text: /*
   * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code is distributed in the hope that it will be useful, but WITHOUT
   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  package jdk.nashorn.api.tree;
  
  import java.util.List;
  import jdk.nashorn.internal.ir.FunctionNode;
  
  final class CompilationUnitTreeImpl extends TreeImpl
      implements CompilationUnitTree {
      private final FunctionNode funcNode;
      private final List<? extends Tree> elements;
      private final ModuleTree module;
  
      CompilationUnitTreeImpl(final FunctionNode node,
              final List<? extends Tree> elements,
              final ModuleTree module) {
          super(node);
          this.funcNode = node;
          assert funcNode.getKind() == FunctionNode.Kind.SCRIPT ||
                  funcNode.getKind() == FunctionNode.Kind.MODULE :
                  "script or module function expected";
          this.elements = elements;
          this.module = module;
      }
  
      @Override
      public Tree.Kind getKind() {
          return Tree.Kind.COMPILATION_UNIT;
      }
  
      @Override
      public List<? extends Tree> getSourceElements() {
          return elements;
      }
  
      @Override
      public String getSourceName() {
          return funcNode.getSourceName();
      }
  
      @Override
      public boolean isStrict() {
          return funcNode.isStrict();
      }
  
      @Override
      public LineMap getLineMap() {
          return new LineMapImpl(funcNode.getSource());
      }
  
      @Override
      public ModuleTree getModule() {
          return module;
      }
  
      @Override
      public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
          return visitor.visitCompilationUnit(this, data);
      }
  }
  