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


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  * The context in which a JsNode visitation occurs. This represents the set of
20  * possible operations a JsVisitor subclass can perform on the currently visited
21  * node.
22  */
23 public interface JsContext {
24
25   boolean canInsert();
26
27   boolean canRemove();
28
29   void insertAfter(JsNode node);
30
31   void insertBefore(JsNode node);
32
33   void removeMe();
34
35   void replaceMe(JsNode node);
36 }
37
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