1 | namespace HeuristicLab.Problems.ProgramSynthesis.Push.Expressions {
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2 | using System;
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3 | using System.Collections.Generic;
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4 | using Attributes;
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5 |
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6 | using HeuristicLab.Persistence.Default.CompositeSerializers.Storable;
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7 | using HeuristicLab.Problems.ProgramSynthesis.Push.Extensions;
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8 |
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9 | using Interpreter;
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10 | using Stack;
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11 |
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12 | /// <summary>
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13 | /// Pushes a copy of an indexed item "deep" in the stack onto the top of the stack, without removing the deep item.
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14 | /// The index is taken from the INTEGER stack, and the indexing is done after the index is removed.
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15 | /// </summary>
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16 | /// <typeparam name="T">Stacktype</typeparam>
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17 | [StorableClass]
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18 | public abstract class YankDuplicateExpression<T> : StatelessExpression {
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19 | protected YankDuplicateExpression() { }
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20 | [StorableConstructor]
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21 | protected YankDuplicateExpression(bool deserializing) : base(deserializing) { }
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22 |
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23 | protected bool IsNoop(IPushStack<T> stack, IPushStack<long> integerStack) {
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24 | return (stack == integerStack && integerStack.Count < 3) ||
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25 | (stack != integerStack && (integerStack.IsEmpty || stack.Count < 2));
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26 | }
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27 |
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28 | protected void Eval(IPushStack<T> stack, IPushStack<long> integerStack) {
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29 | var index = integerStack.Pop().AsInt(stack.Count);
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30 | stack.Push(stack[index]);
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31 | }
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32 | }
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33 |
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34 | [StorableClass]
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35 | [PushExpression(StackTypes.Integer, "INTEGER.YANKDUP")]
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36 | public class IntegerYankDuplicateExpression : YankDuplicateExpression<long> {
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37 | public IntegerYankDuplicateExpression() { }
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38 | [StorableConstructor]
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39 | protected IntegerYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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40 |
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41 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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42 | return IsNoop(interpreter.IntegerStack, interpreter.IntegerStack);
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43 | }
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44 |
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45 | public override void Eval(IInternalPushInterpreter interpreter) {
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46 | Eval(interpreter.IntegerStack, interpreter.IntegerStack);
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47 | }
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48 | }
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49 |
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50 | [StorableClass]
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51 | [PushExpression(StackTypes.Float, "FLOAT.YANKDUP", StackTypes.Integer)]
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52 | public class FloatYankDuplicateExpression : YankDuplicateExpression<double> {
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53 | public FloatYankDuplicateExpression() { }
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54 | [StorableConstructor]
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55 | protected FloatYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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56 |
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57 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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58 | return IsNoop(interpreter.FloatStack, interpreter.IntegerStack);
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59 | }
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60 |
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61 | public override void Eval(IInternalPushInterpreter interpreter) {
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62 | Eval(interpreter.FloatStack, interpreter.IntegerStack);
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63 | }
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64 | }
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65 |
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66 | [StorableClass]
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67 | [PushExpression(StackTypes.Boolean, "BOOLEAN.YANKDUP", StackTypes.Integer)]
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68 | public class BooleanYankDuplicateExpression : YankDuplicateExpression<bool> {
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69 | public BooleanYankDuplicateExpression() { }
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70 | [StorableConstructor]
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71 | protected BooleanYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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72 |
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73 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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74 | return IsNoop(interpreter.BooleanStack, interpreter.IntegerStack);
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75 | }
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76 |
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77 | public override void Eval(IInternalPushInterpreter interpreter) {
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78 | Eval(interpreter.BooleanStack, interpreter.IntegerStack);
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79 | }
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80 | }
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81 |
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82 | [StorableClass]
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83 | [PushExpression(StackTypes.Name, "NAME.YANKDUP", StackTypes.Integer)]
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84 | public class NameYankDuplicateExpression : YankDuplicateExpression<string> {
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85 | public NameYankDuplicateExpression() { }
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86 | [StorableConstructor]
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87 | protected NameYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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88 |
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89 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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90 | return IsNoop(interpreter.NameStack, interpreter.IntegerStack);
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91 | }
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92 |
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93 | public override void Eval(IInternalPushInterpreter interpreter) {
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94 | Eval(interpreter.NameStack, interpreter.IntegerStack);
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95 | }
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96 | }
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97 |
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98 | [StorableClass]
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99 | [PushExpression(StackTypes.Exec, "EXEC.YANKDUP", StackTypes.Integer, execIn: 0)]
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100 | public class ExecYankDuplicateExpression : YankDuplicateExpression<Expression> {
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101 | public ExecYankDuplicateExpression() { }
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102 | [StorableConstructor]
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103 | protected ExecYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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104 |
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105 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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106 | return IsNoop(interpreter.ExecStack, interpreter.IntegerStack);
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107 | }
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108 |
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109 | public override void Eval(IInternalPushInterpreter interpreter) {
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110 | Eval(interpreter.ExecStack, interpreter.IntegerStack);
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111 | }
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112 | }
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113 |
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114 | [StorableClass]
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115 | [PushExpression(StackTypes.Code, "CODE.YANKDUP", StackTypes.Integer)]
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116 | public class CodeYankDuplicateExpression : YankDuplicateExpression<Expression> {
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117 | public CodeYankDuplicateExpression() { }
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118 | [StorableConstructor]
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119 | protected CodeYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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120 |
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121 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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122 | return IsNoop(interpreter.CodeStack, interpreter.IntegerStack);
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123 | }
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124 |
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125 | public override void Eval(IInternalPushInterpreter interpreter) {
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126 | Eval(interpreter.CodeStack, interpreter.IntegerStack);
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127 | }
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128 | }
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129 |
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130 | [StorableClass]
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131 | [PushExpression(StackTypes.Char, "CHAR.YANKDUP", StackTypes.Integer)]
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132 | public class CharYankDuplicateExpression : YankDuplicateExpression<char> {
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133 | public CharYankDuplicateExpression() { }
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134 | [StorableConstructor]
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135 | protected CharYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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136 |
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137 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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138 | return IsNoop(interpreter.CharStack, interpreter.IntegerStack);
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139 | }
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140 |
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141 | public override void Eval(IInternalPushInterpreter interpreter) {
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142 | Eval(interpreter.CharStack, interpreter.IntegerStack);
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143 | }
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144 | }
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145 |
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146 | [StorableClass]
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147 | [PushExpression(StackTypes.String, "STRING.YANKDUP", StackTypes.Integer)]
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148 | public class StringYankDuplicateExpression : YankDuplicateExpression<string> {
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149 | public StringYankDuplicateExpression() { }
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150 | [StorableConstructor]
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151 | protected StringYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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152 |
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153 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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154 | return IsNoop(interpreter.StringStack, interpreter.IntegerStack);
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155 | }
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156 |
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157 | public override void Eval(IInternalPushInterpreter interpreter) {
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158 | Eval(interpreter.StringStack, interpreter.IntegerStack);
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159 | }
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160 | }
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161 |
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162 | [StorableClass]
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163 | [PushExpression(StackTypes.IntegerVector, "INTEGER[].YANKDUP", StackTypes.Integer)]
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164 | public class IntegerVectorYankDuplicateExpression : YankDuplicateExpression<IReadOnlyList<long>> {
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165 | public IntegerVectorYankDuplicateExpression() { }
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166 | [StorableConstructor]
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167 | protected IntegerVectorYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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168 |
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169 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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170 | return IsNoop(interpreter.IntegerVectorStack, interpreter.IntegerStack);
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171 | }
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172 |
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173 | public override void Eval(IInternalPushInterpreter interpreter) {
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174 | Eval(interpreter.IntegerVectorStack, interpreter.IntegerStack);
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175 | }
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176 | }
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177 |
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178 | [StorableClass]
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179 | [PushExpression(StackTypes.FloatVector, "FLOAT[].YANKDUP", StackTypes.Integer)]
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180 | public class FloatVectorYankDuplicateExpression : YankDuplicateExpression<IReadOnlyList<double>> {
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181 | public FloatVectorYankDuplicateExpression() { }
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182 | [StorableConstructor]
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183 | protected FloatVectorYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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184 |
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185 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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186 | return IsNoop(interpreter.FloatVectorStack, interpreter.IntegerStack);
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187 | }
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188 |
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189 | public override void Eval(IInternalPushInterpreter interpreter) {
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190 | Eval(interpreter.FloatVectorStack, interpreter.IntegerStack);
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191 | }
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192 | }
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193 |
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194 | [StorableClass]
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195 | [PushExpression(StackTypes.BooleanVector, "BOOLEAN[].YANKDUP", StackTypes.Integer)]
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196 | public class BooleanVectorYankDuplicateExpression : YankDuplicateExpression<IReadOnlyList<bool>> {
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197 | public BooleanVectorYankDuplicateExpression() { }
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198 | [StorableConstructor]
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199 | protected BooleanVectorYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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200 |
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201 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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202 | return IsNoop(interpreter.BooleanVectorStack, interpreter.IntegerStack);
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203 | }
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204 |
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205 | public override void Eval(IInternalPushInterpreter interpreter) {
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206 | Eval(interpreter.BooleanVectorStack, interpreter.IntegerStack);
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207 | }
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208 | }
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209 |
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210 | [StorableClass]
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211 | [PushExpression(StackTypes.StringVector, "STRING[].YANKDUP", StackTypes.Integer)]
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212 | public class StringVectorYankDuplicateExpression : YankDuplicateExpression<IReadOnlyList<string>> {
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213 | public StringVectorYankDuplicateExpression() { }
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214 | [StorableConstructor]
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215 | protected StringVectorYankDuplicateExpression(bool deserializing) : base(deserializing) { }
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216 |
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217 | public override bool IsNoop(IInternalPushInterpreter interpreter) {
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218 | return IsNoop(interpreter.StringVectorStack, interpreter.IntegerStack);
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219 | }
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220 |
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221 | public override void Eval(IInternalPushInterpreter interpreter) {
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222 | Eval(interpreter.StringVectorStack, interpreter.IntegerStack);
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223 | }
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224 | }
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225 | } |
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