Examples of com.sun.source.tree.MemberSelectTree

com.sun.source.tree.MemberSelectTree
A tree node for a member access expression. For example:
```
 expression . identifier 
```
@see "The Java Language Specification, 3rd ed, sections 6.5,15.11, and 15.12" @author Peter von der Ahé @author Jonathan Gibbons @since 1.6

    if (!methodSelect(
        instanceMethod(Matchers.<ExpressionTree>isSubtypeOf("java.lang.Class"), "getAnnotation"))
        .matches(tree, state)) {
      return Description.NO_MATCH;
    }
    MemberSelectTree memTree = (MemberSelectTree) tree.getArguments().get(0);
    TypeSymbol annotation = ASTHelpers.getSymbol(memTree.getExpression()).type.tsym;


    Retention retention = ASTHelpers.getAnnotation(annotation, Retention.class);
    if (retention != null && retention.value().equals(RUNTIME)) {
      return Description.NO_MATCH;
    }

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  public Description matchMethodInvocation(MethodInvocationTree methodInvocationTree, VisitorState state) {
    if (!matcher.matches(methodInvocationTree, state)) {
      return Description.NO_MATCH;
    }


    MemberSelectTree method =
        (MemberSelectTree) methodInvocationTree.getMethodSelect();


    List<? extends ExpressionTree> arguments =
        methodInvocationTree.getArguments();
    MethodInvocationTree stringFormat = (MethodInvocationTree) arguments.get(1);

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    if (initializer == null || initializer.getKind() != MEMBER_SELECT || parent.getKind() != CLASS
        || !tree.getModifiers().getFlags().contains(STATIC)) {
      return Description.NO_MATCH;
    }


    MemberSelectTree rhs = (MemberSelectTree) initializer;
    Symbol rhsClass = ASTHelpers.getSymbol(rhs.getExpression());
    Symbol lhsClass = ASTHelpers.getSymbol(parent);
    if (rhsClass != null && lhsClass != null
        && rhsClass.equals(lhsClass) && rhs.getIdentifier().contentEquals(tree.getName())) {
      return describeForVarDecl(tree, state);
    }
    return Description.NO_MATCH;
  }

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    if (mst.getKind() == Tree.Kind.IDENTIFIER) {
      return ((IdentifierTree) mst).getName().contentEquals("super");
    }


    if (mst.getKind() == Tree.Kind.MEMBER_SELECT) {
      MemberSelectTree selectTree = (MemberSelectTree) mst;


      if (selectTree.getExpression().getKind() != Tree.Kind.IDENTIFIER) {
        return false;
      }


      return ((IdentifierTree) selectTree.getExpression()).getName().contentEquals("super");
    }


    return false;
  }

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   * @return true iff if tree is a field access expression (implicit or explicit).
   */
  public static boolean isFieldAccess(Tree tree) {
    if (tree.getKind().equals(Tree.Kind.MEMBER_SELECT)) {
      // explicit field access
      MemberSelectTree memberSelect = (MemberSelectTree) tree;
      Element el = TreeUtils.elementFromUse(memberSelect);
      return el.getKind().isField();
    } else if (tree.getKind().equals(Tree.Kind.IDENTIFIER)) {
      // implicit field access
      IdentifierTree ident = (IdentifierTree) tree;

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   * @return The name of the field accessed by <code>tree</code>.
   */
  public static String getFieldName(Tree tree) {
    assert isFieldAccess(tree);
    if (tree.getKind().equals(Tree.Kind.MEMBER_SELECT)) {
      MemberSelectTree mtree = (MemberSelectTree) tree;
      return mtree.getIdentifier().toString();
    } else {
      IdentifierTree itree = (IdentifierTree) tree;
      return itree.getName().toString();
    }
  }

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   * @return true iff if tree is a method access expression (implicit or explicit).
   */
  public static boolean isMethodAccess(Tree tree) {
    if (tree.getKind().equals(Tree.Kind.MEMBER_SELECT)) {
      // explicit method access
      MemberSelectTree memberSelect = (MemberSelectTree) tree;
      Element el = TreeUtils.elementFromUse(memberSelect);
      return el.getKind() == ElementKind.METHOD || el.getKind() == ElementKind.CONSTRUCTOR;
    } else if (tree.getKind().equals(Tree.Kind.IDENTIFIER)) {
      // implicit method access
      IdentifierTree ident = (IdentifierTree) tree;

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   * @return The name of the method accessed by <code>tree</code>.
   */
  public static String getMethodName(Tree tree) {
    assert isMethodAccess(tree);
    if (tree.getKind().equals(Tree.Kind.MEMBER_SELECT)) {
      MemberSelectTree mtree = (MemberSelectTree) tree;
      return mtree.getIdentifier().toString();
    } else {
      IdentifierTree itree = (IdentifierTree) tree;
      return itree.getName().toString();
    }
  }

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   * Returns true if and only if the given {@code tree} represents a field access of the given {@link VariableElement}
   * .
   */
  public static boolean isSpecificFieldAccess(Tree tree, VariableElement var) {
    if (tree instanceof MemberSelectTree) {
      MemberSelectTree memSel = (MemberSelectTree) tree;
      Element field = TreeUtils.elementFromUse(memSel);
      return field.equals(var);
    } else if (tree instanceof IdentifierTree) {
      IdentifierTree idTree = (IdentifierTree) tree;
      Element field = TreeUtils.elementFromUse(idTree);

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    if (!(tree.getMethodSelect() instanceof MemberSelectTree)) {
      // check for Outer.this check
      return true;
    }


    MemberSelectTree select = (MemberSelectTree) tree.getMethodSelect();
    if (GeneratorConstants.SUPER.equals(select.getExpression().toString())) {
      context.addError(tree, "You cannot call the super method if that belongs to a @SyntheticType");
      return true;
    }
    return false;
  }

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