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fix confused predicate term_to_string/2.

This commit is contained in:
Vítor Santos Costa 2015-10-05 10:36:43 +01:00
parent 4cbf3387e1
commit 4d132d278c
2 changed files with 13 additions and 9 deletions
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2
.gitignore vendored
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@ -90,3 +90,5 @@ CMakeLists.txt.user.378dfb0
CMakeLists.txt.user.4d738ef
CMakeLists.txt.user.c65360d
C/pl-yap.c

20
os/readterm.c
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@ -505,7 +505,7 @@ static bool complete_clause_processing(FEnv *fe, TokEntry *tokstarts, Term t);
static bool complete_processing(FEnv *fe, TokEntry *tokstart) {
CACHE_REGS
Term v1, v2, v3;
if (fe->vp) {
if (fe->vp) {
while (TRUE) {
fe->old_H = HR;
@ -547,7 +547,9 @@ static bool complete_processing(FEnv *fe, TokEntry *tokstart) {
// trail must be ok by now.]
if ((!fe->vp || Yap_unify(v1, fe->vp)) &&
(!fe->np || Yap_unify(v2, fe->np)) && (!fe->tp || Yap_unify(v3, fe->tp)))
(!fe->np || Yap_unify(v2, fe->np)) &&
(!fe->sp || Yap_unify(v3, fe->sp)) &&
(!fe->tp || Yap_unify(fe->tp, CurrentPositionToTerm())))
return fe->t;
return 0;
}
@ -607,13 +609,13 @@ static parser_state_t scanEOF(FEnv *fe, int inp_stream) {
static parser_state_t initParser(Term opts, FEnv *fe, REnv *re, int inp_stream,
int nargs) {
CACHE_REGS
fe->old_H = HR;
LOCAL_ErrorMessage = NULL;
fe->old_TR = TR;
LOCAL_Error_TYPE = YAP_NO_ERROR;
LOCAL_SourceFileName = GLOBAL_Stream[inp_stream].name;
LOCAL_eot_before_eof = false;
fe->tpos = StreamPosition(inp_stream);
fe->old_H = HR;
fe->reading_clause = nargs < 0;
if (fe->reading_clause) {
fe->nargs = -nargs;
@ -1225,22 +1227,22 @@ static Int atom_to_term(USES_REGS1) {
*/
static Int
term_to_string(USES_REGS1) {
Term t1 = Deref(ARG2), rc = false;
Term t2 = Deref(ARG2), rc = false, t1 = Deref(ARG1);
const char * s;
if (IsVarTerm(t1)) {
if (IsVarTerm(t2)) {
size_t length;
s = Yap_TermToString(ARG2, NULL, 0, &length, 0, Quote_illegal_f|Handle_vars_f);
s = Yap_TermToString(ARG1, NULL, 0, &length, 0, Quote_illegal_f|Handle_vars_f);
if (!s || !
MkStringTerm(s)) {
Yap_Error(RESOURCE_ERROR_HEAP,t1,"Could not get memory from the operating system");
return false;
}
return Yap_unify(ARG2, MkStringTerm(s));
} else if (!IsStringTerm(t1)) {
Yap_Error(TYPE_ERROR_STRING, t1, "string_to_ter®m/2");
} else if (!IsStringTerm(t2)) {
Yap_Error(TYPE_ERROR_STRING, t2, "string_to_ter®m/2");
return false;
} else {
s = StringOfTerm(t1);
s = StringOfTerm(t2);
}
return (rc = readFromBuffer(s, TermNil)) != 0L && Yap_unify(rc, ARG1);
}