Examples of com.google.dart.engine.type.InterfaceType

com.google.dart.engine.type.InterfaceType
The interface {@code InterfaceType} defines the behavior common to objects representing the typeintroduced by either a class or an interface, or a reference to such a type. @coverage dart.engine.type


    hasReferenceToSuper = false;
    super.visitClassDeclaration(node);


    ClassElementImpl classElement = getClassElement(node.getName());
    InterfaceType superclassType = null;
    if (extendsClause != null) {
      ErrorCode errorCode = withClause == null ? CompileTimeErrorCode.EXTENDS_NON_CLASS
          : CompileTimeErrorCode.MIXIN_WITH_NON_CLASS_SUPERCLASS;
      superclassType = resolveType(
          extendsClause.getSuperclass(),
          errorCode,
          CompileTimeErrorCode.EXTENDS_ENUM,
          errorCode);
      if (superclassType != getTypeProvider().getObjectType()) {
        classElement.setValidMixin(false);
      }
    }
    if (classElement != null) {
      if (superclassType == null) {
        InterfaceType objectType = getTypeProvider().getObjectType();
        if (classElement.getType() != objectType) {
          superclassType = objectType;
        }
      }
      classElement.setSupertype(superclassType);

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  @Override
  public Void visitClassTypeAlias(ClassTypeAlias node) {
    super.visitClassTypeAlias(node);
    ClassElementImpl classElement = getClassElement(node.getName());
    ErrorCode errorCode = CompileTimeErrorCode.MIXIN_WITH_NON_CLASS_SUPERCLASS;
    InterfaceType superclassType = resolveType(
        node.getSuperclass(),
        errorCode,
        CompileTimeErrorCode.EXTENDS_ENUM,
        errorCode);
    if (superclassType == null) {
      superclassType = getTypeProvider().getObjectType();
    }
    if (classElement != null && superclassType != null) {
      classElement.setSupertype(superclassType);
      ClassElement superclassElement = superclassType.getElement();
      if (superclassElement != null) {
        ConstructorElement[] constructors = superclassElement.getConstructors();
        int count = constructors.length;
        if (count > 0) {
          Type[] parameterTypes = TypeParameterTypeImpl.getTypes(superclassType.getTypeParameters());
          Type[] argumentTypes = getArgumentTypes(
              node.getSuperclass().getTypeArguments(),
              parameterTypes);
          InterfaceType classType = classElement.getType();
          ArrayList<ConstructorElement> implicitConstructors = new ArrayList<ConstructorElement>(
              count);
          for (int i = 0; i < count; i++) {
            ConstructorElement explicitConstructor = constructors[i];
            if (!explicitConstructor.isFactory()) {

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   * 
   * @param elements the elements to which a single name could potentially be resolved
   * @return the single interface type that should be used for the type name
   */
  private InterfaceType getTypeWhenMultiplyDefined(Element[] elements) {
    InterfaceType type = null;
    for (Element element : elements) {
      if (element instanceof ClassElement) {
        if (type != null) {
          return null;
        }

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   */
  private InterfaceType[] resolveTypes(NodeList<TypeName> typeNames, ErrorCode nonTypeError,
      ErrorCode enumTypeError, ErrorCode dynamicTypeError) {
    ArrayList<InterfaceType> types = new ArrayList<InterfaceType>();
    for (TypeName typeName : typeNames) {
      InterfaceType type = resolveType(typeName, nonTypeError, enumTypeError, dynamicTypeError);
      if (type != null) {
        types.add(type);
      }
    }
    return types.toArray(new InterfaceType[types.size()]);

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