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/* Definitions for bytecode */
#ifndef Py_CODE_H
#define Py_CODE_H
#ifdef __cplusplus
extern "C" {#endif
/* Bytecode object */typedef struct { PyObject_HEAD int co_argcount; /* #arguments, except *args */ int co_nlocals; /* #local variables */ int co_stacksize; /* #entries needed for evaluation stack */ int co_flags; /* CO_..., see below */ PyObject *co_code; /* instruction opcodes */ PyObject *co_consts; /* list (constants used) */ PyObject *co_names; /* list of strings (names used) */ PyObject *co_varnames; /* tuple of strings (local variable names) */ PyObject *co_freevars; /* tuple of strings (free variable names) */ PyObject *co_cellvars; /* tuple of strings (cell variable names) */ /* The rest doesn't count for hash/cmp */ PyObject *co_filename; /* string (where it was loaded from) */ PyObject *co_name; /* string (name, for reference) */ int co_firstlineno; /* first source line number */ PyObject *co_lnotab; /* string (encoding addr<->lineno mapping) */ void *co_zombieframe; /* for optimization only (see frameobject.c) */} PyCodeObject;
/* Masks for co_flags above */#define CO_OPTIMIZED 0x0001
#define CO_NEWLOCALS 0x0002
#define CO_VARARGS 0x0004
#define CO_VARKEYWORDS 0x0008
#define CO_NESTED 0x0010
#define CO_GENERATOR 0x0020
/* The CO_NOFREE flag is set if there are no free or cell variables.
This information is redundant, but it allows a single flag test to determine whether there is any extra work to be done when the call frame it setup.*/#define CO_NOFREE 0x0040
#if 0
/* This is no longer used. Stopped defining in 2.5, do not re-use. */#define CO_GENERATOR_ALLOWED 0x1000
#endif
#define CO_FUTURE_DIVISION 0x2000
#define CO_FUTURE_ABSOLUTE_IMPORT 0x4000 /* do absolute imports by default */
#define CO_FUTURE_WITH_STATEMENT 0x8000
/* This should be defined if a future statement modifies the syntax.
For example, when a keyword is added.*/#define PY_PARSER_REQUIRES_FUTURE_KEYWORD
#define CO_MAXBLOCKS 20 /* Max static block nesting within a function */
PyAPI_DATA(PyTypeObject) PyCode_Type;
#define PyCode_Check(op) ((op)->ob_type == &PyCode_Type)
#define PyCode_GetNumFree(op) (PyTuple_GET_SIZE((op)->co_freevars))
/* Public interface */PyAPI_FUNC(PyCodeObject *) PyCode_New( int, int, int, int, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, PyObject *, int, PyObject *); /* same as struct above */PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject *, int);
/* for internal use only */#define _PyCode_GETCODEPTR(co, pp) \
((*(co)->co_code->ob_type->tp_as_buffer->bf_getreadbuffer) \ ((co)->co_code, 0, (void **)(pp)))
typedef struct _addr_pair { int ap_lower; int ap_upper;} PyAddrPair;
/* Check whether lasti (an instruction offset) falls outside bounds
and whether it is a line number that should be traced. Returns a line number if it should be traced or -1 if the line should not.
If lasti is not within bounds, updates bounds.*/
PyAPI_FUNC(int) PyCode_CheckLineNumber(PyCodeObject* co, int lasti, PyAddrPair *bounds);
#ifdef __cplusplus
}#endif
#endif /* !Py_CODE_H */
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