Improve error handling routine, trying to make it more robust.
Improve hole handling in stack expansion Clause interrpeter was supposed to prune _trust_me Wrong messages for acos and atanh git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1249 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
vsc
parent
bdff56d3b0
commit
9807a22069
@ -797,7 +797,7 @@ p_asin(Term t E_ARGS)
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out = asin(dbl);
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#if HAVE_ISNAN
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if (isnan(out)) {
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Yap_Error(DOMAIN_ERROR_OUT_OF_RANGE, t, "acos(%f)", dbl);
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Yap_Error(DOMAIN_ERROR_OUT_OF_RANGE, t, "asin(%f)", dbl);
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P = (yamop *)FAILCODE;
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RERROR();
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}
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@ -1061,7 +1061,7 @@ p_atanh(Term t E_ARGS)
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out = atanh(dbl);
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#if HAVE_ISNAN
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if (isnan(out)) {
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Yap_Error(DOMAIN_ERROR_OUT_OF_RANGE, t, "acosh(%f)", dbl);
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Yap_Error(DOMAIN_ERROR_OUT_OF_RANGE, t, "atanh(%f)", dbl);
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P = (yamop *)FAILCODE;
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RERROR();
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}
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@ -5118,4 +5118,3 @@ Yap_InitBackDB(void)
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Yap_InitCPredBack("$current_immediate_key", 2, 4, init_current_key, cont_current_key,
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SyncPredFlag|HiddenPredFlag);
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}
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26
C/errors.c
26
C/errors.c
@ -267,6 +267,12 @@ dump_stack(void)
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char tp[256];
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yamop *ipc = CP;
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#if DEBUG
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fprintf(stderr,"%% YAP regs: P=%p, CP=%p, ASP=%p, H=%p, TR=%p, HeapTop=%p\n",P,CP,ASP,H,TR,HeapTop);
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fprintf(stderr,"%% YAP mode: %x\n",Yap_PrologMode);
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if (Yap_ErrorMessage)
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fprintf(stderr,"%% YAP_ErrorMessage: %s\n",Yap_ErrorMessage);
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#endif
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if (H > ASP || H > LCL0) {
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fprintf(stderr,"%% YAP ERROR: Global Collided against Local (%p--%p)\n",H,ASP);
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} else if (HeapTop > (ADDR)Yap_GlobalBase) {
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@ -293,7 +299,10 @@ dump_stack(void)
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}
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}
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#endif
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fprintf (stderr,"Goal Stack Dump (* is backtrack point)\n");
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detect_bug_location(P, FIND_PRED_FROM_ANYWHERE, (char *)H, 256);
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fprintf (stderr,"Running code at %s\n",(char *)H);
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detect_bug_location(CP, FIND_PRED_FROM_ANYWHERE, (char *)H, 256);
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fprintf (stderr,"Continuation is at %s\n",(char *)H);
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while (b_ptr != NULL) {
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while (env_ptr && env_ptr <= (CELL *)b_ptr) {
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detect_bug_location(ipc, FIND_PRED_FROM_ENV, tp, 256);
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@ -362,7 +371,9 @@ Yap_Error(yap_error_number type, Term where, char *format,...)
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char *tp = tmpbuf;
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int psize = YAP_BUF_SIZE;
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#if DEBUG
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fprintf(stderr,"***** Processing Error %d (%x,%x) ***\n", type, ActiveSignals,Yap_PrologMode);
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#endif
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if (type == INTERRUPT_ERROR) {
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fprintf(stderr,"%% YAP exiting: cannot handle signal %d\n",
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(int)IntOfTerm(where));
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@ -421,8 +432,6 @@ Yap_Error(yap_error_number type, Term where, char *format,...)
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Yap_PrologMode &= ~AbortMode;
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Yap_PrologMode |= InErrorMode;
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} else {
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if (type != SYNTAX_ERROR)
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where = Yap_CopyTerm(Deref(where));
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if (IsVarTerm(where)) {
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/* we must be careful someone gave us a copy to a local variable */
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Term t = MkVarTerm();
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@ -432,7 +441,9 @@ Yap_Error(yap_error_number type, Term where, char *format,...)
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/* Exit Abort Mode, if we were there */
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Yap_PrologMode &= ~AbortMode;
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Yap_PrologMode |= InErrorMode;
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where = Yap_CopyTerm(where);
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if (!(where = Yap_CopyTerm(where))) {
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where = TermNil;
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}
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}
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va_start (ap, format);
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/* now build the error string */
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@ -1653,6 +1664,9 @@ Yap_Error(yap_error_number type, Term where, char *format,...)
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nt[1] = MkPairTerm(MkAtomTerm(Yap_LookupAtom(tmpbuf)), Yap_all_calls());
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}
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if (serious) {
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/* disable active signals at this point */
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ActiveSignals = 0;
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CreepFlag = CalculateStackGap();
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if (type == PURE_ABORT)
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Yap_JumpToEnv(MkAtomTerm(Yap_LookupAtom("$abort")));
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else
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@ -1660,6 +1674,6 @@ Yap_Error(yap_error_number type, Term where, char *format,...)
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P = (yamop *)FAILCODE;
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}
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Yap_PrologMode &= ~InErrorMode;
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return(P);
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return P;
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}
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2
C/grow.c
2
C/grow.c
@ -1067,7 +1067,7 @@ execute_growstack(long size0, int from_trail, int in_parser, tr_fr_ptr *old_trp,
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return FALSE;
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}
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YAPEnterCriticalSection();
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GDiff = DelayDiff = size;
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GDiff = DelayDiff = size-size0;
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} else {
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YAPEnterCriticalSection();
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if (Yap_GlobalBase != old_Yap_GlobalBase) {
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@ -3400,7 +3400,7 @@ do_gc(Int predarity, CELL *current_env, yamop *nextop)
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*--ASP = (CELL)current_env;
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if (!Yap_growheap(FALSE, MinHeapGap, NULL)) {
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Yap_Error(OUT_OF_HEAP_ERROR, TermNil, Yap_ErrorMessage);
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return(FALSE);
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return FALSE;
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}
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current_env = (CELL *)*ASP;
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ASP++;
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@ -3566,7 +3566,7 @@ call_gc(UInt gc_lim, Int predarity, CELL *current_env, yamop *nextop)
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if (gc_margin < gc_lim)
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gc_margin = gc_lim;
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GcCalls++;
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if (gc_on) {
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if (gc_on && !(Yap_PrologMode & InErrorMode)) {
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effectiveness = do_gc(predarity, current_env, nextop);
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if (effectiveness > 90) {
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while (gc_margin < H-H0)
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14
C/index.c
14
C/index.c
@ -11,8 +11,12 @@
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* File: index.c *
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* comments: Indexing a Prolog predicate *
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* *
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* Last rev: $Date: 2005-02-21 16:50:00 $,$Author: vsc $ *
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* Last rev: $Date: 2005-02-24 21:46:39 $,$Author: vsc $ *
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* $Log: not supported by cvs2svn $
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* Revision 1.115 2005/02/21 16:50:00 vsc
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* amd64 fixes
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* library fixes
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*
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* Revision 1.114 2005/01/28 23:14:36 vsc
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* move to Yap-4.5.7
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* Fix clause size
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@ -7607,6 +7611,14 @@ Yap_FollowIndexingCode(PredEntry *ap, yamop *ipc, Term Terms[3], yamop *ap_pc, y
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case _trust_me2:
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case _trust_me3:
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case _trust_me4:
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#ifdef YAPOR
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CUT_prune_to(B->cp_b);
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#else
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B = B->cp_b;
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#endif /* YAPOR */
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#ifdef TABLING
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abolish_incomplete_subgoals(B);
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#endif /* TABLING */
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b0 = B;
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ipc = NEXTOP(ipc,ld);
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break;
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@ -296,7 +296,7 @@ copy_complex_term(register CELL *pt0, register CELL *pt0_end, CELL *ptf, CELL *H
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}
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static Term
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CopyTerm(Term inp) {
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CopyTerm(Term inp, UInt arity) {
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Term t = Deref(inp);
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if (IsVarTerm(t)) {
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@ -310,21 +310,21 @@ CopyTerm(Term inp) {
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Hi = H+1;
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H += 2;
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if ((res = copy_complex_term(Hi-2, Hi-1, Hi, Hi)) < 0) {
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ARG3 = t;
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XREGS[arity+1] = t;
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H = Hi-1;
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if (res == -1) { /* handle overflow */
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if (!Yap_gc(3, ENV, P)) {
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if (!Yap_gc(arity+1, ENV, P)) {
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Yap_Error(OUT_OF_STACK_ERROR, TermNil, Yap_ErrorMessage);
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return FALSE;
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}
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t = Deref(ARG3);
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t = Deref(XREGS[arity+1]);
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goto restart_attached;
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} else { /* handle overflow */
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if (!Yap_ExpandPreAllocCodeSpace(0,NULL)) {
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Yap_Error(OUT_OF_AUXSPACE_ERROR, TermNil, Yap_ErrorMessage);
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return FALSE;
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}
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t = Deref(ARG3);
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t = Deref(XREGS[arity+1]);
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goto restart_attached;
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}
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}
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@ -348,20 +348,20 @@ CopyTerm(Term inp) {
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int res;
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if ((res = copy_complex_term(ap-1, ap+1, Hi, Hi)) < 0) {
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H = Hi;
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ARG3 = t;
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XREGS[arity+1] = t;
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if (res == -1) { /* handle overflow */
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if (!Yap_gc(3, ENV, P)) {
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if (!Yap_gc(arity+1, ENV, P)) {
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Yap_Error(OUT_OF_STACK_ERROR, TermNil, Yap_ErrorMessage);
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return FALSE;
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}
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t = Deref(ARG3);
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t = Deref(XREGS[arity+1]);
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goto restart_list;
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} else { /* handle overflow */
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if (!Yap_ExpandPreAllocCodeSpace(0,NULL)) {
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Yap_Error(OUT_OF_AUXSPACE_ERROR, TermNil, Yap_ErrorMessage);
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return FALSE;
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}
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t = Deref(ARG3);
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t = Deref(XREGS[arity+1]);
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goto restart_list;
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}
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}
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@ -385,20 +385,20 @@ CopyTerm(Term inp) {
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if ((res = copy_complex_term(ap, ap+ArityOfFunctor(f), HB0+1, HB0)) < 0) {
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H = HB0;
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ARG3 = t;
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XREGS[arity+1] = t;
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if (res == -1) {
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if (!Yap_gc(3, ENV, P)) {
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if (!Yap_gc(arity+1, ENV, P)) {
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Yap_Error(OUT_OF_STACK_ERROR, TermNil, Yap_ErrorMessage);
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return FALSE;
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}
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t = Deref(ARG3);
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t = Deref(XREGS[arity+1]);
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goto restart_appl;
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} else { /* handle overflow */
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if (!Yap_ExpandPreAllocCodeSpace(0,NULL)) {
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Yap_Error(OUT_OF_AUXSPACE_ERROR, TermNil, Yap_ErrorMessage);
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return FALSE;
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}
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t = Deref(ARG3);
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t = Deref(XREGS[arity+1]);
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goto restart_appl;
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}
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}
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@ -409,13 +409,13 @@ CopyTerm(Term inp) {
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Term
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Yap_CopyTerm(Term inp) {
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return CopyTerm(inp);
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return CopyTerm(inp, 0);
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}
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static Int
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p_copy_term(void) /* copy term t to a new instance */
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{
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Term t = CopyTerm(ARG1);
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Term t = CopyTerm(ARG1, 2);
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if (t == 0L)
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return FALSE;
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/* be careful, there may be a stack shift here */
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@ -688,7 +688,6 @@ p_copy_term_no_delays(void) /* copy term t to a new instance */
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{
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Term t = CopyTermNoDelays(ARG1);
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if (t == 0L) {
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printf("Error\n");
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return FALSE;
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}
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/* be careful, there may be a stack shift here */
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