| /* |
| * Copyright 2009 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.js.ast; |
| |
| import com.google.gwt.dev.jjs.SourceInfo; |
| |
| /** |
| * An AST node whose evaluation results in the string name of its node. |
| */ |
| public class JsNameOf extends JsExpression { |
| private final JsName name; |
| |
| public JsNameOf(SourceInfo info, JsName name) { |
| super(info); |
| this.name = name; |
| } |
| |
| public JsNameOf(SourceInfo info, HasName node) { |
| this(info, node.getName()); |
| } |
| |
| public JsName getName() { |
| return name; |
| } |
| |
| @Override |
| public boolean hasSideEffects() { |
| return false; |
| } |
| |
| @Override |
| public boolean isDefinitelyNotNull() { |
| // GenerateJsAST would have already replaced unnamed references with null |
| return true; |
| } |
| |
| @Override |
| public boolean isDefinitelyNull() { |
| return false; |
| } |
| |
| public void traverse(JsVisitor visitor, JsContext ctx) { |
| if (visitor.visit(this, ctx)) { |
| } |
| visitor.endVisit(this, ctx); |
| } |
| } |