1 /*
   2  * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package jdk.nashorn.api.tree;
  27 
  28 import java.util.List;
  29 
  30 /**
  31  * Represents the abstract syntax tree for compilation units (source
  32  * files)
  33  *
  34  * @since 1.9
  35  */
  36 public interface CompilationUnitTree extends Tree {
  37     /**
  38      * Return the list of source elements in this compilation unit.
  39      *
  40      * @return the list of source elements in this compilation unit
  41      */
  42     List<? extends Tree> getSourceElements();
  43 
  44     /**
  45      * Return the source name of this script compilation unit.
  46      *
  47      * @return the source name of this script compilation unit
  48      */
  49     String getSourceName();
  50 
  51     /**
  52      * Returns if this is a ECMAScript "strict" compilation unit or not.
  53      *
  54      * @return true if this compilation unit is declared "strict"
  55      */
  56     boolean isStrict();
  57 
  58     /**
  59      * Returns the line map for this compilation unit, if available.
  60      * Returns null if the line map is not available.
  61      *
  62      * @return the line map for this compilation unit
  63      */
  64     LineMap getLineMap();
  65 }