https://openjdk.java.net/ 
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
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 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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package org.graalvm.compiler.core.match;

import org.graalvm.compiler.core.gen.NodeMatchRules;


Code generator for complex match patterns.

/**
 * Code generator for complex match patterns.
 */
public interface MatchGenerator {
    
@returnsnull if the match can't be generated or a ComplexMatchResult that can be evaluated during LIR generation to produce the final LIR value.
/**
     * @returns null if the match can't be generated or a {@link ComplexMatchResult} that can be
     *          evaluated during LIR generation to produce the final LIR value.
     */
    ComplexMatchResult match(NodeMatchRules matchRules, Object... args);

    
Returns:a descriptive name meaningful to the user.
/**
     * @return a descriptive name meaningful to the user.
     */
    String getName();
}