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Java > Open Source Codes > com > google > gwt > dev > js > ast > JsCatch


1 /*
2  * Copyright 2007 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
5  * use this file except in compliance with the License. You may obtain a copy of
6  * 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, WITHOUT
12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13  * License for the specific language governing permissions and limitations under
14  * the License.
15  */
16 package com.google.gwt.dev.js.ast;
17
18 /**
19  * Represents a JavaScript catch clause.
20  */
21 public class JsCatch extends JsNode implements HasCondition {
22
23   protected final JsCatchScope scope;
24
25   private JsBlock body;
26
27   private JsExpression condition;
28
29   private final JsParameter param;
30
31   public JsCatch(JsScope parent, String JavaDoc ident) {
32     assert (parent != null);
33     scope = new JsCatchScope(parent, ident);
34     param = new JsParameter(scope.findExistingName(ident));
35   }
36
37   public JsBlock getBody() {
38     return body;
39   }
40
41   public JsExpression getCondition() {
42     return condition;
43   }
44
45   public JsParameter getParameter() {
46     return param;
47   }
48
49   public JsScope getScope() {
50     return scope;
51   }
52
53   public void setBody(JsBlock body) {
54     this.body = body;
55   }
56
57   public void setCondition(JsExpression condition) {
58     this.condition = condition;
59   }
60
61   public void traverse(JsVisitor v, JsContext ctx) {
62     if (v.visit(this, ctx)) {
63       if (condition != null) {
64         condition = v.accept(condition);
65       }
66       body = (JsBlock) v.accept(body);
67     }
68     v.endVisit(this, ctx);
69   }
70 }
71
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