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annotate modules/array.tp @ 251:2557ce4e671f

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Fix a couple of compiler bugs. topenv was getting initialized in multiple places. This resulted in multiple copies of modules getting created which caused problems for macro expansion. Additionally, arguments were not being marked as declared during code generation so assigning to an argument that was not closed over generated invalid C code.
author Michael Pavone <pavone@retrodev.com>
date Fri, 11 Apr 2014 22:29:32 -0700
parents fd9005253861
children 56409de95f55
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9811040704ac Add support for llMessage:withVars:andCode and llProperty:withType for specifying low level code without having to stick C inside the compiler. Redo array built-in type to use this feature.
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1 #{
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2 llProperty: size withType: uint32_t
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3 llProperty: storage withType: uint32_t
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4 llProperty: data withType: ((object ptr) ptr)
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5 llMessage: get withVars: {
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6 index <- obj_int32 ptr
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7 } andCode: :index {
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8 if: (index num) >= 0 && (index num) < size {
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9 (self data) get: (index num)
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10 } else: {
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11 false
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12 }
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13 }
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84
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15 llMessage: set withVars: {
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16 index <- obj_int32 ptr
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17 value <- object ptr
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18 } andCode: :index value {
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19 if: (index num) >= 0 && (index num) < size {
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20 data set: (index num) value
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21 }
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22 self
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23 }
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25 llMessage: foreach withVars: {
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26 clos <- lambda ptr
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27 i <- uint32_t
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28 index <- obj_int32 ptr
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29 } andCode: :clos {
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30 i <- 0
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31 while: { i < size } do: {
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32 index <- make_object: (addr_of: obj_int32_meta) NULL 0
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33 index num!: i
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34 ccall: clos 2 index (data get: i)
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35 i <- i + 1
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36 }
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37 self
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38 }
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39
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40 llMessage: append withVars: {
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41 value <- object ptr
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42 tmp <- (object ptr) ptr
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43 } andCode: :value {
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44 if: storage = size {
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45 storage <- storage * 2
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46 tmp <- GC_REALLOC: data storage * (sizeof: (object ptr))
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47 if: (not: tmp) {
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48 fputs: "Failed to increase array size\n" stderr
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49 exit: 1
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50 }
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51 data <- tmp
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52 }
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53 data set: size value
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54 size <- size + 1
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55 self
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56 }
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57
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58 llMessage: resize withVars: {
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59 newsize <- obj_uint32 ptr
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60 tmp <- (object ptr) ptr
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61 } andCode: :newsize {
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62 self storage!: (newsize num)
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63 tmp <- GC_REALLOC: data storage * (sizeof: (object ptr))
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64 if: (not: tmp) {
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65 fputs: "Failed to adjust array size\n" stderr
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66 exit: 1
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67 }
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68 data <- tmp
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69 if: size > storage {
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70 size <- storage
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71 }
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72 self
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73 }
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74
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75 llMessage: length withVars: {
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76 intret <- obj_int32 ptr
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77 } andCode: {
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78 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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79 intret num!: size
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80 intret
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81 }
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82
84
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83 fold:with <- :acc :fun {
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84 foreach: self :idx el {
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85 acc <- fun: acc el
84
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86 }
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87 acc
84
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88 }
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89
84
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90 foldr:with <- :acc :fun {
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91 idx <- length - 1
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92 while: {idx >= 0} do: {
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93 acc <- fun: acc (get: idx)
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94 }
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95 acc
84
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96 }
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98 map <- :fun {
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99 new <- #[]
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100 foreach: self :idx el {
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101 new append: (fun: el)
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102 }
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103 new
84
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104 }
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105
84
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106 find:withDefault <- :pred :default{
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107 idx <- 0
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108 l <- length
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109 ret <- default
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110 while: {idx < l} do: {
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111 v <- get: idx
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112 if: (pred: v) {
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113 ret <- #{
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114 key <- idx
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115 value <- v
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116 }
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117 idx <- l
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118 }
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119 }
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120 ret
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121 }
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122
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123 join <- :sep {
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124 if: length > 0 {
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125 str <- string: (get: 0)
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126 idx <- 1
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127 l <- length
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128 while: { idx < l } do: {
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129 str <- str . sep . (get: idx)
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130 idx <- idx + 1
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131 }
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132 str
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133 } else: {
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134 ""
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135 }
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136 }
84
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137 }