Mercurial > hg > truffle
view graal/com.oracle.graal.nodes/src/com/oracle/graal/nodes/java/MethodCallTargetNode.java @ 7530:5e3d1a68664e
applied mx eclipseformat to all Java files
author | Doug Simon <doug.simon@oracle.com> |
---|---|
date | Wed, 23 Jan 2013 16:34:57 +0100 |
parents | 225002aba5a5 |
children | 7d66682cc901 |
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/* * Copyright (c) 2011, 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.nodes.java; import com.oracle.graal.api.meta.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.spi.*; import com.oracle.graal.nodes.type.*; public class MethodCallTargetNode extends CallTargetNode implements Node.IterableNodeType, Canonicalizable { public enum InvokeKind { Interface, Special, Static, Virtual } private final JavaType returnType; private ResolvedJavaMethod targetMethod; private InvokeKind invokeKind; /** * @param arguments */ public MethodCallTargetNode(InvokeKind invokeKind, ResolvedJavaMethod targetMethod, ValueNode[] arguments, JavaType returnType) { super(arguments); this.invokeKind = invokeKind; this.returnType = returnType; this.targetMethod = targetMethod; } /** * Gets the target method for this invocation instruction. * * @return the target method */ public ResolvedJavaMethod targetMethod() { return targetMethod; } public InvokeKind invokeKind() { return invokeKind; } public void setInvokeKind(InvokeKind kind) { this.invokeKind = kind; } public void setTargetMethod(ResolvedJavaMethod method) { targetMethod = method; } /** * Gets the instruction that produces the receiver object for this invocation, if any. * * @return the instruction that produces the receiver object for this invocation if any, * {@code null} if this invocation does not take a receiver object */ public ValueNode receiver() { return isStatic() ? null : arguments().get(0); } /** * Checks whether this is an invocation of a static method. * * @return {@code true} if the invocation is a static invocation */ public boolean isStatic() { return invokeKind() == InvokeKind.Static; } public Kind returnKind() { return targetMethod().getSignature().getReturnKind(); } public Invoke invoke() { return (Invoke) this.usages().first(); } @Override public boolean verify() { assert usages().count() <= 1 : "call target may only be used by a single invoke"; for (Node n : usages()) { assertTrue(n instanceof Invoke, "call target can only be used from an invoke (%s)", n); } return super.verify(); } @Override public String toString(Verbosity verbosity) { if (verbosity == Verbosity.Long) { return super.toString(Verbosity.Short) + "(" + targetMethod() + ")"; } else { return super.toString(verbosity); } } @Override public ValueNode canonical(CanonicalizerTool tool) { if (!isStatic()) { ValueNode receiver = receiver(); if (receiver != null && receiver.objectStamp().isExactType()) { if (invokeKind == InvokeKind.Interface || invokeKind == InvokeKind.Virtual) { ResolvedJavaMethod method = receiver.objectStamp().type().resolveMethod(targetMethod); if (method != null) { invokeKind = InvokeKind.Special; targetMethod = method; } } } } return this; } public JavaType returnType() { return returnType; } @Override public Stamp returnStamp() { Kind returnKind = targetMethod.getSignature().getReturnKind(); if (returnKind == Kind.Object && returnType instanceof ResolvedJavaType) { return StampFactory.declared((ResolvedJavaType) returnType); } else { return StampFactory.forKind(returnKind); } } @Override public String targetName() { if (targetMethod() == null) { return "??Invalid!"; } return targetMethod().getName(); } public static MethodCallTargetNode find(StructuredGraph graph, ResolvedJavaMethod method) { for (MethodCallTargetNode target : graph.getNodes(MethodCallTargetNode.class)) { if (target.targetMethod == method) { return target; } } return null; } }