xref: /external/antlr/antlr-3.4/tool/src/main/java/org/antlr/codegen/JavaTarget.java

/*
 * [The "BSD license"]
 *  Copyright (c) 2010 Terence Parr
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *  1. Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *      notice, this list of conditions and the following disclaimer in the
 *      documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *      derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.antlr.codegen;

import org.antlr.Tool;
import org.antlr.tool.Grammar;
import org.antlr.tool.Rule;
import org.stringtemplate.v4.ST;

import java.util.Set;

public class JavaTarget extends Target {
	protected ST chooseWhereCyclicDFAsGo(Tool tool,
										 CodeGenerator generator,
										 Grammar grammar,
										 ST recognizerST,
										 ST cyclicDFAST)
	{
		return recognizerST;
	}

	@Override
	protected void performGrammarAnalysis(CodeGenerator generator, Grammar grammar) {
		super.performGrammarAnalysis(generator, grammar);
		for (Rule rule : grammar.getRules()) {
			rule.throwsSpec.add("RecognitionException");
		}
		Set<Rule> delegatedRules = grammar.getDelegatedRules();
		if ( delegatedRules!=null ) {
			for (Rule rule : delegatedRules) {
				rule.throwsSpec.add("RecognitionException");
			}
		}
	}
}