interface speedups
bad error message in X is foo>>2. git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@1894 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
This commit is contained in:
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parent
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commit
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@ -10,8 +10,11 @@
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* *
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* File: absmi.c *
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* comments: Portable abstract machine interpreter *
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* Last rev: $Date: 2007-05-01 21:18:19 $,$Author: vsc $ *
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* Last rev: $Date: 2007-06-04 12:28:01 $,$Author: vsc $ *
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* $Log: not supported by cvs2svn $
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* Revision 1.222 2007/05/01 21:18:19 vsc
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* fix bug in saving P at p_eq (obs from Frabrizio Riguzzi)
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*
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* Revision 1.221 2007/04/10 22:13:20 vsc
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* fix max modules limitation
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*
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@ -769,7 +772,6 @@ Yap_absmi(int inp)
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else {
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ASP = YREG;
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}
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Yap_StartSlots();
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saveregs();
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#if PUSH_REGS
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restore_absmi_regs(old_regs);
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@ -787,7 +789,6 @@ Yap_absmi(int inp)
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else {
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ASP = YREG;
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}
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Yap_StartSlots();
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saveregs();
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#if PUSH_REGS
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restore_absmi_regs(old_regs);
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173
C/c_interface.c
173
C/c_interface.c
@ -10,8 +10,11 @@
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* File: c_interface.c *
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* comments: c_interface primitives definition *
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* *
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* Last rev: $Date: 2007-05-15 11:33:51 $,$Author: vsc $ *
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* Last rev: $Date: 2007-06-04 12:28:01 $,$Author: vsc $ *
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* $Log: not supported by cvs2svn $
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* Revision 1.94 2007/05/15 11:33:51 vsc
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* fix min list
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*
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* Revision 1.93 2007/05/14 16:44:11 vsc
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* improve external interface
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*
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@ -298,6 +301,7 @@ X_API Term STD_PROTO(YAP_MkApplTerm,(Functor,unsigned long int,Term *));
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X_API Term STD_PROTO(YAP_MkNewApplTerm,(Functor,unsigned long int));
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X_API Functor STD_PROTO(YAP_FunctorOfTerm,(Term));
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X_API Term STD_PROTO(YAP_ArgOfTerm,(Int,Term));
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X_API Term *STD_PROTO(YAP_ArgsOfTerm,(Term));
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X_API Functor STD_PROTO(YAP_MkFunctor,(Atom,Int));
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X_API Atom STD_PROTO(YAP_NameOfFunctor,(Functor));
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X_API Int STD_PROTO(YAP_ArityOfFunctor,(Functor));
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@ -307,6 +311,8 @@ X_API Int STD_PROTO(YAP_Unify,(Term,Term));
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X_API int STD_PROTO(YAP_Reset,(void));
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X_API Int STD_PROTO(YAP_Init,(YAP_init_args *));
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X_API Int STD_PROTO(YAP_FastInit,(char *));
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X_API PredEntry *STD_PROTO(YAP_FunctorToPred,(Functor));
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X_API PredEntry *STD_PROTO(YAP_AtomToPred,(Atom));
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X_API Int STD_PROTO(YAP_CallProlog,(Term));
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X_API void *STD_PROTO(YAP_AllocSpaceFromYap,(unsigned int));
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X_API void STD_PROTO(YAP_FreeSpaceFromYap,(void *));
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@ -318,6 +324,9 @@ X_API void STD_PROTO(YAP_Error,(int, Term, char *, ...));
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X_API Term STD_PROTO(YAP_RunGoal,(Term));
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X_API int STD_PROTO(YAP_RestartGoal,(void));
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X_API int STD_PROTO(YAP_ShutdownGoal,(int));
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X_API int STD_PROTO(YAP_EnterGoal,(PredEntry *, Term *, YAP_dogoalinfo *));
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X_API int STD_PROTO(YAP_RetryGoal,(YAP_dogoalinfo *));
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X_API int STD_PROTO(YAP_LeaveGoal,(int, YAP_dogoalinfo *));
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X_API int STD_PROTO(YAP_GoalHasException,(Term *));
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X_API void STD_PROTO(YAP_ClearExceptions,(void));
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X_API int STD_PROTO(YAP_ContinueGoal,(void));
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@ -699,7 +708,15 @@ YAP_ArgOfTerm(Int n, Term t)
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return (ArgOfTerm(n, t));
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}
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X_API Term *
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YAP_ArgsOfTerm(Term t)
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{
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if (IsApplTerm(t))
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return RepAppl(t)+1;
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else if (IsPairTerm(t))
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return RepPair(t);
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return NULL;
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}
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X_API Functor
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YAP_MkFunctor(Atom a, Int n)
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@ -1023,6 +1040,22 @@ YAP_BufferToString(char *s)
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return t;
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}
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static int
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dogc(void)
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{
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UInt arity;
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if (P && PREVOP(P,sla)->opc == Yap_opcode(_call_usercpred)) {
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arity = PREVOP(P,sla)->u.sla.sla_u.p->ArityOfPE;
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} else {
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arity = 0;
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}
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if (!Yap_gc(arity, ENV, CP)) {
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return FALSE;
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}
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return TRUE;
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}
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/* copy a string to a buffer */
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X_API Term
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YAP_ReadBuffer(char *s, Term *tp)
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@ -1030,8 +1063,10 @@ YAP_ReadBuffer(char *s, Term *tp)
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Term t;
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BACKUP_H();
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t = Yap_StringToTerm(s,tp);
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while ((t = Yap_StringToTerm(s,tp)) == 0L) {
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if (!dogc())
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return FALSE;
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}
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RECOVER_H();
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return t;
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}
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@ -1081,6 +1116,136 @@ static int myputc (wchar_t ch)
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return ch;
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}
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X_API PredEntry *
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YAP_FunctorToPred(Functor func)
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{
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return RepPredProp(PredPropByFunc(func, CurrentModule));
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}
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X_API PredEntry *
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YAP_AtomToPred(Atom at)
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{
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return RepPredProp(PredPropByAtom(at, CurrentModule));
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}
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static int
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run_emulator(YAP_dogoalinfo *dgi)
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{
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choiceptr myB;
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int out;
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Yap_PrologMode = UserMode;
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out = Yap_absmi(0);
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Yap_PrologMode = UserCCallMode;
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myB = (choiceptr)(LCL0-dgi->b);
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CP = myB->cp_cp;
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if (!out ) {
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/* recover stack */
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/* on failed computations */
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TR = B->cp_tr;
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H = B->cp_h;
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#ifdef DEPTH_LIMIT
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DEPTH = B->cp_depth = DEPTH;
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#endif /* DEPTH_LIMIT */
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YENV = ENV = B->cp_env;
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ASP = (CELL *)(B+1);
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B = B->cp_b;
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HB = B->cp_h;
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}
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P = dgi->p;
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RECOVER_MACHINE_REGS();
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return out;
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}
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X_API int
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YAP_EnterGoal(PredEntry *pe, Term *ptr, YAP_dogoalinfo *dgi)
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{
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UInt i;
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choiceptr myB;
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BACKUP_MACHINE_REGS();
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dgi->p = P;
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ptr--;
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i = pe->ArityOfPE;
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while (i>0) {
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XREGS[i] = ptr[i];
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i--;
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}
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P = pe->CodeOfPred;
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/* create a choice-point to be tag new goal */
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myB = (choiceptr)ASP;
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myB--;
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dgi->b = LCL0-(CELL *)myB;
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myB->cp_tr = TR;
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myB->cp_h = HB = H;
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myB->cp_b = B;
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#ifdef DEPTH_LIMIT
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myB->cp_depth = DEPTH;
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#endif /* DEPTH_LIMIT */
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myB->cp_cp = CP;
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myB->cp_ap = NOCODE;
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myB->cp_env = ENV;
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CP = YESCODE;
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B = myB;
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HB = H;
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#if defined(YAPOR) || defined(THREADS)
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WPP = NULL;
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#endif
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YENV[E_CB] = Unsigned (B);
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ASP = YENV = (CELL *)B;
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return run_emulator(dgi);
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}
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X_API int
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YAP_RetryGoal(YAP_dogoalinfo *dgi)
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{
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choiceptr myB;
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BACKUP_MACHINE_REGS();
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myB = (choiceptr)(LCL0-dgi->b);
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CP = myB->cp_cp;
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/* sanity check */
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if (B >= myB) {
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return FALSE;
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}
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P = FAILCODE;
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return run_emulator(dgi);
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}
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X_API int
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YAP_LeaveGoal(int backtrack, YAP_dogoalinfo *dgi)
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{
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choiceptr myB;
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myB = (choiceptr)(LCL0-dgi->b);
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if (B > myB) {
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return FALSE;
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}
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#ifdef YAPOR
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CUT_prune_to(myB);
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#endif
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B = myB;
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if (backtrack) {
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P = FAILCODE;
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Yap_exec_absmi(TRUE);
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/* recover stack space */
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H = B->cp_h;
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TR = B->cp_tr;
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#ifdef DEPTH_LIMIT
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DEPTH = B->cp_depth;
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#endif /* DEPTH_LIMIT */
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YENV = ENV = B->cp_env;
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}
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/* recover local stack */
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ASP = (CELL *)(B+1);
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B = B->cp_b;
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HB = B->cp_h;
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P = dgi->p;
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RECOVER_MACHINE_REGS();
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return TRUE;
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}
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X_API Term
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YAP_RunGoal(Term t)
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{
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20
C/eval.c
20
C/eval.c
@ -116,8 +116,14 @@ Eval(Term t, E_ARGS)
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ExpEntry *p;
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if (EndOfPAEntr(p = RepExpProp(Yap_GetExpProp(name, 0)))) {
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Term ti[2], terror;
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/* error */
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Yap_Error(TYPE_ERROR_EVALUABLE, t,
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ti[0] = t;
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ti[1] = MkIntegerTerm(0);
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/* error */
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terror = Yap_MkApplTerm(Yap_MkFunctor(Yap_LookupAtom("/"),2), 2, ti);
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Yap_Error(TYPE_ERROR_EVALUABLE, terror,
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"atom %s for arithmetic expression",
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RepAtom(name)->StrOfAE);
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P = (yamop *)FAILCODE;
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@ -184,10 +190,16 @@ Yap_Eval(Term t, E_ARGS)
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ExpEntry *p;
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if (EndOfPAEntr(p = RepExpProp(Yap_GetExpProp(name, 0)))) {
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Term ti[2], terror;
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/* error */
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Yap_Error(TYPE_ERROR_EVALUABLE, t,
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"atom %s for arithmetic expression",
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RepAtom(name)->StrOfAE);
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ti[0] = t;
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ti[1] = MkIntegerTerm(0);
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/* error */
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terror = Yap_MkApplTerm(Yap_MkFunctor(Yap_LookupAtom("/"),2), 2, ti);
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Yap_Error(TYPE_ERROR_EVALUABLE, terror,
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"atom %s for arithmetic expression",
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RepAtom(name)->StrOfAE);
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P = (yamop *)FAILCODE;
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RERROR();
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}
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28
C/exec.c
28
C/exec.c
@ -1384,7 +1384,7 @@ p_pred_goal_expansion_on(void) {
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static int
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exec_absmi(int top)
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{
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int lval;
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int lval, out;
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if (top && (lval = sigsetjmp (Yap_RestartEnv, 1)) != 0) {
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switch(lval) {
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case 1:
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@ -1427,15 +1427,15 @@ exec_absmi(int top)
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} else {
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Yap_PrologMode = UserMode;
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}
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return(Yap_absmi(0));
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out = Yap_absmi(0);
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Yap_StartSlots();
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return out;
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}
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static Term
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do_goal(Term t, yamop *CodeAdr, int arity, CELL *pt, int top)
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{
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choiceptr saved_b = B;
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Term out = 0L;
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static void
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init_stack(int arity, CELL *pt, int top, choiceptr saved_b)
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{
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/* create an initial pseudo environment so that when garbage
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collection is going up in the environment chain it doesn't get
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confused */
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@ -1481,8 +1481,19 @@ do_goal(Term t, yamop *CodeAdr, int arity, CELL *pt, int top)
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WPP = NULL;
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#endif
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YENV[E_CB] = Unsigned (B);
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P = (yamop *) CodeAdr;
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CP = YESCODE;
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}
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static Term
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do_goal(Term t, yamop *CodeAdr, int arity, CELL *pt, int top)
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{
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choiceptr saved_b = B;
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Term out = 0L;
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init_stack(arity, pt, top, saved_b);
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P = (yamop *) CodeAdr;
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S = CellPtr (RepPredProp (PredPropByFunc (Yap_MkFunctor(AtomCall, 1),0))); /* A1 mishaps */
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S = CellPtr (RepPredProp (PredPropByFunc (Yap_MkFunctor(AtomCall, 1),0))); /* A1 mishaps */
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out = exec_absmi(top);
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@ -1974,6 +1985,7 @@ Yap_InitYaamRegs(void)
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CreepFlag = CalculateStackGap();
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UNLOCK(SignalLock);
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EX = 0L;
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init_stack(0, NULL, TRUE, NULL);
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/* for slots to work */
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Yap_StartSlots();
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GlobalArena = TermNil;
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@ -16,6 +16,7 @@
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<h2>Yap-5.1.2:</h2>
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<ul>
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<li> FIXED: error with atoms in arithmetic messages (obs from Paulo Moura).</li>
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<li> FIXED: bug in meta-calls to external C code (obs from Bernd Gutmann).</li>
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<li> NEW: matlab interface.</li>
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<li> FIXED: search for libraries right.</li>
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53
docs/yap.tex
53
docs/yap.tex
@ -12179,6 +12179,7 @@ fetch the head or the tail.
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@findex YAP_MkApplTerm (C-Interface function)
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@findex YAP_MkNewApplTerm (C-Interface function)
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@findex YAP_ArgOfTerm (C-Interface function)
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@findex YAP_ArgsOfTerm (C-Interface function)
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@findex YAP_FunctorOfTerm (C-Interface function)
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A @i{compound} term consists of a @i{functor} and a sequence of terms with
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length equal to the @i{arity} of the functor. A functor, described in C by
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@ -12189,6 +12190,7 @@ functors
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YAP_Term YAP_MkApplTerm(YAP_Functor @var{f}, unsigned long int @var{n}, YAP_Term[] @var{args})
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YAP_Term YAP_MkNewApplTerm(YAP_Functor @var{f}, int @var{n})
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YAP_Term YAP_ArgOfTerm(int argno,YAP_Term @var{ts})
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YAP_Term *YAP_ArgsOfTerm(YAP_Term @var{ts})
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YAP_Functor YAP_FunctorOfTerm(YAP_Term @var{ts})
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@end example
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@noindent
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@ -12198,7 +12200,8 @@ terms with @var{n} equal to the arity of the
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functor. @code{YAP_MkNewApplTerm} builds up a compound term whose
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arguments are unbound variables. @code{YAP_ArgOfTerm} gives an argument
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to a compound term. @code{argno} should be greater or equal to 1 and
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less or equal to the arity of the functor.
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less or equal to the arity of the functor. @code{YAP_ArgsOfTerm}
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returns a pinter to an array of arguments.
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YAP allows one to manipulate the functors of compound term. The function
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@code{YAP_FunctorOfTerm} allows one to obtain a variable of type
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@ -12820,6 +12823,54 @@ space pointed to by @var{tp}
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@findex YAP_ClearExceptions/0
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Reset any exceptions left over by the system.
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@item @code{YAP_PredEntryPtr} YAP_FunctorToPred(@code{YAP_Functor} @var{f},
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@findex YAP_FunctorToPred/1
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Return the predicate whose main functor is @var{f}.
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@item @code{YAP_PredEntryPtr} YAP_AtomToPred(@code{YAP_Atom} @var{at},
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@findex YAP_AtomToPred/1
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Return the arity 0 predicate whose name is @var{at}.
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@item @code{YAP_Bool} YAP_EnterGoal(@code{YAP_PredEntryPtr} @var{pe},
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@code{YAP_Term *} @var{array}, @code{YAP_dogoalinfo *} @var{infop})
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@findex YAP_EnterGoal/3
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Execute a query for predicate @var{pe}. The query is given as an
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array of terms @var{Array}. @var{infop} is the address of a goal
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handle that can be used to backtrack and to recover space. Succeeds if
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a solution was found.
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Notice that you cannot create new slots if an YAP_EnterGoal goal is open.
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@item @code{YAP_Bool} YAP_RetryGoal(@code{YAP_dogoalinfo *} @var{infop})
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@findex YAP_RetryGoal/1
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Backtrack to a query created by @code{YAP_EnterGoal}. The query is
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given by the handle @var{infop}. Returns whether a new solution could
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be be found.
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@item @code{YAP_Bool} YAP_LeaveGoal(@code{YAP_Bool} @var{backtrack},
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@code{YAP_dogoalinfo *} @var{infop})
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@findex YAP_LeaveGoal/2
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Exit a query query created by @code{YAP_EnterGoal}. If
|
||||
@code{backtrack} is @code{TRUE}, variable bindings are undone and Heap
|
||||
space is recovered. Otherwise, stack space is recovered.
|
||||
|
||||
Next, follows an example of how to use @code{YAP_EnterGoal}:
|
||||
@example
|
||||
void
|
||||
runall(YAP_Term g)
|
||||
@{
|
||||
YAP_dogoalinfo goalInfo;
|
||||
YAP_Term *goalArgs = YAP_ArraysOfTerm(g);
|
||||
YAP_Functor *goalFunctor = YAP_FunctorOfTerm(g);
|
||||
YAP_PredEntryPtr goalPred = YAP_FunctorToGoal(goalFunctor);
|
||||
|
||||
result = YAP_EnterGoal( goalPred, goalArgs, &goalInfo );
|
||||
while (result)
|
||||
result = YAP_RetryGoal( &goalInfo );
|
||||
YAP_LeaveGoal(TRUE, &goalInfo);
|
||||
@}
|
||||
@end example
|
||||
|
||||
@item @code{YAP_Term} YAP_Write(@code{YAP_Term} @var{t})
|
||||
@findex YAP_CopyTerm/1
|
||||
Copy a Term @var{t} and all associated constraints. May call the garbage
|
||||
|
||||
@ -166,6 +166,9 @@ extern X_API YAP_Functor PROTO(YAP_FunctorOfTerm,(YAP_Term));
|
||||
/* YAP_Term ArgOfTerm(unsigned int argno,YAP_Term t) */
|
||||
extern X_API YAP_Term PROTO(YAP_ArgOfTerm,(unsigned int,YAP_Term));
|
||||
|
||||
/* YAP_Term *ArgsOfTerm(YAP_Term t) */
|
||||
extern X_API YAP_Term *PROTO(YAP_ArgsOfTerm,(YAP_Term));
|
||||
|
||||
/* YAP_Functor MkFunctor(YAP_Atom a,int arity) */
|
||||
extern X_API YAP_Functor PROTO(YAP_MkFunctor,(YAP_Atom,unsigned int));
|
||||
|
||||
@ -228,9 +231,25 @@ extern X_API YAP_Bool PROTO(YAP_ShutdownGoal,(int));
|
||||
/* int YAP_ContinueGoal(void) */
|
||||
extern X_API YAP_Bool PROTO(YAP_ContinueGoal,(void));
|
||||
|
||||
|
||||
/* void YAP_PruneGoal(void) */
|
||||
extern X_API void PROTO(YAP_PruneGoal,(void));
|
||||
|
||||
/* int YAP_FunctorToPred(struct pred_entry *, YAP_Term *) */
|
||||
extern X_API YAP_PredEntryPtr PROTO(YAP_FunctorToPred,(YAP_Functor));
|
||||
|
||||
/* int YAP_AtomToPred(struct pred_entry *, YAP_Term *) */
|
||||
extern X_API YAP_PredEntryPtr PROTO(YAP_AtomToPred,(YAP_Atom));
|
||||
|
||||
/* int YAP_EnterGoal(void) */
|
||||
extern X_API YAP_Bool PROTO(YAP_EnterGoal,(YAP_PredEntryPtr, YAP_Term *, YAP_dogoalinfo *));
|
||||
|
||||
/* int YAP_RetryGoal(void) */
|
||||
extern X_API YAP_Bool PROTO(YAP_RetryGoal,(YAP_dogoalinfo *));
|
||||
|
||||
/* int YAP_LeaveGoal(void) */
|
||||
extern X_API YAP_Bool PROTO(YAP_LeaveGoal,(int, YAP_dogoalinfo *));
|
||||
|
||||
/* int YAP_GoalHasException(YAP_Term *) */
|
||||
extern X_API YAP_Bool PROTO(YAP_GoalHasException,(YAP_Term *));
|
||||
|
||||
|
||||
@ -138,3 +138,11 @@ typedef struct {
|
||||
int (*cancel)(int);
|
||||
} YAP_thread_attr;
|
||||
|
||||
typedef struct YAP_pred_entry *YAP_PredEntryPtr;
|
||||
|
||||
/* this should be opaque to the user */
|
||||
typedef struct {
|
||||
unsigned long b;
|
||||
struct yami *p;
|
||||
} YAP_dogoalinfo;
|
||||
|
||||
|
||||
Reference in New Issue
Block a user