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annotate truffle/com.oracle.truffle.sl/src/com/oracle/truffle/sl/nodes/SLRootNode.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 46384e637592
children 1c0f490984d5
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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.nodes;
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42
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43 import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
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44 import com.oracle.truffle.api.frame.FrameDescriptor;
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45 import com.oracle.truffle.api.frame.VirtualFrame;
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46 import com.oracle.truffle.api.instrument.Probe;
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47 import com.oracle.truffle.api.nodes.NodeInfo;
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48 import com.oracle.truffle.api.nodes.RootNode;
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49 import com.oracle.truffle.sl.SLLanguage;
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50 import com.oracle.truffle.sl.builtins.SLBuiltinNode;
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51 import com.oracle.truffle.sl.nodes.controlflow.SLFunctionBodyNode;
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52 import com.oracle.truffle.sl.runtime.SLContext;
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53
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54 /**
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55 * The root of all SL execution trees. It is a Truffle requirement that the tree root extends the
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56 * class {@link RootNode}. This class is used for both builtin and user-defined functions. For
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57 * builtin functions, the {@link #bodyNode} is a subclass of {@link SLBuiltinNode}. For user-defined
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58 * functions, the {@link #bodyNode} is a {@link SLFunctionBodyNode}.
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59 */
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60 @NodeInfo(language = "Simple Language", description = "The root of all Simple Language execution trees")
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61 public final class SLRootNode extends RootNode {
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62
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63 /** The function body that is executed, and specialized during execution. */
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64 @Child private SLExpressionNode bodyNode;
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65
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66 /** The name of the function, for printing purposes only. */
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67 private final String name;
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68
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69 @CompilationFinal private boolean isCloningAllowed;
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70
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71 @SuppressWarnings("unused")
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72 public SLRootNode(SLContext ignore, FrameDescriptor frameDescriptor, SLExpressionNode bodyNode, String name) {
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73 super(SLLanguage.class, null, frameDescriptor);
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74 this.bodyNode = bodyNode;
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75 this.name = name;
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76 }
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77
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78 @Override
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79 public Object execute(VirtualFrame frame) {
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80 assert SLLanguage.INSTANCE.findContext0(SLLanguage.INSTANCE.createFindContextNode0()) != null;
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81 return bodyNode.executeGeneric(frame);
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82 }
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83
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84 public String getName() {
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85 return name;
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86 }
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87
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88 public void setCloningAllowed(boolean isCloningAllowed) {
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89 this.isCloningAllowed = isCloningAllowed;
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90 }
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91
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92 public SLExpressionNode getBodyNode() {
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93 return bodyNode;
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94 }
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95
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96 @Override
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97 public boolean isCloningAllowed() {
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98 return isCloningAllowed;
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99 }
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100
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101 @Override
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102 public void applyInstrumentation() {
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103 Probe.applyASTProbers(bodyNode);
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104 }
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106 @Override
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107 public String toString() {
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108 return "root " + name;
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109 }
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110 }