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annotate modules/string.tp @ 263:98147071baf6

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Add support for llMessage definitions in buildMethodTables
author Michael Pavone <pavone@retrodev.com>
date Mon, 14 Jul 2014 09:30:31 -0700
parents 32964a4e7a33
children d6a4c9e7716e
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1 #{
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2 llProperty: len withType: uint32_t
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3 llProperty: bytes withType: uint32_t
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4 llProperty: data withType: (char ptr)
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6 llMessage: length withVars: {
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7 intret <- (obj_int32 ptr)
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8 } andCode: {
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9 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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10 intret num!: len
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11 intret
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12 }
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14 llMessage: byte_length withVars: {
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15 intret <- (obj_int32 ptr)
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16 } andCode: {
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17 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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18 intret num!: bytes
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19 intret
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20 }
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22 llMessage: EQ_ withVars: {
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23 argb <- (string ptr)
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24 } andCode: :argb {
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25 if: len = (argb len) && bytes = (argb bytes) && (not: (memcmp: data (argb data) bytes)) {
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26 true
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27 }
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28 }
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30 llMessage: compareSub withVars: {
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31 argb <- string ptr
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32 myoff <- obj_int32 ptr
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33 boff <- obj_int32 ptr
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34 clen <- obj_int32 ptr
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35 intret <- obj_int32 ptr
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36 } andCode: :argb myoff boff clen {
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37 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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38 intret num!: (memcmp: data + (myoff num) (argb data) + (boff num) (clen num))
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39 intret
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40 }
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42 llMessage: NEQ_ withVars: {
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43 argb <- (string ptr)
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44 } andCode: :argb {
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45 if: len != (argb len) || bytes != (argb bytes) || (memcmp: data (argb data) bytes) {
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46 true
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47 }
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48 }
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50 llMessage: print withVars: {} andCode: {
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51 fwrite: data 1 bytes stdout
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52 self
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53 }
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55 llMessage: string withVars: {} andCode: {
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56 self
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57 }
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59 llMessage: CAT_ withVars: {
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60 argbo <- (object ptr)
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61 argb <- (string ptr)
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62 out <- (string ptr)
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63 } andCode: :argbo {
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64 argb <- mcall: string 1 argbo
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65 out <- make_object: (addr_of: string_meta) NULL 0
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66 out bytes!: bytes + (argb bytes)
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67 out len!: len + (argb len)
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68 out data!: (GC_MALLOC_ATOMIC: (out bytes) + 1)
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69 memcpy: (out data) data bytes
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70 memcpy: (out data) + bytes (argb data) (argb bytes) + 1
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71 out
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72 }
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74 llMessage: byte withVars: {
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75 index <- (obj_int32 ptr)
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76 intret <- (obj_int32 ptr)
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77 } andCode: :index {
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78 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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79 intret num!: (if: (index num) < bytes { data get: (index num) } else: {0})
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80 intret
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81 }
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83 llMessage: int32 withVars: {
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84 intret <- (obj_int32 ptr)
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85 } andCode: {
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86 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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87 intret num!: (atoi: data)
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88 intret
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89 }
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91 parseHex32 <- {
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92 num <- 0u32
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93 cur <- 0
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94 a <- uint32: ("a" byte: 0)
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95 A <- uint32: ("A" byte: 0)
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96 f <- uint32: ("f" byte: 0)
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97 F <- uint32: ("F" byte: 0)
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98 zero <- "0" byte: 0
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99 nine <- "9" byte: 0
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100 while: { cur < byte_length} do: {
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101 b <- uint32: (byte: cur)
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102 cur <- cur + 1
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103 if: b >= zero && b <= nine {
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104 num <- num * 16 + (b - zero)
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105 } else: {
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106 if: b >= a && b <= f {
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107 num <- num * 16 + (b - a) + 10u32
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108 } else: {
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109 if: b >= A && b <= F {
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110 num <- num * 16 + (b - A) + 10u32
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111 } else: {
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112 cur <- byte_length
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113 }
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114 }
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115 }
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116 }
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117 num
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118 }
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119
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120 parseHex64 <- {
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121 num <- 0u64
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122 cur <- 0
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123 a <- uint64: ("a" byte: 0)
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124 A <- uint64: ("A" byte: 0)
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125 f <- uint64: ("f" byte: 0)
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126 F <- uint64: ("F" byte: 0)
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127 zero <- "0" byte: 0
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128 nine <- "9" byte: 0
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129 while: { cur < byte_length} do: {
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130 b <- uint64: (byte: cur)
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131 cur <- cur + 1
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132 if: b >= zero && b <= nine {
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133 num <- num * 16 + (b - zero)
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134 } else: {
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135 if: b >= a && b <= f {
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136 num <- num * 16 + (b - a) + 10u64
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137 } else: {
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138 if: b >= A && b <= F {
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139 num <- num * 16 + (b - A) + 10u64
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140 } else: {
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141 cur <- byte_length
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142 }
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143 }
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144 }
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145 }
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146 num
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147 }
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148
88
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149 llMessage: hash withVars: {
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150 intret <- (obj_int32 ptr)
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151 i <- uint32_t
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152 } andCode: {
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153 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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154 intret num!: 0
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155 if: bytes {
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156 intret num!: (data get: 0) * 128
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157 i <- 0
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158 while: { i < bytes } do: {
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159 intret num!: (1000003 * (intret num)) xor (data get: i)
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160 i <- i + 1
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161 }
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162 intret num!: (intret num) xor bytes
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163 }
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164 intret
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165 }
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166
154
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167 llMessage: find:startingAt:else withVars: {
150
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168 intret <- obj_int32 ptr
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169 oneedle <- object ptr
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170 startpos <- obj_int32 ptr
150
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171 ifNotFound <- object ptr
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172 sneedle <- string ptr
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173 i <- uint32_t
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174 notFound <- uint32_t
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175 } andCode: :oneedle :startpos :ifNotFound {
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176 sneedle <- mcall: string 1 oneedle
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177 i <- startpos num
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178 notFound <- 1
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179 while: { notFound && i + (sneedle bytes) <= bytes} do: {
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180 if: (memcmp: data + i (sneedle data) (sneedle bytes)) = 0 {
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181 notFound <- 0
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182 } else: {
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183 i <- i + 1
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184 }
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185 }
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186 if: notFound {
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187 ccall: ifNotFound 0
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188 } else: {
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189 intret <- make_object: (addr_of: obj_int32_meta) NULL 0
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190 intret num!: i
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191 intret
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192 }
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193 }
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194
154
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195 find:else <- :toFind :orElse {
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196 find: toFind startingAt: 0 else: orElse
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197 }
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198
151
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199 llMessage: from:withLength withVars: {
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200 from <- obj_int32 ptr
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201 tocopy <- obj_int32 ptr
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202 ret <- string ptr
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203 start <- int32_t
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204 clampedLen <- int32_t
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205 } andCode: :from :tocopy {
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206 start <- from num
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207 if: start < 0 {
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208 start <- bytes + start
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209 }
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210 if: start > bytes {
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211 start <- bytes
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212 }
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213 clampedLen <- tocopy num
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214 if: start + clampedLen > bytes {
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215 clampedLen <- bytes - start
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216 }
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217 ret <- make_object: (addr_of: string_meta) NULL 0
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218 ret data!: (GC_MALLOC_ATOMIC: clampedLen + 1)
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219 memcpy: (ret data) data + start clampedLen
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220 ret len!: clampedLen
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221 ret bytes!: clampedLen
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222 ret
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223 }
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224
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225 from <- :start {
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226 from: start withLength: length
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227 }
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228
152
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229 partitionOn <- :delim {
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230 pos <- find: delim else: { -1 }
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231 if: pos >= 0 {
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232 _before <- from: 0 withLength: pos
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233 _after <- from: (pos + (delim length))
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234 #{
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235 before <- _before
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236 after <- _after
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237 }
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238 } else: {
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239 _before <- self
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240 #{
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241 before <- _before
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242 after <- ""
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243 }
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244 }
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245 }
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246
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247 splitOn <- :delim {
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248 pos <- 0
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249 pieces <- #[]
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250 while: {
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251 pos <- find: delim else: { -1 }
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252 pos >= 0
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253 } do: {
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254 pieces append: (from: 0 withLength: pos)
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255 self <- from: pos + (delim length)
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256 }
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257 pieces append: self
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258 }
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259
259
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260 ltrim <- {
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261 l <- length
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262 start <- 0
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263 space <- " " byte: 0
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264 tab <- "\t" byte: 0
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265 nl <- "\n" byte: 0
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266 cr <- "\r" byte: 0
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267
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268 while: {
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269 if: start < l {
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270 b <- byte: start
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271 b = space || b = tab || b = nl || b = cr
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272 }
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273 } do: {
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274 start <- start + 1
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275 }
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276 from: start
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277 }
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278
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279 trim <- {
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280 l <- length
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281 start <- 0
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282 space <- " " byte: 0
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283 tab <- "\t" byte: 0
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284 nl <- "\n" byte: 0
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285 cr <- "\r" byte: 0
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286
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287 while: {
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288 if: start < l {
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289 b <- byte: start
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290 b = space || b = tab || b = nl || b = cr
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291 }
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292 } do: {
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293 start <- start + 1
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294 }
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295 end <- l
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296 while: {
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297 if: end > 0 {
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298 b <- byte: end
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299 b = space || b = tab || b = nl || b = cr
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300 }
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301 } do: {
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302 end <- end + 1
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303 }
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304 from: start withLength: (end - start)
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305 }
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306
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4c96a393103e Add support for receiving data from a socket
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307 isInteger? <- { false }
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308 isString? <- { true }
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5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
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309 isBasicString? <- { true }
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310 }