/******************************************************************************* | |
* Copyright (c) 2001 International Business Machines Corp. and others. | |
* All rights reserved. This program and the accompanying materials | |
* are made available under the terms of the Common Public License v0.5 | |
* which accompanies this distribution, and is available at | |
* http://www.eclipse.org/legal/cpl-v05.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.setLeadingComment(getLeadingComment()); | |
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(); | |
} | |
} | |