Mercurial > hg > graal-compiler
view graal/com.oracle.graal.graphbuilderconf/src/com/oracle/graal/graphbuilderconf/InvocationPlugin.java @ 22457:dfa24d13486e
Drop use of MethodIdMap in InvocationPlugins
author | Tom Rodriguez <tom.rodriguez@oracle.com> |
---|---|
date | Thu, 13 Aug 2015 11:00:54 -0700 |
parents | 3f83cc877a0e |
children | 05183a084a08 f3ebbebef617 |
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/* * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * 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). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.graal.graphbuilderconf; import java.lang.invoke.*; import java.lang.reflect.*; import jdk.internal.jvmci.common.*; import jdk.internal.jvmci.meta.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.type.*; /** * Plugin for handling a specific method invocation. */ public interface InvocationPlugin extends GraphBuilderPlugin { /** * The receiver in a non-static method. The class literal for this interface must be used with * {@link InvocationPlugins#put(InvocationPlugin, boolean, boolean, Class, String, Class...)} to * denote the receiver argument for such a non-static method. */ public interface Receiver { /** * Gets the receiver value, null checking it first if necessary. * * @return the receiver value with a {@linkplain StampTool#isPointerNonNull(ValueNode) * non-null} stamp */ ValueNode get(); /** * Determines if the receiver is constant. */ default boolean isConstant() { return false; } } /** * Determines if this plugin is for a method with a polymorphic signature (e.g. * {@link MethodHandle#invokeExact(Object...)}). */ default boolean isSignaturePolymorphic() { return false; } /** * Determines if this plugin can only be used when inlining the method is it associated with. * That is, this plugin cannot be used when the associated method is the compilation root. */ default boolean inlineOnly() { return isSignaturePolymorphic(); } /** * Handles invocation of a signature polymorphic method. * * @param receiver access to the receiver, {@code null} if {@code targetMethod} is static * @param argsIncludingReceiver all arguments to the invocation include the raw receiver in * position 0 if {@code targetMethod} is not static * @see #execute */ default boolean applyPolymorphic(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode... argsIncludingReceiver) { return defaultHandler(b, targetMethod, receiver, argsIncludingReceiver); } /** * @see #execute */ default boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver) { return defaultHandler(b, targetMethod, receiver); } /** * @see #execute */ default boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode arg) { return defaultHandler(b, targetMethod, receiver, arg); } /** * @see #execute */ default boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode arg1, ValueNode arg2) { return defaultHandler(b, targetMethod, receiver, arg1, arg2); } /** * @see #execute */ default boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode arg1, ValueNode arg2, ValueNode arg3) { return defaultHandler(b, targetMethod, receiver, arg1, arg2, arg3); } /** * @see #execute */ default boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode arg1, ValueNode arg2, ValueNode arg3, ValueNode arg4) { return defaultHandler(b, targetMethod, receiver, arg1, arg2, arg3, arg4); } /** * @see #execute */ default boolean apply(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode arg1, ValueNode arg2, ValueNode arg3, ValueNode arg4, ValueNode arg5) { return defaultHandler(b, targetMethod, receiver, arg1, arg2, arg3, arg4, arg5); } /** * Executes this plugin against a set of invocation arguments. * * The default implementation in {@link InvocationPlugin} dispatches to the {@code apply(...)} * method that matches the number of arguments or to {@link #applyPolymorphic} if {@code plugin} * is {@linkplain #isSignaturePolymorphic() signature polymorphic}. * * @param targetMethod the method for which this plugin is being applied * @param receiver access to the receiver, {@code null} if {@code targetMethod} is static * @param argsIncludingReceiver all arguments to the invocation include the receiver in position * 0 if {@code targetMethod} is not static * @return {@code true} if this plugin handled the invocation of {@code targetMethod} * {@code false} if the graph builder should process the invoke further (e.g., by * inlining it or creating an {@link Invoke} node). A plugin that does not handle an * invocation must not modify the graph being constructed. */ default boolean execute(GraphBuilderContext b, ResolvedJavaMethod targetMethod, InvocationPlugin.Receiver receiver, ValueNode[] argsIncludingReceiver) { if (isSignaturePolymorphic()) { return applyPolymorphic(b, targetMethod, receiver, argsIncludingReceiver); } else if (receiver != null) { assert !targetMethod.isStatic(); assert argsIncludingReceiver.length > 0; if (argsIncludingReceiver.length == 1) { return apply(b, targetMethod, receiver); } else if (argsIncludingReceiver.length == 2) { return apply(b, targetMethod, receiver, argsIncludingReceiver[1]); } else if (argsIncludingReceiver.length == 3) { return apply(b, targetMethod, receiver, argsIncludingReceiver[1], argsIncludingReceiver[2]); } else if (argsIncludingReceiver.length == 4) { return apply(b, targetMethod, receiver, argsIncludingReceiver[1], argsIncludingReceiver[2], argsIncludingReceiver[3]); } else if (argsIncludingReceiver.length == 5) { return apply(b, targetMethod, receiver, argsIncludingReceiver[1], argsIncludingReceiver[2], argsIncludingReceiver[3], argsIncludingReceiver[4]); } else { return defaultHandler(b, targetMethod, receiver, argsIncludingReceiver); } } else { assert targetMethod.isStatic(); if (argsIncludingReceiver.length == 0) { return apply(b, targetMethod, null); } else if (argsIncludingReceiver.length == 1) { return apply(b, targetMethod, null, argsIncludingReceiver[0]); } else if (argsIncludingReceiver.length == 2) { return apply(b, targetMethod, null, argsIncludingReceiver[0], argsIncludingReceiver[1]); } else if (argsIncludingReceiver.length == 3) { return apply(b, targetMethod, null, argsIncludingReceiver[0], argsIncludingReceiver[1], argsIncludingReceiver[2]); } else if (argsIncludingReceiver.length == 4) { return apply(b, targetMethod, null, argsIncludingReceiver[0], argsIncludingReceiver[1], argsIncludingReceiver[2], argsIncludingReceiver[3]); } else if (argsIncludingReceiver.length == 5) { return apply(b, targetMethod, null, argsIncludingReceiver[0], argsIncludingReceiver[1], argsIncludingReceiver[2], argsIncludingReceiver[3], argsIncludingReceiver[4]); } else { return defaultHandler(b, targetMethod, receiver, argsIncludingReceiver); } } } /** * Handles an invocation when a specific {@code apply} method is not available. */ default boolean defaultHandler(@SuppressWarnings("unused") GraphBuilderContext b, ResolvedJavaMethod targetMethod, @SuppressWarnings("unused") InvocationPlugin.Receiver receiver, ValueNode... args) { throw new JVMCIError("Invocation plugin for %s does not handle invocations with %d arguments", targetMethod.format("%H.%n(%p)"), args.length); } default StackTraceElement getApplySourceLocation(MetaAccessProvider metaAccess) { Class<?> c = getClass(); for (Method m : c.getDeclaredMethods()) { if (m.getName().equals("apply")) { return metaAccess.lookupJavaMethod(m).asStackTraceElement(0); } else if (m.getName().equals("defaultHandler")) { return metaAccess.lookupJavaMethod(m).asStackTraceElement(0); } } throw new JVMCIError("could not find method named \"apply\" or \"defaultHandler\" in " + c.getName()); } }