1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 package org.graalvm.compiler.core.match; 24 25 import org.graalvm.compiler.core.gen.NodeMatchRules; 26 27 /** 28 * Code generator for complex match patterns. 29 */ 30 public interface MatchGenerator { 31 /** 32 * @returns null if the match can't be generated or a {@link ComplexMatchResult} that can be 33 * evaluated during LIR generation to produce the final LIR value. 34 */ 35 ComplexMatchResult match(NodeMatchRules matchRules, Object... args); 36 37 /** 38 * @return a descriptive name meaningful to the user. 39 */ 40 String getName(); 41 }