123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384 |
- /* Frame object interface */
- #ifndef Py_CPYTHON_FRAMEOBJECT_H
- # error "this header file must not be included directly"
- #endif
- #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;
- struct _frame {
- PyObject_VAR_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 (any mapping) */
- PyObject **f_valuestack; /* points after the last local */
- /* Next free slot in f_valuestack. Frame creation sets to f_valuestack.
- Frame evaluation usually NULLs it, but a frame that yields sets it
- to the current stack top. */
- PyObject **f_stacktop;
- PyObject *f_trace; /* Trace function */
- char f_trace_lines; /* Emit per-line trace events? */
- char f_trace_opcodes; /* Emit per-opcode trace events? */
- /* Borrowed reference to a generator, or NULL */
- PyObject *f_gen;
- int f_lasti; /* Last instruction if called */
- /* Call PyFrame_GetLineNumber() instead of reading this field
- directly. As of 2.3 f_lineno is only valid when tracing is
- active (i.e. when f_trace is set). At other times we use
- PyCode_Addr2Line to calculate the line from the current
- bytecode index. */
- int f_lineno; /* Current line number */
- int f_iblock; /* index in f_blockstack */
- char f_executing; /* whether the frame is still executing */
- PyTryBlock f_blockstack[CO_MAXBLOCKS]; /* for try and loop blocks */
- PyObject *f_localsplus[1]; /* locals+stack, dynamically sized */
- };
- /* Standard object interface */
- PyAPI_DATA(PyTypeObject) PyFrame_Type;
- #define PyFrame_Check(op) Py_IS_TYPE(op, &PyFrame_Type)
- PyAPI_FUNC(PyFrameObject *) PyFrame_New(PyThreadState *, PyCodeObject *,
- PyObject *, PyObject *);
- /* only internal use */
- PyFrameObject* _PyFrame_New_NoTrack(PyThreadState *, PyCodeObject *,
- PyObject *, PyObject *);
- /* The rest of the interface is specific for frame objects */
- /* Block management functions */
- PyAPI_FUNC(void) PyFrame_BlockSetup(PyFrameObject *, int, int, int);
- PyAPI_FUNC(PyTryBlock *) PyFrame_BlockPop(PyFrameObject *);
- /* Conversions between "fast locals" and locals in dictionary */
- PyAPI_FUNC(void) PyFrame_LocalsToFast(PyFrameObject *, int);
- PyAPI_FUNC(int) PyFrame_FastToLocalsWithError(PyFrameObject *f);
- PyAPI_FUNC(void) PyFrame_FastToLocals(PyFrameObject *);
- PyAPI_FUNC(void) _PyFrame_DebugMallocStats(FILE *out);
- PyAPI_FUNC(PyFrameObject *) PyFrame_GetBack(PyFrameObject *frame);
- #ifdef __cplusplus
- }
- #endif
|