Edit File: code.h
/* 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) See Objects/lnotab_notes.txt for details. */ void *co_zombieframe; /* for optimization only (see frameobject.c) */ PyObject *co_weakreflist; /* to support weakrefs to code objects */ } 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 #define CO_FUTURE_PRINT_FUNCTION 0x10000 #define CO_FUTURE_UNICODE_LITERALS 0x20000 /* This should be defined if a future statement modifies the syntax. For example, when a keyword is added. */ #if 1 #define PY_PARSER_REQUIRES_FUTURE_KEYWORD #endif #define CO_MAXBLOCKS 20 /* Max static block nesting within a function */ PyAPI_DATA(PyTypeObject) PyCode_Type; #define PyCode_Check(op) (Py_TYPE(op) == &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 */ /* Creates a new empty code object with the specified source location. */ PyAPI_FUNC(PyCodeObject *) PyCode_NewEmpty(const char *filename, const char *funcname, int firstlineno); /* Return the line number associated with the specified bytecode index in this code object. If you just need the line number of a frame, use PyFrame_GetLineNumber() instead. */ PyAPI_FUNC(int) PyCode_Addr2Line(PyCodeObject *, int); /* for internal use only */ #define _PyCode_GETCODEPTR(co, pp) \ ((*Py_TYPE((co)->co_code)->tp_as_buffer->bf_getreadbuffer) \ ((co)->co_code, 0, (void **)(pp))) typedef struct _addr_pair { int ap_lower; int ap_upper; } PyAddrPair; /* Update *bounds to describe the first and one-past-the-last instructions in the same line as lasti. Return the number of that line. */ PyAPI_FUNC(int) _PyCode_CheckLineNumber(PyCodeObject* co, int lasti, PyAddrPair *bounds); /* Create a comparable key used to compare constants taking in account the * object type. It is used to make sure types are not coerced (e.g., float and * complex) _and_ to distinguish 0.0 from -0.0 e.g. on IEEE platforms * * Return (type(obj), obj, ...): a tuple with variable size (at least 2 items) * depending on the type and the value. The type is the first item to not * compare bytes and unicode which can raise a BytesWarning exception. */ PyAPI_FUNC(PyObject*) _PyCode_ConstantKey(PyObject *obj); PyAPI_FUNC(PyObject*) PyCode_Optimize(PyObject *code, PyObject* consts, PyObject *names, PyObject *lineno_obj); #ifdef __cplusplus } #endif #endif /* !Py_CODE_H */
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