Mercurial > hg > truffle
view truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/instrument/SLStatementWrapperNode.java @ 22157:dc83cc1f94f2
Using fully qualified imports
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Wed, 16 Sep 2015 11:33:22 +0200 |
parents | 503529c65456 |
children | c896a8e70777 |
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/* * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * The Universal Permissive License (UPL), Version 1.0 * * Subject to the condition set forth below, permission is hereby granted to any * person obtaining a copy of this software, associated documentation and/or * data (collectively the "Software"), free of charge and under any and all * copyright rights in the Software, and any and all patent rights owned or * freely licensable by each licensor hereunder covering either (i) the * unmodified Software as contributed to or provided by such licensor, or (ii) * the Larger Works (as defined below), to deal in both * * (a) the Software, and * * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if * one is included with the Software each a "Larger Work" to which the Software * is contributed by such licensors), * * without restriction, including without limitation the rights to copy, create * derivative works of, display, perform, and distribute the Software and make, * use, sell, offer for sale, import, export, have made, and have sold the * Software and the Larger Work(s), and to sublicense the foregoing rights on * either these or other terms. * * This license is subject to the following condition: * * The above copyright notice and either this complete permission notice or at a * minimum a reference to the UPL must be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package com.oracle.truffle.sl.nodes.instrument; import com.oracle.truffle.api.frame.VirtualFrame; import com.oracle.truffle.api.instrument.Instrument; import com.oracle.truffle.api.instrument.KillException; import com.oracle.truffle.api.instrument.Probe; import com.oracle.truffle.api.instrument.ProbeNode; import com.oracle.truffle.api.instrument.ProbeNode.WrapperNode; import com.oracle.truffle.api.nodes.Node; import com.oracle.truffle.api.nodes.NodeCost; import com.oracle.truffle.api.nodes.NodeInfo; import com.oracle.truffle.sl.nodes.SLStatementNode; /** * A Truffle node that can be inserted into a Simple AST (assumed not to have executed yet) to * enable "instrumentation" of a {@link SLStatementNode}. Tools wishing to interact with AST * execution may attach {@link Instrument}s to the {@link Probe} uniquely associated with the * wrapper, and to which this wrapper routes execution events. */ @NodeInfo(cost = NodeCost.NONE) public final class SLStatementWrapperNode extends SLStatementNode implements WrapperNode { @Child private SLStatementNode child; @Child private ProbeNode probeNode; public SLStatementWrapperNode(SLStatementNode child) { super(child.getSourceSection()); assert !(child instanceof SLStatementWrapperNode); this.child = child; } public String instrumentationInfo() { return "Wrapper node for SL Statements"; } @Override public boolean isInstrumentable() { return false; } @Override public SLStatementNode getNonWrapperNode() { return child; } public void insertProbe(ProbeNode newProbeNode) { this.probeNode = newProbeNode; } public Probe getProbe() { return probeNode.getProbe(); } @Override public Node getChild() { return child; } @Override public void executeVoid(VirtualFrame vFrame) { probeNode.enter(child, vFrame); try { child.executeVoid(vFrame); probeNode.returnVoid(child, vFrame); } catch (KillException e) { throw (e); } catch (Exception e) { probeNode.returnExceptional(child, vFrame, e); throw (e); } } }