245aeff128
git-svn-id: https://yap.svn.sf.net/svnroot/yap/trunk@21 b08c6af1-5177-4d33-ba66-4b1c6b8b522a
11129 lines
253 KiB
C
11129 lines
253 KiB
C
/*************************************************************************
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* *
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* YAP Prolog *
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* *
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* Yap Prolog was developed at NCCUP - Universidade do Porto *
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* *
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* Copyright L.Damas, V.S.Costa and Universidade do Porto 1985-1997 *
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* *
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**************************************************************************
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* *
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* File: absmi.c *
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* Last rev: *
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* mods: *
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* comments: Portable abstract machine interpreter *
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* *
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*************************************************************************/
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#define IN_ABSMI_C 1
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#include "absmi.h"
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#include "heapgc.h"
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#if USE_THREADED_CODE
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/* easy access to instruction opcodes */
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void **ABSMI_OPCODES;
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#endif
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inline static Functor
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AritFunctorOfTerm(Term t) {
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if (IsVarTerm(t)) {
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return(FunctorDBRef);
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}
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if (IsApplTerm(t)) {
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return(FunctorOfTerm(t));
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} else {
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if (IsIntTerm(t))
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return(FunctorLongInt);
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else
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return(FunctorDBRef);
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}
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}
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#define RINT(v) return(MkIntegerTerm(v))
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#define RFLOAT(v) return(MkFloatTerm(v))
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#define RBIG(v) return(MkBigIntTerm(v))
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#define RERROR() return(TermNil)
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#define ArithIEval(t,v) Eval(Deref(t),v)
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#define E_FUNC Term
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#define E_ARGS
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#define USE_E_ARGS
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#include "arith2.h"
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#ifdef COROUTINING
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/*
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Imagine we are interrupting the execution, say, because we have a spy
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point or because we have goals to wake up. This routine saves the current
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live temporary registers into a structure pointed to by register ARG1.
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The registers are then recovered by a nasty builtin
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called
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*/
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static Term
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push_live_regs(yamop *pco)
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{
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CELL *lab = (CELL *)(pco->u.l.l);
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CELL max = lab[0];
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Int curr = lab[1];
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CELL *start = H;
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Int tot = 0;
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if (max) {
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Int i;
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lab += 2;
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H++;
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for (i=0; i <= max; i++) {
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if (i == 8*CellSize) {
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curr = lab[0];
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lab++;
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}
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if (curr & 1) {
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CELL d1;
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tot+=2;
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H[0] = MkIntTerm(i);
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d1 = XREGS[i];
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deref_head(d1, wake_up_unk);
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wake_up_nonvar:
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/* just copy it to the heap */
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H[1] = d1;
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H += 2;
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continue;
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{
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CELL *pt0;
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deref_body(d1, pt0, wake_up_unk, wake_up_nonvar);
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/* bind it, in case it is a local variable */
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if (pt0 <= H) {
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/* variable is safe */
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H[1] = (CELL)pt0;
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} else {
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d1 = Unsigned(H+1);
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RESET_VARIABLE(H+1);
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Bind_Local(pt0, d1);
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}
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}
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H += 2;
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}
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curr >>= 1;
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}
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start[0] = (CELL)MkFunctor(AtomTrue, tot);
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return(AbsAppl(start));
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} else {
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return(TermNil);
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}
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}
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#endif
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Int
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absmi(int inp)
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{
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#if BP_FREE
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/* some function might be using bp for an internal variable, it is the
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callee's responsability to save it */
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yamop* PCBACKUP = P1REG;
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#endif
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#ifdef LONG_LIVED_REGISTERS
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register CELL d0, d1;
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register CELL *pt0, *pt1;
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#endif /* LONG_LIVED_REGISTERS */
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#if SHADOW_P
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register yamop *PREG = P;
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#endif /* SHADOW_P */
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#if SHADOW_CP
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register yamop *CPREG = CP;
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#endif /* SHADOW_CP */
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#if SHADOW_HB
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register CELL *HBREG = HB;
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#endif /* SHADOW_HB */
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#if SHADOW_CrFl
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register CELL CFREG = CreepFlag;
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#endif /* SHADOW_CP */
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#if SHADOW_Y
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register CELL *Y = REGS.YENV_;
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#endif /* SHADOW_Y */
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#if SHADOW_S
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register CELL *SREG = REGS.S_;
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#else
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#define SREG S
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#endif /* SHADOW_S */
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/* The indexing register so that we will not destroy ARG1 without
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* reason */
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#define I_R (XREGS[0])
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#if USE_THREADED_CODE
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/************************************************************************/
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/* Abstract Machine Instruction Address Table */
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/* This must be declared inside the function. We use the asm directive */
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/* to make it available outside this function */
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/************************************************************************/
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static void *OpAddress[] =
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{
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#define OPCODE(OP,TYPE) && OP
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#include "YapOpcodes.h"
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#undef OPCODE
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};
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#endif /* USE_THREADED_CODE */
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#if SHADOW_REGS
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/* work with a local pointer to the registers */
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register REGSTORE *regp = ®S;
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#endif /* SHADOW_REGS */
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#if PUSH_REGS
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/* useful on a X86 with -fomit-frame-pointer optimisation */
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/* The idea is to push REGS onto the X86 stack frame */
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/* first allocate local space */
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REGSTORE absmi_regs;
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REGSTORE *old_regs = regp;
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#endif /* PUSH_REGS */
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#if USE_THREADED_CODE
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/* absmadr */
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if (inp > 0) {
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ABSMI_OPCODES = OpAddress;
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#if BP_FREE
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P1REG = PCBACKUP;
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#endif
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return(0);
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}
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#endif /* USE_THREADED_CODE */
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reset_absmi:
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#if PUSH_REGS
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old_regs = ®S;
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/* done, let us now initialise this space */
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init_absmi_regs(&absmi_regs);
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/* the registers are all set up, let's swap */
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regp = &absmi_regs;
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#undef REGS
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#define REGS absmi_regs
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#endif /* PUSH_REGS */
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#if SHADOW_REGS
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/* use regp as a copy of REGS */
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regp = ®S;
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#ifdef REGS
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#undef REGS
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#endif
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#define REGS (*regp)
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#endif /* SHADOW_REGS */
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setregs();
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#if !S_IN_MEM
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CACHE_A1();
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#endif
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SP = SP0;
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#if USE_THREADED_CODE
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JMPNext(); /* go execute instruction at P */
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#else
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/* when we start we are not in write mode */
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{
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op_numbers opcode = _Ystop;
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#ifdef DEBUG_XX
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op_numbers old_op;
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unsigned long ops_done;
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#endif
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goto nextop;
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nextop_write:
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#ifdef DEBUG_XX
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old_op = opcode;
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#endif
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opcode = PREG->u.o.opcw;
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goto op_switch;
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nextop:
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#ifdef DEBUG_XX
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old_op = opcode;
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#endif
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opcode = PREG->opc;
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op_switch:
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#ifdef ANALYST
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opcount[opcode]++;
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#ifdef DEBUG_XX
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ops_done++;
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/* if (B->cp_b > 0x103fff90)
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fprintf(stderr,"(%ld) doing %s, done %s, B is %p, HB is %p, H is %p\n",
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ops_done,op_names[opcode],op_names[old_op],B,B->cp_h,H);*/
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#endif
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#endif /* ANALYST */
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switch (opcode) {
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#endif /* USE_THREADED_CODE */
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noheapleft:
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CFREG = MinStackGap*(stack_overflows+1);
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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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#endif
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if (!growheap(FALSE)) {
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Abort("[ SYSTEM ERROR: YAP failed to reserve space in growheap ]\n");
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FAIL();
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}
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goto reset_absmi;
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#if !OS_HANDLES_TR_OVERFLOW
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notrailleft:
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saveregs();
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/* if we are within indexing code, the system may have to
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* update a S */
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#if SHADOW_S
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S = SREG;
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#endif
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/* Y was pointing to where we were going to build the
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* next choice-point. The stack shifter will need to know this
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* to move the local stack */
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if (Y > (CELL *) B) {
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ASP = (CELL *) B;
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}
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else {
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ASP = Y+E_CB;
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}
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#if PUSH_REGS
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restore_absmi_regs(old_regs);
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#endif
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if(!growtrail (sizeof(CELL) * 16 * 1024L)) {
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Error(SYSTEM_ERROR,TermNil,"YAP failed to reserve %ld bytes in growtrail",sizeof(CELL) * 16 * 1024L);
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FAIL();
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}
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goto reset_absmi;
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#endif /* OS_HANDLES_TR_OVERFLOW */
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BOp(Ystop, e);
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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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#endif
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#if BP_FREE
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P1REG = PCBACKUP;
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#endif
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return (1);
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ENDBOp();
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BOp(Nstop, e);
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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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#endif
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#if BP_FREE
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P1REG = PCBACKUP;
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#endif
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return (0);
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ENDBOp();
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/*****************************************************************
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* Plain try - retry - trust instructions *
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*****************************************************************/
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/* try_me Label,NArgs */
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Op(try_me, ld);
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/* check if enough space between trail and codespace */
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check_trail();
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/* I use Y to go through the choicepoint. Usually Y is in a
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* register, but sometimes (X86) not. In this case, have a
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* new register to point at Y */
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CACHE_Y(Y);
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/* store arguments for procedure */
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store_at_least_one_arg(PREG->u.ld.s);
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/* store abstract machine registers */
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store_yaam_regs(PREG->u.ld.d, 0);
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/* On a try_me, set cut to point at previous choicepoint,
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* that is, to the B before the cut.
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*/
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set_cut(S_Y, B);
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/* now, install the new Y */
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B = B_Y;
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#ifdef YAPOR
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SCH_set_load(B_Y);
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#endif /* YAPOR */
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SET_BB(B_Y);
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ENDCACHE_Y();
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PREG = NEXTOP(PREG, ld);
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GONext();
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ENDOp();
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/* retry_me Label,NArgs */
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Op(retry_me, ld);
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CACHE_Y(B);
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/* After retry, cut should be pointing at the parent
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* choicepoint for the current B */
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restore_yaam_regs(PREG->u.ld.d);
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restore_at_least_one_arg(PREG->u.ld.s);
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#ifdef FROZEN_REGS
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S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
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set_cut(S_Y, B->cp_b);
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#else
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set_cut(S_Y, B_Y->cp_b);
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#endif /* FROZEN_REGS */
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SET_BB(B_Y);
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ENDCACHE_Y();
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PREG = NEXTOP(PREG, ld);
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GONext();
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ENDOp();
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/* trust_me UnusedLabel,NArgs */
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Op(trust_me, ld);
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CACHE_Y(B);
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#ifdef YAPOR
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if (SCH_top_shared_cp(B)) {
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SCH_last_alternative(PREG, B_Y);
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restore_at_least_one_arg(PREG->u.ld.s);
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#ifdef FROZEN_REGS
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B_Y = PROTECT_FROZEN_B(B_Y);
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#endif /* FROZEN_REGS */
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set_cut(S_Y, B->cp_b);
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}
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else
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#endif /* YAPOR */
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{
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pop_yaam_regs();
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pop_at_least_one_arg(PREG->u.ld.s);
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/* After trust, cut should be pointing at the new top
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* choicepoint */
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#ifdef FROZEN_REGS
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S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
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#endif /* FROZEN_REGS */
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set_cut(S_Y, B);
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}
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PREG = NEXTOP(PREG, ld);
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SET_BB(B_Y);
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ENDCACHE_Y();
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GONext();
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ENDOp();
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/*****************************************************************
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* Profiled try - retry - trust instructions *
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*****************************************************************/
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/* profiled_enter_me Label,NArgs */
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Op(enter_profiling, l);
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LOCK(((PredEntry *)(PREG->u.l.l))->StatisticsForPred.lock);
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((PredEntry *)(PREG->u.l.l))->StatisticsForPred.NOfEntries++;
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UNLOCK(((PredEntry *)(PREG->u.l.l))->StatisticsForPred.lock);
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PREG = NEXTOP(PREG, l);
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GONext();
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ENDOp();
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/* profiled_enter_me Label,NArgs */
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Op(retry_profiled, l);
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LOCK(((PredEntry *)(PREG->u.l.l))->StatisticsForPred.lock);
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((PredEntry *)(PREG->u.l.l))->StatisticsForPred.NOfRetries++;
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UNLOCK(((PredEntry *)(PREG->u.l.l))->StatisticsForPred.lock);
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PREG = NEXTOP(PREG, l);
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GONext();
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ENDOp();
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/* profiled_retry_me Label,NArgs */
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Op(profiled_retry_me, ld);
|
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CACHE_Y(B);
|
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/* After retry, cut should be pointing at the parent
|
||
* choicepoint for the current B */
|
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LOCK(((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.lock);
|
||
((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.NOfRetries++;
|
||
UNLOCK(((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.lock);
|
||
restore_yaam_regs(PREG->u.ld.d);
|
||
restore_args(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
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S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
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set_cut(S_Y, B->cp_b);
|
||
#else
|
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set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* profiled_trust_me UnusedLabel,NArgs */
|
||
Op(profiled_trust_me, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
restore_args(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
pop_args(PREG->u.ld.s);
|
||
/* After trust, cut should be pointing at the new top
|
||
* choicepoint */
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
LOCK(((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.lock);
|
||
((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.NOfRetries++;
|
||
UNLOCK(((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.lock);
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/*****************************************************************
|
||
* Specialised try - retry - trust instructions *
|
||
*****************************************************************/
|
||
/* try_me0 Label,NArgs */
|
||
Op(try_me0, ld);
|
||
check_trail();
|
||
CACHE_Y(Y);
|
||
store_yaam_regs(PREG->u.ld.d, 0);
|
||
set_cut(S_Y, B);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif /* YAPOR */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* retry_me0 Label,NArgs */
|
||
Op(retry_me0, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ld.d);
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* trust_me0 UnusedLabel,NArgs */
|
||
Op(trust_me0, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
S_Y = (CELL *)(B_Y+1);
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* try_me1 Label,NArgs */
|
||
Op(try_me1, ld);
|
||
check_trail();
|
||
CACHE_Y(Y);
|
||
{
|
||
register CELL x1 = CACHED_A1();
|
||
|
||
store_yaam_regs(PREG->u.ld.d, 1);
|
||
B_Y->cp_a1 = x1;
|
||
}
|
||
set_cut(S_Y, B);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif /* YAPOR */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* retry_me1 Label,NArgs */
|
||
Op(retry_me1, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ld.d);
|
||
ARG1 = B_Y->cp_a1;
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* trust_me1 UnusedLabel,NArgs */
|
||
Op(trust_me1, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
ARG1 = B_Y->cp_a1;
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
ARG1 = B_Y->cp_a1;
|
||
S_Y = &(B_Y->cp_a2);
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* try_me2 Label,NArgs */
|
||
Op(try_me2, ld);
|
||
check_trail();
|
||
CACHE_Y(Y);
|
||
#ifdef HAVE_FEW_REGS
|
||
store_yaam_regs(PREG->u.ld.d, 2);
|
||
B_Y->cp_a1 = CACHED_A1();
|
||
B_Y->cp_a2 = ARG2;
|
||
#else
|
||
{
|
||
register CELL x2 = ARG2;
|
||
register CELL x1 = CACHED_A1();
|
||
|
||
store_yaam_regs(PREG->u.ld.d, 2);
|
||
B_Y->cp_a1 = x1;
|
||
B_Y->cp_a2 = x2;
|
||
}
|
||
#endif
|
||
set_cut(S_Y, B);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif /* YAPOR */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* retry_me2 Label,NArgs */
|
||
Op(retry_me2, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ld.d);
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* trust_me2 UnusedLabel,NArgs */
|
||
Op(trust_me2, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
S_Y = &(B_Y->cp_a3);
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* try_me3 Label,NArgs */
|
||
Op(try_me3, ld);
|
||
check_trail();
|
||
CACHE_Y(Y);
|
||
#ifdef HAVE_FEW_REGS
|
||
store_yaam_regs(PREG->u.ld.d, 3);
|
||
B_Y->cp_a1 = CACHED_A1();
|
||
B_Y->cp_a2 = ARG2;
|
||
B_Y->cp_a3 = ARG3;
|
||
#else
|
||
{
|
||
register CELL x1 = CACHED_A1();
|
||
register CELL x2 = ARG2;
|
||
register CELL x3 = ARG3;
|
||
|
||
store_yaam_regs(PREG->u.ld.d, 3);
|
||
B_Y->cp_a1 = x1;
|
||
B_Y->cp_a2 = x2;
|
||
B_Y->cp_a3 = x3;
|
||
}
|
||
#endif
|
||
set_cut(S_Y, B);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif /* YAPOR */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* retry_me3 Label,NArgs */
|
||
Op(retry_me3, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ld.d);
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
ARG3 = B_Y->cp_a3;
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* trust_me3 UnusedLabel,NArgs */
|
||
Op(trust_me3, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
ARG3 = B_Y->cp_a3;
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
ARG3 = B_Y->cp_a3;
|
||
S_Y = &(B_Y->cp_a4);
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* try_me4 Label,NArgs */
|
||
Op(try_me4, ld);
|
||
check_trail();
|
||
CACHE_Y(Y);
|
||
store_yaam_regs(PREG->u.ld.d, 4);
|
||
#ifdef HAVE_FEW_REGS
|
||
B_Y->cp_a1 = CACHED_A1();
|
||
B_Y->cp_a2 = ARG2;
|
||
B_Y->cp_a3 = ARG3;
|
||
B_Y->cp_a4 = ARG4;
|
||
#else
|
||
{
|
||
register CELL x1 = CACHED_A1();
|
||
register CELL x2 = ARG2;
|
||
register CELL x3 = ARG3;
|
||
register CELL x4 = ARG4;
|
||
|
||
B_Y->cp_a1 = x1;
|
||
B_Y->cp_a2 = x2;
|
||
B_Y->cp_a3 = x3;
|
||
B_Y->cp_a4 = x4;
|
||
}
|
||
#endif
|
||
set_cut(S_Y, B);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif /* YAPOR */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* retry_me4 Label,NArgs */
|
||
Op(retry_me4, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ld.d);
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
ARG3 = B_Y->cp_a3;
|
||
ARG4 = B_Y->cp_a4;
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* trust_me4 UnusedLabel,NArgs */
|
||
Op(trust_me4, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
ARG3 = B_Y->cp_a3;
|
||
ARG4 = B_Y->cp_a4;
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
ARG1 = B_Y->cp_a1;
|
||
ARG2 = B_Y->cp_a2;
|
||
ARG3 = B_Y->cp_a3;
|
||
ARG4 = B_Y->cp_a4;
|
||
S_Y = &(B_Y->cp_a5);
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = NEXTOP(PREG, ld);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/*****************************************************************
|
||
* enter a logical semantics dynamic predicate *
|
||
*****************************************************************/
|
||
|
||
/* enter logical pred */
|
||
BOp(try_logical_pred, l);
|
||
/* mark the indexing code */
|
||
{
|
||
Clause *cl = (Clause *)PREG->u.l.l;
|
||
PREG = NEXTOP(PREG, l);
|
||
LOCK(cl->ClLock);
|
||
/* indicate the indexing code is being used */
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
/* just store a reference */
|
||
INC_CLREF_COUNT(cl);
|
||
TRAIL_REF(&(cl->ClFlags));
|
||
#else
|
||
if (!(cl->ClFlags & InUseMask)) {
|
||
cl->ClFlags |= InUseMask;
|
||
TRAIL_REF(&(cl->ClFlags));
|
||
cl->u2.ClUse = TR-(tr_fr_ptr)(TrailBase);
|
||
}
|
||
#endif
|
||
UNLOCK(cl->ClLock);
|
||
}
|
||
GONext();
|
||
ENDBOp();
|
||
|
||
/* trust a logical pred, that is, release the code */
|
||
BOp(trust_logical_pred, l);
|
||
/* unmark the indexing code */
|
||
/* mark the indexing code */
|
||
{
|
||
Clause *cl = (Clause *)PREG->u.l.l;
|
||
PREG = NEXTOP(PREG, l);
|
||
/* check if we are the ones using this code */
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
LOCK(cl->ClLock);
|
||
DEC_CLREF_COUNT(cl);
|
||
/* clear the entry from the trail */
|
||
TR = --(B->cp_tr);
|
||
/* actually get rid of the code */
|
||
if (!CL_IN_USE(cl) && cl->ClFlags & ErasedMask) {
|
||
UNLOCK(cl->ClLock);
|
||
/* I am the last one using this clause, hence I don't need a lock
|
||
to dispose of it
|
||
*/
|
||
ErCl(cl);
|
||
} else {
|
||
UNLOCK(cl->ClLock);
|
||
}
|
||
#else
|
||
if (cl->u2.ClUse == TR-(tr_fr_ptr)(TrailBase)) {
|
||
cl->u2.ClUse = 0;
|
||
cl->ClFlags &= ~InUseMask;
|
||
/* clear the entry from the trail */
|
||
TR = --(B->cp_tr);
|
||
/* next, recover space for the indexing code if it was erased */
|
||
if (cl->ClFlags & ErasedMask) {
|
||
ErCl(cl);
|
||
}
|
||
}
|
||
#endif
|
||
}
|
||
GONext();
|
||
ENDBOp();
|
||
|
||
/* enter logical pred */
|
||
BOp(alloc_for_logical_pred, EC);
|
||
/* say that an environment is using this clause */
|
||
/* we have our own copy for the clause */
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
{
|
||
Clause *cl = (Clause *)PREG->u.EC.ClBase;
|
||
|
||
LOCK(cl->ClLock);
|
||
/* always add an extra reference */
|
||
INC_CLREF_COUNT(cl);
|
||
TRAIL_REF(&(cl->ClFlags));
|
||
UNLOCK(cl->ClLock);
|
||
}
|
||
#else
|
||
if (PREG->u.EC.ClENV == 0) {
|
||
Clause *cl = (Clause *)PREG->u.EC.ClBase;
|
||
|
||
/* marking a new clause */
|
||
PREG->u.EC.ClTrail = TR-(tr_fr_ptr)TrailBase;
|
||
PREG->u.EC.ClENV = LCL0-YENV;
|
||
cl->ClFlags |= InUseMask;
|
||
TRAIL_REF(&(cl->ClFlags));
|
||
}
|
||
#endif
|
||
PREG = NEXTOP(PREG, EC);
|
||
GONext();
|
||
ENDBOp();
|
||
|
||
/* exit logical pred */
|
||
BOp(dealloc_for_logical_pred, l);
|
||
{
|
||
yamop *ecl = (yamop *)PREG->u.l.l;
|
||
PREG = NEXTOP(PREG, l);
|
||
/* check first if environment is protected */
|
||
BEGP(pt0);
|
||
pt0 = (CELL *) YENV;
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
|
||
#ifdef SBA
|
||
if (pt0 > (CELL *) top_b || pt0 < H) {
|
||
GONext();
|
||
}
|
||
#else
|
||
if (pt0 > (CELL *) top_b) {
|
||
GONext();
|
||
}
|
||
#endif
|
||
}
|
||
#else
|
||
if (pt0 > (CELL *)B) {
|
||
GONext();
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
ENDP(pt0);
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
{
|
||
Clause *cl = (Clause *)(ecl->u.EC.ClBase);
|
||
Term tc = AbsPair(((CELL *)&(cl->ClFlags)));
|
||
|
||
/* Question: how do we find the trail cell we want to reset? */
|
||
/* Quick hack: search for it */
|
||
tr_fr_ptr trp = (((choiceptr) YENV[E_CB])->cp_tr);
|
||
while (TrailTerm(trp) != tc) {
|
||
trp++;
|
||
}
|
||
/* the correct solution would be to store this in the environment */
|
||
RESET_VARIABLE(&TrailTerm(trp));
|
||
LOCK(cl->ClLock);
|
||
DEC_CLREF_COUNT(cl);
|
||
UNLOCK(cl->ClLock);
|
||
}
|
||
#else
|
||
if (ecl->u.EC.ClENV == LCL0-YENV) {
|
||
Clause *cl = (Clause *)(ecl->u.EC.ClBase);
|
||
/* if the environment is protected we can't do nothing */
|
||
/* unmark the clause */
|
||
cl->ClFlags &= ~InUseMask;
|
||
ecl->u.EC.ClENV = 0;
|
||
RESET_VARIABLE((CELL *)((tr_fr_ptr)TrailBase+ecl->u.EC.ClTrail));
|
||
if ((cl->ClFlags & ErasedMask) && (ecl->u.EC.ClRefs == 0)) {
|
||
ErCl(cl);
|
||
}
|
||
}
|
||
#endif
|
||
}
|
||
GONext();
|
||
ENDBOp();
|
||
|
||
/*****************************************************************
|
||
* try and retry of dynamic predicates *
|
||
*****************************************************************/
|
||
|
||
/* spy_or_trymark */
|
||
BOp(spy_or_trymark, ld);
|
||
if (FlipFlop ^= 1) {
|
||
READ_LOCK(((PredEntry *)(PREG->u.ld.p))->PRWLock);
|
||
PREG = (yamop *)(&(((PredEntry *)(PREG->u.ld.p))->OpcodeOfPred));
|
||
READ_UNLOCK(((PredEntry *)(PREG->u.ld.p))->PRWLock);
|
||
goto dospy;
|
||
}
|
||
ENDBOp();
|
||
|
||
/* try_and_mark Label,NArgs */
|
||
BOp(try_and_mark, ld);
|
||
check_trail();
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
#ifdef YAPOR
|
||
/* The flags I check here should never change during execution */
|
||
CUT_wait_leftmost();
|
||
#endif /* YAPOR */
|
||
READ_LOCK(((PredEntry *)(PREG->u.ld.p))->PRWLock);
|
||
if (((PredEntry *)(PREG->u.ld.p))->CodeOfPred !=
|
||
(CODEADDR)PREG) {
|
||
/* oops, someone changed the procedure under our feet,
|
||
fortunately this is no big deal because we haven't done
|
||
anything yet */
|
||
READ_UNLOCK(((PredEntry *)(PREG->u.ld.p))->PRWLock);
|
||
PREG = (yamop *)(((PredEntry *)(PREG->u.ld.p))->CodeOfPred);
|
||
JMPNext();
|
||
}
|
||
#endif
|
||
CACHE_Y(Y);
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
/*
|
||
I've got a read lock on the DB, so I don't need to care...
|
||
niaaahh.... niahhhh...
|
||
*/
|
||
LOCK(DynamicLock(PREG));
|
||
/* one can now mess around with the predicate */
|
||
READ_UNLOCK(((PredEntry *)(PREG->u.ld.p))->PRWLock);
|
||
BEGD(d1);
|
||
d1 = PREG->u.ld.s;
|
||
store_args(d1);
|
||
store_yaam_regs(PREG, 0);
|
||
ENDD(d1);
|
||
set_cut(S_Y, B);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif /* YAPOR */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
INC_CLREF_COUNT(ClauseCodeToClause(PREG));
|
||
UNLOCK(DynamicLock(PREG));
|
||
TRAIL_REF((CELL *)&DynamicFlags(PREG));
|
||
#else
|
||
if (FlagOff(InUseMask, DynamicFlags(PREG))) {
|
||
CELL *pt0 = (CELL *)&DynamicFlags(PREG);
|
||
|
||
SetFlag(InUseMask, DynamicFlags(PREG));
|
||
|
||
TRAIL_REF(pt0);
|
||
}
|
||
#endif
|
||
PREG = NEXTOP(PREG,ld);
|
||
JMPNext();
|
||
|
||
ENDBOp();
|
||
|
||
BOp(profiled_retry_and_mark, ld);
|
||
LOCK(((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.lock);
|
||
((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.NOfRetries++;
|
||
UNLOCK(((PredEntry *)(PREG->u.ld.p))->StatisticsForPred.lock);
|
||
/* enter a retry dynamic */
|
||
ENDBOp();
|
||
|
||
/* retry_and_mark Label,NArgs */
|
||
BOp(retry_and_mark, ld);
|
||
#ifdef YAPOR
|
||
CUT_wait_leftmost();
|
||
#endif /* YAPOR */
|
||
/* need to make the DB stable until I get the new clause */
|
||
READ_LOCK(((PredEntry *)(PREG->u.ld.p))->PRWLock);
|
||
CACHE_Y(B);
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
LOCK(DynamicLock(PREG));
|
||
READ_UNLOCK(((PredEntry *)(PREG->u.ld.p))->PRWLock);
|
||
restore_yaam_regs(PREG);
|
||
restore_args(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
S_Y = (CELL *)PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
INC_CLREF_COUNT(ClauseCodeToClause(PREG));
|
||
TRAIL_REF((CELL *)&DynamicFlags(PREG));
|
||
UNLOCK(DynamicLock(PREG));
|
||
#else
|
||
if (FlagOff(InUseMask, DynamicFlags(PREG))) {
|
||
CELL *pt0 = (CELL *)&DynamicFlags(PREG);
|
||
|
||
SetFlag(InUseMask, DynamicFlags(PREG));
|
||
TRAIL_REF(pt0);
|
||
}
|
||
#endif
|
||
PREG = NEXTOP(PREG,ld);
|
||
JMPNext();
|
||
|
||
ENDBOp();
|
||
|
||
/*****************************************************************
|
||
* Failure *
|
||
*****************************************************************/
|
||
|
||
/* trust_fail */
|
||
BOp(trust_fail, e);
|
||
B = B->cp_b;
|
||
goto fail;
|
||
ENDBOp();
|
||
|
||
#ifdef YAPOR
|
||
shared_fail:
|
||
B = LOCAL_top_cp;
|
||
SET_BB(PROTECT_FROZEN_B(B));
|
||
goto fail;
|
||
#endif /* YAPOR */
|
||
|
||
/* fail */
|
||
PBOp(op_fail, e);
|
||
#ifndef NO_CHECKING
|
||
/* the fail builtin may end a loop of C builtins,
|
||
and some of these built-ins may grow the heap. */
|
||
#ifdef YAPOR
|
||
if (HeapTop > GlobalBase - MinHeapGap)
|
||
goto noheapleft_in_fail;
|
||
#else
|
||
if (HeapTop > Addr(AuxSp) - MinHeapGap)
|
||
goto noheapleft_in_fail;
|
||
#endif /* YAPOR */
|
||
#endif
|
||
|
||
fail:
|
||
{
|
||
register tr_fr_ptr pt0 = TR;
|
||
PREG = B->cp_ap;
|
||
CACHE_TR(B->cp_tr);
|
||
RESTORE_TR();
|
||
PREFETCH_OP(PREG);
|
||
failloop:
|
||
if (pt0 == S_TR) {
|
||
#ifdef FROZEN_REGS /* TRAIL */
|
||
#ifdef SBA
|
||
if (pt0 < TR_FZ || pt0 > (tr_fr_ptr)TrailTop)
|
||
#else
|
||
if (pt0 < TR_FZ)
|
||
#endif /* SBA */
|
||
{
|
||
TR = TR_FZ;
|
||
TRAIL_REF(pt0);
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
SP = SP0;
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
op_numbers opnum = op_from_opcode(PREG->opc);
|
||
restart_cp:
|
||
switch (opnum) {
|
||
#ifdef TABLING
|
||
case _table_answer_resolution:
|
||
{
|
||
PredEntry *pe = ENV_ToP(B->cp_cp);
|
||
op_numbers caller_op = op_from_opcode(ENV_ToOp(B->cp_cp));
|
||
/* first condition checks if this was a meta-call */
|
||
if ((caller_op != _call && caller_op != _fcall) || pe == NULL) {
|
||
low_level_trace(retry_table_consumer, NULL, NULL);
|
||
} else {
|
||
low_level_trace(retry_table_consumer, pe, NULL);
|
||
}
|
||
}
|
||
case _table_completion:
|
||
{
|
||
PredEntry *pe = ENV_ToP(B->cp_cp);
|
||
op_numbers caller_op = op_from_opcode(ENV_ToOp(B->cp_cp));
|
||
/* first condition checks if this was a meta-call */
|
||
if ((caller_op != _call && caller_op != _fcall) || pe == NULL) {
|
||
low_level_trace(retry_table_producer, NULL, NULL);
|
||
} else {
|
||
low_level_trace(retry_table_producer, pe, (CELL *)(((gen_cp_ptr)B)+1));
|
||
}
|
||
}
|
||
break;
|
||
case _table_retry_me:
|
||
case _table_trust_me:
|
||
low_level_trace(retry_pred, (PredEntry *)(PREG->u.lds.p), (CELL *)(((gen_cp_ptr)B)+1));
|
||
break;
|
||
#endif
|
||
case _or_else:
|
||
case _or_last:
|
||
low_level_trace(retry_or, (PredEntry *)PREG, &(B->cp_a1));
|
||
break;
|
||
case _trust_logical_pred:
|
||
low_level_trace(retry_pred, (PredEntry *)(NEXTOP(PREG,l)->u.ld.p), &(B->cp_a1));
|
||
break;
|
||
case _switch_last:
|
||
case _switch_l_list:
|
||
low_level_trace(retry_pred, (PredEntry *)(PREG->u.slll.p), &(B->cp_a1));
|
||
break;
|
||
case _retry_c:
|
||
case _retry_userc:
|
||
low_level_trace(retry_pred, (PredEntry *)(PREG->u.lds.p), &(B->cp_a1));
|
||
break;
|
||
case _retry_profiled:
|
||
opnum = op_from_opcode(NEXTOP(B->cp_ap,l)->opc);
|
||
goto restart_cp;
|
||
default:
|
||
low_level_trace(retry_pred, (PredEntry *)(PREG->u.ld.p), &(B->cp_a1));
|
||
}
|
||
}
|
||
#endif /* LOW_LEVEL_TRACER */
|
||
GONext();
|
||
}
|
||
BEGD(d1);
|
||
d1 = TrailTerm(pt0-1);
|
||
pt0--;
|
||
if (IsVarTerm(d1)) {
|
||
#if defined(SBA) && defined(YAPOR)
|
||
/* clean up the trail when we backtrack */
|
||
if (Unsigned((Int)(d1)-(Int)(H_FZ)) >
|
||
Unsigned((Int)(B_FZ)-(Int)(H_FZ))) {
|
||
RESET_VARIABLE(STACK_TO_SBA(d1));
|
||
} else
|
||
#endif
|
||
/* normal variable */
|
||
RESET_VARIABLE(d1);
|
||
goto failloop;
|
||
}
|
||
/* pointer to code space */
|
||
/* or updatable variable */
|
||
#if defined(TERM_EXTENSIONS) || defined(FROZEN_REGS) || defined(MULTI_ASSIGNMENT_VARIABLES)
|
||
if (IsPairTerm(d1))
|
||
#endif
|
||
{
|
||
register CELL flags;
|
||
|
||
d1 = (CELL) RepPair(d1);
|
||
#ifdef FROZEN_REGS /* TRAIL */
|
||
/* avoid frozen segments */
|
||
#ifdef SBA
|
||
if ((ADDR) d1 >= HeapTop)
|
||
#else
|
||
if ((ADDR) d1 >= TrailBase)
|
||
#endif
|
||
{
|
||
pt0 = (tr_fr_ptr) d1;
|
||
goto failloop;
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
flags = Flags(d1);
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
if (!FlagOn(DBClMask, flags)) {
|
||
Clause *cl = ClauseFlagsToClause(d1);
|
||
int erase;
|
||
LOCK(cl->ClLock);
|
||
DEC_CLREF_COUNT(cl);
|
||
erase = (cl->ClFlags & ErasedMask) && (cl->ref_count == 0);
|
||
UNLOCK(cl->ClLock);
|
||
if (erase) {
|
||
saveregs();
|
||
/* at this point,
|
||
we are the only ones accessing the clause,
|
||
hence we don't need to have a lock it */
|
||
ErCl(cl);
|
||
setregs();
|
||
}
|
||
} else {
|
||
DBRef dbr = DBStructFlagsToDBStruct(d1);
|
||
int erase;
|
||
|
||
LOCK(dbr->lock);
|
||
DEC_DBREF_COUNT(dbr);
|
||
erase = (dbr->Flags & ErasedMask) && (dbr->ref_count == 0);
|
||
UNLOCK(dbr->lock);
|
||
if (erase) {
|
||
saveregs();
|
||
ErDBE(dbr);
|
||
setregs();
|
||
}
|
||
}
|
||
#else
|
||
ResetFlag(InUseMask, flags);
|
||
Flags(d1) = flags;
|
||
/* vsc??? if (FlagOn(StaticMask, flags)) {
|
||
if (FlagOff(SpiedMask, flags)) {
|
||
PredCode(d1) = TruePredCode(d1);
|
||
}
|
||
}
|
||
else
|
||
*/
|
||
if (FlagOn(ErasedMask, flags)) {
|
||
if (FlagOn(DBClMask, flags)) {
|
||
saveregs();
|
||
ErDBE(DBStructFlagsToDBStruct(d1));
|
||
setregs();
|
||
} else {
|
||
saveregs();
|
||
ErCl(ClauseFlagsToClause(d1));
|
||
setregs();
|
||
}
|
||
}
|
||
#endif
|
||
goto failloop;
|
||
}
|
||
#ifdef MULTI_ASSIGNMENT_VARIABLES
|
||
else /* if (IsApplTerm(d1)) */ {
|
||
CELL *pt = RepAppl(d1);
|
||
/* AbsAppl means */
|
||
/* multi-assignment variable */
|
||
/* so the next cell is the old value */
|
||
pt0--;
|
||
pt[0] = TrailTerm(pt0);
|
||
goto failloop;
|
||
}
|
||
#endif
|
||
ENDD(d1);
|
||
ENDCACHE_TR();
|
||
}
|
||
ENDPBOp();
|
||
|
||
noheapleft_in_fail:
|
||
ASP = (CELL *)B;
|
||
goto noheapleft;
|
||
|
||
|
||
|
||
/************************************************************************\
|
||
* Cut & Commit Instructions *
|
||
\************************************************************************/
|
||
|
||
/* cut */
|
||
Op(cut, e);
|
||
PREG = NEXTOP(PREG, e);
|
||
BEGD(d0);
|
||
/* assume cut is always in stack */
|
||
d0 = Y[E_CB];
|
||
if (SHOULD_CUT_UP_TO(B,(choiceptr) d0)) {
|
||
/* cut ! */
|
||
#ifdef YAPOR
|
||
CUT_prune_to((choiceptr) d0);
|
||
#else
|
||
B = (choiceptr) d0;
|
||
#endif /* YAPOR */
|
||
SET_BB(PROTECT_FROZEN_B(B));
|
||
HBREG = PROTECT_FROZEN_H(B);
|
||
trim_trail();
|
||
}
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* cut_t */
|
||
/* cut_t does the same as cut */
|
||
Op(cut_t, e);
|
||
PREG = NEXTOP(PREG, e);
|
||
BEGD(d0);
|
||
/* assume cut is always in stack */
|
||
d0 = Y[E_CB];
|
||
if (SHOULD_CUT_UP_TO(B,(choiceptr) d0)) {
|
||
/* cut ! */
|
||
#ifdef YAPOR
|
||
CUT_prune_to((choiceptr) d0);
|
||
#else
|
||
B = (choiceptr) d0;
|
||
#endif /* YAPOR */
|
||
SET_BB(PROTECT_FROZEN_B(B));
|
||
HBREG = PROTECT_FROZEN_H(B);
|
||
trim_trail();
|
||
}
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* cut_e */
|
||
Op(cut_e, e);
|
||
PREG = NEXTOP(PREG, e);
|
||
BEGD(d0);
|
||
/* we assume dealloc leaves in S the previous env */
|
||
d0 = SREG[E_CB];
|
||
if (SHOULD_CUT_UP_TO(B,(choiceptr)d0)) {
|
||
/* cut ! */
|
||
#ifdef YAPOR
|
||
CUT_prune_to((choiceptr) d0);
|
||
#else
|
||
B = (choiceptr) d0;
|
||
#endif /* YAPOR */
|
||
SET_BB(PROTECT_FROZEN_B(B));
|
||
HBREG = PROTECT_FROZEN_H(B);
|
||
trim_trail();
|
||
}
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* save_b_x Xi */
|
||
Op(save_b_x, x);
|
||
BEGD(d0);
|
||
d0 = PREG->u.x.x;
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
XREG(d0) = MkIntegerTerm((Int)B);
|
||
#else
|
||
XREG(d0) = MkIntTerm(LCL0-(CELL *) (B));
|
||
#endif
|
||
PREG = NEXTOP(PREG, x);
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* save_b_y Yi */
|
||
Op(save_b_y, y);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.y.y,MkIntegerTerm((Int)B));
|
||
#else
|
||
Y[PREG->u.y.y] = MkIntTerm(LCL0-(CELL *) (B));
|
||
#endif
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* comit_b_x Xi */
|
||
Op(comit_b_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
#ifdef COROUTINING
|
||
CACHE_Y_AS_ENV(Y);
|
||
check_stack(NoStackComitX, H);
|
||
ENDCACHE_Y_AS_ENV();
|
||
do_comit_b_x:
|
||
#endif
|
||
/* skip a void call and a label */
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, x),sla),l);
|
||
{
|
||
choiceptr pt0;
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
pt0 = (choiceptr)IntegerOfTerm(d0);
|
||
#else
|
||
pt0 = (choiceptr)(LCL0-IntOfTerm(d0));
|
||
#endif
|
||
if (SHOULD_CUT_UP_TO(B,pt0)) {
|
||
#ifdef YAPOR
|
||
CUT_prune_to(pt0);
|
||
#else
|
||
B = pt0;
|
||
#endif /* YAPOR */
|
||
SET_BB(PROTECT_FROZEN_B(B));
|
||
HBREG = PROTECT_FROZEN_H(pt0);
|
||
trim_trail();
|
||
}
|
||
}
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* comit_b_y Yi */
|
||
Op(comit_b_y, y);
|
||
BEGD(d0);
|
||
d0 = Y[PREG->u.y.y];
|
||
#ifdef COROUTINING
|
||
CACHE_Y_AS_ENV(Y);
|
||
check_stack(NoStackComitY, H);
|
||
ENDCACHE_Y_AS_ENV();
|
||
do_comit_b_y:
|
||
#endif
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, y),sla),l);
|
||
{
|
||
choiceptr pt0;
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
pt0 = (choiceptr)IntegerOfTerm(d0);
|
||
#else
|
||
pt0 = (choiceptr)(LCL0-IntOfTerm(d0));
|
||
#endif
|
||
if (SHOULD_CUT_UP_TO(B,pt0)) {
|
||
#ifdef YAPOR
|
||
CUT_prune_to(pt0);
|
||
#else
|
||
B = pt0;
|
||
#endif /* YAPOR */
|
||
SET_BB(PROTECT_FROZEN_B(B));
|
||
HBREG = PROTECT_FROZEN_H(pt0);
|
||
trim_trail();
|
||
}
|
||
}
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/*************************************************************************
|
||
* Call / Proceed instructions *
|
||
*************************************************************************/
|
||
|
||
/* Macros for stack trimming */
|
||
|
||
/* execute Label */
|
||
BOp(execute, l);
|
||
BEGP(pt0);
|
||
CACHE_Y_AS_ENV(Y);
|
||
pt0 = (CELL *) (PREG->u.l.l);
|
||
CACHE_A1();
|
||
ALWAYS_LOOKAHEAD(PredOpCode(pt0));
|
||
BEGD(d0);
|
||
d0 = (CELL)B;
|
||
#ifndef NO_CHECKING
|
||
check_stack(NoStackExecute, H);
|
||
#endif
|
||
PREG = (yamop *) PredCode(pt0);
|
||
E_Y[E_CB] = d0;
|
||
ENDD(d0);
|
||
#ifdef DEPTH_LIMIT
|
||
if (DEPTH <= MkIntTerm(1)) {/* I assume Module==0 is prolog */
|
||
if (Module(pt0)) {
|
||
if (DEPTH == MkIntTerm(0))
|
||
FAIL();
|
||
else DEPTH = RESET_DEPTH();
|
||
}
|
||
} else if (Module(pt0))
|
||
DEPTH -= MkIntConstant(2);
|
||
#endif /* DEPTH_LIMIT */
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace)
|
||
low_level_trace(enter_pred,pred_entry(pt0),XREGS+1);
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
/* this is the equivalent to setting up the stack */
|
||
ALWAYS_GONext();
|
||
ALWAYS_END_PREFETCH();
|
||
ENDCACHE_Y_AS_ENV();
|
||
ENDP(pt0);
|
||
ENDBOp();
|
||
|
||
NoStackExecute:
|
||
SREG = (CELL *) (PREG->u.l.l);
|
||
#ifdef YAPOR
|
||
/* abort_optyap("NoStackExecute in function absmi"); */
|
||
if (HeapTop > GlobalBase - MinHeapGap)
|
||
#else /* YAPOR */
|
||
if (HeapTop > Addr(AuxSp) - MinHeapGap)
|
||
#endif
|
||
{
|
||
ASP = Y+E_CB;
|
||
if (ASP > (CELL *)B)
|
||
ASP = (CELL *)B;
|
||
goto noheapleft;
|
||
}
|
||
if (CFREG != MinStackGap*(stack_overflows+1))
|
||
goto creep;
|
||
else
|
||
goto NoStackExec;
|
||
|
||
/* dexecute Label */
|
||
/* joint deallocate and execute */
|
||
BOp(dexecute, l);
|
||
CACHE_Y_AS_ENV(Y);
|
||
BEGP(pt0);
|
||
CACHE_A1();
|
||
pt0 = (CELL *) (PREG->u.l.l);
|
||
#ifndef NO_CHECKING
|
||
/* check stacks */
|
||
check_stack(NoStackDExecute, H);
|
||
#endif
|
||
#ifdef DEPTH_LIMIT
|
||
if (DEPTH <= MkIntTerm(1)) {/* I assume Module==0 is primitives */
|
||
if (Module(pt0)) {
|
||
if (DEPTH == MkIntTerm(0))
|
||
FAIL();
|
||
else DEPTH = RESET_DEPTH();
|
||
}
|
||
} else if (Module(pt0))
|
||
DEPTH -= MkIntConstant(2);
|
||
#endif /* DEPTH_LIMIT */
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace)
|
||
low_level_trace(enter_pred,pred_entry(pt0),XREGS+1);
|
||
#endif /* LOW_LEVEL_TRACER */
|
||
PREG = (yamop *) PredCode(pt0);
|
||
ALWAYS_LOOKAHEAD(PredOpCode(pt0));
|
||
/* do deallocate */
|
||
CPREG = (yamop *) E_Y[E_CP];
|
||
E_Y = ENV = (CELL *) E_Y[E_E];
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
|
||
#ifdef SBA
|
||
if (E_Y > (CELL *) top_b || E_Y < H) E_Y = (CELL *) top_b;
|
||
#else
|
||
if (E_Y > (CELL *) top_b) E_Y = (CELL *) top_b;
|
||
#endif
|
||
else E_Y = (CELL *)((CELL)E_Y + ENV_Size(CPREG));
|
||
}
|
||
#else
|
||
if (E_Y > (CELL *)B) {
|
||
E_Y = (CELL *)B;
|
||
}
|
||
else {
|
||
E_Y = (CELL *) ((CELL) E_Y + ENV_Size(CPREG));
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
WRITEBACK_Y_AS_ENV();
|
||
/* setup GB */
|
||
E_Y[E_CB] = (CELL) B;
|
||
ALWAYS_GONext();
|
||
ALWAYS_END_PREFETCH();
|
||
ENDP(pt0);
|
||
ENDCACHE_Y_AS_ENV();
|
||
ENDBOp();
|
||
|
||
BOp(fcall, sla);
|
||
CACHE_Y_AS_ENV(Y);
|
||
E_Y[E_CP] = (CELL) CPREG;
|
||
E_Y[E_E] = (CELL) ENV;
|
||
#ifdef DEPTH_LIMIT
|
||
E_Y[E_DEPTH] = DEPTH;
|
||
#endif /* DEPTH_LIMIT */
|
||
ENDCACHE_Y_AS_ENV();
|
||
ENDBOp();
|
||
|
||
BOp(call, sla);
|
||
CACHE_Y_AS_ENV(Y);
|
||
BEGP(pt0);
|
||
pt0 = (CELL *) (PREG->u.sla.l);
|
||
CACHE_A1();
|
||
#ifndef NO_CHECKING
|
||
check_stack(NoStackCall, H);
|
||
#endif
|
||
ENV = E_Y;
|
||
/* Try to preserve the environment */
|
||
E_Y = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
CPREG =
|
||
(yamop *) NEXTOP(PREG, sla);
|
||
ALWAYS_LOOKAHEAD(PredOpCode(pt0));
|
||
PREG = (yamop *) PredCode(pt0);
|
||
#ifdef DEPTH_LIMIT
|
||
if (DEPTH <= MkIntTerm(1)) {/* I assume Module==0 is primitives */
|
||
if (Module(pt0)) {
|
||
if (DEPTH == MkIntTerm(0))
|
||
FAIL();
|
||
else DEPTH = RESET_DEPTH();
|
||
}
|
||
} else if (Module(pt0))
|
||
DEPTH -= MkIntConstant(2);
|
||
#endif /* DEPTH_LIMIT */
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace)
|
||
low_level_trace(enter_pred,pred_entry(pt0),XREGS+1);
|
||
#endif /* LOW_LEVEL_TRACER */
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (E_Y > (CELL *) top_b || E_Y < H) E_Y = (CELL *) top_b;
|
||
#else
|
||
if (E_Y > (CELL *) top_b) E_Y = (CELL *) top_b;
|
||
#endif
|
||
}
|
||
#else
|
||
if (E_Y > (CELL *) B) {
|
||
E_Y = (CELL *) B;
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
WRITEBACK_Y_AS_ENV();
|
||
/* setup GB */
|
||
E_Y[E_CB] = (CELL) B;
|
||
#ifdef YAPOR
|
||
SCH_check_requests();
|
||
#endif /* YAPOR */
|
||
ALWAYS_GONext();
|
||
ALWAYS_END_PREFETCH();
|
||
ENDP(pt0);
|
||
ENDCACHE_Y_AS_ENV();
|
||
ENDBOp();
|
||
|
||
NoStackCall:
|
||
/* on X86 machines S will not actually be holding the pointer to pred */
|
||
SREG = (CELL *) (PREG->u.sla.l);
|
||
#ifdef YAPOR
|
||
/* abort_optyap("NoStackCall in function absmi"); */
|
||
if (HeapTop > GlobalBase - MinHeapGap)
|
||
#else
|
||
if (HeapTop > Addr(AuxSp) - MinHeapGap)
|
||
#endif /* YAPOR */
|
||
{
|
||
ASP = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
if (ASP > (CELL *)B)
|
||
ASP = (CELL *)B;
|
||
goto noheapleft;
|
||
}
|
||
#ifdef COROUTINING
|
||
if (CFREG == Unsigned(LCL0)) {
|
||
if (ReadTimedVar(WokenGoals) != TermNil)
|
||
goto creepc;
|
||
else {
|
||
CFREG = MinStackGap*(stack_overflows+1);
|
||
JMPNext();
|
||
}
|
||
}
|
||
#endif
|
||
if (CFREG != MinStackGap*(stack_overflows+1))
|
||
goto creepc;
|
||
ASP = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
if (ASP > (CELL *)B)
|
||
ASP = (CELL *)B;
|
||
saveregs();
|
||
gc(PredArity(SREG), Y, NEXTOP(PREG, sla));
|
||
setregs();
|
||
|
||
JMPNext();
|
||
|
||
|
||
#ifdef COROUTINING
|
||
|
||
/* This is easier: I know there is an environment so I cannot do allocate */
|
||
NoStackComitY:
|
||
/* find something to fool S */
|
||
if (CFREG == Unsigned(LCL0) && ReadTimedVar(WokenGoals) != TermNil) {
|
||
SREG = (CELL *)&(RepPredProp(GetPredProp(AtomRestoreRegs,2))->StateOfPred);
|
||
PREG = NEXTOP(PREG,x);
|
||
XREGS[0] = XREG(PREG->u.y.y);
|
||
goto creep_either;
|
||
}
|
||
/* don't do debugging and friends here */
|
||
goto do_comit_b_y;
|
||
|
||
/* Problem: have I got an environment or not? */
|
||
NoStackComitX:
|
||
/* find something to fool S */
|
||
if (CFREG == Unsigned(LCL0) && ReadTimedVar(WokenGoals) != TermNil) {
|
||
SREG = (CELL *)&(RepPredProp(GetPredProp(AtomRestoreRegs,2))->StateOfPred);
|
||
PREG = NEXTOP(PREG,x);
|
||
#if USE_THREADED_CODE
|
||
if (PREG->opc == (OPCODE)OpAddress[_fcall])
|
||
#else
|
||
if (PREG->opc == _fcall)
|
||
#endif
|
||
{
|
||
/* fill it up */
|
||
CACHE_Y_AS_ENV(Y);
|
||
E_Y[E_CP] = (CELL) CPREG;
|
||
E_Y[E_E] = (CELL) ENV;
|
||
#ifdef DEPTH_LIMIT
|
||
E_Y[E_DEPTH] = DEPTH;
|
||
#endif /* DEPTH_LIMIT */
|
||
ENDCACHE_Y_AS_ENV();
|
||
}
|
||
XREGS[0] = XREG(PREG->u.x.x);
|
||
goto creep_either;
|
||
}
|
||
/* don't do debugging and friends here */
|
||
goto do_comit_b_x;
|
||
|
||
/* don't forget I cannot creep at ; */
|
||
NoStackEither:
|
||
/* find something to fool S */
|
||
SREG = (CELL *)&(RepPredProp(GetPredProp(AtomRestoreRegs,1))->StateOfPred);
|
||
#ifdef YAPOR
|
||
/* abort_optyap("NoStackCall in function absmi"); */
|
||
if (HeapTop > GlobalBase - MinHeapGap)
|
||
#else
|
||
if (HeapTop > Addr(AuxSp) - MinHeapGap)
|
||
#endif /* YAPOR */
|
||
{
|
||
ASP = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
if (ASP > (CELL *)B)
|
||
ASP = (CELL *)B;
|
||
goto noheapleft;
|
||
}
|
||
if (CFREG == Unsigned(LCL0)) {
|
||
if (ReadTimedVar(WokenGoals) != TermNil)
|
||
goto creep_either;
|
||
else {
|
||
CFREG = MinStackGap*(stack_overflows+1);
|
||
JMPNext();
|
||
}
|
||
}
|
||
if (CFREG != MinStackGap*(stack_overflows+1)) {
|
||
goto either_notest;
|
||
}
|
||
ASP = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
if (ASP > (CELL *)B)
|
||
ASP = (CELL *)B;
|
||
saveregs();
|
||
gc(0, Y, NEXTOP(PREG, sla));
|
||
setregs();
|
||
JMPNext();
|
||
|
||
creep_either: /* do creep in either */
|
||
ENV = Y;
|
||
CPREG = NEXTOP(PREG, sla);
|
||
Y = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (Y > (CELL *) top_b || Y < H) Y = (CELL *) top_b;
|
||
#else
|
||
if (Y > (CELL *) top_b) Y = (CELL *) top_b;
|
||
#endif
|
||
else Y = Y + ENV_Size(CPREG);
|
||
}
|
||
#else
|
||
if (Y > (CELL *) B)
|
||
Y = (CELL *) B;
|
||
#endif /* FROZEN_REGS */
|
||
/* setup GB */
|
||
ARG1 = push_live_regs(CPREG);
|
||
/* ARG0 has an extra argument for suspended cuts */
|
||
ARG2 = XREGS[0];
|
||
Y[E_CB] = (CELL) B;
|
||
goto creep;
|
||
#endif
|
||
|
||
creepc: /* do creep in call */
|
||
ENV = Y;
|
||
CPREG = NEXTOP(PREG, sla);
|
||
Y = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (Y > (CELL *) top_b || Y < H) Y = (CELL *) top_b;
|
||
#else
|
||
if (Y > (CELL *) top_b) Y = (CELL *) top_b;
|
||
#endif
|
||
else Y = Y + ENV_Size(CPREG);
|
||
}
|
||
#else
|
||
if (Y > (CELL *) B)
|
||
Y = (CELL *) B;
|
||
else
|
||
/* I am not sure about this */
|
||
Y = Y + ENV_Size(CPREG);
|
||
#endif /* FROZEN_REGS */
|
||
/* setup GB */
|
||
Y[E_CB] = (CELL) B;
|
||
goto creep;
|
||
|
||
NoStackDExecute:
|
||
/* set SREG for next instructions */
|
||
SREG = (CELL *) (PREG->u.l.l);
|
||
#ifdef YAPOR
|
||
/* abort_optyap("noStackDExecute in function absmi"); */
|
||
if (HeapTop > GlobalBase - MinHeapGap)
|
||
#else
|
||
if (HeapTop > Addr(AuxSp) - MinHeapGap)
|
||
#endif /* YAPOR */
|
||
{
|
||
ASP = Y+E_CB;
|
||
if (ASP > (CELL *)B)
|
||
ASP = (CELL *)B;
|
||
goto noheapleft;
|
||
}
|
||
#ifdef COROUTINING
|
||
if (CFREG == Unsigned(LCL0)) {
|
||
if (ReadTimedVar(WokenGoals) != TermNil)
|
||
goto creepde;
|
||
else {
|
||
CFREG = MinStackGap*(stack_overflows+1);
|
||
JMPNext();
|
||
}
|
||
}
|
||
#endif
|
||
if (CFREG != MinStackGap*(stack_overflows+1))
|
||
goto creepde;
|
||
|
||
NoStackExec:
|
||
|
||
/* try performing garbage collection */
|
||
|
||
ASP = Y+E_CB;
|
||
saveregs();
|
||
gc(PredArity(SREG), ENV, CPREG);
|
||
setregs();
|
||
/* hopefully, gc will succeeded, and we will retry
|
||
* the instruction */
|
||
JMPNext();
|
||
|
||
creepde:
|
||
/* first, deallocate */
|
||
CPREG = (yamop *) Y[E_CP];
|
||
ENV = Y = (CELL *) Y[E_E];
|
||
#ifdef DEPTH_LIMIT
|
||
Y[E_DEPTH] = DEPTH;
|
||
#endif /* DEPTH_LIMIT */
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (Y > (CELL *) top_b || Y < H) Y = (CELL *) top_b;
|
||
#else
|
||
if (Y > (CELL *) top_b) Y = (CELL *) top_b;
|
||
#endif
|
||
else Y = (CELL *) ((CELL)Y + ENV_Size(CPREG));
|
||
}
|
||
#else
|
||
if (Y > (CELL *) B) {
|
||
Y = (CELL *) B;
|
||
}
|
||
else {
|
||
Y = (CELL *) ((CELL) Y + ENV_Size(CPREG));
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
/* setup GB */
|
||
Y[E_CB] = (CELL) B;
|
||
|
||
/* and now CREEP */
|
||
|
||
creep:
|
||
#ifdef COROUTINING
|
||
/* If I was not in creep mode, I have to unfold all woken
|
||
* goals first.
|
||
* Notice there might be a problem with
|
||
* backtracking. I do not trail operations on WokenGoals,
|
||
* hence Woken Goals is not restored on backtracking. This
|
||
* is not a problem if suspended goals are quickly pushed onto
|
||
* the stack for execution. In other words, WakeUpCode
|
||
* *cannot* fail before having woken up all suspended goals.
|
||
*/
|
||
/* make sure we are here because of an awoken goal */
|
||
if (CFREG == Unsigned(LCL0)) {
|
||
Term WGs = ReadTimedVar(WokenGoals);
|
||
Term my_goal = AbsAppl(H);
|
||
|
||
if (WGs != TermNil) {
|
||
#if SHADOW_S
|
||
/* save S for ModuleName() */
|
||
S = SREG;
|
||
#endif
|
||
BEGD(d0);
|
||
d0 = PredArity(SREG);
|
||
if (d0 == 0) {
|
||
my_goal = MkAtomTerm((Atom) PredFunctor(SREG));
|
||
}
|
||
else {
|
||
my_goal = AbsAppl(H);
|
||
*H = (CELL) PredFunctor(SREG);
|
||
H++;
|
||
BEGP(pt1);
|
||
pt1 = XREGS + 1;
|
||
for (; d0 > 0; --d0) {
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = pt1;
|
||
d1 = *pt0;
|
||
deref_head(d1, wake_up_unk);
|
||
wake_up_nonvar:
|
||
pt1++;
|
||
/* just copy it to the heap */
|
||
*H++ = d1;
|
||
continue;
|
||
|
||
derefa_body(d1, pt0, wake_up_unk, wake_up_nonvar);
|
||
/* bind it, in case it is a local variable */
|
||
if (pt0 <= H) {
|
||
/* variable is safe */
|
||
*H++ = (CELL)pt0;
|
||
pt1++;
|
||
} else {
|
||
d1 = Unsigned(H);
|
||
RESET_VARIABLE(H);
|
||
pt1++;
|
||
H += 1;
|
||
Bind_Local(pt0, d1);
|
||
}
|
||
/* notice I am incrementing H */
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
}
|
||
ENDP(pt1);
|
||
}
|
||
ENDD(d0);
|
||
H[0] = Module_Name((CODEADDR)pred_entry(SREG));
|
||
H[1] = my_goal;
|
||
ARG1 = AbsPair(H);
|
||
H += 2;
|
||
ARG2 = ListOfWokenGoals();
|
||
SREG = (CELL *) (Unsigned(WakeUpCode) - sizeof(SMALLUNSGN));
|
||
|
||
/* no more goals to wake up */
|
||
UpdateTimedVar(WokenGoals, TermNil);
|
||
CFREG = MinStackGap*(stack_overflows+1);
|
||
}
|
||
else {
|
||
CFREG = MinStackGap*(stack_overflows+1);
|
||
/* We haven't changed P yet so this means redo the
|
||
* same instruction */
|
||
JMPNext();
|
||
}
|
||
}
|
||
else {
|
||
#endif
|
||
#if SHADOW_S
|
||
S = SREG;
|
||
#endif
|
||
BEGD(d0);
|
||
d0 = PredArity(SREG);
|
||
if (d0 == 0) {
|
||
H[1] = MkAtomTerm((Atom) PredFunctor(SREG));
|
||
}
|
||
else {
|
||
H[d0 + 2] = AbsAppl(H);
|
||
*H = (CELL) PredFunctor(SREG);
|
||
H++;
|
||
BEGP(pt1);
|
||
pt1 = XREGS + 1;
|
||
for (; d0 > 0; --d0) {
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = pt1;
|
||
d1 = *pt0;
|
||
deref_head(d1, creep_unk);
|
||
creep_nonvar:
|
||
/* just copy it to the heap */
|
||
pt1++;
|
||
*H++ = d1;
|
||
continue;
|
||
|
||
derefa_body(d1, pt0, creep_unk, creep_nonvar);
|
||
if (pt0 <= H) {
|
||
/* variable is safe */
|
||
*H++ = (CELL)pt0;
|
||
pt1++;
|
||
} else {
|
||
/* bind it, in case it is a local variable */
|
||
d1 = Unsigned(H);
|
||
RESET_VARIABLE(H);
|
||
pt1++;
|
||
H += 1;
|
||
Bind_Local(pt0, d1);
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
}
|
||
ENDP(pt1);
|
||
}
|
||
ENDD(d0);
|
||
H[0] = Module_Name((CODEADDR)pred_entry(SREG));
|
||
ARG1 = (Term) AbsPair(H);
|
||
|
||
H += 2;
|
||
CFREG = MinStackGap*(stack_overflows+1);
|
||
SREG = (CELL *) (Unsigned(CreepCode) - sizeof(SMALLUNSGN));
|
||
|
||
#ifdef COROUTINING
|
||
}
|
||
#endif
|
||
PREG = (yamop *) PredCode(SREG);
|
||
CACHE_A1();
|
||
JMPNext();
|
||
|
||
BOp(procceed, e);
|
||
PREG = (yamop *) CPREG;
|
||
Y = ENV;
|
||
#ifdef DEPTH_LIMIT
|
||
DEPTH = Y[E_DEPTH];
|
||
#endif
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
Op(allocate, e);
|
||
CACHE_Y_AS_ENV(Y);
|
||
PREG = NEXTOP(PREG, e);
|
||
E_Y[E_CP] = (CELL) CPREG;
|
||
E_Y[E_E] = (CELL) ENV;
|
||
#ifdef DEPTH_LIMIT
|
||
E_Y[E_DEPTH] = DEPTH;
|
||
#endif /* DEPTH_LIMIT */
|
||
ENV = E_Y;
|
||
ENDCACHE_Y_AS_ENV();
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(deallocate, e);
|
||
PREG = NEXTOP(PREG, e);
|
||
/* other instructions do depend on S being set by deallocate
|
||
:-( */
|
||
SREG = Y;
|
||
CPREG = (yamop *) Y[E_CP];
|
||
ENV = Y = (CELL *) Y[E_E];
|
||
#ifdef DEPTH_LIMIT
|
||
DEPTH = Y[E_DEPTH];
|
||
#endif /* DEPTH_LIMIT */
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (Y > (CELL *) top_b || Y < H) Y = (CELL *) top_b;
|
||
#else
|
||
if (Y > (CELL *) top_b) Y = (CELL *) top_b;
|
||
#endif
|
||
else Y = (CELL *)((CELL) Y + ENV_Size(CPREG));
|
||
}
|
||
#else
|
||
if (Y > (CELL *) B)
|
||
Y = (CELL *) B;
|
||
else
|
||
Y = (CELL *) ((CELL) Y + ENV_Size(CPREG));
|
||
#endif /* FROZEN_REGS */
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/**********************************************
|
||
* OPTYap instructions *
|
||
**********************************************/
|
||
|
||
#ifdef YAPOR
|
||
#include "or.insts.i"
|
||
#endif /* YAPOR */
|
||
#ifdef TABLING
|
||
#include "tab.insts.i"
|
||
#include "tab.tries.insts.i"
|
||
#endif /* TABLING */
|
||
|
||
|
||
/************************************************************************\
|
||
* Get Instructions *
|
||
\************************************************************************/
|
||
|
||
Op(get_x_var, xx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xx.xr);
|
||
XREG(PREG->u.xx.xl) = d0;
|
||
PREG = NEXTOP(PREG, xx);
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(get_y_var, yx);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yx.y;
|
||
d0 = XREG(PREG->u.yx.x);
|
||
PREG = NEXTOP(PREG, yx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
GONext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
/* The code for get_x_val is hard to follow because I use a
|
||
* lot of jumps. The convention is that in the label
|
||
* gval_X_Y X refers to the state of the first argument, and
|
||
* Y to the state of the second argument */
|
||
Op(get_x_val, xx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xx.xl);
|
||
deref_head(d0, gvalx_unk);
|
||
|
||
/* d0 will keep the first argument */
|
||
gvalx_nonvar:
|
||
/* first argument is bound */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xx.xr);
|
||
deref_head(d1, gvalx_nonvar_unk);
|
||
|
||
gvalx_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, xx);
|
||
UnifyBound(d0, d1);
|
||
|
||
BEGP(pt0);
|
||
/* deref second argument */
|
||
deref_body(d1, pt0, gvalx_nonvar_unk, gvalx_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
BIND(pt0, d0, bind_gvalx_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_gvalx_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
|
||
BEGP(pt0);
|
||
/* first argument may be unbound */
|
||
deref_body(d0, pt0, gvalx_unk, gvalx_nonvar);
|
||
/* first argument is unbound and in pt0 and in d0 */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xx.xr);
|
||
deref_head(d1, gvalx_var_unk);
|
||
|
||
gvalx_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
BIND(pt0, d1, bind_gvalx_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_gvalx_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, gvalx_var_unk, gvalx_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
UnifyCells(pt0, pt1, uc1, uc2);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc1:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc2:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
/* The code for get_y_val mostly uses the code for get_x_val
|
||
*/
|
||
|
||
Op(get_y_val, yx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yx.y;
|
||
d0 = *pt0;
|
||
|
||
/* From now on, it's just a copy of the code for get_x_val */
|
||
|
||
deref_head(d0, gvaly_unk);
|
||
gvaly_nonvar:
|
||
|
||
/* first argument is bound */
|
||
d1 = XREG(PREG->u.yx.x);
|
||
deref_head(d1, gvaly_nonvar_unk);
|
||
gvaly_nonvar_nonvar:
|
||
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, yx);
|
||
UnifyBound(d0, d1);
|
||
|
||
BEGP(pt1);
|
||
/* deref second argument */
|
||
deref_body(d1, pt1, gvaly_nonvar_unk, gvaly_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, yx);
|
||
BIND(pt1, d0, bind_gvaly_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_gvaly_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, gvaly_unk, gvaly_nonvar);
|
||
/* first argument is unbound */
|
||
d1 = XREG(PREG->u.yx.x);
|
||
deref_head(d1, gvaly_var_unk);
|
||
|
||
gvaly_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, yx);
|
||
BIND(pt0, d1, bind_gvaly_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_gvaly_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, gvaly_var_unk, gvaly_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, yx);
|
||
UnifyCells(pt0, pt1, uc3, uc4);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc3:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc4:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(get_atom, xc);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
/* fetch arguments */
|
||
d0 = XREG(PREG->u.xc.x);
|
||
d1 = PREG->u.xc.c;
|
||
|
||
BEGP(pt0);
|
||
deref_head(d0, gatom_unk);
|
||
/* argument is nonvar */
|
||
gatom_nonvar:
|
||
if (d0 == d1) {
|
||
PREG = NEXTOP(PREG, xc);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
deref_body(d0, pt0, gatom_unk, gatom_nonvar);
|
||
/* argument is a variable */
|
||
PREG = NEXTOP(PREG, xc);
|
||
BIND(pt0, d1, bind_gatom);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_gatom:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
/* The next instructions can lead to either the READ stream
|
||
* or the write stream */
|
||
|
||
OpRW(get_list, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, glist_unk);
|
||
|
||
glist_nonvar:
|
||
/* did we find a list? */
|
||
if (!IsPairTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
START_PREFETCH(x);
|
||
PREG = NEXTOP(PREG, x);
|
||
/* enter read mode */
|
||
SREG = RepPair(d0);
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, glist_unk, glist_nonvar);
|
||
/* glist var */
|
||
/* enter write mode */
|
||
CACHE_S();
|
||
S_SREG = H;
|
||
START_PREFETCH_W(x);
|
||
PREG = NEXTOP(PREG, x);
|
||
BEGD(d0);
|
||
d0 = AbsPair(S_SREG);
|
||
BIND(pt0, d0, bind_glist);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist:
|
||
#endif
|
||
/* don't put an ENDD just after a label */
|
||
H = S_SREG + 2;
|
||
ENDD(d0);
|
||
WRITEBACK_S(S_SREG);
|
||
GONextW();
|
||
|
||
|
||
END_PREFETCH_W();
|
||
ENDCACHE_S();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
OpRW(get_struct, xf);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xf.x);
|
||
deref_head(d0, gstruct_unk);
|
||
|
||
gstruct_nonvar:
|
||
if (!IsApplTerm(d0))
|
||
FAIL();
|
||
/* we have met a compound term */
|
||
START_PREFETCH(xf);
|
||
CACHE_S();
|
||
S_SREG = RepAppl(d0);
|
||
/* check functor */
|
||
d0 = (CELL) (PREG->u.xf.f);
|
||
if (*S_SREG != d0) {
|
||
FAIL();
|
||
}
|
||
WRITEBACK_S(S_SREG+1);
|
||
ENDCACHE_S();
|
||
PREG = NEXTOP(PREG, xf);
|
||
/* enter read mode */
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, gstruct_unk, gstruct_nonvar);
|
||
/* Enter Write mode */
|
||
/* set d1 to be the new structure we are going to create */
|
||
START_PREFETCH_W(xf);
|
||
BEGD(d1);
|
||
d1 = AbsAppl(H);
|
||
BIND(pt0, d1, bind_gstruct);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_gstruct:
|
||
#endif
|
||
/* now, set pt0 to point to the heap where we are going to
|
||
* build our term */
|
||
pt0 = H;
|
||
ENDD(d1);
|
||
/* first, put the functor */
|
||
d0 = (CELL) (PREG->u.xf.f);
|
||
*pt0++ = d0;
|
||
H = pt0 + PREG->u.xf.a;
|
||
PREG = NEXTOP(PREG, xf);
|
||
/* set SREG */
|
||
SREG = pt0;
|
||
/* update H */
|
||
GONextW();
|
||
END_PREFETCH_W();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
Op(get_float, xc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xc.x);
|
||
deref_head(d0, gfloat_unk);
|
||
|
||
gfloat_nonvar:
|
||
if (!IsApplTerm(d0))
|
||
FAIL();
|
||
/* we have met a preexisting float */
|
||
START_PREFETCH(xc);
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
/* check functor */
|
||
if (*pt0 != (CELL)FunctorDouble) {
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
pt1 = RepAppl(PREG->u.xc.c);
|
||
if (
|
||
pt1[1] != pt0[1]
|
||
#if SIZEOF_DOUBLE == 2*SIZEOF_INT_P
|
||
|| pt1[2] != pt0[2]
|
||
#endif
|
||
) FAIL();
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
PREG = NEXTOP(PREG, xc);
|
||
/* enter read mode */
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, gfloat_unk, gfloat_nonvar);
|
||
/* Enter Write mode */
|
||
/* set d1 to be the new structure we are going to create */
|
||
START_PREFETCH(xc);
|
||
BEGD(d1);
|
||
d1 = PREG->u.xc.c;
|
||
PREG = NEXTOP(PREG, xc);
|
||
BIND(pt0, d1, bind_gfloat);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_gfloat:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
END_PREFETCH();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(get_longint, xc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xc.x);
|
||
deref_head(d0, glongint_unk);
|
||
|
||
glongint_nonvar:
|
||
if (!IsApplTerm(d0))
|
||
FAIL();
|
||
/* we have met a preexisting longint */
|
||
START_PREFETCH(xc);
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
/* check functor */
|
||
if (*pt0 != (CELL)FunctorLongInt) {
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
pt1 = RepAppl(PREG->u.xc.c);
|
||
if (pt1[1] != pt0[1]) FAIL();
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
PREG = NEXTOP(PREG, xc);
|
||
/* enter read mode */
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, glongint_unk, glongint_nonvar);
|
||
/* Enter Write mode */
|
||
/* set d1 to be the new structure we are going to create */
|
||
START_PREFETCH(xc);
|
||
BEGD(d1);
|
||
d1 = PREG->u.xc.c;
|
||
PREG = NEXTOP(PREG, xc);
|
||
BIND(pt0, d1, bind_glongint);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glongint:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
END_PREFETCH();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(get_bigint, xc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xc.x);
|
||
deref_head(d0, gbigint_unk);
|
||
|
||
gbigint_nonvar:
|
||
if (!IsApplTerm(d0))
|
||
FAIL();
|
||
/* we have met a preexisting bigint */
|
||
START_PREFETCH(xc);
|
||
#ifdef USE_GMP
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
/* check functor */
|
||
if (*pt0 != (CELL)FunctorBigInt)
|
||
#else
|
||
if (TRUE)
|
||
#endif
|
||
{
|
||
FAIL();
|
||
}
|
||
#ifdef USE_GMP
|
||
if (mpz_cmp(BigIntOfTerm(d0),BigIntOfTerm(PREG->u.xc.c)))
|
||
FAIL();
|
||
#endif
|
||
PREG = NEXTOP(PREG, xc);
|
||
#ifdef USE_GMP
|
||
ENDP(pt0);
|
||
#endif
|
||
/* enter read mode */
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, gbigint_unk, gbigint_nonvar);
|
||
/* Enter Write mode */
|
||
/* set d1 to be the new structure we are going to create */
|
||
START_PREFETCH(xc);
|
||
BEGD(d1);
|
||
d1 = PREG->u.xc.c;
|
||
PREG = NEXTOP(PREG, xc);
|
||
BIND(pt0, d1, bind_gbigint);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_gbigint:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
END_PREFETCH();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
/************************************************************************\
|
||
* Optimised Get List Instructions *
|
||
\************************************************************************/
|
||
OpRW(glist_valx, xx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xx.xl);
|
||
deref_head(d0, glist_valx_write);
|
||
glist_valx_read:
|
||
BEGP(pt0);
|
||
/* did we find a list? */
|
||
if (!IsPairTerm(d0))
|
||
FAIL();
|
||
/* enter read mode */
|
||
START_PREFETCH(xx);
|
||
pt0 = RepPair(d0);
|
||
SREG = pt0 + 1;
|
||
/* start unification with first argument */
|
||
d0 = *pt0;
|
||
deref_head(d0, glist_valx_unk);
|
||
|
||
/* first argument is in d0 */
|
||
glist_valx_nonvar:
|
||
/* first argument is bound */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xx.xr);
|
||
deref_head(d1, glist_valx_nonvar_unk);
|
||
|
||
glist_valx_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, xx);
|
||
UnifyBound(d0, d1);
|
||
|
||
BEGP(pt1);
|
||
/* deref second argument */
|
||
deref_body(d1, pt1, glist_valx_nonvar_unk, glist_valx_nonvar_nonvar);
|
||
/* head bound, argument unbound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
BIND(pt1, d0, bind_glist_valx_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_glist_valx_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
|
||
ENDD(d1);
|
||
|
||
/* head may be unbound */
|
||
derefa_body(d0, pt0, glist_valx_unk, glist_valx_nonvar);
|
||
/* head is unbound, pt0 has the value */
|
||
d0 = XREG(PREG->u.xx.xr);
|
||
deref_head(d0, glist_valx_var_unk);
|
||
|
||
glist_valx_var_nonvar:
|
||
/* head is unbound, second arg bound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
BIND_GLOBAL(pt0, d0, bind_glist_valx_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_valx_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, glist_valx_var_unk, glist_valx_var_nonvar);
|
||
/* head and second argument are unbound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
UnifyGlobalRegCells(pt0, pt1, uc5, uc6);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc5:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc6:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
END_PREFETCH();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, glist_valx_write, glist_valx_read);
|
||
CACHE_S();
|
||
/* enter write mode */
|
||
S_SREG = H;
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xx.xr);
|
||
d0 = AbsPair(S_SREG);
|
||
S_SREG[0] = d1;
|
||
ENDD(d1);
|
||
ALWAYS_START_PREFETCH_W(xx);
|
||
#ifdef COROUTINING
|
||
PREG = NEXTOP(PREG, xx);
|
||
H = S_SREG + 2;
|
||
WRITEBACK_S(S_SREG+1);
|
||
#endif
|
||
DBIND(pt0, d0, dbind);
|
||
#ifndef COROUTINING
|
||
/* include XREG on it */
|
||
PREG = NEXTOP(PREG, xx);
|
||
H = S_SREG + 2;
|
||
WRITEBACK_S(S_SREG+1);
|
||
#endif
|
||
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
dbind:
|
||
#endif
|
||
ALWAYS_GONextW();
|
||
ALWAYS_END_PREFETCH_W();
|
||
ENDCACHE_S();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
OpRW(glist_valy, xy);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xy.x);
|
||
deref_head(d0, glist_valy_write);
|
||
glist_valy_read:
|
||
BEGP(pt0);
|
||
/* did we find a list? */
|
||
if (!IsPairTerm(d0))
|
||
FAIL();
|
||
START_PREFETCH(xy);
|
||
/* enter read mode */
|
||
pt0 = RepPair(d0);
|
||
SREG = pt0 + 1;
|
||
/* start unification with first argument */
|
||
d0 = *pt0;
|
||
deref_head(d0, glist_valy_unk);
|
||
|
||
glist_valy_nonvar:
|
||
/* first argument is bound */
|
||
BEGD(d1);
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.xy.y;
|
||
d1 = *pt1;
|
||
PREG = NEXTOP(PREG, xy);
|
||
deref_head(d1, glist_valy_nonvar_unk);
|
||
|
||
glist_valy_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
SREG = pt0 + 1;
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
derefa_body(d1, pt1, glist_valy_nonvar_unk, glist_valy_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
BIND(pt1, d0, bind_glist_valy_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_glist_valy_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
|
||
|
||
ENDP(pt1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, glist_valy_unk, glist_valy_nonvar);
|
||
/* first argument is unbound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.xy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, glist_valy_var_unk);
|
||
glist_valy_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, xy);
|
||
BIND_GLOBAL(pt0, d1, bind_glist_valy_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_valy_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
derefa_body(d1, pt1, glist_valy_var_unk, glist_valy_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, xy);
|
||
UnifyGlobalRegCells(pt0, pt1, uc7, uc8);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc7:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc8:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDD(d1);
|
||
|
||
END_PREFETCH();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, glist_valy_write, glist_valy_read);
|
||
/* enter write mode */
|
||
START_PREFETCH_W(xy);
|
||
BEGP(pt1);
|
||
pt1 = H;
|
||
d0 = AbsPair(pt1);
|
||
BIND(pt0, d0, bind_glist_valy_write);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_valy_write:
|
||
#endif
|
||
BEGD(d0);
|
||
/* include XREG on it */
|
||
d0 = Y[PREG->u.xy.y];
|
||
pt1[0] = d0;
|
||
ENDD(d0);
|
||
H = pt1 + 2;
|
||
SREG = pt1 + 1;
|
||
ENDP(pt1);
|
||
PREG = NEXTOP(PREG, xy);
|
||
GONextW();
|
||
END_PREFETCH_W();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
Op(gl_void_varx, xx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xx.xl);
|
||
deref_head(d0, glist_void_varx_write);
|
||
glist_void_varx_read:
|
||
/* did we find a list? */
|
||
if (!IsPairTerm(d0))
|
||
FAIL();
|
||
ALWAYS_START_PREFETCH(xx);
|
||
/* enter read mode */
|
||
BEGP(pt0);
|
||
pt0 = RepPair(d0);
|
||
d0 = pt0[1];
|
||
XREG(PREG->u.xx.xr) = d0;
|
||
PREG = NEXTOP(PREG, xx);
|
||
ALWAYS_GONext();
|
||
ENDP(pt0);
|
||
ALWAYS_END_PREFETCH();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, glist_void_varx_write, glist_void_varx_read);
|
||
/* enter write mode */
|
||
BEGP(pt1);
|
||
pt1 = H;
|
||
/* include XREG on it */
|
||
XREG(PREG->u.xx.xr) =
|
||
Unsigned(pt1 + 1);
|
||
RESET_VARIABLE(pt1);
|
||
RESET_VARIABLE(pt1+1);
|
||
H = pt1 + 2;
|
||
BEGD(d0);
|
||
d0 = AbsPair(pt1);
|
||
BIND(pt0, d0, bind_glist_varx_write);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_varx_write:
|
||
#endif
|
||
PREG = NEXTOP(PREG, xx);
|
||
ENDD(d0);
|
||
ENDP(pt1);
|
||
GONext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(gl_void_vary, xy);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xy.x);
|
||
deref_head(d0, glist_void_vary_write);
|
||
glist_void_vary_read:
|
||
/* did we find a list? */
|
||
if (!IsPairTerm(d0))
|
||
FAIL();
|
||
/* enter read mode */
|
||
BEGP(pt0);
|
||
pt0 = RepPair(d0);
|
||
d0 = pt0[1];
|
||
ENDP(pt0);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.xy.y,d0);
|
||
#else
|
||
Y[PREG->u.xy.y] = d0;
|
||
#endif
|
||
PREG = NEXTOP(PREG, xy);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, glist_void_vary_write, glist_void_vary_read);
|
||
/* enter write mode */
|
||
BEGP(pt1);
|
||
pt1 = H;
|
||
/* include XREG on it */
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.xy.y,Unsigned(pt1 + 1));
|
||
#else
|
||
Y[PREG->u.xy.y] = Unsigned(pt1 + 1);
|
||
#endif
|
||
PREG = NEXTOP(PREG, xy);
|
||
RESET_VARIABLE(pt1);
|
||
RESET_VARIABLE(pt1+1);
|
||
d0 = AbsPair(pt1);
|
||
H = pt1 + 2;
|
||
BIND(pt0, d0, bind_glist_void_vary_write);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_void_vary_write:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(gl_void_valx, xx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xx.xl);
|
||
deref_head(d0, glist_void_valx_write);
|
||
glist_void_valx_read:
|
||
BEGP(pt0);
|
||
/* did we find a list? */
|
||
if (!IsPairTerm(d0))
|
||
FAIL();
|
||
/* enter read mode */
|
||
pt0 = RepPair(d0)+1;
|
||
/* start unification with first argument */
|
||
d0 = *pt0;
|
||
deref_head(d0, glist_void_valx_unk);
|
||
|
||
glist_void_valx_nonvar:
|
||
/* first argument is bound */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xx.xr);
|
||
deref_head(d1, glist_void_valx_nonvar_unk);
|
||
|
||
glist_void_valx_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, xx);
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, glist_void_valx_nonvar_unk, glist_void_valx_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
BIND(pt1, d0, bind_glist_void_valx_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_glist_void_valx_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
ENDD(d1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, glist_void_valx_unk, glist_void_valx_nonvar);
|
||
/* first argument is unbound */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xx.xr);
|
||
deref_head(d1, glist_void_valx_var_unk);
|
||
|
||
glist_void_valx_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
BIND_GLOBAL(pt0, d1, bind_glist_void_valx_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_void_valx_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, glist_void_valx_var_unk, glist_void_valx_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, xx);
|
||
UnifyGlobalRegCells(pt0, pt1, uc9, uc10);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc9:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc10:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, glist_void_valx_write, glist_void_valx_read);
|
||
/* enter write mode */
|
||
BEGP(pt1);
|
||
pt1 = H;
|
||
d0 = AbsPair(SREG);
|
||
BIND(pt0, d0, bind_glist_void_valx_write);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_void_valx_write:
|
||
#endif
|
||
BEGD(d0);
|
||
/* include XREG on it */
|
||
d0 = XREG(PREG->u.xx.xr);
|
||
RESET_VARIABLE(pt1);
|
||
pt1[1] = d0;
|
||
H = pt1 + 2;
|
||
ENDD(d0);
|
||
ENDP(pt1);
|
||
PREG = NEXTOP(PREG, xx);
|
||
GONext();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(gl_void_valy, xy);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xy.x);
|
||
deref_head(d0, glist_void_valy_write);
|
||
glist_void_valy_read:
|
||
BEGP(pt0);
|
||
/* did we find a list? */
|
||
if (!IsPairTerm(d0))
|
||
FAIL();
|
||
/* enter read mode */
|
||
pt0 = RepPair(d0)+1;
|
||
/* start unification with first argument */
|
||
d0 = *pt0;
|
||
deref_head(d0, glist_void_valy_unk);
|
||
|
||
glist_void_valy_nonvar:
|
||
/* first argument is bound */
|
||
BEGD(d1);
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.xy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, glist_void_valy_nonvar_unk);
|
||
|
||
glist_void_valy_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, xy);
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
derefa_body(d1, pt1, glist_void_valy_nonvar_unk, glist_void_valy_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, xy);
|
||
BIND(pt1, d0, bind_glist_void_valy_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_glist_void_valy_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
|
||
ENDP(pt1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, glist_void_valy_unk, glist_void_valy_nonvar);
|
||
/* first argument is unbound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.xy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, glist_void_valy_var_unk);
|
||
|
||
glist_void_valy_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, xy);
|
||
BIND_GLOBAL(pt0, d1, bind_glist_void_valy_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_void_valy_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
deref_body(d1, pt1, glist_void_valy_var_unk, glist_void_valy_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, xy);
|
||
UnifyGlobalRegCells(pt0, pt1, uc11, uc12);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc11:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc12:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, glist_void_valy_write, glist_void_valy_read);
|
||
/* enter write mode */
|
||
CACHE_S();
|
||
S_SREG = H;
|
||
d0 = AbsPair(S_SREG);
|
||
BIND(pt0, d0, bind_glist_void_valy_write);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_glist_void_valy_write:
|
||
#endif
|
||
/* include XREG on it */
|
||
BEGD(d1);
|
||
d1 = Y[PREG->u.xy.y];
|
||
RESET_VARIABLE(S_SREG);
|
||
S_SREG[1] = d1;
|
||
ENDD(d1);
|
||
PREG = NEXTOP(PREG, xy);
|
||
H = S_SREG + 2;
|
||
ENDCACHE_S();
|
||
GONext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
|
||
|
||
/************************************************************************\
|
||
* Unify instructions *
|
||
\************************************************************************/
|
||
|
||
Op(unify_x_var, ox);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
BEGD(d0);
|
||
d0 = *S_SREG;
|
||
#if SBA
|
||
if (d0 == 0)
|
||
d0 = (CELL)S_SREG;
|
||
#endif
|
||
WRITEBACK_S(S_SREG+1);
|
||
ALWAYS_START_PREFETCH(ox);
|
||
XREG(PREG->u.ox.x) = d0;
|
||
PREG = NEXTOP(PREG, ox);
|
||
ALWAYS_GONext();
|
||
ALWAYS_END_PREFETCH();
|
||
ENDD(d0);
|
||
ENDCACHE_S();
|
||
ENDOp();
|
||
|
||
OpW(unify_x_var_write, ox);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
BEGP(pt0);
|
||
pt0 = &XREG(PREG->u.ox.x);
|
||
PREG = NEXTOP(PREG, ox);
|
||
RESET_VARIABLE(S_SREG);
|
||
*pt0 = (CELL) S_SREG;
|
||
WRITEBACK_S(S_SREG+1);
|
||
ENDP(pt0);
|
||
ENDCACHE_S();
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
BOp(unify_l_x_var, ox);
|
||
ALWAYS_START_PREFETCH(ox);
|
||
BEGP(pt0);
|
||
BEGD(d0);
|
||
d0 = SREG[0];
|
||
pt0 = &XREG(PREG->u.ox.x);
|
||
PREG = NEXTOP(PREG, ox);
|
||
#if SBA
|
||
if (d0 == 0)
|
||
d0 = (CELL)SREG;
|
||
#endif
|
||
*pt0 = d0;
|
||
ALWAYS_GONext();
|
||
ENDD(d0);
|
||
ENDP(pt0);
|
||
ALWAYS_END_PREFETCH();
|
||
ENDBOp();
|
||
|
||
BOp(unify_l_x_var_write, ox);
|
||
ALWAYS_START_PREFETCH(ox);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
BEGP(pt0);
|
||
pt0 = &XREG(PREG->u.ox.x);
|
||
PREG = NEXTOP(PREG, ox);
|
||
RESET_VARIABLE(S_SREG);
|
||
*pt0 = (CELL)S_SREG;
|
||
ENDP(pt0);
|
||
ENDCACHE_S();
|
||
ALWAYS_GONext();
|
||
ENDBOp();
|
||
ALWAYS_END_PREFETCH();
|
||
|
||
BOp(unify_x_var2, oxx);
|
||
CACHE_S();
|
||
ALWAYS_START_PREFETCH(oxx);
|
||
READ_IN_S();
|
||
BEGP(pt0);
|
||
pt0 = &XREG(PREG->u.oxx.xr);
|
||
BEGD(d0);
|
||
d0 = S_SREG[0];
|
||
BEGD(d1);
|
||
d1 = S_SREG[1];
|
||
#if SBA
|
||
if (d0 == 0)
|
||
d0 = (CELL)S_SREG;
|
||
if (d1 == 0)
|
||
d1 = (CELL)(S_SREG+1);
|
||
#endif
|
||
WRITEBACK_S(S_SREG+2);
|
||
XREG(PREG->u.oxx.xl) = d0;
|
||
PREG = NEXTOP(PREG, oxx);
|
||
*pt0 = d1;
|
||
ENDD(d0);
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
ALWAYS_GONext();
|
||
ENDBOp();
|
||
ALWAYS_END_PREFETCH();
|
||
ENDCACHE_S();
|
||
|
||
OpW(unify_x_var2_write, oxx);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
BEGP(pt0);
|
||
pt0 = &XREG(PREG->u.oxx.xr);
|
||
RESET_VARIABLE(S_SREG);
|
||
XREG(PREG->u.oxx.xl) = (CELL) S_SREG;
|
||
S_SREG++;
|
||
PREG = NEXTOP(PREG, oxx);
|
||
RESET_VARIABLE(S_SREG);
|
||
*pt0 = (CELL) S_SREG;
|
||
ENDP(pt0);
|
||
WRITEBACK_S(S_SREG+1);
|
||
ENDCACHE_S();
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
BOp(unify_l_x_var2, oxx);
|
||
ALWAYS_START_PREFETCH(oxx);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
BEGP(pt0);
|
||
pt0 = &XREG(PREG->u.oxx.xr);
|
||
BEGD(d0);
|
||
d0 = S_SREG[0];
|
||
BEGD(d1);
|
||
d1 = S_SREG[1];
|
||
#if SBA
|
||
if (d0 == 0)
|
||
XREG(PREG->u.oxx.xl) = (CELL)S_SREG;
|
||
else
|
||
#endif
|
||
XREG(PREG->u.oxx.xl) = d0;
|
||
PREG = NEXTOP(PREG, oxx);
|
||
#if SBA
|
||
if (d1 == 0)
|
||
*pt0 = (CELL)(S_SREG+1);
|
||
else
|
||
#endif
|
||
*pt0 = d1;
|
||
ENDD(d0);
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
ENDCACHE_S();
|
||
ALWAYS_GONext();
|
||
ENDBOp();
|
||
ALWAYS_END_PREFETCH();
|
||
|
||
Op(unify_l_x_var2_write, oxx);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
BEGP(pt0);
|
||
pt0 = &XREG(PREG->u.oxx.xr);
|
||
XREG(PREG->u.oxx.xl) = (CELL) S_SREG;
|
||
RESET_VARIABLE(S_SREG);
|
||
S_SREG++;
|
||
*pt0 = (CELL) S_SREG;
|
||
PREG = NEXTOP(PREG, oxx);
|
||
RESET_VARIABLE(S_SREG);
|
||
ENDP(pt0);
|
||
ENDCACHE_S();
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(unify_y_var, oy);
|
||
BEGD(d0);
|
||
d0 = *SREG++;
|
||
#if defined(SBA)
|
||
#ifdef FROZEN_REGS
|
||
if (d0 == 0) {
|
||
Bind_Local(Y+PREG->u.oy.y,(CELL)(SREG-1));
|
||
} else {
|
||
Bind_Local(Y+PREG->u.oy.y,d0);
|
||
}
|
||
#else
|
||
if (d0 == 0) {
|
||
Y[PREG->u.oy.y] = (CELL)(SREG-1);
|
||
} else
|
||
Y[PREG->u.oy.y] = d0;
|
||
#endif
|
||
#else
|
||
Y[PREG->u.oy.y] = d0;
|
||
#endif
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONext();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
OpW(unify_y_var_write, oy);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.oy.y,(CELL) S_SREG);
|
||
#else
|
||
Y[PREG->u.oy.y] = (CELL) S_SREG;
|
||
#endif
|
||
PREG = NEXTOP(PREG, oy);
|
||
RESET_VARIABLE(S_SREG);
|
||
WRITEBACK_S(S_SREG+1);
|
||
ENDCACHE_S();
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(unify_l_y_var, oy);
|
||
BEGD(d0);
|
||
d0 = SREG[0];
|
||
#ifdef SBA
|
||
#ifdef FROZEN_REGS
|
||
if (d0 == 0) {
|
||
Bind_Local(Y+PREG->u.oy.y,(CELL)SREG);
|
||
} else {
|
||
Bind_Local(Y+PREG->u.oy.y,d0);
|
||
}
|
||
#else
|
||
if (d0 == 0) {
|
||
Y[PREG->u.oy.y] = (CELL)SREG;
|
||
} else {
|
||
Y[PREG->u.oy.y] = d0;
|
||
}
|
||
#endif
|
||
#else
|
||
Y[PREG->u.oy.y] = d0;
|
||
#endif
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONext();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_y_var_write, oy);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.oy.y,(CELL) S_SREG);
|
||
#else
|
||
Y[PREG->u.oy.y] = (CELL) S_SREG;
|
||
#endif
|
||
PREG = NEXTOP(PREG, oy);
|
||
RESET_VARIABLE(S_SREG);
|
||
ENDCACHE_S();
|
||
GONext();
|
||
ENDOp();
|
||
|
||
OpW(unify_x_val_write, ox);
|
||
/* we are in write mode */
|
||
*SREG++ = XREG(PREG->u.ox.x);
|
||
PREG = NEXTOP(PREG, ox);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
/* We assume the value in X is pointing to an object in the
|
||
* global stack */
|
||
Op(unify_x_val, ox);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, uvalx_unk);
|
||
|
||
uvalx_nonvar:
|
||
/* first argument is bound */
|
||
d1 = XREG(PREG->u.ox.x);
|
||
deref_head(d1, uvalx_nonvar_unk);
|
||
|
||
uvalx_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, ox);
|
||
SREG++;
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
/* pt0 is in the structure and pt1 the register */
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, uvalx_nonvar_unk, uvalx_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
SREG++;
|
||
BIND(pt1, d0, bind_uvalx_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_uvalx_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, uvalx_unk, uvalx_nonvar);
|
||
/* first argument is unbound */
|
||
d1 = XREG(PREG->u.ox.x);
|
||
deref_head(d1, uvalx_var_unk);
|
||
|
||
uvalx_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
SREG++;
|
||
BIND_GLOBAL(pt0, d1, bind_uvalx_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_uvalx_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, uvalx_var_unk, uvalx_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
SREG++;
|
||
UnifyGlobalRegCells(pt0, pt1, uc13, uc14);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc13:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc14:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_x_val_write, ox);
|
||
/* we are in write mode */
|
||
SREG[0] = XREG(PREG->u.ox.x);
|
||
PREG = NEXTOP(PREG, ox);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* We assume the value in X is pointing to an object in the
|
||
* global stack */
|
||
Op(unify_l_x_val, ox);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, ulvalx_unk);
|
||
|
||
ulvalx_nonvar:
|
||
/* first argument is bound */
|
||
d1 = XREG(PREG->u.ox.x);
|
||
deref_head(d1, ulvalx_nonvar_unk);
|
||
|
||
ulvalx_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, ox);
|
||
UnifyBound(d0, d1);
|
||
|
||
BEGP(pt1);
|
||
/* deref second argument */
|
||
deref_body(d1, pt1, ulvalx_nonvar_unk, ulvalx_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
BIND(pt1, d0, bind_ulvalx_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_ulvalx_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, ulvalx_unk, ulvalx_nonvar);
|
||
/* first argument is unbound */
|
||
d1 = XREG(PREG->u.ox.x);
|
||
deref_head(d1, ulvalx_var_unk);
|
||
|
||
ulvalx_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
BIND_GLOBAL(pt0, d1, bind_ulvalx_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulvalx_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, ulvalx_var_unk, ulvalx_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
UnifyGlobalRegCells(pt0, pt1, uc15, uc16);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc15:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc16:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
OpW(unify_y_val_write, oy);
|
||
/* we are in write mode */
|
||
BEGD(d0);
|
||
d0 = Y[PREG->u.oy.y];
|
||
#if SBA
|
||
if (d0 == 0) /* free variable */
|
||
*SREG++ = (CELL)(Y+PREG->u.oy.y);
|
||
else
|
||
#endif
|
||
*SREG++ = d0;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
/* We assume the value in X is pointing to an object in the
|
||
* global stack */
|
||
Op(unify_y_val, oy);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, uvaly_unk);
|
||
|
||
uvaly_nonvar:
|
||
/* first argument is bound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.oy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, uvaly_nonvar_unk);
|
||
|
||
uvaly_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, oy);
|
||
SREG++;
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
derefa_body(d1, pt1, uvaly_nonvar_unk, uvaly_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
SREG++;
|
||
BIND(pt1, d0, bind_uvaly_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_uvaly_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, uvaly_unk, uvaly_nonvar);
|
||
/* first argument is unbound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.oy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, uvaly_var_unk);
|
||
|
||
uvaly_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
SREG++;
|
||
BIND_GLOBAL(pt0, d1, bind_uvaly_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_uvaly_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
derefa_body(d1, pt1, uvaly_var_unk, uvaly_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
SREG++;
|
||
UnifyGlobalRegCells(pt0, pt1, uc17, uc18);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc17:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc18:
|
||
DO_TRAIL(pt1, (CELL)pt1);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_y_val_write, oy);
|
||
/* we are in write mode */
|
||
BEGD(d0);
|
||
d0 = Y[PREG->u.oy.y];
|
||
#if SBA
|
||
if (d0 == 0) /* new variable */
|
||
SREG[0] = (CELL)(Y+PREG->u.oy.y);
|
||
else
|
||
#endif
|
||
SREG[0] = d0;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/* We assume the value in X is pointing to an object in the
|
||
* global stack */
|
||
Op(unify_l_y_val, oy);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, ulvaly_unk);
|
||
|
||
ulvaly_nonvar:
|
||
/* first argument is bound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.oy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, ulvaly_nonvar_unk);
|
||
|
||
ulvaly_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, oy);
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
derefa_body(d1, pt1, ulvaly_nonvar_unk, ulvaly_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
BIND(pt1, d0, bind_ulvaly_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_ulvaly_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, ulvaly_unk, ulvaly_nonvar);
|
||
/* first argument is unbound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.oy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, ulvaly_var_unk);
|
||
|
||
ulvaly_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
BIND_GLOBAL(pt0, d1, bind_ulvaly_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulvaly_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
/* Here we are in trouble: we have a clash between pt1 and
|
||
* SREG. We address this by storing SREG in d0 for the duration. */
|
||
derefa_body(d1, pt1, ulvaly_var_unk, ulvaly_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
UnifyGlobalRegCells(pt0, pt1, uc19, uc20);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc19:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc20:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
OpW(unify_x_loc_write, ox);
|
||
/* we are in write mode */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.ox.x);
|
||
deref_head(d0, unify_x_loc_unk);
|
||
unify_x_loc_nonvar:
|
||
*SREG++ = d0;
|
||
PREG = NEXTOP(PREG, ox);
|
||
GONextW();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, unify_x_loc_unk, unify_x_loc_nonvar);
|
||
/* move ahead in the instructions */
|
||
PREG = NEXTOP(PREG, ox);
|
||
/* d0 is a variable, check whether we need to globalise it */
|
||
if (pt0 < H) {
|
||
/* variable is global */
|
||
*SREG++ = Unsigned(pt0);
|
||
GONextW();
|
||
}
|
||
else {
|
||
/* bind our variable to the structure */
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
Bind_Local(pt0, Unsigned(S_SREG));
|
||
RESET_VARIABLE(S_SREG);
|
||
WRITEBACK_S(S_SREG+1);
|
||
ENDCACHE_S();
|
||
GONextW();
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOpW();
|
||
|
||
/* In the next instructions, we do not know anything about
|
||
* what is in X */
|
||
Op(unify_x_loc, ox);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, uvalx_loc_unk);
|
||
|
||
uvalx_loc_nonvar:
|
||
/* first argument is bound */
|
||
d1 = XREG(PREG->u.ox.x);
|
||
deref_head(d1, uvalx_loc_nonvar_unk);
|
||
|
||
uvalx_loc_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, ox);
|
||
SREG++;
|
||
UnifyBound(d0, d1);
|
||
|
||
BEGP(pt1);
|
||
/* deref second argument */
|
||
deref_body(d1, pt1, uvalx_loc_nonvar_unk, uvalx_loc_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
SREG++;
|
||
BIND(pt1, d0, bind_uvalx_loc_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_uvalx_loc_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, uvalx_loc_unk, uvalx_loc_nonvar);
|
||
/* first argument is unbound */
|
||
d1 = XREG(PREG->u.ox.x);
|
||
deref_head(d1, uvalx_loc_var_unk);
|
||
|
||
uvalx_loc_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
SREG++;
|
||
BIND_GLOBAL(pt0, d1, bind_uvalx_loc_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_uvalx_loc_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
/* Here we are in trouble: we have a clash between pt1 and
|
||
* SREG. We address this by storing SREG in d0 for the duration. */
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, uvalx_loc_var_unk, uvalx_loc_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
SREG++;
|
||
UnifyGlobalRegCells(pt0, pt1, uc21, uc22);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc21:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc22:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_x_loc_write, ox);
|
||
/* we are in write mode */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.ox.x);
|
||
deref_head(d0, ulnify_x_loc_unk);
|
||
ulnify_x_loc_nonvar:
|
||
SREG[0] = d0;
|
||
PREG = NEXTOP(PREG, ox);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, ulnify_x_loc_unk, ulnify_x_loc_nonvar);
|
||
/* d0 is a variable, check whether we need to globalise it */
|
||
PREG = NEXTOP(PREG, ox);
|
||
if (pt0 < H) {
|
||
/* variable is global */
|
||
SREG[0] = Unsigned(pt0);
|
||
GONext();
|
||
}
|
||
else {
|
||
/* create a new Heap variable and bind our variable to it */
|
||
Bind_Local(pt0, Unsigned(SREG));
|
||
RESET_VARIABLE(SREG);
|
||
GONext();
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOpW();
|
||
|
||
/* In the next instructions, we do not know anything about
|
||
* what is in X */
|
||
Op(unify_l_x_loc, ox);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, ulvalx_loc_unk);
|
||
|
||
ulvalx_loc_nonvar:
|
||
/* first argument is bound */
|
||
d1 = XREG(PREG->u.ox.x);
|
||
deref_head(d1, ulvalx_loc_nonvar_unk);
|
||
|
||
ulvalx_loc_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, ox);
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
deref_body(d1, pt0, ulvalx_loc_nonvar_unk, ulvalx_loc_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
BIND(pt0, d0, bind_ulvalx_loc_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulvalx_loc_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, ulvalx_loc_unk, ulvalx_loc_nonvar);
|
||
/* first argument is unbound */
|
||
d1 = XREG(PREG->u.ox.x);
|
||
deref_head(d1, ulvalx_loc_var_unk);
|
||
|
||
ulvalx_loc_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
BIND_GLOBAL(pt0, d1, bind_ulvalx_loc_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulvalx_loc_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, ulvalx_loc_var_unk, ulvalx_loc_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, ox);
|
||
UnifyGlobalRegCells(pt0, pt1, uc23, uc24);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc23:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc24:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
OpW(unify_y_loc_write, oy);
|
||
/* we are in write mode */
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y+PREG->u.oy.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, unify_y_loc_unk);
|
||
unify_y_loc_nonvar:
|
||
*SREG++ = d0;
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONextW();
|
||
|
||
derefa_body(d0, pt0, unify_y_loc_unk, unify_y_loc_nonvar);
|
||
/* d0 is a variable, check whether we need to globalise it */
|
||
PREG = NEXTOP(PREG, oy);
|
||
if (pt0 < H) {
|
||
/* variable is global */
|
||
*SREG++ = Unsigned(pt0);
|
||
GONextW();
|
||
}
|
||
else {
|
||
/* create a new Heap variable and bind our variable to it */
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
Bind_Local(pt0, Unsigned(S_SREG));
|
||
RESET_VARIABLE(S_SREG);
|
||
WRITEBACK_S(S_SREG+1);
|
||
ENDCACHE_S();
|
||
GONextW();
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOpW();
|
||
|
||
Op(unify_y_loc, oy);
|
||
/* we are in read mode */
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, uvaly_loc_unk);
|
||
|
||
uvaly_loc_nonvar:
|
||
/* structure is bound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.oy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, uvaly_loc_nonvar_unk);
|
||
|
||
uvaly_loc_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, oy);
|
||
SREG++;
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
derefa_body(d1, pt1, uvaly_loc_nonvar_unk, uvaly_loc_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
SREG++;
|
||
BIND(pt1, d0, bind_uvaly_loc_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_uvaly_loc_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, uvaly_loc_unk, uvaly_loc_nonvar);
|
||
/* first argument is unbound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.oy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, uvaly_loc_var_unk);
|
||
|
||
uvaly_loc_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
SREG++;
|
||
BIND_GLOBAL(pt0, d1, bind_uvaly_loc_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_uvaly_loc_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
/* Here we are in trouble: we have a clash between pt1 and
|
||
* SREG. We address this by storing SREG in d0 for the duration. */
|
||
derefa_body(d1, pt1, uvaly_loc_var_unk, uvaly_loc_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
SREG++;
|
||
UnifyGlobalRegCells(pt0, pt1, uc25, uc26);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc25:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc26:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_y_loc_write, oy);
|
||
/* we are in write mode */
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y+PREG->u.oy.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, ulunify_y_loc_unk);
|
||
ulunify_y_loc_nonvar:
|
||
SREG[0] = d0;
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, ulunify_y_loc_unk, ulunify_y_loc_nonvar);
|
||
/* d0 is a variable, check whether we need to globalise it */
|
||
PREG = NEXTOP(PREG, oy);
|
||
if (pt0 < H) {
|
||
/* variable is global */
|
||
SREG[0] = Unsigned(pt0);
|
||
GONext();
|
||
}
|
||
else {
|
||
/* create a new Heap variable and bind our variable to it */
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
Bind_Local(pt0, Unsigned(S_SREG));
|
||
RESET_VARIABLE(S_SREG);
|
||
ENDCACHE_S();
|
||
GONext();
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_y_loc, oy);
|
||
/* else we are in read mode */
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, ulvaly_loc_unk);
|
||
|
||
ulvaly_loc_nonvar:
|
||
/* structure is bound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.oy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, ulvaly_loc_nonvar_unk);
|
||
|
||
ulvaly_loc_nonvar_nonvar:
|
||
/* both arguments are bound */
|
||
/* we may have to bind structures */
|
||
PREG = NEXTOP(PREG, oy);
|
||
UnifyBound(d0, d1);
|
||
|
||
/* deref second argument */
|
||
derefa_body(d1, pt1, ulvaly_loc_nonvar_unk, ulvaly_loc_nonvar_nonvar);
|
||
/* first argument bound, second unbound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
BIND(pt1, d0, bind_ulvaly_loc_nonvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt1, d0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
bind_ulvaly_loc_nonvar_var:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
|
||
/* first argument may be unbound */
|
||
derefa_body(d0, pt0, ulvaly_loc_unk, ulvaly_loc_nonvar);
|
||
/* first argument is unbound */
|
||
BEGP(pt1);
|
||
pt1 = Y+PREG->u.oy.y;
|
||
d1 = *pt1;
|
||
deref_head(d1, ulvaly_loc_var_unk);
|
||
|
||
ulvaly_loc_var_nonvar:
|
||
/* first unbound, second bound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
BIND_GLOBAL(pt0, d1, bind_ulvaly_loc_var_nonvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulvaly_loc_var_nonvar:
|
||
#endif
|
||
GONext();
|
||
|
||
/* Here we are in trouble: we have a clash between pt1 and
|
||
* SREG. We address this by storing SREG in d0 for the duration. */
|
||
derefa_body(d1, pt1, ulvaly_loc_var_unk, ulvaly_loc_var_nonvar);
|
||
/* both arguments are unbound */
|
||
PREG = NEXTOP(PREG, oy);
|
||
UnifyGlobalRegCells(pt0, pt1, uc27, uc28);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, (CELL)pt1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
uc27:
|
||
#endif
|
||
GONext();
|
||
#ifdef COROUTINING
|
||
uc28:
|
||
DO_TRAIL(pt1, (CELL)pt0);
|
||
if (pt1 < H0) WakeUp(pt1);
|
||
GONext();
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
OpW(unify_void_write, o);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
PREG = NEXTOP(PREG, o);
|
||
RESET_VARIABLE(S_SREG);
|
||
WRITEBACK_S(S_SREG+1);
|
||
ENDCACHE_S();
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(unify_void, o);
|
||
SREG++;
|
||
PREG = NEXTOP(PREG, o);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(unify_l_void_write, o);
|
||
PREG = NEXTOP(PREG, o);
|
||
RESET_VARIABLE(SREG);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(unify_l_void, o);
|
||
PREG = NEXTOP(PREG, o);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
OpW(unify_n_voids_write, os);
|
||
BEGD(d0);
|
||
CACHE_S();
|
||
d0 = PREG->u.os.s;
|
||
READ_IN_S();
|
||
PREG = NEXTOP(PREG, os);
|
||
for (; d0 > 0; d0--) {
|
||
RESET_VARIABLE(S_SREG);
|
||
S_SREG++;
|
||
}
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
ENDD(d0);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(unify_n_voids, os);
|
||
SREG += PREG->u.os.s;
|
||
PREG = NEXTOP(PREG, os);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(unify_l_n_voids_write, os);
|
||
BEGD(d0);
|
||
d0 = PREG->u.os.s;
|
||
PREG = NEXTOP(PREG, os);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
for (; d0 > 0; d0--) {
|
||
RESET_VARIABLE(S_SREG);
|
||
S_SREG++;
|
||
}
|
||
ENDCACHE_S();
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(unify_l_n_voids, os);
|
||
PREG = NEXTOP(PREG, os);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
OpW(unify_atom_write, oc);
|
||
* SREG++ = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(unify_atom, oc);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG++;
|
||
d0 = *pt0;
|
||
deref_head(d0, uatom_unk);
|
||
uatom_nonvar:
|
||
if (d0 != PREG->u.oc.c) {
|
||
FAIL();
|
||
}
|
||
PREG = NEXTOP(PREG, oc);
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, uatom_unk, uatom_nonvar);
|
||
d0 = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
BIND_GLOBAL(pt0, d0, bind_uatom);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_uatom:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_atom_write, oc);
|
||
SREG[0] = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(unify_l_atom, oc);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *SREG;
|
||
deref_head(d0, ulatom_unk);
|
||
ulatom_nonvar:
|
||
if (d0 != PREG->u.oc.c) {
|
||
FAIL();
|
||
}
|
||
PREG = NEXTOP(PREG, oc);
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, ulatom_unk, ulatom_nonvar);
|
||
d0 = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
BIND_GLOBAL(pt0, d0, bind_ulatom);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulatom:
|
||
#endif
|
||
GONext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
OpW(unify_n_atoms_write, osc);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = PREG->u.osc.s;
|
||
d1 = PREG->u.osc.c;
|
||
/* write N atoms */
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
PREG = NEXTOP(PREG, osc);
|
||
for (; d0 > 0; d0--)
|
||
*S_SREG++ = d1;
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(unify_n_atoms, osc);
|
||
{
|
||
register Int i = PREG->u.osc.s; /* not enough registers */
|
||
|
||
BEGD(d1);
|
||
d1 = PREG->u.osc.c;
|
||
for (; i > 0; i--) {
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG++;
|
||
d0 = *pt0;
|
||
deref_head(d0, uatom_n_var);
|
||
uatom_n_nonvar:
|
||
if (d0 != d1) {
|
||
FAIL();
|
||
}
|
||
continue;
|
||
|
||
derefa_body(d0, pt0, uatom_n_var, uatom_n_nonvar);
|
||
BIND_GLOBAL(pt0, d1, bind_unlatom);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_unlatom:
|
||
continue;
|
||
#endif
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
}
|
||
ENDD(d1);
|
||
}
|
||
PREG = NEXTOP(PREG, osc);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(unify_float, oc);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG++;
|
||
d0 = *pt0;
|
||
deref_head(d0, ufloat_unk);
|
||
ufloat_nonvar:
|
||
/* look inside term */
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
BEGD(d0);
|
||
d0 = *pt0;
|
||
if (d0 != (CELL)FunctorDouble) {
|
||
FAIL();
|
||
}
|
||
ENDD(d0);
|
||
BEGP(pt1);
|
||
pt1 = RepAppl(PREG->u.oc.c);
|
||
PREG = NEXTOP(PREG, oc);
|
||
if (
|
||
pt1[1] != pt0[1]
|
||
#if SIZEOF_DOUBLE == 2*SIZEOF_INT_P
|
||
|| pt1[2] != pt0[2]
|
||
#endif
|
||
) FAIL();
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, ufloat_unk, ufloat_nonvar);
|
||
BEGD(d1);
|
||
d1 = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
BIND_GLOBAL(pt0, d1, bind_ufloat);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ufloat:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_float, oc);
|
||
BEGD(d0);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
d0 = *S_SREG;
|
||
deref_head(d0, ulfloat_unk);
|
||
ulfloat_nonvar:
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
BEGD(d0);
|
||
d0 = *pt0;
|
||
if (d0 != (CELL)FunctorDouble) {
|
||
FAIL();
|
||
}
|
||
ENDD(d0);
|
||
BEGP(pt1);
|
||
pt1 = RepAppl(PREG->u.oc.c);
|
||
PREG = NEXTOP(PREG, oc);
|
||
if (
|
||
pt1[1] != pt0[1]
|
||
#if SIZEOF_DOUBLE == 2*SIZEOF_INT_P
|
||
|| pt1[2] != pt0[2]
|
||
#endif
|
||
) FAIL();
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
derefa_body(d0, S_SREG, ulfloat_unk, ulfloat_nonvar);
|
||
BEGD(d1);
|
||
d1 = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
BIND_GLOBAL(S_SREG, d1, bind_ulfloat);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(S_SREG, d1);
|
||
if (S_SREG < H0) WakeUp(S_SREG);
|
||
bind_ulfloat:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
ENDCACHE_S();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_longint, oc);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG++;
|
||
d0 = *pt0;
|
||
deref_head(d0, ulongint_unk);
|
||
ulongint_nonvar:
|
||
/* look inside term */
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
BEGD(d0);
|
||
d0 = *pt0;
|
||
if (d0 != (CELL)FunctorLongInt) {
|
||
FAIL();
|
||
}
|
||
ENDD(d0);
|
||
BEGP(pt1);
|
||
pt1 = RepAppl(PREG->u.oc.c);
|
||
PREG = NEXTOP(PREG, oc);
|
||
if (pt1[1] != pt0[1]) FAIL();
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, ulongint_unk, ulongint_nonvar);
|
||
BEGD(d1);
|
||
d1 = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
BIND_GLOBAL(pt0, d1, bind_ulongint);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulongint:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_longint, oc);
|
||
BEGD(d0);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
d0 = *S_SREG;
|
||
deref_head(d0, ullongint_unk);
|
||
ullongint_nonvar:
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
BEGD(d0);
|
||
d0 = *pt0;
|
||
if (d0 != (CELL)FunctorLongInt) {
|
||
FAIL();
|
||
}
|
||
ENDD(d0);
|
||
BEGP(pt1);
|
||
pt1 = RepAppl(PREG->u.oc.c);
|
||
PREG = NEXTOP(PREG, oc);
|
||
if (pt1[1] != pt0[1]) FAIL();
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
derefa_body(d0, S_SREG, ullongint_unk, ullongint_nonvar);
|
||
BEGD(d1);
|
||
d1 = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
BIND_GLOBAL(S_SREG, d1, bind_ullongint);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(S_SREG, d1);
|
||
if (S_SREG < H0) WakeUp(S_SREG);
|
||
bind_ullongint:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
ENDCACHE_S();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_bigint, oc);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG++;
|
||
d0 = *pt0;
|
||
deref_head(d0, ubigint_unk);
|
||
ubigint_nonvar:
|
||
/* look inside term */
|
||
#ifdef USE_GMP
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
BEGD(d0);
|
||
d0 = *pt0;
|
||
if (d0 != (CELL)FunctorBigInt)
|
||
#endif
|
||
{
|
||
FAIL();
|
||
}
|
||
#ifdef USE_GMP
|
||
ENDD(d0);
|
||
if (mpz_cmp(BigIntOfTerm(d0),BigIntOfTerm(PREG->u.oc.c)))
|
||
FAIL();
|
||
#endif
|
||
PREG = NEXTOP(PREG, oc);
|
||
#ifdef USE_GMP
|
||
ENDP(pt0);
|
||
#endif
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, ubigint_unk, ubigint_nonvar);
|
||
BEGD(d1);
|
||
d1 = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
BIND_GLOBAL(pt0, d1, bind_ubigint);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ubigint:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(unify_l_bigint, oc);
|
||
BEGD(d0);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
d0 = *S_SREG;
|
||
deref_head(d0, ulbigint_unk);
|
||
ulbigint_nonvar:
|
||
#ifdef USE_GMP
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d0);
|
||
BEGD(d0);
|
||
d0 = *pt0;
|
||
if (d0 != (CELL)FunctorBigInt)
|
||
#endif
|
||
{
|
||
FAIL();
|
||
}
|
||
#ifdef USE_GMP
|
||
ENDD(d0);
|
||
if (mpz_cmp(BigIntOfTerm(d0),BigIntOfTerm(PREG->u.oc.c)))
|
||
FAIL();
|
||
#endif
|
||
PREG = NEXTOP(PREG, oc);
|
||
#ifdef USE_GMP
|
||
ENDP(pt0);
|
||
#endif
|
||
GONext();
|
||
|
||
derefa_body(d0, S_SREG, ulbigint_unk, ulbigint_nonvar);
|
||
BEGD(d1);
|
||
d1 = PREG->u.oc.c;
|
||
PREG = NEXTOP(PREG, oc);
|
||
BIND_GLOBAL(S_SREG, d1, bind_ulbigint);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(S_SREG, d1);
|
||
if (S_SREG < H0) WakeUp(S_SREG);
|
||
bind_ulbigint:
|
||
#endif
|
||
GONext();
|
||
ENDD(d1);
|
||
ENDCACHE_S();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
OpW(unify_list_write, o);
|
||
PREG = NEXTOP(PREG, o);
|
||
BEGD(d0);
|
||
d0 = AbsPair(H);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
SP -= 2;
|
||
SP[0] = WRITE_MODE;
|
||
SP[1] = Unsigned(S_SREG + 1);
|
||
S_SREG[0] = d0;
|
||
S_SREG = H;
|
||
H = S_SREG + 2;
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
GONextW();
|
||
ENDD(d0);
|
||
ENDOpW();
|
||
|
||
OpRW(unify_list, o);
|
||
*--SP = Unsigned(SREG + 1);
|
||
*--SP = READ_MODE;
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, ulist_unk);
|
||
ulist_nonvar:
|
||
if (!IsPairTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
/* we continue in read mode */
|
||
START_PREFETCH(o);
|
||
SREG = RepPair(d0);
|
||
PREG = NEXTOP(PREG, o);
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
derefa_body(d0, pt0, ulist_unk, ulist_nonvar);
|
||
/* we enter write mode */
|
||
START_PREFETCH_W(o);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
S_SREG = H;
|
||
PREG = NEXTOP(PREG, o);
|
||
H = S_SREG + 2;
|
||
d0 = AbsPair(S_SREG);
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
BIND_GLOBAL(pt0, d0, bind_ulist_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulist_var:
|
||
#endif
|
||
GONextW();
|
||
END_PREFETCH_W();
|
||
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
OpW(unify_l_list_write, o);
|
||
/* we continue in write mode */
|
||
BEGD(d0);
|
||
d0 = AbsPair(H);
|
||
PREG = NEXTOP(PREG, o);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
S_SREG[0] = d0;
|
||
S_SREG = H;
|
||
H = S_SREG + 2;
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
GONextW();
|
||
ENDD(d0);
|
||
ENDOpW();
|
||
|
||
OpRW(unify_l_list, o);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, ullist_unk);
|
||
ullist_nonvar:
|
||
START_PREFETCH(o);
|
||
if (!IsPairTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
/* we continue in read mode */
|
||
PREG = NEXTOP(PREG, o);
|
||
SREG = RepPair(d0);
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
derefa_body(d0, pt0, ullist_unk, ullist_nonvar);
|
||
/* we enter write mode */
|
||
START_PREFETCH_W(o);
|
||
PREG = NEXTOP(PREG, o);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
S_SREG = H;
|
||
H = S_SREG + 2;
|
||
d0 = AbsPair(S_SREG);
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
BIND_GLOBAL(pt0, d0, bind_ullist_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ullist_var:
|
||
#endif
|
||
GONextW();
|
||
END_PREFETCH_W();
|
||
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
OpW(unify_struct_write, of);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
*--SP = Unsigned(S_SREG + 1);
|
||
*--SP = WRITE_MODE;
|
||
/* we continue in write mode */
|
||
BEGD(d0);
|
||
d0 = AbsAppl(H);
|
||
S_SREG[0] = d0;
|
||
S_SREG = H;
|
||
d0 = (CELL) (PREG->u.of.f);
|
||
*S_SREG++ = d0;
|
||
H = S_SREG + PREG->u.of.a;
|
||
PREG = NEXTOP(PREG, of);
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
ENDD(d0);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
OpRW(unify_struct, of);
|
||
*--SP = Unsigned(SREG + 1);
|
||
*--SP = READ_MODE;
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
START_PREFETCH(of);
|
||
deref_head(d0, ustruct_unk);
|
||
ustruct_nonvar:
|
||
/* we are in read mode */
|
||
if (!IsApplTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
/* we continue in read mode */
|
||
S_SREG = RepAppl(d0);
|
||
/* just check functor */
|
||
d0 = (CELL) (PREG->u.of.f);
|
||
if (*S_SREG != d0) {
|
||
FAIL();
|
||
}
|
||
PREG = NEXTOP(PREG, of);
|
||
WRITEBACK_S(S_SREG+1);
|
||
ENDCACHE_S();
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
derefa_body(d0, pt0, ustruct_unk, ustruct_nonvar);
|
||
/* Enter Write mode */
|
||
START_PREFETCH_W(of);
|
||
/* set d1 to be the new structure we are going to create */
|
||
BEGD(d1);
|
||
d1 = AbsAppl(H);
|
||
/* we know the variable must be in the heap */
|
||
BIND_GLOBAL(pt0, d1, bind_ustruct);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ustruct:
|
||
#endif
|
||
/* now, set pt0 to point to the heap where we are going to
|
||
* build our term */
|
||
pt0 = H;
|
||
ENDD(d1);
|
||
/* first, put the functor */
|
||
d0 = (CELL) (PREG->u.of.f);
|
||
*pt0++ = d0;
|
||
H = pt0 + PREG->u.of.a;
|
||
PREG = NEXTOP(PREG, of);
|
||
/* set SREG */
|
||
SREG = pt0;
|
||
/* update H */
|
||
GONextW();
|
||
END_PREFETCH_W();
|
||
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
OpW(unify_l_struc_write, of);
|
||
BEGD(d0);
|
||
d0 = AbsAppl(H);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
S_SREG[0] = d0;
|
||
S_SREG = H;
|
||
d0 = (CELL) (PREG->u.of.f);
|
||
*S_SREG++ = d0;
|
||
H = S_SREG + PREG->u.of.a;
|
||
PREG = NEXTOP(PREG, of);
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
ENDD(d0);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
OpRW(unify_l_struc, of);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, ulstruct_unk);
|
||
ulstruct_nonvar:
|
||
/* we are in read mode */
|
||
START_PREFETCH(of);
|
||
if (!IsApplTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
/* we continue in read mode */
|
||
SREG = RepAppl(d0);
|
||
/* just check functor */
|
||
d0 = (CELL) (PREG->u.of.f);
|
||
if (*SREG++ != d0) {
|
||
FAIL();
|
||
}
|
||
PREG = NEXTOP(PREG, of);
|
||
GONext();
|
||
END_PREFETCH();
|
||
|
||
derefa_body(d0, pt0, ulstruct_unk, ulstruct_nonvar);
|
||
/* Enter Write mode */
|
||
/* set d1 to be the new structure we are going to create */
|
||
START_PREFETCH_W(of);
|
||
BEGD(d1);
|
||
d1 = AbsAppl(H);
|
||
/* we know the variable must be in the heap */
|
||
BIND_GLOBAL(pt0, d1, bind_ulstruct);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d1);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_ulstruct:
|
||
#endif
|
||
/* now, set pt0 to point to the heap where we are going to
|
||
* build our term */
|
||
pt0 = H;
|
||
ENDD(d1);
|
||
/* first, put the functor */
|
||
d0 = (CELL) (PREG->u.of.f);
|
||
*pt0++ = d0;
|
||
H = pt0 + PREG->u.of.a;
|
||
PREG = NEXTOP(PREG, of);
|
||
/* set SREG */
|
||
SREG = pt0;
|
||
/* update H */
|
||
GONextW();
|
||
END_PREFETCH_W();
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
/************************************************************************\
|
||
* Put Instructions *
|
||
\************************************************************************/
|
||
|
||
Op(put_x_var, xx);
|
||
BEGP(pt0);
|
||
pt0 = H;
|
||
XREG(PREG->u.xx.xl) = Unsigned(pt0);
|
||
H = pt0 + 1;
|
||
XREG(PREG->u.xx.xr) = Unsigned(pt0);
|
||
PREG = NEXTOP(PREG, xx);
|
||
RESET_VARIABLE(pt0);
|
||
ENDP(pt0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(put_y_var, yx);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yx.y;
|
||
XREG(PREG->u.yx.x) = (CELL) pt0;
|
||
PREG = NEXTOP(PREG, yx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
/* We must initialise a shared variable to point to the SBA */
|
||
if (Unsigned((Int)(pt0)-(Int)(H_FZ)) >
|
||
Unsigned((Int)(B_FZ)-(Int)(H_FZ))) {
|
||
*pt0 = (CELL)STACK_TO_SBA(pt0);
|
||
} else
|
||
#endif
|
||
RESET_VARIABLE(pt0);
|
||
ENDP(pt0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(put_x_val, xx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xx.xl);
|
||
XREG(PREG->u.xx.xr) = d0;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, xx);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(put_y_val, yx);
|
||
BEGD(d0);
|
||
d0 = Y[PREG->u.yx.y];
|
||
#if SBA
|
||
if (d0 == 0) /* new variable */
|
||
XREG(PREG->u.yx.x) = (CELL)(Y+PREG->u.yx.y);
|
||
else
|
||
#endif
|
||
XREG(PREG->u.yx.x) = d0;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, yx);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(put_unsafe, yx);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y+PREG->u.yx.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, punsafe_unk);
|
||
punsafe_nonvar:
|
||
XREG(PREG->u.yx.x) = d0;
|
||
PREG = NEXTOP(PREG, yx);
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, punsafe_unk, punsafe_nonvar);
|
||
/* d0 is a variable, check whether we need to globalise it */
|
||
if (pt0 <= H || pt0 >= Y) {
|
||
/* variable is safe */
|
||
XREG(PREG->u.yx.x) = Unsigned(pt0);
|
||
PREG = NEXTOP(PREG, yx);
|
||
GONext();
|
||
}
|
||
else {
|
||
/* create a new Heap variable and bind our variable to it */
|
||
Bind_Local(pt0, Unsigned(H));
|
||
XREG(PREG->u.yx.x) = (CELL) H;
|
||
RESET_VARIABLE(H);
|
||
H++;
|
||
PREG = NEXTOP(PREG, yx);
|
||
GONext();
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(put_atom, xc);
|
||
BEGD(d0);
|
||
d0 = PREG->u.xc.c;
|
||
XREG(PREG->u.xc.x) = d0;
|
||
PREG = NEXTOP(PREG, xc);
|
||
GONext();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(put_list, x);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
S_SREG = H;
|
||
H += 2;
|
||
BEGD(d0);
|
||
d0 = AbsPair(S_SREG);
|
||
XREG(PREG->u.x.x) = d0;
|
||
PREG = NEXTOP(PREG, x);
|
||
ENDD(d0);
|
||
WRITEBACK_S(S_SREG);
|
||
ENDCACHE_S();
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(put_struct, xf);
|
||
BEGD(d0);
|
||
d0 = AbsAppl(H);
|
||
XREG(PREG->u.xf.x) = d0;
|
||
d0 = (CELL) (PREG->u.xf.f);
|
||
*H++ = d0;
|
||
SREG = H;
|
||
H += PREG->u.xf.a;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, xf);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/************************************************************************\
|
||
* Write Instructions *
|
||
\************************************************************************/
|
||
|
||
Op(write_x_var, x);
|
||
XREG(PREG->u.x.x) = Unsigned(SREG);
|
||
PREG = NEXTOP(PREG, x);
|
||
RESET_VARIABLE(SREG);
|
||
SREG++;
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_void, e);
|
||
PREG = NEXTOP(PREG, e);
|
||
RESET_VARIABLE(SREG);
|
||
SREG++;
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_n_voids, s);
|
||
BEGD(d0);
|
||
d0 = PREG->u.s.s;
|
||
PREG = NEXTOP(PREG, s);
|
||
for (; d0 > 0; d0--) {
|
||
RESET_VARIABLE(SREG);
|
||
SREG++;
|
||
}
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_y_var, y);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.y.y,Unsigned(SREG));
|
||
#else
|
||
Y[PREG->u.y.y] = Unsigned(SREG);
|
||
#endif
|
||
PREG = NEXTOP(PREG, y);
|
||
RESET_VARIABLE(SREG);
|
||
SREG++;
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_x_val, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
*SREG++ = d0;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_x_loc, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, w_x_unk);
|
||
w_x_bound:
|
||
*SREG++ = d0;
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, w_x_unk, w_x_bound);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
if (pt0 > H && pt0<(CELL *)B_FZ) {
|
||
#else
|
||
if (pt0 > H) {
|
||
#endif
|
||
PREG = NEXTOP(PREG, x);
|
||
/* local variable: let us bind it to the list */
|
||
#ifdef FROZEN_REGS /* TRAIL */
|
||
Bind_Local(pt0, Unsigned(SREG));
|
||
#else
|
||
TRAIL_LOCAL(pt0, Unsigned(SREG));
|
||
*pt0 = Unsigned(SREG);
|
||
#endif /* FROZEN_REGS */
|
||
RESET_VARIABLE(SREG);
|
||
SREG++;
|
||
GONext();
|
||
}
|
||
else {
|
||
PREG = NEXTOP(PREG, x);
|
||
*SREG++ = Unsigned(pt0);
|
||
GONext();
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(write_y_val, y);
|
||
BEGD(d0);
|
||
d0 = Y[PREG->u.y.y];
|
||
#if SBA
|
||
if (d0 == 0) /* new variable */
|
||
*SREG++ = (CELL)(Y+PREG->u.y.y);
|
||
else
|
||
#endif
|
||
*SREG++ = d0;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_y_loc, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y+PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, w_y_unk);
|
||
w_y_bound:
|
||
PREG = NEXTOP(PREG, y);
|
||
*SREG++ = d0;
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, w_y_unk, w_y_bound);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
if (pt0 > H && pt0<(CELL *)B_FZ) {
|
||
#else
|
||
if (pt0 > H) {
|
||
#endif
|
||
PREG = NEXTOP(PREG, y);
|
||
/* local variable: let us bind it to the list */
|
||
#ifdef FROZEN_REGS
|
||
Bind_Local(pt0, Unsigned(SREG));
|
||
#else
|
||
*pt0 = Unsigned(SREG);
|
||
TRAIL_LOCAL(pt0, Unsigned(SREG));
|
||
#endif /* FROZEN_REGS */
|
||
RESET_VARIABLE(SREG);
|
||
SREG++;
|
||
GONext();
|
||
}
|
||
else {
|
||
PREG = NEXTOP(PREG, y);
|
||
*SREG++ = Unsigned(pt0);
|
||
GONext();
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(write_atom, c);
|
||
BEGD(d0);
|
||
d0 = PREG->u.c.c;
|
||
*SREG++ = d0;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, c);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_n_atoms, sc);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = PREG->u.sc.s;
|
||
d1 = PREG->u.sc.c;
|
||
for (; d0 > 0; d0--)
|
||
*SREG++ = d1;
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, sc);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_list, e);
|
||
BEGD(d0);
|
||
d0 = AbsPair(H);
|
||
*SREG++ = d0;
|
||
/* I will not actually store the mode in the stack */
|
||
SP[-1] = Unsigned(SREG);
|
||
SP[-2] = 1; /* Put instructions follow the main stream */
|
||
SP -= 2;
|
||
SREG = H;
|
||
H += 2;
|
||
ENDD(d0);
|
||
PREG = NEXTOP(PREG, e);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_l_list, e);
|
||
ALWAYS_START_PREFETCH(e);
|
||
PREG = NEXTOP(PREG, e);
|
||
BEGD(d0);
|
||
CACHE_S();
|
||
READ_IN_S();
|
||
d0 = AbsPair(H);
|
||
*S_SREG = d0;
|
||
WRITEBACK_S(H);
|
||
H += 2;
|
||
ENDCACHE_S();
|
||
ENDD(d0);
|
||
ALWAYS_END_PREFETCH();
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_struct, f);
|
||
BEGD(d0);
|
||
d0 = AbsAppl(H);
|
||
*SREG++ = d0;
|
||
SP[-1] = Unsigned(SREG);
|
||
SP[-2] = 1; /* Put instructions follow the main stream */
|
||
SP -= 2;
|
||
d0 = (CELL) (PREG->u.f.f);
|
||
*H++ = d0;
|
||
ENDD(d0);
|
||
BEGD(d0);
|
||
d0 = PREG->u.f.a;
|
||
PREG = NEXTOP(PREG, f);
|
||
SREG = H;
|
||
H += d0;
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(write_l_struc, f);
|
||
BEGD(d0);
|
||
d0 = AbsAppl(H);
|
||
*SREG = d0;
|
||
d0 = (CELL) (PREG->u.f.f);
|
||
*H++ = d0;
|
||
SREG = H;
|
||
ENDD(d0);
|
||
BEGD(d0);
|
||
d0 = PREG->u.f.a;
|
||
PREG = NEXTOP(PREG, f);
|
||
H += d0;
|
||
ENDD(d0);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/************************************************************************\
|
||
* Save last unified struct or list *
|
||
\************************************************************************/
|
||
|
||
/* vitor: I think I should kill these two instructions, by expanding the
|
||
* othe instructions.
|
||
*/
|
||
|
||
OpW(save_pair_x_write, ox);
|
||
XREG(PREG->u.ox.x) = AbsPair(SREG);
|
||
PREG = NEXTOP(PREG, ox);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(save_pair_x, ox);
|
||
XREG(PREG->u.ox.x) = AbsPair(SREG);
|
||
PREG = NEXTOP(PREG, ox);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
OpW(save_pair_y_write, oy);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.oy.y,AbsPair(SREG));
|
||
#else
|
||
Y[PREG->u.oy.y] = AbsPair(SREG);
|
||
#endif
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(save_pair_y, oy);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.oy.y,AbsPair(SREG));
|
||
#else
|
||
Y[PREG->u.oy.y] = AbsPair(SREG);
|
||
#endif
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
OpW(save_appl_x_write, ox);
|
||
XREG(PREG->u.ox.x) = AbsAppl(SREG - 1);
|
||
PREG = NEXTOP(PREG, ox);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(save_appl_x, ox);
|
||
XREG(PREG->u.ox.x) = AbsAppl(SREG - 1);
|
||
PREG = NEXTOP(PREG, ox);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
OpW(save_appl_y_write, oy);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.oy.y,AbsAppl(SREG-1));
|
||
#else
|
||
Y[PREG->u.oy.y] = AbsAppl(SREG - 1);
|
||
#endif
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONextW();
|
||
ENDOpW();
|
||
|
||
Op(save_appl_y, oy);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(Y+PREG->u.oy.y,AbsAppl(SREG-1));
|
||
#else
|
||
Y[PREG->u.oy.y] = AbsAppl(SREG - 1);
|
||
#endif
|
||
PREG = NEXTOP(PREG, oy);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
/************************************************************************\
|
||
* Instructions for implemeting 'or;' *
|
||
\************************************************************************/
|
||
|
||
BOp(jump, l);
|
||
PREG = (yamop *) (PREG->u.l.l);
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
/* This instruction is called when the previous goal
|
||
was interrupted when waking up goals
|
||
*/
|
||
BOp(move_back, l);
|
||
PREG = (yamop *)(((char *)PREG)-(Int)(NEXTOP((yamop *)NULL,sla)));
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
/* This instruction is called when the previous goal
|
||
was interrupted when waking up goals
|
||
*/
|
||
BOp(skip, l);
|
||
PREG = NEXTOP(PREG,l);
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
Op(either, sla);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
low_level_trace(try_or, (PredEntry *)PREG, NULL);
|
||
}
|
||
#endif
|
||
#ifdef COROUTINING
|
||
CACHE_Y_AS_ENV(Y);
|
||
check_stack(NoStackEither, H);
|
||
ENDCACHE_Y_AS_ENV();
|
||
either_notest:
|
||
#endif
|
||
BEGD(d0);
|
||
/* Try to preserve the environment */
|
||
d0 = PREG->u.sla.s;
|
||
BEGCHO(pt1);
|
||
pt1 = (choiceptr) ((char *) Y + (YREG) d0);
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (pt1 > top_b || pt1 < (choiceptr)H) pt1 = top_b;
|
||
#else
|
||
if (pt1 > top_b) pt1 = top_b;
|
||
#endif
|
||
}
|
||
#else
|
||
if (pt1 > B) {
|
||
pt1 = B;
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
pt1 = (choiceptr)(((CELL *) pt1)-1);
|
||
*(CELL **) pt1 = Y;
|
||
store_yaam_regs_for_either(PREG->u.sla.l, PREG);
|
||
SREG = (CELL *) (B = pt1);
|
||
#ifdef YAPOR
|
||
SCH_set_load(pt1);
|
||
#endif /* YAPOR */
|
||
SET_BB(pt1);
|
||
ENDCHO(pt1);
|
||
/* skip the current instruction plus the next one */
|
||
PREG = NEXTOP(NEXTOP(PREG, sla),l);
|
||
GONext();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(or_else, sla);
|
||
H = HBREG = PROTECT_FROZEN_H(B);
|
||
ENV = B->cp_env;
|
||
B->cp_cp = PREG;
|
||
#ifdef DEPTH_LIMIT
|
||
DEPTH = B->cp_depth;
|
||
#endif /* DEPTH_LIMIT */
|
||
SET_BB(PROTECT_FROZEN_B(B));
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_new_alternative(PREG, (yamop *) (PREG->u.sla.l));
|
||
} else
|
||
#endif /* YAPOR */
|
||
B->cp_ap = (yamop *) PREG->u.sla.l;
|
||
PREG = NEXTOP(PREG, sla);
|
||
Y = (CELL *) B->cp_a1;
|
||
GONext();
|
||
ENDOp();
|
||
|
||
#ifdef YAPOR
|
||
Op(or_last, sla);
|
||
#else
|
||
Op(or_last, e);
|
||
#endif /* YAPOR */
|
||
BEGCHO(pt0);
|
||
pt0 = B;
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
H = HBREG = PROTECT_FROZEN_H(pt0);
|
||
Y = (CELL *) pt0->cp_a1;
|
||
ENV = pt0->cp_env;
|
||
#ifdef DEPTH_LIMIT
|
||
DEPTH = pt0->cp_depth;
|
||
#endif /* DEPTH_LIMIT */
|
||
SCH_new_alternative(PREG, NULL);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
B = pt0->cp_b;
|
||
H = PROTECT_FROZEN_H(pt0);
|
||
Y = (CELL *) pt0->cp_a1;
|
||
ENV = pt0->cp_env;
|
||
#ifdef DEPTH_LIMIT
|
||
DEPTH = pt0->cp_depth;
|
||
#endif /* DEPTH_LIMIT */
|
||
HBREG = PROTECT_FROZEN_H(B);
|
||
}
|
||
#ifdef YAPOR
|
||
PREG = NEXTOP(PREG, sla);
|
||
#else
|
||
PREG = NEXTOP(PREG, e);
|
||
#endif /* YAPOR */
|
||
SET_BB(PROTECT_FROZEN_B(B));
|
||
GONext();
|
||
ENDCHO(pt0);
|
||
ENDOp();
|
||
|
||
/************************************************************************\
|
||
* Pop operations *
|
||
\************************************************************************/
|
||
|
||
OpRW(pop_n, s);
|
||
/* write mode might have been called from read mode */
|
||
BEGD(d0);
|
||
d0 = PREG->u.os.s;
|
||
SP = (CELL *) (((char *) SP) + d0);
|
||
ENDD(d0);
|
||
BEGD(d0);
|
||
d0 = SP[0];
|
||
if (d0) {
|
||
START_PREFETCH(s);
|
||
SREG = (CELL *) (SP[1]);
|
||
SP += 2;
|
||
PREG = NEXTOP(PREG, s);
|
||
GONext();
|
||
END_PREFETCH();
|
||
}
|
||
else {
|
||
START_PREFETCH_W(s);
|
||
SREG = (CELL *) (SP[1]);
|
||
SP += 2;
|
||
PREG = NEXTOP(PREG, s);
|
||
GONextW();
|
||
END_PREFETCH_W();
|
||
}
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
OpRW(pop, e);
|
||
BEGD(d0);
|
||
d0 = SP[0];
|
||
SREG = (CELL *) (SP[1]);
|
||
SP += 2;
|
||
if (d0) {
|
||
START_PREFETCH(e);
|
||
PREG = NEXTOP(PREG, e);
|
||
GONext();
|
||
END_PREFETCH();
|
||
}
|
||
else {
|
||
START_PREFETCH_W(e);
|
||
PREG = NEXTOP(PREG, e);
|
||
GONextW();
|
||
END_PREFETCH_W();
|
||
}
|
||
ENDD(d0);
|
||
ENDOpRW();
|
||
|
||
/************************************************************************\
|
||
* Call C predicates instructions *
|
||
\************************************************************************/
|
||
|
||
BOp(call_cpred, sla);
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (Y > (CELL *) top_b || Y < H) ASP = (CELL *)top_b;
|
||
#else
|
||
if (Y > (CELL *) top_b) ASP = (CELL *)top_b;
|
||
#endif
|
||
else ASP = (CELL *)(((char *)Y) + PREG->u.sla.s);
|
||
}
|
||
#else
|
||
if (Y > (CELL *) B) {
|
||
ASP = (CELL *) B;
|
||
} else {
|
||
ASP = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace)
|
||
low_level_trace(enter_pred,(PredEntry *)(PREG->u.sla.p),XREGS+1);
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = (CELL) (PREG->u.sla.l);
|
||
PREG = NEXTOP(PREG, sla);
|
||
saveregs();
|
||
SREG = (CELL *) (*((Int (*)(void)) d0)) ();
|
||
ENDD(d0);
|
||
|
||
|
||
setregs();
|
||
if (!SREG) {
|
||
FAIL();
|
||
}
|
||
CACHE_A1();
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
/* Like previous, the only difference is that we do not */
|
||
/* trust the C-function we are calling and hence we must */
|
||
/* guarantee that *all* machine registers are saved and */
|
||
/* restored */
|
||
BOp(call_usercpred, sla);
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (Y > (CELL *) top_b || Y < H) ASP = (CELL *) top_b;
|
||
#else
|
||
if (Y > (CELL *) top_b) ASP = (CELL *) top_b;
|
||
#endif
|
||
else ASP = (CELL *)(((char *)Y) + PREG->u.sla.s);
|
||
}
|
||
#else
|
||
if (Y > (CELL *) B)
|
||
ASP = (CELL *) B;
|
||
else {
|
||
ASP = (CELL *) (((char *) Y) + PREG->u.sla.s);
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace)
|
||
low_level_trace(enter_pred,(PredEntry *)(PREG->u.sla.p),XREGS+1);
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
{
|
||
CODEADDR p = PREG->u.sla.p;
|
||
PREG = NEXTOP(PREG, sla);
|
||
saveregs();
|
||
save_machine_regs();
|
||
|
||
SREG = (CELL *) YapExecute((CPredicate)(((PredEntry *)p)->CodeOfPred));
|
||
}
|
||
|
||
restore_machine_regs();
|
||
setregs();
|
||
if (!SREG) {
|
||
FAIL();
|
||
}
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(call_c_wfail, sdl);
|
||
#ifdef FROZEN_REGS
|
||
{
|
||
choiceptr top_b = PROTECT_FROZEN_B(B);
|
||
#ifdef SBA
|
||
if (Y > (CELL *) top_b || Y < H) ASP = (CELL *) top_b;
|
||
#else
|
||
if (Y > (CELL *) top_b) ASP = (CELL *) top_b;
|
||
#endif
|
||
else {
|
||
BEGD(d0);
|
||
d0 = PREG->u.sdl.s;
|
||
ASP = ((CELL *)Y) + d0;
|
||
ENDD(d0);
|
||
}
|
||
}
|
||
#else
|
||
if (Y > (CELL *) B)
|
||
ASP = (CELL *) B;
|
||
else {
|
||
BEGD(d0);
|
||
d0 = PREG->u.sdl.s;
|
||
ASP = ((CELL *) Y) + d0;
|
||
ENDD(d0);
|
||
}
|
||
#endif /* FROZEN_REGS */
|
||
BEGD(d0);
|
||
d0 = (CELL) (PREG->u.sdl.d);
|
||
saveregs();
|
||
SREG = (CELL *) (*((Int (*)(void)) d0)) ();
|
||
ENDD(d0);
|
||
setregs();
|
||
if (!SREG)
|
||
PREG = (yamop *) (PREG->u.sdl.l);
|
||
else
|
||
PREG = NEXTOP(PREG, sdl);
|
||
CACHE_A1();
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(try_c, lds);
|
||
#ifdef YAPOR
|
||
CUT_wait_leftmost();
|
||
#endif /* YAPOR */
|
||
CACHE_Y(Y);
|
||
S_Y = S_Y - PREG->u.lds.extra;
|
||
store_args(PREG->u.lds.s);
|
||
store_yaam_regs(NEXTOP(PREG, lds), 0);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif /* YAPOR */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
|
||
TRYCC:
|
||
ASP = (CELL *)B;
|
||
saveregs();
|
||
|
||
BEGD(d0);
|
||
d0 = (CELL)PREG->u.lds.d;
|
||
SREG = (CELL *) (*((Int (*)(void)) (d0))) ();
|
||
ENDD(d0);
|
||
|
||
setregs();
|
||
if (!SREG) {
|
||
FAIL();
|
||
}
|
||
if ((CELL *) B == Y && ASP != (CELL *) B) {
|
||
/* as Luis says, the predicate that did the try C might
|
||
* have left some data on the stack. We should preserve
|
||
* it, unless the builtin also did cut */
|
||
Y = ASP;
|
||
HBREG = PROTECT_FROZEN_H(B);
|
||
SET_BB(B);
|
||
}
|
||
PREG = (yamop *) CPREG;
|
||
Y = ENV;
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(retry_c, lds);
|
||
#ifdef YAPOR
|
||
CUT_wait_leftmost();
|
||
#endif /* YAPOR */
|
||
CACHE_Y(B);
|
||
CPREG = B_Y->cp_cp;
|
||
ENV = B_Y->cp_env;
|
||
H = PROTECT_FROZEN_H(B);
|
||
#ifdef DEPTH_LIMIT
|
||
DEPTH =B->cp_depth;
|
||
#endif
|
||
HBREG = H;
|
||
restore_args(PREG->u.lds.s);
|
||
ENDCACHE_Y();
|
||
goto TRYCC;
|
||
ENDBOp();
|
||
|
||
BOp(try_userc, lds);
|
||
#ifdef YAPOR
|
||
CUT_wait_leftmost();
|
||
#endif /* YAPOR */
|
||
CACHE_Y(Y);
|
||
S_Y = S_Y - PREG->u.lds.extra;
|
||
store_args(PREG->u.lds.s);
|
||
store_yaam_regs(NEXTOP(PREG, lds), 0);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
|
||
TRYUSERCC:
|
||
ASP = YENV;
|
||
saveregs();
|
||
save_machine_regs();
|
||
{
|
||
CPredicate p;
|
||
|
||
p = (CPredicate)(PREG->u.lds.d);
|
||
SREG = (CELL *) YapExecute(p);
|
||
}
|
||
restore_machine_regs();
|
||
setregs();
|
||
if (!SREG) {
|
||
FAIL();
|
||
}
|
||
if ((CELL *) B == Y && ASP != (CELL *) B) {
|
||
/* as Luis says, the predicate that did the try C might
|
||
* have left some data on the stack. We should preserve
|
||
* it, unless the builtin also did cut */
|
||
Y = ASP;
|
||
HBREG = PROTECT_FROZEN_H(B);
|
||
}
|
||
PREG = (yamop *) CPREG;
|
||
Y = ENV;
|
||
CACHE_A1();
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(retry_userc, lds);
|
||
#ifdef YAPOR
|
||
CUT_wait_leftmost();
|
||
#endif /* YAPOR */
|
||
CACHE_Y(B);
|
||
CPREG = B_Y->cp_cp;
|
||
ENV = B_Y->cp_env;
|
||
H = PROTECT_FROZEN_H(B);
|
||
#ifdef DEPTH_LIMIT
|
||
DEPTH =B->cp_depth;
|
||
#endif
|
||
HBREG = H;
|
||
restore_args(PREG->u.lds.s);
|
||
ENDCACHE_Y();
|
||
goto TRYUSERCC;
|
||
ENDBOp();
|
||
|
||
/************************************************************************\
|
||
* support instructions *
|
||
\************************************************************************/
|
||
|
||
BOp(index_pred, e);
|
||
saveregs();
|
||
WRITE_LOCK(PredFromDefCode(PREG)->PRWLock);
|
||
#if defined(YAPOR) || defined(THREADS)
|
||
/*
|
||
we do not lock access to the predicate,
|
||
we must take extra care here
|
||
*/
|
||
/*
|
||
Ideally, this code should only be executed by
|
||
dynamic procedures in YAPOR. Unfortunately, it also seems
|
||
to be executed when
|
||
running a procedure from within the file that defines it.
|
||
*/
|
||
if (PredFromDefCode(PREG)->OpcodeOfPred != INDEX_OPCODE) {
|
||
/* someone was here before we were */
|
||
PREG = (yamop *) PredFromDefCode(PREG)->CodeOfPred;
|
||
WRITE_UNLOCK(PredFromDefCode(PREG)->PRWLock);
|
||
JMPNext();
|
||
}
|
||
#endif
|
||
IPred((CODEADDR)PredFromDefCode(PREG));
|
||
/* IPred can generate errors, it thus must get rid of the lock itself */
|
||
setregs();
|
||
CACHED_A1() = ARG1;
|
||
PREG = (yamop *) PredFromDefCode(PREG)->CodeOfPred;
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(undef_p, e);
|
||
/* save S for module name */
|
||
{
|
||
PredEntry *pe = PredFromDefCode(PREG);
|
||
BEGD(d0);
|
||
READ_LOCK(pe->PRWLock);
|
||
/* avoid trouble with undefined dynamic procedures */
|
||
if (pe->PredFlags & (DynamicPredFlag|LogUpdatePredFlag)) {
|
||
READ_UNLOCK(pe->PRWLock);
|
||
FAIL();
|
||
}
|
||
READ_UNLOCK(pe->PRWLock);
|
||
d0 = pe->ArityOfPE;
|
||
if (d0 == 0) {
|
||
H[1] = MkAtomTerm(((Atom) pe->FunctorOfPred));
|
||
}
|
||
else {
|
||
H[d0 + 2] = AbsAppl(H);
|
||
*H = (CELL) pe->FunctorOfPred;
|
||
H++;
|
||
BEGP(pt1);
|
||
pt1 = XREGS + 1;
|
||
for (; d0 > 0; --d0) {
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = pt1++;
|
||
d1 = *pt0;
|
||
deref_head(d1, undef_unk);
|
||
undef_nonvar:
|
||
/* just copy it to the heap */
|
||
*H++ = d1;
|
||
continue;
|
||
|
||
derefa_body(d1, pt0, undef_unk, undef_nonvar);
|
||
if (pt0 <= H) {
|
||
/* variable is safe */
|
||
*H++ = (CELL)pt0;
|
||
} else {
|
||
/* bind it, in case it is a local variable */
|
||
d1 = Unsigned(H);
|
||
RESET_VARIABLE(H);
|
||
H += 1;
|
||
Bind_Local(pt0, d1);
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
}
|
||
ENDP(pt1);
|
||
}
|
||
ENDD(d0);
|
||
H[0] = Module_Name((CODEADDR)pe);
|
||
ARG1 = (Term) AbsPair(H);
|
||
H += 2;
|
||
}
|
||
|
||
if (UndefCode == NULL) {
|
||
Atom at;
|
||
|
||
at = FullLookupAtom("$undefp");
|
||
{
|
||
Prop p = GetPredProp (at, 1);
|
||
if (p == NIL) {
|
||
CFREG = MinStackGap*(stack_overflows+1);
|
||
FAIL();
|
||
} else {
|
||
PredEntry *undefpe;
|
||
undefpe = RepPredProp (p);
|
||
READ_LOCK(undefpe->PRWLock);
|
||
UndefCode = (CELL *) & (undefpe->CodeOfPred);
|
||
READ_UNLOCK(undefpe->PRWLock);
|
||
}
|
||
}
|
||
}
|
||
PREG = (yamop *)pred_entry_from_code(UndefCode)->CodeOfPred;
|
||
CFREG = MinStackGap*(stack_overflows+1);
|
||
CACHE_A1();
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(spy_pred, e);
|
||
{
|
||
PredEntry *pe = PredFromDefCode(PREG);
|
||
if (!(FlipFlop ^= 1)) {
|
||
READ_LOCK(pe->PRWLock);
|
||
PREG = (yamop *) pe->TrueCodeOfPred;
|
||
READ_UNLOCK(pe->PRWLock);
|
||
JMPNext();
|
||
}
|
||
ENDBOp();
|
||
}
|
||
|
||
dospy:
|
||
{
|
||
PredEntry *pe = PredFromDefCode(PREG);
|
||
BEGD(d0);
|
||
d0 = pe->ArityOfPE;
|
||
/* save S for ModuleName */
|
||
if (d0 == 0) {
|
||
H[1] = MkAtomTerm((Atom) pe->FunctorOfPred);
|
||
} else {
|
||
*H = (CELL) pe->FunctorOfPred;
|
||
H[d0 + 2] = AbsAppl(H);
|
||
H++;
|
||
BEGP(pt1);
|
||
pt1 = XREGS + 1;
|
||
for (; d0 > 0; --d0) {
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = pt1++;
|
||
d1 = *pt0;
|
||
deref_head(d1, dospy_unk);
|
||
dospy_nonvar:
|
||
/* just copy it to the heap */
|
||
*H++ = d1;
|
||
continue;
|
||
|
||
derefa_body(d1, pt0, dospy_unk, dospy_nonvar);
|
||
if (pt0 <= H) {
|
||
/* variable is safe */
|
||
*H++ = (CELL)pt0;
|
||
} else {
|
||
/* bind it, in case it is a local variable */
|
||
d1 = Unsigned(H);
|
||
RESET_VARIABLE(H);
|
||
H += 1;
|
||
Bind_Local(pt0, d1);
|
||
}
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
}
|
||
ENDP(pt1);
|
||
}
|
||
ENDD(d0);
|
||
H[0] = Module_Name((CODEADDR)pe);
|
||
}
|
||
ARG1 = (Term) AbsPair(H);
|
||
H += 2;
|
||
BEGP(pt0);
|
||
pt0 = (CELL *) (Unsigned(SpyCode) - sizeof(SMALLUNSGN));
|
||
PREG = (yamop *) PredCode(pt0);
|
||
CACHE_A1();
|
||
ENDP(pt0);
|
||
JMPNext();
|
||
|
||
/************************************************************************\
|
||
* Try / Retry / Trust for main indexing blocks *
|
||
\************************************************************************/
|
||
|
||
BOp(try_clause, ld);
|
||
check_trail();
|
||
CACHE_Y(Y);
|
||
/* Point AP to the code that follows this instruction */
|
||
store_at_least_one_arg(PREG->u.ld.s);
|
||
store_yaam_regs(NEXTOP(PREG, ld), 0);
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
set_cut(S_Y, B);
|
||
B = B_Y;
|
||
#ifdef YAPOR
|
||
SCH_set_load(B_Y);
|
||
#endif /* YAPOR */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
/* do a jump, but make sure the alternative pointer is set to
|
||
point to the next instruction */
|
||
BOp(try_in, l);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_new_alternative(PREG, NEXTOP(PREG,l));
|
||
} else
|
||
#endif /* YAPOR */
|
||
B->cp_ap = NEXTOP(PREG,l);
|
||
PREG = (yamop *) (PREG->u.l.l);
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(retry, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(NEXTOP(PREG, ld));
|
||
restore_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(trust_in, ldl);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ldl.bl);
|
||
restore_at_least_one_arg(PREG->u.ldl.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = (yamop *) (PREG->u.ldl.d);
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
BOp(trust, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
restore_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
pop_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
JMPNext();
|
||
ENDBOp();
|
||
|
||
/************************************************************************\
|
||
* retry_first and trust_first go straight to the first arg. *
|
||
\************************************************************************/
|
||
|
||
/* relies on an extra S */
|
||
BOp(retry_first, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(NEXTOP(PREG, ld));
|
||
restore_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
/* der it first */
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
deref_head(d0,retry_first_unk);
|
||
retry_first_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0);
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0,"argument to retry_first is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
SREG = RepAppl(d0)+1;
|
||
JMPNext();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, retry_first_unk, retry_first_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, d0, "unbound argument to retry_first");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
|
||
/* just like retry_first, but set B->cp_ap to point to the
|
||
beginning of the next group */
|
||
BOp(trust_first_in, ldl);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ldl.bl);
|
||
restore_at_least_one_arg(PREG->u.ldl.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
/* deref it first */
|
||
PREG = (yamop *) (PREG->u.lds.d);
|
||
deref_head(d0,trust_first_in_unk);
|
||
trust_first_in_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0);
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "argument to trust_first_in is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
SREG = RepAppl(d0)+1;
|
||
JMPNext();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, trust_first_in_unk, trust_first_in_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, d0,"unbound argument to trust_first_in");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
/* recover S and avoid doing a get_list or get_struct */
|
||
BOp(trust_first, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
restore_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
pop_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
/* deref it first */
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
deref_head(d0,trust_first_unk);
|
||
trust_first_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0);
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR,d0,"argument to trust_first is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
SREG = RepAppl(d0)+1;
|
||
JMPNext();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, trust_first_unk, trust_first_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR,(CELL)pt0,"argument to trust_first is a variable");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
|
||
/************************************************************************\
|
||
* retry_tail and trust_tail go straight to the tail of a list *
|
||
\************************************************************************/
|
||
|
||
/* relies on an extra S */
|
||
BOp(retry_tail, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(NEXTOP(PREG, ld));
|
||
restore_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
/* deref it first */
|
||
deref_head(d0,retry_tail_unk);
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
retry_tail_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0)+1;
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR,d0,"argument to retry_tail is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
#ifdef DEBUG
|
||
/* this should never happen */
|
||
PREG = Error(SYSTEM_ERROR,d0,"argument to retry_tail is a compound term");
|
||
JMPNext();
|
||
#endif
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, retry_tail_unk, retry_tail_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR,(CELL)pt0,"unbound argument to retry_tail");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
|
||
/* just like retry_tail, but set B->cp_ap to point to the
|
||
beginning of the next group */
|
||
BOp(trust_tail_in, ldl);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ldl.bl);
|
||
restore_at_least_one_arg(PREG->u.ldl.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
/* deref it first */
|
||
PREG = (yamop *) (PREG->u.lds.d);
|
||
deref_head(d0,trust_tail_in_unk);
|
||
trust_tail_in_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0)+1;
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "argument to trust_tail_in is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, d0, "argument to trust_tail_in is a compound term");
|
||
JMPNext();
|
||
#endif
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, trust_tail_in_unk, trust_tail_in_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, (CELL)pt0, "unbound argument to trust_tail_in");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
/* recover S and avoid doing a get_list or get_struct */
|
||
BOp(trust_tail, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
restore_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
pop_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
/* deref it first */
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
deref_head(d0,trust_tail_unk);
|
||
trust_tail_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0)+1;
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "argument to trust_tail is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
#ifdef DEBUG
|
||
/* this should ever happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "argument to trust_tail is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, trust_tail_unk, trust_tail_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, (CELL)pt0, "unbound argument to trust_tail");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
|
||
/************************************************************************\
|
||
* retry_head and trust_head assume the first argument is known *
|
||
\************************************************************************/
|
||
|
||
/* retry an instruction, and avoid a get and unify */
|
||
BOp(retry_head, ld);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(NEXTOP(PREG, ld));
|
||
restore_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
d0 = ARG1;
|
||
/* deref it first */
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
deref_head(d0,retry_head_unk);
|
||
retry_head_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
pt0 = RepPair(d0);
|
||
/* get the head of the list or the first argument of the struct */
|
||
d0 = *pt0;
|
||
inner_retry_head:
|
||
/* inform that we were reading a structure or list */
|
||
SP[-1] = (CELL)(pt0+1);
|
||
SP[-2] = READ_MODE;
|
||
SP -= 2;
|
||
deref_head(d0,retry_head_first_unk);
|
||
retry_head_first_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
SREG = RepPair(d0);
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "constant argument to retry_head");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
SREG = RepAppl(d0)+1;
|
||
JMPNext();
|
||
}
|
||
|
||
deref_body(d0, pt0, retry_head_first_unk, retry_head_first_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, (CELL)pt0, "unbound argument to retry_head");
|
||
JMPNext();
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "constant argument to retry_head");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
pt0 = RepAppl(d0)+1;
|
||
d0 = *pt0;
|
||
goto inner_retry_head;
|
||
}
|
||
|
||
deref_body(d0, pt0, retry_head_unk, retry_head_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, (CELL)pt0, "unbound argument to retry_head");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
/* This is a retry head that closes a subblock */
|
||
BOp(trust_head_in, ldl);
|
||
CACHE_Y(B);
|
||
restore_yaam_regs(PREG->u.ldl.bl);
|
||
restore_at_least_one_arg(PREG->u.ldl.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
set_cut(S_Y, B->cp_b);
|
||
#else
|
||
set_cut(S_Y, B_Y->cp_b);
|
||
#endif /* FROZEN_REGS */
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
d0 = ARG1;
|
||
/* deref it first */
|
||
PREG = (yamop *) (PREG->u.ldl.d);
|
||
deref_head(d0,trust_head_in_unk);
|
||
trust_head_in_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
pt0 = RepPair(d0);
|
||
/* get the head of the list or the first argument of the struct */
|
||
d0 = *pt0;
|
||
inner_trust_head_in:
|
||
/* inform that we were reading a structure or list */
|
||
SP[-1] = (CELL)(pt0+1);
|
||
SP[-2] = READ_MODE;
|
||
SP -= 2;
|
||
deref_head(d0,trust_head_in_first_unk);
|
||
trust_head_in_first_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
SREG = RepPair(d0);
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "head of argument to trust_head_in is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
SREG = RepAppl(d0)+1;
|
||
JMPNext();
|
||
}
|
||
|
||
deref_body(d0, pt0, trust_head_in_first_unk, trust_head_in_first_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, d0, "head of argument to trust_head_in is unbound");
|
||
JMPNext();
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "argument to trust_head_in is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
pt0 = RepAppl(d0)+1;
|
||
d0 = *pt0;
|
||
goto inner_trust_head_in;
|
||
}
|
||
|
||
deref_body(d0, pt0, trust_head_in_unk, trust_head_in_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, d0, "unbound argument to trust_head_in");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
|
||
BOp(trust_head, ld);
|
||
CACHE_Y(B);
|
||
#ifdef YAPOR
|
||
if (SCH_top_shared_cp(B)) {
|
||
SCH_last_alternative(PREG, B_Y);
|
||
restore_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B->cp_b);
|
||
}
|
||
else
|
||
#endif /* YAPOR */
|
||
{
|
||
pop_yaam_regs();
|
||
pop_at_least_one_arg(PREG->u.ld.s);
|
||
#ifdef FROZEN_REGS
|
||
B_Y = PROTECT_FROZEN_B(B_Y);
|
||
#endif /* FROZEN_REGS */
|
||
set_cut(S_Y, B);
|
||
}
|
||
SET_BB(B_Y);
|
||
ENDCACHE_Y();
|
||
/* recover the value of SREG */
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
d0 = ARG1;
|
||
/* deref it first */
|
||
PREG = (yamop *) (PREG->u.ld.d);
|
||
deref_head(d0,trust_head_unk);
|
||
trust_head_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
pt0 = RepPair(d0);
|
||
/* get the head of the list or the first argument of the struct */
|
||
d0 = *pt0;
|
||
inner_trust_head:
|
||
/* inform that we were reading a structure or list */
|
||
SP[-1] = (CELL)(pt0+1);
|
||
SP[-2] = READ_MODE;
|
||
SP -= 2;
|
||
deref_head(d0,trust_head_first_unk);
|
||
trust_head_first_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
SREG = RepPair(d0);
|
||
JMPNext();
|
||
#ifdef DEBUG
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "head of argument to trust_head is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
SREG = RepAppl(d0)+1;
|
||
JMPNext();
|
||
}
|
||
|
||
deref_body(d0, pt0, trust_head_first_unk, trust_head_first_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, d0, "unbound head of argument to trust_head");
|
||
JMPNext();
|
||
} else if (!IsApplTerm(d0)) {
|
||
/* this should not happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "argument to trust_head is a constant");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
} else {
|
||
/* appl */
|
||
/* pair */
|
||
pt0 = RepAppl(d0)+1;
|
||
d0 = *pt0;
|
||
goto inner_trust_head;
|
||
}
|
||
|
||
deref_body(d0, pt0, trust_head_unk, trust_head_nvar);
|
||
/* this should never happen */
|
||
#ifdef DEBUG
|
||
PREG = Error(SYSTEM_ERROR, d0, "unbound argument to trust_head");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
|
||
/************************************************************************\
|
||
* Indexing in ARG1 *
|
||
\************************************************************************/
|
||
|
||
BOp(switch_on_type, llll);
|
||
BEGD(d0);
|
||
d0 = CACHED_A1();
|
||
deref_head(d0, swt_unk);
|
||
/* nonvar */
|
||
swt_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0);
|
||
PREG = (yamop *) (PREG->u.llll.l1);
|
||
JMPNext();
|
||
}
|
||
else if (!IsApplTerm(d0)) {
|
||
/* constant */
|
||
PREG = (yamop *) (PREG->u.llll.l2);
|
||
I_R = d0;
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* appl */
|
||
PREG = (yamop *) (PREG->u.llll.l3);
|
||
SREG = RepAppl(d0);
|
||
JMPNext();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, swt_unk, swt_nvar);
|
||
/* variable */
|
||
PREG = (yamop *) (PREG->u.llll.l4);
|
||
JMPNext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(switch_on_nonv, lll);
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
deref_head(d0, swnv_unk);
|
||
swnv_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0);
|
||
PREG = (yamop *) (PREG->u.lll.l1);
|
||
JMPNext();
|
||
}
|
||
else if (!IsApplTerm(d0)) {
|
||
/* constant */
|
||
PREG = (yamop *) (PREG->u.lll.l2);
|
||
I_R = d0;
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* appl */
|
||
PREG = (yamop *) (PREG->u.lll.l3);
|
||
SREG = RepAppl(d0);
|
||
JMPNext();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, swnv_unk, swnv_nvar);
|
||
#ifdef DEBUG
|
||
/* This should never happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "unbound argument to switch_nonvar");
|
||
JMPNext();
|
||
#endif
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(jump_if_var, l);
|
||
BEGD(d0);
|
||
d0 = CACHED_A1();
|
||
deref_head(d0, jump_if_unk);
|
||
/* non var */
|
||
jump_if_nonvar:
|
||
PREG = NEXTOP(PREG, l);
|
||
JMPNext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, jump_if_unk, jump_if_nonvar);
|
||
/* variable */
|
||
PREG = (yamop *) (PREG->u.l.l);
|
||
ENDP(pt0);
|
||
JMPNext();
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(if_not_then, cll);
|
||
BEGD(d0);
|
||
d0 = CACHED_A1();
|
||
deref_head(d0, if_n_unk);
|
||
if_n_nvar:
|
||
/* not variable */
|
||
if (d0 == PREG->u.cll.c) {
|
||
/* equal to test value */
|
||
PREG = (yamop *) PREG->u.cll.l2;
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* different from test value */
|
||
/* the case to optimise */
|
||
PREG = (yamop *) PREG->u.cll.l1;
|
||
JMPNext();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, if_n_unk, if_n_nvar);
|
||
ENDP(pt0);
|
||
/* variable */
|
||
PREG = (yamop *) PREG->u.cll.l2;
|
||
JMPNext();
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
/* specialised case where the arguments may be:
|
||
* a list;
|
||
* the empty list;
|
||
* some other atom;
|
||
* a variable;
|
||
*
|
||
*/
|
||
BOp(switch_list_nl, llll);
|
||
BEGD(d0);
|
||
d0 = CACHED_A1();
|
||
#if UNIQUE_TAG_FOR_PAIRS
|
||
deref_list_head(d0, swlnl_unk);
|
||
swlnl_list:
|
||
#else
|
||
deref_head(d0, swlnl_unk);
|
||
/* non variable */
|
||
swlnl_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
#endif
|
||
PREG = (yamop *) (PREG->u.llll.l1);
|
||
SREG = RepPair(d0);
|
||
JMPNext();
|
||
#if UNIQUE_TAG_FOR_PAIRS
|
||
swlnl_nlist:
|
||
if (d0 == TermNil) {
|
||
#else
|
||
}
|
||
else if (d0 == TermNil) {
|
||
#endif
|
||
/* empty list */
|
||
PREG = (yamop *) (PREG->u.llll.l2);
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* appl or constant */
|
||
if (IsApplTerm(d0)) {
|
||
SREG = RepAppl(d0);
|
||
PREG = (yamop *) (PREG->u.llll.l3);
|
||
JMPNext();
|
||
} else {
|
||
I_R = d0;
|
||
PREG = (yamop *) (PREG->u.llll.l3);
|
||
JMPNext();
|
||
}
|
||
}
|
||
|
||
BEGP(pt0);
|
||
#if UNIQUE_TAG_FOR_PAIRS
|
||
swlnl_unk:
|
||
deref_list_body(d0, pt0, swlnl_list, swlnl_nlist);
|
||
#else
|
||
deref_body(d0, pt0, swlnl_unk, swlnl_nvar);
|
||
#endif
|
||
ENDP(pt0);
|
||
/* variable */
|
||
PREG = (yamop *) (PREG->u.llll.l4);
|
||
JMPNext();
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
/* specialised case where the arguments may be:
|
||
* a list;
|
||
* the empty list;
|
||
* some other atom;
|
||
* a variable;
|
||
* and we know where we are jumping to!
|
||
*
|
||
*/
|
||
BOp(switch_list_nl_prefetch, ollll);
|
||
ALWAYS_LOOKAHEAD(PREG->u.ollll.pop);
|
||
BEGD(d0);
|
||
d0 = CACHED_A1();
|
||
#if UNIQUE_TAG_FOR_PAIRS
|
||
deref_list_head(d0, swlnl_unk_p);
|
||
swlnl_list_p:
|
||
{
|
||
#else
|
||
deref_head(d0, swlnl_unk_p);
|
||
/* non variable */
|
||
swlnl_nvar_p:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
#endif
|
||
PREG = (yamop *) (PREG->u.ollll.l1);
|
||
SREG = RepPair(d0);
|
||
ALWAYS_GONext();
|
||
}
|
||
#if UNIQUE_TAG_FOR_PAIRS
|
||
swlnl_nlist_p:
|
||
#endif
|
||
if (d0 == TermNil) {
|
||
/* empty list */
|
||
PREG = (yamop *) (PREG->u.ollll.l2);
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* appl or constant */
|
||
if (IsApplTerm(d0)) {
|
||
SREG = RepAppl(d0);
|
||
PREG = (yamop *) (PREG->u.ollll.l3);
|
||
JMPNext();
|
||
} else {
|
||
I_R = d0;
|
||
PREG = (yamop *) (PREG->u.ollll.l3);
|
||
JMPNext();
|
||
}
|
||
}
|
||
|
||
BEGP(pt0);
|
||
#if UNIQUE_TAG_FOR_PAIRS
|
||
swlnl_unk_p:
|
||
deref_list_body(d0, pt0, swlnl_list_p, swlnl_nlist_p);
|
||
#else
|
||
deref_body(d0, pt0, swlnl_unk_p, swlnl_nvar_p);
|
||
#endif
|
||
ENDP(pt0);
|
||
/* variable */
|
||
PREG = (yamop *) (PREG->u.ollll.l4);
|
||
JMPNext();
|
||
ENDD(d0);
|
||
}
|
||
ENDBOp();
|
||
|
||
BOp(switch_nv_list, lll);
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
deref_head(d0, swnvl_unk);
|
||
swnvl_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0);
|
||
PREG = (yamop *) (PREG->u.lll.l1);
|
||
JMPNext();
|
||
}
|
||
else if (d0 == TermNil) {
|
||
/* empty list */
|
||
PREG = (yamop *) (PREG->u.lll.l2);
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* appl or other constant */
|
||
if (IsApplTerm(d0)) {
|
||
PREG = (yamop *) (PREG->u.lll.l3);
|
||
SREG = RepAppl(d0);
|
||
JMPNext();
|
||
} else {
|
||
PREG = (yamop *) (PREG->u.lll.l3);
|
||
I_R = d0;
|
||
JMPNext();
|
||
}
|
||
ALWAYS_END_PREFETCH();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, swnvl_unk, swnvl_nvar);
|
||
#ifdef DEBUG
|
||
/* This should never happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "switch_nv_list has unbound argument");
|
||
JMPNext();
|
||
#endif /* DEBUG */
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
/************************************************************************\
|
||
* Indexing on ARG1 *
|
||
\************************************************************************/
|
||
|
||
#define HASH_SHIFT 6
|
||
|
||
BOp(switch_on_func, s);
|
||
BEGD(d1);
|
||
d1 = *SREG++;
|
||
/* we use a very simple hash function to find elements in a
|
||
* switch table */
|
||
{
|
||
register CELL
|
||
/* first, calculate the mask */
|
||
Mask = (PREG->u.s.s - 1) << 1, /* next, calculate the hash function */
|
||
hash = d1 >> (HASH_SHIFT - 1) & Mask;
|
||
|
||
PREG = NEXTOP(PREG, s);
|
||
/* PREG now points at the beginning of the hash table */
|
||
BEGP(pt0);
|
||
/* pt0 will always point at the item */
|
||
pt0 = (CELL *) (PREG) + hash;
|
||
BEGD(d0);
|
||
d0 = pt0[0];
|
||
/* a match happens either if we found the value, or if we
|
||
* found an empty slot */
|
||
if (d0 == d1 || d0 == 0) {
|
||
PREG = (yamop *) (pt0[1]);
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* ooops, collision, look for other items */
|
||
register CELL d = ((d1 | 1) << 1) & Mask;
|
||
|
||
while (1) {
|
||
hash = (hash + d) & Mask;
|
||
pt0 = (CELL *) (PREG) + hash;
|
||
d0 = pt0[0];
|
||
if (d0 == d1 || d0 == 0) {
|
||
PREG = (yamop *) pt0[1];
|
||
JMPNext();
|
||
}
|
||
}
|
||
}
|
||
ENDD(d0);
|
||
ENDP(pt0);
|
||
}
|
||
ENDD(d1);
|
||
ENDBOp();
|
||
|
||
BOp(switch_on_cons, s);
|
||
BEGD(d1);
|
||
d1 = I_R;
|
||
/* we use a very simple hash function to find elements in a
|
||
* switch table */
|
||
{
|
||
register CELL
|
||
/* first, calculate the mask */
|
||
Mask = (PREG->u.s.s - 1) << 1, /* next, calculate the hash function */
|
||
hash = d1 >> (HASH_SHIFT - 1) & Mask;
|
||
|
||
PREG = NEXTOP(PREG, s);
|
||
/* PREG now points at the beginning of the hash table */
|
||
BEGP(pt0);
|
||
/* pt0 will always point at the item */
|
||
pt0 = (CELL *) (PREG) + hash;
|
||
BEGD(d0);
|
||
d0 = pt0[0];
|
||
/* a match happens either if we found the value, or if we
|
||
* found an empty slot */
|
||
if (d0 == d1 || d0 == 0) {
|
||
PREG = (yamop *) (pt0[1]);
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* ooops, collision, look for other items */
|
||
register CELL d = ((d1 | 1) << 1) & Mask;
|
||
|
||
while (1) {
|
||
hash = (hash + d) & Mask;
|
||
pt0 = (CELL *) (PREG) + hash;
|
||
d0 = pt0[0];
|
||
if (d0 == d1 || d0 == 0) {
|
||
PREG = (yamop *) pt0[1];
|
||
JMPNext();
|
||
}
|
||
}
|
||
}
|
||
ENDD(d0);
|
||
ENDP(pt0);
|
||
}
|
||
ENDD(d1);
|
||
ENDBOp();
|
||
|
||
BOp(go_on_func, fll);
|
||
BEGD(d0);
|
||
d0 = *SREG++;
|
||
if (d0 == (CELL) (PREG->u.fll.f)) {
|
||
PREG = (yamop *) (PREG->u.fll.l1);
|
||
JMPNext();
|
||
}
|
||
else {
|
||
PREG = (yamop *) (PREG->u.fll.l2);
|
||
JMPNext();
|
||
}
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(go_on_cons, cll);
|
||
BEGD(d0);
|
||
d0 = I_R;
|
||
if (d0 == PREG->u.cll.c) {
|
||
PREG = (yamop *) (PREG->u.cll.l1);
|
||
JMPNext();
|
||
}
|
||
else {
|
||
PREG = (yamop *) (PREG->u.cll.l2);
|
||
JMPNext();
|
||
}
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(if_func, sl);
|
||
BEGD(d1);
|
||
d1 = *SREG++;
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
d0 = PREG->u.sl.s;
|
||
pt0 = (CELL *) NEXTOP(PREG, sl);
|
||
while (d0-- > 0) {
|
||
if (pt0[0] == d1) {
|
||
PREG = (yamop *) (pt0[1]);
|
||
JMPNext();
|
||
}
|
||
else
|
||
pt0 += 2;
|
||
}
|
||
PREG = (yamop *) (PREG->u.sl.l);
|
||
JMPNext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDD(d1);
|
||
ENDBOp();
|
||
|
||
BOp(if_cons, sl);
|
||
BEGD(d1);
|
||
d1 = I_R;
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
d0 = PREG->u.sl.s;
|
||
pt0 = (CELL *) NEXTOP(PREG, sl);
|
||
while (d0-- > 0) {
|
||
if (pt0[0] == d1) {
|
||
PREG = (yamop *) (pt0[1]);
|
||
JMPNext();
|
||
}
|
||
else
|
||
pt0 += 2;
|
||
}
|
||
PREG = (yamop *) (PREG->u.sl.l);
|
||
JMPNext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDD(d1);
|
||
ENDBOp();
|
||
|
||
/************************************************************************\
|
||
* Indexing on the Head of a list *
|
||
\************************************************************************/
|
||
|
||
BOp(switch_on_head, llll);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = SREG;
|
||
d0 = *pt0;
|
||
deref_head(d0, swh_unk);
|
||
/* nonvar */
|
||
swh_nvar:
|
||
/* advance S if not a list */
|
||
++SREG;
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
PREG = (yamop *) (PREG->u.llll.l1);
|
||
/* push: we are entering within a list */
|
||
SP[-1] = (CELL) SREG;
|
||
SP[-2] = READ_MODE;
|
||
SP -= 2;
|
||
SREG = RepPair(d0);
|
||
JMPNext();
|
||
}
|
||
else if (!IsApplTerm(d0)) {
|
||
/* constant */
|
||
PREG = (yamop *) (PREG->u.llll.l2);
|
||
I_R = d0;
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* appl */
|
||
/* jump */
|
||
PREG = (yamop *) (PREG->u.llll.l3);
|
||
/* push: we are entering the compound term */
|
||
SP[-1] = (CELL) SREG;
|
||
SP[-2] = READ_MODE;
|
||
SP -= 2;
|
||
SREG = RepAppl(d0);
|
||
JMPNext();
|
||
}
|
||
|
||
derefa_body(d0, pt0, swh_unk, swh_nvar);
|
||
ENDP(pt0);
|
||
/* variable */
|
||
PREG = (yamop *) (PREG->u.llll.l4);
|
||
JMPNext();
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
/************************************************************************\
|
||
* Switch for final block, we know the information is in a choicepoint *
|
||
\************************************************************************/
|
||
BOp(switch_last, slll);
|
||
BEGD(d0);
|
||
d0 = B->cp_a1;
|
||
deref_head(d0, swl_unk);
|
||
swl_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0);
|
||
PREG = (yamop *) (PREG->u.slll.l1);
|
||
JMPNext();
|
||
}
|
||
else if (!IsApplTerm(d0)) {
|
||
/* constant */
|
||
PREG = (yamop *) (PREG->u.slll.l2);
|
||
I_R = d0;
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* appl */
|
||
PREG = (yamop *) (PREG->u.slll.l3);
|
||
SREG = RepAppl(d0);
|
||
JMPNext();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, swl_unk, swl_nvar);
|
||
#ifdef DEBUG
|
||
/* This should never happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "switch_last has unbound argument");
|
||
JMPNext();
|
||
#endif
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(switch_l_list, slll);
|
||
BEGD(d0);
|
||
d0 = B->cp_a1;
|
||
deref_head(d0, swll_unk);
|
||
swll_nvar:
|
||
if (IsPairTerm(d0)) {
|
||
/* pair */
|
||
SREG = RepPair(d0);
|
||
PREG = (yamop *) (PREG->u.slll.l1);
|
||
JMPNext();
|
||
}
|
||
else if (d0 == TermNil) {
|
||
/* empty list */
|
||
PREG = (yamop *) (PREG->u.slll.l2);
|
||
JMPNext();
|
||
}
|
||
else {
|
||
/* anything else */
|
||
if (IsApplTerm(d0)) {
|
||
PREG = (yamop *) (PREG->u.slll.l3);
|
||
SREG = RepAppl(d0);
|
||
JMPNext();
|
||
} else {
|
||
PREG = (yamop *) (PREG->u.slll.l3);
|
||
I_R = d0;
|
||
JMPNext();
|
||
}
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, swll_unk, swll_nvar);
|
||
#ifdef DEBUG
|
||
/* This should never happen */
|
||
PREG = Error(SYSTEM_ERROR, d0, "switch_l_list has unbound argument");
|
||
JMPNext();
|
||
#endif
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
/************************************************************************\
|
||
* Basic Primitive Predicates *
|
||
\************************************************************************/
|
||
|
||
Op(p_atom_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, atom_x_unk);
|
||
atom_x_nvar:
|
||
if (IsAtomTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, atom_x_unk, atom_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_atom_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, atom_y_unk);
|
||
atom_y_nvar:
|
||
if (IsAtomTerm(d0)) {
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
derefa_body(d0, pt0, atom_y_unk, atom_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_atomic_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, atomic_x_unk);
|
||
atomic_x_nvar:
|
||
/* non variable */
|
||
if (IsAtomicTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, atomic_x_unk, atomic_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_atomic_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, atomic_y_unk);
|
||
atomic_y_nvar:
|
||
/* non variable */
|
||
if (IsAtomicTerm(d0)) {
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
derefa_body(d0, pt0, atomic_y_unk, atomic_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_integer_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, integer_x_unk);
|
||
integer_x_nvar:
|
||
/* non variable */
|
||
if (IsIntTerm(d0) || IsLargeIntTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, integer_x_unk, integer_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_integer_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, integer_y_unk);
|
||
integer_y_nvar:
|
||
/* non variable */
|
||
if (IsIntTerm(d0) || IsLargeIntTerm(d0)) {
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
derefa_body(d0, pt0, integer_y_unk, integer_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_nonvar_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, nonvar_x_unk);
|
||
nonvar_x_nvar:
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, nonvar_x_unk, nonvar_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_nonvar_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, nonvar_y_unk);
|
||
nonvar_y_nvar:
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
|
||
derefa_body(d0, pt0, nonvar_y_unk, nonvar_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_number_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, number_x_unk);
|
||
number_x_nvar:
|
||
/* non variable */
|
||
if (IsNumTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, number_x_unk, number_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_number_y, x);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, number_y_unk);
|
||
number_y_nvar:
|
||
/* non variable */
|
||
if (IsNumTerm(d0)) {
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
derefa_body(d0, pt0, number_y_unk, number_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_var_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, var_x_unk);
|
||
var_x_nvar:
|
||
/* non variable */
|
||
FAIL();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, var_x_unk, var_x_nvar);
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_var_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, var_y_unk);
|
||
var_y_nvar:
|
||
/* non variable */
|
||
FAIL();
|
||
|
||
derefa_body(d0, pt0, var_y_unk, var_y_nvar);
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_db_ref_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, dbref_x_unk);
|
||
dbref_x_nvar:
|
||
/* non variable */
|
||
if (IsDBRefTerm(d0)) {
|
||
/* only allow references to the database, not general references
|
||
* to go through. */
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, dbref_x_unk, dbref_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_db_ref_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, dbref_y_unk);
|
||
dbref_y_nvar:
|
||
/* non variable */
|
||
if (IsDBRefTerm(d0)) {
|
||
/* only allow references to the database, not general references
|
||
* to go through. */
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
derefa_body(d0, pt0, dbref_y_unk, dbref_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_primitive_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, primi_x_unk);
|
||
primi_x_nvar:
|
||
/* non variable */
|
||
if (IsPrimitiveTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, primi_x_unk, primi_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_primitive_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, primi_y_unk);
|
||
primi_y_nvar:
|
||
/* non variable */
|
||
if (IsPrimitiveTerm(d0)) {
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
derefa_body(d0, pt0, primi_y_unk, primi_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_compound_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, compound_x_unk);
|
||
compound_x_nvar:
|
||
/* non variable */
|
||
if (IsPairTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else if (IsApplTerm(d0)) {
|
||
if (IsExtensionFunctor(FunctorOfTerm(d0))) {
|
||
FAIL();
|
||
}
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, compound_x_unk, compound_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_compound_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, compound_y_unk);
|
||
compound_y_nvar:
|
||
/* non variable */
|
||
if (IsPairTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else if (IsApplTerm(d0)) {
|
||
if (IsExtensionFunctor(FunctorOfTerm(d0))) {
|
||
FAIL();
|
||
}
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
else {
|
||
FAIL();
|
||
}
|
||
|
||
derefa_body(d0, pt0, compound_y_unk, compound_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_float_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, float_x_unk);
|
||
float_x_nvar:
|
||
/* non variable */
|
||
if (IsFloatTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
FAIL();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, float_x_unk, float_x_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_float_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, float_y_unk);
|
||
float_y_nvar:
|
||
/* non variable */
|
||
if (IsFloatTerm(d0)) {
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
}
|
||
FAIL();
|
||
|
||
derefa_body(d0, pt0, float_y_unk, float_y_nvar);
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_cut_by_x, x);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.x.x);
|
||
deref_head(d0, cutby_x_unk);
|
||
cutby_x_nvar:
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
if (!IsIntegerTerm(d0)) {
|
||
#else
|
||
if (!IsIntTerm(d0)) {
|
||
#endif
|
||
FAIL();
|
||
}
|
||
BEGCHO(pt0);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
pt0 = (choiceptr)IntegerOfTerm(d0);
|
||
#else
|
||
pt0 = (choiceptr)(LCL0-IntOfTerm(d0));
|
||
#endif
|
||
if (TopB != NULL && YOUNGER_CP(TopB,pt0)) {
|
||
pt0 = TopB;
|
||
if (DelayedB == NULL || YOUNGER_CP(pt0,DelayedB))
|
||
DelayedB = pt0;
|
||
}
|
||
/* find where to cut to */
|
||
#ifdef YAPOR
|
||
if (SHOULD_CUT_UP_TO(B,pt0)) {
|
||
/* Wow, we're gonna cut!!! */
|
||
CUT_prune_to(pt0);
|
||
#else
|
||
if (SHOULD_CUT_UP_TO(B,pt0)) {
|
||
/* Wow, we're gonna cut!!! */
|
||
B = pt0;
|
||
#endif /* YAPOR */
|
||
HBREG = PROTECT_FROZEN_H(B);
|
||
trim_trail();
|
||
}
|
||
ENDCHO(pt0);
|
||
PREG = NEXTOP(PREG, x);
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, cutby_x_unk, cutby_x_nvar);
|
||
ENDP(pt1);
|
||
/* never cut to a variable */
|
||
/* Abort */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_cut_by_y, y);
|
||
BEGD(d0);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.y.y;
|
||
d0 = *pt0;
|
||
deref_head(d0, cutby_y_unk);
|
||
cutby_y_nvar:
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
if (!IsIntegerTerm(d0)) {
|
||
#else
|
||
if (!IsIntTerm(d0)) {
|
||
#endif
|
||
FAIL();
|
||
}
|
||
/* find where to cut to */
|
||
BEGCHO(pt1);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
pt1 = (choiceptr)IntegerOfTerm(d0);
|
||
#else
|
||
pt1 = (choiceptr)(LCL0-IntOfTerm(d0));
|
||
#endif
|
||
if (TopB != NULL && YOUNGER_CP(TopB,pt1)) {
|
||
pt1 = TopB;
|
||
if (DelayedB == NULL || YOUNGER_CP(pt1,DelayedB))
|
||
DelayedB = pt1;
|
||
}
|
||
if (SHOULD_CUT_UP_TO(B,pt1)) {
|
||
/* Wow, we're gonna cut!!! */
|
||
#ifdef YAPOR
|
||
CUT_prune_to(pt1);
|
||
#else
|
||
B = pt1;
|
||
#endif /* YAPOR */
|
||
HBREG = PROTECT_FROZEN_H(B);
|
||
trim_trail();
|
||
}
|
||
PREG = NEXTOP(PREG, y);
|
||
GONext();
|
||
ENDCHO(pt1);
|
||
|
||
derefa_body(d0, pt0, cutby_y_unk, cutby_y_nvar);
|
||
/* never cut to a variable */
|
||
/* Abort */
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_plus_vv, xxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, plus_vv_unk);
|
||
plus_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, plus_vv_nvar_unk);
|
||
plus_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) + IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_plus(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, plus_vv_unk, plus_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A+B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, plus_vv_nvar_unk, plus_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A+B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_plus_vc, xxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, plus_vc_unk);
|
||
plus_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.xxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) + d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_plus(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, plus_vc_unk, plus_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A+B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_plus_y_vv, yxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, plus_y_vv_unk);
|
||
plus_y_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, plus_y_vv_nvar_unk);
|
||
plus_y_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) + IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_plus(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, plus_y_vv_unk, plus_y_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A+B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, plus_y_vv_nvar_unk, plus_y_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A+B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_plus_y_vc, yxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, plus_y_vc_unk);
|
||
plus_y_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.yxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) + d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_plus(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, plus_y_vc_unk, plus_y_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A+B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_minus_vv, xxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, minus_vv_unk);
|
||
minus_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, minus_vv_nvar_unk);
|
||
minus_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) - IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_minus(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, minus_vv_unk, minus_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A-B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, minus_vv_nvar_unk, minus_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A-B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_minus_cv, xxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, minus_cv_unk);
|
||
minus_cv_nvar:
|
||
{
|
||
Int d1 = PREG->u.xxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(d1 - IntOfTerm(d0));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_minus(MkIntegerTerm(d1),d0);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, minus_cv_unk, minus_cv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A-B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_minus_y_vv, yxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, minus_y_vv_unk);
|
||
minus_y_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, minus_y_vv_nvar_unk);
|
||
minus_y_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) - IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_minus(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, minus_y_vv_unk, minus_y_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A-B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, minus_y_vv_nvar_unk, minus_y_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A-B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_minus_y_cv, ycx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.ycx.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, minus_y_cv_unk);
|
||
minus_y_cv_nvar:
|
||
{
|
||
Int d1 = PREG->u.ycx.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(d1 - IntOfTerm(d0));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_minus(MkIntegerTerm(d1), d0);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.ycx.y;
|
||
PREG = NEXTOP(PREG, ycx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, minus_y_cv_unk, minus_y_cv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A-B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_times_vv, xxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, times_vv_unk);
|
||
times_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, times_vv_nvar_unk);
|
||
times_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = times_int(IntOfTerm(d0), IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_times(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, times_vv_unk, times_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A*B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, times_vv_nvar_unk, times_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A*B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_times_vc, xxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, times_vc_unk);
|
||
times_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.xxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = times_int(IntOfTerm(d0), d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_times(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, times_vc_unk, times_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A*B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_times_y_vv, yxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, times_y_vv_unk);
|
||
times_y_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, times_y_vv_nvar_unk);
|
||
times_y_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = times_int(IntOfTerm(d0), IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_times(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, times_y_vv_unk, times_y_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A*B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, times_y_vv_nvar_unk, times_y_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A*B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_times_y_vc, yxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, times_y_vc_unk);
|
||
times_y_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.yxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = times_int(IntOfTerm(d0), d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_times(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, times_y_vc_unk, times_y_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A*B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_div_vv, xxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, div_vv_unk);
|
||
div_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, div_vv_nvar_unk);
|
||
div_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
Int div = IntOfTerm(d1);
|
||
if (div == 0) {
|
||
Error(EVALUATION_ERROR_ZERO_DIVISOR,TermNil,"// /2");
|
||
FAIL();
|
||
}
|
||
d0 = MkIntTerm(IntOfTerm(d0) / div);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_div(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, div_vv_unk, div_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A//B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, div_vv_nvar_unk, div_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A//B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_div_vc, xcx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xcx.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, div_vc_unk);
|
||
div_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.xcx.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntTerm(IntOfTerm(d0) / d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_div(d0,MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xcx.x) = d0;
|
||
PREG = NEXTOP(PREG, xcx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, div_vc_unk, div_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A//B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_div_cv, xxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, div_cv_unk);
|
||
div_cv_nvar:
|
||
{
|
||
Int d1 = PREG->u.xxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
Int div = IntOfTerm(d0);
|
||
if (div == 0){
|
||
Error(EVALUATION_ERROR_ZERO_DIVISOR,TermNil,"// /2");
|
||
FAIL();
|
||
}
|
||
d0 = MkIntegerTerm(d1 / div);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_div(MkIntegerTerm(d1),d0);
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, div_cv_unk, div_cv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A//B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_div_y_vv, yxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, div_y_vv_unk);
|
||
div_y_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, div_y_vv_nvar_unk);
|
||
div_y_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
Int div = IntOfTerm(d1);
|
||
if (div == 0) {
|
||
Error(EVALUATION_ERROR_ZERO_DIVISOR,TermNil,"// /2");
|
||
FAIL();
|
||
}
|
||
d0 = MkIntTerm(IntOfTerm(d0) / div);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_div(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, div_y_vv_unk, div_y_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A//B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, div_y_vv_nvar_unk, div_y_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A//B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_div_y_vc, yxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.ycx.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, div_y_vc_unk);
|
||
div_y_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.ycx.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntTerm(IntOfTerm(d0)/d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_div(d0,MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, div_y_vc_unk, div_y_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A//B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_div_y_cv, ycx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.ycx.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, div_y_cv_unk);
|
||
div_y_cv_nvar:
|
||
{
|
||
Int d1 = PREG->u.ycx.c;
|
||
if (IsIntTerm(d0)) {
|
||
Int div = IntOfTerm(d0);
|
||
if (div == 0) {
|
||
Error(EVALUATION_ERROR_ZERO_DIVISOR,TermNil,"// /2");
|
||
FAIL();
|
||
}
|
||
d0 = MkIntegerTerm(d1 / div);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_div(MkIntegerTerm(d1), d0);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.ycx.y;
|
||
PREG = NEXTOP(PREG, ycx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, div_y_cv_unk, div_y_cv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A//B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
|
||
Op(p_and_vv, xxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, and_vv_unk);
|
||
and_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, and_vv_nvar_unk);
|
||
and_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) & IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_and(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, and_vv_unk, and_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A/\\B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, and_vv_nvar_unk, and_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A/\\B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_and_vc, xxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, and_vc_unk);
|
||
and_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.xxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) & d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_and(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, and_vc_unk, and_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A/\\B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_and_y_vv, yxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, and_y_vv_unk);
|
||
and_y_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, and_y_vv_nvar_unk);
|
||
and_y_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) & IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_and(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, and_y_vv_unk, and_y_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A/\\B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, and_y_vv_nvar_unk, and_y_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A/\\B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_and_y_vc, yxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, and_y_vc_unk);
|
||
and_y_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.yxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) & d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_and(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, and_y_vc_unk, and_y_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A/\\B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
|
||
Op(p_or_vv, xxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, or_vv_unk);
|
||
or_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, or_vv_nvar_unk);
|
||
or_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) | IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_or(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, or_vv_unk, or_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A\\/B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, or_vv_nvar_unk, or_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A\\/B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_or_vc, xxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, or_vc_unk);
|
||
or_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.xxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) | d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_or(d0, MkIntegerTerm(d1));
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, or_vc_unk, or_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A\\/B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_or_y_vv, yxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, or_y_vv_unk);
|
||
or_y_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, or_y_vv_nvar_unk);
|
||
or_y_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) | IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_or(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, or_y_vv_unk, or_y_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A\\/B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, or_y_vv_nvar_unk, or_y_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A\\/B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_or_y_vc, yxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, or_y_vc_unk);
|
||
or_y_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.yxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) | d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_or(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, or_y_vc_unk, or_y_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A\\/B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_sll_vv, xxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, sll_vv_unk);
|
||
sll_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, sll_vv_nvar_unk);
|
||
sll_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) << IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_sll(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, sll_vv_unk, sll_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A<<B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, sll_vv_nvar_unk, sll_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A<<B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_sll_vc, xxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, sll_vc_unk);
|
||
sll_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.xxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) << d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_sll(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, sll_vc_unk, sll_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A<<B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_sll_cv, xcx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xcx.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, sll_cv_unk);
|
||
sll_cv_nvar:
|
||
{
|
||
Int d1 = PREG->u.xcx.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(d1 << IntOfTerm(d0));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_sll(MkIntegerTerm(d1), d0);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xcx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, sll_cv_unk, sll_cv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A<<B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_sll_y_vv, yxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, sll_y_vv_unk);
|
||
sll_y_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, sll_y_vv_nvar_unk);
|
||
sll_y_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) << IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_sll(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, sll_y_vv_unk, sll_y_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A<<B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, sll_y_vv_nvar_unk, sll_y_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A<<B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_sll_y_vc, yxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, sll_y_vc_unk);
|
||
sll_y_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.yxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) << d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_sll(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, sll_y_vc_unk, sll_y_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A<<B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
|
||
Op(p_sll_y_cv, ycx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.ycx.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, sll_y_cv_unk);
|
||
sll_y_cv_nvar:
|
||
{
|
||
Int d1 = PREG->u.ycx.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(d1 << IntOfTerm(d0));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_sll(MkIntegerTerm(d1), d0);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.ycx.y;
|
||
PREG = NEXTOP(PREG, ycx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, sll_y_cv_unk, sll_y_cv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A<<B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_slr_vv, xxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, slr_vv_unk);
|
||
slr_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, slr_vv_nvar_unk);
|
||
slr_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) >> IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_slr(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, slr_vv_unk, slr_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A>>B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, slr_vv_nvar_unk, slr_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A>>B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_slr_vc, xxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, slr_vc_unk);
|
||
slr_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.xxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) >> d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_slr(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, slr_vc_unk, slr_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A>>B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_slr_cv, xcx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xcx.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, slr_cv_unk);
|
||
slr_cv_nvar:
|
||
{
|
||
Int d1 = PREG->u.xcx.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(d1 >> IntOfTerm(d0));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_slr(MkIntegerTerm(d1), d0);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(PREG, xcx);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, slr_cv_unk, slr_cv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A>>B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_slr_y_vv, yxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
/* first check pt1 */
|
||
deref_head(d0, slr_y_vv_unk);
|
||
slr_y_vv_nvar:
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
/* next check A2 */
|
||
deref_head(d1, slr_y_vv_nvar_unk);
|
||
slr_y_vv_nvar_nvar:
|
||
/* d0 and d1 are where I want them */
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) >> IntOfTerm(d1));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_slr(d0, d1);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, slr_y_vv_unk, slr_y_vv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A>>B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, slr_y_vv_nvar_unk, slr_y_vv_nvar_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A>>B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_slr_y_vc, yxc);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxc.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, slr_y_vc_unk);
|
||
slr_y_vc_nvar:
|
||
{
|
||
Int d1 = PREG->u.yxc.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(IntOfTerm(d0) >> d1);
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_slr(d0, MkIntegerTerm(d1));
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, slr_y_vc_unk, slr_y_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A>>B");
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_slr_y_cv, ycx);
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.ycx.xi);
|
||
/* first check pt1 */
|
||
deref_head(d0, slr_y_cv_unk);
|
||
slr_y_cv_nvar:
|
||
{
|
||
Int d1 = PREG->u.ycx.c;
|
||
if (IsIntTerm(d0)) {
|
||
d0 = MkIntegerTerm(d1 >> IntOfTerm(d0));
|
||
}
|
||
else {
|
||
saveregs();
|
||
d0 = p_slr(MkIntegerTerm(d1), d0);
|
||
setregs();
|
||
if (PREG == (yamop *)FAILCODE)
|
||
FAIL();
|
||
}
|
||
}
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.ycx.y;
|
||
PREG = NEXTOP(PREG, ycx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt0,d0);
|
||
#else
|
||
*pt0 = d0;
|
||
#endif
|
||
ENDP(pt0);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, slr_y_cv_unk, slr_y_cv_nvar);
|
||
Error(INSTANTIATION_ERROR, TermNil, "X is A>>B");
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
BOp(call_bfunc_xx, lxx);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = XREG(PREG->u.lxx.x1);
|
||
call_bfunc_xx_nvar:
|
||
d1 = XREG(PREG->u.lxx.x2);
|
||
call_bfunc_xx2_nvar:
|
||
deref_head(d0, call_bfunc_xx_unk);
|
||
deref_head(d1, call_bfunc_xx2_unk);
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
int flags;
|
||
|
||
Int v = IntOfTerm(d0) - IntOfTerm(d1);
|
||
flags = PREG->u.lxx.flags;
|
||
PREG = NEXTOP(PREG, lxx);
|
||
if (v > 0) {
|
||
if (flags & GT_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
} else if (v < 0) {
|
||
if (flags & LT_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
} else /* if (v == 0) */ {
|
||
if (flags & EQ_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
}
|
||
}
|
||
exec_bin_cmp_xx:
|
||
BEGD(d2);
|
||
d2 = (CELL)(PREG->u.lxx.l);
|
||
PREG = NEXTOP(PREG, lxx);
|
||
saveregs();
|
||
d0 = (CELL) (*((Int (*)(CELL, CELL)) d2)) (d0,d1);
|
||
|
||
ENDD(d2);
|
||
setregs();
|
||
if (!d0) {
|
||
FAIL();
|
||
}
|
||
JMPNext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, call_bfunc_xx_unk, call_bfunc_xx_nvar);
|
||
goto exec_bin_cmp_xx;
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, call_bfunc_xx2_unk, call_bfunc_xx2_nvar);
|
||
goto exec_bin_cmp_xx;
|
||
ENDP(pt0);
|
||
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(call_bfunc_yx, lxy);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.lxy.y;
|
||
d1 = XREG(PREG->u.lxy.x);
|
||
d0 = *pt0;
|
||
ENDP(pt0);
|
||
deref_head(d0, call_bfunc_yx_unk);
|
||
call_bfunc_yx_nvar:
|
||
deref_head(d1, call_bfunc_yx2_unk);
|
||
call_bfunc_yx2_nvar:
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
int flags;
|
||
|
||
Int v = IntOfTerm(d0) - IntOfTerm(d1);
|
||
flags = PREG->u.lxy.flags;
|
||
PREG = NEXTOP(PREG, lxy);
|
||
if (v > 0) {
|
||
if (flags & GT_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
} else if (v < 0) {
|
||
if (flags & LT_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
} else /* if (v == 0) */ {
|
||
if (flags & EQ_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
}
|
||
}
|
||
exec_bin_cmp_yx:
|
||
BEGD(d2);
|
||
d2 = (CELL)(PREG->u.lxy.l);
|
||
PREG = NEXTOP(PREG, lxy);
|
||
saveregs();
|
||
d0 = (CELL) (*((Int (*)(CELL, CELL)) d2)) (d0,d1);
|
||
ENDD(d2);
|
||
setregs();
|
||
if (!d0) {
|
||
FAIL();
|
||
}
|
||
JMPNext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, call_bfunc_yx_unk, call_bfunc_yx_nvar);
|
||
goto exec_bin_cmp_yx;
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, call_bfunc_yx2_unk, call_bfunc_yx2_nvar);
|
||
goto exec_bin_cmp_yx;
|
||
ENDP(pt0);
|
||
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(call_bfunc_xy, lxy);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.lxy.y;
|
||
d0 = XREG(PREG->u.lxy.x);
|
||
d1 = *pt0;
|
||
ENDP(pt0);
|
||
deref_head(d0, call_bfunc_xy_unk);
|
||
call_bfunc_xy_nvar:
|
||
deref_head(d1, call_bfunc_xy2_unk);
|
||
call_bfunc_xy2_nvar:
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
int flags;
|
||
|
||
Int v = IntOfTerm(d0) - IntOfTerm(d1);
|
||
flags = PREG->u.lxy.flags;
|
||
PREG = NEXTOP(PREG, lxy);
|
||
if (v > 0) {
|
||
if (flags & GT_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
} else if (v < 0) {
|
||
if (flags & LT_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
} else /* if (v == 0) */ {
|
||
if (flags & EQ_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
}
|
||
}
|
||
exec_bin_cmp_xy:
|
||
BEGD(d2);
|
||
d2 = (CELL)(PREG->u.lxy.l);
|
||
PREG = NEXTOP(PREG, lxy);
|
||
saveregs();
|
||
d0 = (CELL) (*((Int (*)(CELL, CELL)) d2)) (d0,d1);
|
||
ENDD(d2);
|
||
setregs();
|
||
if (!d0) {
|
||
FAIL();
|
||
}
|
||
JMPNext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, call_bfunc_xy_unk, call_bfunc_xy_nvar);
|
||
goto exec_bin_cmp_xy;
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, call_bfunc_xy2_unk, call_bfunc_xy2_nvar);
|
||
goto exec_bin_cmp_xy;
|
||
ENDP(pt0);
|
||
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
BOp(call_bfunc_yy, lyy);
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
BEGP(pt0);
|
||
pt0 = Y + PREG->u.lyy.y1;
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.lyy.y2;
|
||
d0 = *pt0;
|
||
d1 = *pt1;
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
deref_head(d0, call_bfunc_yy_unk);
|
||
call_bfunc_yy_nvar:
|
||
deref_head(d1, call_bfunc_yy2_unk);
|
||
call_bfunc_yy2_nvar:
|
||
if (IsIntTerm(d0) && IsIntTerm(d1)) {
|
||
int flags;
|
||
|
||
Int v = IntOfTerm(d0) - IntOfTerm(d1);
|
||
flags = PREG->u.lyy.flags;
|
||
PREG = NEXTOP(PREG, lyy);
|
||
if (v > 0) {
|
||
if (flags & GT_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
} else if (v < 0) {
|
||
if (flags & LT_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
} else /* if (v == 0) */ {
|
||
if (flags & EQ_OK_IN_CMP) {
|
||
JMPNext();
|
||
} else
|
||
FAIL();
|
||
}
|
||
}
|
||
exec_bin_cmp_yy:
|
||
BEGD(d2);
|
||
d2 = (CELL)(PREG->u.lyy.l);
|
||
PREG = NEXTOP(PREG, lyy);
|
||
saveregs();
|
||
d0 = (CELL) (*((Int (*)(CELL, CELL)) d2)) (d0,d1);
|
||
ENDD(d2);
|
||
setregs();
|
||
if (!d0) {
|
||
FAIL();
|
||
}
|
||
JMPNext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, call_bfunc_yy_unk, call_bfunc_yy_nvar);
|
||
goto exec_bin_cmp_yy;
|
||
ENDP(pt0);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, call_bfunc_yy2_unk, call_bfunc_yy2_nvar);
|
||
goto exec_bin_cmp_yy;
|
||
ENDP(pt0);
|
||
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDBOp();
|
||
|
||
Op(p_equal, e);
|
||
save_hb();
|
||
if (IUnify(ARG1, ARG2) == FALSE) {
|
||
FAIL();
|
||
}
|
||
PREG = NEXTOP(PREG, e);
|
||
GONext();
|
||
ENDOp();
|
||
|
||
Op(p_dif, e);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace)
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("\\="),2)),XREGS+1);
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = ARG1;
|
||
deref_head(d0, dif_unk1);
|
||
dif_nvar1:
|
||
/* first argument is bound */
|
||
d1 = ARG2;
|
||
deref_head(d1, dif_nvar1_unk2);
|
||
dif_nvar1_nvar2:
|
||
/* both arguments are bound */
|
||
if (d0 == d1) {
|
||
FAIL();
|
||
}
|
||
if (IsAtomOrIntTerm(d0) || IsAtomOrIntTerm(d1)) {
|
||
PREG = NEXTOP(PREG, e);
|
||
GONext();
|
||
}
|
||
{
|
||
#ifdef COROUTINING
|
||
/*
|
||
* We may wake up goals during our attempt to unify the
|
||
* two terms. If we are adding to the tail of a list of
|
||
* woken goals that should be ok, but otherwise we need
|
||
* to restore WokenGoals to its previous value.
|
||
*/
|
||
CELL OldWokenGoals = ReadTimedVar(WokenGoals);
|
||
|
||
#endif
|
||
/* We will have to look inside compound terms */
|
||
register tr_fr_ptr pt0;
|
||
/* store the old value of TR for clearing bindings */
|
||
pt0 = TR;
|
||
BEGCHO(pt1);
|
||
pt1 = B;
|
||
/* make B and HB point to H to guarantee all bindings will
|
||
* be trailed
|
||
*/
|
||
HBREG = H;
|
||
B = (choiceptr) H;
|
||
SET_BB(B);
|
||
save_hb();
|
||
if (IUnify(d0, d1) == TRUE) {
|
||
/* restore B, no need to restore HB */
|
||
B = pt1;
|
||
FAIL();
|
||
}
|
||
/* restore B, and later HB */
|
||
PREG = NEXTOP(PREG, e);
|
||
B = pt1;
|
||
SET_BB(PROTECT_FROZEN_B(pt1));
|
||
ENDCHO(pt1);
|
||
/* untrail all bindings made by IUnify */
|
||
while (TR != pt0) {
|
||
BEGD(d1);
|
||
d1 = TrailTerm(--TR);
|
||
#if defined(SBA) && defined(YAPOR)
|
||
/* clean up the trail when we backtrack */
|
||
if (Unsigned((Int)(d1)-(Int)(H_FZ)) >
|
||
Unsigned((Int)(B_FZ)-(Int)(H_FZ))) {
|
||
RESET_VARIABLE(STACK_TO_SBA(d1));
|
||
} else
|
||
#endif
|
||
/* normal variable */
|
||
RESET_VARIABLE(d1);
|
||
ENDD(d1);
|
||
}
|
||
HBREG = B->cp_h;
|
||
#ifdef COROUTINING
|
||
/* now restore Woken Goals to its old value */
|
||
UpdateTimedVar(WokenGoals, OldWokenGoals);
|
||
#endif
|
||
}
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, dif_unk1, dif_nvar1);
|
||
ENDP(pt0);
|
||
/* first argument is unbound */
|
||
FAIL();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, dif_nvar1_unk2, dif_nvar1_nvar2);
|
||
ENDP(pt0);
|
||
/* second argument is unbound */
|
||
FAIL();
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_eq, e);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace)
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("=="),2)),XREGS+1);
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
BEGD(d1);
|
||
d0 = ARG1;
|
||
deref_head(d0, p_eq_unk1);
|
||
p_eq_nvar1:
|
||
/* first argument is bound */
|
||
d1 = ARG2;
|
||
deref_head(d1, p_eq_nvar1_unk2);
|
||
p_eq_nvar1_nvar2:
|
||
/* both arguments are bound */
|
||
if (d0 == d1) {
|
||
PREG = NEXTOP(PREG, e);
|
||
GONext();
|
||
}
|
||
if (IsPairTerm(d0)) {
|
||
if (!IsPairTerm(d1)) {
|
||
FAIL();
|
||
}
|
||
BEGD(d2);
|
||
always_save_pc();
|
||
d2 = iequ_complex(RepPair(d0)-1, RepPair(d0)+1,RepPair(d1)-1);
|
||
if (d2 == FALSE) {
|
||
FAIL();
|
||
}
|
||
ENDD(d2);
|
||
always_set_pc();
|
||
PREG = NEXTOP(PREG, e);
|
||
GONext();
|
||
}
|
||
if (IsApplTerm(d0)) {
|
||
Functor f0 = FunctorOfTerm(d0);
|
||
Functor f1;
|
||
|
||
/* f1 must be a compound term, even if it is a suspension */
|
||
if (!IsApplTerm(d1)) {
|
||
FAIL();
|
||
}
|
||
f1 = FunctorOfTerm(d1);
|
||
|
||
PREG = NEXTOP(PREG, e);
|
||
/* we now know f1 is true */
|
||
/* deref if a compound term */
|
||
if (IsExtensionFunctor(f0)) {
|
||
switch ((CELL)f0) {
|
||
case (CELL)FunctorDBRef:
|
||
if (d0 == d1) GONext();
|
||
FAIL();
|
||
case (CELL)FunctorLongInt:
|
||
if (f1 != FunctorLongInt) FAIL();
|
||
if (LongIntOfTerm(d0) == LongIntOfTerm(d1)) GONext();
|
||
FAIL();
|
||
#ifdef USE_GMP
|
||
case (CELL)FunctorBigInt:
|
||
if (f1 != FunctorBigInt) FAIL();
|
||
if (mpz_cmp(BigIntOfTerm(d0), BigIntOfTerm(d1)) == 0) GONext();
|
||
FAIL();
|
||
#endif
|
||
case (CELL)FunctorDouble:
|
||
if (f1 != FunctorDouble) FAIL();
|
||
if (FloatOfTerm(d0) == FloatOfTerm(d1)) GONext();
|
||
FAIL();
|
||
default:
|
||
FAIL();
|
||
}
|
||
}
|
||
if (f0 != f1) {
|
||
FAIL();
|
||
}
|
||
always_save_pc();
|
||
BEGD(d2);
|
||
d2 = iequ_complex(RepAppl(d0), RepAppl(d0)+ArityOfFunctor(f0), RepAppl(d1));
|
||
if (d2 == FALSE) {
|
||
FAIL();
|
||
}
|
||
ENDD(d2);
|
||
always_set_pc();
|
||
GONext();
|
||
}
|
||
FAIL();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, p_eq_nvar1_unk2, p_eq_nvar1_nvar2);
|
||
ENDP(pt0);
|
||
/* first argument is bound */
|
||
/* second argument is unbound */
|
||
/* I don't need to worry about co-routining because an
|
||
unbound variable may never be == to a constrained variable!! */
|
||
FAIL();
|
||
ENDD(d1);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, p_eq_unk1, p_eq_nvar1);
|
||
BEGD(d1);
|
||
d1 = ARG2;
|
||
deref_head(d1, p_eq_var1_unk2);
|
||
p_eq_var1_nvar2:
|
||
/* I don't need to worry about co-routining because an
|
||
unbound variable may never be == to a constrained variable!! */
|
||
FAIL();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, p_eq_var1_unk2, p_eq_var1_nvar2);
|
||
/* first argument is unbound */
|
||
/* second argument is unbound */
|
||
if (pt1 != pt0) {
|
||
FAIL();
|
||
}
|
||
PREG = NEXTOP(PREG, e);
|
||
GONext();
|
||
ENDP(pt1);
|
||
ENDD(d1);
|
||
ENDP(pt0);
|
||
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_arg_vv, xxx);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
H[0] = XREG(PREG->u.xxx.x1);
|
||
H[1] = XREG(PREG->u.xxx.x2);
|
||
RESET_VARIABLE(H+2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("arg"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
deref_head(d0, arg_arg1_unk);
|
||
arg_arg1_nvar:
|
||
/* ARG1 is ok! */
|
||
if (IsIntTerm(d0))
|
||
d0 = IntOfTerm(d0);
|
||
else if (IsLongIntTerm(d0)) {
|
||
d0 = LongIntOfTerm(d0);
|
||
} else {
|
||
Error(TYPE_ERROR_INTEGER,d0,"arg 1 of arg/3");
|
||
FAIL();
|
||
}
|
||
|
||
/* d0 now got the argument we want */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
deref_head(d1, arg_arg2_unk);
|
||
arg_arg2_nvar:
|
||
/* d1 now got the structure we want to fetch the argument
|
||
* from */
|
||
if (IsApplTerm(d1)) {
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d1);
|
||
d1 = *pt0;
|
||
if (IsExtensionFunctor((Functor) d1)) {
|
||
FAIL();
|
||
}
|
||
if ((Int)d0 <= 0 ||
|
||
d0 > ArityOfFunctor((Functor) d1)) {
|
||
/* don't complain here for Prolog compatibility
|
||
if ((Int)d0 <= 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
|
||
MkIntegerTerm(d0),"arg 1 of arg/3");
|
||
}
|
||
*/
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = pt0[d0];
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
ENDP(pt0);
|
||
}
|
||
else if (IsPairTerm(d1)) {
|
||
BEGP(pt0);
|
||
pt0 = RepPair(d1);
|
||
if (d0 != 1 && d0 != 2) {
|
||
if ((Int)d0 < 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
|
||
MkIntegerTerm(d0),"arg 1 of arg/3");
|
||
}
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxx.x) = pt0[d0-1];
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
ENDP(pt0);
|
||
}
|
||
else {
|
||
Error(TYPE_ERROR_COMPOUND, d1, "arg 2 of arg/3");
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, arg_arg2_unk, arg_arg2_nvar);
|
||
Error(INSTANTIATION_ERROR, d1,"arg 2 of arg/3");;
|
||
ENDP(pt0);
|
||
FAIL();
|
||
ENDD(d1);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, arg_arg1_unk, arg_arg1_nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "arg 1 of arg/3");;
|
||
ENDP(pt0);
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_arg_cv, xxc);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
CELL *Ho = H;
|
||
Term t = MkIntegerTerm(PREG->u.xxc.c);
|
||
H[0] = t;
|
||
H[1] = XREG(PREG->u.xxc.xi);
|
||
RESET_VARIABLE(H+2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("arg"),3)),H);
|
||
H = Ho;
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = PREG->u.xxc.c;
|
||
/* d0 now got the argument we want */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xxc.xi);
|
||
deref_head(d1, arg_arg2_vc_unk);
|
||
arg_arg2_vc_nvar:
|
||
/* d1 now got the structure we want to fetch the argument
|
||
* from */
|
||
if (IsApplTerm(d1)) {
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d1);
|
||
d1 = *pt0;
|
||
if (IsExtensionFunctor((Functor) d1)) {
|
||
FAIL();
|
||
}
|
||
if ((Int)d0 <= 0 ||
|
||
d0 > ArityOfFunctor((Functor) d1)) {
|
||
/* don't complain here for Prolog compatibility
|
||
if ((Int)d0 <= 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
|
||
MkIntegerTerm(d0),"arg 1 of arg/3");
|
||
}
|
||
*/
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxc.x) = pt0[d0];
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
ENDP(pt0);
|
||
}
|
||
else if (IsPairTerm(d1)) {
|
||
BEGP(pt0);
|
||
pt0 = RepPair(d1);
|
||
if (d0 != 1 && d0 != 2) {
|
||
if ((Int)d0 < 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
|
||
MkIntegerTerm(d0),"arg 1 of arg/3");
|
||
}
|
||
FAIL();
|
||
}
|
||
XREG(PREG->u.xxc.x) = pt0[d0-1];
|
||
PREG = NEXTOP(PREG, xxc);
|
||
GONext();
|
||
ENDP(pt0);
|
||
}
|
||
else {
|
||
Error(TYPE_ERROR_COMPOUND, d1, "arg 2 of arg/3");
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, arg_arg2_vc_unk, arg_arg2_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, d1,"arg 2 of arg/3");;
|
||
ENDP(pt0);
|
||
FAIL();
|
||
ENDD(d1);
|
||
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_arg_y_vv, yxx);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
H[0] = XREG(PREG->u.yxx.x1);
|
||
H[1] = XREG(PREG->u.yxx.x2);
|
||
RESET_VARIABLE(H+2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("arg"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
deref_head(d0, arg_y_arg1_unk);
|
||
arg_y_arg1_nvar:
|
||
/* ARG1 is ok! */
|
||
if (IsIntTerm(d0))
|
||
d0 = IntOfTerm(d0);
|
||
else if (IsLongIntTerm(d0)) {
|
||
d0 = LongIntOfTerm(d0);
|
||
} else {
|
||
Error(TYPE_ERROR_INTEGER,d0,"arg 1 of arg/3");
|
||
FAIL();
|
||
}
|
||
|
||
/* d0 now got the argument we want */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.yxx.x2);
|
||
deref_head(d1, arg_y_arg2_unk);
|
||
arg_y_arg2_nvar:
|
||
/* d1 now got the structure we want to fetch the argument
|
||
* from */
|
||
if (IsApplTerm(d1)) {
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d1);
|
||
d1 = *pt0;
|
||
if (IsExtensionFunctor((Functor) d1)) {
|
||
FAIL();
|
||
}
|
||
if ((Int)d0 <= 0 ||
|
||
d0 > ArityOfFunctor((Functor) d1)) {
|
||
/* don't complain here for Prolog compatibility
|
||
if ((Int)d0 <= 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
|
||
MkIntegerTerm(d0),"arg 1 of arg/3");
|
||
}
|
||
*/
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,pt0[d0]);
|
||
#else
|
||
*pt1 = pt0[d0];
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
ENDP(pt0);
|
||
}
|
||
else if (IsPairTerm(d1)) {
|
||
BEGP(pt0);
|
||
pt0 = RepPair(d1);
|
||
if (d0 != 1 && d0 != 2) {
|
||
if ((Int)d0 < 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
|
||
MkIntegerTerm(d0),"arg 1 of arg/3");
|
||
}
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(PREG, yxx);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,pt0[d0-1]);
|
||
#else
|
||
*pt1 = pt0[d0-1];
|
||
#endif
|
||
GONext();
|
||
ENDP(pt1);
|
||
ENDP(pt0);
|
||
}
|
||
else {
|
||
Error(TYPE_ERROR_COMPOUND, d1, "arg 2 of arg/3");
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, arg_y_arg2_unk, arg_y_arg2_nvar);
|
||
Error(INSTANTIATION_ERROR, d1,"arg 2 of arg/3");;
|
||
ENDP(pt0);
|
||
FAIL();
|
||
ENDD(d1);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, arg_y_arg1_unk, arg_y_arg1_nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "arg 1 of arg/3");;
|
||
ENDP(pt0);
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_arg_y_cv, xxc);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
CELL *Ho = H;
|
||
Term t = MkIntegerTerm(PREG->u.yxc.c);
|
||
H[0] = t;
|
||
H[1] = XREG(PREG->u.yxc.xi);
|
||
RESET_VARIABLE(H+2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("arg"),3)),H);
|
||
H = Ho;
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = PREG->u.yxc.c;
|
||
/* d0 now got the argument we want */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.yxc.xi);
|
||
deref_head(d1, arg_y_arg2_vc_unk);
|
||
arg_y_arg2_vc_nvar:
|
||
/* d1 now got the structure we want to fetch the argument
|
||
* from */
|
||
if (IsApplTerm(d1)) {
|
||
BEGP(pt0);
|
||
pt0 = RepAppl(d1);
|
||
d1 = *pt0;
|
||
if (IsExtensionFunctor((Functor) d1)) {
|
||
FAIL();
|
||
}
|
||
if ((Int)d0 <= 0 ||
|
||
d0 > ArityOfFunctor((Functor) d1)) {
|
||
/* don't complain here for Prolog compatibility
|
||
if ((Int)d0 <= 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
|
||
MkIntegerTerm(d0),"arg 1 of arg/3");
|
||
}
|
||
*/
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,pt0[d0]);
|
||
#else
|
||
*pt1 = pt0[d0];
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
ENDP(pt0);
|
||
}
|
||
else if (IsPairTerm(d1)) {
|
||
BEGP(pt0);
|
||
pt0 = RepPair(d1);
|
||
if (d0 != 1 && d0 != 2) {
|
||
if ((Int)d0 < 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,
|
||
MkIntegerTerm(d0),"arg 1 of arg/3");
|
||
}
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(PREG, yxc);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,pt0[d0-1]);
|
||
#else
|
||
*pt1 = pt0[d0-1];
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
ENDP(pt0);
|
||
}
|
||
else {
|
||
Error(TYPE_ERROR_COMPOUND, d1, "arg 2 of arg/3");
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, arg_y_arg2_vc_unk, arg_y_arg2_vc_nvar);
|
||
Error(INSTANTIATION_ERROR, d1,"arg 2 of arg/3");;
|
||
ENDP(pt0);
|
||
FAIL();
|
||
ENDD(d1);
|
||
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2s_vv, xxx);
|
||
/* A1 is a variable */
|
||
restart_func2s:
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
RESET_VARIABLE(H);
|
||
H[1] = XREG(PREG->u.xxx.x1);
|
||
H[2] = XREG(PREG->u.xxx.x2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
/* We have to build the structure */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxx.x1);
|
||
deref_head(d0, func2s_unk);
|
||
func2s_nvar:
|
||
/* we do, let's get the third argument */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xxx.x2);
|
||
deref_head(d1, func2s_unk2);
|
||
func2s_nvar2:
|
||
/* Uuuff, the second and third argument are bound */
|
||
if (IsIntegerTerm(d1))
|
||
d1 = IntegerOfTerm(d1);
|
||
else {
|
||
Error(TYPE_ERROR_INTEGER,ARG3,"functor/3");
|
||
FAIL();
|
||
}
|
||
if (!IsAtomicTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
/* We made it!!!!! we got in d0 the name, in d1 the arity and
|
||
* in pt0 the variable to bind it to. */
|
||
if (d0 == TermDot && d1 == 2) {
|
||
RESET_VARIABLE(H);
|
||
RESET_VARIABLE(H+1);
|
||
d0 = AbsPair(H);
|
||
H += 2;
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xxx),sla),l);
|
||
GONext();
|
||
}
|
||
else if ((Int)d1 > 0) {
|
||
/* now let's build a compound term */
|
||
if (!IsAtomTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
if (!IsAtomTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
else
|
||
d0 = (CELL) MkFunctor(AtomOfTerm(d0), (Int) d1);
|
||
pt1 = H;
|
||
*pt1++ = d0;
|
||
d0 = AbsAppl(H);
|
||
if (pt1+d1 > ENV || pt1+d1 > (CELL *)B) {
|
||
/* make sure we have something to show for our trouble */
|
||
saveregs();
|
||
gc(3, Y, NEXTOP(NEXTOP(PREG,xxx),sla));
|
||
setregs();
|
||
goto restart_func2s;
|
||
}
|
||
while ((Int)d1--) {
|
||
RESET_VARIABLE(pt1);
|
||
pt1++;
|
||
}
|
||
H = pt1;
|
||
/* done building the term */
|
||
ENDP(pt1);
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xxx),sla),l);
|
||
GONext();
|
||
} else if ((Int)d1 == 0) {
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xxx),sla),l);
|
||
GONext();
|
||
} else {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,MkIntegerTerm(d1),"functor/3");
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, func2s_unk2, func2s_nvar2);
|
||
Error(INSTANTIATION_ERROR, d1, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, third argument was unbound */
|
||
FAIL();
|
||
ENDD(d1);
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func2s_unk, func2s_nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2s_cv, xcx);
|
||
/* A1 is a variable */
|
||
restart_func2s_cv:
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
RESET_VARIABLE(H);
|
||
H[1] = XREG(PREG->u.xcx.c);
|
||
H[2] = XREG(PREG->u.xcx.xi);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
/* We have to build the structure */
|
||
d0 = PREG->u.xcx.c;
|
||
/* we do, let's get the third argument */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.xcx.xi);
|
||
deref_head(d1, func2s_unk2_cv);
|
||
func2s_nvar2_cv:
|
||
/* Uuuff, the second and third argument are bound */
|
||
if (IsIntegerTerm(d1))
|
||
d1 = IntegerOfTerm(d1);
|
||
else {
|
||
Error(TYPE_ERROR_INTEGER,ARG3,"functor/3");
|
||
FAIL();
|
||
}
|
||
/* We made it!!!!! we got in d0 the name, in d1 the arity and
|
||
* in pt0 the variable to bind it to. */
|
||
if (d0 == TermDot && d1 == 2) {
|
||
RESET_VARIABLE(H);
|
||
RESET_VARIABLE(H+1);
|
||
d0 = AbsPair(H);
|
||
H += 2;
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
XREG(PREG->u.xcx.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xcx),sla),l);
|
||
GONext();
|
||
} else if ((Int)d1 > 0) {
|
||
/* now let's build a compound term */
|
||
if (!IsAtomTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
if (!IsAtomTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
else
|
||
d0 = (CELL) MkFunctor(AtomOfTerm(d0), (Int) d1);
|
||
pt1 = H;
|
||
*pt1++ = d0;
|
||
d0 = AbsAppl(H);
|
||
if (pt1+d1 > ENV || pt1+d1 > (CELL *)B) {
|
||
/* make sure we have something to show for our trouble */
|
||
saveregs();
|
||
gc(3, Y, NEXTOP(NEXTOP(PREG,xcx),sla));
|
||
setregs();
|
||
goto restart_func2s_cv;
|
||
}
|
||
while ((Int)d1--) {
|
||
RESET_VARIABLE(pt1);
|
||
pt1++;
|
||
}
|
||
/* done building the term */
|
||
H = pt1;
|
||
ENDP(pt1);
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
XREG(PREG->u.xcx.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xcx),sla),l);
|
||
GONext();
|
||
} else if (d1 == 0) {
|
||
XREG(PREG->u.xxx.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xxx),sla),l);
|
||
GONext();
|
||
} else {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,MkIntegerTerm(d1),"functor/3");
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, func2s_unk2_cv, func2s_nvar2_cv);
|
||
Error(INSTANTIATION_ERROR, d1, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, third argument was unbound */
|
||
FAIL();
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2s_vc, xxc);
|
||
/* A1 is a variable */
|
||
restart_func2s_vc:
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
Term ti;
|
||
CELL *hi = H;
|
||
|
||
ti = MkIntegerTerm((Int)(PREG->u.xxc.c));
|
||
RESET_VARIABLE(H);
|
||
H[1] = XREG(PREG->u.xxc.xi);
|
||
H[2] = ti;
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
H = hi;
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
/* We have to build the structure */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxc.xi);
|
||
deref_head(d0, func2s_unk_vc);
|
||
func2s_nvar_vc:
|
||
BEGD(d1);
|
||
d1 = PREG->u.xxc.c;
|
||
if (!IsAtomicTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
/* We made it!!!!! we got in d0 the name, in d1 the arity and
|
||
* in pt0 the variable to bind it to. */
|
||
if (d0 == TermDot && d1 == 2) {
|
||
RESET_VARIABLE(H);
|
||
RESET_VARIABLE(H+1);
|
||
d0 = AbsPair(H);
|
||
H += 2;
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xxc),sla),l);
|
||
GONext();
|
||
}
|
||
/* now let's build a compound term */
|
||
if (d1 == 0) {
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xxc),sla),l);
|
||
GONext();
|
||
}
|
||
if (!IsAtomTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
if (!IsAtomTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
else
|
||
d0 = (CELL) MkFunctor(AtomOfTerm(d0), (Int) d1);
|
||
pt1 = H;
|
||
*pt1++ = d0;
|
||
d0 = AbsAppl(H);
|
||
if (pt1+d1 > ENV || pt1+d1 > (CELL *)B) {
|
||
/* make sure we have something to show for our trouble */
|
||
saveregs();
|
||
gc(3, Y, NEXTOP(NEXTOP(PREG,xxc),sla));
|
||
setregs();
|
||
goto restart_func2s_vc;
|
||
}
|
||
while ((Int)d1--) {
|
||
RESET_VARIABLE(pt1);
|
||
pt1++;
|
||
}
|
||
/* done building the term */
|
||
H = pt1;
|
||
ENDP(pt1);
|
||
ENDD(d1);
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
XREG(PREG->u.xxc.x) = d0;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, xxc),sla),l);
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func2s_unk_vc, func2s_nvar_vc);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2s_y_vv, yxx);
|
||
/* A1 is a variable */
|
||
restart_func2s_y:
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
RESET_VARIABLE(H);
|
||
H[1] = XREG(PREG->u.yxx.x1);
|
||
H[2] = XREG(PREG->u.yxx.x2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
/* We have to build the structure */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxx.x1);
|
||
deref_head(d0, func2s_y_unk);
|
||
func2s_y_nvar:
|
||
/* we do, let's get the third argument */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.yxx.x2);
|
||
deref_head(d1, func2s_y_unk2);
|
||
func2s_y_nvar2:
|
||
/* Uuuff, the second and third argument are bound */
|
||
if (IsIntegerTerm(d1))
|
||
d1 = IntegerOfTerm(d1);
|
||
else {
|
||
Error(TYPE_ERROR_INTEGER,ARG3,"functor/3");
|
||
FAIL();
|
||
}
|
||
if (!IsAtomicTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
/* We made it!!!!! we got in d0 the name, in d1 the arity and
|
||
* in pt0 the variable to bind it to. */
|
||
if (d0 == TermDot && d1 == 2) {
|
||
RESET_VARIABLE(H);
|
||
RESET_VARIABLE(H+1);
|
||
d0 = AbsPair(H);
|
||
H += 2;
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, yxx),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
} else if ((Int)d1 > 0) {
|
||
/* now let's build a compound term */
|
||
if (!IsAtomTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
if (!IsAtomTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
else
|
||
d0 = (CELL) MkFunctor(AtomOfTerm(d0), (Int) d1);
|
||
pt1 = H;
|
||
*pt1++ = d0;
|
||
d0 = AbsAppl(H);
|
||
if (pt1+d1 > ENV || pt1+d1 > (CELL *)B) {
|
||
/* make sure we have something to show for our trouble */
|
||
saveregs();
|
||
gc(3, Y, NEXTOP(NEXTOP(PREG,yxx),sla));
|
||
setregs();
|
||
goto restart_func2s_y;
|
||
}
|
||
while ((Int)d1--) {
|
||
RESET_VARIABLE(pt1);
|
||
pt1++;
|
||
}
|
||
/* done building the term */
|
||
H = pt1;
|
||
ENDP(pt1);
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, yxx),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
} else if (d1 == 0) {
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxx.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, yxx),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
} else {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,MkIntegerTerm(d1),"functor/3");
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, func2s_y_unk2, func2s_y_nvar2);
|
||
Error(INSTANTIATION_ERROR, d1, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, third argument was unbound */
|
||
FAIL();
|
||
ENDD(d1);
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func2s_y_unk, func2s_y_nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2s_y_cv, ycx);
|
||
/* A1 is a variable */
|
||
restart_func2s_y_cv:
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
RESET_VARIABLE(H);
|
||
H[1] = XREG(PREG->u.ycx.c);
|
||
H[2] = XREG(PREG->u.ycx.xi);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
/* We have to build the structure */
|
||
BEGD(d0);
|
||
d0 = PREG->u.ycx.c;
|
||
/* we do, let's get the third argument */
|
||
BEGD(d1);
|
||
d1 = XREG(PREG->u.ycx.xi);
|
||
deref_head(d1, func2s_y_unk_cv);
|
||
func2s_y_nvar_cv:
|
||
/* Uuuff, the second and third argument are bound */
|
||
if (IsIntegerTerm(d1)) {
|
||
d1 = IntegerOfTerm(d1);
|
||
} else {
|
||
Error(TYPE_ERROR_INTEGER,d1,"functor/3");
|
||
FAIL();
|
||
}
|
||
/* We made it!!!!! we got in d0 the name, in d1 the arity and
|
||
* in pt0 the variable to bind it to. */
|
||
if (d0 == TermDot && d1 == 2) {
|
||
RESET_VARIABLE(H);
|
||
RESET_VARIABLE(H+1);
|
||
d0 = AbsPair(H);
|
||
H += 2;
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.ycx.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, ycx),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
}
|
||
else if ((Int)d1 > 0) {
|
||
/* now let's build a compound term */
|
||
if (!IsAtomTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
if (!IsAtomTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
else
|
||
d0 = (CELL) MkFunctor(AtomOfTerm(d0), (Int) d1);
|
||
BEGP(pt1);
|
||
pt1 = H;
|
||
*pt1++ = d0;
|
||
d0 = AbsAppl(H);
|
||
if (pt1+d1 > ENV || pt1+d1 > (CELL *)B) {
|
||
/* make sure we have something to show for our trouble */
|
||
saveregs();
|
||
gc(3, Y, NEXTOP(NEXTOP(PREG,ycx),sla));
|
||
setregs();
|
||
goto restart_func2s_y_cv;
|
||
}
|
||
while ((Int)d1--) {
|
||
RESET_VARIABLE(pt1);
|
||
pt1++;
|
||
}
|
||
/* done building the term */
|
||
H = pt1;
|
||
ENDP(pt1);
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.ycx.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, ycx),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
} else if (d1 == 0) {
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.ycx.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, ycx),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
} else {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,MkIntegerTerm(d1),"functor/3");
|
||
FAIL();
|
||
}
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, func2s_y_unk_cv, func2s_y_nvar_cv);
|
||
Error(INSTANTIATION_ERROR, d1, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, third argument was unbound */
|
||
FAIL();
|
||
ENDD(d1);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2s_y_vc, yxc);
|
||
/* A1 is a variable */
|
||
restart_func2s_y_vc:
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
Term ti;
|
||
CELL *hi = H;
|
||
|
||
ti = MkIntegerTerm((Int)(PREG->u.yxc.c));
|
||
RESET_VARIABLE(H);
|
||
H[1] = XREG(PREG->u.yxc.xi);
|
||
H[2] = ti;
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
H = hi;
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
/* We have to build the structure */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxc.xi);
|
||
deref_head(d0, func2s_y_unk_vc);
|
||
func2s_y_nvar_vc:
|
||
BEGD(d1);
|
||
d1 = PREG->u.yxc.c;
|
||
if (!IsAtomicTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
/* We made it!!!!! we got in d0 the name, in d1 the arity and
|
||
* in pt0 the variable to bind it to. */
|
||
if (d0 == TermDot && d1 == 2) {
|
||
RESET_VARIABLE(H);
|
||
RESET_VARIABLE(H+1);
|
||
d0 = AbsPair(H);
|
||
H += 2;
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, yxc),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
}
|
||
if (d1 == 0) {
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, yxc),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
GONext();
|
||
}
|
||
if (!IsAtomTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
/* now let's build a compound term */
|
||
if (!IsAtomTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
if (!IsAtomTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
else
|
||
d0 = (CELL) MkFunctor(AtomOfTerm(d0), (Int) d1);
|
||
pt1 = H;
|
||
*pt1++ = d0;
|
||
d0 = AbsAppl(H);
|
||
if (pt1+d1 > ENV || pt1+d1 > (CELL *)B) {
|
||
/* make sure we have something to show for our trouble */
|
||
saveregs();
|
||
gc(3, Y, NEXTOP(NEXTOP(PREG,yxc),sla));
|
||
setregs();
|
||
goto restart_func2s_y_vc;
|
||
}
|
||
while ((Int)d1--) {
|
||
RESET_VARIABLE(pt1);
|
||
pt1++;
|
||
}
|
||
/* done building the term */
|
||
H = pt1;
|
||
ENDP(pt1);
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
BEGP(pt1);
|
||
pt1 = Y + PREG->u.yxc.y;
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, yxc),sla),l);
|
||
#if defined(SBA) && defined(FROZEN_REGS)
|
||
Bind_Local(pt1,d0);
|
||
#else
|
||
*pt1 = d0;
|
||
#endif
|
||
ENDP(pt1);
|
||
ENDD(d1);
|
||
GONext();
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func2s_y_unk_vc, func2s_y_nvar_vc);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2f_xx, xxx);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
H[0] = XREG(PREG->u.xxx.x);
|
||
RESET_VARIABLE(H+1);
|
||
RESET_VARIABLE(H+2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xxx.x);
|
||
deref_head(d0, func2f_xx_unk);
|
||
func2f_xx_nvar:
|
||
if (IsApplTerm(d0)) {
|
||
Functor d1 = FunctorOfTerm(d0);
|
||
if (IsExtensionFunctor(d1)) {
|
||
XREG(PREG->u.xxx.x1) = d0;
|
||
XREG(PREG->u.xxx.x2) = MkIntTerm(0);
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
}
|
||
XREG(PREG->u.xxx.x1) = MkAtomTerm(NameOfFunctor(d1));
|
||
XREG(PREG->u.xxx.x2) = MkIntegerTerm(ArityOfFunctor(d1));
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
} else if (IsPairTerm(d0)) {
|
||
XREG(PREG->u.xxx.x1) = TermDot;
|
||
XREG(PREG->u.xxx.x2) = MkIntTerm(2);
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
} else {
|
||
XREG(PREG->u.xxx.x1) = d0;
|
||
XREG(PREG->u.xxx.x2) = MkIntTerm(0);
|
||
PREG = NEXTOP(PREG, xxx);
|
||
GONext();
|
||
}
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func2f_xx_unk, func2f_xx_nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2f_xy, xyx);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
H[0] = XREG(PREG->u.xyx.x);
|
||
RESET_VARIABLE(H+1);
|
||
RESET_VARIABLE(H+2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.xyx.x);
|
||
deref_head(d0, func2f_xy_unk);
|
||
func2f_xy_nvar:
|
||
if (IsApplTerm(d0)) {
|
||
Functor d1 = FunctorOfTerm(d0);
|
||
CELL *pt0 = Y+PREG->u.xyx.y2;
|
||
if (IsExtensionFunctor(d1)) {
|
||
XREG(PREG->u.xyx.x1) = d0;
|
||
PREG = NEXTOP(PREG, xyx);
|
||
*pt0 = MkIntTerm(0);
|
||
GONext();
|
||
}
|
||
XREG(PREG->u.xyx.x1) = MkAtomTerm(NameOfFunctor(d1));
|
||
PREG = NEXTOP(PREG, xyx);
|
||
*pt0 = MkIntegerTerm(ArityOfFunctor(d1));
|
||
GONext();
|
||
} else if (IsPairTerm(d0)) {
|
||
CELL *pt0 = Y+PREG->u.xyx.y2;
|
||
XREG(PREG->u.xyx.x1) = TermDot;
|
||
PREG = NEXTOP(PREG, xyx);
|
||
*pt0 = MkIntTerm(2);
|
||
GONext();
|
||
} else {
|
||
CELL *pt0 = Y+PREG->u.xyx.y2;
|
||
XREG(PREG->u.xyx.x1) = d0;
|
||
PREG = NEXTOP(PREG, xyx);
|
||
*pt0 = MkIntTerm(0);
|
||
GONext();
|
||
}
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func2f_xy_unk, func2f_xy_nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2f_yx, yxx);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
H[0] = XREG(PREG->u.yxx.x2);
|
||
RESET_VARIABLE(H+1);
|
||
RESET_VARIABLE(H+2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yxx.x2);
|
||
deref_head(d0, func2f_yx_unk);
|
||
func2f_yx_nvar:
|
||
if (IsApplTerm(d0)) {
|
||
Functor d1 = FunctorOfTerm(d0);
|
||
CELL *pt0 = Y+PREG->u.yxx.y;
|
||
if (IsExtensionFunctor(d1)) {
|
||
XREG(PREG->u.yxx.x1) = MkIntTerm(0);
|
||
PREG = NEXTOP(PREG, yxx);
|
||
*pt0 = d0;
|
||
GONext();
|
||
}
|
||
XREG(PREG->u.yxx.x1) = MkIntegerTerm(ArityOfFunctor(d1));
|
||
PREG = NEXTOP(PREG, yxx);
|
||
*pt0 = MkAtomTerm(NameOfFunctor(d1));
|
||
GONext();
|
||
} else if (IsPairTerm(d0)) {
|
||
CELL *pt0 = Y+PREG->u.yxx.y;
|
||
XREG(PREG->u.yxx.x1) = MkIntTerm(2);
|
||
PREG = NEXTOP(PREG, yxx);
|
||
*pt0 = TermDot;
|
||
GONext();
|
||
} else {
|
||
CELL *pt0 = Y+PREG->u.yxx.y;
|
||
XREG(PREG->u.yxx.x1) = MkIntTerm(0);
|
||
PREG = NEXTOP(PREG, yxx);
|
||
*pt0 = d0;
|
||
GONext();
|
||
}
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func2f_yx_unk, func2f_yx_nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_func2f_yy, yyx);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace) {
|
||
H[0] = XREG(PREG->u.yyx.x);
|
||
RESET_VARIABLE(H+1);
|
||
RESET_VARIABLE(H+2);
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),H);
|
||
}
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
BEGD(d0);
|
||
d0 = XREG(PREG->u.yyx.x);
|
||
deref_head(d0, func2f_yy_unk);
|
||
func2f_yy_nvar:
|
||
if (IsApplTerm(d0)) {
|
||
Functor d1 = FunctorOfTerm(d0);
|
||
CELL *pt0 = Y+PREG->u.yyx.y1;
|
||
CELL *pt1 = Y+PREG->u.yyx.y2;
|
||
if (IsExtensionFunctor(d1)) {
|
||
PREG = NEXTOP(PREG, yyx);
|
||
*pt0 = d0;
|
||
*pt1 = MkIntTerm(0);
|
||
GONext();
|
||
}
|
||
PREG = NEXTOP(PREG, yyx);
|
||
*pt0 = MkAtomTerm(NameOfFunctor(d1));
|
||
*pt1 = MkIntegerTerm(ArityOfFunctor(d1));
|
||
GONext();
|
||
} else if (IsPairTerm(d0)) {
|
||
CELL *pt0 = Y+PREG->u.yyx.y1;
|
||
CELL *pt1 = Y+PREG->u.yyx.y2;
|
||
PREG = NEXTOP(PREG, yyx);
|
||
*pt0 = TermDot;
|
||
*pt1 = MkIntTerm(2);
|
||
GONext();
|
||
} else {
|
||
CELL *pt0 = Y+PREG->u.yyx.y1;
|
||
CELL *pt1 = Y+PREG->u.yyx.y2;
|
||
PREG = NEXTOP(PREG, yyx);
|
||
*pt0 = d0;
|
||
*pt1 = MkIntTerm(0);
|
||
GONext();
|
||
}
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func2f_yy_unk, func2f_yy_nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
Op(p_functor, e);
|
||
#ifdef LOW_LEVEL_TRACER
|
||
if (do_low_level_trace)
|
||
low_level_trace(enter_pred,RepPredProp(GetPredProp(LookupAtom("functor"),3)),XREGS+1);
|
||
#endif /* LOW_LEVEL_TRACE */
|
||
restart_functor:
|
||
BEGD(d0);
|
||
d0 = ARG1;
|
||
deref_head(d0, func_unk);
|
||
func_nvar:
|
||
/* A1 is bound */
|
||
BEGD(d1);
|
||
if (IsApplTerm(d0)) {
|
||
d1 = *RepAppl(d0);
|
||
if (IsExtensionFunctor((Functor) d1)) {
|
||
if (d1 <= (CELL)FunctorDouble && d1 >= (CELL)FunctorLongInt ) {
|
||
d1 = MkIntTerm(0);
|
||
} else
|
||
FAIL();
|
||
} else {
|
||
d0 = MkAtomTerm(NameOfFunctor((Functor) d1));
|
||
d1 = MkIntTerm(ArityOfFunctor((Functor) d1));
|
||
}
|
||
}
|
||
else if (IsPairTerm(d0)) {
|
||
d0 = TermDot;
|
||
d1 = MkIntTerm(2);
|
||
}
|
||
else {
|
||
d1 = MkIntTerm(0);
|
||
}
|
||
/* d1 and d0 now have the two arguments */
|
||
/* let's go and bind them */
|
||
{
|
||
register CELL arity = d1;
|
||
|
||
d1 = ARG2;
|
||
deref_head(d1, func_nvar_unk);
|
||
func_nvar_nvar:
|
||
/* A2 was bound */
|
||
if (d0 != d1) {
|
||
FAIL();
|
||
}
|
||
/* I have to this here so that I don't have a jump to a closing bracket */
|
||
d0 = arity;
|
||
goto func_bind_x3;
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, func_nvar_unk, func_nvar_nvar);
|
||
/* A2 is a variable, go and bind it */
|
||
BIND(pt0, d0, bind_func_nvar_var);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_func_nvar_var:
|
||
#endif
|
||
/* I have to this here so that I don't have a jump to a closing bracket */
|
||
d0 = arity;
|
||
ENDP(pt0);
|
||
func_bind_x3:
|
||
/* now let's process A3 */
|
||
d1 = ARG3;
|
||
deref_head(d1, func_nvar3_unk);
|
||
func_nvar3_nvar:
|
||
/* A3 was bound */
|
||
if (d0 != d1) {
|
||
FAIL();
|
||
}
|
||
/* Done */
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, e),sla),l);
|
||
GONext();
|
||
|
||
BEGP(pt0);
|
||
deref_body(d1, pt0, func_nvar3_unk, func_nvar3_nvar);
|
||
/* A3 is a variable, go and bind it */
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, e),sla),l);
|
||
BIND(pt0, d0, bind_func_nvar3_var);
|
||
/* Done */
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_func_nvar3_var:
|
||
#endif
|
||
GONext();
|
||
|
||
|
||
ENDP(pt0);
|
||
|
||
}
|
||
ENDD(d1);
|
||
|
||
BEGP(pt0);
|
||
deref_body(d0, pt0, func_unk, func_nvar);
|
||
/* A1 is a variable */
|
||
/* We have to build the structure */
|
||
d0 = ARG2;
|
||
deref_head(d0, func_var_2unk);
|
||
func_var_2nvar:
|
||
/* we do, let's get the third argument */
|
||
BEGD(d1);
|
||
d1 = ARG3;
|
||
deref_head(d1, func_var_3unk);
|
||
func_var_3nvar:
|
||
/* Uuuff, the second and third argument are bound */
|
||
if (IsIntTerm(d1))
|
||
d1 = IntOfTerm(d1);
|
||
else {
|
||
Error(TYPE_ERROR_INTEGER,ARG3,"functor/3");
|
||
FAIL();
|
||
}
|
||
if (!IsAtomicTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
} /* We made it!!!!! we got in d0 the name, in d1 the arity and
|
||
* in pt0 the variable to bind it to. */
|
||
if (d0 == TermDot && d1 == 2) {
|
||
RESET_VARIABLE(H);
|
||
RESET_VARIABLE(H+1);
|
||
d0 = AbsPair(H);
|
||
H += 2;
|
||
}
|
||
else if ((Int)d1 > 0) {
|
||
/* now let's build a compound term */
|
||
if (!IsAtomTerm(d0)) {
|
||
Error(TYPE_ERROR_ATOM,d0,"functor/3");
|
||
FAIL();
|
||
}
|
||
BEGP(pt1);
|
||
if (!IsAtomTerm(d0)) {
|
||
FAIL();
|
||
}
|
||
else
|
||
d0 = (CELL) MkFunctor(AtomOfTerm(d0), (Int) d1);
|
||
pt1 = H;
|
||
*pt1++ = d0;
|
||
d0 = AbsAppl(H);
|
||
if (pt1+d1 > ENV || pt1+d1 > (CELL *)B) {
|
||
/* make sure we have something to show for our trouble */
|
||
saveregs();
|
||
gc(3, Y, NEXTOP(NEXTOP(PREG,e),sla));
|
||
setregs();
|
||
goto restart_functor;
|
||
}
|
||
while ((Int)d1--) {
|
||
RESET_VARIABLE(pt1);
|
||
pt1++;
|
||
}
|
||
/* done building the term */
|
||
H = pt1;
|
||
ENDP(pt1);
|
||
} else if ((Int)d1 < 0) {
|
||
Error(DOMAIN_ERROR_NOT_LESS_THAN_ZERO,MkIntegerTerm(d1),"functor/3");
|
||
FAIL();
|
||
}
|
||
/* else if arity is 0 just pass d0 through */
|
||
/* Ding, ding, we made it */
|
||
PREG = NEXTOP(NEXTOP(NEXTOP(PREG, e),sla),l);
|
||
BIND(pt0, d0, bind_func_var_3nvar);
|
||
#ifdef COROUTINING
|
||
DO_TRAIL(pt0, d0);
|
||
if (pt0 < H0) WakeUp(pt0);
|
||
bind_func_var_3nvar:
|
||
#endif
|
||
GONext();
|
||
|
||
|
||
BEGP(pt1);
|
||
deref_body(d1, pt1, func_var_3unk, func_var_3nvar);
|
||
Error(INSTANTIATION_ERROR, d1, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, third argument was unbound */
|
||
FAIL();
|
||
ENDD(d1);
|
||
|
||
BEGP(pt1);
|
||
deref_body(d0, pt1, func_var_2unk, func_var_2nvar);
|
||
Error(INSTANTIATION_ERROR, d0, "functor/3");
|
||
ENDP(pt1);
|
||
/* Oops, second argument was unbound too */
|
||
FAIL();
|
||
ENDP(pt0);
|
||
ENDD(d0);
|
||
ENDOp();
|
||
|
||
#if !USE_THREADED_CODE
|
||
default:
|
||
PREG = Error(SYSTEM_ERROR, MkIntegerTerm(opcode), "trying to execute invalid YAAM instruction %d", opcode);
|
||
JMPNext();
|
||
}
|
||
}
|
||
#endif
|
||
|
||
#if USE_THREADED_CODE
|
||
#if PUSH_REGS
|
||
restore_absmi_regs(old_regs);
|
||
#endif
|
||
#if BP_FREE
|
||
P1REG = PCBACKUP;
|
||
#endif
|
||
return (0);
|
||
#if PUSH_REGS
|
||
|
||
#undef REGS
|
||
#define REGS (*regp)
|
||
|
||
#else
|
||
|
||
#endif /* PUSH_REGS */
|
||
|
||
#if SHADOW_REGS
|
||
#undef REGS
|
||
#endif /* SHADOW_REGS */
|
||
#endif
|
||
|
||
}
|
||
|