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Java > Open Source Codes > org > netbeans > modules > lexer > gen > antlr > AntlrLanguageGenerator


1 /*
2  * The contents of this file are subject to the terms of the Common Development
3  * and Distribution License (the License). You may not use this file except in
4  * compliance with the License.
5  *
6  * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7  * or http://www.netbeans.org/cddl.txt.
8  *
9  * When distributing Covered Code, include this CDDL Header Notice in each file
10  * and include the License file at http://www.netbeans.org/cddl.txt.
11  * If applicable, add the following below the CDDL Header, with the fields
12  * enclosed by brackets [] replaced by your own identifying information:
13  * "Portions Copyrighted [year] [name of copyright owner]"
14  *
15  * The Original Software is NetBeans. The Initial Developer of the Original
16  * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17  * Microsystems, Inc. All Rights Reserved.
18  */
19
20 package org.netbeans.modules.lexer.gen.antlr;
21
22 import java.io.File JavaDoc;
23 import java.io.IOException JavaDoc;
24 import org.netbeans.modules.lexer.gen.DescriptionReader;
25 import org.netbeans.modules.lexer.gen.LanguageGenerator;
26 import org.netbeans.modules.lexer.gen.MutableTokenId;
27 import org.netbeans.modules.lexer.gen.LanguageData;
28 import org.netbeans.modules.lexer.gen.TokenTypes;
29 import org.netbeans.modules.lexer.gen.util.LexerGenUtilities;
30 import org.xml.sax.SAXException JavaDoc;
31
32 /**
33  * Language class generator for antlr generated lexers.
34  *
35  * @author Miloslav Metelka
36  * @version 1.00
37  */
38
39 public class AntlrLanguageGenerator extends LanguageGenerator {
40     
41     public String JavaDoc generate(String JavaDoc langClassName, String JavaDoc lexerClassName,
42     String JavaDoc tokenTypesClassName, File JavaDoc xmlLangDescFile)
43     throws ClassNotFoundException JavaDoc, SAXException JavaDoc, IOException JavaDoc {
44
45         LanguageData data = new LanguageData();
46         data.setLanguageClassName(langClassName);
47         data.setLexerClassName(lexerClassName);
48
49         // Apply token types class info
50 if (tokenTypesClassName != null) {
51             Class JavaDoc tokenTypesClass = Class.forName(tokenTypesClassName);
52             TokenTypes tokenTypes = new AntlrTokenTypes(tokenTypesClass);
53             data.registerTokenTypes(tokenTypes);
54         }
55
56         // Apply possible xml description
57 if (xmlLangDescFile != null) {
58             DescriptionReader xmlLangDesc = new DescriptionReader(
59                 xmlLangDescFile.getAbsolutePath());
60             
61             xmlLangDesc.applyTo(data);
62         }
63         
64
65         // Update int ids that do not have counterparts in token types
66 data.updateUnassignedIntIds();
67
68         return createSource(data);
69     }
70     
71 }
72
73
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