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/*
 * Copyright 2008 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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.gwt.dev.js.ast;

import com.google.gwt.dev.jjs.SourceInfo;

/**
 * Represents the JavaScript continue statement.
 */
public final class JsContinue extends JsStatement {

  private final JsNameRef label;

  public JsContinue(SourceInfo sourceInfo) {
    this(sourceInfo, null);
  }

  public JsContinue(SourceInfo sourceInfo, JsNameRef label) {
    super(sourceInfo);
    this.label = label;
  }

  @Override
  public NodeKind getKind() {
    return NodeKind.CONTINUE;
  }

  public JsNameRef getLabel() {
    return label;
  }

  @Override
  public void traverse(JsVisitor v, JsContext ctx) {
    if (v.visit(this, ctx)) {
      if (label != null) {
        v.accept(label);
      }
    }
    v.endVisit(this, ctx);
  }

  @Override
  public boolean unconditionalControlBreak() {
    return true;
  }
}