This commit is contained in:
Vítor Santos Costa 2018-04-04 15:55:45 +01:00
parent c3b06ffdd1
commit 3d8ef251a5
6 changed files with 76 additions and 55 deletions

View File

@ -1954,7 +1954,7 @@ X_API Int YAP_RunGoalOnce(Term t) {
}
// should we catch the exception or pass it through?
// We'll pass it through
Yap_RaiseException();
// Yap_RaiseException();
if (out) {
choiceptr cut_pt, ob;

View File

@ -201,10 +201,11 @@ bool Yap_Warning(const char *s, ...) {
Term ts[2];
const char *fmt;
char tmpbuf[MAXPATHLEN];
yap_error_number err;
LOCAL_DoingUndefp = true;
if (LOCAL_PrologMode & InErrorMode) {
fprintf(stderr, "%% ERROR WITHIN ERROR %d: %s\n", LOCAL_Error_TYPE, tmpbuf);
if (LOCAL_PrologMode & InErrorMode && (err = LOCAL_ActiveError->errorNo)) {
fprintf(stderr, "%% Warning %s WITHIN ERROR %s %s\n", s, Yap_errorClassName( Yap_errorClass(err)), Yap_errorName(err));
Yap_RestartYap(1);
}
LOCAL_PrologMode |= InErrorMode;
@ -504,6 +505,7 @@ void Yap_pushErrorContext(yap_error_descriptor_t *new_error) {
memset(new_error, 0, sizeof(yap_error_descriptor_t));
new_error->top_error = LOCAL_ActiveError;
LOCAL_ActiveError = new_error;
LOCAL_PrologMode = UserMode;
}
/* static void */
@ -524,6 +526,10 @@ yap_error_descriptor_t *Yap_popErrorContext(bool pass) {
sizeof(yap_error_descriptor_t));
yap_error_descriptor_t *new_error = LOCAL_ActiveError;
LOCAL_ActiveError = LOCAL_ActiveError->top_error;
if (LOCAL_ActiveError == YAP_NO_ERROR)
LOCAL_PrologMode = UserMode;
else
LOCAL_PrologMode = InErrorMode;
return new_error;
}
@ -590,10 +596,11 @@ yamop *Yap_Error__(bool throw, const char *file, const char *function, int linen
va_list ap;
char *fmt;
char s[MAXPATHLEN];
yap_error_number err;
/* disallow recursive error handling */
if (LOCAL_PrologMode & InErrorMode) {
fprintf(stderr, "%% ERROR WITHIN ERROR %d: %s\n", LOCAL_Error_TYPE, tmpbuf);
if (LOCAL_PrologMode & InErrorMode && (err = LOCAL_ActiveError->errorNo)) {
fprintf(stderr, "%% ERROR %s %s WITHIN ERROR %s %s\n", Yap_errorClassName( Yap_errorClass(type)), Yap_errorName(type), Yap_errorClassName( Yap_errorClass(err)), Yap_errorName(err));
Yap_RestartYap(1);
}
if (LOCAL_DoingUndefp && type == EVALUATION_ERROR_UNDEFINED) {

View File

@ -1385,7 +1385,7 @@ static Int execute_depth_limit(USES_REGS1) {
#endif
static bool exec_absmi(bool top, yap_reset_t reset_mode USES_REGS) {
int lval, out;
int lval = 0, out;
Int OldBorder = LOCAL_CBorder;
LOCAL_CBorder = LCL0 - ENV;
@ -2034,6 +2034,8 @@ bool is_cleanup_cp(choiceptr cp_b) {
//&& LOCAL_CBorder < LCL0 - (CELL *)handler && handler->cp_ap != NOCODE
//&& handler->cp_b != NULL
) {
if (handler->cp_ap != NOCODE)
handler->cp_ap = TRUSTFAILCODE;
handler = handler->cp_b;
}
pop_text_stack(1);
@ -2041,7 +2043,7 @@ bool is_cleanup_cp(choiceptr cp_b) {
Yap_signal(YAP_FAIL_SIGNAL);
}
B = handler;
//B = handler;
P = FAILCODE;
return true;
}

View File

@ -1649,28 +1649,38 @@ Yap_TermVariables( Term t, UInt arity USES_REGS ) /* variables in term t */
return out;
}
typedef struct att_rec {
CELL *beg, *end;
CELL oval;
} att_rec_t;
static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end, Term inp USES_REGS)
{
register CELL **to_visit0, **to_visit = (CELL **)Yap_PreAllocCodeSpace();
int lvl = push_text_stack();
att_rec_t *to_visit0, *to_visit = Malloc(1024*sizeof(att_rec_t));
att_rec_t *to_visit_max;
register tr_fr_ptr TR0 = TR;
CELL *InitialH = HR;
CELL output = AbsPair(HR);
to_visit0 = to_visit;
loop:
to_visit_max = to_visit0+1024;
restart:
do {
while (pt0 < pt0_end) {
register CELL d0;
register CELL *ptd0;
++ pt0;
ptd0 = pt0;
d0 = *ptd0;
printf("%p--%p -> %lx\n", ptd0, pt0_end, d0);
//Yap_DebugPlWriteln(d0);
deref_head(d0, attvars_in_term_unk);
attvars_in_term_nvar:
{
if (IsPairTerm(d0)) {
if (to_visit + 1024 >= (CELL **)AuxSp) {
if (to_visit + 32 >= to_visit_max) {
goto aux_overflow;
}
{
@ -1682,10 +1692,10 @@ static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end,
}
}
#ifdef RATIONAL_TREES
to_visit[0] = pt0;
to_visit[1] = pt0_end;
to_visit[2] = (CELL *)*pt0;
to_visit += 3;
to_visit->beg = pt0;
to_visit->end = pt0_end;
to_visit->oval = *pt0;
to_visit ++;
*pt0 = TermNil;
#else
if (pt0 < pt0_end) {
@ -1697,8 +1707,8 @@ static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end,
pt0 = RepPair(d0) - 1;
pt0_end = pt0+2;
} else if (IsApplTerm(d0)) {
register Functor f;
register CELL *ap2;
Functor f;
CELL *ap2;
/* store the terms to visit */
ap2 = RepAppl(d0);
f = (Functor)(*ap2);
@ -1706,14 +1716,14 @@ static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end,
continue;
}
/* store the terms to visit */
if (to_visit + 1024 >= (CELL **)AuxSp) {
if (to_visit + 1024 >= to_visit_max) {
goto aux_overflow;
}
#ifdef RATIONAL_TREES
to_visit[0] = pt0;
to_visit[1] = pt0_end;
to_visit[2] = (CELL *)*pt0;
to_visit += 3;
to_visit->beg = pt0;
to_visit->end = pt0_end;
to_visit->oval = *pt0;
to_visit ++;
*pt0 = TermNil;
#else
if (pt0 < pt0_end) {
@ -1722,9 +1732,10 @@ static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end,
to_visit += 2;
}
#endif
d0 = ArityOfFunctor(f);
arity_t a = ArityOfFunctor(f);
printf("%p %d %p\n", f, a, ap2);
pt0 = ap2;
pt0_end = ap2 + d0;
pt0_end = ap2 + a;
}
continue;
}
@ -1750,14 +1761,15 @@ static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end,
HR += 2;
HR[-2] = (CELL)ptd0;
/* store the terms to visit */
if (to_visit + 1024 >= (CELL **)AuxSp) {
if (to_visit + 32 >= to_visit_max) {
goto aux_overflow;
}
#ifdef RATIONAL_TREES
to_visit[0] = pt0;
to_visit[1] = pt0_end;
to_visit[2] = (CELL *)*pt0;
to_visit += 3;
to_visit->beg = pt0;
to_visit->end = pt0_end;
to_visit->oval = *pt0;
to_visit ++;
*pt0 = TermNil;
#else
if (pt0 < pt0_end) {
@ -1769,24 +1781,25 @@ static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end,
pt0 = &RepAttVar(ptd0)->Value;
pt0_end = &RepAttVar(ptd0)->Atts;
}
continue;
}
/* Do we still have compound terms to visit */
if (to_visit > to_visit0) {
if (to_visit == to_visit0)
break;
#ifdef RATIONAL_TREES
to_visit -= 3;
pt0 = to_visit[0];
pt0_end = to_visit[1];
to_visit --;
pt0 = to_visit->beg;
pt0_end = to_visit->end;
*pt0 = (CELL)to_visit[2];
#else
to_visit -= 2;
pt0 = to_visit[0];
pt0_end = to_visit[1];
#endif
goto loop;
}
} while(true);
clean_tr(TR0 PASS_REGS);
Yap_ReleasePreAllocCodeSpace((ADDR)to_visit0);
pop_text_stack(lvl);
if (HR != InitialH) {
/* close the list */
Term t2 = Deref(inp);
@ -1812,24 +1825,20 @@ static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end,
LOCAL_Error_TYPE = RESOURCE_ERROR_TRAIL;
LOCAL_Error_Size = (TR-TR0)*sizeof(tr_fr_ptr *);
clean_tr(TR0 PASS_REGS);
Yap_ReleasePreAllocCodeSpace((ADDR)to_visit0);
pop_text_stack(lvl);
HR = InitialH;
return 0L;
aux_overflow:
LOCAL_Error_Size = (to_visit-to_visit0)*sizeof(CELL **);
#ifdef RATIONAL_TREES
while (to_visit > to_visit0) {
to_visit -= 3;
pt0 = to_visit[0];
*pt0 = (CELL)to_visit[2];
{
size_t d1 = to_visit-to_visit0;
size_t d2 = to_visit_max-to_visit0;
to_visit0 = Realloc(to_visit0,d2*sizeof(CELL*)+64*1024);
to_visit = to_visit0+d1;
to_visit_max = to_visit0+(d2+(64*1024))/sizeof(CELL **);
}
#endif
LOCAL_Error_TYPE = RESOURCE_ERROR_AUXILIARY_STACK;
clean_tr(TR0 PASS_REGS);
Yap_ReleasePreAllocCodeSpace((ADDR)to_visit0);
HR = InitialH;
return 0L;
pt0--;
goto restart;
global_overflow:
#ifdef RATIONAL_TREES
@ -1840,7 +1849,7 @@ static Term attvars_in_complex_term(register CELL *pt0, register CELL *pt0_end,
}
#endif
clean_tr(TR0 PASS_REGS);
Yap_ReleasePreAllocCodeSpace((ADDR)to_visit0);
pop_text_stack(lvl);
HR = InitialH;
LOCAL_Error_TYPE = RESOURCE_ERROR_STACK;
LOCAL_Error_Size = (ASP-HR)*sizeof(CELL);
@ -1866,6 +1875,8 @@ p_term_attvars( USES_REGS1 ) /* variables in term t */
}
else {
Functor f = FunctorOfTerm(t);
if (IsExtensionFunctor(f))
return Yap_unify(TermNil, ARG2);
out = attvars_in_complex_term(RepAppl(t),
RepAppl(t)+
ArityOfFunctor(f), TermNil PASS_REGS);

View File

@ -936,6 +936,7 @@ catch(G, C, A) :-
'$catch'(M:G,C,A).
'$catch'(MG,_,_) :-
writeln(MG),
'$$save_by'(CP0),
'$execute'(MG),
'$$save_by'(CP1),