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112 lines
3.5 KiB
VimL
112 lines
3.5 KiB
VimL
" Vim syntax file
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" Language: R (GNU S)
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" Maintainer: Vaidotas Zemlys <zemlys@gmail.com>
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" Last Change: 2006 Apr 30
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" Filenames: *.R *.Rout *.r *.Rhistory *.Rt *.Rout.save *.Rout.fail
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" URL: http://uosis.mif.vu.lt/~zemlys/vim-syntax/r.vim
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" First maintainer Tom Payne <tom@tompayne.org>
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" Modified to make syntax less colourful and added the highlighting of
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" R assignment arrow
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" For version 5.x: Clear all syntax items
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" For version 6.x: Quit when a syntax file was already loaded
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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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if version >= 600
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setlocal iskeyword=@,48-57,_,.
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else
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set iskeyword=@,48-57,_,.
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endif
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syn case match
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" Comment
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syn match rComment /\#.*/
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" Constant
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" string enclosed in double quotes
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syn region rString start=/"/ skip=/\\\\\|\\"/ end=/"/
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" string enclosed in single quotes
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syn region rString start=/'/ skip=/\\\\\|\\'/ end=/'/
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" number with no fractional part or exponent
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syn match rNumber /\d\+/
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" floating point number with integer and fractional parts and optional exponent
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syn match rFloat /\d\+\.\d*\([Ee][-+]\=\d\+\)\=/
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" floating point number with no integer part and optional exponent
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syn match rFloat /\.\d\+\([Ee][-+]\=\d\+\)\=/
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" floating point number with no fractional part and optional exponent
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syn match rFloat /\d\+[Ee][-+]\=\d\+/
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" Identifier
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" identifier with leading letter and optional following keyword characters
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syn match rIdentifier /\a\k*/
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" identifier with leading period, one or more digits, and at least one non-digit keyword character
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syn match rIdentifier /\.\d*\K\k*/
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" Statement
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syn keyword rStatement break next return
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syn keyword rConditional if else
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syn keyword rRepeat for in repeat while
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" Constant
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syn keyword rConstant LETTERS letters month.ab month.name pi
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syn keyword rConstant NULL
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syn keyword rBoolean FALSE TRUE
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syn keyword rNumber NA
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syn match rArrow /<\{1,2}-/
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" Type
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syn keyword rType array category character complex double function integer list logical matrix numeric vector data.frame
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" Special
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syn match rDelimiter /[,;:]/
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" Error
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syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError
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syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError
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syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError
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syn match rError /[)\]}]/
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syn match rBraceError /[)}]/ contained
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syn match rCurlyError /[)\]]/ contained
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syn match rParenError /[\]}]/ contained
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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_r_syn_inits")
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if version < 508
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let did_r_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 rComment Comment
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HiLink rConstant Constant
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HiLink rString String
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HiLink rNumber Number
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HiLink rBoolean Boolean
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HiLink rFloat Float
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HiLink rStatement Statement
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HiLink rConditional Conditional
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HiLink rRepeat Repeat
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HiLink rIdentifier Normal
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HiLink rArrow Statement
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HiLink rType Type
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HiLink rDelimiter Delimiter
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HiLink rError Error
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HiLink rBraceError Error
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HiLink rCurlyError Error
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HiLink rParenError Error
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delcommand HiLink
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endif
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let b:current_syntax="r"
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" vim: ts=8 sw=2
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