110N/A/*
694N/A * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
110N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
110N/A *
110N/A * This code is free software; you can redistribute it and/or modify it
110N/A * under the terms of the GNU General Public License version 2 only, as
553N/A * published by the Free Software Foundation. Oracle designates this
110N/A * particular file as subject to the "Classpath" exception as provided
553N/A * by Oracle in the LICENSE file that accompanied this code.
110N/A *
110N/A * This code is distributed in the hope that it will be useful, but WITHOUT
110N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
110N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
110N/A * version 2 for more details (a copy is included in the LICENSE file that
110N/A * accompanied this code).
110N/A *
110N/A * You should have received a copy of the GNU General Public License version
110N/A * 2 along with this work; if not, write to the Free Software Foundation,
110N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
110N/A *
553N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
553N/A * or visit www.oracle.com if you need additional information or have any
553N/A * questions.
110N/A */
110N/A
110N/Apackage com.sun.tools.javac.parser;
110N/A
110N/Aimport com.sun.tools.javac.code.Source;
110N/Aimport com.sun.tools.javac.tree.TreeMaker;
110N/Aimport com.sun.tools.javac.util.Context;
110N/Aimport com.sun.tools.javac.util.Log;
112N/Aimport com.sun.tools.javac.util.Names;
110N/Aimport com.sun.tools.javac.util.Options;
110N/A
110N/A/**
110N/A * A factory for creating parsers.
332N/A *
580N/A * <p><b>This is NOT part of any supported API.
332N/A * If you write code that depends on this, you do so at your own risk.
332N/A * This code and its internal interfaces are subject to change or
332N/A * deletion without notice.</b>
110N/A */
110N/Apublic class ParserFactory {
110N/A
110N/A /** The context key for the parser factory. */
110N/A protected static final Context.Key<ParserFactory> parserFactoryKey = new Context.Key<ParserFactory>();
110N/A
110N/A public static ParserFactory instance(Context context) {
110N/A ParserFactory instance = context.get(parserFactoryKey);
110N/A if (instance == null) {
110N/A instance = new ParserFactory(context);
110N/A }
110N/A return instance;
110N/A }
110N/A
110N/A final TreeMaker F;
110N/A final Log log;
110N/A final Keywords keywords;
110N/A final Source source;
112N/A final Names names;
110N/A final Options options;
694N/A final ScannerFactory scannerFactory;
110N/A
110N/A protected ParserFactory(Context context) {
110N/A super();
110N/A context.put(parserFactoryKey, this);
110N/A this.F = TreeMaker.instance(context);
110N/A this.log = Log.instance(context);
112N/A this.names = Names.instance(context);
110N/A this.keywords = Keywords.instance(context);
110N/A this.source = Source.instance(context);
110N/A this.options = Options.instance(context);
694N/A this.scannerFactory = ScannerFactory.instance(context);
110N/A }
110N/A
110N/A public Parser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap) {
694N/A Lexer lexer = scannerFactory.newScanner(input, keepDocComments);
110N/A if (keepEndPos) {
110N/A return new EndPosParser(this, lexer, keepDocComments, keepLineMap);
110N/A } else {
110N/A return new JavacParser(this, lexer, keepDocComments, keepLineMap);
110N/A }
110N/A }
110N/A}