annotate truffle/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/SourceSectionTest.java @ 21987:b2d1c8ff592a

Less classes in the source API package. Merging interfaces and their only implementation into final classes. Hiding NullSourceSection behind factory method. Using JDK's standard CharsetDecoder instead of proprietary BytesDecoder.
author Jaroslav Tulach <jaroslav.tulach@oracle.com>
date Wed, 01 Jul 2015 10:23:36 +0200
parents 9c8c0937da41
children dc83cc1f94f2
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 /*
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2 * Copyright (c) 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 * 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;
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24
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25 import static com.oracle.truffle.api.dsl.test.TestHelper.*;
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26 import static org.hamcrest.CoreMatchers.*;
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27 import static org.junit.Assert.*;
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28
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29 import org.junit.*;
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30 import org.junit.experimental.theories.*;
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31 import org.junit.runner.*;
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32
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33 import com.oracle.truffle.api.dsl.*;
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34 import com.oracle.truffle.api.dsl.internal.*;
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35 import com.oracle.truffle.api.dsl.test.SourceSectionTestFactory.SourceSection0Factory;
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36 import com.oracle.truffle.api.dsl.test.SourceSectionTestFactory.SourceSection1Factory;
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37 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ArgumentNode;
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38 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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39 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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40 import com.oracle.truffle.api.nodes.*;
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41 import com.oracle.truffle.api.source.*;
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42
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43 @RunWith(Theories.class)
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44 public class SourceSectionTest {
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45
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46 @DataPoints public static final int[] data = new int[]{1, 2, 3, 4};
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47
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48 @Theory
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49 public void testSourceSections(int value0, int value1, int value2) {
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50 TestRootNode<SourceSection0> root = createRoot(SourceSection0Factory.getInstance());
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51 SourceSection section = SourceSection.createUnavailable("a", "b");
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52 root.getNode().assignSourceSection(section);
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53 expectSourceSection(root.getNode(), section);
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54 assertThat((int) executeWith(root, value0), is(value0));
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55 expectSourceSection(root.getNode(), section);
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56 assertThat((int) executeWith(root, value1), is(value1));
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57 expectSourceSection(root.getNode(), section);
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58 assertThat((int) executeWith(root, value2), is(value2));
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59 expectSourceSection(root.getNode(), section);
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60 }
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61
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62 private static void expectSourceSection(Node root, SourceSection section) {
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63 assertThat(root.getSourceSection(), is(sameInstance(section)));
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64 for (Node child : root.getChildren()) {
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65 if (child instanceof ArgumentNode || child instanceof SpecializationNode) {
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66 continue;
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67 }
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68 if (child != null) {
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69 expectSourceSection(child, section);
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70 }
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71 }
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72 }
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73
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74 @NodeChild("a")
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75 static class SourceSection0 extends ValueNode {
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76
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77 @Specialization(guards = "a == 1")
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78 int do1(int a) {
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79 return a;
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80 }
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81
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82 @Specialization(guards = "a == 2")
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83 int do2(int a) {
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84 return a;
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85 }
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86
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87 @Specialization(guards = "a == 3")
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88 int do3(int a) {
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89 return a;
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90 }
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91
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92 @Fallback
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93 Object do4(Object a) {
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94 return a; // the generic answer to all questions
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95 }
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96 }
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97
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98 @Test
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99 public void testCreateCast() {
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100 SourceSection section = SourceSection.createUnavailable("a", "b");
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101 assertNull(section.getSource());
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102 TestRootNode<SourceSection1> root = createRootPrefix(SourceSection1Factory.getInstance(), true, section);
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103 expectSourceSection(root.getNode(), section);
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104 assertThat((int) executeWith(root, 1), is(1));
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105 expectSourceSection(root.getNode(), section);
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106 }
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107
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108 @NodeChild("a")
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109 static class SourceSection1 extends ValueNode {
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110
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111 public SourceSection1(SourceSection section) {
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112 super(section);
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113 }
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114
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115 @CreateCast("a")
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116 public ValueNode cast(ValueNode node) {
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117 assert getSourceSection() != null;
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118 return node;
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119 }
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120
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121 @Specialization
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122 int do0(int a) {
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123 return a;
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124 }
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125
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126 }
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127 }