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/* $Id$
Part of SWI-Prolog
Author: Keri Harris
E-mail: keri.harris@securitease.com
WWW: http://www.swi-prolog.org
Copyright (C): 2011, University of Amsterdam
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "pl-incl.h"
#define DEBUG_TOPIC(Name) { Name, #Name }
const debug_topic debug_topics[] =
{ DEBUG_TOPIC(DBG_LEVEL0),
DEBUG_TOPIC(DBG_LEVEL1),
DEBUG_TOPIC(DBG_LEVEL2),
DEBUG_TOPIC(DBG_LEVEL3),
DEBUG_TOPIC(DBG_LEVEL4),
DEBUG_TOPIC(DBG_LEVEL5),
DEBUG_TOPIC(DBG_LEVEL6),
DEBUG_TOPIC(DBG_LEVEL7),
DEBUG_TOPIC(DBG_LEVEL8),
DEBUG_TOPIC(DBG_LEVEL9),
DEBUG_TOPIC(MSG_VMI),
DEBUG_TOPIC(MSG_CLEANUP),
DEBUG_TOPIC(MSG_PROLOG_FLAG),
DEBUG_TOPIC(MSG_HASH_STAT),
DEBUG_TOPIC(MSG_SPARE_STACK),
DEBUG_TOPIC(MSG_THREAD),
DEBUG_TOPIC(MSG_THROW),
DEBUG_TOPIC(MSG_CALL),
DEBUG_TOPIC(MSG_SRCLOC),
DEBUG_TOPIC(MSG_PROC),
DEBUG_TOPIC(MSG_COMP_ARGVAR),
DEBUG_TOPIC(MSG_UNLOAD),
DEBUG_TOPIC(MSG_INDEX_FIND),
DEBUG_TOPIC(MSG_INDEX_UPDATE),
DEBUG_TOPIC(MSG_JIT),
DEBUG_TOPIC(MSG_TRACE),
DEBUG_TOPIC(MSG_QLF_INTEGER),
DEBUG_TOPIC(MSG_QLF_FLOAT),
DEBUG_TOPIC(MSG_QLF_XR),
DEBUG_TOPIC(MSG_QLF_TERM),
DEBUG_TOPIC(MSG_QLF_DIRECTIVE),
DEBUG_TOPIC(MSG_QLF_PREDICATE),
DEBUG_TOPIC(MSG_QLF_EXPORT),
DEBUG_TOPIC(MSG_QLF_VMI),
DEBUG_TOPIC(MSG_QLF_PATH),
DEBUG_TOPIC(MSG_QLF_SECTION),
DEBUG_TOPIC(MSG_QLF_BOOT),
DEBUG_TOPIC(MSG_QLF_BOOT_READ),
DEBUG_TOPIC(MSG_QUEUE),
DEBUG_TOPIC(MSG_QUEUE_WAIT),
DEBUG_TOPIC(MSG_SIGNAL),
DEBUG_TOPIC(MSG_COMP_VARS),
DEBUG_TOPIC(MSG_PROF_CALLTREE),
DEBUG_TOPIC(MSG_PROF_TICKS),
/* GC messages */
DEBUG_TOPIC(MSG_AGC),
DEBUG_TOPIC(MSG_CLAUSE_GC),
DEBUG_TOPIC(MSG_GC_STATS),
DEBUG_TOPIC(MSG_GC_SCHEDULE),
DEBUG_TOPIC(MSG_GC_PROGRESS),
DEBUG_TOPIC(MSG_GC_MARK_VAR),
DEBUG_TOPIC(MSG_GC_MARK_GVAR),
DEBUG_TOPIC(MSG_GC_MARK_ATTVAR),
DEBUG_TOPIC(MSG_GC_MARK_TERMREF),
DEBUG_TOPIC(MSG_GC_MARK_FOREIGN),
DEBUG_TOPIC(MSG_GC_MARK_ARGS),
DEBUG_TOPIC(MSG_GC_MARK_QUERY),
DEBUG_TOPIC(MSG_GC_MARK_VAR_WALK),
DEBUG_TOPIC(MSG_GC_CLEAR),
DEBUG_TOPIC(MSG_GC_ASSIGNMENTS),
DEBUG_TOPIC(MSG_GC_ASSIGNMENTS_MERGE),
DEBUG_TOPIC(MSG_GC_ASSIGNMENTS_MARK),
DEBUG_TOPIC(MSG_GC_RESET),
DEBUG_TOPIC(MSG_GC_WALK),
DEBUG_TOPIC(MSG_GC_RELOC),
DEBUG_TOPIC(MSG_GC_HOLE),
DEBUG_TOPIC(MSG_GC_SWEEP),
DEBUG_TOPIC(MSG_GC_CHECK),
DEBUG_TOPIC(MSG_SHIFT_PROGRESS),
DEBUG_TOPIC(MSG_SHIFT_POINTER),
DEBUG_TOPIC(MSG_SHIFT_FRAME),
DEBUG_TOPIC(MSG_STACK_OVERFLOW),
DEBUG_TOPIC(CHK_SECURE),
DEBUG_TOPIC(CHK_HIGH_ARITY),
DEBUG_TOPIC(CHK_HIGHER_ADDRESS),
/* end-of-list */
{ 0, NULL }
};
static int
get_debug_code(const char *topic)
{ const debug_topic *dt;
for (dt=debug_topics; dt->name; dt++)
{ if ( strcasecmp(topic, dt->name) == 0 )
{ return dt->code;
}
}
return -1;
}
static unsigned
debug_high_code(void)
{ unsigned high = 0;
const debug_topic *dt;
for (dt=debug_topics; dt->name; dt++)
{ if ( dt->code > high )
high = dt->code;
}
return high;
}
static int
prolog_debug_topic(const char *topic, int flag)
{ long level;
char *end;
level = strtol(topic, &end, 10);
if ( end > topic && *end == EOS )
{ GD->debug_level = level;
} else
{ int code;
if ( !GD->debug_topics )
GD->debug_topics = new_bitvector(debug_high_code()+1);
if( (code = get_debug_code(topic)) < 0 )
return FALSE;
if ( code <= DBG_LEVEL9 )
GD->debug_level = code;
else if (flag)
set_bit(GD->debug_topics, code);
else
clear_bit(GD->debug_topics, code);
}
return TRUE;
}
int
prolog_debug_from_string(const char *spec, int flag)
{ const char *end;
while((end=strchr(spec, ',')))
{ if ( end-spec < MAX_TOPIC_LEN )
{ char buf[MAX_TOPIC_LEN];
strncpy(buf, spec, end-spec);
buf[end-spec] = EOS;
if ( !prolog_debug_topic(buf, flag) )
{ Sdprintf("ERROR: Unknown debug topic: %s\n", buf);
PL_halt(1);
}
spec = end+1;
} else
{ Sdprintf("ERROR: Invalid debug topic: %s\n", spec);
}
}
if ( !prolog_debug_topic(spec, flag) )
{ Sdprintf("ERROR: Unknown debug topic: %s\n", spec);
PL_halt(1);
}
return TRUE;
}
static int
prolog_debug(term_t t, int flag)
{ char *topic;
/* FIXME: handle lists */
if ( !PL_get_chars(t, &topic, CVT_ATOM|CVT_STRING|CVT_EXCEPTION) )
fail;
if ( prolog_debug_topic(topic, flag) )
return TRUE;
return PL_error(NULL, 0, NULL, ERR_DOMAIN, ATOM_debug_topic, t);
}
static
PRED_IMPL("prolog_debug", 1, pl_prolog_debug, 0)
{ return prolog_debug(A1, TRUE);
}
static
PRED_IMPL("prolog_nodebug", 1, pl_prolog_nodebug, 0)
{ return prolog_debug(A1, FALSE);
}
void
cleanupDebug(void)
{ if ( GD->debug_topics )
{ free_bitvector(GD->debug_topics);
GD->debug_topics = NULL;
}
}
/*******************************
* PUBLISH PREDICATES *
*******************************/
BeginPredDefs(debug)
PRED_DEF("prolog_debug", 1, pl_prolog_debug, 0)
PRED_DEF("prolog_nodebug", 1, pl_prolog_nodebug, 0)
EndPredDefs
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