Mercurial > hg > graal-compiler
view graal/com.oracle.truffle.api/src/com/oracle/truffle/api/instrument/StandardTag.java @ 15605:bb9473723904
Truffle/Instrumentation:
- Merge instrumentation support into the general execution context; remove separate Instrumentation interface and implementation
- Generalize the ?tagging? mechanism for extensibility: the enum PhylumTag is now an interface, and the standard tags moved to the new enum StandardTag
- A new ?trap? mechanism interrupts program execution at any probed node holding a specified PhylumTag; this replaces some other special-purpose code.
- Refine several interface by factoring out callback methods and simplifying collaboration among key implementation classes.
author | Michael Van De Vanter <michael.van.de.vanter@oracle.com> |
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date | Mon, 12 May 2014 20:17:25 -0700 |
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/* * Copyright (c) 2014, 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; /** * A somewhat language-agnostic set of phylum categories, suitable for conventional imperative * languages, and is being developed incrementally. * <p> * The need for alternative sets of tags is likely to arise, perhaps for other families of languages * (for example for mostly expression-oriented languages) or even for specific languages. * <p> * <strong>Disclaimer:</strong> experimental interface under development. * * @see Probe * @see Wrapper */ public enum StandardTag implements PhylumTag { /** * Marker for a variable assignment. */ ASSIGNMENT("assignment", "a variable assignment"), /** * Marker for a call site. */ CALL("call", "a method/procedure call site"), /** * Marker for a location where a guest language exception is about to be thrown. */ THROW("throw", "creator of an exception"), /** * Marker for a location where ordinary "stepping" should halt. */ STATEMENT("statement", "basic unit of the language, suitable for \"stepping\" in a debugger"); private final String name; private final String description; private StandardTag(String name, String description) { this.name = name; this.description = description; } public String getName() { return name; } public String getDescription() { return description; } }