1 /* 2 * Copyright (c) 2015, 2018, 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 24 25 package org.graalvm.compiler.replacements.processor; 26 27 import static org.graalvm.compiler.replacements.processor.NodeIntrinsicHandler.CONSTANT_NODE_PARAMETER_CLASS_NAME; 28 import static org.graalvm.compiler.replacements.processor.NodeIntrinsicHandler.INJECTED_NODE_PARAMETER_CLASS_NAME; 29 import static org.graalvm.compiler.replacements.processor.NodeIntrinsicHandler.VALUE_NODE_CLASS_NAME; 30 31 import java.io.PrintWriter; 32 import java.util.List; 33 import java.util.Set; 34 35 import javax.lang.model.element.ExecutableElement; 36 import javax.lang.model.element.TypeElement; 37 import javax.lang.model.element.VariableElement; 38 import javax.lang.model.type.DeclaredType; 39 import javax.lang.model.type.TypeKind; 40 import javax.lang.model.type.TypeMirror; 41 42 import org.graalvm.compiler.processor.AbstractProcessor; 43 44 /** 45 * Create graph builder plugins for {@code NodeIntrinsic} methods. 46 */ 47 public abstract class GeneratedNodeIntrinsicPlugin extends GeneratedPlugin { 48 49 private final TypeMirror[] signature; 50 51 public GeneratedNodeIntrinsicPlugin(ExecutableElement intrinsicMethod, TypeMirror[] signature) { 52 super(intrinsicMethod); 53 this.signature = signature; 54 } 55 56 @Override 57 protected TypeElement getAnnotationClass(AbstractProcessor processor) { 58 return processor.getTypeElement(NodeIntrinsicHandler.NODE_INTRINSIC_CLASS_NAME); 59 } 60 61 protected abstract List<? extends VariableElement> getParameters(); 62 63 protected abstract void factoryCall(AbstractProcessor processor, PrintWriter out, InjectedDependencies deps, int argCount); 64 65 @Override 66 protected InjectedDependencies createExecute(AbstractProcessor processor, PrintWriter out) { 67 InjectedDependencies deps = new InjectedDependencies(); 68 69 List<? extends VariableElement> params = getParameters(); 70 71 int idx = 0; 72 for (; idx < params.size(); idx++) { 73 VariableElement param = params.get(idx); 74 if (processor.getAnnotation(param, processor.getType(INJECTED_NODE_PARAMETER_CLASS_NAME)) == null) { 75 break; 76 } 77 78 out.printf(" %s arg%d = %s;\n", param.asType(), idx, deps.use(processor, (DeclaredType) param.asType())); 79 } 80 81 for (int i = 0; i < signature.length; i++, idx++) { 82 if (processor.getAnnotation(intrinsicMethod.getParameters().get(i), processor.getType(CONSTANT_NODE_PARAMETER_CLASS_NAME)) != null) { 83 constantArgument(processor, out, deps, idx, signature[i], i); 84 } else { 85 if (signature[i].equals(processor.getType(VALUE_NODE_CLASS_NAME))) { 86 out.printf(" ValueNode arg%d = args[%d];\n", idx, i); 87 } else { 88 out.printf(" %s arg%d = (%s) args[%d];\n", signature[i], idx, signature[i], i); 89 } 90 } 91 } 92 93 factoryCall(processor, out, deps, idx); 94 95 return deps; 96 } 97 98 public static class ConstructorPlugin extends GeneratedNodeIntrinsicPlugin { 99 100 private final ExecutableElement constructor; 101 102 public ConstructorPlugin(ExecutableElement intrinsicMethod, ExecutableElement constructor, TypeMirror[] signature) { 103 super(intrinsicMethod, signature); 104 this.constructor = constructor; 105 } 106 107 @Override 108 public void extraImports(Set<String> imports) { 109 if (intrinsicMethod.getReturnType().getKind() != TypeKind.VOID) { 110 imports.add("jdk.vm.ci.meta.JavaKind"); 111 } 112 } 113 114 @Override 115 protected List<? extends VariableElement> getParameters() { 116 return constructor.getParameters(); 117 } 118 119 @Override 120 protected void factoryCall(AbstractProcessor processor, PrintWriter out, InjectedDependencies deps, int argCount) { 121 out.printf(" %s node = new %s(", constructor.getEnclosingElement(), constructor.getEnclosingElement()); 122 if (argCount > 0) { 123 out.printf("arg0"); 124 for (int i = 1; i < argCount; i++) { 125 out.printf(", arg%d", i); 126 } 127 } 128 out.printf(");\n"); 129 130 if (intrinsicMethod.getReturnType().getKind() == TypeKind.VOID) { 131 out.printf(" b.add(node);\n"); 132 } else { 133 out.printf(" b.addPush(JavaKind.%s, node);\n", getReturnKind(intrinsicMethod)); 134 } 135 out.printf(" return true;\n"); 136 } 137 } 138 139 public static class CustomFactoryPlugin extends GeneratedNodeIntrinsicPlugin { 140 141 private final ExecutableElement customFactory; 142 143 public CustomFactoryPlugin(ExecutableElement intrinsicMethod, ExecutableElement customFactory, TypeMirror[] signature) { 144 super(intrinsicMethod, signature); 145 this.customFactory = customFactory; 146 } 147 148 @Override 149 public void extraImports(Set<String> imports) { 150 } 151 152 @Override 153 protected List<? extends VariableElement> getParameters() { 154 List<? extends VariableElement> ret = customFactory.getParameters(); 155 // remove initial GraphBuilderContext and ResolvedJavaMethod parameters 156 return ret.subList(2, ret.size()); 157 } 158 159 @Override 160 protected void factoryCall(AbstractProcessor processor, PrintWriter out, InjectedDependencies deps, int argCount) { 161 out.printf(" return %s.%s(b, targetMethod", customFactory.getEnclosingElement(), customFactory.getSimpleName()); 162 for (int i = 0; i < argCount; i++) { 163 out.printf(", arg%d", i); 164 } 165 out.printf(");\n"); 166 } 167 } 168 }