Py_XDECREF(filename);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3898 Py_XDECREF(name);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3899 Py_XDECREF(freevars);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3900 Py_XDECREF(cellvars);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3901 Py_XDECREF(bytecode);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3902 return co;
69 cccd534f2280 Initial revision Guido van Rossum <guido@python.org> parents: diff changeset	3903 }
5041 c497929b2371 Instead of emitting SET_LINENO instructions, generate a line number Guido van Rossum <guido@python.org> parents: 5011 diff changeset	3904
39363 b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3905
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3906 /* For debugging purposes only */
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3907 #if 0
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3908 static void
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3909 dump_instr(const struct instr *i)
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3910 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3911 const char *jrel = i->i_jrel ? "jrel " : "";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3912 const char *jabs = i->i_jabs ? "jabs " : "";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3913 char arg[128];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3914
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3915 *arg = '\0';
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3916 if (i->i_hasarg)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3917 sprintf(arg, "arg: %d ", i->i_oparg);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3918
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3919 fprintf(stderr, "line: %d, opcode: %d %s%s%s\n",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3920 i->i_lineno, i->i_opcode, arg, jabs, jrel);
39363 b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3921 }
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3922
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3923 static void
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3924 dump_basicblock(const basicblock *b)
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3925 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3926 const char *seen = b->b_seen ? "seen " : "";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3927 const char *b_return = b->b_return ? "return " : "";
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3928 fprintf(stderr, "used: %d, depth: %d, offset: %d %s%s\n",
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3929 b->b_iused, b->b_startdepth, b->b_offset, seen, b_return);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3930 if (b->b_instr) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3931 int i;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3932 for (i = 0; i < b->b_iused; i++) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3933 fprintf(stderr, " [%02d] ", i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3934 dump_instr(b->b_instr + i);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3935 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3936 }
39363 b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3937 }
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3938 #endif
b90a8b0395bd Bug #1191458: tracing over for loops now produces a line event Neal Norwitz <nnorwitz@gmail.com> parents: 39317 diff changeset	3939
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3940 static PyCodeObject *
1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3941 assemble(struct compiler *c, int addNone)
16781 5a1230de436a Preliminary support for future nested scopes Jeremy Hylton <jeremy@alum.mit.edu> parents: 16763 diff changeset	3942 {
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3943 basicblock b, entryblock;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3944 struct assembler a;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3945 int i, j, nblocks;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3946 PyCodeObject *co = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3947
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3948 /* Make sure every block that falls off the end returns None.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3949 XXX NEXT_BLOCK() isn't quite right, because if the last
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3950 block ends with a jump or return b_next shouldn't set.
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3951 */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3952 if (!c->u->u_curblock->b_return) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3953 NEXT_BLOCK(c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3954 if (addNone)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3955 ADDOP_O(c, LOAD_CONST, Py_None, consts);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3956 ADDOP(c, RETURN_VALUE);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3957 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3958
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3959 nblocks = 0;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3960 entryblock = NULL;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3961 for (b = c->u->u_blocks; b != NULL; b = b->b_list) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3962 nblocks++;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3963 entryblock = b;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3964 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3965
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3966 /* Set firstlineno if it wasn't explicitly set. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3967 if (!c->u->u_firstlineno) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3968 if (entryblock && entryblock->b_instr)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3969 c->u->u_firstlineno = entryblock->b_instr->i_lineno;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3970 else
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3971 c->u->u_firstlineno = 1;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3972 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3973 if (!assemble_init(&a, nblocks, c->u->u_firstlineno))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3974 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3975 dfs(c, entryblock, &a);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3976
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3977 /* Can't modify the bytecode after computing jump offsets. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3978 assemble_jump_offsets(&a, c);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3979
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3980 /* Emit code in reverse postorder from dfs. */
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3981 for (i = a.a_nblocks - 1; i >= 0; i--) {
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3982 b = a.a_postorder[i];
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3983 for (j = 0; j < b->b_iused; j++)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3984 if (!assemble_emit(&a, &b->b_instr[j]))
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3985 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3986 }
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3987
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3988 if (_PyString_Resize(&a.a_lnotab, a.a_lnotab_off) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3989 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3990 if (_PyString_Resize(&a.a_bytecode, a.a_offset) < 0)
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3991 goto error;
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3992
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3993 co = makecode(c, &a);
35742 1c4d192f1568 Merge ast-branch to head Jeremy Hylton <jeremy@alum.mit.edu> parents: 35310 diff changeset	3994 error:
61465 e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3995 assemble_free(&a);
e38335d4df91 Recorded merge of revisions 81029 via svnmerge from Antoine Pitrou <solipsis@pitrou.net> parents: 57500 diff changeset	3996 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	3997 }

Mercurial > cpython-lru_cache-weakref

annotate Python/compile.c @ 80661:94de77bd0b4b 2.7