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Initial implementation of Dictionary
author Mike Pavone <pavone@retrodev.com>
date Tue, 27 Jul 2010 23:33:31 -0400
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children 3c4325e6298f
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83
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1
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2 Blueprint Empty Dictionary
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3 {
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4 }
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5
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6 Blueprint Dictionary
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7 {
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8 Left
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9 Right
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10 Straight
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11 Bits(UInt32,Naked)
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12 }
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13
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14 Dictionary[:out]
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15 {
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16 out <- Build[Empty Dictionary()]
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17 }
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18
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19 _Index@Empty Dictionary[dict,index,bits,bitindex:out,not found]
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20 {
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21 not found <- dict
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22 }
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23
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24 Index@Empty Dictionary[dict,index:out,not found]
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25 {
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26 not found <- dict
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27 }
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28
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29 _Terminal Node[val:out]
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30 {
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31 out <- [[[[Build[Dictionary()]
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32 ]Left <<[Dictionary[]]
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33 ]Right <<[Dictionary[]]
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34 ]Straight <<[val]
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35 ]Bits <<[4294967295u32] //Maximum 32-bit unsigned int value
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36 }
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37
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38 _Set New[index,val,bits,bitindex:out]
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39 {
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40 nbitindex <- [bitindex]+[1]
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41 [index]Dict Bits[nbitindex]
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42 { straight <- _Set New[index,val,~,nbitindex] }
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43 { straight <- _Terminal Node[val] }
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44 out <- [[[[Build[Dictionary()]]Left <<[Dictionary[]]]Right <<[Dictionary[]]]Straight <<[straight]]Bits <<[bits]
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45 }
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46
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47 _Set@Empty Dictionary[dict,index,val,bits,bitindex:out]
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48 {
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49 out <- _Set New[index,val,bits,bitindex]
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50 }
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51
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52 Set@Empty Dictionary[dict,index,val:out]
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53 {
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54 out <- _Set New[index,val, Dict Type ID[index], -1]
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55 }
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56
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57 First@Empty Dictionary[dict:first,not found]
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58 {
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59 not found <- dict
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60 }
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61
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62 Next@Empty Dictionary[dict,index:next,not found]
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63 {
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64 not found <- dict
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65 }
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66
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67
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68 Index@Dictionary[dict,index:out,not found]
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69 {
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70 out,not found <- [dict]_Index[index,Dict Type ID[index], -1]
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71 }
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72
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73 _Index@Dictionary[dict,index,bits,bitindex:out,not found]
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74 {
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75 If[[bits]=[[dict]Bits >>]]
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76 {
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77 If[[bits]=[4294967295u32]]
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78 {
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79 out <- Straight >>[dict]
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80 }{
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81 nbitindex <- [bitindex]+[1]
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82 nbits <- [index]Dict Bits[nbitindex] {}
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83 { nbits <- 4294967295u32 }
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84 out,not found <- [[dict]Straight >>]_Index[index,nbits,nbitindex]
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85 }
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86 }{
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87 If[[bits]<[[dict]Bits >>]]
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88 {
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89 go <- Right >>[dict]
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90
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91 }{
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92 go <- Left >>[dict]
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93 }
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94 out,not found <- [go]_Index[index,bits,bitindex]
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95 }
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96 }
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97
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98 Set@Dictionary[dict,index,val:out]
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99 {
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100 out <- [dict]_Set[index,val,Dict Type ID[index], -1]
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101 }
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102
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103 _Set@Dictionary[dict,index,val,bits,bitindex:out]
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104 {
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105 If[[bits]=[[dict]Bits >>]]
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106 {
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107 If[[bits]=[4294967295u32]]
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108 {
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109 out <- [dict]Straight <<[val]
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110 }{
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111 nbitindex <- [bitindex]+[1]
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112 nbits <- [index]Dict Bits[nbitindex] {}
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113 { nbits <- 4294967295u32 }
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114 out <- [dict]Straight <<[[[dict]Straight >>]_Set[index,val,nbits,nbitindex]]
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115 }
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116 }{
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117 If[[bits]<[[dict]Bits >>]]
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118 {
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119 go <- Right >>[dict]
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120 out <- [dict]Right <<[new]
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121
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122 }{
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123 go <- Left >>[dict]
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124 out <- [dict]Left <<[new]
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125 }
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126 new <- [go]_Set[index,val,bits,bitindex]
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127 }
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128 }
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129