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	svn+ssh://pythondev@svn.python.org/python/branches/p3yk
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  r56477 | martin.v.loewis | 2007-07-21 09:04:38 +0200 (Sa, 21 Jul 2007) | 11 lines
  Merged revisions 56466-56476 via svnmerge from
  svn+ssh://pythondev@svn.python.org/python/trunk
  ........
    r56476 | martin.v.loewis | 2007-07-21 08:55:02 +0200 (Sa, 21 Jul 2007) | 4 lines
    PEP 3123: Provide forward compatibility with Python 3.0, while keeping
    backwards compatibility. Add Py_Refcnt, Py_Type, Py_Size, and
    PyVarObject_HEAD_INIT.
  ........
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  r56478 | martin.v.loewis | 2007-07-21 09:47:23 +0200 (Sa, 21 Jul 2007) | 2 lines
  PEP 3123: Use proper C inheritance for PyObject.
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  r56479 | martin.v.loewis | 2007-07-21 10:06:55 +0200 (Sa, 21 Jul 2007) | 3 lines
  Add longintrepr.h to Python.h, so that the compiler can
  see that PyFalse is really some kind of PyObject*.
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  r56480 | martin.v.loewis | 2007-07-21 10:47:18 +0200 (Sa, 21 Jul 2007) | 2 lines
  Qualify SHIFT, MASK, BASE.
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  r56482 | martin.v.loewis | 2007-07-21 19:10:57 +0200 (Sa, 21 Jul 2007) | 2 lines
  Correctly refer to _ob_next.
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			99 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
	
		
			3.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Definitions for bytecode */
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#ifndef Py_CODE_H
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#define Py_CODE_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Bytecode object */
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typedef struct {
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    PyObject_HEAD
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    int co_argcount;		/* #arguments, except *args */
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    int co_kwonlyargcount;	/* #keyword only arguments */
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    int co_nlocals;		/* #local variables */
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    int co_stacksize;		/* #entries needed for evaluation stack */
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    int co_flags;		/* CO_..., see below */
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    PyObject *co_code;		/* instruction opcodes */
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    PyObject *co_consts;	/* list (constants used) */
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    PyObject *co_names;		/* list of strings (names used) */
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    PyObject *co_varnames;	/* tuple of strings (local variable names) */
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    PyObject *co_freevars;	/* tuple of strings (free variable names) */
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    PyObject *co_cellvars;      /* tuple of strings (cell variable names) */
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    /* The rest doesn't count for hash/cmp */
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    PyObject *co_filename;	/* string (where it was loaded from) */
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    PyObject *co_name;		/* string (name, for reference) */
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    int co_firstlineno;		/* first source line number */
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    PyObject *co_lnotab;	/* string (encoding addr<->lineno mapping) */
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    void *co_zombieframe;     /* for optimization only (see frameobject.c) */
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} PyCodeObject;
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/* Masks for co_flags above */
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#define CO_OPTIMIZED	0x0001
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#define CO_NEWLOCALS	0x0002
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#define CO_VARARGS	0x0004
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#define CO_VARKEYWORDS	0x0008
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#define CO_NESTED       0x0010
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#define CO_GENERATOR    0x0020
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/* The CO_NOFREE flag is set if there are no free or cell variables.
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   This information is redundant, but it allows a single flag test
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   to determine whether there is any extra work to be done when the
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   call frame it setup.
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*/
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#define CO_NOFREE       0x0040
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#if 0
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/* These are no longer used. */
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#define CO_GENERATOR_ALLOWED    0x1000
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#define CO_FUTURE_DIVISION    	0x2000
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#define CO_FUTURE_ABSOLUTE_IMPORT 0x4000 /* do absolute imports by default */
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#define CO_FUTURE_WITH_STATEMENT  0x8000
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#endif
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/* This should be defined if a future statement modifies the syntax.
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   For example, when a keyword is added.
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*/
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/* #define PY_PARSER_REQUIRES_FUTURE_KEYWORD */
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#define CO_MAXBLOCKS 20 /* Max static block nesting within a function */
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PyAPI_DATA(PyTypeObject) PyCode_Type;
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#define PyCode_Check(op) (Py_Type(op) == &PyCode_Type)
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#define PyCode_GetNumFree(op) (PyTuple_GET_SIZE((op)->co_freevars))
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/* Public interface */
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PyAPI_FUNC(PyCodeObject *) PyCode_New(
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	int, int, int, int, int, PyObject *, PyObject *,
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	PyObject *, PyObject *, PyObject *, PyObject *,
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	PyObject *, PyObject *, int, PyObject *); 
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        /* same as struct above */
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PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject *, int);
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/* for internal use only */
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#define _PyCode_GETCODEPTR(co, pp) \
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	((*Py_Type((co)->co_code)->tp_as_buffer->bf_getreadbuffer) \
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	 ((co)->co_code, 0, (void **)(pp)))
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typedef struct _addr_pair {
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        int ap_lower;
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        int ap_upper;
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} PyAddrPair;
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/* Check whether lasti (an instruction offset) falls outside bounds
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   and whether it is a line number that should be traced.  Returns
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   a line number if it should be traced or -1 if the line should not.
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   If lasti is not within bounds, updates bounds.
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*/
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PyAPI_FUNC(int) PyCode_CheckLineNumber(PyCodeObject* co,
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                                       int lasti, PyAddrPair *bounds);
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PyAPI_FUNC(PyObject*) PyCode_Optimize(PyObject *code, PyObject* consts,
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                                      PyObject *names, PyObject *lineno_obj);
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_CODE_H */
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