Mercurial > hg > graal-compiler
view graal/com.oracle.max.graal.nodes/src/com/oracle/max/graal/nodes/InvokeWithExceptionNode.java @ 4249:1aaf3592e516
Fix some warnings from findbugs
author | Gilles Duboscq <gilles.m.duboscq@gmail.com> |
---|---|
date | Mon, 09 Jan 2012 14:05:12 +0100 |
parents | aaac4894175c |
children | 0768bf0a4898 |
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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.max.graal.nodes; import java.util.*; import com.oracle.max.cri.ci.*; import com.oracle.max.graal.graph.*; import com.oracle.max.graal.nodes.calc.*; import com.oracle.max.graal.nodes.extended.*; import com.oracle.max.graal.nodes.java.*; import com.oracle.max.graal.nodes.spi.*; import com.oracle.max.graal.nodes.util.*; public class InvokeWithExceptionNode extends ControlSplitNode implements Node.IterableNodeType, Invoke, MemoryCheckpoint, LIRLowerable { private static final int NORMAL_EDGE = 0; private static final int EXCEPTION_EDGE = 1; @Input private final MethodCallTargetNode callTarget; @Input private FrameState stateAfter; private final int bci; /** * @param kind * @param blockSuccessors * @param branchProbability */ public InvokeWithExceptionNode(MethodCallTargetNode callTarget, BeginNode exceptionEdge, int bci) { super(callTarget.returnStamp(), new BeginNode[]{null, exceptionEdge}, new double[]{1.0, 0.0}); this.bci = bci; this.callTarget = callTarget; } public BeginNode exceptionEdge() { return blockSuccessor(EXCEPTION_EDGE); } public void setExceptionEdge(BeginNode x) { setBlockSuccessor(EXCEPTION_EDGE, x); } public BeginNode next() { return blockSuccessor(NORMAL_EDGE); } public void setNext(BeginNode x) { setBlockSuccessor(NORMAL_EDGE, x); } public MethodCallTargetNode callTarget() { return callTarget; } @Override public String toString(Verbosity verbosity) { if (verbosity == Verbosity.Long) { return super.toString(Verbosity.Short) + "(bci=" + bci() + ")"; } else if (verbosity == Verbosity.Name) { return "Invoke!#" + callTarget.targetMethod().name(); } else { return super.toString(verbosity); } } public int bci() { return bci; } @Override public FixedNode node() { return this; } @Override public void setNext(FixedNode x) { if (x != null) { this.setNext(BeginNode.begin(x)); } else { this.setNext(null); } } @Override public void generate(LIRGeneratorTool gen) { gen.emitInvoke(this); } public FrameState stateAfter() { return stateAfter; } public void setStateAfter(FrameState stateAfter) { updateUsages(this.stateAfter, stateAfter); this.stateAfter = stateAfter; } public FrameState stateDuring() { return stateAfter().duplicateModified(bci(), stateAfter().rethrowException(), this.callTarget.targetMethod().signature().returnKind(false)); } @Override public Map<Object, Object> getDebugProperties() { Map<Object, Object> debugProperties = super.getDebugProperties(); debugProperties.put("memoryCheckpoint", "true"); if (callTarget != null && callTarget.targetMethod() != null) { debugProperties.put("targetMethod", CiUtil.format("%h.%n(%p)", callTarget.targetMethod())); } return debugProperties; } public void killExceptionEdge() { BeginNode exceptionEdge = exceptionEdge(); setExceptionEdge(null); GraphUtil.killCFG(exceptionEdge); } @Override public boolean needsStateAfter() { return true; } @Override public void intrinsify(Node node) { this.callTarget.delete(); killExceptionEdge(); if (node instanceof StateSplit) { StateSplit stateSplit = (StateSplit) node; stateSplit.setStateAfter(stateAfter()); } else { if (stateAfter().usages().size() == 1) { stateAfter().delete(); } } if (node instanceof FixedWithNextNode) { FixedWithNextNode fixedWithNextNode = (FixedWithNextNode) node; FixedNode next = this.next(); setNext(null); fixedWithNextNode.setNext(next); this.replaceAndDelete(node); } else if (node instanceof FloatingNode || (node == null && this.kind() == CiKind.Void)) { FixedNode next = this.next(); setNext(null); this.replaceAtPredecessors(next); this.replaceAtUsages(node); this.delete(); } else { assert false : node; } } }