Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/PhylumTag.java @ 15779:8c34e2cc4add
Truffle/Instrumentation: significant reorganization of the instrumentation framework's implementation and connection to the runtime ExecutionContext, with some new features, including a Tag-based "trap" mechanisms.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Mon, 19 May 2014 17:14:36 -0700 |
parents | bb9473723904 |
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Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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1 /* |
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2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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6 * under the terms of the GNU General Public License version 2 only, as |
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Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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7 * published by the Free Software Foundation. Oracle designates this |
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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8 * particular file as subject to the "Classpath" exception as provided |
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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9 * by Oracle in the LICENSE file that accompanied this code. |
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Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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10 * |
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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11 * This code is distributed in the hope that it will be useful, but WITHOUT |
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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Truffle: Major cleanup and extension of the Truffle Instrumentation framework in com.oracle.truffle.api
Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
0c6d8a08e31b
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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14 * version 2 for more details (a copy is included in the LICENSE file that |
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Michael Van De Vanter <michael.van.de.vanter@oracle.com>
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15 * accompanied this code). |
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16 * |
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17 * You should have received a copy of the GNU General Public License version |
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18 * 2 along with this work; if not, write to the Free Software Foundation, |
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19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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20 * |
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21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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22 * or visit www.oracle.com if you need additional information or have any |
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23 * questions. |
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24 */ |
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25 package com.oracle.truffle.api.instrument; |
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26 |
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27 /** |
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28 * Program element "tags", presumed to be singletons (best implemented as enums) that define |
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29 * user-visible behavior for debugging and other simple tools. These categories (<em>phyla</em>) |
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30 * should correspond to program structures that are meaningful to a guest language programmer. |
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31 * <p> |
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32 * An untagged Truffle node should be understood as an artifact of the guest language implementation |
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33 * and should not be visible to the user of a guest language programming tool. Nodes may also have |
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34 * more than one tag, for example a variable assignment that is also a statement. Finally, the |
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35 * assignment of tags to nodes could depending on the use-case of whatever tool is using them. |
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36 * <p> |
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37 * <strong>Disclaimer:</strong> experimental interface under development. |
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38 * |
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39 * @see Probe |
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40 * @see Wrapper |
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41 * @see StandardTag |
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42 */ |
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43 public interface PhylumTag { |
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44 |
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45 /** |
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46 * Human-friendly name of guest language program elements belonging to the category, e.g. |
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47 * "statement". |
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48 */ |
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49 String name(); |
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50 |
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51 /** |
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52 * Criteria and example uses for the tag. |
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53 */ |
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54 String getDescription(); |
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55 |
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56 } |