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annotate truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/builtins/SLHelloEqualsWorldBuiltin.java @ 22157:dc83cc1f94f2

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Using fully qualified imports
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 16 Sep 2015 11:33:22 +0200
parents 503529c65456
children 8dddde8b20d4
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1 /*
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2 * Copyright (c) 2012, 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 * The Universal Permissive License (UPL), Version 1.0
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6 *
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7 * Subject to the condition set forth below, permission is hereby granted to any
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8 * person obtaining a copy of this software, associated documentation and/or
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9 * data (collectively the "Software"), free of charge and under any and all
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10 * copyright rights in the Software, and any and all patent rights owned or
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11 * freely licensable by each licensor hereunder covering either (i) the
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12 * unmodified Software as contributed to or provided by such licensor, or (ii)
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13 * the Larger Works (as defined below), to deal in both
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14 *
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15 * (a) the Software, and
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16 *
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17 * (b) any piece of software and/or hardware listed in the lrgrwrks.txt file if
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18 * one is included with the Software each a "Larger Work" to which the Software
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19 * is contributed by such licensors),
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20 *
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21 * without restriction, including without limitation the rights to copy, create
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22 * derivative works of, display, perform, and distribute the Software and make,
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23 * use, sell, offer for sale, import, export, have made, and have sold the
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24 * Software and the Larger Work(s), and to sublicense the foregoing rights on
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25 * either these or other terms.
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26 *
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27 * This license is subject to the following condition:
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28 *
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29 * The above copyright notice and either this complete permission notice or at a
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30 * minimum a reference to the UPL must be included in all copies or substantial
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31 * portions of the Software.
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32 *
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33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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34 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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35 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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36 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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37 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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38 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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39 * SOFTWARE.
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40 */
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41 package com.oracle.truffle.sl.builtins;
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42
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43 import com.oracle.truffle.api.CompilerDirectives.TruffleBoundary;
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44 import com.oracle.truffle.api.Truffle;
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45 import com.oracle.truffle.api.dsl.Specialization;
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46 import com.oracle.truffle.api.frame.Frame;
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47 import com.oracle.truffle.api.frame.FrameInstance;
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48 import com.oracle.truffle.api.frame.FrameInstance.FrameAccess;
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49 import com.oracle.truffle.api.frame.FrameSlot;
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50 import com.oracle.truffle.api.nodes.NodeInfo;
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51 import com.oracle.truffle.api.source.SourceSection;
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52
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53 /**
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54 * This builtin sets the variable named "hello" in the caller frame to the string "world".
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55 */
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56 @NodeInfo(shortName = "helloEqualsWorld")
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57 public abstract class SLHelloEqualsWorldBuiltin extends SLBuiltinNode {
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58
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59 public SLHelloEqualsWorldBuiltin() {
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60 super(SourceSection.createUnavailable("SL builtin", "helloEqualsWorld"));
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61 }
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62
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63 @Specialization
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64 @TruffleBoundary
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65 public String change() {
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66 FrameInstance frameInstance = Truffle.getRuntime().getCallerFrame();
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67 Frame frame = frameInstance.getFrame(FrameAccess.READ_WRITE, false);
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68 FrameSlot slot = frame.getFrameDescriptor().findOrAddFrameSlot("hello");
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69 frame.setObject(slot, "world");
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70 return "world";
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71 }
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72 }