Edit: rhelp.vim
" Vim syntax file " Language: R Help File " Maintainer: Jakson Aquino <jalvesaq@gmail.com> " Former Maintainer: Johannes Ranke <jranke@uni-bremen.de> " Homepage: https://github.com/jalvesaq/R-Vim-runtime " Last Change: Tue Jun 28, 2016 08:53AM " Remarks: - Includes R syntax highlighting in the appropriate " sections if an r.vim file is in the same directory or in the " default debian location. " - There is no Latex markup in equations " - Thanks to Will Gray for finding and fixing a bug " - No support for \var tag within quoted string " Version Clears: {{{1 if exists("b:current_syntax") finish endif scriptencoding utf-8 syn case match " R help identifiers {{{1 syn region rhelpIdentifier matchgroup=rhelpSection start="\\name{" end="}" syn region rhelpIdentifier matchgroup=rhelpSection start="\\alias{" end="}" syn region rhelpIdentifier matchgroup=rhelpSection start="\\pkg{" end="}" contains=rhelpLink syn region rhelpIdentifier matchgroup=rhelpSection start="\\CRANpkg{" end="}" contains=rhelpLink syn region rhelpIdentifier matchgroup=rhelpSection start="\\method{" end="}" contained syn region rhelpIdentifier matchgroup=rhelpSection start="\\Rdversion{" end="}" " Highlighting of R code using an existing r.vim syntax file if available {{{1 syn include @R syntax/r.vim " Strings {{{1 syn region rhelpString start=/"/ skip=/\\"/ end=/"/ contains=rhelpSpecialChar,rhelpCodeSpecial,rhelpLink contained " Special characters in R strings syn match rhelpCodeSpecial display contained "\\\\\(n\|r\|t\|b\|a\|f\|v\|'\|\"\)\|\\\\" " Special characters ( \$ \& \% \# \{ \} \_) syn match rhelpSpecialChar "\\[$&%#{}_]" " R code {{{1 syn match rhelpDots "\\dots" containedin=@R syn region rhelpRcode matchgroup=Delimiter start="\\examples{" matchgroup=Delimiter transparent end="}" contains=@R,rhelpLink,rhelpIdentifier,rhelpString,rhelpSpecialChar,rhelpSection syn region rhelpRcode matchgroup=Delimiter start="\\usage{" matchgroup=Delimiter transparent end="}" contains=@R,rhelpIdentifier,rhelpS4method syn region rhelpRcode matchgroup=Delimiter start="\\synopsis{" matchgroup=Delimiter transparent end="}" contains=@R syn region rhelpRcode matchgroup=Delimiter start="\\special{" matchgroup=Delimiter transparent end="}" contains=@R if v:version > 703 syn region rhelpRcode matchgroup=Delimiter start="\\code{" skip='\\\@1<!{.\{-}\\\@1<!}' transparent end="}" contains=@R,rhelpDots,rhelpString,rhelpSpecialChar,rhelpLink keepend else syn region rhelpRcode matchgroup=Delimiter start="\\code{" skip='\\\@<!{.\{-}\\\@<!}' transparent end="}" contains=@R,rhelpDots,rhelpString,rhelpSpecialChar,rhelpLink keepend endif syn region rhelpS4method matchgroup=Delimiter start="\\S4method{.*}(" matchgroup=Delimiter transparent end=")" contains=@R,rhelpDots syn region rhelpSexpr matchgroup=Delimiter start="\\Sexpr{" matchgroup=Delimiter transparent end="}" contains=@R " PreProc {{{1 syn match rhelpPreProc "^#ifdef.*" syn match rhelpPreProc "^#endif.*" " Special Delimiters {{{1 syn match rhelpDelimiter "\\cr" syn match rhelpDelimiter "\\tab " " Keywords {{{1 syn match rhelpKeyword "\\R\>" syn match rhelpKeyword "\\ldots\>" syn match rhelpKeyword "\\sspace\>" syn match rhelpKeyword "--" syn match rhelpKeyword "---" " Condition Keywords {{{2 syn match rhelpKeyword "\\if\>" syn match rhelpKeyword "\\ifelse\>" syn match rhelpKeyword "\\out\>" " Examples of usage: " \ifelse{latex}{\eqn{p = 5 + 6 - 7 \times 8}}{\eqn{p = 5 + 6 - 7 * 8}} " \ifelse{latex}{\out{$\alpha$}}{\ifelse{html}{\out{α}}{alpha}} " Keywords and operators valid only if in math mode {{{2 syn match rhelpMathOp "<" contained syn match rhelpMathOp ">" contained syn match rhelpMathOp "+" contained syn match rhelpMathOp "-" contained syn match rhelpMathOp "=" contained " Conceal function based on syntax/tex.vim {{{2 if exists("g:tex_conceal") let s:tex_conceal = g:tex_conceal else let s:tex_conceal = 'gm' endif function s:HideSymbol(pat, cchar, hide) if a:hide exe "syn match rhelpMathSymb '" . a:pat . "' contained conceal cchar=" . a:cchar else exe "syn match rhelpMathSymb '" . a:pat . "' contained" endif endfunction " Math symbols {{{2 if s:tex_conceal =~ 'm' let s:hd = 1 else let s:hd = 0 endif call s:HideSymbol('\\infty\>', '∞', s:hd) call s:HideSymbol('\\ge\>', '≥', s:hd) call s:HideSymbol('\\le\>', '≤', s:hd) call s:HideSymbol('\\prod\>', '∏', s:hd) call s:HideSymbol('\\sum\>', '∑', s:hd) syn match rhelpMathSymb "\\sqrt\>" contained " Greek letters {{{2 if s:tex_conceal =~ 'g' let s:hd = 1 else let s:hd = 0 endif call s:HideSymbol('\\alpha\>', 'α', s:hd) call s:HideSymbol('\\beta\>', 'β', s:hd) call s:HideSymbol('\\gamma\>', 'γ', s:hd) call s:HideSymbol('\\delta\>', 'δ', s:hd) call s:HideSymbol('\\epsilon\>', 'ϵ', s:hd) call s:HideSymbol('\\zeta\>', 'ζ', s:hd) call s:HideSymbol('\\eta\>', 'η', s:hd) call s:HideSymbol('\\theta\>', 'θ', s:hd) call s:HideSymbol('\\iota\>', 'ι', s:hd) call s:HideSymbol('\\kappa\>', 'κ', s:hd) call s:HideSymbol('\\lambda\>', 'λ', s:hd) call s:HideSymbol('\\mu\>', 'μ', s:hd) call s:HideSymbol('\\nu\>', 'ν', s:hd) call s:HideSymbol('\\xi\>', 'ξ', s:hd) call s:HideSymbol('\\pi\>', 'π', s:hd) call s:HideSymbol('\\rho\>', 'ρ', s:hd) call s:HideSymbol('\\sigma\>', 'σ', s:hd) call s:HideSymbol('\\tau\>', 'τ', s:hd) call s:HideSymbol('\\upsilon\>', 'υ', s:hd) call s:HideSymbol('\\phi\>', 'ϕ', s:hd) call s:HideSymbol('\\chi\>', 'χ', s:hd) call s:HideSymbol('\\psi\>', 'ψ', s:hd) call s:HideSymbol('\\omega\>', 'ω', s:hd) call s:HideSymbol('\\Gamma\>', 'Γ', s:hd) call s:HideSymbol('\\Delta\>', 'Δ', s:hd) call s:HideSymbol('\\Theta\>', 'Θ', s:hd) call s:HideSymbol('\\Lambda\>', 'Λ', s:hd) call s:HideSymbol('\\Xi\>', 'Ξ', s:hd) call s:HideSymbol('\\Pi\>', 'Π', s:hd) call s:HideSymbol('\\Sigma\>', 'Σ', s:hd) call s:HideSymbol('\\Upsilon\>', 'Υ', s:hd) call s:HideSymbol('\\Phi\>', 'Φ', s:hd) call s:HideSymbol('\\Psi\>', 'Ψ', s:hd) call s:HideSymbol('\\Omega\>', 'Ω', s:hd) delfunction s:HideSymbol " Note: The letters 'omicron', 'Alpha', 'Beta', 'Epsilon', 'Zeta', 'Eta', " 'Iota', 'Kappa', 'Mu', 'Nu', 'Omicron', 'Rho', 'Tau' and 'Chi' are listed " at src/library/tools/R/Rd2txt.R because they are valid in HTML, although " they do not make valid LaTeX code (e.g. Α versus \Alpha). " Links {{{1 syn region rhelpLink matchgroup=rhelpType start="\\link{" end="}" contained keepend extend syn region rhelpLink matchgroup=rhelpType start="\\link\[.\{-}\]{" end="}" contained keepend extend syn region rhelpLink matchgroup=rhelpType start="\\linkS4class{" end="}" contained keepend extend syn region rhelpLink matchgroup=rhelpType start="\\url{" end="}" contained keepend extend syn region rhelpLink matchgroup=rhelpType start="\\href{" end="}" contained keepend extend syn region rhelpLink matchgroup=rhelpType start="\\figure{" end="}" contained keepend extend " Verbatim like {{{1 syn region rhelpVerbatim matchgroup=rhelpType start="\\samp{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpSpecialChar,rhelpComment syn region rhelpVerbatim matchgroup=rhelpType start="\\verb{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpSpecialChar,rhelpComment " Equation {{{1 syn region rhelpEquation matchgroup=rhelpType start="\\eqn{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpMathSymb,rhelpMathOp,rhelpRegion contained keepend extend syn region rhelpEquation matchgroup=rhelpType start="\\deqn{" skip='\\\@1<!{.\{-}\\\@1<!}' end="}" contains=rhelpMathSymb,rhelpMathOp,rhelpRegion contained keepend extend " Type Styles {{{1 syn match rhelpType "\\emph\>" syn match rhelpType "\\strong\>" syn match rhelpType "\\bold\>" syn match rhelpType "\\sQuote\>" syn match rhelpType "\\dQuote\>" syn match rhelpType "\\preformatted\>" syn match rhelpType "\\kbd\>" syn match rhelpType "\\file\>" syn match rhelpType "\\email\>" syn match rhelpType "\\enc\>" syn match rhelpType "\\var\>" syn match rhelpType "\\env\>" syn match rhelpType "\\option\>" syn match rhelpType "\\command\>" syn match rhelpType "\\newcommand\>" syn match rhelpType "\\renewcommand\>" syn match rhelpType "\\dfn\>" syn match rhelpType "\\cite\>" syn match rhelpType "\\acronym\>" syn match rhelpType "\\doi\>" " rhelp sections {{{1 syn match rhelpSection "\\encoding\>" syn match rhelpSection "\\title\>" syn match rhelpSection "\\item\>" syn match rhelpSection "\\description\>" syn match rhelpSection "\\concept\>" syn match rhelpSection "\\arguments\>" syn match rhelpSection "\\details\>" syn match rhelpSection "\\value\>" syn match rhelpSection "\\references\>" syn match rhelpSection "\\note\>" syn match rhelpSection "\\author\>" syn match rhelpSection "\\seealso\>" syn match rhelpSection "\\keyword\>" syn match rhelpSection "\\docType\>" syn match rhelpSection "\\format\>" syn match rhelpSection "\\source\>" syn match rhelpSection "\\itemize\>" syn match rhelpSection "\\describe\>" syn match rhelpSection "\\enumerate\>" syn match rhelpSection "\\item " syn match rhelpSection "\\item$" syn match rhelpSection "\\tabular{[lcr]*}" syn match rhelpSection "\\dontrun\>" syn match rhelpSection "\\dontshow\>" syn match rhelpSection "\\testonly\>" syn match rhelpSection "\\donttest\>" " Freely named Sections {{{1 syn region rhelpFreesec matchgroup=Delimiter start="\\section{" matchgroup=Delimiter transparent end="}" syn region rhelpFreesubsec matchgroup=Delimiter start="\\subsection{" matchgroup=Delimiter transparent end="}" syn match rhelpDelimiter "{\|\[\|(\|)\|\]\|}" " R help file comments {{{1 syn match rhelpComment /%.*$/ " Error {{{1 syn region rhelpRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim,rhelpEquation syn region rhelpRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim,rhelpEquation syn region rhelpRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ contains=@Spell,rhelpCodeSpecial,rhelpComment,rhelpDelimiter,rhelpDots,rhelpFreesec,rhelpFreesubsec,rhelpIdentifier,rhelpKeyword,rhelpLink,rhelpPreProc,rhelpRComment,rhelpRcode,rhelpRegion,rhelpS4method,rhelpSection,rhelpSexpr,rhelpSpecialChar,rhelpString,rhelpType,rhelpVerbatim,rhelpEquation syn match rhelpError /[)\]}]/ syn match rhelpBraceError /[)}]/ contained syn match rhelpCurlyError /[)\]]/ contained syn match rhelpParenError /[\]}]/ contained syntax sync match rhelpSyncRcode grouphere rhelpRcode "\\examples{" " Define the default highlighting {{{1 hi def link rhelpVerbatim String hi def link rhelpDelimiter Delimiter hi def link rhelpIdentifier Identifier hi def link rhelpString String hi def link rhelpCodeSpecial Special hi def link rhelpKeyword Keyword hi def link rhelpDots Keyword hi def link rhelpLink Underlined hi def link rhelpType Type hi def link rhelpSection PreCondit hi def link rhelpError Error hi def link rhelpBraceError Error hi def link rhelpCurlyError Error hi def link rhelpParenError Error hi def link rhelpPreProc PreProc hi def link rhelpDelimiter Delimiter hi def link rhelpComment Comment hi def link rhelpRComment Comment hi def link rhelpSpecialChar SpecialChar hi def link rhelpMathSymb Special hi def link rhelpMathOp Operator let b:current_syntax = "rhelp" " vim: foldmethod=marker sw=2
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