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fox tracing/

This commit is contained in:
Vítor Santos Costa 2015-07-22 19:05:06 -05:00
parent 69344f26d1
commit 99948c5acc
1 changed files with 68 additions and 62 deletions
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130
C/exec.c
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@ -80,6 +80,8 @@ CallPredicate(PredEntry *pen, choiceptr cut_pt, yamop *code USES_REGS) {
inline static Int
CallMetaCall(Term t, Term mod USES_REGS) {
// we have a creep requesr waiting
ARG1 = t;
ARG2 = cp_as_integer(B PASS_REGS); /* p_current_choice_point */
ARG3 = t;
@ -88,7 +90,11 @@ CallMetaCall(Term t, Term mod USES_REGS) {
} else {
ARG4 = TermProlog;
}
return CallPredicate(PredMetaCall, B, PredMetaCall->CodeOfPred PASS_REGS);
if ( Yap_GetGlobal( AtomDebugMeta ) == TermOn ) {
return CallPredicate(PredTraceMetaCall, B, PredTraceMetaCall->CodeOfPred PASS_REGS);
} else {
return CallPredicate(PredMetaCall, B, PredMetaCall->CodeOfPred PASS_REGS);
}
}
Term
@ -99,6 +105,9 @@ Yap_ExecuteCallMetaCall(Term mod) {
ts[1] = cp_as_integer(B PASS_REGS); /* p_current_choice_point */
ts[2] = ARG1;
ts[3] = mod;
if ( Yap_GetGlobal( AtomDebugMeta ) == TermOn ) {
return Yap_MkApplTerm(PredTraceMetaCall->FunctorOfPred,3,ts);
}
return Yap_MkApplTerm(PredMetaCall->FunctorOfPred,4,ts);
}
@ -180,7 +189,7 @@ static Int
trail_suspension_marker( USES_REGS1 )
{
Term t = Deref(ARG1);
TrailTerm(TR) = AbsPair((CELL*)t);
TR++;
return TRUE;
@ -212,7 +221,7 @@ restart_exec:
register CELL *pt;
PredEntry *pen;
unsigned int i, arity;
f = FunctorOfTerm(t);
if (IsExtensionFunctor(f)) {
return CallError(TYPE_ERROR_CALLABLE, t, mod PASS_REGS);
@ -255,8 +264,8 @@ restart_exec:
else
XREGS[i] = d0;
#else
XREGS[i] = *pt++;
#endif
}
@ -264,7 +273,7 @@ restart_exec:
} else if (IsAtomTerm(t)) {
PredEntry *pe;
Atom a = AtomOfTerm(t);
if (a == AtomTrue || a == AtomOtherwise || a == AtomCut)
return(TRUE);
else if (a == AtomFail || (a == AtomFalse && !RepPredProp(PredPropByAtom(a, mod))->ModuleOfPred) )
@ -286,7 +295,7 @@ copy_execn_to_heap(Functor f, CELL *pt, unsigned int n, unsigned int arity, Term
CELL *h0 = HR;
Term tf;
unsigned int i;
if (arity == 2 &&
NameOfFunctor(f) == AtomDot) {
for (i = 0; i<arity-n;i++) {
@ -326,7 +335,7 @@ do_execute_n(Term t, Term mod, unsigned int n USES_REGS)
unsigned int i, arity;
int j = -n;
Term t0 = t;
restart_exec:
if (IsVarTerm(t)) {
return CallError(INSTANTIATION_ERROR, t0, mod PASS_REGS);
@ -411,7 +420,7 @@ restart_exec:
static Int
EnterCreepMode(Term t, Term mod USES_REGS) {
PredEntry *PredCreep;
if (Yap_get_signal( YAP_CDOVF_SIGNAL ) ) {
ARG1 = t;
if (!Yap_locked_growheap(FALSE, 0, NULL)) {
@ -620,7 +629,7 @@ execute_clause( USES_REGS1 )
Prop pe;
yamop *code;
Term clt = Deref(ARG3);
restart_exec:
if (IsVarTerm(t)) {
Yap_Error(INSTANTIATION_ERROR,ARG3,"call/1");
@ -632,7 +641,7 @@ restart_exec:
register Functor f = FunctorOfTerm(t);
register unsigned int i;
register CELL *pt;
if (IsExtensionFunctor(f))
return(FALSE);
if (f == FunctorModule) {
@ -692,9 +701,9 @@ do_goal_expansion( USES_REGS1 )
Int out = FALSE;
PredEntry *pe;
Term cmod = Deref(ARG2);
ARG2 = ARG3;
/* CurMod:goal_expansion(A,B) */
if ( (pe = RepPredProp(Yap_GetPredPropByFunc(FunctorGoalExpansion2, cmod) ) ) &&
pe->OpcodeOfPred != FAIL_OPCODE &&
@ -708,7 +717,7 @@ do_goal_expansion( USES_REGS1 )
if ( (pe = RepPredProp(Yap_GetPredPropByFunc(FunctorGoalExpansion2, SYSTEM_MODULE ) ) ) &&
pe->OpcodeOfPred != FAIL_OPCODE &&
pe->OpcodeOfPred != UNDEF_OPCODE &&
Yap_execute_pred(pe, NULL PASS_REGS, false) ) {
Yap_execute_pred(pe, NULL, false PASS_REGS) ) {
out = TRUE;
ARG3 = ARG2;
goto complete;
@ -747,7 +756,7 @@ do_term_expansion( USES_REGS1 )
Int out = FALSE;
PredEntry *pe;
Term cmod = CurrentModule;
/* CurMod:term_expansion(A,B) */
if ( (pe = RepPredProp(Yap_GetPredPropByFunc(FunctorTermExpansion, cmod) ) ) &&
pe->OpcodeOfPred != FAIL_OPCODE &&
@ -786,7 +795,7 @@ execute0( USES_REGS1 )
Term mod = Deref(ARG2);
unsigned int arity;
Prop pe;
if (Yap_has_a_signal() &&
!LOCAL_InterruptsDisabled) {
return EnterCreepMode(t, mod PASS_REGS);
@ -802,7 +811,7 @@ restart_exec:
register Functor f = FunctorOfTerm(t);
register unsigned int i;
register CELL *pt;
if (IsExtensionFunctor(f))
return FALSE;
if (f == FunctorModule) {
@ -856,7 +865,7 @@ execute_nonstop( USES_REGS1 )
Term mod = Deref(ARG2);
unsigned int arity;
Prop pe;
restart_exec:
if (IsVarTerm(mod)) {
mod = CurrentModule;
@ -874,7 +883,7 @@ restart_exec:
register Functor f = FunctorOfTerm(t);
register unsigned int i;
register CELL *pt;
if (IsExtensionFunctor(f))
return(FALSE);
if (f == FunctorModule) {
@ -986,7 +995,7 @@ call_with_args(int i USES_REGS)
{
Term mod = CurrentModule, t;
int j;
t = slice_module_for_call_with_args(Deref(ARG1),&mod,i);
if (!t)
return FALSE;
@ -1089,7 +1098,7 @@ static Int
exec_absmi(bool top, yap_reset_t reset_mode USES_REGS)
{
int lval, out;
if (top && (lval = sigsetjmp (LOCAL_RestartEnv, 1)) != 0) {
switch(lval) {
case 1:
@ -1196,11 +1205,11 @@ do_goal(yamop *CodeAdr, int arity, CELL *pt, bool top USES_REGS)
{
choiceptr saved_b = B;
Int out;
Yap_PrepGoal(arity, pt, saved_b PASS_REGS);
P = (yamop *) CodeAdr;
S = CellPtr (RepPredProp (PredPropByFunc (Yap_MkFunctor(AtomCall, 1),0))); /* A1 mishaps */
out = exec_absmi(top, YAP_EXEC_ABSMI PASS_REGS);
Yap_flush();
// if (out) {
@ -1222,7 +1231,7 @@ void
Yap_fail_all( choiceptr bb USES_REGS )
{
yamop *saved_p, *saved_cp;
saved_p = P;
saved_cp = CP;
/* prune away choicepoints */
@ -1269,10 +1278,10 @@ Yap_execute_pred(PredEntry *ppe, CELL *pt, bool pass_ex USES_REGS)
yamop *saved_p, *saved_cp;
yamop *CodeAdr;
Int out;
saved_p = P;
saved_cp = CP;
PELOCK(81,ppe);
CodeAdr = ppe->CodeOfPred;
UNLOCK(ppe->PELock);
@ -1367,15 +1376,15 @@ Yap_execute_goal(Term t, int nargs, Term mod, bool pass_ex)
/* preserve the current restart environment */
/* visualc*/
/* just keep the difference because of possible garbage collections */
if (IsAtomTerm(t)) {
Atom a = AtomOfTerm(t);
pt = NULL;
pe = PredPropByAtom(a, mod);
} else if (IsApplTerm(t)) {
Functor f = FunctorOfTerm(t);
if (IsBlobFunctor(f)) {
Yap_Error(TYPE_ERROR_CALLABLE,t,"call/1");
return(FALSE);
@ -1394,7 +1403,7 @@ Yap_execute_goal(Term t, int nargs, Term mod, bool pass_ex)
return CallMetaCall(t, mod PASS_REGS);
}
return Yap_execute_pred(ppe, pt, pass_ex PASS_REGS);
}
@ -1429,7 +1438,7 @@ Yap_RunTopGoal(Term t)
UInt arity;
Term mod = CurrentModule;
Term goal_out = 0;
restart_runtopgoal:
if (IsAtomTerm(t)) {
Atom a = AtomOfTerm(t);
@ -1438,7 +1447,7 @@ restart_runtopgoal:
arity = 0;
} else if (IsApplTerm(t)) {
Functor f = FunctorOfTerm(t);
if (IsBlobFunctor(f)) {
Yap_Error(TYPE_ERROR_CALLABLE,t,"call/1");
return(FALSE);
@ -1476,7 +1485,7 @@ restart_runtopgoal:
PELOCK(82,ppe);
CodeAdr = ppe->CodeOfPred;
UNLOCK(ppe->PELock);
#if !USE_SYSTEM_MALLOC
if (LOCAL_TrailTop - HeapTop < 2048) {
LOCAL_PrologMode = BootMode;
@ -1495,7 +1504,7 @@ do_restore_regs(Term t, int restore_all USES_REGS)
Int i;
Int max = ArityOfFunctor(FunctorOfTerm(t))-4;
CELL *ptr = RepAppl(t)+5;
P = (yamop *)IntegerOfTerm(ptr[-4]);
CP = (yamop *)IntegerOfTerm(ptr[-3]);
ENV = (CELL *)(LCL0-IntegerOfTerm(ptr[-2]));
@ -1526,11 +1535,11 @@ restore_regs( USES_REGS1 )
static Int
restore_regs2( USES_REGS1 )
{
Term t = Deref(ARG1), d0;
choiceptr pt0;
Int d;
if (IsVarTerm(t)) {
Yap_Error(INSTANTIATION_ERROR,t,"support for coroutining");
return(FALSE);
@ -1581,7 +1590,7 @@ static Int
clean_ifcp( USES_REGS1 ) {
Term t = Deref(ARG1);
choiceptr pt0;
if (IsVarTerm(t)) {
Yap_Error(INSTANTIATION_ERROR, t, "cut_at/1");
return FALSE;
@ -1615,7 +1624,7 @@ clean_ifcp( USES_REGS1 ) {
static int disj_marker(yamop *apc) {
op_numbers opnum = Yap_op_from_opcode(apc->opc);
return opnum == _or_else || opnum == _or_last;
}
@ -1624,7 +1633,7 @@ static Int
cut_up_to_next_disjunction( USES_REGS1 ) {
choiceptr pt0 = B;
CELL *qenv = (CELL *)ENV[E_E];
while (pt0 &&
!( qenv == pt0->cp_env && disj_marker(pt0->cp_ap))) {
pt0 = pt0->cp_b;
@ -1651,7 +1660,7 @@ Yap_Reset(yap_reset_t mode)
{
CACHE_REGS
int res = TRUE;
if (EX) {
LOCAL_BallTerm = EX;
}
@ -1678,11 +1687,11 @@ Yap_Reset(yap_reset_t mode)
return res;
}
static int is_cleanup_cp(choiceptr cp_b)
static bool
is_cleanup_cp(choiceptr cp_b)
{
PredEntry *pe;
if (cp_b->cp_ap->opc != ORLAST_OPCODE)
return FALSE;
#ifdef YAPOR
@ -1708,7 +1717,7 @@ JumpToEnv(Term t USES_REGS) {
#endif
CELL *env, *env1;
choiceptr handler, previous = NULL;
/* throws cannot interrupt throws */
if (EX)
return FALSE;
@ -1722,21 +1731,20 @@ JumpToEnv(Term t USES_REGS) {
env1 = ENV;
do {
/* find the first choicepoint that may be a catch */
while (handler &&
while (handler &&
handler->cp_ap != pos) {
/* we are already doing a catch */
if (handler->cp_ap == catchpos) {
if (handler->cp_ap == catchpos ||
handler->cp_ap == NOCODE) {
P = (yamop *)FAILCODE;
return TRUE;
P = (yamop *)FAILCODE;
/* make sure failure will be seen at next port */
/* make sure failure will be seen at next port */
if (LOCAL_PrologMode & AsyncIntMode) {
Yap_signal(YAP_FAIL_SIGNAL);
}
HB = B->cp_h;
return TRUE;
}
HB = handler->cp_h;
B = handler;
return TRUE;
}
/* make sure we prune C-choicepoints */
while (POP_CHOICE_POINT(handler->cp_b))
{
@ -1774,7 +1782,7 @@ JumpToEnv(Term t USES_REGS) {
handler->cp_cp = (yamop *)env[E_CP];
handler->cp_env = (CELL *)env[E_E];
handler->cp_ap = catchpos;
/* can recover Heap thanks to copy term :-( */
/* B->cp_h = H; */
/* I could backtrack here, but it is easier to leave the unwinding
@ -1868,7 +1876,7 @@ Yap_InitYaamRegs( int myworker_id )
TR = TR_FZ = (tr_fr_ptr) REMOTE_TrailBase(myworker_id);
#endif /* FROZEN_STACKS */
CalculateStackGap( PASS_REGS1 );
/* the first real choice-point will also have AP=FAIL */
/* the first real choice-point will also have AP=FAIL */
/* always have an empty slots for people to use */
#if defined(YAPOR) || defined(THREADS)
LOCAL = REMOTE(myworker_id);
@ -1905,7 +1913,7 @@ uncaught_throw( USES_REGS1 )
return out;
}
Term
Term
Yap_GetException(void)
{
CACHE_REGS
@ -1940,7 +1948,7 @@ reset_exception( USES_REGS1 )
Term t;
EX = NULL;
t = Yap_GetException();
if (!t)
if (!t)
return FALSE;
return Yap_unify(t, ARG1);
}
@ -1956,7 +1964,7 @@ static Int
get_exception( USES_REGS1 )
{
Term t = Yap_GetException();
if (!t)
if (!t)
return FALSE;
return Yap_unify(t, ARG1);
}
@ -1968,7 +1976,7 @@ Yap_dogc( int extra_args, Term *tp USES_REGS )
UInt arity;
yamop *nextpc;
int i;
if (P && PREVOP(P,Osbpp)->opc == Yap_opcode(_call_usercpred)) {
arity = PREVOP(P,Osbpp)->y_u.Osbpp.p->ArityOfPE;
nextpc = P;
@ -1989,7 +1997,7 @@ Yap_dogc( int extra_args, Term *tp USES_REGS )
}
void
void
Yap_InitExecFs(void)
{
CACHE_REGS
@ -2048,5 +2056,3 @@ Yap_InitExecFs(void)
Yap_InitCPred("$do_term_expansion", 2, do_term_expansion, 0);
Yap_InitCPred("$get_exception", 1, get_exception, 0);
}