--- /dev/null 2016-05-31 09:42:47.975716356 -0700 +++ new/src/jdk.vm.compiler/share/classes/org.graalvm.compiler.nodes/src/org/graalvm/compiler/nodes/extended/BytecodeExceptionNode.java 2016-12-09 00:55:31.183264161 -0800 @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2011, 2016, 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 org.graalvm.compiler.nodes.extended; + +import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_UNKNOWN; +import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_20; + +import org.graalvm.compiler.core.common.LocationIdentity; +import org.graalvm.compiler.core.common.spi.ForeignCallDescriptor; +import org.graalvm.compiler.core.common.type.StampFactory; +import org.graalvm.compiler.core.common.type.TypeReference; +import org.graalvm.compiler.graph.NodeClass; +import org.graalvm.compiler.graph.NodeInputList; +import org.graalvm.compiler.nodeinfo.NodeInfo; +import org.graalvm.compiler.nodeinfo.Verbosity; +import org.graalvm.compiler.nodes.ValueNode; +import org.graalvm.compiler.nodes.memory.AbstractMemoryCheckpoint; +import org.graalvm.compiler.nodes.memory.MemoryCheckpoint; +import org.graalvm.compiler.nodes.spi.Lowerable; +import org.graalvm.compiler.nodes.spi.LoweringTool; + +import jdk.vm.ci.meta.MetaAccessProvider; + +/** + * A node that represents an exception thrown implicitly by a Java bytecode. It can be lowered to + * either a {@linkplain ForeignCallDescriptor foreign} call or a pre-allocated exception object. + */ +// @formatter:off +@NodeInfo(cycles = CYCLES_UNKNOWN, + cyclesRationale = "Node will be lowered to a foreign call.", + size = SIZE_20) +// @formatter:on +public final class BytecodeExceptionNode extends AbstractMemoryCheckpoint implements Lowerable, MemoryCheckpoint.Single { + + public static final NodeClass TYPE = NodeClass.create(BytecodeExceptionNode.class); + protected final Class exceptionClass; + @Input NodeInputList arguments; + + public BytecodeExceptionNode(MetaAccessProvider metaAccess, Class exceptionClass, ValueNode... arguments) { + super(TYPE, StampFactory.objectNonNull(TypeReference.createExactTrusted(metaAccess.lookupJavaType(exceptionClass)))); + this.exceptionClass = exceptionClass; + this.arguments = new NodeInputList<>(this, arguments); + } + + public Class getExceptionClass() { + return exceptionClass; + } + + @Override + public String toString(Verbosity verbosity) { + if (verbosity == Verbosity.Name) { + return super.toString(verbosity) + "#" + exceptionClass.getSimpleName(); + } + return super.toString(verbosity); + } + + @Override + public LocationIdentity getLocationIdentity() { + return LocationIdentity.any(); + } + + @Override + public void lower(LoweringTool tool) { + tool.getLowerer().lower(this, tool); + } + + public NodeInputList getArguments() { + return arguments; + } +}