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check for enough head space

This commit is contained in:
Vitor Santos Costa 2013-01-15 22:58:34 +00:00
parent e85e76cd57
commit 9550393e66
1 changed files with 12 additions and 6 deletions
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18
C/compiler.c
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@ -2109,14 +2109,14 @@ c_head(Term t, compiler_struct *cglobs)
if (IsAtomTerm(t)) {
Yap_emit(name_op, (CELL) AtomOfTerm(t), Zero, &cglobs->cint);
#ifdef BEAM
if (EAM) {
Yap_emit(run_op,Zero,(UInt) cglobs->cint.CurrentPred,&cglobs->cint);
}
if (EAM) {
Yap_emit(run_op,Zero,(UInt) cglobs->cint.CurrentPred,&cglobs->cint);
}
#endif
Yap_emit(ensure_space_op, Zero , Zero, &cglobs->cint);
cglobs->space_op = cglobs->cint.cpc;
return;
}
Yap_emit(ensure_space_op, Zero , Zero, &cglobs->cint);
cglobs->space_op = cglobs->cint.cpc;
f = FunctorOfTerm(t);
Yap_emit(name_op, (CELL) NameOfFunctor(f), ArityOfFunctor(f), &cglobs->cint);
#ifdef BEAM
@ -2124,8 +2124,10 @@ c_head(Term t, compiler_struct *cglobs)
Yap_emit(run_op,Zero,(UInt) cglobs->cint.CurrentPred,&cglobs->cint);
}
#endif
if (Yap_ExecutionMode == MIXED_MODE_USER)
if (Yap_ExecutionMode == MIXED_MODE_USER)
Yap_emit(native_op, 0, 0, &cglobs->cint);
Yap_emit(ensure_space_op, Zero , Zero, &cglobs->cint);
cglobs->space_op = cglobs->cint.cpc;
c_args(t, 0, cglobs);
}
@ -3537,6 +3539,10 @@ Yap_cclause(volatile Term inp_clause, Int NOfArgs, Term mod, volatile Term src)
}
if (LOCAL_ErrorMessage)
return (0);
/* make sure we give enough space for the fact */
if (cglobs.space_op)
cglobs.space_op->rnd1 = cglobs.space_used;
#ifdef DEBUG
if (GLOBAL_Option['g' - 96])
Yap_ShowCode(&cglobs.cint);