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annotate graal/com.oracle.truffle.api/src/com/oracle/truffle/api/nodes/InlinableCallSite.java @ 11809:c7769440afd8

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improve NodeUtil.cloneNode.
author Andreas Woess <andreas.woess@jku.at>
date Wed, 25 Sep 2013 17:34:01 +0200
parents 75d9b7aedcfd
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 import com.oracle.truffle.api.*;
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28
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29 /**
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30 * Denotes a call node that can inline the tree of its associated call target.
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31 *
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32 * @see InlinedCallSite
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33 */
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34 public interface InlinableCallSite {
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35
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36 /**
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37 * Returns the number of calls since the last reset of the call count.
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38 *
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39 * @return the current call count.
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40 */
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41 int getCallCount();
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42
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43 /**
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44 * Resets the call count to 0.
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45 */
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46 void resetCallCount();
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47
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48 /**
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49 * Returns the tree that would be inlined by a call to {@link #inline(FrameFactory)}.
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50 *
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51 * @return the node tree to be inlined.
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52 */
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53 Node getInlineTree();
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54
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55 /**
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56 * Returns the call target associated with this call site.
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57 *
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58 * @return the inlinable {@link CallTarget}.
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59 */
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60 CallTarget getCallTarget();
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61
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62 /**
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63 * Instructs the call node to inline the associated call target.
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64 *
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65 * @param factory Frame factory for creating new virtual frames for inlined calls.
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66 * @return {@code true} if call target was inlined; {@code false} otherwise.
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67 */
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68 boolean inline(FrameFactory factory);
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69 }