1 | using HeuristicLab.Algorithms.PushGP.Interpreter;
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2 | using HeuristicLab.Algorithms.PushGP.Stack;
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3 | using HeuristicLab.Common;
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4 |
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5 | namespace HeuristicLab.Algorithms.PushGP.Expressions
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6 | {
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7 | public abstract class PushExpression<T> : Expression
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8 | {
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9 | protected readonly T value;
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10 |
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11 | public PushExpression(T value) : base(value.ToString(), value.GetHashCode())
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12 | {
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13 | this.value = value;
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14 | }
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15 |
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16 | // copy constructor
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17 | public PushExpression(PushExpression<T> expression, Cloner cloner) : base(expression, cloner)
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18 | {
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19 | this.value = expression.value;
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20 | }
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21 |
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22 | protected void Eval(IStack<T> stack)
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23 | {
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24 | stack.Push(this.value);
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25 | }
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26 |
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27 | public override bool Equals(object obj)
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28 | {
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29 | if (obj == null || !(obj is PushExpression<T>))
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30 | {
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31 | return false;
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32 | }
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33 |
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34 | var other = obj as PushExpression<T>;
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35 |
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36 | return this.value.Equals(value);
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37 | }
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38 | }
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39 |
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40 | public class IntegerPushExpression : PushExpression<long>
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41 | {
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42 | public IntegerPushExpression(long value) : base(value)
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43 | { }
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44 |
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45 | // copy constructor
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46 | public IntegerPushExpression(IntegerPushExpression expression, Cloner cloner) : base(expression, cloner)
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47 | { }
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48 |
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49 | public override void Eval(IInterpreter interpreter)
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50 | {
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51 | this.Eval(interpreter.IntegerStack);
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52 | }
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53 |
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54 | public override IDeepCloneable Clone(Cloner cloner)
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55 | {
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56 | return new IntegerPushExpression(this, cloner);
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57 | }
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58 | }
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59 |
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60 | public class FloatPushExpression : PushExpression<double>
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61 | {
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62 | public FloatPushExpression(double value) : base(value)
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63 | { }
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64 |
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65 | // copy constructor
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66 | public FloatPushExpression(FloatPushExpression expression, Cloner cloner) : base(expression, cloner)
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67 | { }
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68 |
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69 | public override void Eval(IInterpreter interpreter)
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70 | {
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71 | this.Eval(interpreter.FloatStack);
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72 | }
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73 |
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74 | public override IDeepCloneable Clone(Cloner cloner)
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75 | {
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76 | return new FloatPushExpression(this, cloner);
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77 | }
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78 | }
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79 |
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80 | public class BooleanPushExpression : PushExpression<bool>
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81 | {
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82 | public BooleanPushExpression(bool value) : base(value)
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83 | { }
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84 |
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85 | // copy constructor
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86 | public BooleanPushExpression(BooleanPushExpression expression, Cloner cloner) : base(expression, cloner)
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87 | { }
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88 |
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89 | public override void Eval(IInterpreter interpreter)
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90 | {
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91 | this.Eval(interpreter.BooleanStack);
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92 | }
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93 |
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94 | public override IDeepCloneable Clone(Cloner cloner)
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95 | {
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96 | return new BooleanPushExpression(this, cloner);
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97 | }
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98 | }
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99 |
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100 | public class NamePushExpression : PushExpression<string>
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101 | {
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102 | public NamePushExpression(string value) : base(value)
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103 | { }
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104 |
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105 | // copy constructor
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106 | public NamePushExpression(NamePushExpression expression, Cloner cloner) : base(expression, cloner)
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107 | { }
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108 |
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109 | public override void Eval(IInterpreter interpreter)
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110 | {
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111 | this.Eval(interpreter.NameStack);
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112 | }
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113 |
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114 | public override IDeepCloneable Clone(Cloner cloner)
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115 | {
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116 | return new NamePushExpression(this, cloner);
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117 | }
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118 | }
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119 |
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120 | public class ExecPushExpression : PushExpression<Expression>
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121 | {
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122 | public ExecPushExpression(Expression value) : base(value)
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123 | { }
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124 |
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125 | // copy constructor
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126 | public ExecPushExpression(ExecPushExpression expression, Cloner cloner) : base(expression, cloner)
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127 | { }
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128 |
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129 | public override void Eval(IInterpreter interpreter)
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130 | {
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131 | this.Eval(interpreter.ExecStack);
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132 | }
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133 |
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134 | public override IDeepCloneable Clone(Cloner cloner)
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135 | {
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136 | return new ExecPushExpression(this, cloner);
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137 | }
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138 | }
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139 | }
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