diogo/yap-6.3
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more fixes to SWI emulation

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integrate in main binary
This commit is contained in:
Vitor Santos Costa
2011-02-10 21:14:38 +00:00
parent 841f6eb1e5
commit 3fe9b923cb
12 changed files with 462 additions and 64 deletions
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81
C/c_interface.c
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@@ -528,6 +528,8 @@ X_API int STD_PROTO(YAP_SetYAPFlag,(yap_flag_t, int));
X_API Int STD_PROTO(YAP_VarSlotToNumber,(Int));
X_API Term STD_PROTO(YAP_ModuleUser,(void));
X_API Int STD_PROTO(YAP_NumberOfClausesForPredicate,(PredEntry *));
X_API int STD_PROTO(YAP_MaxOpPriority,(Atom, Term));
X_API int STD_PROTO(YAP_OpInfo,(Atom, Term, int, int *, int *));
static int (*do_getf)(void);
@@ -3348,3 +3350,82 @@ Int YAP_NumberOfClausesForPredicate(PredEntry *pe) {
return pe->cs.p_code.NOfClauses;
}
int YAP_MaxOpPriority(Atom at, Term module)
{
AtomEntry *ae = RepAtom(at);
OpEntry *info;
WRITE_LOCK(ae->ARWLock);
info = Yap_GetOpPropForAModuleHavingALock(ae, module);
if (!info) {
WRITE_UNLOCK(ae->ARWLock);
return 0;
}
int ret = info->Prefix;
if (info->Infix > ret)
ret = info->Infix;
if (info->Posfix > ret)
ret = info->Posfix;
WRITE_UNLOCK(ae->ARWLock);
return ret;
}
int YAP_OpInfo(Atom at, Term module, int opkind, int *yap_type, int *prio)
{
AtomEntry *ae = RepAtom(at);
OpEntry *info;
int n;
WRITE_LOCK(ae->ARWLock);
info = Yap_GetOpPropForAModuleHavingALock(ae, module);
if (!info) {
WRITE_UNLOCK(ae->ARWLock);
return 0;
}
if (opkind == PREFIX_OP) {
SMALLUNSGN p = info->Prefix;
if (!p) {
WRITE_UNLOCK(ae->ARWLock);
return FALSE;
}
if (p & DcrrpFlag) {
n = 6;
*prio = (p ^ DcrrpFlag);
} else {
n = 7;
*prio = p;
}
} else if (opkind == INFIX_OP) {
SMALLUNSGN p = info->Infix;
if (!p) {
WRITE_UNLOCK(ae->ARWLock);
return FALSE;
}
if ((p & DcrrpFlag) && (p & DcrlpFlag)) {
n = 1;
*prio = (p ^ (DcrrpFlag | DcrlpFlag));
} else if (p & DcrrpFlag) {
n = 3;
*prio = (p ^ DcrrpFlag);
} else if (p & DcrlpFlag) {
n = 2;
*prio = (p ^ DcrlpFlag);
} else {
n = 4;
*prio = p;
}
} else {
SMALLUNSGN p = info->Posfix;
if (p & DcrlpFlag) {
n = 4;
*prio = (p ^ DcrlpFlag);
} else {
n = 5;
*prio = p;
}
}
*yap_type = n;
return 1;
}