mirror of
https://github.com/vim/vim.git
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138 lines
4.5 KiB
VimL
138 lines
4.5 KiB
VimL
" Vim syntax file
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" Language: R (GNU S)
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" Maintainer: Jakson Aquino <jalvesaq@gmail.com>
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" Former Maintainers: Vaidotas Zemlys <zemlys@gmail.com>
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" Tom Payne <tom@tompayne.org>
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" Last Change: Wed Sep 29, 2010 09:31AM
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" Filenames: *.R *.r *.Rhistory *.Rt
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"
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" NOTE: The highlighting of R functions is defined in the
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" r-plugin/functions.vim, which is part of vim-r-plugin2:
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" http://www.vim.org/scripts/script.php?script_id=2628
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"
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" Some lines of code were borrowed from Zhuojun Chen.
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if exists("b:current_syntax")
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finish
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endif
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setlocal iskeyword=@,48-57,_,.
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syn case match
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" Comment
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syn match rComment contains=@Spell "\#.*"
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" string enclosed in double quotes
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syn region rString contains=rSpecial,rStrError,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/
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" string enclosed in single quotes
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syn region rString contains=rSpecial,rStrError,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/
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syn match rStrError display contained "\\."
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" New line, carriage return, tab, backspace, bell, feed, vertical tab, backslash
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syn match rSpecial display contained "\\\(n\|r\|t\|b\|a\|f\|v\|'\|\"\)\|\\\\"
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" Hexadecimal and Octal digits
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syn match rSpecial display contained "\\\(x\x\{1,2}\|[0-8]\{1,3}\)"
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" Unicode characters
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syn match rSpecial display contained "\\u\x\{1,4}"
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syn match rSpecial display contained "\\U\x\{1,8}"
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syn match rSpecial display contained "\\u{\x\{1,4}}"
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syn match rSpecial display contained "\\U{\x\{1,8}}"
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syn match rDollar "\$"
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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 (not really)
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syn keyword rConstant T F LETTERS letters month.ab month.name pi
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syn keyword rConstant R.version.string
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" Constant
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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 NA_integer_ NA_real_ NA_complex_ NA_character_
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syn keyword rNumber Inf NaN
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" integer
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syn match rInteger "\<\d\+L"
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syn match rInteger "\<0x\([0-9]\|[a-f]\|[A-F]\)\+L"
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syn match rInteger "\<\d\+[Ee]+\=\d\+L"
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syn match rOperator "[\*\!\&\+\-\<\>\=\^\|\~\`/:@]"
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syn match rOperator "%\{2}\|%\*%\|%\/%\|%in%\|%o%\|%x%"
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syn match rComplex "\<\d\+i"
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syn match rComplex "\<0x\([0-9]\|[a-f]\|[A-F]\)\+i"
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syn match rComplex "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\=i"
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syn match rComplex "\<\.\d\+\([Ee][-+]\=\d\+\)\=i"
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syn match rComplex "\<\d\+[Ee][-+]\=\d\+i"
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" number with no fractional part or exponent
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syn match rNumber "\<\d\+\>"
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" hexadecimal number
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syn match rNumber "\<0x\([0-9]\|[a-f]\|[A-F]\)\+"
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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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syn match rArrow "<\{1,2}-"
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syn match rArrow "->\{1,2}"
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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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" Functions that may add new objects
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syn keyword rPreProc library require attach detach source
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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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" Define the default highlighting.
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hi def link rArrow Statement
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hi def link rBoolean Boolean
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hi def link rBraceError Error
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hi def link rComment Comment
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hi def link rComplex Number
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hi def link rConditional Conditional
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hi def link rConstant Constant
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hi def link rCurlyError Error
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hi def link rDelimiter Delimiter
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hi def link rDollar SpecialChar
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hi def link rError Error
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hi def link rFloat Float
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hi def link rInteger Number
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hi def link rNumber Number
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hi def link rOperator Operator
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hi def link rParenError Error
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hi def link rPreProc PreProc
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hi def link rRepeat Repeat
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hi def link rSpecial SpecialChar
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hi def link rStatement Statement
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hi def link rString String
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hi def link rStrError Error
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hi def link rType Type
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let b:current_syntax="r"
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" vim: ts=8 sw=2
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