Esempio n. 1
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  @Override
  public Void visitClassTypeAlias(ClassTypeAlias node) {
    ElementHolder holder = new ElementHolder();
    functionTypesToFix = new ArrayList<FunctionTypeImpl>();
    visitChildren(holder, node);

    SimpleIdentifier className = node.getName();
    ClassElementImpl element = new ClassElementImpl(className);
    element.setAbstract(node.getAbstractKeyword() != null);
    element.setTypedef(true);
    TypeParameterElement[] typeParameters = holder.getTypeParameters();
    element.setTypeParameters(typeParameters);

    Type[] typeArguments = createTypeParameterTypes(typeParameters);
    InterfaceTypeImpl interfaceType = new InterfaceTypeImpl(element);
    interfaceType.setTypeArguments(typeArguments);
    element.setType(interfaceType);

    // set default constructor
    element.setConstructors(createDefaultConstructors(interfaceType));

    for (FunctionTypeImpl functionType : functionTypesToFix) {
      functionType.setTypeArguments(typeArguments);
    }
    functionTypesToFix = null;
    currentHolder.addType(element);
    className.setStaticElement(element);
    holder.validate();
    return null;
  }
Esempio n. 2
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  @Override
  public Void visitCatchClause(CatchClause node) {
    SimpleIdentifier exceptionParameter = node.getExceptionParameter();
    if (exceptionParameter != null) {
      LocalVariableElementImpl exception = new LocalVariableElementImpl(exceptionParameter);

      currentHolder.addLocalVariable(exception);
      exceptionParameter.setStaticElement(exception);

      SimpleIdentifier stackTraceParameter = node.getStackTraceParameter();
      if (stackTraceParameter != null) {
        LocalVariableElementImpl stackTrace = new LocalVariableElementImpl(stackTraceParameter);

        currentHolder.addLocalVariable(stackTrace);
        stackTraceParameter.setStaticElement(stackTrace);
      }
    }
    return super.visitCatchClause(node);
  }
Esempio n. 3
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  @Override
  public Void visitSwitchDefault(SwitchDefault node) {
    for (Label label : node.getLabels()) {
      SimpleIdentifier labelName = label.getLabel();
      LabelElementImpl element = new LabelElementImpl(labelName, false, true);

      currentHolder.addLabel(element);
      labelName.setStaticElement(element);
    }
    return super.visitSwitchDefault(node);
  }
Esempio n. 4
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  @Override
  public Void visitTypeParameter(TypeParameter node) {
    SimpleIdentifier parameterName = node.getName();
    TypeParameterElementImpl typeParameter = new TypeParameterElementImpl(parameterName);

    TypeParameterTypeImpl typeParameterType = new TypeParameterTypeImpl(typeParameter);
    typeParameter.setType(typeParameterType);

    currentHolder.addTypeParameter(typeParameter);
    parameterName.setStaticElement(typeParameter);
    return super.visitTypeParameter(node);
  }
Esempio n. 5
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  @Override
  public Void visitLabeledStatement(LabeledStatement node) {
    boolean onSwitchStatement = node.getStatement() instanceof SwitchStatement;
    for (Label label : node.getLabels()) {
      SimpleIdentifier labelName = label.getLabel();
      LabelElementImpl element = new LabelElementImpl(labelName, onSwitchStatement, false);

      currentHolder.addLabel(element);
      labelName.setStaticElement(element);
    }
    return super.visitLabeledStatement(node);
  }
Esempio n. 6
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  @Override
  public Void visitSimpleFormalParameter(SimpleFormalParameter node) {
    if (!(node.getParent() instanceof DefaultFormalParameter)) {
      SimpleIdentifier parameterName = node.getIdentifier();
      ParameterElementImpl parameter = new ParameterElementImpl(parameterName);
      parameter.setConst(node.isConst());
      parameter.setFinal(node.isFinal());
      parameter.setParameterKind(node.getKind());
      setParameterVisibleRange(node, parameter);

      currentHolder.addParameter(parameter);
      parameterName.setStaticElement(parameter);
    }
    return super.visitSimpleFormalParameter(node);
  }
Esempio n. 7
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  @Override
  public Void visitDeclaredIdentifier(DeclaredIdentifier node) {
    SimpleIdentifier variableName = node.getIdentifier();
    Token keyword = node.getKeyword();

    LocalVariableElementImpl element = new LocalVariableElementImpl(variableName);
    ForEachStatement statement = (ForEachStatement) node.getParent();
    int declarationEnd = node.getOffset() + node.getLength();
    int statementEnd = statement.getOffset() + statement.getLength();
    element.setVisibleRange(declarationEnd, statementEnd - declarationEnd - 1);
    element.setConst(matches(keyword, Keyword.CONST));
    element.setFinal(matches(keyword, Keyword.FINAL));

    currentHolder.addLocalVariable(element);
    variableName.setStaticElement(element);
    return super.visitDeclaredIdentifier(node);
  }
Esempio n. 8
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  @Override
  public Void visitFunctionTypedFormalParameter(FunctionTypedFormalParameter node) {
    if (!(node.getParent() instanceof DefaultFormalParameter)) {
      SimpleIdentifier parameterName = node.getIdentifier();
      ParameterElementImpl parameter = new ParameterElementImpl(parameterName);
      parameter.setParameterKind(node.getKind());
      setParameterVisibleRange(node, parameter);

      currentHolder.addParameter(parameter);
      parameterName.setStaticElement(parameter);
    }
    //
    // The children of this parameter include any parameters defined on the type of this parameter.
    //
    ElementHolder holder = new ElementHolder();
    visitChildren(holder, node);
    ((ParameterElementImpl) node.getElement()).setParameters(holder.getParameters());
    holder.validate();
    return null;
  }
Esempio n. 9
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  @Override
  public Void visitDefaultFormalParameter(DefaultFormalParameter node) {
    ElementHolder holder = new ElementHolder();

    SimpleIdentifier parameterName = node.getParameter().getIdentifier();
    ParameterElementImpl parameter;
    if (node.getParameter() instanceof FieldFormalParameter) {
      parameter = new DefaultFieldFormalParameterElementImpl(parameterName);
    } else {
      parameter = new DefaultParameterElementImpl(parameterName);
    }
    parameter.setConst(node.isConst());
    parameter.setFinal(node.isFinal());
    parameter.setParameterKind(node.getKind());

    // set initializer, default value range
    Expression defaultValue = node.getDefaultValue();
    if (defaultValue != null) {
      visit(holder, defaultValue);

      FunctionElementImpl initializer =
          new FunctionElementImpl(defaultValue.getBeginToken().getOffset());
      initializer.setFunctions(holder.getFunctions());
      initializer.setLabels(holder.getLabels());
      initializer.setLocalVariables(holder.getLocalVariables());
      initializer.setParameters(holder.getParameters());
      initializer.setSynthetic(true);

      parameter.setInitializer(initializer);
      parameter.setDefaultValueRange(defaultValue.getOffset(), defaultValue.getLength());
    }

    // visible range
    setParameterVisibleRange(node, parameter);

    currentHolder.addParameter(parameter);
    parameterName.setStaticElement(parameter);
    node.getParameter().accept(this);
    holder.validate();
    return null;
  }
Esempio n. 10
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  @Override
  public Void visitClassDeclaration(ClassDeclaration node) {
    ElementHolder holder = new ElementHolder();
    isValidMixin = true;
    functionTypesToFix = new ArrayList<FunctionTypeImpl>();
    visitChildren(holder, node);

    SimpleIdentifier className = node.getName();
    ClassElementImpl element = new ClassElementImpl(className);
    TypeParameterElement[] typeParameters = holder.getTypeParameters();

    Type[] typeArguments = createTypeParameterTypes(typeParameters);
    InterfaceTypeImpl interfaceType = new InterfaceTypeImpl(element);
    interfaceType.setTypeArguments(typeArguments);
    element.setType(interfaceType);

    ConstructorElement[] constructors = holder.getConstructors();
    if (constructors.length == 0) {
      //
      // Create the default constructor.
      //
      constructors = createDefaultConstructors(interfaceType);
    }
    element.setAbstract(node.getAbstractKeyword() != null);
    element.setAccessors(holder.getAccessors());
    element.setConstructors(constructors);
    element.setFields(holder.getFields());
    element.setMethods(holder.getMethods());
    element.setTypeParameters(typeParameters);
    element.setValidMixin(isValidMixin);

    int functionTypeCount = functionTypesToFix.size();
    for (int i = 0; i < functionTypeCount; i++) {
      functionTypesToFix.get(i).setTypeArguments(typeArguments);
    }
    functionTypesToFix = null;
    currentHolder.addType(element);
    className.setStaticElement(element);
    holder.validate();
    return null;
  }
Esempio n. 11
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  @Override
  public Void visitFunctionTypeAlias(FunctionTypeAlias node) {
    ElementHolder holder = new ElementHolder();
    visitChildren(holder, node);

    SimpleIdentifier aliasName = node.getName();
    ParameterElement[] parameters = holder.getParameters();
    TypeParameterElement[] typeParameters = holder.getTypeParameters();
    FunctionTypeAliasElementImpl element = new FunctionTypeAliasElementImpl(aliasName);
    element.setParameters(parameters);
    element.setTypeParameters(typeParameters);

    FunctionTypeImpl type = new FunctionTypeImpl(element);
    type.setTypeArguments(createTypeParameterTypes(typeParameters));
    element.setType(type);

    currentHolder.addTypeAlias(element);
    aliasName.setStaticElement(element);
    holder.validate();
    return null;
  }
Esempio n. 12
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  @Override
  public Void visitConstructorDeclaration(ConstructorDeclaration node) {
    isValidMixin = false;
    ElementHolder holder = new ElementHolder();
    boolean wasInFunction = inFunction;
    inFunction = true;
    try {
      visitChildren(holder, node);
    } finally {
      inFunction = wasInFunction;
    }

    SimpleIdentifier constructorName = node.getName();
    ConstructorElementImpl element = new ConstructorElementImpl(constructorName);
    if (node.getFactoryKeyword() != null) {
      element.setFactory(true);
    }
    element.setFunctions(holder.getFunctions());
    element.setLabels(holder.getLabels());
    element.setLocalVariables(holder.getLocalVariables());
    element.setParameters(holder.getParameters());
    element.setConst(node.getConstKeyword() != null);

    currentHolder.addConstructor(element);
    node.setElement(element);
    if (constructorName == null) {
      Identifier returnType = node.getReturnType();
      if (returnType != null) {
        element.setNameOffset(returnType.getOffset());
      }
    } else {
      constructorName.setStaticElement(element);
    }
    holder.validate();
    return null;
  }
Esempio n. 13
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  @Override
  public Void visitVariableDeclaration(VariableDeclaration node) {
    Token keyword = ((VariableDeclarationList) node.getParent()).getKeyword();
    boolean isConst = matches(keyword, Keyword.CONST);
    boolean isFinal = matches(keyword, Keyword.FINAL);
    boolean hasInitializer = node.getInitializer() != null;

    VariableElementImpl element;
    if (inFieldContext) {
      SimpleIdentifier fieldName = node.getName();
      FieldElementImpl field;
      if (isConst && hasInitializer) {
        field = new ConstFieldElementImpl(fieldName);
      } else {
        field = new FieldElementImpl(fieldName);
      }
      element = field;

      currentHolder.addField(field);
      fieldName.setStaticElement(field);
    } else if (inFunction) {
      SimpleIdentifier variableName = node.getName();
      LocalVariableElementImpl variable;
      if (isConst && hasInitializer) {
        variable = new ConstLocalVariableElementImpl(variableName);
      } else {
        variable = new LocalVariableElementImpl(variableName);
      }
      element = variable;
      Block enclosingBlock = node.getAncestor(Block.class);
      int functionEnd = node.getOffset() + node.getLength();
      int blockEnd = enclosingBlock.getOffset() + enclosingBlock.getLength();
      // TODO(brianwilkerson) This isn't right for variables declared in a for loop.
      variable.setVisibleRange(functionEnd, blockEnd - functionEnd - 1);

      currentHolder.addLocalVariable(variable);
      variableName.setStaticElement(element);
    } else {
      SimpleIdentifier variableName = node.getName();
      TopLevelVariableElementImpl variable;
      if (isConst && hasInitializer) {
        variable = new ConstTopLevelVariableElementImpl(variableName);
      } else {
        variable = new TopLevelVariableElementImpl(variableName);
      }
      element = variable;

      currentHolder.addTopLevelVariable(variable);
      variableName.setStaticElement(element);
    }

    element.setConst(isConst);
    element.setFinal(isFinal);
    if (hasInitializer) {
      ElementHolder holder = new ElementHolder();
      boolean wasInFieldContext = inFieldContext;
      inFieldContext = false;
      try {
        visit(holder, node.getInitializer());
      } finally {
        inFieldContext = wasInFieldContext;
      }
      FunctionElementImpl initializer =
          new FunctionElementImpl(node.getInitializer().getBeginToken().getOffset());
      initializer.setFunctions(holder.getFunctions());
      initializer.setLabels(holder.getLabels());
      initializer.setLocalVariables(holder.getLocalVariables());
      initializer.setSynthetic(true);
      element.setInitializer(initializer);
      holder.validate();
    }
    if (element instanceof PropertyInducingElementImpl) {
      PropertyInducingElementImpl variable = (PropertyInducingElementImpl) element;

      if (inFieldContext) {
        ((FieldElementImpl) variable)
            .setStatic(
                matches(
                    ((FieldDeclaration) node.getParent().getParent()).getStaticKeyword(),
                    Keyword.STATIC));
      }

      PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(variable);
      getter.setGetter(true);
      getter.setStatic(variable.isStatic());

      currentHolder.addAccessor(getter);
      variable.setGetter(getter);

      if (!isFinal) {
        PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(variable);
        setter.setSetter(true);
        setter.setStatic(variable.isStatic());
        ParameterElementImpl parameter =
            new ParameterElementImpl("_" + variable.getName(), variable.getNameOffset());
        parameter.setSynthetic(true);
        parameter.setParameterKind(ParameterKind.REQUIRED);
        setter.setParameters(new ParameterElement[] {parameter});

        currentHolder.addAccessor(setter);
        variable.setSetter(setter);
      }
    }
    return null;
  }
Esempio n. 14
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  @Override
  public Void visitMethodDeclaration(MethodDeclaration node) {
    ElementHolder holder = new ElementHolder();
    boolean wasInFunction = inFunction;
    inFunction = true;
    try {
      visitChildren(holder, node);
    } finally {
      inFunction = wasInFunction;
    }

    boolean isStatic = node.isStatic();
    Token property = node.getPropertyKeyword();
    if (property == null) {
      SimpleIdentifier methodName = node.getName();
      String nameOfMethod = methodName.getName();
      if (nameOfMethod.equals(TokenType.MINUS.getLexeme())
          && node.getParameters().getParameters().size() == 0) {
        nameOfMethod = "unary-";
      }
      MethodElementImpl element = new MethodElementImpl(nameOfMethod, methodName.getOffset());
      element.setAbstract(node.isAbstract());
      element.setFunctions(holder.getFunctions());
      element.setLabels(holder.getLabels());
      element.setLocalVariables(holder.getLocalVariables());
      element.setParameters(holder.getParameters());
      element.setStatic(isStatic);

      currentHolder.addMethod(element);
      methodName.setStaticElement(element);
    } else {
      SimpleIdentifier propertyNameNode = node.getName();
      String propertyName = propertyNameNode.getName();
      FieldElementImpl field = (FieldElementImpl) currentHolder.getField(propertyName);
      if (field == null) {
        field = new FieldElementImpl(node.getName().getName());
        field.setFinal(true);
        field.setStatic(isStatic);
        field.setSynthetic(true);

        currentHolder.addField(field);
      }
      if (matches(property, Keyword.GET)) {
        PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
        getter.setFunctions(holder.getFunctions());
        getter.setLabels(holder.getLabels());
        getter.setLocalVariables(holder.getLocalVariables());

        getter.setVariable(field);
        getter.setAbstract(
            node.getBody() instanceof EmptyFunctionBody && node.getExternalKeyword() == null);
        getter.setGetter(true);
        getter.setStatic(isStatic);
        field.setGetter(getter);

        currentHolder.addAccessor(getter);
        propertyNameNode.setStaticElement(getter);
      } else {
        PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
        setter.setFunctions(holder.getFunctions());
        setter.setLabels(holder.getLabels());
        setter.setLocalVariables(holder.getLocalVariables());
        setter.setParameters(holder.getParameters());

        setter.setVariable(field);
        setter.setAbstract(
            node.getBody() instanceof EmptyFunctionBody
                && !matches(node.getExternalKeyword(), Keyword.EXTERNAL));
        setter.setSetter(true);
        setter.setStatic(isStatic);
        field.setSetter(setter);
        field.setFinal(false);

        currentHolder.addAccessor(setter);
        propertyNameNode.setStaticElement(setter);
      }
    }
    holder.validate();
    return null;
  }
Esempio n. 15
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  @Override
  public Void visitFunctionDeclaration(FunctionDeclaration node) {
    FunctionExpression expression = node.getFunctionExpression();
    if (expression != null) {
      ElementHolder holder = new ElementHolder();
      boolean wasInFunction = inFunction;
      inFunction = true;
      try {
        visitChildren(holder, expression);
      } finally {
        inFunction = wasInFunction;
      }

      Token property = node.getPropertyKeyword();
      if (property == null) {
        SimpleIdentifier functionName = node.getName();
        FunctionElementImpl element = new FunctionElementImpl(functionName);
        element.setFunctions(holder.getFunctions());
        element.setLabels(holder.getLabels());
        element.setLocalVariables(holder.getLocalVariables());
        element.setParameters(holder.getParameters());

        if (inFunction) {
          Block enclosingBlock = node.getAncestor(Block.class);
          if (enclosingBlock != null) {
            int functionEnd = node.getOffset() + node.getLength();
            int blockEnd = enclosingBlock.getOffset() + enclosingBlock.getLength();
            element.setVisibleRange(functionEnd, blockEnd - functionEnd - 1);
          }
        }

        currentHolder.addFunction(element);
        expression.setElement(element);
        functionName.setStaticElement(element);
      } else {
        SimpleIdentifier propertyNameNode = node.getName();
        if (propertyNameNode == null) {
          // TODO(brianwilkerson) Report this internal error.
          return null;
        }
        String propertyName = propertyNameNode.getName();
        TopLevelVariableElementImpl variable =
            (TopLevelVariableElementImpl) currentHolder.getTopLevelVariable(propertyName);
        if (variable == null) {
          variable = new TopLevelVariableElementImpl(node.getName().getName());
          variable.setFinal(true);
          variable.setSynthetic(true);

          currentHolder.addTopLevelVariable(variable);
        }
        if (matches(property, Keyword.GET)) {
          PropertyAccessorElementImpl getter = new PropertyAccessorElementImpl(propertyNameNode);
          getter.setFunctions(holder.getFunctions());
          getter.setLabels(holder.getLabels());
          getter.setLocalVariables(holder.getLocalVariables());

          getter.setVariable(variable);
          getter.setGetter(true);
          getter.setStatic(true);
          variable.setGetter(getter);

          currentHolder.addAccessor(getter);
          expression.setElement(getter);
          propertyNameNode.setStaticElement(getter);
        } else {
          PropertyAccessorElementImpl setter = new PropertyAccessorElementImpl(propertyNameNode);
          setter.setFunctions(holder.getFunctions());
          setter.setLabels(holder.getLabels());
          setter.setLocalVariables(holder.getLocalVariables());
          setter.setParameters(holder.getParameters());

          setter.setVariable(variable);
          setter.setSetter(true);
          setter.setStatic(true);
          variable.setSetter(setter);
          variable.setFinal(false);

          currentHolder.addAccessor(setter);
          expression.setElement(setter);
          propertyNameNode.setStaticElement(setter);
        }
      }
      holder.validate();
    }
    return null;
  }