| /* |
| * Copyright 2007 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; |
| |
| import com.google.gwt.dev.js.ast.JsName; |
| import com.google.gwt.dev.js.ast.JsNameRef; |
| import com.google.gwt.dev.js.ast.JsProgram; |
| |
| /** |
| * Resolves any unresolved JsNameRefs. |
| */ |
| public class JsSymbolResolver { |
| |
| /** |
| * Resolves any unresolved JsNameRefs. |
| */ |
| private class JsResolveSymbolsVisitor extends JsAbstractSymbolResolver { |
| |
| @Override |
| protected void resolveQualifiedName(JsNameRef x) { |
| String ident = x.getIdent(); |
| JsName name = program.getObjectScope().findExistingName(ident); |
| if (name == null) { |
| // No clue what this is; create a new unobfuscatable name |
| name = program.getObjectScope().declareUnobfuscatableName(ident); |
| } else if (name.isObfuscatable()) { |
| name.setUnobfuscatable(); |
| } |
| x.resolve(name); |
| } |
| |
| @Override |
| protected void resolveUnqualifiedName(JsNameRef x) { |
| String ident = x.getIdent(); |
| JsName name = getScope().findExistingName(ident); |
| if (name == null) { |
| // No clue what this is; create a new unobfuscatable name |
| name = program.getScope().declareUnobfuscatableName(ident); |
| } |
| x.resolve(name); |
| } |
| } |
| |
| public static void exec(JsProgram program) { |
| new JsSymbolResolver(program).execImpl(); |
| } |
| |
| private final JsProgram program; |
| |
| private JsSymbolResolver(JsProgram program) { |
| this.program = program; |
| } |
| |
| private void execImpl() { |
| JsResolveSymbolsVisitor resolver = new JsResolveSymbolsVisitor(); |
| resolver.accept(program); |
| } |
| } |