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


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  * A new instance expression. This differs from a standard Java new operation in
22  * that no constructor is implied. Rather, a new operation creates an
23  * uninitialized Object which is passed as an argument to a constructor method.
24  */
25 public class JNewInstance extends JExpression {
26
27   private final JClassType classType;
28
29   public JNewInstance(JProgram program, SourceInfo info, JClassType classType) {
30     super(program, info);
31     this.classType = classType;
32   }
33
34   public JClassType getClassType() {
35     return classType;
36   }
37
38   public JType getType() {
39     return classType;
40   }
41
42   public boolean hasSideEffects() {
43     // The actual new operation itself has no side effects (see class comment).
44 return false;
45   }
46
47   public void traverse(JVisitor visitor, Context ctx) {
48     if (visitor.visit(this, ctx)) {
49     }
50     visitor.endVisit(this, ctx);
51   }
52
53 }
54
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