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annotate graal/com.oracle.truffle.api.dsl.test/src/com/oracle/truffle/api/dsl/test/ImplicitCastTest.java @ 12391:7aa2a8c69ba3

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TruffleDSL: improved code generation layout for implicit casts.
author Christian Humer <christian.humer@gmail.com>
date Thu, 03 Oct 2013 16:31:09 +0200
parents 2fb276f5e3e9
children 4e26955b6da2
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1 /*
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2 * Copyright (c) 2012, 2013, 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 org.junit.*;
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26
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27 import com.oracle.truffle.api.dsl.*;
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28 import com.oracle.truffle.api.dsl.test.ImplicitCastTestFactory.ImplicitCast0NodeFactory;
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29 import com.oracle.truffle.api.dsl.test.NodeContainerTest.Str;
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30 import com.oracle.truffle.api.dsl.test.TypeSystemTest.TestRootNode;
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31 import com.oracle.truffle.api.dsl.test.TypeSystemTest.ValueNode;
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32 import com.oracle.truffle.api.frame.*;
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33
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34 public class ImplicitCastTest {
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35
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36 @TypeSystem({int.class, boolean.class, String.class, Str.class})
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37 static class ImplicitCast0Types {
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38
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39 @ImplicitCast
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40 boolean castInt(int intvalue) {
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41 return intvalue == 1 ? true : false;
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42 }
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43
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44 @ImplicitCast
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45 boolean castString(String strvalue) {
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46 return strvalue.equals("1");
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47 }
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48
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49 }
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50
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51 @TypeSystemReference(ImplicitCast0Types.class)
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52 @NodeChild(value = "operand", type = ImplicitCast0Node.class)
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53 abstract static class ImplicitCast0Node extends ValueNode {
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54
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55 public abstract Object executeEvaluated(VirtualFrame frame, Object value2);
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56
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57 @Specialization
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58 public String op1(String value) {
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59 return value;
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60 }
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61
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62 @Specialization
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63 public boolean op1(boolean value) {
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64 return value;
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65 }
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66
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67 }
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68
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69 @Test
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70 public void testImplicitCast0() {
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71 ImplicitCast0Node node = ImplicitCast0NodeFactory.create(null);
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72 TestRootNode<ImplicitCast0Node> root = new TestRootNode<>(node);
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73 Assert.assertEquals("2", root.getNode().executeEvaluated(null, "2"));
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74 Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1));
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75 Assert.assertEquals("1", root.getNode().executeEvaluated(null, "1"));
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76 Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1));
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77 Assert.assertEquals(true, root.getNode().executeEvaluated(null, true));
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78 }
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79
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80 // @TypeSystemReference(ImplicitCast0Types.class)
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81 // @NodeChild(value = "operand", type = ImplicitCast0Node.class)
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82 // abstract static class ImplicitCast1Node extends ValueNode {
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83 //
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84 // @Specialization
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85 // public String op0(String value) {
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86 // return value;
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87 // }
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88 //
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89 // @Specialization(order = 1, rewriteOn = RuntimeException.class)
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90 // public boolean op1(@SuppressWarnings("unused") boolean value) throws RuntimeException {
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91 // throw new RuntimeException();
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92 // }
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93 //
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94 // @Specialization(order = 2)
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95 // public boolean op2(boolean value) {
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96 // return value;
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97 // }
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98 //
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99 // }
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100 //
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101 // @Test
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102 // public void testImplicitCast1() {
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103 // ImplicitCast0Node node = ImplicitCast0NodeFactory.create(null);
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104 // TestRootNode<ImplicitCast0Node> root = new TestRootNode<>(node);
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105 // Assert.assertEquals("2", root.getNode().executeEvaluated(null, "2"));
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106 // Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1));
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107 // Assert.assertEquals("1", root.getNode().executeEvaluated(null, "1"));
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108 // Assert.assertEquals(true, root.getNode().executeEvaluated(null, 1));
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109 // Assert.assertEquals(true, root.getNode().executeEvaluated(null, true));
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110 // }
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111
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112 // TODO assert implicit casts only in one direction
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113
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114 // test example that covers the most cases
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115
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116 }