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