TrialParserFactory.java revision 3953:ceeaf4cf083f 
1/*
2 * Copyright (c) 2015, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24import com.sun.tools.javac.parser.JavacParser;
25import com.sun.tools.javac.parser.ParserFactory;
26import com.sun.tools.javac.parser.ScannerFactory;
27import com.sun.tools.javac.util.Context;
28
29/**
30 *
31 * @author Robert Field
32 */
33class TrialParserFactory extends ParserFactory {
34
35    public static ParserFactory instance(Context context) {
36        ParserFactory instance = context.get(parserFactoryKey);
37        if (instance == null) {
38            instance = new TrialParserFactory(context);
39        }
40        return instance;
41    }
42
43    private final ScannerFactory scannerFactory;
44
45    protected TrialParserFactory(Context context) {
46        super(context);
47        this.scannerFactory = ScannerFactory.instance(context);
48    }
49
50    @Override
51    public JavacParser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap) {
52        com.sun.tools.javac.parser.Lexer lexer = scannerFactory.newScanner(input, keepDocComments);
53        return new TrialParser(this, lexer, keepDocComments, keepLineMap, keepEndPos);
54    }
55
56    @Override
57    public JavacParser newParser(CharSequence input, boolean keepDocComments, boolean keepEndPos, boolean keepLineMap, boolean parseModuleInfo) {
58        return newParser(input, keepDocComments, keepEndPos, keepLineMap);
59    }
60}
61