Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/impl/SimpleEventListener.java @ 19490:745ecef4c9cd
Truffle/Instrumentation: clean up the use of Assumptions in the Probe (and attached Instruments)
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Wed, 18 Feb 2015 18:07:48 -0800 |
parents | 128586040207 |
children | b5467bb34b24 |
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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.frame.*; import com.oracle.truffle.api.instrument.*; import com.oracle.truffle.api.nodes.*; /** * An abstract listener for AST {@linkplain TruffleEventListener execution events} that ignores * return values and supports handling all events by overriding only two methods: * <ul> * <li>{@link #enter(Node, VirtualFrame)}, and</li> * <li>{@link #returnAny(Node, VirtualFrame)}.</li> * </ul> */ public abstract class SimpleEventListener implements TruffleEventListener { public void enter(Node node, VirtualFrame frame) { } /** * Receive notification that one of an AST Node's execute methods has just returned by any * means: with or without a return value (ignored) or via exception (ignored). * * @param node * @param frame */ public void returnAny(Node node, VirtualFrame frame) { } public final void returnVoid(Node node, VirtualFrame frame) { returnAny(node, frame); } public final void returnValue(Node node, VirtualFrame frame, Object result) { returnAny(node, frame); } public final void returnExceptional(Node node, VirtualFrame frame, Exception e) { returnAny(node, frame); } }