mirror of
https://github.com/sheerun/vim-polyglot.git
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Add lua
This commit is contained in:
Adam Stankiewicz
216
syntax/lua.vim
Normal file
216
syntax/lua.vim
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@@ -0,0 +1,216 @@
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if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'lua') == -1
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" Vim syntax file
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" Language: Lua
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" URL: https://github.com/tbastos/vim-lua
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if !exists("main_syntax")
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if version < 600
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syntax clear
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elseif exists("b:current_syntax")
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finish
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endif
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let main_syntax = 'lua'
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endif
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syntax sync fromstart
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" Clusters
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syntax cluster luaBase contains=luaComment,luaCommentLong,luaConstant,luaNumber,luaString,luaStringLong,luaBuiltIn
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syntax cluster luaExpr contains=@luaBase,luaTable,luaParen,luaBracket,luaSpecialTable,luaSpecialValue,luaOperator,luaEllipsis,luaComma,luaFunc,luaFuncCall,luaError
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syntax cluster luaStat contains=@luaExpr,luaIfThen,luaBlock,luaLoop,luaGoto,luaLabel,luaLocal,luaStatement,luaSemiCol
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syntax match luaNoise /\%(\.\|,\|:\|\;\)/
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" Symbols
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syntax region luaTable transparent matchgroup=luaBraces start="{" end="}" contains=@luaExpr fold
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syntax region luaParen transparent matchgroup=luaParens start='(' end=')' contains=@luaExpr
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syntax region luaBracket transparent matchgroup=luaBrackets start="\[" end="\]" contains=@luaExpr
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syntax match luaComma ","
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syntax match luaSemiCol ";"
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syntax match luaOperator "[#<>=~^&|*/%+-]\|\.\."
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syntax match luaEllipsis "\.\.\."
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" Catch errors caused by unbalanced brackets and keywords
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syntax match luaError ")"
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syntax match luaError "}"
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syntax match luaError "\]"
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syntax match luaError "\<\%(end\|else\|elseif\|then\|until\)\>"
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" Shebang at the start
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syntax match luaComment "\%^#!.*"
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" Comments
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syntax keyword luaCommentTodo contained TODO FIXME XXX TBD
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syntax match luaComment "--.*$" contains=luaCommentTodo,luaDocTag,@Spell
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syntax region luaCommentLong matchgroup=luaCommentLongTag start="--\[\z(=*\)\[" end="\]\z1\]" contains=luaCommentTodo,luaDocTag,@Spell fold
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syntax match luaDocTag contained "\s@\k\+"
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" Function calls
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syntax match luaFuncCall /\k\+\%(\s*[{('"]\)\@=/
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" Functions
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syntax region luaFunc transparent matchgroup=luaFuncKeyword start="\<function\>" end="\<end\>" contains=@luaStat,luaFuncSig fold
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syntax region luaFuncSig contained transparent start="\(\<function\>\)\@<=" end=")" contains=luaFuncId,luaFuncArgs keepend
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syntax match luaFuncId contained "[^(]*(\@=" contains=luaFuncTable,luaFuncName
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syntax match luaFuncTable contained /\k\+\%(\s*[.:]\)\@=/
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syntax match luaFuncName contained "[^(.:]*(\@="
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syntax region luaFuncArgs contained transparent matchgroup=luaFuncParens start=/(/ end=/)/ contains=@luaBase,luaFuncArgName,luaFuncArgComma,luaEllipsis
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syntax match luaFuncArgName contained /\k\+/
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syntax match luaFuncArgComma contained /,/
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" if ... then
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syntax region luaIfThen transparent matchgroup=luaCond start="\<if\>" end="\<then\>"me=e-4 contains=@luaExpr nextgroup=luaThenEnd skipwhite skipempty
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" then ... end
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syntax region luaThenEnd contained transparent matchgroup=luaCond start="\<then\>" end="\<end\>" contains=@luaStat,luaElseifThen,luaElse fold
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" elseif ... then
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syntax region luaElseifThen contained transparent matchgroup=luaCond start="\<elseif\>" end="\<then\>" contains=@luaExpr
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" else
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syntax keyword luaElse contained else
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" do ... end
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syntax region luaBlock transparent matchgroup=luaRepeat start="\<do\>" end="\<end\>" contains=@luaStat fold
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" repeat ... until
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syntax region luaLoop transparent matchgroup=luaRepeat start="\<repeat\>" end="\<until\>" contains=@luaStat nextgroup=@luaExpr fold
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" while ... do
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syntax region luaLoop transparent matchgroup=luaRepeat start="\<while\>" end="\<do\>"me=e-2 contains=@luaExpr nextgroup=luaBlock skipwhite skipempty fold
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" for ... do and for ... in ... do
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syntax region luaLoop transparent matchgroup=luaRepeat start="\<for\>" end="\<do\>"me=e-2 contains=@luaExpr,luaIn nextgroup=luaBlock skipwhite skipempty
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syntax keyword luaIn contained in
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" goto and labels
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syntax keyword luaGoto goto nextgroup=luaGotoLabel skipwhite
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syntax match luaGotoLabel "\k\+" contained
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syntax match luaLabel "::\k\+::"
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" Other Keywords
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syntax keyword luaConstant nil true false
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syntax keyword luaBuiltIn _ENV self
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syntax keyword luaLocal local
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syntax keyword luaOperator and or not
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syntax keyword luaStatement break return
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" Strings
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syntax match luaStringSpecial contained #\\[\\abfnrtvz'"]\|\\x[[:xdigit:]]\{2}\|\\[[:digit:]]\{,3}#
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syntax region luaStringLong matchgroup=luaStringLongTag start="\[\z(=*\)\[" end="\]\z1\]" contains=@Spell
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syntax region luaString start=+'+ end=+'+ skip=+\\\\\|\\'+ contains=luaStringSpecial,@Spell
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syntax region luaString start=+"+ end=+"+ skip=+\\\\\|\\"+ contains=luaStringSpecial,@Spell
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" Decimal constant
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syntax match luaNumber "\<\d\+\>"
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" Hex constant
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syntax match luaNumber "\<0[xX][[:xdigit:].]\+\%([pP][-+]\=\d\+\)\=\>"
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" Floating point constant, with dot, optional exponent
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syntax match luaFloat "\<\d\+\.\d*\%([eE][-+]\=\d\+\)\=\>"
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" Floating point constant, starting with a dot, optional exponent
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syntax match luaFloat "\.\d\+\%([eE][-+]\=\d\+\)\=\>"
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" Floating point constant, without dot, with exponent
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syntax match luaFloat "\<\d\+[eE][-+]\=\d\+\>"
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" Special names from the Standard Library
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syntax keyword luaSpecialTable
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\ bit32
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\ coroutine
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\ debug
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\ io
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\ math
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\ os
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\ package
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\ string
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\ table
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\ utf8
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syntax keyword luaSpecialValue
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\ _G
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\ _VERSION
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\ assert
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\ collectgarbage
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\ dofile
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\ error
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\ getfenv
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\ getmetatable
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\ ipairs
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\ load
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\ loadfile
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\ loadstring
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\ module
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\ next
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\ pairs
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\ pcall
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\ print
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\ rawequal
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\ rawget
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\ rawlen
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\ rawset
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\ require
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\ select
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\ setfenv
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\ setmetatable
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\ tonumber
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\ tostring
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\ type
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\ unpack
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\ xpcall
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" Define the default highlighting.
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" For version 5.7 and earlier: only when not done already
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" For version 5.8 and later: only when an item doesn't have highlighting yet
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if version >= 508 || !exists("did_lua_syn_inits")
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if version < 508
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let did_lua_syn_inits = 1
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command -nargs=+ HiLink hi link <args>
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else
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command -nargs=+ HiLink hi def link <args>
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endif
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HiLink luaParens Noise
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HiLink luaBraces Structure
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HiLink luaBrackets Noise
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HiLink luaBuiltIn Special
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HiLink luaComment Comment
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HiLink luaCommentLong luaComment
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HiLink luaCommentTodo Todo
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HiLink luaCond Conditional
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HiLink luaConstant Boolean
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HiLink luaDocTag Underlined
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HiLink luaEllipsis StorageClass
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HiLink luaElse Conditional
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HiLink luaError Error
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HiLink luaFloat Float
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HiLink luaFuncTable Function
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HiLink luaFuncArgName Noise
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HiLink luaFuncCall PreProc
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HiLink luaFuncId Function
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HiLink luaFuncKeyword Type
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HiLink luaFuncName Function
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HiLink luaFuncParens Noise
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HiLink luaGoto luaStatement
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HiLink luaGotoLabel Noise
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HiLink luaIn Repeat
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HiLink luaLabel Label
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HiLink luaLocal Type
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HiLink luaNumber Number
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HiLink luaOperator Operator
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HiLink luaRepeat Repeat
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HiLink luaSemiCol Delimiter
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HiLink luaSpecialTable Special
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HiLink luaSpecialValue PreProc
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HiLink luaStatement Statement
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HiLink luaString String
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HiLink luaStringLong luaString
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HiLink luaStringSpecial SpecialChar
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delcommand HiLink
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end
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let b:current_syntax = "lua"
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if main_syntax == 'lua'
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unlet main_syntax
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endif
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endif
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