| /* |
| * Copyright 2010 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; |
| |
| import com.google.gwt.core.ext.TreeLogger; |
| import com.google.gwt.core.ext.UnableToCompleteException; |
| import com.google.gwt.core.ext.typeinfo.JAbstractMethod; |
| import com.google.gwt.core.ext.typeinfo.JClassType; |
| import com.google.gwt.core.ext.typeinfo.JField; |
| import com.google.gwt.core.ext.typeinfo.TypeOracle; |
| import com.google.gwt.dev.cfg.ModuleDef; |
| import com.google.gwt.dev.cfg.ModuleDefLoader; |
| import com.google.gwt.dev.javac.CompilationState; |
| import com.google.gwt.dev.util.log.PrintWriterTreeLogger; |
| |
| import java.io.PrintWriter; |
| |
| /** |
| * Entry point that outputs the GWT JRE support. |
| */ |
| public class GetJreEmulation { |
| |
| /** |
| * Only print the publicly visible API of the JRE. |
| */ |
| private static final class FilterImplementation implements |
| SignatureDumper.Filter { |
| @Override |
| public boolean shouldPrint(JAbstractMethod method) { |
| return method.isPublic() || method.isProtected(); |
| } |
| |
| @Override |
| public boolean shouldPrint(JClassType type) { |
| if (type.isMemberType()) { |
| if (!shouldPrint(type.getEnclosingType())) { |
| return false; |
| } |
| } |
| return type.getQualifiedSourceName().startsWith("java.") |
| && (type.isPublic() || type.isProtected()); |
| } |
| |
| @Override |
| public boolean shouldPrint(JField field) { |
| return field.isPublic() || field.isProtected(); |
| } |
| } |
| |
| /** |
| * @param args unused |
| */ |
| public static void main(String[] args) { |
| try { |
| PrintWriterTreeLogger logger = new PrintWriterTreeLogger(new PrintWriter( |
| System.err, true)); |
| logger.setMaxDetail(TreeLogger.WARN); |
| CompilerContext.Builder compilerContextBuilder = new CompilerContext.Builder(); |
| CompilerContext compilerContext = compilerContextBuilder.build(); |
| ModuleDef module = |
| ModuleDefLoader.loadFromClassPath(logger, "com.google.gwt.core.Core"); |
| compilerContext = compilerContextBuilder.module(module).build(); |
| CompilationState compilationState = module.getCompilationState(logger, compilerContext); |
| TypeOracle typeOracle = compilationState.getTypeOracle(); |
| SignatureDumper.dumpSignatures(typeOracle, System.out, |
| new FilterImplementation()); |
| } catch (UnableToCompleteException e) { |
| // Error has already been logged. |
| System.exit(1); |
| } catch (Throwable e) { |
| System.err.println("Unexpected error"); |
| e.printStackTrace(); |
| System.exit(1); |
| } |
| } |
| } |