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


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 import com.google.gwt.dev.jjs.HasSourceInfo;
19 import com.google.gwt.dev.jjs.SourceInfo;
20 import com.google.gwt.dev.js.JsSourceGenerationVisitor;
21 import com.google.gwt.dev.js.JsToStringGenerationVisitor;
22 import com.google.gwt.dev.util.DefaultTextOutput;
23
24 /**
25  * Base class for all JS AST elements.
26  */
27 public abstract class JsNode implements JsVisitable, HasSourceInfo {
28
29   public SourceInfo getSourceInfo() {
30     // TODO: make this real
31 return null;
32   }
33
34   // Causes source generation to delegate to the one visitor
35 public final String JavaDoc toSource() {
36     DefaultTextOutput out = new DefaultTextOutput(false);
37     JsSourceGenerationVisitor v = new JsSourceGenerationVisitor(out);
38     v.accept(this);
39     return out.toString();
40   }
41
42   // Causes source generation to delegate to the one visitor
43 public final String JavaDoc toString() {
44     DefaultTextOutput out = new DefaultTextOutput(false);
45     JsToStringGenerationVisitor v = new JsToStringGenerationVisitor(out);
46     v.accept(this);
47     return out.toString();
48   }
49 }
50
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