Beispiel #1
0
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();
}
Beispiel #2
0
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;
}
Beispiel #3
0
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));
  }
}
Beispiel #4
0
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;
}
Beispiel #5
0
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)));
    }
  }
}
Beispiel #6
0
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);
}