1 |
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2 | moment = require 'moment'
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3 | colors = require './colors'
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4 | path = require 'path'
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5 | levels = require './levels'
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6 |
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7 | cwd = process.cwd()
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8 | reg = [
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9 | /\b(file|lineno|stack|stackColored)\b/
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10 | /\b(now|time|date|fulltime|numbertime|mstimestamp|timestamp|moment)\b/
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11 | /\(([^\)\(]+?):(\d+):\d+\)$/]
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12 | stackNames = ['file', 'lineno', 'stack', 'stackColored']
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13 | timeNames = ['now', 'time', 'date', 'fulltime', 'numbertime', 'mstimestamp', 'timestamp']
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14 |
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15 | timeFormats =
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16 | time : 'HH:mm:ss'
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17 | date : 'YYYY-MM-DD'
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18 | fulltime : 'YYYY-MM-DD HH:mm:ss'
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19 | numbertime : 'YYYYMMDDHHmmss'
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20 |
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21 | justlogPath = __dirname + '/log' + path.extname __filename
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22 |
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23 | anonymous = '<anonymous>'
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24 |
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25 | module.exports = pattern =
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26 | |
27 |
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28 |
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29 |
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30 |
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31 |
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32 |
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33 |
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34 |
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35 |
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36 |
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37 |
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 | pre :
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46 | 'simple-nocolor' : '{level} {msg}'
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47 | 'simple-color' : '{color.level level} {msg}'
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48 | 'nocolor' : '{time} [{levelTrim}] ({stack}) {msg}'
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49 | 'color' : '{time} {color.level level} {stackColored} {msg}'
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50 | 'file' : '{fulltime} [{levelTrim}] ({stack}) {msg}'
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51 | 'event-color' : '{time} {color.event event} {args}'
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52 | 'event-nocolor' : '{fulltime} {event} {args}'
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53 | 'accesslog' : '''
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54 | {remote-address} {ident} {user}
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55 | [{now "DD/MMM/YYYY:HH:mm:ss ZZ"}]
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56 | "{method} {url} HTTP/{version}"
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57 | {status} {content-length}
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58 | "{headers.referer}" "{headers.user-agent}"
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59 | '''.replace /\n/g, ' '
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60 | 'accesslog-rt' : '''
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61 | {remote-address} {ident} {user}
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62 | [{now 'DD/MMM/YYYY:HH:mm:ss ZZ'}]
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63 | "{method} {url} HTTP/{version}"
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64 | {status} {content-length}
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65 | "{headers.referer}" "{headers.user-agent}" {rt}
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66 | '''.replace /\n/g, ' '
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67 | 'accesslog-color' : '''
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68 | {remote-address@yellow} {ident} {user}
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69 | [{now 'DD/MMM/YYYY:HH:mm:ss ZZ'}]
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70 | "{color.method method} {url@underline,bold,blue} HTTP/{version}"
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71 | {color.status status} {content-length}
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72 | "{headers.referer@blue}" "{headers.user-agent@cyan}" {rt}
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73 | '''.replace /\n/g, ' '
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74 |
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75 | |
76 |
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77 |
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78 |
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79 |
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80 |
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81 |
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82 |
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83 |
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84 | compile : (pat)->
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85 | code = pattern.pre[pat] ? pat
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86 | code = code.replace /"/g, '\\"'
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87 | useStack = false
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88 | useTime = false
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89 |
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90 | funcs = []
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91 | code = code.replace ///
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92 | \{
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93 | ([a-zA-Z][\-\w]+)
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94 | (?:\.([\w\-]+))?
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95 | (?:\s([^}@]+?))?
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96 | (?:@((?:[a-z_]+,?)+))?
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97 | \}
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98 | ///g, (match, name, key, args, style) ->
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99 | useStack = true if name in stackNames
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100 | useTime = true if name in timeNames
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101 | codes = []
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102 |
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103 |
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104 | code = ''
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105 | styles = style.split ',' if style
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106 | if styles
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107 | code += colors[style] for style in styles
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108 | codes.push '"' + code + '"'
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109 |
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110 |
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111 | code = ''
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112 | if args
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113 | num = funcs.length
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114 | funcs.push [name, key, args.replace(/\\"/g, '"')]
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115 | code = "__func[#{num}]"
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116 | else if name of timeFormats
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117 | code += "__vars.now('#{timeFormats[name]}')"
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118 | else
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119 | code += "__vars['#{name}']#{if key then "['#{key}']" else ''}"
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120 | codes.push '(' + code + '||"-")'
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121 |
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122 |
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123 | codes.push '"' + colors.reset + '"' if styles
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124 | '"+\n' + codes.join('+\n') + '+\n"'
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125 |
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126 |
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127 | code = ('"' + code + '"').replace(/^""\+$/mg, '')
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128 | code = "return #{code.trim()};"
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129 |
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130 |
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131 | funcCode = []
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132 | if funcs.length > 0
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133 | funcCode.push 'var __func = [];with(__vars||{}){'
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134 | for [name, key, args] in funcs
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135 | funcCode.push "__func.push(__vars['#{name}']#{if key then "['#{key}']" else ''}(#{args}));"
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136 | funcCode.push '}'
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137 | code = funcCode.join(";\n")+code
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138 |
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139 |
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140 | func = new Function('__vars', code)
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141 | func.stack = useStack
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142 | func.time = useTime
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143 | func.pattern = pat
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144 | func
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145 |
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146 | |
147 |
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148 |
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149 |
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150 |
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151 |
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152 |
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153 |
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154 | format : (render, msg, level) ->
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155 | msg = '' if msg is null
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156 | msg = msg: msg.toString() if typeof msg isnt 'object'
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157 | msg.color = colors
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158 | msg.level = levels.text[level]
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159 | msg.levelTrim = msg.level.trim()
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160 | if render.time
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161 | msg.now = getFormatedTime
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162 | msg.mstimestamp = moment().valueOf()
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163 | msg.timestamp = Math.floor msg.mstimestamp / 1000
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164 | msg = trackStack msg if render.stack
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165 | render(msg) + "\n"
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166 |
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167 | FORMATED_TIME = {}
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168 |
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169 | getFormatedTime = ( format ) ->
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170 | unless format of FORMATED_TIME
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171 |
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172 | interval = 1000
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173 | timer = ->
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174 | now = moment()
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175 | setTimeout(timer, interval-now.milliseconds())
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176 | FORMATED_TIME[format] = now.format format
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177 | timer()
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178 | FORMATED_TIME[format]
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179 |
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180 | trackStack = (msg) ->
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181 | try
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182 | throw new Error
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183 | catch err
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184 | return stackProcess err, msg
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185 |
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186 | stackProcess = (err, msg) ->
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187 | stacks = err.stack.split "\n"
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188 | flag = false
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189 | for stack in stacks
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190 | if res = stack.match reg[2]
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191 | if res[1] isnt justlogPath and res[1] isnt __filename and res[1] isnt anonymous
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192 | flag = true
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193 | break
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194 | if flag is false
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195 | msg.file = 'NULL'
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196 | msg.lineno = 0
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197 | else
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198 | file = res[1]
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199 | msg.file = if file[0] is '/' then path.relative cwd, file else file
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200 | msg.lineno = res[2]
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201 | msg.stack = "#{msg.file}:#{msg.lineno}"
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202 | msg.stackColored = "#{colors.underline}#{colors.cyan}#{msg.file}:#{colors.yellow}#{msg.lineno}#{colors.reset}"
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203 | msg
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