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1 /***** BEGIN LICENSE BLOCK *****
2  * Version: CPL 1.0/GPL 2.0/LGPL 2.1
3  *
4  * The contents of this file are subject to the Common Public
5  * License Version 1.0 (the "License"); you may not use this file
6  * except in compliance with the License. You may obtain a copy of
7  * the License at http://www.eclipse.org/legal/cpl-v10.html
8  *
9  * Software distributed under the License is distributed on an "AS
10  * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
11  * implied. See the License for the specific language governing
12  * rights and limitations under the License.
13  *
14  * Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
15  * Copyright (C) 2002-2004 Jan Arne Petersen <jpetersen@uni-bonn.de>
16  * Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
17  * Copyright (C) 2004 Stefan Matthias Aust <sma@3plus4.de>
18  *
19  * Alternatively, the contents of this file may be used under the terms of
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30  ***** END LICENSE BLOCK *****/
31 package org.jruby.main;
32
33 import java.io.BufferedOutputStream JavaDoc;
34 import java.io.BufferedReader JavaDoc;
35 import java.io.File JavaDoc;
36 import java.io.FileOutputStream JavaDoc;
37 import java.io.FileReader JavaDoc;
38 import java.io.IOException JavaDoc;
39 import java.io.OutputStream JavaDoc;
40 import java.io.Reader JavaDoc;
41 import org.ablaf.ast.IAstEncoder;
42 import org.jruby.ast.util.RubyAstMarshal;
43 import org.jruby.common.NullWarnings;
44 import org.jruby.lexer.yacc.LexerSource;
45 import org.jruby.lexer.yacc.SyntaxException;
46 import org.jruby.parser.DefaultRubyParser;
47 import org.jruby.parser.RubyParserConfiguration;
48 import org.jruby.parser.RubyParserPool;
49 import org.jruby.parser.RubyParserResult;
50
51 /**
52  *
53  * @author jpetersen
54  */
55 public class ASTSerializer {
56     public ASTSerializer() {
57         super();
58     }
59     
60     public static void serialize(File JavaDoc input, File JavaDoc outputFile) throws IOException JavaDoc {
61         OutputStream JavaDoc output = new BufferedOutputStream JavaDoc(new FileOutputStream JavaDoc(outputFile));
62         IAstEncoder encoder = RubyAstMarshal.getInstance().openEncoder(output);
63         try {
64             serialize(input, encoder);
65         } finally {
66             encoder.close();
67         }
68     }
69     
70     public static void serialize(File JavaDoc input, IAstEncoder encoder) throws IOException JavaDoc {
71         Reader JavaDoc reader = new BufferedReader JavaDoc(new FileReader JavaDoc(input));
72         RubyParserConfiguration config = new RubyParserConfiguration();
73
74         DefaultRubyParser parser = null;
75         RubyParserResult result = null;
76         try {
77             parser = RubyParserPool.getInstance().borrowParser();
78             parser.setWarnings(new NullWarnings());
79             result = parser.parse(config, LexerSource.getSource(input.toString(), reader));
80         } catch (SyntaxException e) {
81             // ignore the syntax exception
82 } finally {
83             RubyParserPool.getInstance().returnParser(parser);
84         }
85         reader.close();
86         
87         encoder.writeNode(result.getAST());
88     }
89 }
90
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