/*
* Copyright 2012, the Dart project authors.
*
* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.eclipse.org/legal/epl-v10.html
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.dart.engine.ast;
import com.google.dart.engine.scanner.Token;
/**
* Instances of the class {@code ContinueStatement} represent a continue statement.
*
* <pre>
* continueStatement ::=
* 'continue' {@link SimpleIdentifier label}? ';'
* </pre>
*
* @coverage dart.engine.ast
*/
public class ContinueStatement extends Statement {
/**
* The token representing the 'continue' keyword.
*/
private Token keyword;
/**
* The label associated with the statement, or {@code null} if there is no label.
*/
private SimpleIdentifier label;
/**
* The semicolon terminating the statement.
*/
private Token semicolon;
/**
* Initialize a newly created continue statement.
*
* @param keyword the token representing the 'continue' keyword
* @param label the label associated with the statement
* @param semicolon the semicolon terminating the statement
*/
public ContinueStatement(Token keyword, SimpleIdentifier label, Token semicolon) {
this.keyword = keyword;
this.label = becomeParentOf(label);
this.semicolon = semicolon;
}
@Override
public <R> R accept(AstVisitor<R> visitor) {
return visitor.visitContinueStatement(this);
}
@Override
public Token getBeginToken() {
return keyword;
}
@Override
public Token getEndToken() {
return semicolon;
}
/**
* Return the token representing the 'continue' keyword.
*
* @return the token representing the 'continue' keyword
*/
public Token getKeyword() {
return keyword;
}
/**
* Return the label associated with the statement, or {@code null} if there is no label.
*
* @return the label associated with the statement
*/
public SimpleIdentifier getLabel() {
return label;
}
/**
* Return the semicolon terminating the statement.
*
* @return the semicolon terminating the statement
*/
public Token getSemicolon() {
return semicolon;
}
/**
* Set the token representing the 'continue' keyword to the given token.
*
* @param keyword the token representing the 'continue' keyword
*/
public void setKeyword(Token keyword) {
this.keyword = keyword;
}
/**
* Set the label associated with the statement to the given label.
*
* @param identifier the label associated with the statement
*/
public void setLabel(SimpleIdentifier identifier) {
label = becomeParentOf(identifier);
}
/**
* Set the semicolon terminating the statement to the given token.
*
* @param semicolon the semicolon terminating the statement
*/
public void setSemicolon(Token semicolon) {
this.semicolon = semicolon;
}
@Override
public void visitChildren(AstVisitor<?> visitor) {
safelyVisitChild(label, visitor);
}
}