| /******************************************************************************* |
| * Copyright (c) 2013 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * This is an implementation of an early-draft specification developed under the Java |
| * Community Process (JCP) and is made available for testing and evaluation purposes |
| * only. The code is not compatible with any specification of the JCP. |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.core.dom; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * The extra dimension node. An extra dimension, represented as <b>[]</b>, can have |
| * type annotations. This node type is supported only in JLS8 or later. |
| * <p> |
| * The extra dimension node is used to represent an extra dimension in the following node types: |
| * {@link SingleVariableDeclaration}, {@link VariableDeclarationFragment}, {@link MethodDeclaration}. |
| * It is not used for annotations on an {@link ArrayType}, since that type extends {@link AnnotatableType} now. |
| * </p> |
| * |
| * <pre> |
| * ExtraDimension: |
| * { Annotation } <b>[]</b> |
| * </pre> |
| * |
| * @since 3.9 BETA_JAVA8 |
| * @noinstantiate This class is not intended to be instantiated by clients. |
| */ |
| public class ExtraDimension extends ASTNode { |
| |
| /** |
| * The "annotations" structural property of this node type (element type: {@link Annotation}). |
| */ |
| public static final ChildListPropertyDescriptor ANNOTATIONS_PROPERTY = |
| new ChildListPropertyDescriptor(ExtraDimension.class, "annotations", Annotation.class, NO_CYCLE_RISK); //$NON-NLS-1$ |
| |
| /** |
| * A list of property descriptors (element type: |
| * {@link StructuralPropertyDescriptor}), |
| * or null if uninitialized. |
| */ |
| private static final List PROPERTY_DESCRIPTORS_8_0; |
| |
| static { |
| List propertyList = new ArrayList(2); |
| createPropertyList(ExtraDimension.class, propertyList); |
| addProperty(ANNOTATIONS_PROPERTY, propertyList); |
| PROPERTY_DESCRIPTORS_8_0 = reapPropertyList(propertyList); |
| } |
| |
| /** |
| * Returns a list of structural property descriptors for this node type. |
| * Clients must not modify the result. |
| * |
| * @param apiLevel the API level; one of the |
| * <code>AST.JLS*</code> constants |
| * @return a list of property descriptors (element type: |
| * {@link StructuralPropertyDescriptor}) |
| */ |
| public static List propertyDescriptors(int apiLevel) { |
| return PROPERTY_DESCRIPTORS_8_0; |
| } |
| |
| /** |
| * The list of annotations for this dimension (element type: {@link Annotation}). |
| * Defaults to an empty list. |
| */ |
| private ASTNode.NodeList annotations = new ASTNode.NodeList(ANNOTATIONS_PROPERTY); |
| |
| /** |
| * Creates a new extra dimension node (Supported only in level |
| * JLS8 or above). |
| * <p> |
| * N.B. This constructor is package-private. |
| * </p> |
| * |
| * @param ast the AST that is to own this node |
| * @exception UnsupportedOperationException if this operation is used |
| * in a JLS2, JLS3 or JLS4 AST |
| */ |
| ExtraDimension(AST ast) { |
| super(ast); |
| unsupportedIn2_3_4(); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final List internalStructuralPropertiesForType(int apiLevel) { |
| return propertyDescriptors(apiLevel); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final List internalGetChildListProperty(ChildListPropertyDescriptor property) { |
| if (property == ANNOTATIONS_PROPERTY) { |
| return annotations(); |
| } |
| // allow default implementation to flag the error |
| return super.internalGetChildListProperty(property); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final int getNodeType0() { |
| return EXTRA_DIMENSION; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| ASTNode clone0(AST target) { |
| ExtraDimension result = new ExtraDimension(target); |
| result.annotations().addAll( |
| ASTNode.copySubtrees(target, annotations())); |
| return result; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| final boolean subtreeMatch0(ASTMatcher matcher, Object other) { |
| // dispatch to correct overloaded match method |
| return matcher.match(this, other); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| void accept0(ASTVisitor visitor) { |
| boolean visitChildren = visitor.visit(this); |
| if (visitChildren) { |
| // visit children in normal left to right reading order |
| acceptChildren(visitor, this.annotations); |
| } |
| visitor.endVisit(this); |
| } |
| |
| /** |
| * Returns the live ordered list of annotations for this dimension. |
| * |
| * @return the live list of annotations (element type: {@link Annotation}) |
| */ |
| public List annotations() { |
| return this.annotations; |
| } |
| |
| int memSize() { |
| return BASE_NODE_SIZE + 1 * 4; |
| } |
| |
| int treeSize() { |
| return |
| memSize() |
| + this.annotations.listSize(); |
| } |
| } |