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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 java.math.*;
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13 import java.util.*;
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14
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15 import com.oracle.truffle.api.*;
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16 import com.oracle.truffle.api.dsl.*;
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17 import com.oracle.truffle.ruby.runtime.*;
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18 import com.oracle.truffle.ruby.runtime.core.*;
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19 import com.oracle.truffle.ruby.runtime.objects.*;
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20
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21 @CoreClass(name = "BasicObject")
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22 public abstract class BasicObjectNodes {
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23
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24 @CoreMethod(names = "!", needsSelf = false, maxArgs = 0)
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25 public abstract static class NotNode extends CoreMethodNode {
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26
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27 public NotNode(RubyContext context, SourceSection sourceSection) {
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28 super(context, sourceSection);
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29 }
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30
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31 public NotNode(NotNode prev) {
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32 super(prev);
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33 }
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34
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35 @Specialization
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36 public boolean not() {
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37 return false;
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38 }
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39
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40 }
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41
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42 @CoreMethod(names = "==", minArgs = 1, maxArgs = 1)
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43 public abstract static class EqualNode extends CoreMethodNode {
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44
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45 public EqualNode(RubyContext context, SourceSection sourceSection) {
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46 super(context, sourceSection);
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47 }
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48
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49 public EqualNode(EqualNode prev) {
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50 super(prev);
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51 }
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52
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53 @Specialization
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54 public boolean equal(Object a, Object b) {
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55 // TODO(CS) ideally all classes would do this in their own nodes
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56 return a.equals(b);
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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 = "!=", minArgs = 1, maxArgs = 1)
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62 public abstract static class NotEqualNode extends CoreMethodNode {
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63
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64 public NotEqualNode(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 NotEqualNode(NotEqualNode 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 notEqual(Object a, Object b) {
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74 // TODO(CS) ideally all classes would do this in their own nodes
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75 return !a.equals(b);
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76 }
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77
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78 }
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79
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80 @CoreMethod(names = "equal?", minArgs = 1, maxArgs = 1)
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81 public abstract static class ReferenceEqualNode extends CoreMethodNode {
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82
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83 public ReferenceEqualNode(RubyContext context, SourceSection sourceSection) {
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84 super(context, sourceSection);
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85 }
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86
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87 public ReferenceEqualNode(ReferenceEqualNode prev) {
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88 super(prev);
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89 }
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90
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91 @Specialization(order = 1)
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92 public boolean equal(@SuppressWarnings("unused") NilPlaceholder a, @SuppressWarnings("unused") NilPlaceholder b) {
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93 return true;
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94 }
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95
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96 @Specialization(order = 2)
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97 public boolean equal(int a, int b) {
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98 return a == b;
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99 }
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100
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101 @Specialization(order = 3)
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102 public boolean equal(double a, double b) {
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103 return a == b;
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104 }
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105
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106 @Specialization(order = 4)
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107 public boolean equal(BigInteger a, BigInteger b) {
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108 return a.compareTo(b) == 0;
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109 }
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110
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111 @Specialization(order = 5)
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112 public boolean equal(RubyBasicObject a, RubyBasicObject b) {
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113 return a == b;
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114 }
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115 }
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116
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117 @CoreMethod(names = "initialize", needsSelf = false, maxArgs = 0)
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118 public abstract static class InitializeNode extends CoreMethodNode {
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119
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120 public InitializeNode(RubyContext context, SourceSection sourceSection) {
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121 super(context, sourceSection);
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122 }
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123
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124 public InitializeNode(InitializeNode prev) {
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125 super(prev);
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126 }
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127
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128 @Specialization
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129 public NilPlaceholder initiailze() {
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130 return NilPlaceholder.INSTANCE;
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131 }
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132
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133 }
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134
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135 @CoreMethod(names = {"send", "__send__"}, needsSelf = true, needsBlock = true, minArgs = 1, isSplatted = true)
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136 public abstract static class SendNode extends CoreMethodNode {
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137
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138 public SendNode(RubyContext context, SourceSection sourceSection) {
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139 super(context, sourceSection);
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140 }
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141
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142 public SendNode(SendNode prev) {
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143 super(prev);
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144 }
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145
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146 @Specialization
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147 public Object send(RubyBasicObject self, Object[] args, @SuppressWarnings("unused") UndefinedPlaceholder block) {
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148 final String name = args[0].toString();
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149 final Object[] sendArgs = Arrays.copyOfRange(args, 1, args.length);
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150 return self.send(name, null, sendArgs);
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151 }
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152
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153 @Specialization
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154 public Object send(RubyBasicObject self, Object[] args, RubyProc block) {
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155 final String name = args[0].toString();
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156 final Object[] sendArgs = Arrays.copyOfRange(args, 1, args.length);
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157 return self.send(name, block, sendArgs);
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158 }
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159
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160 }
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161
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162 }
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