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annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/examples/ExampleNode.java @ 22157:dc83cc1f94f2
Using fully qualified imports
author | Jaroslav Tulach <jaroslav.tulach@oracle.com> |
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date | Wed, 16 Sep 2015 11:33:22 +0200 |
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rev | line source |
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1 /* |
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2 * Copyright (c) 2015, 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. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.truffle.api.dsl.test.examples; |
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24 |
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25 import com.oracle.truffle.api.CallTarget; |
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26 import com.oracle.truffle.api.RootCallTarget; |
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27 import com.oracle.truffle.api.Truffle; |
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28 import com.oracle.truffle.api.dsl.NodeChild; |
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29 import com.oracle.truffle.api.dsl.TypeSystemReference; |
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30 import com.oracle.truffle.api.dsl.internal.SpecializedNode; |
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31 import com.oracle.truffle.api.dsl.test.TestingLanguage; |
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32 import com.oracle.truffle.api.frame.VirtualFrame; |
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33 import com.oracle.truffle.api.nodes.Node; |
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34 import com.oracle.truffle.api.nodes.RootNode; |
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35 |
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36 @TypeSystemReference(ExampleTypes.class) |
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37 @NodeChild(value = "args", type = ExampleNode[].class) |
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38 public abstract class ExampleNode extends Node { |
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39 |
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40 public Object execute(@SuppressWarnings("unused") VirtualFrame frame) { |
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41 // will get implemented by the DSL. |
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42 throw new UnsupportedOperationException(); |
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43 } |
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44 |
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45 @Override |
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46 public String toString() { |
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47 if (this instanceof SpecializedNode) { |
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48 return ((SpecializedNode) this).getSpecializationNode().toString(); |
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49 } else { |
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50 return super.toString(); |
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51 } |
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52 } |
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53 |
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54 public static CallTarget createTarget(ExampleNode node) { |
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55 return Truffle.getRuntime().createCallTarget(new ExampleRootNode(node)); |
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56 } |
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57 |
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58 @SuppressWarnings("unchecked") |
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59 public static <T> T getNode(CallTarget target) { |
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60 return (T) ((ExampleRootNode) ((RootCallTarget) target).getRootNode()).child; |
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61 } |
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62 |
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63 public static ExampleNode[] createArguments(int count) { |
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64 ExampleNode[] nodes = new ExampleNode[count]; |
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65 for (int i = 0; i < count; i++) { |
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66 nodes[i] = new ExampleArgumentNode(i); |
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67 } |
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68 return nodes; |
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69 } |
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70 |
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71 private static class ExampleRootNode extends RootNode { |
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72 |
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73 @Child ExampleNode child; |
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74 |
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75 public ExampleRootNode(ExampleNode child) { |
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76 super(TestingLanguage.class, null, null); |
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77 this.child = child; |
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78 } |
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79 |
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80 @Override |
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81 public Object execute(VirtualFrame frame) { |
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82 return child.execute(frame); |
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83 } |
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84 |
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85 } |
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86 |
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87 private static class ExampleArgumentNode extends ExampleNode { |
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88 |
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89 private final int index; |
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90 |
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91 public ExampleArgumentNode(int index) { |
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92 this.index = index; |
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93 } |
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94 |
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95 @Override |
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96 public Object execute(VirtualFrame frame) { |
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97 Object[] arguments = frame.getArguments(); |
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98 if (index < arguments.length) { |
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99 return arguments[index]; |
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100 } |
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101 return null; |
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102 } |
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103 } |
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104 |
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105 public static CallTarget createDummyTarget(int argumentIndex) { |
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106 return Truffle.getRuntime().createCallTarget(new DummyCallRootNode(argumentIndex)); |
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107 } |
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108 |
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109 private static class DummyCallRootNode extends RootNode { |
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110 |
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111 private final int argumentIndex; |
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112 |
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113 public DummyCallRootNode(int argumentIndex) { |
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114 super(TestingLanguage.class, null, null); |
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115 this.argumentIndex = argumentIndex; |
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116 } |
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117 |
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118 @Override |
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119 public Object execute(VirtualFrame frame) { |
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120 return frame.getArguments()[argumentIndex]; |
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121 } |
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122 |
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123 @Override |
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124 public String toString() { |
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125 return "DummyRootNode[arg = " + argumentIndex + "]"; |
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126 } |
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127 |
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128 } |
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129 |
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130 } |