/******************************************************************************* | |
* 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; | |
/** | |
* Continue statement AST node type. | |
* | |
* <pre> | |
* ContinueStatement: | |
* <b>continue</b> [ Identifier ] <b>;</b> | |
* </pre> | |
* | |
* @since 2.0 | |
*/ | |
public class ContinueStatement extends Statement { | |
/** | |
* The label, or <code>null</code> if none; none by default. | |
*/ | |
private SimpleName optionalLabel = null; | |
/** | |
* Creates a new unparented continue statement node owned by the given | |
* AST. By default, the continue statement has no label. | |
* <p> | |
* N.B. This constructor is package-private. | |
* </p> | |
* | |
* @param ast the AST that is to own this node | |
*/ | |
ContinueStatement(AST ast) { | |
super(ast); | |
} | |
/* (omit javadoc for this method) | |
* Method declared on ASTNode. | |
*/ | |
public int getNodeType() { | |
return CONTINUE_STATEMENT; | |
} | |
/* (omit javadoc for this method) | |
* Method declared on ASTNode. | |
*/ | |
ASTNode clone(AST target) { | |
ContinueStatement result = new ContinueStatement(target); | |
result.setLeadingComment(getLeadingComment()); | |
result.setLabel((SimpleName) ASTNode.copySubtree(target, getLabel())); | |
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) { | |
acceptChild(visitor, getLabel()); | |
} | |
visitor.endVisit(this); | |
} | |
/** | |
* Returns the label of this continue statement, or <code>null</code> if | |
* there is none. | |
* | |
* @return the label, or <code>null</code> if there is none | |
*/ | |
public SimpleName getLabel() { | |
return optionalLabel; | |
} | |
/** | |
* Sets or clears the label of this continue statement. | |
* | |
* @param label the label, or <code>null</code> if | |
* there is none | |
* @exception IllegalArgumentException if the node belongs to a different AST | |
* @exception IllegalArgumentException if the node already has a parent | |
*/ | |
public void setLabel(SimpleName label) { | |
// a ContinueStatement cannot occur inside a SimpleName - no cycles | |
replaceChild(this.optionalLabel, label, false); | |
this.optionalLabel = label; | |
} | |
/* (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() | |
+ (optionalLabel == null ? 0 : getLabel().treeSize()); | |
} | |
} | |