Mercurial > hg > graal-compiler
comparison graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/Instrumentable.java @ 16880:7661cc464239
Truffle/Instrumentation: Added Instrumentable interface and LineLocationToSourceSections map
SL: Updated implementation to use new Instrumentable interface
author | David Piorkowski <david.piorkowski@oracle.com> |
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date | Thu, 21 Aug 2014 13:28:22 -0700 |
parents | |
children | 997899955e72 a1427e40deaf |
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16867:7af9301efe6b | 16880:7661cc464239 |
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1 /* | |
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. | |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
4 * | |
5 * This code is free software; you can redistribute it and/or modify it | |
6 * under the terms of the GNU General Public License version 2 only, as | |
7 * published by the Free Software Foundation. Oracle designates this | |
8 * particular file as subject to the "Classpath" exception as provided | |
9 * by Oracle in the LICENSE file that accompanied this code. | |
10 * | |
11 * This code is distributed in the hope that it will be useful, but WITHOUT | |
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
14 * version 2 for more details (a copy is included in the LICENSE file that | |
15 * accompanied this code). | |
16 * | |
17 * You should have received a copy of the GNU General Public License version | |
18 * 2 along with this work; if not, write to the Free Software Foundation, | |
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
20 * | |
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
22 * or visit www.oracle.com if you need additional information or have any | |
23 * questions. | |
24 */ | |
25 package com.oracle.truffle.api.instrument; | |
26 | |
27 import com.oracle.truffle.api.*; | |
28 | |
29 public interface Instrumentable { | |
30 | |
31 /** | |
32 * Optionally applies <em>instrumentation</em> at a Truffle AST node, depending on guest | |
33 * language characteristics and use-case policy. Ideally, the parent node of the guest language | |
34 * implements this interface. | |
35 * <ul> | |
36 * <li>if no instrumentation is to be applied, returns the AST node unmodified;</li> | |
37 * <li>if an AST node is to be instrumented, then creates a new Wrapper that <em>decorates</em> | |
38 * the AST node. Additionally, this creates a probe on the wrapper that is to be used for | |
39 * attaching instruments. This {@link Probe} is notified of all {@link ExecutionEvents} at the | |
40 * wrapped AST node.</li> | |
41 * </ul> | |
42 * | |
43 * @param context The {@link ExecutionContext} of the guest language used to create probes on | |
44 * the wrapper. | |
45 * @return The probe that was created. | |
46 */ | |
47 public Probe probe(ExecutionContext context); | |
48 } |