Examples of com.google.dart.engine.element.Element

com.google.dart.engine.element.Element
The interface {@code Element} defines the behavior common to all of the elements in the elementmodel. Generally speaking, the element model is a semantic model of the program that represents things that are declared with a name and hence can be referenced elsewhere in the code.
There are two exceptions to the general case. First, there are elements in the element model that are created for the convenience of various kinds of analysis but that do not have any corresponding declaration within the source code. Such elements are marked as being synthetic. Examples of synthetic elements include
- default constructors in classes that do not define any explicit constructors,
- getters and setters that are induced by explicit field declarations,
- fields that are induced by explicit declarations of getters and setters, and
- functions representing the initialization expression for a variable.
Second, there are elements in the element model that do not have a name. These correspond to unnamed functions and exist in order to more accurately represent the semantic structure of the program. @coverage dart.engine.element

   */
  private void recordSuperType(TypeName superNode, Relationship relationship) {
    if (superNode != null) {
      Identifier superName = superNode.getName();
      if (superName != null) {
        Element superElement = superName.getStaticElement();
        recordRelationship(superElement, relationship, createLocationFromNode(superNode));
      }
    }
  }

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  }


  @Override
  protected Element internalLookup(Identifier identifier, String name,
      LibraryElement referencingLibrary) {
    Element foundElement = localLookup(name, referencingLibrary);
    if (foundElement != null) {
      return foundElement;
    }
    for (int i = 0; i < importedNamespaces.length; i++) {
      Namespace nameSpace = importedNamespaces[i];
      Element element = nameSpace.get(name);
      if (element != null) {
        if (foundElement == null) {
          foundElement = element;
        } else if (foundElement != element) {
          foundElement = MultiplyDefinedElementImpl.fromElements(

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  private Element removeSdkElements(Identifier identifier, String name,
      MultiplyDefinedElementImpl foundElement) {
    Element[] conflictingMembers = foundElement.getConflictingElements();
    int length = conflictingMembers.length;
    int to = 0;
    Element sdkElement = null;
    for (Element member : conflictingMembers) {
      if (member.getLibrary().isInSdk()) {
        sdkElement = member;
      } else {
        conflictingMembers[to++] = member;

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   * @see #computeSuperinterfaceSet(Type)
   * @see #getLeastUpperBound(Type)
   */
  private static Set<InterfaceType> computeSuperinterfaceSet(InterfaceType type,
      HashSet<InterfaceType> set) {
    Element element = type.getElement();
    if (element != null) {
      InterfaceType[] superinterfaces = type.getInterfaces();
      for (InterfaceType superinterface : superinterfaces) {
        if (set.add(superinterface)) {
          computeSuperinterfaceSet(superinterface, set);

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   * @param shownNames the names to be shown
   */
  private HashMap<String, Element> show(HashMap<String, Element> definedNames, String[] shownNames) {
    HashMap<String, Element> newNames = new HashMap<String, Element>(definedNames.size());
    for (String name : shownNames) {
      Element element = definedNames.get(name);
      if (element != null) {
        newNames.put(name, element);
      }
      String setterName = name + "=";
      element = definedNames.get(setterName);

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   */
  private void computeValueFor(AstNode constNode) {
    beforeComputeValue(constNode);
    if (constNode instanceof VariableDeclaration) {
      VariableDeclaration declaration = (VariableDeclaration) constNode;
      Element element = declaration.getElement();
      EvaluationResultImpl result = declaration.getInitializer().accept(createConstantVisitor());
      ((VariableElementImpl) element).setEvaluationResult(result);
    } else if (constNode instanceof InstanceCreationExpression) {
      InstanceCreationExpression expression = (InstanceCreationExpression) constNode;
      ConstructorElement constructor = expression.getStaticElement();

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    @Override
    public int hashCode() {
      if (cachedHashCode == 0) {
        int firstHashCode = 0;
        if (firstType != null) {
          Element firstElement = firstType.getElement();
          firstHashCode = firstElement == null ? 0 : firstElement.hashCode();
        }
        int secondHashCode = 0;
        if (secondType != null) {
          Element secondElement = secondType.getElement();
          secondHashCode = secondElement == null ? 0 : secondElement.hashCode();
        }
        cachedHashCode = firstHashCode + secondHashCode;
      }
      return cachedHashCode;
    }

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  final int elementId;
  final int offset;
  final int length;


  public LocationData(ElementCodec elementCodec, Location location) {
    Element element = location.getElement();
    this.elementId = elementCodec.encode(element);
    this.offset = location.getOffset();
    this.length = location.getLength();
  }

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  /**
   * Returns a {@link Location} that is represented by this {@link LocationData}.
   */
  public Location getLocation(AnalysisContext context, ElementCodec elementCodec) {
    Element element = elementCodec.decode(context, elementId);
    if (element == null) {
      return null;
    }
    return new Location(element, offset, length);
  }

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    return null;
  }


  @Override
  public Void visitSimpleIdentifier(SimpleIdentifier node) {
    Element element = node.getStaticElement();
    if (element instanceof PropertyAccessorElement) {
      element = ((PropertyAccessorElement) element).getVariable();
    }
    if (element instanceof VariableElement) {
      VariableElement variable = (VariableElement) element;

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