Mercurial > hg > graal-jvmci-8
view graal/com.oracle.graal.truffle/src/com/oracle/graal/truffle/nodes/asserts/NeverPartOfCompilationNode.java @ 22052:1489392b6469
Truffle: Stop bytecode parsing on a call to CompilerAsserts.neverPartOfCompilation()
author | Christian Wimmer <christian.wimmer@oracle.com> |
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date | Mon, 22 Jun 2015 10:33:29 -0700 |
parents | b97ec8aec2c7 |
children |
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/* * Copyright (c) 2013, 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.truffle.nodes.asserts; import com.oracle.graal.compiler.common.type.*; import com.oracle.graal.graph.*; import com.oracle.graal.nodeinfo.*; import com.oracle.graal.nodes.*; import com.oracle.graal.nodes.util.*; @NodeInfo public final class NeverPartOfCompilationNode extends ControlSinkNode implements StateSplit, IterableNodeType { public static final NodeClass<NeverPartOfCompilationNode> TYPE = NodeClass.create(NeverPartOfCompilationNode.class); protected final String message; @OptionalInput(InputType.State) protected FrameState stateAfter; public NeverPartOfCompilationNode(String message) { super(TYPE, StampFactory.forVoid()); this.message = message; } public String getMessage() { return message; } public FrameState stateAfter() { return stateAfter; } public void setStateAfter(FrameState x) { assert x == null || x.isAlive() : "frame state must be in a graph"; updateUsages(stateAfter, x); stateAfter = x; } public boolean hasSideEffect() { return true; } public static void verifyNotFoundIn(final StructuredGraph graph) { for (NeverPartOfCompilationNode neverPartOfCompilationNode : graph.getNodes(NeverPartOfCompilationNode.TYPE)) { Throwable exception = new VerificationError(neverPartOfCompilationNode.getMessage()); throw GraphUtil.approxSourceException(neverPartOfCompilationNode, exception); } } }