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Java > Open Source Codes > com > google > gwt > dev > jjs > ast > JIfStatement


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.jjs.ast;
17
18 import com.google.gwt.dev.jjs.SourceInfo;
19
20 /**
21  * Java if statement.
22  */
23 public class JIfStatement extends JStatement {
24
25   private JStatement elseStmt;
26   private JExpression ifExpr;
27   private JStatement thenStmt;
28
29   public JIfStatement(JProgram program, SourceInfo info,
30       JExpression ifExpr, JStatement thenStmt, JStatement elseStmt) {
31     super(program, info);
32     this.ifExpr = ifExpr;
33     this.thenStmt = thenStmt;
34     this.elseStmt = elseStmt;
35   }
36
37   public JStatement getElseStmt() {
38     return elseStmt;
39   }
40
41   public JExpression getIfExpr() {
42     return ifExpr;
43   }
44
45   public JStatement getThenStmt() {
46     return thenStmt;
47   }
48
49   public void traverse(JVisitor visitor, Context ctx) {
50     if (visitor.visit(this, ctx)) {
51       ifExpr = visitor.accept(ifExpr);
52       if (thenStmt != null) {
53         thenStmt = visitor.accept(thenStmt);
54       }
55       if (elseStmt != null) {
56         elseStmt = visitor.accept(elseStmt);
57       }
58     }
59     visitor.endVisit(this, ctx);
60   }
61
62 }
63
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