int main(int argc, char **argv) {
QCoreApplication qca(argc, argv);
QTextStream out(stdout, QIODevice::WriteOnly);
QList<QString> sites;
sites << "www.yale.edu";
sites << "www.google.com";
sites << "mail.google.com";
sites << "www.amazon.com";
sites << "www.mit.edu";
sites << "www.verisign.com";
/*
sites << "www.dell.com";
sites << "www.softlayer.com";
sites << "www.berkeley.edu";
sites << "www.yahoo.com";
*/
QList<quint16> ports;
for(int i=0; i<sites.count(); i++) {
ports << 443;
}
QByteArray msg = "The secret message";
CertificateFetcher *c = new CertificateFetcher(msg);
QObject::connect(c, SIGNAL(Signed(QByteArray)), &qca, SLOT(quit()));
c->Fetch(sites, ports);
return QCoreApplication::exec();
}
static void InitEnvInst(yamop start[2], yamop **instp, op_numbers opc,
PredEntry *pred) {
yamop *ipc = start;
/* make it look like the instruction is preceeded by a call instruction */
ipc->opc = Yap_opcode(_call);
ipc->y_u.Osbpp.s = -Signed(RealEnvSize);
ipc->y_u.Osbpp.bmap = NULL;
ipc->y_u.Osbpp.p = pred;
ipc->y_u.Osbpp.p0 = pred;
ipc = NEXTOP(ipc, Osbpp);
ipc->opc = Yap_opcode(opc);
*instp = ipc;
}
void Yap_InitAsmPred(const char *Name, arity_t Arity, int code, CPredicate def,
pred_flags_t flags) {
CACHE_REGS
Atom atom = NIL;
PredEntry *pe = NULL;
Functor f = NULL;
while (atom == NIL) {
atom = Yap_FullLookupAtom(Name);
if (atom == NIL && !Yap_growheap(FALSE, 0L, NULL)) {
Yap_Error(RESOURCE_ERROR_HEAP, TermNil, "while initializing %s", Name);
return;
}
}
if (Arity) {
while (!f) {
f = Yap_MkFunctor(atom, Arity);
if (!f && !Yap_growheap(FALSE, 0L, NULL)) {
Yap_Error(RESOURCE_ERROR_HEAP, TermNil, "while initializing %s", Name);
return;
}
}
}
while (pe == NULL) {
if (Arity)
pe = RepPredProp(PredPropByFunc(f, CurrentModule));
else
pe = RepPredProp(PredPropByAtom(atom, CurrentModule));
if (!pe && !Yap_growheap(FALSE, sizeof(PredEntry), NULL)) {
Yap_Error(RESOURCE_ERROR_HEAP, TermNil, "while initializing %s", Name);
return;
}
}
flags |= AsmPredFlag | StandardPredFlag | (code);
if (pe->PredFlags & AsmPredFlag) {
flags = update_flags_from_prolog(flags, pe);
/* already exists */
}
pe->PredFlags = flags;
pe->cs.f_code = def;
pe->ModuleOfPred = CurrentModule;
if (def != NULL) {
yamop *p_code = ((StaticClause *)NULL)->ClCode;
StaticClause *cl;
if (pe->CodeOfPred == (yamop *)(&(pe->OpcodeOfPred))) {
if (flags & SafePredFlag) {
cl = (StaticClause *)Yap_AllocCodeSpace(
(CELL)NEXTOP(NEXTOP(NEXTOP(((yamop *)p_code), Osbpp), p), l));
} else {
cl = (StaticClause *)Yap_AllocCodeSpace((CELL)NEXTOP(
NEXTOP(NEXTOP(NEXTOP(NEXTOP(((yamop *)p_code), e), Osbpp), p), p),
l));
}
if (!cl) {
Yap_Error(RESOURCE_ERROR_HEAP, TermNil, "No Heap Space in InitAsmPred");
return;
}
Yap_ClauseSpace +=
(CELL)NEXTOP(NEXTOP(NEXTOP(((yamop *)p_code), Osbpp), p), l);
} else {
cl = ClauseCodeToStaticClause(pe->CodeOfPred);
}
cl->ClFlags = StaticMask;
cl->ClNext = NULL;
if (flags & SafePredFlag) {
cl->ClSize = (CELL)NEXTOP(NEXTOP(NEXTOP(((yamop *)p_code), Osbpp), e), e);
} else {
cl->ClSize = (CELL)NEXTOP(
NEXTOP(NEXTOP(NEXTOP(NEXTOP(((yamop *)p_code), e), Osbpp), p), e), e);
}
cl->usc.ClLine = Yap_source_line_no();
p_code = cl->ClCode;
pe->CodeOfPred = p_code;
if (!(flags & SafePredFlag)) {
p_code->opc = Yap_opcode(_allocate);
p_code = NEXTOP(p_code, e);
}
p_code->opc = Yap_opcode(_call_cpred);
p_code->y_u.Osbpp.bmap = NULL;
p_code->y_u.Osbpp.s = -Signed(RealEnvSize);
p_code->y_u.Osbpp.p = p_code->y_u.Osbpp.p0 = pe;
p_code = NEXTOP(p_code, Osbpp);
if (!(flags & SafePredFlag)) {
p_code->opc = Yap_opcode(_deallocate);
p_code->y_u.p.p = pe;
p_code = NEXTOP(p_code, p);
}
p_code->opc = Yap_opcode(_procceed);
p_code->y_u.p.p = pe;
p_code = NEXTOP(p_code, p);
p_code->opc = Yap_opcode(_Ystop);
p_code->y_u.l.l = cl->ClCode;
pe->OpcodeOfPred = pe->CodeOfPred->opc;
} else {
pe->OpcodeOfPred = Yap_opcode(_undef_p);
pe->CodeOfPred = (yamop *)(&(pe->OpcodeOfPred));
}
}
void Yap_InitCPred(const char *Name, arity_t Arity, CPredicate code,
pred_flags_t flags) {
CACHE_REGS
Atom atom = NIL;
PredEntry *pe = NULL;
yamop *p_code;
StaticClause *cl = NULL;
Functor f = NULL;
while (atom == NIL) {
if (flags & UserCPredFlag)
atom = Yap_LookupAtom(Name);
else
atom = Yap_FullLookupAtom(Name);
if (atom == NIL && !Yap_growheap(FALSE, 0L, NULL)) {
Yap_Error(RESOURCE_ERROR_HEAP, TermNil, "while initializing %s", Name);
return;
}
}
if (Arity) {
while (!f) {
f = Yap_MkFunctor(atom, Arity);
if (!f && !Yap_growheap(FALSE, 0L, NULL)) {
Yap_Error(RESOURCE_ERROR_HEAP, TermNil, "while initializing %s", Name);
return;
}
}
}
while (pe == NULL) {
if (Arity)
pe = RepPredProp(PredPropByFunc(f, CurrentModule));
else
pe = RepPredProp(PredPropByAtom(atom, CurrentModule));
if (!pe && !Yap_growheap(FALSE, sizeof(PredEntry), NULL)) {
Yap_Error(RESOURCE_ERROR_HEAP, TermNil, "while initializing %s", Name);
return;
}
}
if (pe->PredFlags & CPredFlag) {
/* already exists */
flags = update_flags_from_prolog(flags, pe);
cl = ClauseCodeToStaticClause(pe->CodeOfPred);
if ((flags | StandardPredFlag | CPredFlag) != pe->PredFlags) {
Yap_ClauseSpace -= cl->ClSize;
Yap_FreeCodeSpace((ADDR)cl);
cl = NULL;
}
}
p_code = cl->ClCode;
while (!cl) {
UInt sz;
if (flags & SafePredFlag) {
sz = (CELL)NEXTOP(NEXTOP(NEXTOP(p_code, Osbpp), p), l);
} else {
sz = (CELL)NEXTOP(NEXTOP(NEXTOP(NEXTOP(NEXTOP(p_code, e), p), Osbpp), p),
l);
}
cl = (StaticClause *)Yap_AllocCodeSpace(sz);
if (!cl) {
if (!Yap_growheap(FALSE, sz, NULL)) {
Yap_Error(RESOURCE_ERROR_HEAP, TermNil, "while initializing %s", Name);
return;
}
} else {
Yap_ClauseSpace += sz;
cl->ClFlags = StaticMask;
cl->ClNext = NULL;
cl->ClSize = sz;
cl->usc.ClLine = Yap_source_line_no();
p_code = cl->ClCode;
}
}
pe->CodeOfPred = p_code;
pe->PredFlags = flags | StandardPredFlag | CPredFlag;
pe->src.OwnerFile = Yap_ConsultingFile(PASS_REGS1);
pe->cs.f_code = code;
if (!(flags & SafePredFlag)) {
p_code->opc = Yap_opcode(_allocate);
p_code = NEXTOP(p_code, e);
}
if (flags & UserCPredFlag)
p_code->opc = Yap_opcode(_call_usercpred);
else
p_code->opc = Yap_opcode(_call_cpred);
p_code->y_u.Osbpp.bmap = NULL;
p_code->y_u.Osbpp.s = -Signed(RealEnvSize);
p_code->y_u.Osbpp.p = p_code->y_u.Osbpp.p0 = pe;
p_code = NEXTOP(p_code, Osbpp);
if (!(flags & SafePredFlag)) {
p_code->opc = Yap_opcode(_deallocate);
p_code->y_u.p.p = pe;
p_code = NEXTOP(p_code, p);
}
p_code->opc = Yap_opcode(_procceed);
p_code->y_u.p.p = pe;
p_code = NEXTOP(p_code, p);
p_code->opc = Yap_opcode(_Ystop);
p_code->y_u.l.l = cl->ClCode;
pe->OpcodeOfPred = pe->CodeOfPred->opc;
}
inline static Int compare(Term t1, Term t2) /* compare terms t1 and t2 */
{
if (t1 == t2)
return 0;
if (IsVarTerm(t1)) {
if (IsVarTerm(t2))
return Signed(t1) - Signed(t2);
return -1;
} else if (IsVarTerm(t2)) {
/* get rid of variables */
return 1;
}
if (IsAtomOrIntTerm(t1)) {
if (IsAtomTerm(t1)) {
if (IsAtomTerm(t2))
return cmp_atoms(AtomOfTerm(t1), AtomOfTerm(t2));
if (IsPrimitiveTerm(t2))
return 1;
if (IsStringTerm(t2))
return 1;
return -1;
} else {
if (IsIntTerm(t2)) {
return IntOfTerm(t1) - IntOfTerm(t2);
}
if (IsApplTerm(t2)) {
Functor fun2 = FunctorOfTerm(t2);
switch ((CELL)fun2) {
case double_e:
return 1;
case long_int_e:
return IntOfTerm(t1) - LongIntOfTerm(t2);
#ifdef USE_GMP
case big_int_e:
return Yap_gmp_tcmp_int_big(IntOfTerm(t1), t2);
#endif
case db_ref_e:
return 1;
case string_e:
return -1;
}
}
return -1;
}
} else if (IsPairTerm(t1)) {
if (IsApplTerm(t2)) {
Functor f = FunctorOfTerm(t2);
if (IsExtensionFunctor(f))
return 1;
else {
if (f != FunctorDot)
return strcmp(".", RepAtom(NameOfFunctor(f))->StrOfAE);
else {
return compare_complex(RepPair(t1) - 1, RepPair(t1) + 1, RepAppl(t2));
}
}
}
if (IsPairTerm(t2)) {
return (
compare_complex(RepPair(t1) - 1, RepPair(t1) + 1, RepPair(t2) - 1));
} else
return 1;
} else {
/* compound term */
Functor fun1 = FunctorOfTerm(t1);
if (IsExtensionFunctor(fun1)) {
/* float, long, big, dbref */
switch ((CELL)fun1) {
case double_e: {
if (IsFloatTerm(t2))
return (rfloat(FloatOfTerm(t1) - FloatOfTerm(t2)));
if (IsRefTerm(t2))
return 1;
return -1;
}
case long_int_e: {
if (IsIntTerm(t2))
return LongIntOfTerm(t1) - IntOfTerm(t2);
if (IsFloatTerm(t2)) {
return 1;
}
if (IsLongIntTerm(t2))
return LongIntOfTerm(t1) - LongIntOfTerm(t2);
#ifdef USE_GMP
if (IsBigIntTerm(t2)) {
return Yap_gmp_tcmp_int_big(LongIntOfTerm(t1), t2);
}
#endif
if (IsRefTerm(t2))
return 1;
return -1;
}
#ifdef USE_GMP
case big_int_e: {
if (IsIntTerm(t2))
return Yap_gmp_tcmp_big_int(t1, IntOfTerm(t2));
if (IsFloatTerm(t2)) {
return 1;
}
if (IsLongIntTerm(t2))
return Yap_gmp_tcmp_big_int(t1, LongIntOfTerm(t2));
if (IsBigIntTerm(t2)) {
return Yap_gmp_tcmp_big_big(t1, t2);
}
if (IsRefTerm(t2))
return 1;
return -1;
}
#endif
case string_e: {
if (IsApplTerm(t2)) {
Functor fun2 = FunctorOfTerm(t2);
switch ((CELL)fun2) {
case double_e:
return 1;
case long_int_e:
return 1;
#ifdef USE_GMP
case big_int_e:
return 1;
#endif
case db_ref_e:
return 1;
case string_e:
return strcmp((char *)StringOfTerm(t1), (char *)StringOfTerm(t2));
}
return -1;
}
return -1;
}
case db_ref_e:
if (IsRefTerm(t2))
return Unsigned(RefOfTerm(t2)) - Unsigned(RefOfTerm(t1));
return -1;
}
}
if (!IsApplTerm(t2)) {
if (IsPairTerm(t2)) {
Int out;
Functor f = FunctorOfTerm(t1);
if (!(out = ArityOfFunctor(f)) - 2)
out = strcmp((char *)RepAtom(NameOfFunctor(f))->StrOfAE, ".");
return out;
}
return 1;
} else {
Functor fun2 = FunctorOfTerm(t2);
Int r;
if (IsExtensionFunctor(fun2)) {
return 1;
}
r = ArityOfFunctor(fun1) - ArityOfFunctor(fun2);
if (r)
return r;
r = cmp_atoms(NameOfFunctor(fun1), NameOfFunctor(fun2));
if (r)
return r;
else
return (compare_complex(RepAppl(t1), RepAppl(t1) + ArityOfFunctor(fun1),
RepAppl(t2)));
}
}
}
static Int compare_complex(register CELL *pt0, register CELL *pt0_end,
register CELL *pt1) {
CACHE_REGS
register CELL **to_visit = (CELL **)HR;
register Int out = 0;
loop:
while (pt0 < pt0_end) {
register CELL d0, d1;
++pt0;
++pt1;
d0 = Derefa(pt0);
d1 = Derefa(pt1);
if (IsVarTerm(d0)) {
if (IsVarTerm(d1)) {
out = Signed(d0) - Signed(d1);
if (out)
goto done;
} else {
out = -1;
goto done;
}
} else if (IsVarTerm(d1)) {
out = 1;
goto done;
} else {
if (d0 == d1)
continue;
else if (IsAtomTerm(d0)) {
if (IsAtomTerm(d1))
out = cmp_atoms(AtomOfTerm(d0), AtomOfTerm(d1));
else if (IsPrimitiveTerm(d1))
out = 1;
else
out = -1;
/* I know out must be != 0 */
goto done;
} else if (IsIntTerm(d0)) {
if (IsIntTerm(d1))
out = IntOfTerm(d0) - IntOfTerm(d1);
else if (IsFloatTerm(d1)) {
out = 1;
} else if (IsLongIntTerm(d1)) {
out = IntOfTerm(d0) - LongIntOfTerm(d1);
#ifdef USE_GMP
} else if (IsBigIntTerm(d1)) {
out = Yap_gmp_tcmp_int_big(IntOfTerm(d0), d1);
#endif
} else if (IsRefTerm(d1))
out = 1;
else
out = -1;
if (out != 0)
goto done;
} else if (IsFloatTerm(d0)) {
if (IsFloatTerm(d1)) {
out = rfloat(FloatOfTerm(d0) - FloatOfTerm(d1));
} else if (IsRefTerm(d1)) {
out = 1;
} else {
out = -1;
}
if (out != 0)
goto done;
} else if (IsStringTerm(d0)) {
if (IsStringTerm(d1)) {
out = strcmp((char *)StringOfTerm(d0), (char *)StringOfTerm(d1));
} else if (IsIntTerm(d1))
out = 1;
else if (IsFloatTerm(d1)) {
out = 1;
} else if (IsLongIntTerm(d1)) {
out = 1;
#ifdef USE_GMP
} else if (IsBigIntTerm(d1)) {
out = 1;
#endif
} else if (IsRefTerm(d1)) {
out = 1;
} else {
out = -1;
}
if (out != 0)
goto done;
} else if (IsLongIntTerm(d0)) {
if (IsIntTerm(d1))
out = LongIntOfTerm(d0) - IntOfTerm(d1);
else if (IsFloatTerm(d1)) {
out = 1;
} else if (IsLongIntTerm(d1)) {
out = LongIntOfTerm(d0) - LongIntOfTerm(d1);
#ifdef USE_GMP
} else if (IsBigIntTerm(d1)) {
out = Yap_gmp_tcmp_int_big(LongIntOfTerm(d0), d1);
#endif
} else if (IsRefTerm(d1)) {
out = 1;
} else {
out = -1;
}
if (out != 0)
goto done;
}
#ifdef USE_GMP
else if (IsBigIntTerm(d0)) {
if (IsIntTerm(d1)) {
out = Yap_gmp_tcmp_big_int(d0, IntOfTerm(d1));
} else if (IsFloatTerm(d1)) {
out = 1;
} else if (IsLongIntTerm(d1)) {
out = Yap_gmp_tcmp_big_int(d0, LongIntOfTerm(d1));
} else if (IsBigIntTerm(d1)) {
out = Yap_gmp_tcmp_big_big(d0, d1);
} else if (IsRefTerm(d1))
out = 1;
else
out = -1;
if (out != 0)
goto done;
}
#endif
else if (IsPairTerm(d0)) {
if (!IsPairTerm(d1)) {
if (IsApplTerm(d1)) {
Functor f = FunctorOfTerm(d1);
if (IsExtensionFunctor(f))
out = 1;
else if (!(out = 2 - ArityOfFunctor(f)))
out = strcmp(".", (char *)RepAtom(NameOfFunctor(f))->StrOfAE);
} else
out = 1;
goto done;
}
#ifdef RATIONAL_TREES
to_visit[0] = pt0;
to_visit[1] = pt0_end;
to_visit[2] = pt1;
to_visit[3] = (CELL *)*pt0;
to_visit += 4;
*pt0 = d1;
#else
/* store the terms to visit */
if (pt0 < pt0_end) {
to_visit[0] = pt0;
to_visit[1] = pt0_end;
to_visit[2] = pt1;
to_visit += 3;
}
#endif
pt0 = RepPair(d0) - 1;
pt0_end = RepPair(d0) + 1;
pt1 = RepPair(d1) - 1;
continue;
} else if (IsRefTerm(d0)) {
if (IsRefTerm(d1))
out = Unsigned(RefOfTerm(d1)) - Unsigned(RefOfTerm(d0));
else
out = -1;
goto done;
} else if (IsApplTerm(d0)) {
register Functor f;
register CELL *ap2, *ap3;
if (!IsApplTerm(d1)) {
out = 1;
goto done;
} else {
/* store the terms to visit */
Functor f2;
ap2 = RepAppl(d0);
ap3 = RepAppl(d1);
f = (Functor)(*ap2);
if (IsExtensionFunctor(f)) {
out = 1;
goto done;
}
f2 = (Functor)(*ap3);
if (IsExtensionFunctor(f2)) {
out = -1;
goto done;
}
/* compare functors */
if (f != (Functor)*ap3) {
if (!(out = ArityOfFunctor(f) - ArityOfFunctor(f2)))
out = cmp_atoms(NameOfFunctor(f), NameOfFunctor(f2));
goto done;
}
#ifdef RATIONAL_TREES
to_visit[0] = pt0;
to_visit[1] = pt0_end;
to_visit[2] = pt1;
to_visit[3] = (CELL *)*pt0;
to_visit += 4;
*pt0 = d1;
#else
/* store the terms to visit */
if (pt0 < pt0_end) {
to_visit[0] = pt0;
to_visit[1] = pt0_end;
to_visit[2] = pt1;
to_visit += 3;
}
#endif
d0 = ArityOfFunctor(f);
pt0 = ap2;
pt0_end = ap2 + d0;
pt1 = ap3;
continue;
}
}
}
}
/* Do we still have compound terms to visit */
if (to_visit > (CELL **)HR) {
#ifdef RATIONAL_TREES
to_visit -= 4;
pt0 = to_visit[0];
pt0_end = to_visit[1];
pt1 = to_visit[2];
*pt0 = (CELL)to_visit[3];
#else
to_visit -= 3;
pt0 = to_visit[0];
pt0_end = to_visit[1];
pt1 = to_visit[2];
#endif
goto loop;
}
done:
/* failure */
#ifdef RATIONAL_TREES
while (to_visit > (CELL **)HR) {
to_visit -= 4;
pt0 = to_visit[0];
pt0_end = to_visit[1];
pt1 = to_visit[2];
*pt0 = (CELL)to_visit[3];
}
#endif
return (out);
}
