1993-07-28 06:05:47 -03:00
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#ifndef Py_OPCODE_H
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#define Py_OPCODE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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1991-02-19 08:39:46 -04:00
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1990-11-18 13:27:39 -04:00
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/* Instruction opcodes for compiled code */
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1990-12-20 11:06:42 -04:00
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#define STOP_CODE 0
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1990-11-18 13:27:39 -04:00
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#define POP_TOP 1
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#define ROT_TWO 2
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#define ROT_THREE 3
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1990-12-20 11:06:42 -04:00
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#define DUP_TOP 4
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2000-08-24 17:09:45 -03:00
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#define ROT_FOUR 5
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2004-06-21 13:31:15 -03:00
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#define NOP 9
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1990-11-18 13:27:39 -04:00
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#define UNARY_POSITIVE 10
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#define UNARY_NEGATIVE 11
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#define UNARY_NOT 12
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#define UNARY_CONVERT 13
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1995-07-18 11:21:06 -03:00
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1991-10-24 11:59:31 -03:00
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#define UNARY_INVERT 15
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1990-11-18 13:27:39 -04:00
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1996-01-11 20:51:44 -04:00
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#define BINARY_POWER 19
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1990-11-18 13:27:39 -04:00
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#define BINARY_MULTIPLY 20
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#define BINARY_DIVIDE 21
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#define BINARY_MODULO 22
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#define BINARY_ADD 23
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#define BINARY_SUBTRACT 24
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#define BINARY_SUBSCR 25
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2001-08-08 02:00:18 -03:00
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#define BINARY_FLOOR_DIVIDE 26
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#define BINARY_TRUE_DIVIDE 27
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#define INPLACE_FLOOR_DIVIDE 28
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#define INPLACE_TRUE_DIVIDE 29
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1990-11-18 13:27:39 -04:00
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#define SLICE 30
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/* Also uses 31-33 */
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#define STORE_SLICE 40
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/* Also uses 41-43 */
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#define DELETE_SLICE 50
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/* Also uses 51-53 */
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2007-12-18 14:26:18 -04:00
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#define STORE_MAP 54
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2000-08-24 17:09:45 -03:00
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#define INPLACE_ADD 55
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#define INPLACE_SUBTRACT 56
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#define INPLACE_MULTIPLY 57
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#define INPLACE_DIVIDE 58
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#define INPLACE_MODULO 59
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1990-11-18 13:27:39 -04:00
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#define STORE_SUBSCR 60
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#define DELETE_SUBSCR 61
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1991-10-24 11:59:31 -03:00
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#define BINARY_LSHIFT 62
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#define BINARY_RSHIFT 63
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#define BINARY_AND 64
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#define BINARY_XOR 65
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#define BINARY_OR 66
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2000-08-24 17:09:45 -03:00
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#define INPLACE_POWER 67
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2001-04-20 16:13:02 -03:00
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#define GET_ITER 68
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1991-10-24 11:59:31 -03:00
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1990-11-18 13:27:39 -04:00
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#define PRINT_EXPR 70
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#define PRINT_ITEM 71
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#define PRINT_NEWLINE 72
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2000-08-21 12:36:27 -03:00
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#define PRINT_ITEM_TO 73
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#define PRINT_NEWLINE_TO 74
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2000-08-24 17:09:45 -03:00
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#define INPLACE_LSHIFT 75
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#define INPLACE_RSHIFT 76
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#define INPLACE_AND 77
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#define INPLACE_XOR 78
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#define INPLACE_OR 79
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1990-11-18 13:27:39 -04:00
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#define BREAK_LOOP 80
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2006-02-27 18:32:47 -04:00
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#define WITH_CLEANUP 81
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1990-11-18 13:38:15 -04:00
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#define LOAD_LOCALS 82
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1990-11-18 13:27:39 -04:00
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#define RETURN_VALUE 83
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2000-08-17 19:55:00 -03:00
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#define IMPORT_STAR 84
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1993-10-18 14:06:59 -03:00
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#define EXEC_STMT 85
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2001-06-18 19:08:13 -03:00
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#define YIELD_VALUE 86
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1990-11-18 13:27:39 -04:00
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#define POP_BLOCK 87
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#define END_FINALLY 88
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1990-11-18 13:38:15 -04:00
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#define BUILD_CLASS 89
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1990-11-18 13:27:39 -04:00
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#define HAVE_ARGUMENT 90 /* Opcodes from here have an argument: */
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#define STORE_NAME 90 /* Index in name list */
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#define DELETE_NAME 91 /* "" */
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2000-08-11 19:15:52 -03:00
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#define UNPACK_SEQUENCE 92 /* Number of sequence items */
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2001-04-20 16:13:02 -03:00
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#define FOR_ITER 93
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2008-12-16 20:38:28 -04:00
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#define LIST_APPEND 94
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2000-08-11 19:15:52 -03:00
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1990-11-18 13:27:39 -04:00
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#define STORE_ATTR 95 /* Index in name list */
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#define DELETE_ATTR 96 /* "" */
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1991-12-10 09:59:17 -04:00
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#define STORE_GLOBAL 97 /* "" */
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#define DELETE_GLOBAL 98 /* "" */
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2000-08-24 17:09:45 -03:00
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#define DUP_TOPX 99 /* number of items to duplicate */
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1990-11-18 13:27:39 -04:00
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#define LOAD_CONST 100 /* Index in const list */
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#define LOAD_NAME 101 /* Index in name list */
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#define BUILD_TUPLE 102 /* Number of tuple items */
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#define BUILD_LIST 103 /* Number of list items */
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2010-01-09 19:35:54 -04:00
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#define BUILD_SET 104 /* Number of set items */
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#define BUILD_MAP 105 /* Always zero for now */
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#define LOAD_ATTR 106 /* Index in name list */
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#define COMPARE_OP 107 /* Comparison operator */
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#define IMPORT_NAME 108 /* Index in name list */
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#define IMPORT_FROM 109 /* Index in name list */
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1990-11-18 13:27:39 -04:00
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#define JUMP_FORWARD 110 /* Number of bytes to skip */
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2010-01-09 19:35:54 -04:00
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2009-02-28 15:03:21 -04:00
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#define JUMP_IF_FALSE_OR_POP 111 /* Target byte offset from beginning
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of code */
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#define JUMP_IF_TRUE_OR_POP 112 /* "" */
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#define JUMP_ABSOLUTE 113 /* "" */
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#define POP_JUMP_IF_FALSE 114 /* "" */
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#define POP_JUMP_IF_TRUE 115 /* "" */
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1990-11-18 13:27:39 -04:00
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1991-04-04 06:45:01 -04:00
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#define LOAD_GLOBAL 116 /* Index in name list */
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2001-02-01 18:48:12 -04:00
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#define CONTINUE_LOOP 119 /* Start of loop (absolute) */
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2007-07-11 16:41:49 -03:00
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#define SETUP_LOOP 120 /* Target address (relative) */
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1990-11-18 13:27:39 -04:00
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#define SETUP_EXCEPT 121 /* "" */
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#define SETUP_FINALLY 122 /* "" */
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1993-03-30 09:18:41 -04:00
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#define LOAD_FAST 124 /* Local variable number */
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#define STORE_FAST 125 /* Local variable number */
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#define DELETE_FAST 126 /* Local variable number */
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1995-07-07 19:32:10 -03:00
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#define RAISE_VARARGS 130 /* Number of raise arguments (1, 2 or 3) */
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2000-03-28 19:49:17 -04:00
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/* CALL_FUNCTION_XXX opcodes defined below depend on this definition */
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1995-07-07 19:32:10 -03:00
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#define CALL_FUNCTION 131 /* #args + (#kwargs<<8) */
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1995-07-18 11:21:06 -03:00
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#define MAKE_FUNCTION 132 /* #defaults */
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1996-07-30 13:41:26 -03:00
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#define BUILD_SLICE 133 /* Number of items */
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1995-07-07 19:32:10 -03:00
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PEP 227 implementation
The majority of the changes are in the compiler. The mainloop changes
primarily to implement the new opcodes and to pass a function's
closure to eval_code2(). Frames and functions got new slots to hold
the closure.
Include/compile.h
Add co_freevars and co_cellvars slots to code objects.
Update PyCode_New() to take freevars and cellvars as arguments
Include/funcobject.h
Add func_closure slot to function objects.
Add GetClosure()/SetClosure() functions (and corresponding
macros) for getting at the closure.
Include/frameobject.h
PyFrame_New() now takes a closure.
Include/opcode.h
Add four new opcodes: MAKE_CLOSURE, LOAD_CLOSURE, LOAD_DEREF,
STORE_DEREF.
Remove comment about old requirement for opcodes to fit in 7
bits.
compile.c
Implement changes to code objects for co_freevars and co_cellvars.
Modify symbol table to use st_cur_name (string object for the name
of the current scope) and st_cur_children (list of nested blocks).
Also define st_nested, which might more properly be called
st_cur_nested. Add several DEF_XXX flags to track def-use
information for free variables.
New or modified functions of note:
com_make_closure(struct compiling *, PyCodeObject *)
Emit LOAD_CLOSURE opcodes as needed to pass cells for free
variables into nested scope.
com_addop_varname(struct compiling *, int, char *)
Emits opcodes for LOAD_DEREF and STORE_DEREF.
get_ref_type(struct compiling *, char *name)
Return NAME_CLOSURE if ref type is FREE or CELL
symtable_load_symbols(struct compiling *)
Decides what variables are cell or free based on def-use info.
Can now raise SyntaxError if nested scopes are mixed with
exec or from blah import *.
make_scope_info(PyObject *, PyObject *, int, int)
Helper functions for symtable scope stack.
symtable_update_free_vars(struct symtable *)
After a code block has been analyzed, it must check each of
its children for free variables that are not defined in the
block. If a variable is free in a child and not defined in
the parent, then it is defined by block the enclosing the
current one or it is a global. This does the right logic.
symtable_add_use() is now a macro for symtable_add_def()
symtable_assign(struct symtable *, node *)
Use goto instead of for (;;)
Fixed bug in symtable where name of keyword argument in function
call was treated as assignment in the scope of the call site. Ex:
def f():
g(a=2) # a was considered a local of f
ceval.c
eval_code2() now take one more argument, a closure.
Implement LOAD_CLOSURE, LOAD_DEREF, STORE_DEREF, MAKE_CLOSURE>
Also: When name error occurs for global variable, report that the
name was global in the error mesage.
Objects/frameobject.c
Initialize f_closure to be a tuple containing space for cellvars
and freevars. f_closure is NULL if neither are present.
Objects/funcobject.c
Add support for func_closure.
Python/import.c
Change the magic number.
Python/marshal.c
Track changes to code objects.
2001-01-25 16:06:59 -04:00
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#define MAKE_CLOSURE 134 /* #free vars */
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#define LOAD_CLOSURE 135 /* Load free variable from closure */
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#define LOAD_DEREF 136 /* Load and dereference from closure cell */
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#define STORE_DEREF 137 /* Store into cell */
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2000-03-28 19:49:17 -04:00
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/* The next 3 opcodes must be contiguous and satisfy
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2000-03-28 20:10:03 -04:00
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(CALL_FUNCTION_VAR - CALL_FUNCTION) & 3 == 1 */
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2000-03-28 19:49:17 -04:00
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#define CALL_FUNCTION_VAR 140 /* #args + (#kwargs<<8) */
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#define CALL_FUNCTION_KW 141 /* #args + (#kwargs<<8) */
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#define CALL_FUNCTION_VAR_KW 142 /* #args + (#kwargs<<8) */
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2009-05-25 10:13:44 -03:00
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#define SETUP_WITH 143
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2000-08-23 21:32:09 -03:00
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/* Support for opargs more than 16 bits long */
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2009-05-25 10:13:44 -03:00
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#define EXTENDED_ARG 145
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2000-08-23 21:32:09 -03:00
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2010-01-11 18:36:12 -04:00
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#define SET_ADD 146
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#define MAP_ADD 147
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2002-01-01 15:59:11 -04:00
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enum cmp_op {PyCmp_LT=Py_LT, PyCmp_LE=Py_LE, PyCmp_EQ=Py_EQ, PyCmp_NE=Py_NE, PyCmp_GT=Py_GT, PyCmp_GE=Py_GE,
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PyCmp_IN, PyCmp_NOT_IN, PyCmp_IS, PyCmp_IS_NOT, PyCmp_EXC_MATCH, PyCmp_BAD};
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1990-12-20 11:06:42 -04:00
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#define HAS_ARG(op) ((op) >= HAVE_ARGUMENT)
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1993-07-28 06:05:47 -03:00
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_OPCODE_H */
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