| #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 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 */ |