123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116 |
- /* 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 str 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 */
|