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Diffstat (limited to 'runtime/syntax/r.vim')
| -rw-r--r-- | runtime/syntax/r.vim | 224 |
1 files changed, 224 insertions, 0 deletions
diff --git a/runtime/syntax/r.vim b/runtime/syntax/r.vim new file mode 100644 index 0000000000..85a6eaa2ae --- /dev/null +++ b/runtime/syntax/r.vim @@ -0,0 +1,224 @@ +" 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> +" Last Change: Wed Jul 09, 2014 10:29PM +" Filenames: *.R *.r *.Rhistory *.Rt +" +" NOTE: The highlighting of R functions is defined in the +" r-plugin/functions.vim, which is part of vim-r-plugin2: +" http://www.vim.org/scripts/script.php?script_id=2628 +" +" CONFIGURATION: +" syntax folding can be turned on by +" +" let r_syntax_folding = 1 +" +" Some lines of code were borrowed from Zhuojun Chen. + +if exists("b:current_syntax") + finish +endif + +setlocal iskeyword=@,48-57,_,. + +if exists("g:r_syntax_folding") + setlocal foldmethod=syntax +endif + +syn case match + +" Comment +syn match rCommentTodo contained "\(BUG\|FIXME\|NOTE\|TODO\):" +syn match rComment contains=@Spell,rCommentTodo "#.*" + +" Roxygen +syn match rOKeyword contained "@\(param\|return\|name\|rdname\|examples\|include\|docType\)" +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 "@\(format\|importClassesFrom\|importFrom\|importMethodsFrom\|import\|keywords\)" +syn match rOKeyword contained "@\(method\|noRd\|note\|references\|seealso\|setClass\|slot\|source\|title\|usage\)" +syn match rOKeyword contained "@\(family\|template\|templateVar\|description\|details\|inheritsParams\)" +syn match rOComment contains=@Spell,rOKeyword "#'.*" + + +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 rOperator "&" +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 rOpError '\*\{3}' +syn match rOpError '//' +syn match rOpError '&&&' +syn match rOpError '|||' +syn match rOpError '<<' +syn match rOpError '>>' + +syn match rArrow "<\{1,2}-" +syn match rArrow "->\{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 + +" Source list of R functions. The list is produced by the Vim-R-plugin +" http://www.vim.org/scripts/script.php?script_id=2628 +runtime r-plugin/functions.vim + +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 + +" Define the default highlighting. +hi def link rArrow Statement +hi def link rBoolean Boolean +hi def link rBraceError Error +hi def link rComment Comment +hi def link rCommentTodo Todo +hi def link rOComment Comment +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 +hi def link rOKeyword Title + +let b:current_syntax="r" + +" vim: ts=8 sw=2 |