mirror of
https://github.com/neovim/neovim.git
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bd30ae53cb
indent/r.vim : change shiftwidth to 2 and minor bug fixes. indent/rhelp.vim : move the position of the test if the script was already sourced indent/rmd.vim : minor bug fix indent/rnoweb.vim : minor bug fix syntax/r.vim : minor bug fixes and improvement (distinguish = from ==)
237 lines
7.8 KiB
VimL
237 lines
7.8 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 Dec 31, 2014 12:36AM
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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
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" runtime files created by a filetype plugin, if installed.
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"
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" CONFIGURATION:
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" syntax folding can be turned on by
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"
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" let r_syntax_folding = 1
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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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if exists("g:r_syntax_folding")
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setlocal foldmethod=syntax
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endif
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syn case match
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" Comment
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syn match rCommentTodo contained "\(BUG\|FIXME\|NOTE\|TODO\):"
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syn match rComment contains=@Spell,rCommentTodo "#.*"
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" Roxygen
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syn match rOKeyword contained "@\(param\|return\|name\|rdname\|examples\|include\|docType\)"
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syn match rOKeyword contained "@\(S3method\|TODO\|aliases\|alias\|assignee\|author\|callGraphDepth\|callGraph\)"
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syn match rOKeyword contained "@\(callGraphPrimitives\|concept\|exportClass\|exportMethod\|exportPattern\|export\|formals\)"
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syn match rOKeyword contained "@\(format\|importClassesFrom\|importFrom\|importMethodsFrom\|import\|keywords\|useDynLib\)"
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syn match rOKeyword contained "@\(method\|noRd\|note\|references\|seealso\|setClass\|slot\|source\|title\|usage\)"
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syn match rOKeyword contained "@\(family\|template\|templateVar\|description\|details\|inheritParams\)"
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syn match rOComment contains=@Spell,rOKeyword "#'.*"
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if &filetype == "rhelp"
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" string enclosed in double quotes
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syn region rString contains=rSpecial,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/
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" string enclosed in single quotes
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syn region rString contains=rSpecial,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/
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else
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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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endif
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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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" 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.abb month.name pi
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syn keyword rConstant R.version.string
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syn keyword rNumber NA_integer_ NA_real_ NA_complex_ NA_character_
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" Constants
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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 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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" 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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" complex number
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syn match rComplex "\<\d\+i"
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syn match rComplex "\<\d\++\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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syn match rAssign '='
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syn match rOperator "&"
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syn match rOperator '-'
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syn match rOperator '\*'
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syn match rOperator '+'
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if &filetype != "rmd" && &filetype != "rrst"
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syn match rOperator "[|!<>^~/:]"
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else
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syn match rOperator "[|!<>^~`/:]"
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endif
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syn match rOperator "%\{2}\|%\S\{-}%"
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syn match rOperator '\([!><]\)\@<=='
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syn match rOperator '=='
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syn match rOpError '\*\{3}'
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syn match rOpError '//'
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syn match rOpError '&&&'
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syn match rOpError '|||'
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syn match rOpError '<<'
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syn match rOpError '>>'
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syn match rAssign "<\{1,2}-"
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syn match rAssign "->\{1,2}"
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" Special
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syn match rDelimiter "[,;:]"
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" Error
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if exists("g:r_syntax_folding")
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syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError fold
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syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError fold
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syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError fold
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else
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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=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError
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endif
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syn match rError "[)\]}]"
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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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" Source list of R functions produced by a filetype plugin (if installed)
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if has("nvim")
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" Nvim-R
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runtime R/functions.vim
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else
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" Vim-R-plugin
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runtime r-plugin/functions.vim
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endif
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syn match rDollar display contained "\$"
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syn match rDollar display contained "@"
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" List elements will not be highlighted as functions:
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syn match rLstElmt "\$[a-zA-Z0-9\\._]*" contains=rDollar
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syn match rLstElmt "@[a-zA-Z0-9\\._]*" contains=rDollar
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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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if &filetype == "rhelp"
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syn match rHelpIdent '\\method'
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syn match rHelpIdent '\\S4method'
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endif
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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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" Name of object with spaces
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if &filetype != "rmd" && &filetype != "rrst"
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syn region rNameWSpace start="`" end="`"
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endif
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if &filetype == "rhelp"
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syn match rhPreProc "^#ifdef.*"
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syn match rhPreProc "^#endif.*"
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syn match rhSection "\\dontrun\>"
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endif
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if exists("r_syn_minlines")
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exe "syn sync minlines=" . r_syn_minlines
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else
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syn sync minlines=40
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endif
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" Define the default highlighting.
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hi def link rAssign 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 rCommentTodo Todo
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hi def link rOComment 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 rFunction Function
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hi def link rHelpIdent Identifier
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hi def link rhPreProc PreProc
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hi def link rhSection PreCondit
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hi def link rInteger Number
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hi def link rLstElmt Normal
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hi def link rNameWSpace Normal
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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 rOpError Error
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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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hi def link rOKeyword Title
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let b:current_syntax="r"
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" vim: ts=8 sw=2
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