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-
- /* Frame object interface */
-
- #ifndef Py_FRAMEOBJECT_H
- #define Py_FRAMEOBJECT_H
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- typedef struct {
- int b_type; /* what kind of block this is */
- int b_handler; /* where to jump to find handler */
- int b_level; /* value stack level to pop to */
- } PyTryBlock;
-
- typedef struct _frame {
- PyObject_HEAD
- struct _frame *f_back; /* previous frame, or NULL */
- PyCodeObject *f_code; /* code segment */
- PyObject *f_builtins; /* builtin symbol table (PyDictObject) */
- PyObject *f_globals; /* global symbol table (PyDictObject) */
- PyObject *f_locals; /* local symbol table (PyDictObject) */
- PyObject **f_valuestack; /* points after the last local */
- PyObject *f_trace; /* Trace function */
- PyObject *f_exc_type, *f_exc_value, *f_exc_traceback;
- PyThreadState *f_tstate;
- int f_lasti; /* Last instruction if called */
- int f_lineno; /* Current line number */
- int f_restricted; /* Flag set if restricted operations
- in this scope */
- int f_iblock; /* index in f_blockstack */
- PyTryBlock f_blockstack[CO_MAXBLOCKS]; /* for try and loop blocks */
- int f_nlocals; /* number of locals */
- int f_stacksize; /* size of value stack */
- PyObject *f_localsplus[1]; /* locals+stack, dynamically sized */
- } PyFrameObject;
-
-
- /* Standard object interface */
-
- extern DL_IMPORT(PyTypeObject) PyFrame_Type;
-
- #define PyFrame_Check(op) ((op)->ob_type == &PyFrame_Type)
-
- DL_IMPORT(PyFrameObject *) PyFrame_New(PyThreadState *, PyCodeObject *,
- PyObject *, PyObject *);
-
-
- /* The rest of the interface is specific for frame objects */
-
- /* Tuple access macros */
-
- #ifndef Py_DEBUG
- #define GETITEM(v, i) PyTuple_GET_ITEM((PyTupleObject *)(v), (i))
- #define GETITEMNAME(v, i) \
- PyString_AS_STRING((PyStringObject *)GETITEM((v), (i)))
- #else
- #define GETITEM(v, i) PyTuple_GetItem((v), (i))
- #define GETITEMNAME(v, i) PyString_AsString(GETITEM(v, i))
- #endif
-
- #define GETUSTRINGVALUE(s) ((unsigned char *)PyString_AS_STRING(s))
-
- /* Code access macros */
-
- #define Getconst(f, i) (GETITEM((f)->f_code->co_consts, (i)))
- #define Getname(f, i) (GETITEMNAME((f)->f_code->co_names, (i)))
- #define Getnamev(f, i) (GETITEM((f)->f_code->co_names, (i)))
-
-
- /* Block management functions */
-
- DL_IMPORT(void) PyFrame_BlockSetup(PyFrameObject *, int, int, int);
- DL_IMPORT(PyTryBlock *) PyFrame_BlockPop(PyFrameObject *);
-
- /* Extend the value stack */
-
- DL_IMPORT(PyObject **) PyFrame_ExtendStack(PyFrameObject *, int, int);
-
- /* Conversions between "fast locals" and locals in dictionary */
-
- DL_IMPORT(void) PyFrame_LocalsToFast(PyFrameObject *, int);
- DL_IMPORT(void) PyFrame_FastToLocals(PyFrameObject *);
-
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_FRAMEOBJECT_H */
-