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1 /*
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2 * Copyright (c) 2013 Oracle and/or its affiliates. All rights reserved. This
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3 * code is released under a tri EPL/GPL/LGPL license. You can use it,
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4 * redistribute it and/or modify it under the terms of the:
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5 *
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6 * Eclipse Public License version 1.0
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7 * GNU General Public License version 2
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8 * GNU Lesser General Public License version 2.1
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9 */
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10 package com.oracle.truffle.ruby.nodes.core;
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11
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12 import com.oracle.truffle.api.*;
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13 import com.oracle.truffle.api.dsl.*;
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14 import com.oracle.truffle.ruby.runtime.*;
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15 import com.oracle.truffle.ruby.runtime.core.*;
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16
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17 @CoreClass(name = "TrueClass")
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18 public abstract class TrueClassNodes {
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19
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20 @CoreMethod(names = "!", needsSelf = false, maxArgs = 0)
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21 public abstract static class NotNode extends CoreMethodNode {
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22
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23 public NotNode(RubyContext context, SourceSection sourceSection) {
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24 super(context, sourceSection);
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25 }
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26
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27 public NotNode(NotNode prev) {
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28 super(prev);
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29 }
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30
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31 @Specialization
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32 public boolean not() {
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33 return false;
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34 }
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35
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36 }
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37
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38 @CoreMethod(names = {"==", "===", "=~"}, needsSelf = false, minArgs = 1, maxArgs = 1)
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39 public abstract static class EqualNode extends CoreMethodNode {
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40
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41 public EqualNode(RubyContext context, SourceSection sourceSection) {
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42 super(context, sourceSection);
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43 }
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44
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45 public EqualNode(EqualNode prev) {
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46 super(prev);
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47 }
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48
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49 @Specialization
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50 public boolean equal(boolean other) {
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51 return other;
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52 }
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53
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54 @Specialization
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55 public boolean equal(Object other) {
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56 return other instanceof Boolean && ((boolean) other);
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57 }
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58
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59 }
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60
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61 @CoreMethod(names = "^", needsSelf = false, minArgs = 1, maxArgs = 1)
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62 public abstract static class XorNode extends CoreMethodNode {
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63
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64 public XorNode(RubyContext context, SourceSection sourceSection) {
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65 super(context, sourceSection);
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66 }
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67
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68 public XorNode(XorNode prev) {
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69 super(prev);
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70 }
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71
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72 @Specialization
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73 public boolean xor(boolean other) {
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74 return true ^ other;
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75 }
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76
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77 }
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78
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79 @CoreMethod(names = "to_s", needsSelf = false, maxArgs = 0)
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80 public abstract static class ToSNode extends CoreMethodNode {
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81
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82 public ToSNode(RubyContext context, SourceSection sourceSection) {
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83 super(context, sourceSection);
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84 }
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85
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86 public ToSNode(ToSNode prev) {
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87 super(prev);
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88 }
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89
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90 @Specialization
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91 public RubyString toS() {
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92 return getContext().makeString("true");
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93 }
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94
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95 }
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96
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97 }
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