/*
 * 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;

/**
 * One independently loadable fragment of a {@link JsProgram}.
 */
public class JsProgramFragment extends JsNode<JsProgramFragment> {
  private final JsGlobalBlock globalBlock;

  public JsProgramFragment(SourceInfo sourceInfo) {
    super(sourceInfo);
    this.globalBlock = new JsGlobalBlock(sourceInfo.makeChild(
        JsProgramFragment.class, "global block for a fragment"));
  }

  public JsBlock getGlobalBlock() {
    return globalBlock;
  }

  public void traverse(JsVisitor v, JsContext<JsProgramFragment> ctx) {
    if (v.visit(this, ctx)) {
      v.accept(globalBlock);
    }
    v.endVisit(this, ctx);
  }

}