1 /* 2 * Copyright (c) 2013, 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.nodes.spi; 26 27 import org.graalvm.compiler.api.replacements.MethodSubstitution; 28 import org.graalvm.compiler.api.replacements.SnippetTemplateCache; 29 import org.graalvm.compiler.bytecode.BytecodeProvider; 30 import org.graalvm.compiler.core.common.CompilationIdentifier; 31 import org.graalvm.compiler.debug.DebugContext; 32 import org.graalvm.compiler.graph.NodeSourcePosition; 33 import org.graalvm.compiler.nodes.Cancellable; 34 import org.graalvm.compiler.nodes.StructuredGraph; 35 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderConfiguration; 36 import org.graalvm.compiler.nodes.graphbuilderconf.GraphBuilderPlugin; 37 import org.graalvm.compiler.nodes.graphbuilderconf.IntrinsicContext; 38 import org.graalvm.compiler.nodes.graphbuilderconf.InvocationPlugin; 39 import org.graalvm.compiler.nodes.graphbuilderconf.MethodSubstitutionPlugin; 40 import org.graalvm.compiler.options.OptionValues; 41 42 import jdk.vm.ci.meta.ResolvedJavaMethod; 43 44 /** 45 * Interface for managing replacements. 46 */ 47 public interface Replacements { 48 49 CoreProviders getProviders(); 50 51 /** 52 * Gets the object managing the various graph builder plugins used by this object when parsing 53 * bytecode into a graph. 54 */ 55 GraphBuilderConfiguration.Plugins getGraphBuilderPlugins(); 56 57 /** 58 * Gets the plugin type that intrinsifies calls to {@code method}. 59 */ 60 Class<? extends GraphBuilderPlugin> getIntrinsifyingPlugin(ResolvedJavaMethod method); 61 62 /** 63 * Gets the snippet graph derived from a given method. 64 * 65 * @param recursiveEntry if the snippet contains a call to this method, it's considered as 66 * recursive call and won't be processed for {@linkplain MethodSubstitution 67 * substitutions}. 68 * @param args arguments to the snippet if available, otherwise {@code null} 69 * @param trackNodeSourcePosition 70 * @param options 71 * @return the snippet graph, if any, that is derived from {@code method} 72 */ 73 StructuredGraph getSnippet(ResolvedJavaMethod method, ResolvedJavaMethod recursiveEntry, Object[] args, boolean trackNodeSourcePosition, NodeSourcePosition replaceePosition, 74 OptionValues options); 75 76 /** 77 * Registers a method as snippet. 78 */ 79 void registerSnippet(ResolvedJavaMethod method, ResolvedJavaMethod original, Object receiver, boolean trackNodeSourcePosition, OptionValues options); 80 81 /** 82 * Gets a graph that is a substitution for a given {@link MethodSubstitutionPlugin plugin} in 83 * the {@link org.graalvm.compiler.nodes.graphbuilderconf.IntrinsicContext.CompilationContext 84 * context}. 85 * 86 * @param plugin the plugin being substituted 87 * @param original the method being substituted 88 * @param context the kind of inlining to be performed for the substitution 89 * @param allowAssumptions 90 * @param cancellable 91 * @param options 92 * @return the method substitution graph, if any, that is derived from {@code method} 93 */ 94 StructuredGraph getMethodSubstitution(MethodSubstitutionPlugin plugin, ResolvedJavaMethod original, IntrinsicContext.CompilationContext context, 95 StructuredGraph.AllowAssumptions allowAssumptions, Cancellable cancellable, OptionValues options); 96 97 /** 98 * Registers a plugin as a substitution. 99 */ 100 void registerMethodSubstitution(MethodSubstitutionPlugin plugin, ResolvedJavaMethod original, IntrinsicContext.CompilationContext context, OptionValues options); 101 102 /** 103 * Gets a graph that is a substitution for a given method. 104 * 105 * @param invokeBci the call site BCI if this request is made for inlining a substitute 106 * otherwise {@code -1} 107 * @param trackNodeSourcePosition 108 * @param options 109 * @return the graph, if any, that is a substitution for {@code method} 110 */ 111 StructuredGraph getSubstitution(ResolvedJavaMethod method, int invokeBci, boolean trackNodeSourcePosition, NodeSourcePosition replaceePosition, OptionValues options); 112 113 /** 114 * Gets a graph produced from the intrinsic for a given method that can be compiled and 115 * installed for the method. 116 * 117 * @param method 118 * @param compilationId 119 * @param debug 120 * @param cancellable 121 * @return an intrinsic graph that can be compiled and installed for {@code method} or null 122 */ 123 StructuredGraph getIntrinsicGraph(ResolvedJavaMethod method, CompilationIdentifier compilationId, DebugContext debug, Cancellable cancellable); 124 125 /** 126 * Determines if there may be a 127 * {@linkplain #getSubstitution(ResolvedJavaMethod, int, boolean, NodeSourcePosition, OptionValues) 128 * substitution graph} for a given method. 129 * 130 * A call to {@link #getSubstitution} may still return {@code null} for {@code method} and 131 * {@code invokeBci}. A substitution may be based on an {@link InvocationPlugin} that returns 132 * {@code false} for {@link InvocationPlugin#execute} making it impossible to create a 133 * substitute graph. 134 * 135 * @param invokeBci the call site BCI if this request is made for inlining a substitute 136 * otherwise {@code -1} 137 * @return true iff there may be a substitution graph available for {@code method} 138 */ 139 boolean hasSubstitution(ResolvedJavaMethod method, int invokeBci); 140 141 /** 142 * Gets the provider for accessing the bytecode of a substitution method if no other provider is 143 * associated with the substitution method. 144 */ 145 BytecodeProvider getDefaultReplacementBytecodeProvider(); 146 147 /** 148 * Register snippet templates. 149 */ 150 void registerSnippetTemplateCache(SnippetTemplateCache snippetTemplates); 151 152 /** 153 * Get snippet templates that were registered with 154 * {@link Replacements#registerSnippetTemplateCache(SnippetTemplateCache)}. 155 */ 156 <T extends SnippetTemplateCache> T getSnippetTemplateCache(Class<T> templatesClass); 157 158 /** 159 * Notifies this method that no further snippets will be registered via {@link #registerSnippet} 160 * or {@link #registerSnippetTemplateCache}. 161 * 162 * This is a hook for an implementation to check for or forbid late registration. 163 */ 164 default void closeSnippetRegistration() { 165 } 166 }