Package jp.ac.kobe_u.cs.prolog.lang

Examples of jp.ac.kobe_u.cs.prolog.lang.RepresentationException

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    if (str.length() != 1) {
      throw new IllegalTypeException(this, 2, "character", a2);
    }
    c = str.charAt(0);
    if (!Character.isDefined(c)) {
      throw new RepresentationException(this, 2, "character");
    }
    ((PrintWriter) stream).print(c);
    return cont;
  }
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      }
      chars = line.toCharArray();
      t = Prolog.Nil;
      for (int i = chars.length; i > 0; i--) {
        if (!Character.isDefined((int) chars[i - 1])) {
          throw new RepresentationException(this, 0, "character");
        }
        t = new ListTerm(new IntegerTerm(chars[i - 1]), t);
      }
      if (!a2.unify(t, engine.trail)) {
        return engine.fail();
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      if (!a2.isInteger()) {
        throw new IllegalTypeException(this, 2, "in_byte", a2);
      }
      int n = ((IntegerTerm) a2).intValue();
      if (n != -1 && (n < 0 || n > 255)) {
        throw new RepresentationException(this, 2, "in_byte");
      }
    }
    // S_or_a
    a1 = a1.dereference();
    if (a1.isVariable()) {
      throw new PInstantiationException(this, 1);
    } else if (a1.isSymbol()) {
      if (!engine.getStreamManager().containsKey(a1)) {
        throw new ExistenceException(this, 1, "stream", a1, "");
      }
      stream = ((JavaObjectTerm) engine.getStreamManager().get(a1))
          .object();
    } else if (a1.isJavaObject()) {
      stream = ((JavaObjectTerm) a1).object();
    } else {
      throw new IllegalDomainException(this, 1, "stream_or_alias", a1);
    }
    if (!(stream instanceof PushbackReader)) {
      throw new PermissionException(this, "input", "stream", a1, "");
    }
    // read single byte
    try {
      int c = ((PushbackReader) stream).read();
      if (c < 0) { // EOF
        if (!a2.unify(INT_EOF, engine.trail)) {
          return engine.fail();
        }
        return cont;
      }
      if (c > 255) {
        throw new RepresentationException(this, 0, "byte");
      }
      if (!a2.unify(new IntegerTerm(c), engine.trail)) {
        return engine.fail();
      }
      return cont;
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      Term car = ((ListTerm) tmp).car().dereference();
      if (car.isVariable()) {
        throw new PInstantiationException(this, 1);
      }
      if (!car.isInteger()) {
        throw new RepresentationException(this, 1, "integer");
      }
      // car is an integer
      int i = ((IntegerTerm) car).intValue();
      Term e = engine.internalDB.get(i);
      if (e != null) {
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        Term car = ((ListTerm) x).car().dereference();
        if (car.isVariable()) {
          throw new PInstantiationException(this, 2);
        }
        if (!car.isInteger()) {
          throw new RepresentationException(this, 2, "character_code");
        }
        // car is an integer
        int i = ((IntegerTerm) car).intValue();
        if (!Character.isDefined((char) i)) {
          throw new RepresentationException(this, 2, "character_code");
        }
        sb.append((char) i);
        x = ((ListTerm) x).cdr().dereference();
      }
      if (!a1.unify(SymbolTerm.makeSymbol(sb.toString()), engine.trail)) {
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      if (!a2.isInteger()) {
        throw new IllegalTypeException(this, 2, "in_byte", a2);
      }
      int n = ((IntegerTerm) a2).intValue();
      if (n != -1 && (n < 0 || n > 255)) {
        throw new RepresentationException(this, 2, "in_byte");
      }
    }
    // S_or_a
    a1 = a1.dereference();
    if (a1.isVariable()) {
      throw new PInstantiationException(this, 1);
    } else if (a1.isSymbol()) {
      if (!engine.getStreamManager().containsKey(a1)) {
        throw new ExistenceException(this, 1, "stream", a1, "");
      }
      stream = ((JavaObjectTerm) engine.getStreamManager().get(a1))
          .object();
    } else if (a1.isJavaObject()) {
      stream = ((JavaObjectTerm) a1).object();
    } else {
      throw new IllegalDomainException(this, 1, "stream_or_alias", a1);
    }
    if (!(stream instanceof PushbackReader)) {
      throw new PermissionException(this, "input", "stream", a1, "");
    }
    // read single byte
    try {
      int c = ((PushbackReader) stream).read();
      if (c < 0) { // EOF
        if (!a2.unify(INT_EOF, engine.trail)) {
          return engine.fail();
        }
        return cont;
      }
      if (c > 255) {
        throw new RepresentationException(this, 0, "byte");
      }
      ((PushbackReader) stream).unread(c);
      if (!a2.unify(new IntegerTerm(c), engine.trail)) {
        return engine.fail();
      }
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      if (!a2.isInteger()) {
        throw new IllegalTypeException(this, 2, "integer", a2);
      }
      int n = ((IntegerTerm) a2).intValue();
      if (n != -1 && !Character.isDefined(n)) {
        throw new RepresentationException(this, 2, "in_character_code");
      }
    }
    // S_or_a
    a1 = a1.dereference();
    if (a1.isVariable()) {
      throw new PInstantiationException(this, 1);
    } else if (a1.isSymbol()) {
      if (!engine.getStreamManager().containsKey(a1)) {
        throw new ExistenceException(this, 1, "stream", a1, "");
      }
      stream = ((JavaObjectTerm) engine.getStreamManager().get(a1))
          .object();
    } else if (a1.isJavaObject()) {
      stream = ((JavaObjectTerm) a1).object();
    } else {
      throw new IllegalDomainException(this, 1, "stream_or_alias", a1);
    }
    if (!(stream instanceof PushbackReader)) {
      throw new PermissionException(this, "input", "stream", a1, "");
    }
    // read a non-blank single character
    try {
      PushbackReader in = (PushbackReader) stream;
      int c = in.read();
      while (Character.isWhitespace((char) c)) {
        c = in.read();
      }
      if (c < 0) { // EOF
        if (!a2.unify(INT_EOF, engine.trail)) {
          return engine.fail();
        }
        return cont;
      }
      if (!Character.isDefined(c)) {
        throw new RepresentationException(this, 0, "character");
      }
      if (!a2.unify(new IntegerTerm(c), engine.trail)) {
        return engine.fail();
      }
      return cont;
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      if (!a2.isInteger()) {
        throw new IllegalTypeException(this, 2, "integer", a2);
      }
      int n = ((IntegerTerm) a2).intValue();
      if (n != -1 && !Character.isDefined(n)) {
        throw new RepresentationException(this, 2, "in_character_code");
      }
    }
    // S_or_a
    a1 = a1.dereference();
    if (a1.isVariable()) {
      throw new PInstantiationException(this, 1);
    } else if (a1.isSymbol()) {
      if (!engine.getStreamManager().containsKey(a1)) {
        throw new ExistenceException(this, 1, "stream", a1, "");
      }
      stream = ((JavaObjectTerm) engine.getStreamManager().get(a1))
          .object();
    } else if (a1.isJavaObject()) {
      stream = ((JavaObjectTerm) a1).object();
    } else {
      throw new IllegalDomainException(this, 1, "stream_or_alias", a1);
    }
    if (!(stream instanceof PushbackReader)) {
      throw new PermissionException(this, "input", "stream", a1, "");
    }
    // read single character
    try {
      int c = ((PushbackReader) stream).read();
      if (c < 0) { // EOF
        if (!a2.unify(INT_EOF, engine.trail)) {
          return engine.fail();
        }
        return cont;
      }
      if (!Character.isDefined(c)) {
        throw new RepresentationException(this, 0, "character");
      }
      ((PushbackReader) stream).unread(c);
      if (!a2.unify(new IntegerTerm(c), engine.trail)) {
        return engine.fail();
      }
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      throw new PermissionException(this, "output", "stream", a1, "");
    }
    // print single character
    c = ((IntegerTerm) a2).intValue();
    if (!Character.isDefined(c)) {
      throw new RepresentationException(this, 2, "character");
    }
    ((PrintWriter) stream).print((char) c);
    return cont;
  }
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      } else if (!a2.isInteger()) {
        throw new IllegalTypeException(this, 2, "integer", a2);
      }
      int i = ((IntegerTerm) a2).intValue();
      if (!Character.isDefined(i)) {
        throw new RepresentationException(this, 2, "character_code");
      }
      if (!a1.unify(SymbolTerm.makeSymbol(String.valueOf((char) i)),
          engine.trail)) {
        return engine.fail();
      }
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Related Classes of jp.ac.kobe_u.cs.prolog.lang.RepresentationException

  • jp.ac.kobe_u.cs.prolog.builtin.PRED_$get_instances_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_atom_codes_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_char_code_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_get_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_get_byte_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_get_char_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_get_code_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_number_codes_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_peek_byte_2
  • jp.ac.kobe_u.cs.prolog.builtin.PRED_peek_char_2
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