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Diffstat (limited to 'vim71/syntax/r.vim')
| -rw-r--r-- | vim71/syntax/r.vim | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/vim71/syntax/r.vim b/vim71/syntax/r.vim new file mode 100644 index 0000000..f3e730e --- /dev/null +++ b/vim71/syntax/r.vim @@ -0,0 +1,111 @@ +" Vim syntax file +" Language: R (GNU S) +" Maintainer: Vaidotas Zemlys <zemlys@gmail.com> +" Last Change: 2006 Apr 30 +" Filenames: *.R *.Rout *.r *.Rhistory *.Rt *.Rout.save *.Rout.fail +" URL: http://uosis.mif.vu.lt/~zemlys/vim-syntax/r.vim + +" First maintainer Tom Payne <tom@tompayne.org> +" Modified to make syntax less colourful and added the highlighting of +" R assignment arrow + +" For version 5.x: Clear all syntax items +" For version 6.x: Quit when a syntax file was already loaded +if version < 600 + syntax clear +elseif exists("b:current_syntax") + finish +endif + +if version >= 600 + setlocal iskeyword=@,48-57,_,. +else + set iskeyword=@,48-57,_,. +endif + +syn case match + +" Comment +syn match rComment /\#.*/ + +" Constant +" string enclosed in double quotes +syn region rString start=/"/ skip=/\\\\\|\\"/ end=/"/ +" string enclosed in single quotes +syn region rString start=/'/ skip=/\\\\\|\\'/ end=/'/ +" number with no fractional part or exponent +syn match rNumber /\d\+/ +" 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\+/ + +" Identifier +" identifier with leading letter and optional following keyword characters +syn match rIdentifier /\a\k*/ +" identifier with leading period, one or more digits, and at least one non-digit keyword character +syn match rIdentifier /\.\d*\K\k*/ + +" Statement +syn keyword rStatement break next return +syn keyword rConditional if else +syn keyword rRepeat for in repeat while + +" Constant +syn keyword rConstant LETTERS letters month.ab month.name pi +syn keyword rConstant NULL +syn keyword rBoolean FALSE TRUE +syn keyword rNumber NA +syn match rArrow /<\{1,2}-/ + +" Type +syn keyword rType array category character complex double function integer list logical matrix numeric vector data.frame + +" Special +syn match rDelimiter /[,;:]/ + +" Error +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=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError +syn match rError /[)\]}]/ +syn match rBraceError /[)}]/ contained +syn match rCurlyError /[)\]]/ contained +syn match rParenError /[\]}]/ contained + +" Define the default highlighting. +" For version 5.7 and earlier: only when not done already +" For version 5.8 and later: only when an item doesn't have highlighting yet +if version >= 508 || !exists("did_r_syn_inits") + if version < 508 + let did_r_syn_inits = 1 + command -nargs=+ HiLink hi link <args> + else + command -nargs=+ HiLink hi def link <args> + endif + HiLink rComment Comment + HiLink rConstant Constant + HiLink rString String + HiLink rNumber Number + HiLink rBoolean Boolean + HiLink rFloat Float + HiLink rStatement Statement + HiLink rConditional Conditional + HiLink rRepeat Repeat + HiLink rIdentifier Normal + HiLink rArrow Statement + HiLink rType Type + HiLink rDelimiter Delimiter + HiLink rError Error + HiLink rBraceError Error + HiLink rCurlyError Error + HiLink rParenError Error + delcommand HiLink +endif + +let b:current_syntax="r" + +" vim: ts=8 sw=2 + |