Mercurial > vim
annotate runtime/syntax/r.vim @ 18486:9d887cad7315
Added tag v8.1.2237 for changeset 63ee3c2b140fe1b4801389872a8e47aec19d028b
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Thu, 31 Oct 2019 20:00:04 +0100 |
| parents | 0ecb909e3249 |
| children | 5bda4653aced |
| rev | line source |
|---|---|
| 7 | 1 " Vim syntax file |
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2 " Language: R (GNU S) |
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3 " Maintainer: Jakson Aquino <jalvesaq@gmail.com> |
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4 " Former Maintainers: Vaidotas Zemlys <zemlys@gmail.com> |
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5 " Tom Payne <tom@tompayne.org> |
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6 " Contributor: Johannes Ranke <jranke@uni-bremen.de> |
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7 " Homepage: https://github.com/jalvesaq/R-Vim-runtime |
| 14637 | 8 " Last Change: Wed Aug 01, 2018 10:10PM |
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9 " Filenames: *.R *.r *.Rhistory *.Rt |
| 6476 | 10 " |
| 11347 | 11 " NOTE: The highlighting of R functions might be defined in |
| 6476 | 12 " runtime files created by a filetype plugin, if installed. |
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13 " |
| 2725 | 14 " CONFIGURATION: |
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15 " Syntax folding can be turned on by |
| 2725 | 16 " |
| 17 " let r_syntax_folding = 1 | |
| 18 " | |
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19 " ROxygen highlighting can be turned off by |
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20 " |
| 11347 | 21 " let r_syntax_hl_roxygen = 0 |
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22 " |
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23 " Some lines of code were borrowed from Zhuojun Chen. |
| 625 | 24 |
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25 if exists("b:current_syntax") |
| 7 | 26 finish |
| 27 endif | |
| 28 | |
| 11347 | 29 if has("patch-7.4.1142") |
| 30 syn iskeyword @,48-57,_,. | |
| 31 else | |
| 32 setlocal iskeyword=@,48-57,_,. | |
| 33 endif | |
| 34 | |
| 35 " The variables g:r_hl_roxygen and g:r_syn_minlines were renamed on April 8, 2017. | |
| 36 if exists("g:r_hl_roxygen") | |
| 37 let g:r_syntax_hl_roxygen = g:r_hl_roxygen | |
| 38 endif | |
| 39 if exists("g:r_syn_minlines") | |
| 40 let g:r_syntax_minlines = g:r_syn_minlines | |
| 41 endif | |
| 7 | 42 |
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43 if exists("g:r_syntax_folding") && g:r_syntax_folding |
| 2725 | 44 setlocal foldmethod=syntax |
| 45 endif | |
| 14637 | 46 |
| 47 let g:r_syntax_hl_roxygen = get(g:, 'r_syntax_hl_roxygen', 1) | |
| 2725 | 48 |
| 7 | 49 syn case match |
| 50 | |
| 51 " Comment | |
| 6051 | 52 syn match rCommentTodo contained "\(BUG\|FIXME\|NOTE\|TODO\):" |
| 14637 | 53 syn match rTodoParen contained "\(BUG\|FIXME\|NOTE\|TODO\)\s*(.\{-})\s*:" contains=rTodoKeyw,rTodoInfo transparent |
| 54 syn keyword rTodoKeyw BUG FIXME NOTE TODO contained | |
| 55 syn match rTodoInfo "(\zs.\{-}\ze)" contained | |
| 56 syn match rComment contains=@Spell,rCommentTodo,rTodoParen,rOBlock "#.*" | |
| 4780 | 57 |
| 58 " Roxygen | |
| 11347 | 59 if g:r_syntax_hl_roxygen |
| 60 " A roxygen block can start at the beginning of a file (first version) and | |
| 61 " after a blank line (second version). It ends when a line that does not | |
| 62 " contain a roxygen comment. In the following comments, any line containing | |
| 63 " a roxygen comment marker (one or two hash signs # followed by a single | |
| 64 " quote ' and preceded only by whitespace) is called a roxygen line. A | |
| 65 " roxygen line containing only a roxygen comment marker, optionally followed | |
| 66 " by whitespace is called an empty roxygen line. | |
| 67 | |
| 68 " First we match all roxygen blocks as containing only a title. In case an | |
| 69 " empty roxygen line ending the title or a tag is found, this will be | |
| 14637 | 70 " overridden later by the definitions of rOBlock. |
| 11347 | 71 syn match rOTitleBlock "\%^\(\s*#\{1,2}' .*\n\)\{1,}" contains=rOCommentKey,rOTitleTag |
| 72 syn match rOTitleBlock "^\s*\n\(\s*#\{1,2}' .*\n\)\{1,}" contains=rOCommentKey,rOTitleTag | |
| 73 | |
| 74 " When a roxygen block has a title and additional content, the title | |
| 75 " consists of one or more roxygen lines (as little as possible are matched), | |
| 76 " followed either by an empty roxygen line | |
| 77 syn region rOBlock start="\%^\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*$" end="^\s*\(#\{1,2}'\)\@!" contains=rOTitle,rOTag,rOExamples,@Spell keepend fold | |
| 78 syn region rOBlock start="^\s*\n\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*$" end="^\s*\(#\{1,2}'\)\@!" contains=rOTitle,rOTag,rOExamples,@Spell keepend fold | |
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79 |
| 11347 | 80 " or by a roxygen tag (we match everything starting with @ but not @@ which is used as escape sequence for a literal @). |
| 81 syn region rOBlock start="\%^\(\s*#\{1,2}' .*\n\)\{-}\s*#\{1,2}' @\(@\)\@!" end="^\s*\(#\{1,2}'\)\@!" contains=rOTitle,rOTag,rOExamples,@Spell keepend fold | |
| 82 syn region rOBlock start="^\s*\n\(\s*#\{1,2}' .*\n\)\{-}\s*#\{1,2}' @\(@\)\@!" end="^\s*\(#\{1,2}'\)\@!" contains=rOTitle,rOTag,rOExamples,@Spell keepend fold | |
| 83 | |
| 84 " If a block contains an @rdname, @describeIn tag, it may have paragraph breaks, but does not have a title | |
| 85 syn region rOBlockNoTitle start="\%^\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*\n\(\s*#\{1,2}'.*\n\)\{-}\s*#\{1,2}' @rdname" end="^\s*\(#\{1,2}'\)\@!" contains=rOTag,rOExamples,@Spell keepend fold | |
| 86 syn region rOBlockNoTitle start="^\s*\n\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*\n\(\s*#\{1,2}'.*\n\)\{-}\s*#\{1,2}' @rdname" end="^\s*\(#\{1,2}'\)\@!" contains=rOTag,rOExamples,@Spell keepend fold | |
| 87 syn region rOBlockNoTitle start="\%^\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*\n\(\s*#\{1,2}'.*\n\)\{-}\s*#\{1,2}' @describeIn" end="^\s*\(#\{1,2}'\)\@!" contains=rOTag,rOExamples,@Spell keepend fold | |
| 88 syn region rOBlockNoTitle start="^\s*\n\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*\n\(\s*#\{1,2}'.*\n\)\{-}\s*#\{1,2}' @describeIn" end="^\s*\(#\{1,2}'\)\@!" contains=rOTag,rOExamples,@Spell keepend fold | |
| 89 | |
| 90 " A title as part of a block is always at the beginning of the block, i.e. | |
| 91 " either at the start of a file or after a completely empty line. | |
| 92 syn match rOTitle "\%^\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*$" contained contains=rOCommentKey,rOTitleTag | |
| 93 syn match rOTitle "^\s*\n\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*$" contained contains=rOCommentKey,rOTitleTag | |
| 94 syn match rOTitleTag contained "@title" | |
| 95 | |
| 14637 | 96 syn match rOCommentKey "^\s*#\{1,2}'" contained |
| 11347 | 97 syn region rOExamples start="^#\{1,2}' @examples.*"rs=e+1,hs=e+1 end="^\(#\{1,2}' @.*\)\@=" end="^\(#\{1,2}'\)\@!" contained contains=rOTag fold |
| 98 | |
| 99 " rOTag list generated from the lists in | |
| 100 " https://github.com/klutometis/roxygen/R/rd.R and | |
| 101 " https://github.com/klutometis/roxygen/R/namespace.R | |
| 102 " using s/^ \([A-Za-z0-9]*\) = .*/ syn match rOTag contained "@\1"/ | |
| 103 " Plus we need the @include tag | |
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104 |
| 11347 | 105 " rd.R |
| 106 syn match rOTag contained "@aliases" | |
| 107 syn match rOTag contained "@author" | |
| 108 syn match rOTag contained "@backref" | |
| 109 syn match rOTag contained "@concept" | |
| 110 syn match rOTag contained "@describeIn" | |
| 111 syn match rOTag contained "@description" | |
| 112 syn match rOTag contained "@details" | |
| 113 syn match rOTag contained "@docType" | |
| 114 syn match rOTag contained "@encoding" | |
| 115 syn match rOTag contained "@evalRd" | |
| 116 syn match rOTag contained "@example" | |
| 117 syn match rOTag contained "@examples" | |
| 118 syn match rOTag contained "@family" | |
| 119 syn match rOTag contained "@field" | |
| 120 syn match rOTag contained "@format" | |
| 121 syn match rOTag contained "@inherit" | |
| 122 syn match rOTag contained "@inheritParams" | |
| 123 syn match rOTag contained "@inheritDotParams" | |
| 124 syn match rOTag contained "@inheritSection" | |
| 125 syn match rOTag contained "@keywords" | |
| 126 syn match rOTag contained "@method" | |
| 127 syn match rOTag contained "@name" | |
| 128 syn match rOTag contained "@md" | |
| 129 syn match rOTag contained "@noMd" | |
| 130 syn match rOTag contained "@noRd" | |
| 131 syn match rOTag contained "@note" | |
| 132 syn match rOTag contained "@param" | |
| 133 syn match rOTag contained "@rdname" | |
| 134 syn match rOTag contained "@rawRd" | |
| 135 syn match rOTag contained "@references" | |
| 136 syn match rOTag contained "@return" | |
| 137 syn match rOTag contained "@section" | |
| 138 syn match rOTag contained "@seealso" | |
| 139 syn match rOTag contained "@slot" | |
| 140 syn match rOTag contained "@source" | |
| 141 syn match rOTag contained "@template" | |
| 142 syn match rOTag contained "@templateVar" | |
| 143 syn match rOTag contained "@title" | |
| 144 syn match rOTag contained "@usage" | |
| 145 " namespace.R | |
| 146 syn match rOTag contained "@export" | |
| 147 syn match rOTag contained "@exportClass" | |
| 148 syn match rOTag contained "@exportMethod" | |
| 149 syn match rOTag contained "@exportPattern" | |
| 150 syn match rOTag contained "@import" | |
| 151 syn match rOTag contained "@importClassesFrom" | |
| 152 syn match rOTag contained "@importFrom" | |
| 153 syn match rOTag contained "@importMethodsFrom" | |
| 154 syn match rOTag contained "@rawNamespace" | |
| 155 syn match rOTag contained "@S3method" | |
| 156 syn match rOTag contained "@useDynLib" | |
| 157 " other | |
| 158 syn match rOTag contained "@include" | |
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159 endif |
| 4780 | 160 |
| 7 | 161 |
| 2725 | 162 if &filetype == "rhelp" |
| 163 " string enclosed in double quotes | |
| 164 syn region rString contains=rSpecial,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/ | |
| 165 " string enclosed in single quotes | |
| 166 syn region rString contains=rSpecial,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/ | |
| 167 else | |
| 168 " string enclosed in double quotes | |
| 169 syn region rString contains=rSpecial,rStrError,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/ | |
| 170 " string enclosed in single quotes | |
| 171 syn region rString contains=rSpecial,rStrError,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/ | |
| 172 endif | |
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173 |
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174 syn match rStrError display contained "\\." |
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175 |
| 2725 | 176 |
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177 " New line, carriage return, tab, backspace, bell, feed, vertical tab, backslash |
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178 syn match rSpecial display contained "\\\(n\|r\|t\|b\|a\|f\|v\|'\|\"\)\|\\\\" |
| 7 | 179 |
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180 " Hexadecimal and Octal digits |
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181 syn match rSpecial display contained "\\\(x\x\{1,2}\|[0-8]\{1,3}\)" |
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182 |
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183 " Unicode characters |
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184 syn match rSpecial display contained "\\u\x\{1,4}" |
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185 syn match rSpecial display contained "\\U\x\{1,8}" |
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186 syn match rSpecial display contained "\\u{\x\{1,4}}" |
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187 syn match rSpecial display contained "\\U{\x\{1,8}}" |
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188 |
| 7 | 189 " Statement |
| 190 syn keyword rStatement break next return | |
| 191 syn keyword rConditional if else | |
| 192 syn keyword rRepeat for in repeat while | |
| 193 | |
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194 " Constant (not really) |
| 4780 | 195 syn keyword rConstant T F LETTERS letters month.abb month.name pi |
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196 syn keyword rConstant R.version.string |
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197 |
| 6476 | 198 syn keyword rNumber NA_integer_ NA_real_ NA_complex_ NA_character_ |
| 2725 | 199 |
| 200 " Constants | |
| 7 | 201 syn keyword rConstant NULL |
| 202 syn keyword rBoolean FALSE TRUE | |
| 6476 | 203 syn keyword rNumber NA Inf NaN |
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204 |
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205 " integer |
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206 syn match rInteger "\<\d\+L" |
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207 syn match rInteger "\<0x\([0-9]\|[a-f]\|[A-F]\)\+L" |
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208 syn match rInteger "\<\d\+[Ee]+\=\d\+L" |
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209 |
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210 " number with no fractional part or exponent |
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211 syn match rNumber "\<\d\+\>" |
| 6476 | 212 " hexadecimal number |
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213 syn match rNumber "\<0x\([0-9]\|[a-f]\|[A-F]\)\+" |
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214 |
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215 " floating point number with integer and fractional parts and optional exponent |
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216 syn match rFloat "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\=" |
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217 " floating point number with no integer part and optional exponent |
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218 syn match rFloat "\<\.\d\+\([Ee][-+]\=\d\+\)\=" |
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219 " floating point number with no fractional part and optional exponent |
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220 syn match rFloat "\<\d\+[Ee][-+]\=\d\+" |
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221 |
| 2725 | 222 " complex number |
| 223 syn match rComplex "\<\d\+i" | |
| 224 syn match rComplex "\<\d\++\d\+i" | |
| 225 syn match rComplex "\<0x\([0-9]\|[a-f]\|[A-F]\)\+i" | |
| 226 syn match rComplex "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\=i" | |
| 227 syn match rComplex "\<\.\d\+\([Ee][-+]\=\d\+\)\=i" | |
| 228 syn match rComplex "\<\d\+[Ee][-+]\=\d\+i" | |
| 229 | |
| 6476 | 230 syn match rAssign '=' |
| 2725 | 231 syn match rOperator "&" |
| 232 syn match rOperator '-' | |
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233 syn match rOperator '\*' |
| 2725 | 234 syn match rOperator '+' |
| 4780 | 235 if &filetype != "rmd" && &filetype != "rrst" |
| 236 syn match rOperator "[|!<>^~/:]" | |
| 237 else | |
| 238 syn match rOperator "[|!<>^~`/:]" | |
| 239 endif | |
| 6051 | 240 syn match rOperator "%\{2}\|%\S\{-}%" |
| 6476 | 241 syn match rOperator '\([!><]\)\@<==' |
| 242 syn match rOperator '==' | |
| 4780 | 243 syn match rOpError '\*\{3}' |
| 2725 | 244 syn match rOpError '//' |
| 245 syn match rOpError '&&&' | |
| 246 syn match rOpError '|||' | |
| 247 syn match rOpError '<<' | |
| 248 syn match rOpError '>>' | |
| 249 | |
| 6476 | 250 syn match rAssign "<\{1,2}-" |
| 251 syn match rAssign "->\{1,2}" | |
| 7 | 252 |
| 253 " Special | |
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254 syn match rDelimiter "[,;:]" |
| 7 | 255 |
| 256 " Error | |
| 2725 | 257 if exists("g:r_syntax_folding") |
| 258 syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError fold | |
| 259 syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError fold | |
| 260 syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError fold | |
| 14637 | 261 syn region rSection matchgroup=Title start=/^#.*[-=#]\{4,}/ end=/^#.*[-=#]\{4,}/ms=s-2,me=s-1 transparent contains=ALL fold |
| 2725 | 262 else |
| 263 syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError | |
| 264 syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError | |
| 265 syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError | |
| 266 endif | |
| 267 | |
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268 syn match rError "[)\]}]" |
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269 syn match rBraceError "[)}]" contained |
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270 syn match rCurlyError "[)\]]" contained |
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271 syn match rParenError "[\]}]" contained |
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272 |
| 11347 | 273 " Use Nvim-R to highlight functions dynamically if it is installed |
| 274 if !exists("g:r_syntax_fun_pattern") | |
| 275 let s:ff = split(substitute(globpath(&rtp, "R/functions.vim"), "functions.vim", "", "g"), "\n") | |
| 276 if len(s:ff) > 0 | |
| 277 let g:r_syntax_fun_pattern = 0 | |
| 278 else | |
| 279 let g:r_syntax_fun_pattern = 1 | |
| 280 endif | |
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281 endif |
| 11347 | 282 |
| 283 " Only use Nvim-R to highlight functions if they should not be highlighted | |
| 284 " according to a generic pattern | |
| 285 if g:r_syntax_fun_pattern == 1 | |
| 286 syn match rFunction '[0-9a-zA-Z_\.]\+\s*\ze(' | |
| 287 else | |
| 14637 | 288 " Nvim-R: |
| 289 runtime R/functions.vim | |
| 6476 | 290 endif |
| 2725 | 291 |
| 292 syn match rDollar display contained "\$" | |
| 4780 | 293 syn match rDollar display contained "@" |
| 2725 | 294 |
| 295 " List elements will not be highlighted as functions: | |
| 296 syn match rLstElmt "\$[a-zA-Z0-9\\._]*" contains=rDollar | |
| 4780 | 297 syn match rLstElmt "@[a-zA-Z0-9\\._]*" contains=rDollar |
| 2725 | 298 |
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299 " Functions that may add new objects |
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300 syn keyword rPreProc library require attach detach source |
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301 |
| 2725 | 302 if &filetype == "rhelp" |
| 6051 | 303 syn match rHelpIdent '\\method' |
| 304 syn match rHelpIdent '\\S4method' | |
| 2725 | 305 endif |
| 306 | |
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307 " Type |
| 6476 | 308 syn keyword rType array category character complex double function integer list logical matrix numeric vector data.frame |
| 7 | 309 |
| 2725 | 310 " Name of object with spaces |
| 4780 | 311 if &filetype != "rmd" && &filetype != "rrst" |
| 14637 | 312 syn region rNameWSpace start="`" end="`" contains=rSpaceFun |
| 4780 | 313 endif |
| 2725 | 314 |
| 315 if &filetype == "rhelp" | |
| 6476 | 316 syn match rhPreProc "^#ifdef.*" |
| 317 syn match rhPreProc "^#endif.*" | |
| 2725 | 318 syn match rhSection "\\dontrun\>" |
| 319 endif | |
| 320 | |
| 11347 | 321 if exists("r_syntax_minlines") |
| 322 exe "syn sync minlines=" . r_syntax_minlines | |
| 6476 | 323 else |
| 324 syn sync minlines=40 | |
| 325 endif | |
| 326 | |
| 7 | 327 " Define the default highlighting. |
| 6476 | 328 hi def link rAssign Statement |
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329 hi def link rBoolean Boolean |
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330 hi def link rBraceError Error |
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331 hi def link rComment Comment |
| 14637 | 332 hi def link rTodoParen Comment |
| 333 hi def link rTodoInfo SpecialComment | |
| 6051 | 334 hi def link rCommentTodo Todo |
| 14637 | 335 hi def link rTodoKeyw Todo |
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336 hi def link rComplex Number |
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337 hi def link rConditional Conditional |
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338 hi def link rConstant Constant |
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339 hi def link rCurlyError Error |
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340 hi def link rDelimiter Delimiter |
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341 hi def link rDollar SpecialChar |
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342 hi def link rError Error |
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343 hi def link rFloat Float |
| 2725 | 344 hi def link rFunction Function |
| 14637 | 345 hi def link rSpaceFun Function |
| 2725 | 346 hi def link rHelpIdent Identifier |
| 347 hi def link rhPreProc PreProc | |
| 348 hi def link rhSection PreCondit | |
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349 hi def link rInteger Number |
| 6476 | 350 hi def link rLstElmt Normal |
| 2725 | 351 hi def link rNameWSpace Normal |
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352 hi def link rNumber Number |
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353 hi def link rOperator Operator |
| 2725 | 354 hi def link rOpError Error |
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355 hi def link rParenError Error |
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356 hi def link rPreProc PreProc |
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357 hi def link rRepeat Repeat |
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358 hi def link rSpecial SpecialChar |
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359 hi def link rStatement Statement |
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360 hi def link rString String |
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361 hi def link rStrError Error |
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362 hi def link rType Type |
| 11347 | 363 if g:r_syntax_hl_roxygen |
| 364 hi def link rOTitleTag Operator | |
| 365 hi def link rOTag Operator | |
| 366 hi def link rOTitleBlock Title | |
| 367 hi def link rOBlock Comment | |
| 368 hi def link rOBlockNoTitle Comment | |
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369 hi def link rOTitle Title |
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370 hi def link rOCommentKey Comment |
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371 hi def link rOExamples SpecialComment |
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372 endif |
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373 |
| 7 | 374 let b:current_syntax="r" |
| 375 | |
| 376 " vim: ts=8 sw=2 |