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more tabling fixes 

use malloc when AllocCodeSpace fails
use snprintf when available.


git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1458 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc 2005-11-16 01:55:03 +00:00
parent e021bef90d
commit 4c0865ca37
9 changed files with 158 additions and 13 deletions
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5
C/alloc.c
View File

@ -12,7 +12,7 @@
* Last rev: *
* mods: *
* comments: allocating space *
* version:$Id: alloc.c,v 1.74 2005-11-08 13:57:41 vsc Exp $ *
* version:$Id: alloc.c,v 1.75 2005-11-16 01:55:03 vsc Exp $ *
*************************************************************************/
#ifdef SCCS
static char SccsId[] = "%W% %G%";
@ -78,6 +78,8 @@ minfo(char mtype)
}
#endif
static int vsc_allocs;
char *
Yap_AllocCodeSpace(unsigned int size)
{
@ -87,6 +89,7 @@ Yap_AllocCodeSpace(unsigned int size)
mallocs++;
tmalloc += size;
#endif
vsc_allocs++;
return malloc(size);
}

2
C/arrays.c
View File

@ -749,7 +749,7 @@ p_create_array(void)
while (!EndOfPAEntr(pp) &&
pp->KindOfPE != ArrayProperty
#if THREADS
&& pp->owner_id != worker_id
&& ((ArrayEntry *)pp)->owner_id != worker_id
#endif
)
pp = RepProp(pp->NextOfPE);

2
C/bignum.c
View File

@ -227,7 +227,7 @@ Yap_MkULLIntTerm(YAP_ULONG_LONG n)
char tmp[256];
#if HAVE_SNPRINTF
sprintf(tmp,256,"%llu",n);
snprintf(tmp,256,"%llu",n);
#else
sprintf(tmp,"%llu",n);
#endif

7
C/heapgc.c
View File

@ -2904,8 +2904,8 @@ update_B_H( choiceptr gc_B, CELL *current, CELL *dest, CELL *odest
#ifdef TABLING
/* make sure we include consumers */
if (depfr && gc_B >= DepFr_cons_cp(depfr)) {
*depfrp = depfr = DepFr_next(depfr);
gc_B = DepFr_cons_cp(depfr);
*depfrp = depfr = DepFr_next(depfr);
}
#endif /* TABLING */
}
@ -3765,9 +3765,10 @@ call_gc(UInt gc_lim, Int predarity, CELL *current_env, yamop *nextop)
if (gc_margin < gc_lim)
gc_margin = gc_lim;
GcCalls++;
if (gc_on && !(Yap_PrologMode & InErrorMode) &&
if (gc_on && !(Yap_PrologMode & InErrorMode) //&&
/* make sure there is a point in collecting th eheap */
H-H0 > (LCL0-ASP)/2) {
//H-H0 > (LCL0-ASP)/2) {
) {
effectiveness = do_gc(predarity, current_env, nextop);
if (effectiveness > 90) {
while (gc_margin < H-H0)

2
C/init.c
View File

@ -434,7 +434,7 @@ InitDebug(void)
fprintf(stderr,"Set Trace Options:\n");
fprintf(stderr,"a getch\t\tb token\t\tc Lookup\td LookupVar\ti Index\n");
fprintf(stderr,"e SetOp\t\tf compile\tg icode\t\th boot\t\tl log\n");
fprintf(stderr,"m Machine\n");
fprintf(stderr,"m Machine\t p parser\n");
while ((ch = YP_putchar(YP_getchar())) != '\n')
if (ch >= 'a' && ch <= 'z')
Yap_Option[ch - 'a' + 1] = 1;

107
C/parser.c
View File

@ -111,6 +111,7 @@ STATIC_PROTO(Term ParseTerm, (int, JMPBUFF *));
F } \
}
#define FAIL longjmp(FailBuff->JmpBuff,1)
VarEntry *
@ -415,6 +416,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
switch (Yap_tokptr->Tok) {
case Name_tok:
t = Yap_tokptr->TokInfo;
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
NextToken;
if ((Yap_tokptr->Tok != Ord(Ponctuation_tok)
|| Unsigned(Yap_tokptr->TokInfo) != 'l')
@ -425,6 +434,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
if (Yap_tokptr->Tok == Number_tok) {
if ((Atom)t == AtomMinus) {
t = Yap_tokptr->TokInfo;
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
if (IsIntTerm(t))
t = MkIntTerm(-IntOfTerm(t));
else if (IsFloatTerm(t))
@ -440,9 +457,25 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
else
t = MkLongIntTerm(-LongIntOfTerm(t));
NextToken;
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
break;
} else if ((Atom)t == AtomPlus) {
t = Yap_tokptr->TokInfo;
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
NextToken;
break;
}
@ -479,6 +512,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
func = Yap_MkFunctor((Atom) t, 1);
t = ParseTerm(oprprio, FailBuff);
t = Yap_MkApplTerm(func, 1, &t);
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
/* check for possible overflow against local stack */
if (H > ASP-4096) {
Yap_ErrorMessage = "Stack Overflow";
@ -499,6 +540,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
case Number_tok:
t = Yap_tokptr->TokInfo;
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
NextToken;
break;
@ -513,6 +562,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
t = MkAtomTerm(Yap_LookupAtom(p));
else
t = Yap_StringToList(p);
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
NextToken;
}
break;
@ -522,6 +579,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
if ((t = varinfo->VarAdr) == TermNil) {
t = varinfo->VarAdr = MkVarTerm();
}
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
NextToken;
break;
@ -534,11 +599,27 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
case 'l': /* non solo ( */
NextToken;
t = ParseTerm(1200, FailBuff);
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
checkfor((Term) ')', FailBuff);
break;
case '[':
NextToken;
t = ParseList(FailBuff);
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
checkfor((Term) ']', FailBuff);
break;
case '{':
@ -603,6 +684,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
&& opprio <= prio && oplprio >= curprio) {
/* parse as posfix operator */
t = Yap_MkApplTerm(Yap_MkFunctor((Atom) Yap_tokptr->TokInfo, 1), 1, &t);
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
/* check for possible overflow against local stack */
if (H > ASP-4096) {
Yap_ErrorMessage = "Stack Overflow";
@ -622,6 +711,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
args[0] = t;
args[1] = ParseTerm(1000, FailBuff);
t = Yap_MkApplTerm(Yap_MkFunctor(AtomComma, 2), 2, args);
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
/* check for possible overflow against local stack */
if (H > ASP-4096) {
Yap_ErrorMessage = "Stack Overflow";
@ -636,6 +733,14 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
args[0] = t;
args[1] = ParseTerm(1100, FailBuff);
t = Yap_MkApplTerm(FunctorVBar, 2, args);
#ifdef DEBUG
if (Yap_Option['p' - 'a' + 1]) {
Yap_DebugPutc(Yap_c_error_stream,'[');
Yap_DebugPutc(Yap_c_error_stream,']');
Yap_plwrite (t, Yap_DebugPutc, 0);
Yap_DebugPutc(Yap_c_error_stream,'\n');
}
#endif
/* check for possible overflow against local stack */
if (H > ASP-4096) {
Yap_ErrorMessage = "Stack Overflow";
@ -649,7 +754,7 @@ ParseTerm(int prio, JMPBUFF *FailBuff)
FAIL;
break;
}
return (t);
return t;
}

33
OPTYap/opt.init.c
View File

@ -5,7 +5,7 @@
Copyright: R. Rocha and NCC - University of Porto, Portugal
File: opt.init.c
version: $Id: opt.init.c,v 1.13 2005-11-04 01:17:17 vsc Exp $
version: $Id: opt.init.c,v 1.14 2005-11-16 01:55:03 vsc Exp $
**********************************************************************/
@ -57,6 +57,36 @@ ma_h_inner_struct *Yap_ma_h_top;
#if YAP_MEMORY_ALLOC_SCHEME
char *
Yap_get_yap_space(int sz)
{
char *ptr = Yap_AllocCodeSpace(sz+sizeof(CELL));
if (ptr) {
*ptr = 'y';
return ptr+sizeof(CELL);
}
ptr = (char *)malloc(sz+sizeof(CELL));
if (ptr) {
*ptr = 'm';
return ptr+sizeof(CELL);
}
Yap_Error(OUT_OF_HEAP_ERROR, TermNil, "Yap_AllocCodeSpace error (ALLOC_STRUCT), when allocating %d B", sz);
return NULL;
}
void
Yap_free_yap_space(char *ptr)
{
ptr -= sizeof(CELL);
if (ptr[0] == 'y') {
Yap_FreeCodeSpace(ptr);
} else {
free((void *)ptr);
}
}
#endif
/* -------------------------- **
** Global functions **
** -------------------------- */
@ -265,3 +295,4 @@ void init_workers(void) {
}
#endif /* YAPOR */
#endif /* YAPOR || TABLING */

12
OPTYap/opt.macros.h
View File

@ -5,7 +5,7 @@
Copyright: R. Rocha and NCC - University of Porto, Portugal
File: opt.macros.h
version: $Id: opt.macros.h,v 1.10 2005-08-10 21:36:34 ricroc Exp $
version: $Id: opt.macros.h,v 1.11 2005-11-16 01:55:03 vsc Exp $
**********************************************************************/
@ -61,15 +61,19 @@ extern int Yap_page_size;
UPDATE_STATS(Pg_str_in_use(STR_PAGES), -1); \
free(STR)
#elif YAP_MEMORY_ALLOC_SCHEME /* ---------------------------------------------------- */
char *STD_PROTO(Yap_get_yap_space, (int));
void STD_PROTO(Yap_free_yap_space, (char *));
#define ALLOC_STRUCT(STR, STR_PAGES, STR_TYPE) \
UPDATE_STATS(Pg_str_in_use(STR_PAGES), 1); \
if ((STR = (STR_TYPE *) Yap_AllocCodeSpace(sizeof(STR_TYPE))) == NULL) \
Yap_Error(FATAL_ERROR, TermNil, "Yap_AllocCodeSpace error (ALLOC_STRUCT)")
STR = (STR_TYPE *)Yap_get_yap_space(sizeof(STR_TYPE))
#define ALLOC_NEXT_FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
ALLOC_STRUCT(STR, STR_PAGES, STR_TYPE)
#define FREE_STRUCT(STR, STR_PAGES, STR_TYPE) \
UPDATE_STATS(Pg_str_in_use(STR_PAGES), -1); \
Yap_FreeCodeSpace((char *) (STR))
Yap_free_yap_space((char *)(STR))
#elif SHM_MEMORY_ALLOC_SCHEME /* ---------------------------------------------------- */
#ifdef LIMIT_TABLING
#define INIT_PAGE(PG_HD, STR_PAGES, STR_TYPE) \

1
changes-5.1.html
View File

@ -16,6 +16,7 @@
<h2>Yap-5.1.0:</h2>
<ul>
<li> FIXED: in tabling, use malloc when AllocCodeSpace fails. </li>
<li> FIXED: in tabling don't look inside cp_ap == NULL and fix recent
bug in walking dependency frames. </li>
<li> FIXED: with tabling ASP sometimes was miscalculated, causing