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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/ControlFlowException.java @ 13983:f46cab39a9a2

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Truffle: Updated inlining API. Pushed inlining implementation to the Truffle runtime.
author Christian Humer <christian.humer@gmail.com>
date Thu, 20 Feb 2014 01:21:49 +0100
parents 20e7727588e8
children
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1 /*
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2 * Copyright (c) 2012, 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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6 * under the terms of the GNU General Public License version 2 only, as
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7 * published by the Free Software Foundation. Oracle designates this
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8 * particular file as subject to the "Classpath" exception as provided
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9 * by Oracle in the LICENSE file that accompanied this code.
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10 *
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11 * This code is distributed in the hope that it will be useful, but WITHOUT
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12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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14 * version 2 for more details (a copy is included in the LICENSE file that
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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.nodes;
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26
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27 /**
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28 * An exception thrown to model control flow in a Truffle interpreter. The Truffle optimizer has
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29 * special knowledge of this exception class for performance optimizations.
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30 */
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31 public class ControlFlowException extends RuntimeException {
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32
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33 private static final long serialVersionUID = 3676602078425211386L;
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34
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35 /**
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36 * Creates an exception thrown to model control flow.
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37 */
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38 public ControlFlowException() {
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39 /*
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40 * We use the super constructor that initializes the cause to null. Without that, the cause
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41 * would be this exception itself. This helps escape analysis: it avoids the circle of an
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42 * object pointing to itself.
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43 */
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44 super((Throwable) null);
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45 }
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47 /**
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48 * For performance reasons, this exception does not record any stack trace information.
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49 */
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50 @SuppressWarnings("sync-override")
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51 @Override
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52 public final Throwable fillInStackTrace() {
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53 return null;
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54 }
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55 }