1    /* 
2     * Copyright 2000-2005 JetBrains s.r.o. 
3     * 
4     * Licensed under the Apache License, Version 2.0 (the "License"); 
5     * you may not use this file except in compliance with the License. 
6     * You may obtain a copy of the License at 
7     * 
8     * http://www.apache.org/licenses/LICENSE-2.0 
9     * 
10    * Unless required by applicable law or agreed to in writing, software 
11    * distributed under the License is distributed on an "AS IS" BASIS, 
12    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
13    * See the License for the specific language governing permissions and 
14    * limitations under the License. 
15    */ 
16   package com.intellij.lang.javascript.psi.impl; 
17    
18   import com.intellij.lang.ASTNode; 
19   import com.intellij.lang.javascript.JSElementTypes; 
20   import com.intellij.lang.javascript.psi.JSElementVisitor; 
21   import com.intellij.lang.javascript.psi.JSExpression; 
22   import com.intellij.lang.javascript.psi.JSExpressionStatement; 
23   import com.intellij.psi.PsiElementVisitor; 
24    
25   /** 
26    * Created by IntelliJ IDEA. 
27    * User: max 
28    * Date: Jan 30, 2005 
29    * Time: 9:26:39 PM 
30    * To change this template use File | Settings | File Templates. 
31    */ 
32   public class JSExpressionStatementImpl extends JSElementImpl implements JSExpressionStatement { 
33     public JSExpressionStatementImpl(final ASTNode node) { 
34       super(node); 
35     } 
36    
37     public JSExpression getExpression() { 
38       final ASTNode[] expr = getNode().getChildren(JSElementTypes.EXPRESSIONS); 
39       return (JSExpression)(expr.length == 1 ? expr[0].getPsi() : null); 
40     } 
41    
42     public void accept(PsiElementVisitor visitor) { 
43       if (visitor instanceof JSElementVisitor) { 
44         ((JSElementVisitor)visitor).visitJSExpressionStatement(this); 
45       } 
46       else { 
47         visitor.visitElement(this); 
48       } 
49     } 
50    
51     public String toString() { 
52       return "JSExpressionStatement"; 
53     } 
54   } 
55