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neovim/runtime/syntax/r.vim
Justin M. Keyes d194380de9 vim-patch:e4a3bcf28d92 
Updated runtime files.  Add Scala files.

e4a3bcf28d
2017-04-19 21:26:17 +02:00

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" Vim syntax file
" Language: R (GNU S)
" Maintainer: Jakson Aquino <jalvesaq@gmail.com>
" Former Maintainers: Vaidotas Zemlys <zemlys@gmail.com>
" Tom Payne <tom@tompayne.org>
" Contributor: Johannes Ranke <jranke@uni-bremen.de>
" Homepage: https://github.com/jalvesaq/R-Vim-runtime
" Last Change: Thu Aug 25, 2016 08:52PM
" Filenames: *.R *.r *.Rhistory *.Rt
"
" NOTE: The highlighting of R functions is defined in
" runtime files created by a filetype plugin, if installed.
"
" CONFIGURATION:
" Syntax folding can be turned on by
"
" let r_syntax_folding = 1
"
" ROxygen highlighting can be turned off by
"
" let r_hl_roxygen = 0
"
" Some lines of code were borrowed from Zhuojun Chen.
if exists("b:current_syntax")
finish
endif
syn iskeyword @,48-57,_,.
if exists("g:r_syntax_folding") && g:r_syntax_folding
setlocal foldmethod=syntax
endif
if !exists("g:r_hl_roxygen")
let g:r_hl_roxygen = 1
endif
syn case match
" Comment
syn match rCommentTodo contained "\(BUG\|FIXME\|NOTE\|TODO\):"
syn match rComment contains=@Spell,rCommentTodo,rOBlock "#.*"
" Roxygen
if g:r_hl_roxygen
syn region rOBlock start="^\s*\n#\{1,2}' " start="\%^#\{1,2}' " end="^\(#\{1,2}'\)\@!" contains=rOTitle,rOKeyword,rOExamples,@Spell keepend
syn region rOTitle start="^\s*\n#\{1,2}' " start="\%^#\{1,2}' " end="^\(#\{1,2}'\s*$\)\@=" contained contains=rOCommentKey
syn match rOCommentKey "#\{1,2}'" containedin=rOTitle contained
syn region rOExamples start="^#\{1,2}' @examples.*"rs=e+1,hs=e+1 end="^\(#\{1,2}' @.*\)\@=" end="^\(#\{1,2}'\)\@!" contained contains=rOKeyword
syn match rOKeyword contained "@\(param\|return\|name\|rdname\|examples\|example\|include\|docType\)"
syn match rOKeyword contained "@\(S3method\|TODO\|aliases\|alias\|assignee\|author\|callGraphDepth\|callGraph\)"
syn match rOKeyword contained "@\(callGraphPrimitives\|concept\|exportClass\|exportMethod\|exportPattern\|export\|formals\)"
syn match rOKeyword contained "@\(format\|importClassesFrom\|importFrom\|importMethodsFrom\|import\|keywords\|useDynLib\)"
syn match rOKeyword contained "@\(method\|noRd\|note\|references\|seealso\|setClass\|slot\|source\|title\|usage\)"
syn match rOKeyword contained "@\(family\|template\|templateVar\|description\|details\|inheritParams\|field\)"
endif
if &filetype == "rhelp"
" string enclosed in double quotes
syn region rString contains=rSpecial,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/
" string enclosed in single quotes
syn region rString contains=rSpecial,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/
else
" string enclosed in double quotes
syn region rString contains=rSpecial,rStrError,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/
" string enclosed in single quotes
syn region rString contains=rSpecial,rStrError,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/
endif
syn match rStrError display contained "\\."
" New line, carriage return, tab, backspace, bell, feed, vertical tab, backslash
syn match rSpecial display contained "\\\(n\|r\|t\|b\|a\|f\|v\|'\|\"\)\|\\\\"
" Hexadecimal and Octal digits
syn match rSpecial display contained "\\\(x\x\{1,2}\|[0-8]\{1,3}\)"
" Unicode characters
syn match rSpecial display contained "\\u\x\{1,4}"
syn match rSpecial display contained "\\U\x\{1,8}"
syn match rSpecial display contained "\\u{\x\{1,4}}"
syn match rSpecial display contained "\\U{\x\{1,8}}"
" Statement
syn keyword rStatement break next return
syn keyword rConditional if else
syn keyword rRepeat for in repeat while
" Constant (not really)
syn keyword rConstant T F LETTERS letters month.abb month.name pi
syn keyword rConstant R.version.string
syn keyword rNumber NA_integer_ NA_real_ NA_complex_ NA_character_
" Constants
syn keyword rConstant NULL
syn keyword rBoolean FALSE TRUE
syn keyword rNumber NA Inf NaN
" integer
syn match rInteger "\<\d\+L"
syn match rInteger "\<0x\([0-9]\|[a-f]\|[A-F]\)\+L"
syn match rInteger "\<\d\+[Ee]+\=\d\+L"
" number with no fractional part or exponent
syn match rNumber "\<\d\+\>"
" hexadecimal number
syn match rNumber "\<0x\([0-9]\|[a-f]\|[A-F]\)\+"
" floating point number with integer and fractional parts and optional exponent
syn match rFloat "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\="
" floating point number with no integer part and optional exponent
syn match rFloat "\<\.\d\+\([Ee][-+]\=\d\+\)\="
" floating point number with no fractional part and optional exponent
syn match rFloat "\<\d\+[Ee][-+]\=\d\+"
" complex number
syn match rComplex "\<\d\+i"
syn match rComplex "\<\d\++\d\+i"
syn match rComplex "\<0x\([0-9]\|[a-f]\|[A-F]\)\+i"
syn match rComplex "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\=i"
syn match rComplex "\<\.\d\+\([Ee][-+]\=\d\+\)\=i"
syn match rComplex "\<\d\+[Ee][-+]\=\d\+i"
syn match rAssign '='
syn match rOperator "&"
syn match rOperator '-'
syn match rOperator '\*'
syn match rOperator '+'
if &filetype != "rmd" && &filetype != "rrst"
syn match rOperator "[|!<>^~/:]"
else
syn match rOperator "[|!<>^~`/:]"
endif
syn match rOperator "%\{2}\|%\S\{-}%"
syn match rOperator '\([!><]\)\@<=='
syn match rOperator '=='
syn match rOpError '\*\{3}'
syn match rOpError '//'
syn match rOpError '&&&'
syn match rOpError '|||'
syn match rOpError '<<'
syn match rOpError '>>'
syn match rAssign "<\{1,2}-"
syn match rAssign "->\{1,2}"
" Special
syn match rDelimiter "[,;:]"
" Error
if exists("g:r_syntax_folding")
syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError fold
syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError fold
syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError fold
else
syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError
syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError
syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError
endif
syn match rError "[)\]}]"
syn match rBraceError "[)}]" contained
syn match rCurlyError "[)\]]" contained
syn match rParenError "[\]}]" contained
if !exists("g:R_hi_fun")
let g:R_hi_fun = 1
endif
if g:R_hi_fun
" Nvim-R:
runtime R/functions.vim
endif
syn match rDollar display contained "\$"
syn match rDollar display contained "@"
" List elements will not be highlighted as functions:
syn match rLstElmt "\$[a-zA-Z0-9\\._]*" contains=rDollar
syn match rLstElmt "@[a-zA-Z0-9\\._]*" contains=rDollar
" Functions that may add new objects
syn keyword rPreProc library require attach detach source
if &filetype == "rhelp"
syn match rHelpIdent '\\method'
syn match rHelpIdent '\\S4method'
endif
" Type
syn keyword rType array category character complex double function integer list logical matrix numeric vector data.frame
" Name of object with spaces
if &filetype != "rmd" && &filetype != "rrst"
syn region rNameWSpace start="`" end="`"
endif
if &filetype == "rhelp"
syn match rhPreProc "^#ifdef.*"
syn match rhPreProc "^#endif.*"
syn match rhSection "\\dontrun\>"
endif
if exists("r_syn_minlines")
exe "syn sync minlines=" . r_syn_minlines
else
syn sync minlines=40
endif
" Define the default highlighting.
hi def link rAssign Statement
hi def link rBoolean Boolean
hi def link rBraceError Error
hi def link rComment Comment
hi def link rCommentTodo Todo
hi def link rComplex Number
hi def link rConditional Conditional
hi def link rConstant Constant
hi def link rCurlyError Error
hi def link rDelimiter Delimiter
hi def link rDollar SpecialChar
hi def link rError Error
hi def link rFloat Float
hi def link rFunction Function
hi def link rHelpIdent Identifier
hi def link rhPreProc PreProc
hi def link rhSection PreCondit
hi def link rInteger Number
hi def link rLstElmt Normal
hi def link rNameWSpace Normal
hi def link rNumber Number
hi def link rOperator Operator
hi def link rOpError Error
hi def link rParenError Error
hi def link rPreProc PreProc
hi def link rRepeat Repeat
hi def link rSpecial SpecialChar
hi def link rStatement Statement
hi def link rString String
hi def link rStrError Error
hi def link rType Type
if g:r_hl_roxygen
hi def link rOKeyword Title
hi def link rOBlock Comment
hi def link rOTitle Title
hi def link rOCommentKey Comment
hi def link rOExamples SpecialComment
endif
let b:current_syntax="r"
" vim: ts=8 sw=2
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