/* * Copyright (C) 2013-2014 The Project Lombok Authors. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package lombok.javac.java8; import java.lang.reflect.Field; import com.sun.tools.javac.main.JavaCompiler; import com.sun.tools.javac.parser.JavacParser; import com.sun.tools.javac.parser.Lexer; import com.sun.tools.javac.parser.ParserFactory; import com.sun.tools.javac.parser.ScannerFactory; import com.sun.tools.javac.util.Context; import lombok.permit.Permit; public class CommentCollectingParserFactory extends ParserFactory { private final Context context; static Context.Key<ParserFactory> key() { return parserFactoryKey; } protected CommentCollectingParserFactory(Context context) { super(context); this.context = context; } public JavacParser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap) { ScannerFactory scannerFactory = ScannerFactory.instance(context); Lexer lexer = scannerFactory.newScanner(input, true); Object x = new CommentCollectingParser(this, lexer, true, keepLineMap, keepEndPos); return (JavacParser) x; // CCP is based on a stub which extends nothing, but at runtime the stub is replaced with either //javac6's EndPosParser which extends Parser, or javac8's JavacParser which implements Parser. //Either way this will work out. } public JavacParser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap, boolean parseModuleInfo) { ScannerFactory scannerFactory = ScannerFactory.instance(context); Lexer lexer = scannerFactory.newScanner(input, true); Object x = new CommentCollectingParser(this, lexer, true, keepLineMap, keepEndPos); return (JavacParser) x; // CCP is based on a stub which extends nothing, but at runtime the stub is replaced with either //javac6's EndPosParser which extends Parser, or javac8's JavacParser which implements Parser. //Either way this will work out. } public static void setInCompiler(JavaCompiler compiler, Context context) { context.put(CommentCollectingParserFactory.key(), (ParserFactory) null); Field field; try { field = Permit.getField(JavaCompiler.class, "parserFactory"); field.set(compiler, new CommentCollectingParserFactory(context)); } catch (Exception e) { throw new IllegalStateException("Could not set comment sensitive parser in the compiler", e); } } }