1 /* 2 * Copyright (c) 2015, 2015, 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.nodeinfo; 24 25 import java.lang.annotation.ElementType; 26 import java.lang.annotation.Inherited; 27 import java.lang.annotation.Retention; 28 import java.lang.annotation.RetentionPolicy; 29 import java.lang.annotation.Target; 30 31 /** 32 * Marker type for describing node inputs in snippets that are not of type {@link InputType#Value}. 33 */ 34 public abstract class StructuralInput { 35 36 private StructuralInput() { 37 throw new Error("Illegal instance of StructuralInput. This class should be used in snippets only."); 38 } 39 40 @Retention(RetentionPolicy.RUNTIME) 41 @Target(ElementType.TYPE) 42 @Inherited 43 public @interface MarkerType { 44 InputType value(); 45 } 46 47 /** 48 * Marker type for {@link InputType#Memory} edges in snippets. 49 */ 50 @MarkerType(InputType.Memory) 51 public abstract static class Memory extends StructuralInput { 52 } 53 54 /** 55 * Marker type for {@link InputType#Condition} edges in snippets. 56 */ 57 @MarkerType(InputType.Condition) 58 public abstract static class Condition extends StructuralInput { 59 } 60 61 /** 62 * Marker type for {@link InputType#State} edges in snippets. 63 */ 64 @MarkerType(InputType.State) 65 public abstract static class State extends StructuralInput { 66 } 67 68 /** 69 * Marker type for {@link InputType#Guard} edges in snippets. 70 */ 71 @MarkerType(InputType.Guard) 72 public abstract static class Guard extends StructuralInput { 73 } 74 75 /** 76 * Marker type for {@link InputType#Anchor} edges in snippets. 77 */ 78 @MarkerType(InputType.Anchor) 79 public abstract static class Anchor extends StructuralInput { 80 } 81 82 /** 83 * Marker type for {@link InputType#Association} edges in snippets. 84 */ 85 @MarkerType(InputType.Association) 86 public abstract static class Association extends StructuralInput { 87 } 88 89 /** 90 * Marker type for {@link InputType#Extension} edges in snippets. 91 */ 92 @MarkerType(InputType.Extension) 93 public abstract static class Extension extends StructuralInput { 94 } 95 }