/**
* <copyright>
* Copyright (c) 2010-2012 Henshin developers. All rights reserved.
* This program and the accompanying materials are made available
* under the terms of the Eclipse Public License v1.0 which
* accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
* </copyright>
*/
package org.eclipse.emf.henshin.interpreter.jit;
import java.util.Map;
import org.eclipse.emf.henshin.model.Rule;
/**
* JIT matcher compiler class. Use the INSTANCE field to generate
* match finders using the default JIT matcher compilers.
*
* @author Christian Krause
*/
public interface JITMatcherCompiler {
/**
* Static instance. Use this to generate match finders.
*/
public static JITMatcherCompiler INSTANCE = new JITMatcherCompiler() {
/*
* JITCompilers to be used:
*/
private final JITMatcherCompiler[] COMPILERS = new JITMatcherCompiler[] {
new TreeJITMatcherCompiler()
};
@Override
public JITMatcher generateMatcher(Rule rule, Map<String,Object> options) {
for (JITMatcherCompiler compiler : COMPILERS) {
JITMatcher matchFinder = compiler.generateMatcher(rule, options);
if (matchFinder!=null) {
return matchFinder;
}
}
return null; // no match finder generated
}
};
/**
* Generate a JIT matcher.
* @param rule Rule to be matched.
* @param options Engine options.
* @return The JIT matcher or <code>null</code>.
*/
JITMatcher generateMatcher(Rule rule, Map<String,Object> options);
}