error handling

This commit is contained in:
Vitor Santos Costa 2017-10-28 03:21:34 +01:00
parent 29f0f88025
commit e4fd6a153a
2 changed files with 13 additions and 9 deletions

View File

@ -42,6 +42,8 @@ int Yap_ArgKey(Atom key, const param_t *def, int n) {
static xarg *failed__(yap_error_number e, Term t, xarg *a USES_REGS) {
free(a);
LOCAL_ActiveError->errorNo = e;
LOCAL_ActiveError->rawErrorTerm = t;
return NULL;
}
@ -49,12 +51,13 @@ xarg *Yap_ArgListToVector(Term listl, const param_t *def, int n) {
CACHE_REGS
listl = Deref(listl);
xarg *a = calloc(n, sizeof(xarg));
if (IsVarTerm(listl)) {
return failed(INSTANTIATION_ERROR, listl, a);
}
if (IsApplTerm(listl) && FunctorOfTerm(listl) == FunctorModule)
listl = ArgOfTerm(2, listl);
if (!IsPairTerm(listl) && listl != TermNil) {
if (IsVarTerm(listl)) {
return failed(INSTANTIATION_ERROR, listl, a);
}
if (IsAtomTerm(listl)) {
xarg *na = matchKey(AtomOfTerm(listl), a, n, def);
if (!na) {
@ -84,12 +87,11 @@ xarg *Yap_ArgListToVector(Term listl, const param_t *def, int n) {
while (IsPairTerm(listl)) {
Term hd = HeadOfTerm(listl);
listl = TailOfTerm(listl);
if (IsVarTerm(hd) || IsVarTerm(listl)) {
if (IsVarTerm(hd)) {
return failed(INSTANTIATION_ERROR, hd, a);
} else {
return failed(INSTANTIATION_ERROR, listl, a);
}
if (IsVarTerm(hd)) {
return failed(INSTANTIATION_ERROR, hd, a);
}
if (IsVarTerm(listl)) {
return failed(INSTANTIATION_ERROR, listl, a);
}
if (IsAtomTerm(hd)) {
xarg *na = matchKey(AtomOfTerm(hd), a, n, def);

View File

@ -217,6 +217,7 @@ INLINE_ONLY extern inline Term Yap_ensure_atom__(const char *fu, const char *fi,
YAP_Atom prologParserFile;
YAP_Bool prologConsulting;
struct DB_TERM *errorTerm;
YAP_Term rawErrorTerm, rawExtraErrorTerm;
char *errorMsg;
size_t errorMsgLen;
struct yap_error_descriptor *top_error;
@ -229,6 +230,7 @@ INLINE_ONLY extern inline Term Yap_ensure_atom__(const char *fu, const char *fi,
#define LOCAL_Error_Lineno LOCAL_ActiveError->errorLine
#define LOCAL_Error_Size LOCAL_ActiveError->errorMsgLen
#define LOCAL_BallTerm LOCAL_ActiveError->errorTerm
#define LOCAL_RawTerm LOCAL_ActiveError->errorRawTerm
#define LOCAL_ErrorMessage LOCAL_ActiveError->errorMsg
extern bool Yap_find_prolog_culprit(void);