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1 " Vim syntax file
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2 " Language: Lua 4.0, Lua 5.0 and Lua 5.1
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3 " Maintainer: Marcus Aurelius Farias <marcus.cf 'at' bol com br>
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4 " First Author: Carlos Augusto Teixeira Mendes <cmendes 'at' inf puc-rio br>
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5 " Last Change: 2006 Aug 10
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6 " Options: lua_version = 4 or 5
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7 " lua_subversion = 0 (4.0, 5.0) or 1 (5.1)
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8 " default 5.1
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9
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10 " For version 5.x: Clear all syntax items
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11 " For version 6.x: Quit when a syntax file was already loaded
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12 if version < 600
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13 syntax clear
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14 elseif exists("b:current_syntax")
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15 finish
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16 endif
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17
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18 if !exists("lua_version")
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19 " Default is lua 5.1
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20 let lua_version = 5
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21 let lua_subversion = 1
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22 elseif !exists("lua_subversion")
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23 " lua_version exists, but lua_subversion doesn't. So, set it to 0
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24 let lua_subversion = 0
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25 endif
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26
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27 syn case match
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28
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29 " syncing method
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30 syn sync minlines=100
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31
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32 " Comments
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33 syn keyword luaTodo contained TODO FIXME XXX
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34 syn match luaComment "--.*$" contains=luaTodo,@Spell
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35 if lua_version == 5 && lua_subversion == 0
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36 syn region luaComment matchgroup=luaComment start="--\[\[" end="\]\]" contains=luaTodo,luaInnerComment,@Spell
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37 syn region luaInnerComment contained transparent start="\[\[" end="\]\]"
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38 elseif lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
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39 " Comments in Lua 5.1: --[[ ... ]], [=[ ... ]=], [===[ ... ]===], etc.
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40 syn region luaComment matchgroup=luaComment start="--\[\z(=*\)\[" end="\]\z1\]" contains=luaTodo,@Spell
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41 endif
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42
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43 " First line may start with #!
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44 syn match luaComment "\%^#!.*"
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45
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46 " catch errors caused by wrong parenthesis and wrong curly brackets or
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47 " keywords placed outside their respective blocks
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48
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49 syn region luaParen transparent start='(' end=')' contains=ALLBUT,luaError,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaCondStart,luaBlock,luaRepeatBlock,luaRepeat,luaStatement
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50 syn match luaError ")"
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51 syn match luaError "}"
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52 syn match luaError "\<\%(end\|else\|elseif\|then\|until\|in\)\>"
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53
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54 " Function declaration
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55 syn region luaFunctionBlock transparent matchgroup=luaFunction start="\<function\>" end="\<end\>" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat
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56
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57 " if then else elseif end
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58 syn keyword luaCond contained else
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59
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60 " then ... end
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61 syn region luaCondEnd contained transparent matchgroup=luaCond start="\<then\>" end="\<end\>" contains=ALLBUT,luaTodo,luaSpecial,luaRepeat
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62
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63 " elseif ... then
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64 syn region luaCondElseif contained transparent matchgroup=luaCond start="\<elseif\>" end="\<then\>" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat
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65
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66 " if ... then
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67 syn region luaCondStart transparent matchgroup=luaCond start="\<if\>" end="\<then\>"me=e-4 contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat nextgroup=luaCondEnd skipwhite skipempty
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68
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69 " do ... end
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70 syn region luaBlock transparent matchgroup=luaStatement start="\<do\>" end="\<end\>" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat
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71
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72 " repeat ... until
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73 syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<repeat\>" end="\<until\>" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat
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74
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75 " while ... do
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76 syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<while\>" end="\<do\>"me=e-2 contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaRepeat nextgroup=luaBlock skipwhite skipempty
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77
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78 " for ... do and for ... in ... do
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79 syn region luaRepeatBlock transparent matchgroup=luaRepeat start="\<for\>" end="\<do\>"me=e-2 contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd nextgroup=luaBlock skipwhite skipempty
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80
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81 " Following 'else' example. This is another item to those
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82 " contains=ALLBUT,... because only the 'for' luaRepeatBlock contains it.
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83 syn keyword luaRepeat contained in
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84
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85 " other keywords
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86 syn keyword luaStatement return local break
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87 syn keyword luaOperator and or not
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88 syn keyword luaConstant nil
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89 if lua_version > 4
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90 syn keyword luaConstant true false
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91 endif
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92
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93 " Strings
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94 if lua_version < 5
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95 syn match luaSpecial contained "\\[\\abfnrtv\'\"]\|\\\d\{,3}"
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96 elseif lua_version == 5 && lua_subversion == 0
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97 syn match luaSpecial contained "\\[\\abfnrtv\'\"[\]]\|\\\d\{,3}"
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98 syn region luaString2 matchgroup=luaString start=+\[\[+ end=+\]\]+ contains=luaString2,@Spell
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99 elseif lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
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100 syn match luaSpecial contained "\\[\\abfnrtv\'\"]\|\\\d\{,3}"
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101 syn region luaString2 matchgroup=luaString start="\[\z(=*\)\[" end="\]\z1\]" contains=@Spell
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102 endif
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103 syn region luaString start=+'+ end=+'+ skip=+\\\\\|\\'+ contains=luaSpecial,@Spell
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104 syn region luaString start=+"+ end=+"+ skip=+\\\\\|\\"+ contains=luaSpecial,@Spell
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105
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106 " integer number
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107 syn match luaNumber "\<\d\+\>"
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108 " floating point number, with dot, optional exponent
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109 syn match luaFloat "\<\d\+\.\d*\%(e[-+]\=\d\+\)\=\>"
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110 " floating point number, starting with a dot, optional exponent
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111 syn match luaFloat "\.\d\+\%(e[-+]\=\d\+\)\=\>"
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112 " floating point number, without dot, with exponent
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113 syn match luaFloat "\<\d\+e[-+]\=\d\+\>"
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114
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115 " hex numbers
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116 if lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
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117 syn match luaNumber "\<0x\x\+\>"
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118 endif
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119
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120 " tables
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121 syn region luaTableBlock transparent matchgroup=luaTable start="{" end="}" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaCondStart,luaBlock,luaRepeatBlock,luaRepeat,luaStatement
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122
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123 syn keyword luaFunc assert collectgarbage dofile error next
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124 syn keyword luaFunc print rawget rawset tonumber tostring type _VERSION
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125
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126 if lua_version == 4
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127 syn keyword luaFunc _ALERT _ERRORMESSAGE gcinfo
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128 syn keyword luaFunc call copytagmethods dostring
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129 syn keyword luaFunc foreach foreachi getglobal getn
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130 syn keyword luaFunc gettagmethod globals newtag
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131 syn keyword luaFunc setglobal settag settagmethod sort
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132 syn keyword luaFunc tag tinsert tremove
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133 syn keyword luaFunc _INPUT _OUTPUT _STDIN _STDOUT _STDERR
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134 syn keyword luaFunc openfile closefile flush seek
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135 syn keyword luaFunc setlocale execute remove rename tmpname
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136 syn keyword luaFunc getenv date clock exit
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137 syn keyword luaFunc readfrom writeto appendto read write
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138 syn keyword luaFunc PI abs sin cos tan asin
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139 syn keyword luaFunc acos atan atan2 ceil floor
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140 syn keyword luaFunc mod frexp ldexp sqrt min max log
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141 syn keyword luaFunc log10 exp deg rad random
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142 syn keyword luaFunc randomseed strlen strsub strlower strupper
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143 syn keyword luaFunc strchar strrep ascii strbyte
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144 syn keyword luaFunc format strfind gsub
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145 syn keyword luaFunc getinfo getlocal setlocal setcallhook setlinehook
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146 elseif lua_version == 5
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147 " Not sure if all these functions need to be highlighted...
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148 syn keyword luaFunc _G getfenv getmetatable ipairs loadfile
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149 syn keyword luaFunc loadstring pairs pcall rawequal
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150 syn keyword luaFunc require setfenv setmetatable unpack xpcall
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151 if lua_subversion == 0
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152 syn keyword luaFunc gcinfo loadlib LUA_PATH _LOADED _REQUIREDNAME
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153 elseif lua_subversion == 1
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154 syn keyword luaFunc load module select
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155 syn match luaFunc /package\.cpath/
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156 syn match luaFunc /package\.loaded/
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157 syn match luaFunc /package\.loadlib/
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158 syn match luaFunc /package\.path/
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159 syn match luaFunc /package\.preload/
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160 syn match luaFunc /package\.seeall/
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161 syn match luaFunc /coroutine\.running/
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162 endif
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163 syn match luaFunc /coroutine\.create/
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164 syn match luaFunc /coroutine\.resume/
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165 syn match luaFunc /coroutine\.status/
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166 syn match luaFunc /coroutine\.wrap/
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167 syn match luaFunc /coroutine\.yield/
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168 syn match luaFunc /string\.byte/
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169 syn match luaFunc /string\.char/
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170 syn match luaFunc /string\.dump/
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171 syn match luaFunc /string\.find/
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172 syn match luaFunc /string\.len/
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173 syn match luaFunc /string\.lower/
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174 syn match luaFunc /string\.rep/
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175 syn match luaFunc /string\.sub/
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176 syn match luaFunc /string\.upper/
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177 syn match luaFunc /string\.format/
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178 syn match luaFunc /string\.gsub/
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179 if lua_subversion == 0
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180 syn match luaFunc /string\.gfind/
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181 syn match luaFunc /table\.getn/
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182 syn match luaFunc /table\.setn/
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183 syn match luaFunc /table\.foreach/
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184 syn match luaFunc /table\.foreachi/
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185 elseif lua_subversion == 1
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186 syn match luaFunc /string\.gmatch/
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187 syn match luaFunc /string\.match/
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188 syn match luaFunc /string\.reverse/
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189 syn match luaFunc /table\.maxn/
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190 endif
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191 syn match luaFunc /table\.concat/
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192 syn match luaFunc /table\.sort/
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193 syn match luaFunc /table\.insert/
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194 syn match luaFunc /table\.remove/
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195 syn match luaFunc /math\.abs/
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196 syn match luaFunc /math\.acos/
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197 syn match luaFunc /math\.asin/
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198 syn match luaFunc /math\.atan/
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199 syn match luaFunc /math\.atan2/
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200 syn match luaFunc /math\.ceil/
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201 syn match luaFunc /math\.sin/
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202 syn match luaFunc /math\.cos/
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203 syn match luaFunc /math\.tan/
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204 syn match luaFunc /math\.deg/
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205 syn match luaFunc /math\.exp/
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206 syn match luaFunc /math\.floor/
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207 syn match luaFunc /math\.log/
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208 syn match luaFunc /math\.log10/
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209 syn match luaFunc /math\.max/
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210 syn match luaFunc /math\.min/
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211 if lua_subversion == 0
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212 syn match luaFunc /math\.mod/
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213 elseif lua_subversion == 1
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214 syn match luaFunc /math\.fmod/
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215 syn match luaFunc /math\.modf/
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216 syn match luaFunc /math\.cosh/
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217 syn match luaFunc /math\.sinh/
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218 syn match luaFunc /math\.tanh/
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219 endif
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220 syn match luaFunc /math\.pow/
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221 syn match luaFunc /math\.rad/
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222 syn match luaFunc /math\.sqrt/
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223 syn match luaFunc /math\.frexp/
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224 syn match luaFunc /math\.ldexp/
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225 syn match luaFunc /math\.random/
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226 syn match luaFunc /math\.randomseed/
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227 syn match luaFunc /math\.pi/
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228 syn match luaFunc /io\.stdin/
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229 syn match luaFunc /io\.stdout/
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230 syn match luaFunc /io\.stderr/
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231 syn match luaFunc /io\.close/
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232 syn match luaFunc /io\.flush/
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233 syn match luaFunc /io\.input/
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234 syn match luaFunc /io\.lines/
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235 syn match luaFunc /io\.open/
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236 syn match luaFunc /io\.output/
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237 syn match luaFunc /io\.popen/
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238 syn match luaFunc /io\.read/
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239 syn match luaFunc /io\.tmpfile/
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240 syn match luaFunc /io\.type/
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241 syn match luaFunc /io\.write/
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242 syn match luaFunc /os\.clock/
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243 syn match luaFunc /os\.date/
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244 syn match luaFunc /os\.difftime/
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245 syn match luaFunc /os\.execute/
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246 syn match luaFunc /os\.exit/
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247 syn match luaFunc /os\.getenv/
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248 syn match luaFunc /os\.remove/
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249 syn match luaFunc /os\.rename/
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250 syn match luaFunc /os\.setlocale/
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251 syn match luaFunc /os\.time/
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252 syn match luaFunc /os\.tmpname/
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253 syn match luaFunc /debug\.debug/
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254 syn match luaFunc /debug\.gethook/
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255 syn match luaFunc /debug\.getinfo/
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256 syn match luaFunc /debug\.getlocal/
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257 syn match luaFunc /debug\.getupvalue/
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258 syn match luaFunc /debug\.setlocal/
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259 syn match luaFunc /debug\.setupvalue/
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260 syn match luaFunc /debug\.sethook/
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261 syn match luaFunc /debug\.traceback/
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262 if lua_subversion == 1
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263 syn match luaFunc /debug\.getfenv/
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264 syn match luaFunc /debug\.getmetatable/
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265 syn match luaFunc /debug\.getregistry/
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266 syn match luaFunc /debug\.setfenv/
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267 syn match luaFunc /debug\.setmetatable/
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268 endif
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269 endif
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270
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271 " Define the default highlighting.
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272 " For version 5.7 and earlier: only when not done already
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273 " For version 5.8 and later: only when an item doesn't have highlighting yet
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274 if version >= 508 || !exists("did_lua_syntax_inits")
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275 if version < 508
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276 let did_lua_syntax_inits = 1
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277 command -nargs=+ HiLink hi link <args>
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278 else
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279 command -nargs=+ HiLink hi def link <args>
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280 endif
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281
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282 HiLink luaStatement Statement
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283 HiLink luaRepeat Repeat
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284 HiLink luaString String
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285 HiLink luaString2 String
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286 HiLink luaNumber Number
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287 HiLink luaFloat Float
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288 HiLink luaOperator Operator
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289 HiLink luaConstant Constant
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290 HiLink luaCond Conditional
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291 HiLink luaFunction Function
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292 HiLink luaComment Comment
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293 HiLink luaTodo Todo
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294 HiLink luaTable Structure
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295 HiLink luaError Error
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296 HiLink luaSpecial SpecialChar
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297 HiLink luaFunc Identifier
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298
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299 delcommand HiLink
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300 endif
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301
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302 let b:current_syntax = "lua"
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303
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304 " vim: et ts=8
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