Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/impl/SimpleInstrumentListener.java @ 20131:4b12d5355811
Truffle: do not use iterators for visitors.
author | Christian Humer <christian.humer@gmail.com> |
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date | Thu, 02 Apr 2015 01:27:27 +0200 |
parents | a5b09092003a |
children |
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/* * Copyright (c) 2014, 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. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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.api.instrument.impl; import com.oracle.truffle.api.instrument.*; /** * An abstract listener for Truffle {@linkplain InstrumentListener execution events} that ignores * return values and supports handling all events by overriding only two methods: * <ul> * <li>{@link #enter(Probe)}, and</li> * <li>{@link #returnAny(Probe)}.</li> * </ul> */ public abstract class SimpleInstrumentListener implements InstrumentListener { public void enter(Probe probe) { } /** * Receive notification that an execute method has just returned by any means: with or without a * return value (ignored) or via exception (ignored). * * @param probe */ protected void returnAny(Probe probe) { } public final void returnVoid(Probe probe) { returnAny(probe); } public final void returnValue(Probe probe, Object result) { returnAny(probe); } public final void returnExceptional(Probe probe, Exception e) { returnAny(probe); } }