1/*
2 * [The "BSD license"]
3 *  Copyright (c) 2010 Terence Parr
4 *  All rights reserved.
5 *
6 *  Redistribution and use in source and binary forms, with or without
7 *  modification, are permitted provided that the following conditions
8 *  are met:
9 *  1. Redistributions of source code must retain the above copyright
10 *      notice, this list of conditions and the following disclaimer.
11 *  2. Redistributions in binary form must reproduce the above copyright
12 *      notice, this list of conditions and the following disclaimer in the
13 *      documentation and/or other materials provided with the distribution.
14 *  3. The name of the author may not be used to endorse or promote products
15 *      derived from this software without specific prior written permission.
16 *
17 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28package org.antlr.codegen;
29
30import org.antlr.Tool;
31import org.antlr.tool.Grammar;
32import org.antlr.tool.Rule;
33import org.stringtemplate.v4.ST;
34
35import java.util.Set;
36
37public class JavaTarget extends Target {
38	protected ST chooseWhereCyclicDFAsGo(Tool tool,
39										 CodeGenerator generator,
40										 Grammar grammar,
41										 ST recognizerST,
42										 ST cyclicDFAST)
43	{
44		return recognizerST;
45	}
46
47	@Override
48	protected void performGrammarAnalysis(CodeGenerator generator, Grammar grammar) {
49		super.performGrammarAnalysis(generator, grammar);
50		for (Rule rule : grammar.getRules()) {
51			rule.throwsSpec.add("RecognitionException");
52		}
53		Set<Rule> delegatedRules = grammar.getDelegatedRules();
54		if ( delegatedRules!=null ) {
55			for (Rule rule : delegatedRules) {
56				rule.throwsSpec.add("RecognitionException");
57			}
58		}
59	}
60}
61