Mercurial > hg > graal-jvmci-8
view graal/com.oracle.truffle.sl.test/src/com/oracle/truffle/sl/test/instrument/SLPrintAssigmentValueInstrument.java @ 18312:a968fd429ee5
Add CONTRIBUTING.md file which will show up in GitHub when people try to send pull requests.
author | Chris Seaton <chris.seaton@oracle.com> |
---|---|
date | Sun, 09 Nov 2014 16:33:40 +0000 |
parents | a24beb9c9993 |
children |
line wrap: on
line source
/* * Copyright (c) 2014, 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.truffle.sl.test.instrument; import java.io.*; import com.oracle.truffle.api.frame.*; import com.oracle.truffle.api.instrument.*; import com.oracle.truffle.api.nodes.*; import com.oracle.truffle.sl.nodes.local.*; /** * This sample instrument provides prints the value of an assignment (after the assignment is * complete) to the {@link PrintStream} specified in the constructor. This instrument can only be * attached to a wrapped {@link SLWriteLocalVariableNode}, but provides no guards to protect it from * being attached elsewhere. */ public final class SLPrintAssigmentValueInstrument extends Instrument { private PrintStream output; public SLPrintAssigmentValueInstrument(PrintStream output) { this.output = output; } @Override public void leave(Node astNode, VirtualFrame frame, Object result) { output.println(result); } }