Mercurial > vim
annotate runtime/syntax/r.vim @ 33380:7ba7c38a9914
Added tag v9.0.1948 for changeset 7c9124711f997a267b94de49a7051f2f3294055c
| author | Christian Brabandt <cb@256bit.org> |
|---|---|
| date | Thu, 28 Sep 2023 22:30:04 +0200 |
| parents | b2412874362f |
| children | 34f6f3678cae |
| 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 |
| 32061 | 8 " Last Change: Thu Nov 17, 2022 10:13PM |
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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 | |
| 24520 | 56 syn match rComment contains=@Spell,rCommentTodo,rTodoParen "#.*" |
| 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 | |
| 24520 | 61 " after a blank line (second version). It ends when a line appears that does not |
| 11347 | 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 | |
| 32061 | 68 syn match rOCommentKey "^\s*#\{1,2}'" contained |
| 69 syn region rOExamples start="^\s*#\{1,2}' @examples.*"rs=e+1,hs=e+1 end="^\(#\{1,2}' @.*\)\@=" end="^\(#\{1,2}'\)\@!" contained contains=rOTag fold | |
| 70 | |
| 71 " R6 classes may contain roxygen lines independent of roxygen blocks | |
| 72 syn region rOR6Class start=/R6Class(/ end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError fold | |
| 73 syn match rOR6Block "#\{1,2}'.*" contains=rOTag,rOExamples,@Spell containedin=rOR6Class contained | |
| 74 syn match rOR6Block "^\s*#\{1,2}'.*" contains=rOTag,rOExamples,@Spell containedin=rOR6Class contained | |
| 75 | |
| 11347 | 76 " First we match all roxygen blocks as containing only a title. In case an |
| 77 " empty roxygen line ending the title or a tag is found, this will be | |
| 14637 | 78 " overridden later by the definitions of rOBlock. |
| 32061 | 79 syn match rOTitleBlock "\(\%^\|^\s*\n\)\@<=\(\s*#\{1,2}' .*\n\)\{1,}" contains=rOCommentKey,rOTitleTag |
| 11347 | 80 |
| 24520 | 81 " A title as part of a block is always at the beginning of the block, i.e. |
| 82 " either at the start of a file or after a completely empty line. | |
| 32061 | 83 syn match rOTitle "\(\%^\|^\s*\n\)\@<=\(\s*#\{1,2}' .*\n\)\{-1,}\s*#\{1,2}'\s*$" contained contains=rOCommentKey,rOTitleTag |
| 24520 | 84 syn match rOTitleTag contained "@title" |
| 85 | |
| 11347 | 86 " When a roxygen block has a title and additional content, the title |
| 87 " consists of one or more roxygen lines (as little as possible are matched), | |
| 88 " followed either by an empty roxygen line | |
| 32061 | 89 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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90 |
| 11347 | 91 " or by a roxygen tag (we match everything starting with @ but not @@ which is used as escape sequence for a literal @). |
| 32061 | 92 syn region rOBlock start="\(\%^\|^\s*\n\)\@<=\(\s*#\{1,2}' .*\n\)\{-}\s*#\{1,2}' @\(@\)\@!" end="^\s*\(#\{1,2}'\)\@!" contains=rOTitle,rOTag,rOExamples,@Spell keepend fold |
| 11347 | 93 |
| 94 " If a block contains an @rdname, @describeIn tag, it may have paragraph breaks, but does not have a title | |
| 32061 | 95 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 |
| 96 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 | |
| 11347 | 97 |
| 24520 | 98 " rOTag list originally generated from the lists that were available in |
| 11347 | 99 " https://github.com/klutometis/roxygen/R/rd.R and |
| 100 " https://github.com/klutometis/roxygen/R/namespace.R | |
| 101 " using s/^ \([A-Za-z0-9]*\) = .*/ syn match rOTag contained "@\1"/ | |
| 102 " Plus we need the @include tag | |
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103 |
| 11347 | 104 " rd.R |
| 105 syn match rOTag contained "@aliases" | |
| 106 syn match rOTag contained "@author" | |
| 107 syn match rOTag contained "@backref" | |
| 108 syn match rOTag contained "@concept" | |
| 109 syn match rOTag contained "@describeIn" | |
| 110 syn match rOTag contained "@description" | |
| 111 syn match rOTag contained "@details" | |
| 112 syn match rOTag contained "@docType" | |
| 113 syn match rOTag contained "@encoding" | |
| 114 syn match rOTag contained "@evalRd" | |
| 115 syn match rOTag contained "@example" | |
| 116 syn match rOTag contained "@examples" | |
| 117 syn match rOTag contained "@family" | |
| 118 syn match rOTag contained "@field" | |
| 119 syn match rOTag contained "@format" | |
| 120 syn match rOTag contained "@inherit" | |
| 121 syn match rOTag contained "@inheritParams" | |
| 122 syn match rOTag contained "@inheritDotParams" | |
| 123 syn match rOTag contained "@inheritSection" | |
| 124 syn match rOTag contained "@keywords" | |
| 125 syn match rOTag contained "@method" | |
| 126 syn match rOTag contained "@name" | |
| 127 syn match rOTag contained "@md" | |
| 128 syn match rOTag contained "@noMd" | |
| 129 syn match rOTag contained "@noRd" | |
| 130 syn match rOTag contained "@note" | |
| 131 syn match rOTag contained "@param" | |
| 132 syn match rOTag contained "@rdname" | |
| 133 syn match rOTag contained "@rawRd" | |
| 134 syn match rOTag contained "@references" | |
| 135 syn match rOTag contained "@return" | |
| 136 syn match rOTag contained "@section" | |
| 137 syn match rOTag contained "@seealso" | |
| 138 syn match rOTag contained "@slot" | |
| 139 syn match rOTag contained "@source" | |
| 140 syn match rOTag contained "@template" | |
| 141 syn match rOTag contained "@templateVar" | |
| 142 syn match rOTag contained "@title" | |
| 143 syn match rOTag contained "@usage" | |
| 144 " namespace.R | |
| 145 syn match rOTag contained "@export" | |
| 146 syn match rOTag contained "@exportClass" | |
| 147 syn match rOTag contained "@exportMethod" | |
| 148 syn match rOTag contained "@exportPattern" | |
| 149 syn match rOTag contained "@import" | |
| 150 syn match rOTag contained "@importClassesFrom" | |
| 151 syn match rOTag contained "@importFrom" | |
| 152 syn match rOTag contained "@importMethodsFrom" | |
| 153 syn match rOTag contained "@rawNamespace" | |
| 154 syn match rOTag contained "@S3method" | |
| 155 syn match rOTag contained "@useDynLib" | |
| 156 " other | |
| 24520 | 157 syn match rOTag contained "@eval" |
| 11347 | 158 syn match rOTag contained "@include" |
| 24520 | 159 syn match rOTag contained "@includeRmd" |
| 160 syn match rOTag contained "@order" | |
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161 endif |
| 4780 | 162 |
| 7 | 163 |
| 2725 | 164 if &filetype == "rhelp" |
| 165 " string enclosed in double quotes | |
| 166 syn region rString contains=rSpecial,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/ | |
| 167 " string enclosed in single quotes | |
| 168 syn region rString contains=rSpecial,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/ | |
| 169 else | |
| 170 " string enclosed in double quotes | |
| 171 syn region rString contains=rSpecial,rStrError,@Spell start=/"/ skip=/\\\\\|\\"/ end=/"/ | |
| 172 " string enclosed in single quotes | |
| 173 syn region rString contains=rSpecial,rStrError,@Spell start=/'/ skip=/\\\\\|\\'/ end=/'/ | |
| 174 endif | |
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175 |
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176 syn match rStrError display contained "\\." |
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177 |
| 2725 | 178 |
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179 " New line, carriage return, tab, backspace, bell, feed, vertical tab, backslash |
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180 syn match rSpecial display contained "\\\(n\|r\|t\|b\|a\|f\|v\|'\|\"\)\|\\\\" |
| 7 | 181 |
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182 " Hexadecimal and Octal digits |
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183 syn match rSpecial display contained "\\\(x\x\{1,2}\|[0-8]\{1,3}\)" |
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184 |
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185 " Unicode characters |
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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 syn match rSpecial display contained "\\u{\x\{1,4}}" |
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189 syn match rSpecial display contained "\\U{\x\{1,8}}" |
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190 |
| 24520 | 191 " Raw string |
| 192 syn region rRawString matchgroup=rRawStrDelim start=/[rR]\z(['"]\)\z(-*\)(/ end=/)\z2\z1/ keepend | |
| 193 syn region rRawString matchgroup=rRawStrDelim start=/[rR]\z(['"]\)\z(-*\){/ end=/}\z2\z1/ keepend | |
| 194 syn region rRawString matchgroup=rRawStrDelim start=/[rR]\z(['"]\)\z(-*\)\[/ end=/\]\z2\z1/ keepend | |
| 195 | |
| 7 | 196 " Statement |
| 197 syn keyword rStatement break next return | |
| 198 syn keyword rConditional if else | |
| 199 syn keyword rRepeat for in repeat while | |
| 200 | |
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201 " Constant (not really) |
| 4780 | 202 syn keyword rConstant T F LETTERS letters month.abb month.name pi |
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203 syn keyword rConstant R.version.string |
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204 |
| 6476 | 205 syn keyword rNumber NA_integer_ NA_real_ NA_complex_ NA_character_ |
| 2725 | 206 |
| 207 " Constants | |
| 7 | 208 syn keyword rConstant NULL |
| 209 syn keyword rBoolean FALSE TRUE | |
| 6476 | 210 syn keyword rNumber NA Inf NaN |
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211 |
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212 " integer |
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213 syn match rInteger "\<\d\+L" |
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214 syn match rInteger "\<0x\([0-9]\|[a-f]\|[A-F]\)\+L" |
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215 syn match rInteger "\<\d\+[Ee]+\=\d\+L" |
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216 |
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217 " number with no fractional part or exponent |
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218 syn match rNumber "\<\d\+\>" |
| 6476 | 219 " hexadecimal number |
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220 syn match rNumber "\<0x\([0-9]\|[a-f]\|[A-F]\)\+" |
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221 |
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222 " floating point number with integer and fractional parts and optional exponent |
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223 syn match rFloat "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\=" |
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224 " floating point number with no integer part and optional exponent |
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225 syn match rFloat "\<\.\d\+\([Ee][-+]\=\d\+\)\=" |
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226 " floating point number with no fractional part and optional exponent |
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227 syn match rFloat "\<\d\+[Ee][-+]\=\d\+" |
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228 |
| 2725 | 229 " complex number |
| 230 syn match rComplex "\<\d\+i" | |
| 231 syn match rComplex "\<\d\++\d\+i" | |
| 232 syn match rComplex "\<0x\([0-9]\|[a-f]\|[A-F]\)\+i" | |
| 233 syn match rComplex "\<\d\+\.\d*\([Ee][-+]\=\d\+\)\=i" | |
| 234 syn match rComplex "\<\.\d\+\([Ee][-+]\=\d\+\)\=i" | |
| 235 syn match rComplex "\<\d\+[Ee][-+]\=\d\+i" | |
| 236 | |
| 6476 | 237 syn match rAssign '=' |
| 2725 | 238 syn match rOperator "&" |
| 239 syn match rOperator '-' | |
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240 syn match rOperator '\*' |
| 2725 | 241 syn match rOperator '+' |
| 32061 | 242 if &filetype == "quarto" || &filetype == "rmd" || &filetype == "rrst" |
| 243 syn match rOperator "[|!<>^~`/:]" | |
| 244 else | |
| 4780 | 245 syn match rOperator "[|!<>^~/:]" |
| 246 endif | |
| 6051 | 247 syn match rOperator "%\{2}\|%\S\{-}%" |
| 6476 | 248 syn match rOperator '\([!><]\)\@<==' |
| 249 syn match rOperator '==' | |
| 32061 | 250 syn match rOperator '|>' |
| 4780 | 251 syn match rOpError '\*\{3}' |
| 2725 | 252 syn match rOpError '//' |
| 253 syn match rOpError '&&&' | |
| 254 syn match rOpError '|||' | |
| 255 syn match rOpError '<<' | |
| 256 syn match rOpError '>>' | |
| 257 | |
| 6476 | 258 syn match rAssign "<\{1,2}-" |
| 259 syn match rAssign "->\{1,2}" | |
| 7 | 260 |
| 261 " Special | |
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262 syn match rDelimiter "[,;:]" |
| 7 | 263 |
| 264 " Error | |
| 2725 | 265 if exists("g:r_syntax_folding") |
| 266 syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError fold | |
| 267 syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError fold | |
| 268 syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError fold | |
| 14637 | 269 syn region rSection matchgroup=Title start=/^#.*[-=#]\{4,}/ end=/^#.*[-=#]\{4,}/ms=s-2,me=s-1 transparent contains=ALL fold |
| 2725 | 270 else |
| 271 syn region rRegion matchgroup=Delimiter start=/(/ matchgroup=Delimiter end=/)/ transparent contains=ALLBUT,rError,rBraceError,rCurlyError | |
| 272 syn region rRegion matchgroup=Delimiter start=/{/ matchgroup=Delimiter end=/}/ transparent contains=ALLBUT,rError,rBraceError,rParenError | |
| 273 syn region rRegion matchgroup=Delimiter start=/\[/ matchgroup=Delimiter end=/]/ transparent contains=ALLBUT,rError,rCurlyError,rParenError | |
| 274 endif | |
| 275 | |
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276 syn match rError "[)\]}]" |
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277 syn match rBraceError "[)}]" contained |
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278 syn match rCurlyError "[)\]]" contained |
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279 syn match rParenError "[\]}]" contained |
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280 |
| 11347 | 281 " Use Nvim-R to highlight functions dynamically if it is installed |
| 282 if !exists("g:r_syntax_fun_pattern") | |
| 283 let s:ff = split(substitute(globpath(&rtp, "R/functions.vim"), "functions.vim", "", "g"), "\n") | |
| 284 if len(s:ff) > 0 | |
| 285 let g:r_syntax_fun_pattern = 0 | |
| 286 else | |
| 287 let g:r_syntax_fun_pattern = 1 | |
| 288 endif | |
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289 endif |
| 11347 | 290 |
| 291 " Only use Nvim-R to highlight functions if they should not be highlighted | |
| 292 " according to a generic pattern | |
| 293 if g:r_syntax_fun_pattern == 1 | |
| 294 syn match rFunction '[0-9a-zA-Z_\.]\+\s*\ze(' | |
| 295 else | |
| 14637 | 296 " Nvim-R: |
| 297 runtime R/functions.vim | |
| 6476 | 298 endif |
| 2725 | 299 |
| 300 syn match rDollar display contained "\$" | |
| 4780 | 301 syn match rDollar display contained "@" |
| 2725 | 302 |
| 303 " List elements will not be highlighted as functions: | |
| 304 syn match rLstElmt "\$[a-zA-Z0-9\\._]*" contains=rDollar | |
| 4780 | 305 syn match rLstElmt "@[a-zA-Z0-9\\._]*" contains=rDollar |
| 2725 | 306 |
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307 " Functions that may add new objects |
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308 syn keyword rPreProc library require attach detach source |
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309 |
| 2725 | 310 if &filetype == "rhelp" |
| 6051 | 311 syn match rHelpIdent '\\method' |
| 312 syn match rHelpIdent '\\S4method' | |
| 2725 | 313 endif |
| 314 | |
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315 " Type |
| 32061 | 316 syn match rType "\\" |
| 6476 | 317 syn keyword rType array category character complex double function integer list logical matrix numeric vector data.frame |
| 7 | 318 |
| 2725 | 319 " Name of object with spaces |
| 32061 | 320 if &filetype == "rmd" || &filetype == "rrst" || &filetype == "quarto" |
| 321 syn region rNameWSpace start="`" end="`" contains=rSpaceFun containedin=rmdrChunk | |
| 322 else | |
| 14637 | 323 syn region rNameWSpace start="`" end="`" contains=rSpaceFun |
| 4780 | 324 endif |
| 2725 | 325 |
| 326 if &filetype == "rhelp" | |
| 6476 | 327 syn match rhPreProc "^#ifdef.*" |
| 328 syn match rhPreProc "^#endif.*" | |
| 2725 | 329 syn match rhSection "\\dontrun\>" |
| 330 endif | |
| 331 | |
| 11347 | 332 if exists("r_syntax_minlines") |
| 333 exe "syn sync minlines=" . r_syntax_minlines | |
| 6476 | 334 else |
| 335 syn sync minlines=40 | |
| 336 endif | |
| 337 | |
| 7 | 338 " Define the default highlighting. |
| 6476 | 339 hi def link rAssign Statement |
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340 hi def link rBoolean Boolean |
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341 hi def link rBraceError Error |
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342 hi def link rComment Comment |
| 14637 | 343 hi def link rTodoParen Comment |
| 344 hi def link rTodoInfo SpecialComment | |
| 6051 | 345 hi def link rCommentTodo Todo |
| 14637 | 346 hi def link rTodoKeyw Todo |
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347 hi def link rComplex Number |
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348 hi def link rConditional Conditional |
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349 hi def link rConstant Constant |
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350 hi def link rCurlyError Error |
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351 hi def link rDelimiter Delimiter |
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352 hi def link rDollar SpecialChar |
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353 hi def link rError Error |
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354 hi def link rFloat Float |
| 2725 | 355 hi def link rFunction Function |
| 14637 | 356 hi def link rSpaceFun Function |
| 2725 | 357 hi def link rHelpIdent Identifier |
| 358 hi def link rhPreProc PreProc | |
| 359 hi def link rhSection PreCondit | |
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360 hi def link rInteger Number |
| 6476 | 361 hi def link rLstElmt Normal |
| 2725 | 362 hi def link rNameWSpace Normal |
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363 hi def link rNumber Number |
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364 hi def link rOperator Operator |
| 2725 | 365 hi def link rOpError Error |
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366 hi def link rParenError Error |
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367 hi def link rPreProc PreProc |
| 24520 | 368 hi def link rRawString String |
| 369 hi def link rRawStrDelim Delimiter | |
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370 hi def link rRepeat Repeat |
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371 hi def link rSpecial SpecialChar |
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372 hi def link rStatement Statement |
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373 hi def link rString String |
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374 hi def link rStrError Error |
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375 hi def link rType Type |
| 11347 | 376 if g:r_syntax_hl_roxygen |
| 377 hi def link rOTitleTag Operator | |
| 378 hi def link rOTag Operator | |
| 379 hi def link rOTitleBlock Title | |
| 380 hi def link rOBlock Comment | |
| 381 hi def link rOBlockNoTitle Comment | |
| 24520 | 382 hi def link rOR6Block Comment |
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383 hi def link rOTitle Title |
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384 hi def link rOCommentKey Comment |
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385 hi def link rOExamples SpecialComment |
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386 endif |
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387 |
| 7 | 388 let b:current_syntax="r" |
| 389 | |
| 390 " vim: ts=8 sw=2 |