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 
  27 package jdk.nashorn.api.tree;
  28 
  29 import jdk.nashorn.internal.ir.IdentNode;
  30 import jdk.nashorn.internal.ir.Module;
  31 
  32 final class IdentifierTreeImpl extends ExpressionTreeImpl implements IdentifierTree {
  33     private final String name;
  34 
  35     IdentifierTreeImpl(final IdentNode node) {
  36         super(node);
  37         this.name = node.getName();
  38     }
  39 
  40     @Override
  41     public Kind getKind() {
  42         return Kind.IDENTIFIER;
  43     }
  44 
  45     @Override
  46     public String getName() {
  47         return name;
  48     }
  49 
  50     @Override
  51     public boolean isRestParameter() {
  52         return ((IdentNode)node).isRestParameter();
  53     }
  54 
  55     @Override
  56     public boolean isSuper() {
  57         final IdentNode ident = (IdentNode)node;
  58         return ident.isDirectSuper() || "super".equals(ident.getName());
  59     }
  60 
  61     @Override
  62     public boolean isThis() {
  63         return "this".equals(((IdentNode)node).getName());
  64     }
  65 
  66     @Override
  67     public boolean isStar() {
  68         return Module.STAR_NAME.equals(((IdentNode)node).getName());
  69     }
  70 
  71     @Override
  72     public boolean isDefault() {
  73         return Module.DEFAULT_NAME.equals(((IdentNode)node).getName());
  74     }
  75 
  76     @Override
  77     public boolean isStarDefaultStar() {
  78         return Module.DEFAULT_EXPORT_BINDING_NAME.equals(((IdentNode)node).getName());
  79     }
  80 
  81     @Override
  82     public <R,D> R accept(final TreeVisitor<R,D> visitor, final D data) {
  83         return visitor.visitIdentifier(this, data);
  84     }
  85 }