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- /* The lisp stack.
- Copyright (C) 1985, 1986, 1987, 1992, 1993 Free Software Foundation, Inc.
-
- This file is part of XEmacs.
-
- XEmacs is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any
- later version.
-
- XEmacs is distributed in the hope that it will be useful, but WITHOUT
- ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License
- along with XEmacs; see the file COPYING. If not, write to the Free
- Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* Synched up with: Divergent from FSF. */
-
- #ifndef _XEMACS_BACKTRACE_H_
- #define _XEMACS_BACKTRACE_H_
-
- #include <setjmp.h>
-
- /* These definitions are used in eval.c and alloc.c */
-
- struct backtrace
- {
- struct backtrace *next;
- Lisp_Object *function;
- Lisp_Object *args; /* Points to vector of args. */
- int nargs; /* Length of vector.
- If nargs is UNEVALLED, args points to
- slot holding list of unevalled args */
- int pdlcount; /* specpdl_depth () when invoked */
- #ifdef EMACS_BTL
- /* The value of a Lisp integer that specifies the symbol being
- "invoked" by this node in the backtrace, or 0 if the backtrace
- doesn't correspond to a such an invocation */
- int id_number;
- #endif
- char evalargs;
- /* Nonzero means call value of debugger when done with this operation. */
- char debug_on_exit;
- };
-
-
- struct catchtag
- {
- Lisp_Object tag;
- Lisp_Object val;
- struct catchtag *next;
- struct gcpro *gcpro;
- jmp_buf jmp;
- struct backtrace *backlist;
- int lisp_eval_depth;
- int pdlcount;
- };
-
- /* Dynamic-binding-o-rama */
-
- struct specbinding
- {
- Lisp_Object symbol, old_value;
- Lisp_Object (*func) (Lisp_Object); /* for unwind-protect */
- };
-
- /* These are extern because GC needs to mark them */
- extern struct specbinding *specpdl;
- extern struct specbinding *specpdl_ptr;
- extern struct catchtag *catchlist;
- extern struct backtrace *backtrace_list;
- /* extern struct handler *handlerlist; */
-
- #endif /* _XEMACS_BACKTRACE_H_ */
-