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bkpt.h
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1999-01-02
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/* -*-C-*-
$Id: bkpt.h,v 9.32 1999/01/02 06:11:34 cph Exp $
Copyright (c) 1987-1999 Massachusetts Institute of Technology
This program 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 of the License, or (at
your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* This file contains breakpoint utilities.
Disabled when not debugging the interpreter.
It "shadows" definitions in default.h */
#ifdef ENABLE_DEBUGGING_FLAGS
struct sp_record
{
SCHEME_OBJECT * sp;
struct sp_record * next;
};
typedef struct sp_record * sp_record_list;
#define debug_maxslots 100
#define Eval_Ucode_Hook() \
{ \
(local_circle [local_slotno++]) = (Fetch_Expression ()); \
if (local_slotno >= debug_maxslots) \
local_slotno = 0; \
if (local_nslots < debug_maxslots) \
local_nslots += 1; \
}
#define Pop_Return_Ucode_Hook() \
{ \
if (SP_List != 0) \
{ \
Export_Registers (); \
Pop_Return_Break_Point (); \
Import_Registers (); \
} \
}
/* Not implemented yet */
#define Apply_Ucode_Hook()
#endif /* ENABLE_DEBUGGING_FLAGS */