| Bram Moolenaar | 8424a62 | 2006-04-19 21:23:36 +0000 | [diff] [blame^] | 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 Apr. 19
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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
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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
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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\]"
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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 | syn match luaSpecial contained "\\[\\abfnrtv\'\"[\]]\|\\\d\{,3}"
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| 95 | syn region luaString start=+'+ end=+'+ skip=+\\\\\|\\'+ contains=luaSpecial
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| 96 | syn region luaString start=+"+ end=+"+ skip=+\\\\\|\\"+ contains=luaSpecial
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| 97 | " Nested strings
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| 98 | if (lua_version == 5 && lua_subversion == 0) || lua_version < 5
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| 99 | syn region luaString2 matchgroup=luaString start=+\[\[+ end=+\]\]+ contains=luaString2
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| 100 | elseif lua_version > 5 || (lua_version == 5 && lua_subversion >= 1)
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| 101 | syn region luaString2 matchgroup=luaString start="\[\z(=*\)\[" end="\]\z1\]"
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| 102 | endif
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| 103 |
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| 104 | " integer number
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| 105 | syn match luaNumber "\<[0-9]\+\>"
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| 106 | " floating point number, with dot, optional exponent
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| 107 | syn match luaFloat "\<[0-9]\+\.[0-9]*\%(e[-+]\=[0-9]\+\)\=\>"
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| 108 | " floating point number, starting with a dot, optional exponent
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| 109 | syn match luaFloat "\.[0-9]\+\%(e[-+]\=[0-9]\+\)\=\>"
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| 110 | " floating point number, without dot, with exponent
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| 111 | syn match luaFloat "\<[0-9]\+e[-+]\=[0-9]\+\>"
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| 112 |
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| 113 | " tables
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| 114 | syn region luaTableBlock transparent matchgroup=luaTable start="{" end="}" contains=ALLBUT,luaTodo,luaSpecial,luaCond,luaCondElseif,luaCondEnd,luaCondStart,luaBlock,luaRepeatBlock,luaRepeat,luaStatement
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| 115 |
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| 116 | syn keyword luaFunc assert collectgarbage dofile error gcinfo next
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| 117 | syn keyword luaFunc print rawget rawset tonumber tostring type _VERSION
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| 118 |
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| 119 | if lua_version == 4
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| 120 | syn keyword luaFunc _ALERT _ERRORMESSAGE
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| 121 | syn keyword luaFunc call copytagmethods dostring
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| 122 | syn keyword luaFunc foreach foreachi getglobal getn
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| 123 | syn keyword luaFunc gettagmethod globals newtag
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| 124 | syn keyword luaFunc setglobal settag settagmethod sort
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| 125 | syn keyword luaFunc tag tinsert tremove
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| 126 | syn keyword luaFunc _INPUT _OUTPUT _STDIN _STDOUT _STDERR
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| 127 | syn keyword luaFunc openfile closefile flush seek
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| 128 | syn keyword luaFunc setlocale execute remove rename tmpname
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| 129 | syn keyword luaFunc getenv date clock exit
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| 130 | syn keyword luaFunc readfrom writeto appendto read write
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| 131 | syn keyword luaFunc PI abs sin cos tan asin
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| 132 | syn keyword luaFunc acos atan atan2 ceil floor
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| 133 | syn keyword luaFunc mod frexp ldexp sqrt min max log
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| 134 | syn keyword luaFunc log10 exp deg rad random
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| 135 | syn keyword luaFunc randomseed strlen strsub strlower strupper
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| 136 | syn keyword luaFunc strchar strrep ascii strbyte
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| 137 | syn keyword luaFunc format strfind gsub
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| 138 | syn keyword luaFunc getinfo getlocal setlocal setcallhook setlinehook
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| 139 | elseif lua_version == 5
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| 140 | " Not sure if all these functions need to be highlighted...
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| 141 | syn keyword luaFunc _G getfenv getmetatable ipairs loadfile
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| 142 | syn keyword luaFunc loadstring pairs pcall rawequal
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| 143 | syn keyword luaFunc require setfenv setmetatable unpack xpcall
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| 144 | if lua_subversion == 0
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| 145 | syn keyword luaFunc loadlib LUA_PATH _LOADED _REQUIREDNAME
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| 146 | elseif lua_subversion == 1
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| 147 | syn keyword luaFunc load module select
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| 148 | syn match luaFunc /package\.cpath/
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| 149 | syn match luaFunc /package\.loaded/
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| 150 | syn match luaFunc /package\.loadlib/
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| 151 | syn match luaFunc /package\.path/
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| 152 | syn match luaFunc /package\.preload/
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| 153 | syn match luaFunc /package\.seeall/
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| 154 | syn match luaFunc /coroutine\.running/
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| 155 | endif
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| 156 | syn match luaFunc /coroutine\.create/
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| 157 | syn match luaFunc /coroutine\.resume/
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| 158 | syn match luaFunc /coroutine\.status/
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| 159 | syn match luaFunc /coroutine\.wrap/
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| 160 | syn match luaFunc /coroutine\.yield/
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| 161 | syn match luaFunc /string\.byte/
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| 162 | syn match luaFunc /string\.char/
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| 163 | syn match luaFunc /string\.dump/
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| 164 | syn match luaFunc /string\.find/
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| 165 | syn match luaFunc /string\.len/
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| 166 | syn match luaFunc /string\.lower/
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| 167 | syn match luaFunc /string\.rep/
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| 168 | syn match luaFunc /string\.sub/
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| 169 | syn match luaFunc /string\.upper/
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| 170 | syn match luaFunc /string\.format/
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| 171 | syn match luaFunc /string\.gsub/
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| 172 | if lua_subversion == 0
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| 173 | syn match luaFunc /string\.gfind/
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| 174 | elseif lua_subversion == 1
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| 175 | syn match luaFunc /string\.gmatch/
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| 176 | syn match luaFunc /string\.match/
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| 177 | syn match luaFunc /string\.reverse/
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| 178 | syn match luaFunc /table\.maxn/
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| 179 | endif
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| 180 | syn match luaFunc /table\.concat/
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| 181 | syn match luaFunc /table\.foreach/
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| 182 | syn match luaFunc /table\.foreachi/
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| 183 | syn match luaFunc /table\.getn/
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| 184 | syn match luaFunc /table\.sort/
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| 185 | syn match luaFunc /table\.insert/
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| 186 | syn match luaFunc /table\.remove/
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| 187 | syn match luaFunc /table\.setn/
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| 188 | syn match luaFunc /math\.abs/
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| 189 | syn match luaFunc /math\.acos/
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| 190 | syn match luaFunc /math\.asin/
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| 191 | syn match luaFunc /math\.atan/
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| 192 | syn match luaFunc /math\.atan2/
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| 193 | syn match luaFunc /math\.ceil/
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| 194 | syn match luaFunc /math\.sin/
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| 195 | syn match luaFunc /math\.cos/
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| 196 | syn match luaFunc /math\.tan/
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| 197 | syn match luaFunc /math\.deg/
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| 198 | syn match luaFunc /math\.exp/
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| 199 | syn match luaFunc /math\.floor/
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| 200 | syn match luaFunc /math\.log/
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| 201 | syn match luaFunc /math\.log10/
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| 202 | syn match luaFunc /math\.max/
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| 203 | syn match luaFunc /math\.min/
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| 204 | if lua_subversion == 0
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| 205 | syn match luaFunc /math\.mod/
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| 206 | elseif lua_subversion == 1
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| 207 | syn match luaFunc /math\.fmod/
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| 208 | syn match luaFunc /math\.modf/
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| 209 | syn match luaFunc /math\.cosh/
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| 210 | syn match luaFunc /math\.sinh/
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| 211 | syn match luaFunc /math\.tanh/
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| 212 | endif
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| 213 | syn match luaFunc /math\.pow/
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| 214 | syn match luaFunc /math\.rad/
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| 215 | syn match luaFunc /math\.sqrt/
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| 216 | syn match luaFunc /math\.frexp/
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| 217 | syn match luaFunc /math\.ldexp/
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| 218 | syn match luaFunc /math\.random/
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| 219 | syn match luaFunc /math\.randomseed/
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| 220 | syn match luaFunc /math\.pi/
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| 221 | syn match luaFunc /io\.stdin/
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| 222 | syn match luaFunc /io\.stdout/
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| 223 | syn match luaFunc /io\.stderr/
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| 224 | syn match luaFunc /io\.close/
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| 225 | syn match luaFunc /io\.flush/
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| 226 | syn match luaFunc /io\.input/
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| 227 | syn match luaFunc /io\.lines/
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| 228 | syn match luaFunc /io\.open/
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| 229 | syn match luaFunc /io\.output/
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| 230 | syn match luaFunc /io\.popen/
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| 231 | syn match luaFunc /io\.read/
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| 232 | syn match luaFunc /io\.tmpfile/
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| 233 | syn match luaFunc /io\.type/
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| 234 | syn match luaFunc /io\.write/
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| 235 | syn match luaFunc /os\.clock/
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| 236 | syn match luaFunc /os\.date/
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| 237 | syn match luaFunc /os\.difftime/
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| 238 | syn match luaFunc /os\.execute/
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| 239 | syn match luaFunc /os\.exit/
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| 240 | syn match luaFunc /os\.getenv/
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| 241 | syn match luaFunc /os\.remove/
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| 242 | syn match luaFunc /os\.rename/
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| 243 | syn match luaFunc /os\.setlocale/
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| 244 | syn match luaFunc /os\.time/
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| 245 | syn match luaFunc /os\.tmpname/
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| 246 | syn match luaFunc /debug\.debug/
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| 247 | syn match luaFunc /debug\.gethook/
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| 248 | syn match luaFunc /debug\.getinfo/
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| 249 | syn match luaFunc /debug\.getlocal/
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| 250 | syn match luaFunc /debug\.getupvalue/
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| 251 | syn match luaFunc /debug\.setlocal/
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| 252 | syn match luaFunc /debug\.setupvalue/
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| 253 | syn match luaFunc /debug\.sethook/
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| 254 | syn match luaFunc /debug\.traceback/
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| 255 | if lua_subversion == 1
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| 256 | syn match luaFunc /debug\.getfenv/
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| 257 | syn match luaFunc /debug\.getmetatable/
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| 258 | syn match luaFunc /debug\.getregistry/
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| 259 | syn match luaFunc /debug\.setfenv/
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| 260 | syn match luaFunc /debug\.setmetatable/
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| 261 | endif
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| 262 | endif
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| 263 |
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| 264 | " Define the default highlighting.
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| 265 | " For version 5.7 and earlier: only when not done already
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| 266 | " For version 5.8 and later: only when an item doesn't have highlighting yet
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| 267 | if version >= 508 || !exists("did_lua_syntax_inits")
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| 268 | if version < 508
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| 269 | let did_lua_syntax_inits = 1
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| 270 | command -nargs=+ HiLink hi link <args>
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| 271 | else
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| 272 | command -nargs=+ HiLink hi def link <args>
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| 273 | endif
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| 274 |
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| 275 | HiLink luaStatement Statement
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| 276 | HiLink luaRepeat Repeat
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| 277 | HiLink luaString String
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| 278 | HiLink luaString2 String
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| 279 | HiLink luaNumber Number
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| 280 | HiLink luaFloat Float
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| 281 | HiLink luaOperator Operator
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| 282 | HiLink luaConstant Constant
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| 283 | HiLink luaCond Conditional
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| 284 | HiLink luaFunction Function
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| 285 | HiLink luaComment Comment
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| 286 | HiLink luaTodo Todo
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| 287 | HiLink luaTable Structure
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| 288 | HiLink luaError Error
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| 289 | HiLink luaSpecial SpecialChar
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| 290 | HiLink luaFunc Identifier
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| 291 |
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| 292 | delcommand HiLink
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| 293 | endif
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| 294 |
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| 295 | let b:current_syntax = "lua"
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| 296 |
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| 297 | " vim: et ts=8
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