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.JSCatchBlock; 
21   import com.intellij.lang.javascript.psi.JSElementVisitor; 
22   import com.intellij.lang.javascript.psi.JSParameter; 
23   import com.intellij.lang.javascript.psi.JSStatement; 
24   import com.intellij.psi.PsiElement; 
25   import com.intellij.psi.PsiElementVisitor; 
26   import com.intellij.psi.PsiSubstitutor; 
27   import com.intellij.psi.scope.PsiScopeProcessor; 
28    
29   /** 
30    * Created by IntelliJ IDEA. 
31    * User: max 
32    * Date: Jan 30, 2005 
33    * Time: 10:06:09 PM 
34    * To change this template use File | Settings | File Templates. 
35    */ 
36   public class JSCatchBlockImpl extends JSElementImpl implements JSCatchBlock { 
37     public JSCatchBlockImpl(final ASTNode node) { 
38       super(node); 
39     } 
40    
41     public JSParameter getParameter() { 
42       return (JSParameter)getNode().findChildByType(JSElementTypes.FORMAL_PARAMETER).getPsi(); 
43     } 
44    
45     public JSStatement getStatement() { 
46       final ASTNode[] nodes = getNode().getChildren(JSElementTypes.STATEMENTS); 
47       return (JSStatement)(nodes.length == 1 ? nodes[0].getPsi() : null); 
48     } 
49    
50     public void accept(PsiElementVisitor visitor) { 
51       if (visitor instanceof JSElementVisitor) { 
52         ((JSElementVisitor)visitor).visitJSCatchBlock(this); 
53       } 
54       else { 
55         visitor.visitElement(this); 
56       } 
57     } 
58    
59     public boolean processDeclarations(PsiScopeProcessor processor, 
60                                        PsiSubstitutor substitutor, 
61                                        PsiElement lastParent, 
62                                        PsiElement place) { 
63       if (lastParent != null) { 
64         final JSParameter param = getParameter(); 
65         if (param != null) return processor.execute(param, substitutor); 
66       } 
67    
68       return true; 
69     } 
70    
71     public String toString() { 
72       return "JSCatchBlock"; 
73     } 
74   } 
75