Example #1
0
  /*package*/ public NonTerminalType(IConstructor cons) {
    // TODO refactor this into different factory methods in RascalTypeFactory

    if (cons.getConstructorType() == RascalValueFactory.Tree_Appl) {
      // Note that here we go from * to + lists if the list is not empty
      this.symbol = TreeAdapter.getType((ITree) cons);
    } else if (cons.getConstructorType() == RascalValueFactory.Tree_Amb) {
      ISet alts = TreeAdapter.getAlternatives((ITree) cons);

      if (!alts.isEmpty()) {
        ITree first = (ITree) alts.iterator().next();
        this.symbol = TreeAdapter.getType(first);
      } else {
        this.symbol =
            IRascalValueFactory.getInstance().constructor(RascalValueFactory.Symbol_Empty);
      }
    } else if (cons.getConstructorType() == RascalValueFactory.Tree_Cycle) {
      this.symbol = TreeAdapter.getType((ITree) cons);
    } else if (cons.getType() == RascalValueFactory.Symbol) {
      this.symbol = cons;
    } else if (cons.getType() == RascalValueFactory.Production) {
      this.symbol = ProductionAdapter.getType(cons);
    } else {
      throw new ImplementationError("Invalid concrete syntax type constructor:" + cons);
    }
  }
Example #2
0
  @Override
  public boolean isSubtypeOfNonTerminal(RascalType other) {
    if (other == this) {
      return true;
    }
    IConstructor otherSym = ((NonTerminalType) other).symbol;

    if ((SymbolAdapter.isIterPlus(symbol)
            && (SymbolAdapter.isIterStar(otherSym) || SymbolAdapter.isIterPlus(otherSym)))
        || (SymbolAdapter.isIterStar(symbol) && SymbolAdapter.isIterStar(otherSym))) {
      RascalType nt1 = (RascalType) RTF.nonTerminalType(SymbolAdapter.getSymbol(symbol));
      RascalType nt2 = (RascalType) RTF.nonTerminalType(SymbolAdapter.getSymbol(otherSym));
      return nt1.isSubtypeOfNonTerminal(nt2);
    } else if ((SymbolAdapter.isIterPlusSeps(symbol)
            && (SymbolAdapter.isIterStarSeps(otherSym) || SymbolAdapter.isIterPlusSeps(otherSym)))
        || (SymbolAdapter.isIterStarSeps(symbol) && SymbolAdapter.isIterStarSeps(otherSym))) {
      RascalType nt1 = (RascalType) RTF.nonTerminalType(SymbolAdapter.getSymbol(symbol));
      RascalType nt2 = (RascalType) RTF.nonTerminalType(SymbolAdapter.getSymbol(otherSym));

      if (nt1.isSubtypeOfNonTerminal(nt2)) {
        IList seps1 = SymbolAdapter.getSeparators(symbol);
        IList seps2 = SymbolAdapter.getSeparators(otherSym);

        // this works around broken regular prods in the RVM which have the wrong or missing layout
        // symbols:
        int sep1index = seps1.length() == 3 ? 1 : 0;
        int sep2index = seps2.length() == 3 ? 1 : 0;

        nt1 = (RascalType) RTF.nonTerminalType((IConstructor) seps1.get(sep1index));
        nt2 = (RascalType) RTF.nonTerminalType((IConstructor) seps2.get(sep2index));
        return nt1.isSubtypeOfNonTerminal(nt2);
      }

      return false;
    } else if (SymbolAdapter.isOpt(symbol) && SymbolAdapter.isOpt(otherSym)) {
      RascalType nt1 = (RascalType) RTF.nonTerminalType(SymbolAdapter.getSymbol(symbol));
      RascalType nt2 = (RascalType) RTF.nonTerminalType(SymbolAdapter.getSymbol(otherSym));
      return nt1.isSubtypeOfNonTerminal(nt2);
    }
    //	  else if (SymbolAdapter.isSequence(symbol) && SymbolAdapter.isSeq(otherSym)) {
    // TODO pairwise issubtype
    //	  }

    if (SymbolAdapter.isParameter(otherSym)) {
      RascalType bound = (RascalType) RTF.nonTerminalType((IConstructor) otherSym.get("bound"));
      return isSubtypeOf(bound);
    }

    // TODO co-variance for the other structured symbols (sequence, opt, list)
    return SymbolAdapter.isEqual(otherSym, symbol);
  }
Example #3
0
  @Override
  public boolean equals(Object obj) {
    if (obj == null) return false;
    if (obj.getClass() == getClass()) {
      NonTerminalType other = (NonTerminalType) obj;
      return symbol.equals(other.symbol);
    }

    return false;
  }
  public boolean equals(Object o) {
    if (o == this) return true;
    if (o == null) return false;

    if (o.getClass() == getClass()) {
      AnnotatedConstructorFacade other = (AnnotatedConstructorFacade) o;

      return content.equals(other.content) && annotations.equals(other.annotations);
    }

    return false;
  }
 public IValue get(String label) {
   return content.get(label);
 }
 public int arity() {
   return content.arity();
 }
 public Type getConstructorType() {
   return content.getConstructorType();
 }
 public Type getUninstantiatedConstructorType() {
   return content.getUninstantiatedConstructorType();
 }
Example #9
0
 @Override
 public int hashCode() {
   return symbol.hashCode();
 }
 public IValue get(int i) throws IndexOutOfBoundsException {
   return content.get(i);
 }
 public String getName() {
   return content.getName();
 }
 public Iterator<IValue> iterator() {
   return content.iterator();
 }
 public boolean has(String label) {
   return content.has(label);
 }
 public boolean declaresAnnotation(TypeStore store, String label) {
   return content.declaresAnnotation(store, label);
 }
 public Type getChildrenTypes() {
   return content.getChildrenTypes();
 }
 public INode replace(int first, int second, int end, IList repl)
     throws FactTypeUseException, IndexOutOfBoundsException {
   return content.replace(first, second, end, repl);
 }
Example #17
0
 public int getArity() {
   return symbol.arity();
 }
 public IConstructor set(int index, IValue newChild) throws FactTypeUseException {
   IConstructor newContent = content.set(index, newChild);
   return new AnnotatedConstructorFacade(
       newContent, annotations); // TODO: introduce wrap() here as well	
 }
 public boolean isEqual(IValue other) {
   return content.isEqual(other);
 }
 public Iterable<IValue> getChildren() {
   return content.getChildren();
 }
 @Override
 public int hashCode() {
   return content.hashCode();
 }
    public IValue visitConstructor(IConstructor o) throws IOException {
      String name = o.getName();
      if (name == null) System.err.println("hello");
      if (name.equals("loc")) {
        append('\\');
      }

      if (name.indexOf('-') != -1) {
        append('\\');
      }
      append(name);

      boolean indent = checkIndent(o);

      append('(');
      tab();
      indent(indent);
      Iterator<IValue> it = o.iterator();
      int k = 0;
      while (it.hasNext()) {
        it.next().accept(this);
        if (it.hasNext()) {
          append(',');
          indent(indent);
        }
        k++;
      }

      if (o.mayHaveKeywordParameters()) {
        IWithKeywordParameters<? extends IConstructor> wkw = o.asWithKeywordParameters();
        if (wkw.hasParameters()) {
          if (k > 0) {
            append(',');
          }

          Iterator<Entry<String, IValue>> iterator = wkw.getParameters().entrySet().iterator();
          while (iterator.hasNext()) {
            Entry<String, IValue> e = iterator.next();

            append(e.getKey());
            append('=');
            e.getValue().accept(this);

            if (iterator.hasNext()) {
              append(',');
            }
          }
        }
      }

      append(')');
      untab();
      if (o.isAnnotatable() && o.asAnnotatable().hasAnnotations()) {
        append('[');
        tab();
        indent();
        int i = 0;
        Map<String, IValue> annotations = o.asAnnotatable().getAnnotations();
        for (Entry<String, IValue> entry : annotations.entrySet()) {
          append("@" + entry.getKey() + "=");
          entry.getValue().accept(this);

          if (++i < annotations.size()) {
            append(",");
            indent();
          }
        }
        untab();
        indent();
        append(']');
      }
      try {
        stream.flush();
      } catch (IOException e) {
        // flushing is just to make sure we get some intermediate output
      }

      return o;
    }
 public Type getType() {
   return content.getType();
 }