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


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  * A JavaScript prefix or postfix operation.
20  */
21 public abstract class JsUnaryOperation extends JsExpression {
22
23   private JsExpression arg;
24
25   private final JsUnaryOperator op;
26
27   public JsUnaryOperation(JsUnaryOperator op) {
28     this(op, null);
29   }
30
31   public JsUnaryOperation(JsUnaryOperator op, JsExpression arg) {
32     this.op = op;
33     this.arg = arg;
34   }
35
36   public JsExpression getArg() {
37     return arg;
38   }
39
40   public JsUnaryOperator getOperator() {
41     return op;
42   }
43
44   public void setArg(JsExpression arg) {
45     this.arg = arg;
46   }
47
48   public void traverse(JsVisitor v, JsContext ctx) {
49     arg = v.accept(arg);
50   }
51 }
52
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