| /* |
| * 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; |
| |
| import java.util.List; |
| |
| /** |
| * Instances of the class {@code LabeledStatement} represent a statement that has a label associated |
| * with them. |
| * |
| * <pre> |
| * labeledStatement ::= |
| * {@link Label label}+ {@link Statement statement} |
| * </pre> |
| * |
| * @coverage dart.engine.ast |
| */ |
| public class LabeledStatement extends Statement { |
| /** |
| * The labels being associated with the statement. |
| */ |
| private NodeList<Label> labels = new NodeList<Label>(this); |
| |
| /** |
| * The statement with which the labels are being associated. |
| */ |
| private Statement statement; |
| |
| /** |
| * Initialize a newly created labeled statement. |
| * |
| * @param labels the labels being associated with the statement |
| * @param statement the statement with which the labels are being associated |
| */ |
| public LabeledStatement(List<Label> labels, Statement statement) { |
| this.labels.addAll(labels); |
| this.statement = becomeParentOf(statement); |
| } |
| |
| @Override |
| public <R> R accept(AstVisitor<R> visitor) { |
| return visitor.visitLabeledStatement(this); |
| } |
| |
| @Override |
| public Token getBeginToken() { |
| if (!labels.isEmpty()) { |
| return labels.getBeginToken(); |
| } |
| return statement.getBeginToken(); |
| } |
| |
| @Override |
| public Token getEndToken() { |
| return statement.getEndToken(); |
| } |
| |
| /** |
| * Return the labels being associated with the statement. |
| * |
| * @return the labels being associated with the statement |
| */ |
| public NodeList<Label> getLabels() { |
| return labels; |
| } |
| |
| /** |
| * Return the statement with which the labels are being associated. |
| * |
| * @return the statement with which the labels are being associated |
| */ |
| public Statement getStatement() { |
| return statement; |
| } |
| |
| /** |
| * Set the statement with which the labels are being associated to the given statement. |
| * |
| * @param statement the statement with which the labels are being associated |
| */ |
| public void setStatement(Statement statement) { |
| this.statement = becomeParentOf(statement); |
| } |
| |
| @Override |
| public void visitChildren(AstVisitor<?> visitor) { |
| labels.accept(visitor); |
| safelyVisitChild(statement, visitor); |
| } |
| } |