| /******************************************************************************* |
| * Copyright (c) 2000, 2003 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Common Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/cpl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| |
| package org.eclipse.jdt.core.dom; |
| |
| import java.util.List; |
| |
| /** |
| * Block statement AST node type. |
| * |
| * <pre> |
| * Block: |
| * <b>{</b> { Statement } <b>}</b> |
| * </pre> |
| * |
| * @since 2.0 |
| */ |
| public class Block extends Statement { |
| |
| /** |
| * The list of statements (element type: <code>Statement</code>). |
| * Defaults to an empty list. |
| */ |
| private ASTNode.NodeList statements = |
| new ASTNode.NodeList(true, Statement.class); |
| |
| /** |
| * Creates a new unparented block node owned by the given AST. |
| * By default, the block is empty. |
| * <p> |
| * N.B. This constructor is package-private. |
| * </p> |
| * |
| * @param ast the AST that is to own this node |
| */ |
| Block(AST ast) { |
| super(ast); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| public int getNodeType() { |
| return BLOCK; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| ASTNode clone(AST target) { |
| Block result = new Block(target); |
| result.setSourceRange(this.getStartPosition(), this.getLength()); |
| result.copyLeadingComment(this); |
| result.statements().addAll( |
| ASTNode.copySubtrees(target, statements())); |
| return result; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| public boolean subtreeMatch(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) { |
| acceptChildren(visitor, statements); |
| } |
| visitor.endVisit(this); |
| } |
| |
| /** |
| * Returns the live list of statements in this block. Adding and |
| * removing nodes from this list affects this node dynamically. |
| * All nodes in this list must be <code>Statement</code>s; |
| * attempts to add any other type of node will trigger an |
| * exception. |
| * |
| * @return the live list of statements in this block |
| * (element type: <code>Statement</code>) |
| */ |
| public List statements() { |
| return statements; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| int memSize() { |
| return super.memSize() + 1 * 4; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| int treeSize() { |
| return memSize() + statements.listSize(); |
| } |
| } |
| |