/*
* Copyright (c) 2013, 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.
*
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package org.graalvm.compiler.truffle.phases;
import org.graalvm.compiler.graph.VerificationError;
import org.graalvm.compiler.nodes.StructuredGraph;
import org.graalvm.compiler.nodes.java.MethodCallTargetNode;
import org.graalvm.compiler.nodes.util.GraphUtil;
import org.graalvm.compiler.phases.Phase;
import org.graalvm.compiler.truffle.nodes.frame.NewFrameNode;
/**
* Compiler phase for verifying that the Truffle virtual frame does not escape and can therefore be
* escape analyzed.
*/
public class VerifyFrameDoesNotEscapePhase extends Phase {
@Override
protected void run(StructuredGraph graph) {
for (NewFrameNode virtualFrame : graph.getNodes(NewFrameNode.TYPE)) {
for (MethodCallTargetNode callTarget : virtualFrame.usages().filter(MethodCallTargetNode.class)) {
if (callTarget.invoke() != null) {
String properties = callTarget.getDebugProperties().toString();
String arguments = callTarget.arguments().toString();
Throwable exception = new VerificationError("Frame escapes at: %s#%s\nproperties:%s\narguments: %s", callTarget, callTarget.targetMethod(), properties, arguments);
throw GraphUtil.approxSourceException(callTarget, exception);
}
}
}
}
}