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annotate modules/parser.tp @ 260:56409de95f55

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Untested implementation of filter for arrays
author Michael Pavone <pavone@retrodev.com>
date Sun, 01 Jun 2014 22:39:25 -0700
parents 004946743678
children 03a07e540b9f
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 {
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2 light:from:withLength <- :_base :_start :_len {
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3 if: (not: (_base isBasicString?)) {
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4 _start <- _start + (_base start)
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5 _base <- _base base
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6 }
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7 _needsflat? <- true
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8 _flat <- false
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9 #{
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10 //TODO: UTF-8 support
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11 length <- { _len }
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12 byte_length <- { _len }
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13 string <- {
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14 if: _needsflat? {
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15 _needsflat? <- false
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16 _flat <- _base from: _start withLength: _len
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17 }
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18 _flat
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19 }
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20 from:withLength <- :s :l {
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21 if: (l + s) > _len {
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22 l <- _len - s
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23 }
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24 _base from: (_start + s) withLength: l
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25 }
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26 from <- :s {
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27 from: s withLength: (_len - s)
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28 }
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29 byte <- :index {
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30 _base byte: (index + _start)
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31 }
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32 = <- :other {
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33 if: (other length) = _len {
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34 ostart <- 0
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35 if: (not: (other isBasicString?)) {
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36 ostart <- other start
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37 other <- other _base
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38 }
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39 res <- _base compareSub: other _start ostart _len
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40 res = 0
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41 }
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42 }
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43 . <- :other {
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44 (string: self) . other
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45 }
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46 int32 <- {
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47 (string: self) int32
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48 }
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49 splitOn <- :delim {
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50 (string: self) splitOn: delim
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51 }
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52 isString? <- { true }
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53 isBasicString? <- { false }
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54 base <- { _base }
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55 start <- { _start }
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56 }
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57 }
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58
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59 light:from <- :base :start {
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60 light: base from: start withLength: (base length) - start
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61 }
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62 _applyMatch <- :fun tomatch {
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63 fun: tomatch
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64 }
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65 _matchString <- :str tomatch {
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66 if: (tomatch isString?) {
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67 if: (tomatch length) < (str length) {
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68 false
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69 } else: {
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70 if: (tomatch length) > (str length) {
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71 tomatch <- tomatch from: 0 withLength: (str length)
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72 }
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73 if: tomatch = str {
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74 #{
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75 if <- :self trueblock {
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76 trueblock:
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77 }
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78 ifnot <- :self falseblock {
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79 self
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80 }
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81 if:else <- :self trueblock :elseblock {
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82 trueblock:
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83 }
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84 matchlen <- { str length }
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85 basicYield? <- { true }
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86 yield <- { str }
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87 }
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88 } else: {
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89 false
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90 }
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91 }
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92 } else: {
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93 false
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94 }
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95 }
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96 _makeMatchCall <- :matchexpr {
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97 if: (matchexpr nodeType) = "lambda" {
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98 #{
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99 valid? <- { true }
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100 matchcall <- quote: (_applyMatch: matchexpr tomatch)
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101 }
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102 } else: {
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103 if: (matchexpr nodeType) = "symbol" {
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104 #{
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105 valid? <- { true }
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106 matchcall <- quote: (matchexpr: tomatch)
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107 }
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108 } else: {
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109 if: (matchexpr nodeType) = "strlit" {
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110 #{
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111 valid? <- { true }
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112 matchcall <- quote: (_matchString: matchexpr tomatch)
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113 }
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114 } else: {
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115 if: (matchexpr nodeType) = "op" {
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116 if: (matchexpr opName) = "." {
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117 left <- (_makeMatchCall: (matchexpr left)) matchcall
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118 right <- (_makeMatchCall: (matchexpr right)) matchcall
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119 #{
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120 valid? <- { true }
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121 matchcall <- quote: (_applyMatch: :tomatch {
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122 lm <- left
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123 if: lm {
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124 orig <- tomatch
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125 tomatch <- light: tomatch from: (lm matchlen)
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126 rm <- right
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127 if: rm {
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128 total <- (rm matchlen) + (lm matchlen)
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129 #{
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130 if <- :self trueblock {
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131 trueblock:
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132 }
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133 ifnot <- :self falseblock {
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134 self
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135 }
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136 if:else <- :self trueblock :elseblock {
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137 trueblock:
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138 }
239
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139 matchlen <- { total }
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140 basicYield? <- { true }
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141 yield <- { orig from: 0 withLength: total }
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142 }
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143 } else: {
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144 rm
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145 }
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146 } else: {
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147 lm
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148 }
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149 } tomatch)
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150 }
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151 } else: {
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152 #{
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153 valid? <- { false }
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154 message <- "Unsupported operator " . (matchexpr opName)
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155 }
212
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156 }
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157 } else: {
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158 #{
239
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159 valid? <- { false }
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160 message <- "Unsupported AST node type " . (matchexpr nodeType)
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161 }
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162 }
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163 }
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164 }
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165 }
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166 }
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167 _nPlus <- :matchexpr min {
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168 funexpr <- false
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169 valid <- false
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170 mc <- _makeMatchCall: matchexpr
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171 if: (mc valid?) {
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172 mcall <- mc matchcall
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173 quote: :tomatch {
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174 cur <- 0
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175 count <- 0
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176 n <- tomatch byte_length
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177 orig <- tomatch
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178 _match <- true
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179 allBasic? <- true
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180 yieldvals <- []
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181 while: { _match && cur < n } do: {
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182 res <- mcall
242
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183 _match <- if: res {
239
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184 count <- count + 1
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185 //TODO: Use some kind of lightweight substring wrapper here
243
5b830147c1cd Use a lightweight substring object in a few places in the parser to improve performance for large files.
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186 tomatch <- light: tomatch from: (res matchlen)
239
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187 if: allBasic? {
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188 ifnot: (res basicYield?) {
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189 allBasic? <- false
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190 if: cur > 0 {
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191 yieldvals <- (orig from: 0 withLength: cur) | yieldvals
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192 }
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193 yieldvals <- (res yield) | yieldvals
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194 }
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195 } else: {
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196 yieldvals <- (res yield) | yieldvals
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197 }
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198 allBasic? <- allBasic? && (res basicYield?)
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199 cur <- cur + (res matchlen)
242
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200 true
239
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201 }
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202 }
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203 if: count >= min {
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204 if: allBasic? {
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205 #{
242
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206 if <- :self trueblock {
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207 trueblock:
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208 }
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209 ifnot <- :self falseblock {
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210 self
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211 }
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212 if:else <- :self trueblock :elseblock {
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213 trueblock:
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214 }
239
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215 matchlen <- { cur }
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216 basicYield? <- { true }
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217 yield <- { orig from: 0 withLength: cur }
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218 }
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219 } else: {
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220 yieldvals <- yieldvals reverse
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221 #{
242
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222 if <- :self trueblock {
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223 trueblock:
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224 }
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225 ifnot <- :self falseblock {
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226 self
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227 }
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228 if:else <- :self trueblock :elseblock {
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229 trueblock:
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230 }
239
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231 matchlen <- { cur }
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232 basicYield? <- { false }
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233 yield <- { yieldvals }
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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234 }
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235 }
239
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236 } else: {
242
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237 false
239
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238 }
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239 }
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240 } else: {
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241 print: "#error Invalid nPlus macro call: " . (mc message) . "\n"
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242 }
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243 }
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244 _expandClass <- :chars {
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245 if: (chars length) > 0 {
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246 pos <- 0
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247 inverted <- false
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248 if: (chars byte: 0) = ("^" byte: 0) {
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249 pos <- 1
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250 inverted <- true
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251 }
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252 state_begin <- 0
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253 state_normal <- 1
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254 state_rangeend <- 2
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255 state <- state_begin
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256 out <- ""
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257 while: { pos < (chars byte_length)} do: {
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258 if: state = state_begin {
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259 out <- out . (chars from: pos withLength: 1)
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260 state <- state_normal
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261 } else: {
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262 if: state = state_normal {
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263 if: (chars byte: pos) = ("-" byte: 0) {
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264 state <- state_rangeend
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265 } else: {
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266 out <- out . (chars from: pos withLength: 1)
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267 }
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268 } else: {
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269 rangestart <- out byte: ((out byte_length) - 1)
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270 rangeend <- chars byte: pos
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271 if: rangeend < rangestart {
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272 tmp <- rangeend
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273 rangeend <- rangestart
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274 rangestart <- tmp
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275 }
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276 out <- out from: 0 withLength: ((out length) - 1)
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277 while: { rangestart <= rangeend } do: {
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278 out <- out . (rangestart asStringChar)
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279 rangestart <- rangestart + 1
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280 }
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281 state <- state_begin
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282 }
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283 }
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284 pos <- pos + 1
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285 }
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286 if: inverted {
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287 old <- out
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288 out <- ""
245
3590ecca6bc9 Fix handling of unescaped tabs in string literals in new parser
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289 cur <- 0
239
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290 while: { cur < 256 } do: {
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291 notfound <- true
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292 idx <- 0
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293 len <- (old length)
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294 while: { notfound && idx < len } do: {
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295 if: cur = (old byte: idx) {
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296 notfound <- false
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297 } else: {
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298 idx <- idx + 1
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299 }
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300 }
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301 if: notfound {
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302 out <- out . (cur asStringChar)
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303 }
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304 cur <- cur + 1
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305 }
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306 }
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307 out
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308 } else: {
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309 ""
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310 }
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311 }
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diff changeset
312 _charClass <- :chars {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
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diff changeset
313 orig <- chars
239
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314 chars <- _expandClass: chars
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315 charmap <- ""
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316 char <- 0
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317 while: { char < 256 } do: {
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318 mchar <- 0
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319 found <- false
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320 while: { mchar < (chars byte_length)} do: {
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321 if: (chars byte: mchar) = char {
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322 found <- true
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323 mchar <- chars byte_length
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324 }
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325 mchar <- mchar + 1
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326 }
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327 charmap <- charmap . (if: found { "t" } else: { "f" })
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328 char <- char + 1
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329 }
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330 t <- "t" byte: 0
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331 quote: :tomatch {
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332 if: (tomatch isString?) {
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333 if: (charmap byte: (tomatch byte: 0)) = t {
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334 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
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335 if <- :self trueblock {
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336 trueblock:
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337 }
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338 ifnot <- :self falseblock {
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339 self
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340 }
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341 if:else <- :self trueblock :elseblock {
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342 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
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343 }
239
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344 matchlen <- { 1 }
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345 basicYield? <- { true }
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346 yield <- { tomatch from: 0 withLength: 1 }
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347 }
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348 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
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349 false
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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350 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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351 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
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352 false
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
353 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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354 }
239
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355 }
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356 #{
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
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diff changeset
357 charClass <- macro: :rawchars {
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358 eval: rawchars :chars {
239
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359 _charClass: chars
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
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360 } else: {
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
361 print: "#error Argument to charClass macro must be a compile-time constant\n"
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
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diff changeset
362 }
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
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parents:
diff changeset
363 }
209
4b3b57f39f10 Implement zeroPlus macro
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diff changeset
364
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
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diff changeset
365 zeroPlus <- macro: :matchexpr {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
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diff changeset
366 _nPlus: matchexpr 0
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
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diff changeset
367 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
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diff changeset
368
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
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diff changeset
369 onePlus <- macro: :matchexpr {
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diff changeset
370 _nPlus: matchexpr 1
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diff changeset
371 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
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diff changeset
372
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
373 matchOne <- macro: :options {
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diff changeset
374 options <- (options value) map: :option {
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diff changeset
375 _makeMatchCall: option
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diff changeset
376 }
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
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diff changeset
377 body <- options foldr: (quote: false) with: :acc el {
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
378 if: (el valid?) {
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diff changeset
379 mcall <- el matchcall
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
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diff changeset
380 quote: (ifnot: mcall { acc })
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
381 } else: {
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
382 print: "#error Invalid matchOne macro call: " . (el message) . "\n"
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
383 acc
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
384 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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parents: 209
diff changeset
385 }
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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parents: 209
diff changeset
386 quote: :tomatch {
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
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diff changeset
387 body
209
4b3b57f39f10 Implement zeroPlus macro
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diff changeset
388 }
4b3b57f39f10 Implement zeroPlus macro
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diff changeset
389 }
4b3b57f39f10 Implement zeroPlus macro
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parents: 208
diff changeset
390
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
391 match <- macro: :matchexpr {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
392 mc <- _makeMatchCall: matchexpr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
393 if: (mc valid?) {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
394 mcall <- mc matchcall
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
395 quote: :tomatch {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
396 mcall
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
397 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
398 } else: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
399 print: "#error Invalid macth macro call: " . (mc message) . "\n"
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
400 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
401 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
402
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
403 match:yield <- macro: :matchexpr :ylambda {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
404 mc <- _makeMatchCall: matchexpr
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
405 if: (mc valid?) {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
406 mcall <- mc matchcall
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
407 quote: :tomatch {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
408 res <- mcall
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
409 if: res {
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
410 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
411 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
412 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
413 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
414 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
415 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
416 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
417 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
418 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
419 }
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
420 matchlen <- { res matchlen }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
421 basicYield? <- { false }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
422 yield <- ylambda
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
423 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
424 } else: {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
425 res
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
426 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
427 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
428 } else: {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
429 print: "#error Invalid macth:yield macro call: " . (mc message) . "\n"
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
430 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
431 }
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
432
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
433 match:where:yield <- macro: :matchexpr :whereclause :ylambda {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
434 syms <- []
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
435 withwhere <- (whereclause expressions) fold: (quote: :tomatch {}) with: :acc el {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
436
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
437 if: (el nodeType) = "assignment" {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
438 valassign <- quote: (val <- false)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
439 valsym <- (valassign) symbol
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
440 valsym <- valsym name!: (valsym name) . ((el symbol) name)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
441 valassign <- valassign symbol!: valsym
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
442 acc addExpression: valassign
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
443
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
444 matchassign <- quote: (hasmatch <- false)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
445 matchsym <- (matchassign) symbol
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
446 matchsym <- matchsym name!: (matchsym name) . ((el symbol) name)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
447 matchassign <- matchassign symbol!: matchsym
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
448 acc addExpression: matchassign
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
449
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
450 mc <- _makeMatchCall: (el expression)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
451
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
452 if: (mc valid?) {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
453 mcall <- mc matchcall
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
454 matchfun <- quote: :tomatch {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
455 if: matchsym {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
456 if: valsym = tomatch {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
457 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
458 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
459 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
460 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
461 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
462 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
463 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
464 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
465 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
466 }
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
467 matchlen <- { valsym length }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
468 basicYield? <- { true } //TODO: Check if this is correct
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
469 yield <- { valsym }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
470 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
471 } else: {
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
472 false
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
473 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
474 } else: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
475 mr <- mcall
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
476 if: mr {
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
477 matchsym <- true
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
478 valsym <- (mr yield)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
479 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
480 mr
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
481 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
482 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
483 acc <- acc addExpression: (el expression!: matchfun)
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
484 syms <- list node: #{
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
485 orig <- el symbol
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
486 matchval <- valsym
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
487 } withTail: syms
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
488 acc
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
489 } else: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
490 print: "#error " . ((el symbol) name) . " does not have a valid match expression: " . (mc message) . "\n"
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
491 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
492
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
493 } else: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
494 print: "#error Nodes of type " . (el nodeType) . " are not allowed in match where clauses\n"
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
495 acc
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
496 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
497 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
498 mcMain <- _makeMatchCall: matchexpr
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
499 if: (mcMain valid?) {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
500 mcall <- mcMain matchcall
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
501 withwhere addExpression: (quote: (matchres <- mcall))
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
502 successLambda <- quote: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
503 //Extra assignments will be added here
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
504 mlen <- matchres matchlen
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
505 #{
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
506 if <- :self trueblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
507 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
508 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
509 ifnot <- :self falseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
510 self
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
511 }
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
512 if:else <- :self trueblock :elseblock {
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
513 trueblock:
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
514 }
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
515 matchlen <- { mlen }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
516 basicYield? <- { false }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
517 yield <- ylambda
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
518 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
519 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
520 sucexp <- syms fold: (successLambda expressions) with: :acc el {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
521 lsym <- el orig
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
522 rsym <- el matchval
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
523 (quote: (lsym <- rsym)) | acc
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
524 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
525 successLambda <- successLambda expressions!: sucexp
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
526 withwhere addExpression: (quote: (if: matchres successLambda else: {
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
527 matchres
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
528 }))
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
529 withwhere
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
530 } else: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
531 print: "#error Error in main match expression of match:where:yield: " . (mcMain message) . "\n"
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
532 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
533 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
534
225
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
535 binaryOps:withHigherPrec <- macro: :oplist :higher {
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
536 quote: (match: Left . Pieces where: {
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
537 Left <- match: higher
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
538 Pieces <- zeroPlus: (match: hws . Op . Right where: {
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
539 Op <- matchOne: oplist
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
540 Right <- match: higher
225
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
541 } yield: {
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
542 #{
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
543 op <- Op
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
544 right <- Right
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
545 }
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
546 })
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
547 } yield: {
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
548 _processOpPieces: Left Pieces
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
549 })
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
550 }
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
551
226
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
552 opexpr <- binaryOps: ["&&" "||"] withHigherPrec: compare
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
553 compare <- binaryOps: ["<=" ">=" "<" ">" "=" "!="] withHigherPrec: maybecons
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
554 maybecons <- matchOne: [
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
555 consop
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
556 addsub
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
557 ]
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
558 consop <- match: Left . hws . "|" . Right where: {
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
559 Left <- match: addsub
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
560 Right <- match: maybecons
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
561 } yield: {
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
562 ast binaryOp: "|" withArgs: Left Right
226
6055f56d0e45 Implement all the binary operators except and/or/xor in grammar
Michael Pavone <pavone@retrodev.com>
parents: 225
diff changeset
563 }
225
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
564 addsub <- binaryOps: ["+" "-" "."] withHigherPrec: muldiv
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
565 muldiv <- binaryOps: ["*" "/" "%"] withHigherPrec: primlitsym
262f5ae1bb1b Added a new binaryOps:withHigherPrec macro to simplify specification of binary operator precedence level rules in the grammar
Michael Pavone <pavone@retrodev.com>
parents: 223
diff changeset
566
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
567
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
568 _alpha <- charClass: "a-zA-Z"
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
569 alpha <- zeroPlus: _alpha
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
570 alphaNum <- zeroPlus: (charClass: "a-zA-Z0-9")
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
571
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
572 blockComment <- match: "/*" . (zeroPlus: (matchOne: [(charClass: "^*") "*" . (charClass: "^/")])) . "*/" yield: { false }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
573
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
574 hws <- zeroPlus: (matchOne: [
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
575 (charClass: " \t")
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
576 blockComment
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
577 ])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
578
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
579 ws <- zeroPlus: (matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
580 (charClass: " \n\t\r")
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
581 "//" . (zeroPlus: (charClass: "^\n")) . "\n"
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
582 blockComment
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
583 ])
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
584
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
585 escape <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
586 (match: "\\n" yield: {"\n"})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
587 (match: "\\r" yield: {"\n"})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
588 (match: "\\t" yield: {"\n"})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
589 (match: "\\\\" yield: {"\\"})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
590 (match: "\\\"" yield: {"\""})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
591 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
592
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
593 string <- match: "\"" . Chars . "\"" where: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
594 Chars <- zeroPlus: (matchOne: [
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
595 match: Reg where: { Reg <- charClass: "^\"\\" } yield: { Reg }
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
596 escape
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
597 ])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
598 } yield: {
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
599 if: (Chars length) = 0 {
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
600 Chars <- []
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
601 }
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
602 ast stringLit: (Chars join: "")
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
603 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
604
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
605 bdigit <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
606 (match: "0" yield: {0i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
607 (match: "1" yield: {1i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
608 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
609
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
610 digit <- matchOne: [
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
611 bdigit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
612 (match: "2" yield: {2i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
613 (match: "3" yield: {3i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
614 (match: "4" yield: {4i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
615 (match: "5" yield: {5i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
616 (match: "6" yield: {6i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
617 (match: "7" yield: {7i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
618 (match: "8" yield: {8i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
619 (match: "9" yield: {9i64})
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
620 ]
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
621
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
622 hdigit <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
623 digit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
624 (match: (charClass: "aA") yield: {10i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
625 (match: (charClass: "bB") yield: {11i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
626 (match: (charClass: "cC") yield: {12i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
627 (match: (charClass: "dD") yield: {13i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
628 (match: (charClass: "eE") yield: {14i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
629 (match: (charClass: "fF") yield: {15i64})
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
630 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
631
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
632 binary <- match: "0b" . Digits . Suffix where: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
633 Digits <- onePlus: bdigit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
634 Suffix <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
635 (charClass: "ui") . (matchOne: ["8" "16" "32" "64"])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
636 ""
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
637 ]
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
638 } yield: {
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
639 num <- Digits fold: 0 with: :acc el {
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
640 acc * 2i64 + el
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
641 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
642 signed <- true
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
643 litbits <- 32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
644 if: (Suffix length) > 0 {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
645 if: (Suffix from: 0 withLength: 1) = "u" {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
646 signed <- false
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
647 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
648 litbits <- (Suffix from: 1) int32
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
649 }
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
650 ast intLit: num withBits: litbits andBase: 2 signed?: signed
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
651 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
652
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
653 decimal <- match: Sign . Digits . Suffix where: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
654 Sign <- matchOne: ["-" ""]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
655 Digits <- onePlus: digit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
656 Suffix <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
657 (charClass: "ui") . (matchOne: ["8" "16" "32" "64"])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
658 ""
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
659 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
660 } yield: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
661 num <- Digits fold: 0 with: :acc el {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
662 acc * 10i64 + el
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
663 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
664 if: Sign = "-" {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
665 num <- 0i64 - num
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
666 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
667 signed <- true
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
668 litbits <- 32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
669 if: (Suffix length) > 0 {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
670 if: (Suffix from: 0 withLength: 1) = "u" {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
671 signed <- false
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
672 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
673 litbits <- (Suffix from: 1) int32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
674 }
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
675 ast intLit: num withBits: litbits andBase: 10 signed?: signed
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
676 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
677
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
678 hexlit <- match: "0x" . Digits . Suffix where: {
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
679 Digits <- onePlus: hdigit
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
680 Suffix <- matchOne: [
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
681 (charClass: "ui") . (matchOne: ["8" "16" "32" "64"])
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
682 ""
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
683 ]
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
684 } yield: {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
685 num <- Digits fold: 0 with: :acc el {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
686 acc * 16i64 + el
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
687 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
688 signed <- true
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
689 litbits <- 32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
690 if: (Suffix length) > 0 {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
691 if: (Suffix from: 0 withLength: 1) = "u" {
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
692 signed <- false
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
693 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
694 litbits <- (Suffix from: 1) int32
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
695 }
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
696 ast intLit: num withBits: litbits andBase: 16 signed?: signed
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
697 }
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
698
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
699 symexpr <- match: Name where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
700 Name <- match: (onePlus: (charClass: "a-zA-Z_@!?")) . (zeroPlus: ((matchOne: [":" ""]) . (charClass: "a-zA-Z_@!?0-9")))
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
701 } yield: {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
702 ast symbol: Name
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
703 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
704
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
705 namepart <- match: hws . Symbol . ":" where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
706 Symbol <- match: symexpr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
707 } yield: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
708 #{
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
709 isNamePart? <- { true }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
710 val <- Symbol name
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
711 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
712 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
713
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
714 argpart <- matchOne: [
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
715 match: namepart
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
716 match: Arg where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
717 Arg <- opexpr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
718 } yield: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
719 #{
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
720 isNamePart? <- { false }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
721 val <- Arg
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
722 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
723 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
724 ]
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
725
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
726 funcall <- match: hws . Initial . Parts where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
727 Initial <- match: namepart
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
728 Parts <- zeroPlus: argpart
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
729 } yield: {
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
730 if: (Parts length) = 0 {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
731 Parts <- []
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
732 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
733 combined <- Initial | Parts foldr: #{
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
734 name <- ""
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
735 args <- []
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
736 } with: :acc el {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
737 nextName <- acc name
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
738 nextArgs <- acc args
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
739 if: (el isNamePart?) {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
740 nextName <- if: ((acc name) length) > 0 { (el val) . ":" . (acc name) } else: { el val }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
741 } else: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
742 nextArgs <- (el val) | nextArgs
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
743 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
744 #{
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
745 name <- nextName
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
746 args <- nextArgs
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
747 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
748 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
749 ast funcall: (ast symbol: (combined name)) withArgs: (combined args) hasReceiver?: false
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
750 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
751
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
752 unarymeth <- match: Receiver . hws . Method where: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
753 Receiver <- match: opexpr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
754 Method <- match: symexpr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
755 } yield: {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
756 ast funcall: Method withArgs: [Receiver] hasReceiver?: true
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
757 }
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
758
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
759 methcall <- match: Receiver . hws . Rest where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
760 Receiver <- match: opexpr
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
761 Rest <- match: funcall
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
762 } yield: {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
763 ast funcall: (Rest tocall) withArgs: Receiver | (Rest args) hasReceiver?: true
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
764 }
223
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
765 _processOpPieces <- :Left Pieces {
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
766 if: (Pieces length) > 0 {
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
767 Pieces fold: Left with: :acc piece {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
768 ast binaryOp: (piece op) withArgs: acc (piece right)
223
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
769 }
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
770 } else: {
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
771 Left
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
772 }
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
773 }
25db1c7c7300 Added addition and multiplication precedence level operators to grammar
Michael Pavone <pavone@retrodev.com>
parents: 222
diff changeset
774
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
775 expr <- match: (hws . Expr . ws) where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
776 Expr <- matchOne: [
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
777 funcall
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
778 methcall
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
779 unarymeth
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
780 assignment
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
781 opexpr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
782 ]
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
783 } yield: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
784 Expr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
785 }
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
786
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
787 lexpr <- match: (hws . Expr . ws) where: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
788 Expr <- matchOne: [
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
789 funcall
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
790 methcall
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
791 opexpr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
792 ]
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
793 } yield: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
794 Expr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
795 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
796
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
797 opsym <- match: Name where: {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
798 Name <- matchOne: ["&&" "||" "<=" ">=" "<" ">" "=" "!=" "=" "-" "." "*" "/" "%" "|"]
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
799 } yield: {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
800 #{
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
801 name <- Name
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
802 string <- {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
803 name
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
804 }
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
805 }
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
806 }
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
807
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
808 assignment <- match: ws . Symbol . hws . "<-" . Expr where: {
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
809 Symbol <- matchOne: [
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
810 symexpr
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
811 opsym
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
812 ]
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
813 Expr <- match: expr
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
814 } yield: {
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
815 ast assign: Expr to: Symbol
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
816 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
817
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
818 object <- match: "#{" . ws . Messages . "}" where: {
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
819 Messages <- zeroPlus: (match: ws . El where: {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
820 El <- matchOne: [
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
821 assignment
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
822 funcall
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
823 ]
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
824 } yield: { El })
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
825 } yield: {
244
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
826 if: (Messages length) = 0 {
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
827 Messages <- []
ae5188be523e Improve compatibility of new parser with the old one
Mike Pavone <pavone@retrodev.com>
parents: 243
diff changeset
828 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
829 ast object: Messages
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
830 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
831
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
832 listlit <- match: "[" . ws . Els . "]" where: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
833 Els <- zeroPlus: lexpr
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
834 } yield: {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
835 //Handle limitation of zeroPlus macro
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
836 if: (Els length) = 0 {
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
837 Els <- []
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
838 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
839 ast seqLit: Els array?: false
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
840 }
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
841
228
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
842 arraylit <- match: "#[" . ws . Els . "]" where: {
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
843 Els <- zeroPlus: lexpr
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
844 } yield: {
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
845 //Handle limitation of zeroPlus macro
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
846 if: (Els length) = 0 {
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
847 Els <- []
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
848 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
849 ast seqLit: Els array?: true
228
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
850 }
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
851
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
852 argname <- match: hws . Pre . Initial . Rest where: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
853 Pre <- matchOne: [":" ""]
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
854 Initial <- onePlus: (charClass: "a-zA-Z_!?@")
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
855 Rest <- zeroPlus: (charClass: "a-zA-Z_!?@0-9")
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
856 } yield: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
857 Pre . Initial . Rest
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
858 }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
859
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
860 lambda <- match: hws . Arglist . hws . "{" . ws . Exprs . "}" where: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
861 Arglist <- matchOne: [
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
862 match: ":" . First . Rest where: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
863 First <- match: symexpr
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
864 Rest <- zeroPlus: argname
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
865 } yield: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
866 if: (Rest length) = 0 {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
867 Rest <- []
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
868 }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
869 ":" . (First name) | Rest
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
870 }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
871 match: "" yield: { [] }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
872 ]
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
873 Exprs <- zeroPlus: expr
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
874 } yield: {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
875 if: (Exprs length) = 0 {
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
876 Exprs <- []
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
877 }
247
b76f683d076e Finish moving ast object definitions to a separate ast module
Michael Pavone <pavone@retrodev.com>
parents: 246
diff changeset
878 ast lambda: Exprs withArgs: Arglist
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
879 }
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
880
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
881 parenexp <- match: "(" . ws . Expr . ws . ")" where: {
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
882 Expr <- match: expr
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
883 } yield: {
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
884 Expr
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
885 }
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
886
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
887 primlitsym <- match: hws . Lit where: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
888 Lit <- matchOne: [
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
889 hexlit
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
890 binary
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
891 decimal
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
892 symexpr
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
893 lambda
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
894 object
227
8c16ef123aee Implement list literals in grammar
Michael Pavone <pavone@retrodev.com>
parents: 226
diff changeset
895 listlit
228
decdf28a8517 Implemented arrays in grammar
Michael Pavone <pavone@retrodev.com>
parents: 227
diff changeset
896 arraylit
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
897 string
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
898 parenexp
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
899 ]
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
900 } yield: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
901 Lit
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
902 }
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
903
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
904 top <- matchOne: [
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
905 object
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
906 lambda
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
907 ]
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
908
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
909 testmatchintlit <- :tomatch matchfun {
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
910 res <- matchfun: tomatch
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
911 if: res {
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
912 y <- res yield
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
913 print: tomatch . " matched with litval " . (y val) . ", bits " . (y bits) . " and singned? " . (y signed?) . "\n"
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
914 } else: {
246
8c81afd6d2d3 Refactor some of the AST node object constructors into a separate AST module
Michael Pavone <pavone@retrodev.com>
parents: 245
diff changeset
915 print: tomatch . " did not match\n"
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
916 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
917 }
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
918
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
919 main <- :args {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
920 cmatch <- alpha: "czx0123"
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
921 zeromatch <- alpha: "01234"
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
922 if: cmatch {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
923 print: "czx0123 matched with length " . (cmatch matchlen) . "\n"
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
924 } else: {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
925 print: "czx0123 didn't match\n"
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
926 }
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
927 if: zeromatch {
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
928 print: "0123 matched with length " . (zeromatch matchlen) . "\n"
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
929 } else: {
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
930 print: "0123 didn't match\n"
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
931 }
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
932 zeromatchanum <- alphaNum: "01234"
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
933 if: zeromatchanum {
209
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
934 print: "01234 matched with length " . (zeromatchanum matchlen) . "\n"
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
935 } else: {
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
936 print: "01234 didn't match\n"
4b3b57f39f10 Implement zeroPlus macro
Michael Pavone <pavone@retrodev.com>
parents: 208
diff changeset
937 }
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
938 stuff <- " \t/* blah blah blah * blah */ foo"
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
939 hwsmatch <- hws: stuff
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
940 if: hwsmatch {
212
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
941 print: "'" . (stuff from: (hwsmatch matchlen)) . "' found after hws\n"
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
942 } else: {
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
943 print: stuff . " did not match hws rule\n"
32080f96c3a0 Implement matchOne matching macro. Support more AST node types in zeroPlus matching macro.
Mike Pavone <pavone@retrodev.com>
parents: 209
diff changeset
944 }
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
945 tmatch <- digit: "3"
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
946 if: tmatch {
213
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
947 print: "3 matched with yield " . (tmatch yield) . ", yield + 1 = " . ((tmatch yield) + 1) . "\n"
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
948 } else: {
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
949 print: "3 did not match\n"
e00a8bc6361b Implement match:yield macro
Mike Pavone <pavone@retrodev.com>
parents: 212
diff changeset
950 }
218
b799192e404b Implemented match:where:yield and fixed a bug in zeroPlus
Michael Pavone <pavone@retrodev.com>
parents: 213
diff changeset
951
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
952 testmatchintlit: "345" :s {decimal: s}
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
953 testmatchintlit: "-567" :s {decimal: s}
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
954 testmatchintlit: "123u16" :s {decimal: s}
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
955 testmatchintlit: "0x20" :s {hexlit: s}
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
956 testmatchintlit: "0x42u64" :s {hexlit: s}
220
a1a80af71b05 Implement onePlus macro. Fix some bugs in the other matching macros. Implement integer literal parsing rules.
Michael Pavone <pavone@retrodev.com>
parents: 218
diff changeset
957 testmatchintlit: "0b10101" :s {binary: s}
230
195f02ba349b Implement lambdas in grammar. Make assignments an expression in grammar.
Michael Pavone <pavone@retrodev.com>
parents: 228
diff changeset
958 code <- "#{ foo <- 123 > 0x42 && 42 < 104\n bar <- 0xABC + 0b1010101\n baz <- 0b1010 * 5\n qux <- fo: 38 shizzle: bam\n quine <- 123 | [4 5 6 fiddle sticks]\n quizzle <- #[receiver meth: arg]\n blah <- :arg arg2 :arg3 { arg + arg2 + arg3 }}"
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
959 if: (args length) > 1 {
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
960 file <- os open: (args get: 1) (os O_RDONLY)
236
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
961 code <- ""
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
962 chunksize <- 1024
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
963 readsize <- chunksize
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
964 while: { readsize = chunksize} do: {
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
965 seg <- os read: file chunksize
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
966 code <- code . seg
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
967 readsize <- seg byte_length
c463a891ccd3 Support reading files larger than 1024 bytes in parser module
Michael Pavone <pavone@retrodev.com>
parents: 235
diff changeset
968 }
231
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
969 }
e48c74a7539e Fix string parsing in grammar and add it to the primlitsym rule. Add parentheses expressions. Allow parsing from a file.
Michael Pavone <pavone@retrodev.com>
parents: 230
diff changeset
970 codem <- top: code
242
0e7982adc76b Make the successful return value from a match expression be truthy and the failure value false. This avoids an extra method call when checking the result and avoids allocating a new object when a match fails.
Mike Pavone <pavone@retrodev.com>
parents: 239
diff changeset
971 if: codem {
222
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
972 print: code . "\nmatched with yield:\n" . (codem yield) . "\n"
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
973 } else: {
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
974 print: code . "\ndid not match\n"
c6e321a538d4 Implemented more of the grammar. Dealt with some name conflicts along the way.
Michael Pavone <pavone@retrodev.com>
parents: 220
diff changeset
975 }
208
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
976 }
a1b4a2bc8d72 Initial work on pattern match macrosfor the new parser
Mike Pavone <pavone@retrodev.com>
parents:
diff changeset
977 }
239
6aab8a5a2be9 Don't expose internal helper functions in parser module
Mike Pavone <pavone@retrodev.com>
parents: 237
diff changeset
978 }