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- #ifndef Py_FRAMEOBJECT_H
- #define Py_FRAMEOBJECT_H
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /***********************************************************
- Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum,
- Amsterdam, The Netherlands.
-
- All Rights Reserved
-
- Permission to use, copy, modify, and distribute this software and its
- documentation for any purpose and without fee is hereby granted,
- provided that the above copyright notice appear in all copies and that
- both that copyright notice and this permission notice appear in
- supporting documentation, and that the names of Stichting Mathematisch
- Centrum or CWI not be used in advertising or publicity pertaining to
- distribution of the software without specific, written prior permission.
-
- STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO
- THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
- FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE
- FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
- OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
-
- ******************************************************************/
-
- /* Frame object interface */
-
- 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 */
- } block;
-
- typedef struct _frame {
- OB_HEAD
- struct _frame *f_back; /* previous frame, or NULL */
- codeobject *f_code; /* code segment */
- object *f_globals; /* global symbol table (dictobject) */
- object *f_locals; /* local symbol table (dictobject) */
- object *f_owner; /* owner (e.g. class or module) or NULL */
- object *f_fastlocals; /* fast local variables (listobject) */
- object *f_localmap; /* local variable names (dictobject) */
- object **f_valuestack; /* malloc'ed array */
- block *f_blockstack; /* malloc'ed array */
- int f_nvalues; /* size of f_valuestack */
- int f_nblocks; /* size of f_blockstack */
- int f_iblock; /* index in f_blockstack */
- int f_lasti; /* Last instruction if called */
- int f_lineno; /* Current line number */
- object *f_trace; /* Trace function */
- } frameobject;
-
-
- /* Standard object interface */
-
- extern DL_IMPORT typeobject Frametype;
-
- #define is_frameobject(op) ((op)->ob_type == &Frametype)
-
- frameobject * newframeobject PROTO(
- (frameobject *, codeobject *, object *, object *, object *, int, int));
-
-
- /* The rest of the interface is specific for frame objects */
-
- /* List access macros */
-
- #ifdef NDEBUG
- #define GETITEM(v, i) GETTUPLEITEM((tupleobject *)(v), (i))
- #define GETITEMNAME(v, i) GETSTRINGVALUE((stringobject *)GETITEM((v), (i)))
- #else
- #define GETITEM(v, i) gettupleitem((v), (i))
- #define GETITEMNAME(v, i) getstringvalue(GETITEM(v, i))
- #endif
-
- #define GETUSTRINGVALUE(s) ((unsigned char *)GETSTRINGVALUE(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 */
-
- void setup_block PROTO((frameobject *, int, int, int));
- block *pop_block PROTO((frameobject *));
-
- /* Extend the value stack */
-
- object **extend_stack PROTO((frameobject *, int, int));
-
- /* Conversions between "fast locals" and locals in dictionary */
-
- void locals_2_fast PROTO((frameobject *, int));
- void fast_2_locals PROTO((frameobject *));
-
- #ifdef __cplusplus
- }
- #endif
- #endif /* !Py_FRAMEOBJECT_H */
-