Wed, 21 Sep 2011 21:56:53 -0700
7092965: javac should not close processorClassLoader before end of compilation
Reviewed-by: darcy
1 /*
2 * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
26 package com.sun.tools.javac.parser;
28 import com.sun.tools.javac.code.Source;
29 import com.sun.tools.javac.tree.TreeMaker;
30 import com.sun.tools.javac.util.Context;
31 import com.sun.tools.javac.util.Log;
32 import com.sun.tools.javac.util.Names;
33 import com.sun.tools.javac.util.Options;
35 /**
36 * A factory for creating parsers.
37 *
38 * <p><b>This is NOT part of any supported API.
39 * If you write code that depends on this, you do so at your own risk.
40 * This code and its internal interfaces are subject to change or
41 * deletion without notice.</b>
42 */
43 public class ParserFactory {
45 /** The context key for the parser factory. */
46 protected static final Context.Key<ParserFactory> parserFactoryKey = new Context.Key<ParserFactory>();
48 public static ParserFactory instance(Context context) {
49 ParserFactory instance = context.get(parserFactoryKey);
50 if (instance == null) {
51 instance = new ParserFactory(context);
52 }
53 return instance;
54 }
56 final TreeMaker F;
57 final Log log;
58 final Keywords keywords;
59 final Source source;
60 final Names names;
61 final Options options;
62 final ScannerFactory scannerFactory;
64 protected ParserFactory(Context context) {
65 super();
66 context.put(parserFactoryKey, this);
67 this.F = TreeMaker.instance(context);
68 this.log = Log.instance(context);
69 this.names = Names.instance(context);
70 this.keywords = Keywords.instance(context);
71 this.source = Source.instance(context);
72 this.options = Options.instance(context);
73 this.scannerFactory = ScannerFactory.instance(context);
74 }
76 public Parser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap) {
77 Lexer lexer = scannerFactory.newScanner(input, keepDocComments);
78 if (keepEndPos) {
79 return new EndPosParser(this, lexer, keepDocComments, keepLineMap);
80 } else {
81 return new JavacParser(this, lexer, keepDocComments, keepLineMap);
82 }
83 }
84 }