/* * 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, HasName node) { this(info, node.getName()); } public JsNameOf(SourceInfo info, JsName name) { super(info); this.name = name; } @Override public NodeKind getKind() { return NodeKind.NAME_OF; } 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; } @Override public void traverse(JsVisitor visitor, JsContext ctx) { if (visitor.visit(this, ctx)) { } visitor.endVisit(this, ctx); } }