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113 lines
3.8 KiB
C
113 lines
3.8 KiB
C
#ifndef Py_FRAMEOBJECT_H
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#define Py_FRAMEOBJECT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/***********************************************************
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Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
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The Netherlands.
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All Rights Reserved
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Permission to use, copy, modify, and distribute this software and its
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documentation for any purpose and without fee is hereby granted,
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provided that the above copyright notice appear in all copies and that
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both that copyright notice and this permission notice appear in
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supporting documentation, and that the names of Stichting Mathematisch
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Centrum or CWI not be used in advertising or publicity pertaining to
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distribution of the software without specific, written prior permission.
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STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
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THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
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FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
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OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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******************************************************************/
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/* Frame object interface */
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typedef struct {
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int b_type; /* what kind of block this is */
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int b_handler; /* where to jump to find handler */
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int b_level; /* value stack level to pop to */
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} PyTryBlock;
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typedef struct _frame {
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PyObject_HEAD
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struct _frame *f_back; /* previous frame, or NULL */
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PyCodeObject *f_code; /* code segment */
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PyObject *f_builtins; /* builtin symbol table (PyDictObject) */
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PyObject *f_globals; /* global symbol table (PyDictObject) */
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PyObject *f_locals; /* local symbol table (PyDictObject) */
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PyObject *f_owner; /* owner (e.g. class or module) or NULL */
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PyObject *f_fastlocals; /* fast local variables (PyListObject) */
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PyObject *f_localmap; /* local variable names (PyDictObject) */
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PyObject **f_valuestack; /* malloc'ed array */
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PyTryBlock *f_blockstack; /* malloc'ed array */
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int f_nvalues; /* size of f_valuestack */
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int f_nblocks; /* size of f_blockstack */
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int f_iblock; /* index in f_blockstack */
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int f_lasti; /* Last instruction if called */
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int f_lineno; /* Current line number */
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int f_restricted; /* Flag set if restricted operations
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in this scope */
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PyObject *f_trace; /* Trace function */
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} PyFrameObject;
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/* Standard object interface */
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extern DL_IMPORT PyTypeObject PyFrame_Type;
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#define PyFrame_Check(op) ((op)->ob_type == &PyFrame_Type)
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PyFrameObject * PyFrame_New
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Py_PROTO((PyFrameObject *, PyCodeObject *,
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PyObject *, PyObject *, PyObject *, int, int));
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/* The rest of the interface is specific for frame objects */
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/* Tuple access macros */
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#ifdef NDEBUG
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#define GETITEM(v, i) PyTuple_GET_ITEM((PyTupleObject *)(v), (i))
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#define GETITEMNAME(v, i) \
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PyString_AS_STRING((PyStringObject *)GETITEM((v), (i)))
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#else
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#define GETITEM(v, i) PyTuple_GetItem((v), (i))
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#define GETITEMNAME(v, i) PyString_AsString(GETITEM(v, i))
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#endif
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#define GETUSTRINGVALUE(s) ((unsigned char *)PyString_AS_STRING(s))
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/* Code access macros */
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#define Getconst(f, i) (GETITEM((f)->f_code->co_consts, (i)))
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#define Getname(f, i) (GETITEMNAME((f)->f_code->co_names, (i)))
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#define Getnamev(f, i) (GETITEM((f)->f_code->co_names, (i)))
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/* Block management functions */
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void PyFrame_BlockSetup Py_PROTO((PyFrameObject *, int, int, int));
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PyTryBlock *PyFrame_BlockPop Py_PROTO((PyFrameObject *));
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/* Extend the value stack */
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PyObject **PyFrame_ExtendStack Py_PROTO((PyFrameObject *, int, int));
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/* Conversions between "fast locals" and locals in dictionary */
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void PyFrame_LocalsToFast Py_PROTO((PyFrameObject *, int));
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void PyFrame_FastToLocals Py_PROTO((PyFrameObject *));
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#ifdef __cplusplus
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}
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#endif
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#endif /* !Py_FRAMEOBJECT_H */
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