| /* |
| * Copyright 2012 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.jjs.impl; |
| |
| import com.google.gwt.core.ext.linker.impl.StandardSymbolData; |
| import com.google.gwt.dev.jjs.InternalCompilerException; |
| import com.google.gwt.dev.js.ast.JsContext; |
| import com.google.gwt.dev.js.ast.JsName; |
| import com.google.gwt.dev.js.ast.JsNameRef; |
| import com.google.gwt.dev.js.ast.JsProgram; |
| import com.google.gwt.dev.js.ast.JsVisitor; |
| |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| /** |
| * Verify the validity of the symbol. |
| * |
| * This is by no means complete. At the Javascript AST, we no longer have the |
| * knowledge we once had in the Java AST. Specify, given a name access. |
| */ |
| public class VerifySymbolMap extends JsVisitor { |
| |
| public static void exec(JsProgram jsProgram, JavaToJavaScriptMap jjsmap, |
| Map<StandardSymbolData, JsName> symbolTable ) { |
| new VerifySymbolMap(jjsmap, symbolTable).accept(jsProgram); |
| } |
| |
| private final JavaToJavaScriptMap jjsmap; |
| private final Set<String> nameMap = new HashSet<String>(); |
| |
| private VerifySymbolMap( |
| JavaToJavaScriptMap jjsmap, |
| Map<StandardSymbolData, JsName> symbolTable) { |
| this.jjsmap = jjsmap; |
| for (Entry<StandardSymbolData, JsName> entry : symbolTable.entrySet()) { |
| nameMap.add(entry.getValue().getIdent()); |
| } |
| } |
| |
| @Override |
| public void endVisit(JsNameRef x, JsContext ctx) { |
| JsName name = x.getName(); |
| if (jjsmap.nameToField(name) != null || |
| jjsmap.nameToMethod(name) != null || |
| jjsmap.nameToType(name) != null) { |
| String n = name.getIdent(); |
| if (!nameMap.contains(n)) { |
| throw new InternalCompilerException("Missing symbol in SymbolMap: " + n); |
| } |
| } |
| } |
| } |