01: /*
02: * Copyright 2007 Google Inc.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License"); you may not
05: * use this file except in compliance with the License. You may obtain a copy of
06: * the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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: * @param <T>
28: */
29: public abstract class JsNode<T extends JsVisitable<T>> implements
30: JsVisitable<T>, HasSourceInfo {
31:
32: public SourceInfo getSourceInfo() {
33: // TODO: make this real
34: return null;
35: }
36:
37: // Causes source generation to delegate to the one visitor
38: public final String toSource() {
39: DefaultTextOutput out = new DefaultTextOutput(false);
40: JsSourceGenerationVisitor v = new JsSourceGenerationVisitor(out);
41: v.accept(this );
42: return out.toString();
43: }
44:
45: // Causes source generation to delegate to the one visitor
46: @Override
47: public final String toString() {
48: DefaultTextOutput out = new DefaultTextOutput(false);
49: JsToStringGenerationVisitor v = new JsToStringGenerationVisitor(
50: out);
51: v.accept(this);
52: return out.toString();
53: }
54: }
|