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r.go
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package r
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// R/S lexer.
var R = internal.Register(MustNewLexer(
&Config{
Name: "R",
Aliases: []string{"splus", "s", "r"},
Filenames: []string{"*.S", "*.R", "*.r", ".Rhistory", ".Rprofile", ".Renviron"},
MimeTypes: []string{"text/S-plus", "text/S", "text/x-r-source", "text/x-r", "text/x-R", "text/x-r-history", "text/x-r-profile"},
},
Rules{
"comments": {
{`#.*$`, CommentSingle, nil},
},
"valid_name": {
{`[a-zA-Z][\w.]*`, Text, nil},
{`\.[a-zA-Z_][\w.]*`, Text, nil},
},
"punctuation": {
{`\[{1,2}|\]{1,2}|\(|\)|;|,`, Punctuation, nil},
},
"keywords": {
{Words(``, `(?![\w. =])`, `Arg`, `Conj`, `Cstack_info`, `Encoding`, `FALSE`, `Filter`, `Find`, `I`, `ISOdate`, `ISOdatetime`, `Im`, `Inf`, `La.svd`, `Map`, `Math.Date`, `Math.POSIXt`, `Math.data.frame`, `Math.difftime`, `Math.factor`, `Mod`, `NA_character_`, `NA_complex_`, `NA_real_`, `NCOL`, `NROW`, `NULLNA_integer_`, `NaN`, `Negate`, `NextMethod`, `Ops.Date`, `Ops.POSIXt`, `Ops.data.frame`, `Ops.difftime`, `Ops.factor`, `Ops.numeric_version`, `Ops.ordered`, `Position`, `R.Version`, `R.home`, `R.version`, `R.version.string`, `RNGkind`, `RNGversion`, `R_system_version`, `Re`, `Recall`, `Reduce`, `Summary.Date`, `Summary.POSIXct`, `Summary.POSIXlt`, `Summary.data.frame`, `Summary.difftime`, `Summary.factor`, `Summary.numeric_version`, `Summary.ordered`, `Sys.Date`, `Sys.chmod`, `Sys.getenv`, `Sys.getlocale`, `Sys.getpid`, `Sys.glob`, `Sys.info`, `Sys.localeconv`, `Sys.readlink`, `Sys.setFileTime`, `Sys.setenv`, `Sys.setlocale`, `Sys.sleep`, `Sys.time`, `Sys.timezone`, `Sys.umask`, `Sys.unsetenv`, `Sys.which`, `TRUE`, `UseMethod`, `Vectorize`, `abbreviate`, `abs`, `acos`, `acosh`, `addNA`, `addTaskCallback`, `agrep`, `alist`, `all`, `all.equal`, `all.equal.POSIXct`, `all.equal.character`, `all.equal.default`, `all.equal.factor`, `all.equal.formula`, `all.equal.language`, `all.equal.list`, `all.equal.numeric`, `all.equal.raw`, `all.names`, `all.vars`, `any`, `anyDuplicated`, `anyDuplicated.array`, `anyDuplicated.data.frame`, `anyDuplicated.default`, `anyDuplicated.matrix`, `aperm`, `aperm.default`, `aperm.table`, `append`, `apply`, `args`, `arrayInd`, `as.Date`, `as.Date.POSIXct`, `as.Date.POSIXlt`, `as.Date.character`, `as.Date.date`, `as.Date.dates`, `as.Date.default`, `as.Date.factor`, `as.Date.numeric`, `as.POSIXct`, `as.POSIXct.Date`, `as.POSIXct.POSIXlt`, `as.POSIXct.date`, `as.POSIXct.dates`, `as.POSIXct.default`, `as.POSIXct.numeric`, `as.POSIXlt`, `as.POSIXlt.Date`, `as.POSIXlt.POSIXct`, `as.POSIXlt.character`, `as.POSIXlt.date`, `as.POSIXlt.dates`, `as.POSIXlt.default`, `as.POSIXlt.factor`, `as.POSIXlt.numeric`, `as.array`, `as.array.default`, `as.call`, `as.character`, `as.character.Date`, `as.character.POSIXt`, `as.character.condition`, `as.character.default`, `as.character.error`, `as.character.factor`, `as.character.hexmode`, `as.character.numeric_version`, `as.character.octmode`, `as.character.srcref`, `as.complex`, `as.data.frame`, `as.data.frame.AsIs`, `as.data.frame.Date`, `as.data.frame.POSIXct`, `as.data.frame.POSIXlt`, `as.data.frame.array`, `as.data.frame.character`, `as.data.frame.complex`, `as.data.frame.data.frame`, `as.data.frame.default`, `as.data.frame.difftime`, `as.data.frame.factor`, `as.data.frame.integer`, `as.data.frame.list`, `as.data.frame.logical`, `as.data.frame.matrix`, `as.data.frame.model.matrix`, `as.data.frame.numeric`, `as.data.frame.numeric_version`, `as.data.frame.ordered`, `as.data.frame.raw`, `as.data.frame.table`, `as.data.frame.ts`, `as.data.frame.vector`, `as.difftime`, `as.double`, `as.double.POSIXlt`, `as.double.difftime`, `as.environment`, `as.expression`, `as.expression.default`, `as.factor`, `as.function`, `as.function.default`, `as.hexmode`, `as.integer`, `as.list`, `as.list.Date`, `as.list.POSIXct`, `as.list.data.frame`, `as.list.default`, `as.list.environment`, `as.list.factor`, `as.list.function`, `as.list.numeric_version`, `as.logical`, `as.logical.factor`, `as.matrix`, `as.matrix.POSIXlt`, `as.matrix.data.frame`, `as.matrix.default`, `as.matrix.noquote`, `as.name`, `as.null`, `as.null.default`, `as.numeric`, `as.numeric_version`, `as.octmode`, `as.ordered`, `as.package_version`, `as.pairlist`, `as.qr`, `as.raw`, `as.single`, `as.single.default`, `as.symbol`, `as.table`, `as.table.default`, `as.vector`, `as.vector.factor`, `asNamespace`, `asS3`, `asS4`, `asin`, `asinh`, `assign`, `atan`, `atan2`, `atanh`, `attachNamespace`, `attr`, `attr.all.equal`, `attributes`, `autoload`, `autoloader`, `backsolve`, `baseenv`, `basename`, `besselI`, `besselJ`, `besselK`, `besselY`, `beta`, `bindingIsActive`, `bindingIsLocked`, `bindtextdomain`, `bitwAnd`, `bitwNot`, `bitwOr`, `bitwShiftL`, `bitwShiftR`, `bitwXor`, `body`, `bquote`, `browser`, `browserCondition`, `browserSetDebug`, `browserText`, `builtins`, `by`, `by.data.frame`, `by.default`, `bzfile`, `c.Date`, `c.POSIXct`, `c.POSIXlt`, `c.noquote`, `c.numeric_version`, `call`, `callCC`, `capabilities`, `casefold`, `cat`, `category`, `cbind`, `cbind.data.frame`, `ceiling`, `char.expand`, `charToRaw`, `charmatch`, `chartr`, `check_tzones`, `chol`, `chol.default`, `chol2inv`, `choose`, `class`, `clearPushBack`, `close`, `close.connection`, `close.srcfile`, `close.srcfilealias`, `closeAllConnections`, `col`, `colMeans`, `colSums`, `colnames`, `commandArgs`, `comment`, `computeRestarts`, `conditionCall`, `conditionCall.condition`, `conditionMessage`, `conditionMessage.condition`, `conflicts`, `contributors`, `cos`, `cosh`, `crossprod`, `cummax`, `cummin`, `cumprod`, `cumsum`, `cut`, `cut.Date`, `cut.POSIXt`, `cut.default`, `dQuote`, `data.class`, `data.matrix`, `date`, `debug`, `debugonce`, `default.stringsAsFactors`, `delayedAssign`, `deparse`, `det`, `determinant`, `determinant.matrix`, `dget`, `diag`, `diff`, `diff.Date`, `diff.POSIXt`, `diff.default`, `difftime`, `digamma`, `dim`, `dim.data.frame`, `dimnames`, `dimnames.data.frame`, `dir`, `dir.create`, `dirname`, `do.call`, `dput`, `drop`, `droplevels`, `droplevels.data.frame`, `droplevels.factor`, `dump`, `duplicated`, `duplicated.POSIXlt`, `duplicated.array`, `duplicated.data.frame`, `duplicated.default`, `duplicated.matrix`, `duplicated.numeric_version`, `dyn.load`, `dyn.unload`, `eapply`, `eigen`, `else`, `emptyenv`, `enc2native`, `enc2utf8`, `encodeString`, `enquote`, `env.profile`, `environment`, `environmentIsLocked`, `environmentName`, `eval`, `eval.parent`, `evalq`, `exists`, `exp`, `expand.grid`, `expm1`, `expression`, `factor`, `factorial`, `fifo`, `file`, `file.access`, `file.append`, `file.choose`, `file.copy`, `file.create`, `file.exists`, `file.info`, `file.link`, `file.path`, `file.remove`, `file.rename`, `file.show`, `file.symlink`, `find.package`, `findInterval`, `findPackageEnv`, `findRestart`, `floor`, `flush`, `flush.connection`, `force`, `formals`, `format`, `format.AsIs`, `format.Date`, `format.POSIXct`, `format.POSIXlt`, `format.data.frame`, `format.default`, `format.difftime`, `format.factor`, `format.hexmode`, `format.info`, `format.libraryIQR`, `format.numeric_version`, `format.octmode`, `format.packageInfo`, `format.pval`, `format.summaryDefault`, `formatC`, `formatDL`, `forwardsolve`, `gamma`, `gc`, `gc.time`, `gcinfo`, `gctorture`, `gctorture2`, `get`, `getAllConnections`, `getCallingDLL`, `getCallingDLLe`, `getConnection`, `getDLLRegisteredRoutines`, `getDLLRegisteredRoutines.DLLInfo`, `getDLLRegisteredRoutines.character`, `getElement`, `getExportedValue`, `getHook`, `getLoadedDLLs`, `getNamespace`, `getNamespaceExports`, `getNamespaceImports`, `getNamespaceInfo`, `getNamespaceName`, `getNamespaceUsers`, `getNamespaceVersion`, `getNativeSymbolInfo`, `getOption`, `getRversion`, `getSrcLines`, `getTaskCallbackNames`, `geterrmessage`, `gettext`, `gettextf`, `getwd`, `gl`, `globalenv`, `gregexpr`, `grep`, `grepRaw`, `grepl`, `gsub`, `gzcon`, `gzfile`, `head`, `iconv`, `iconvlist`, `icuSetCollate`, `identical`, `identity`, `ifelse`, `importIntoEnv`, `in`, `inherits`, `intToBits`, `intToUtf8`, `interaction`, `interactive`, `intersect`, `inverse.rle`, `invisible`, `invokeRestart`, `invokeRestartInteractively`, `is.R`, `is.array`, `is.atomic`, `is.call`, `is.character`, `is.complex`, `is.data.frame`, `is.double`, `is.element`, `is.environment`, `is.expression`, `is.factor`, `is.finite`, `is.function`, `is.infinite`, `is.integer`, `is.language`, `is.list`, `is.loaded`, `is.logical`, `is.matrix`, `is.na`, `is.na.POSIXlt`, `is.na.data.frame`, `is.na.numeric_version`, `is.name`, `is.nan`, `is.null`, `is.numeric`, `is.numeric.Date`, `is.numeric.POSIXt`, `is.numeric.difftime`, `is.numeric_version`, `is.object`, `is.ordered`, `is.package_version`, `is.pairlist`, `is.primitive`, `is.qr`, `is.raw`, `is.recursive`, `is.single`, `is.symbol`, `is.table`, `is.unsorted`, `is.vector`, `isBaseNamespace`, `isIncomplete`, `isNamespace`, `isOpen`, `isRestart`, `isS4`, `isSeekable`, `isSymmetric`, `isSymmetric.matrix`, `isTRUE`, `isatty`, `isdebugged`, `jitter`, `julian`, `julian.Date`, `julian.POSIXt`, `kappa`, `kappa.default`, `kappa.lm`, `kappa.qr`, `kronecker`, `l10n_info`, `labels`, `labels.default`, `lapply`, `lazyLoad`, `lazyLoadDBexec`, `lazyLoadDBfetch`, `lbeta`, `lchoose`, `length`, `length.POSIXlt`, `letters`, `levels`, `levels.default`, `lfactorial`, `lgamma`, `library.dynam`, `library.dynam.unload`, `licence`, `license`, `list.dirs`, `list.files`, `list2env`, `load`, `loadNamespace`, `loadedNamespaces`, `loadingNamespaceInfo`, `local`, `lockBinding`, `lockEnvironment`, `log`, `log10`, `log1p`, `log2`, `logb`, `lower.tri`, `ls`, `make.names`, `make.unique`, `makeActiveBinding`, `mapply`, `margin.table`, `mat.or.vec`, `match`, `match.arg`, `match.call`, `match.fun`, `max`, `max.col`, `mean`, `mean.Date`, `mean.POSIXct`, `mean.POSIXlt`, `mean.default`, `mean.difftime`, `mem.limits`, `memCompress`, `memDecompress`, `memory.profile`, `merge`, `merge.data.frame`, `merge.default`, `message`, `mget`, `min`, `missing`, `mode`, `month.abb`, `month.name`, `months`, `months.Date`, `months.POSIXt`, `months.abb`, `months.nameletters`, `names`, `names.POSIXlt`, `namespaceExport`, `namespaceImport`, `namespaceImportClasses`, `namespaceImportFrom`, `namespaceImportMethods`, `nargs`, `nchar`, `ncol`, `new.env`, `ngettext`, `nlevels`, `noquote`, `norm`, `normalizePath`, `nrow`, `numeric_version`, `nzchar`, `objects`, `oldClass`, `on.exit`, `open`, `open.connection`, `open.srcfile`, `open.srcfilealias`, `open.srcfilecopy`, `options`, `order`, `ordered`, `outer`, `packBits`, `packageEvent`, `packageHasNamespace`, `packageStartupMessage`, `package_version`, `pairlist`, `parent.env`, `parent.frame`, `parse`, `parseNamespaceFile`, `paste`, `paste0`, `path.expand`, `path.package`, `pipe`, `pmatch`, `pmax`, `pmax.int`, `pmin`, `pmin.int`, `polyroot`, `pos.to.env`, `pretty`, `pretty.default`, `prettyNum`, `print`, `print.AsIs`, `print.DLLInfo`, `print.DLLInfoList`, `print.DLLRegisteredRoutines`, `print.Date`, `print.NativeRoutineList`, `print.POSIXct`, `print.POSIXlt`, `print.by`, `print.condition`, `print.connection`, `print.data.frame`, `print.default`, `print.difftime`, `print.factor`, `print.function`, `print.hexmode`, `print.libraryIQR`, `print.listof`, `print.noquote`, `print.numeric_version`, `print.octmode`, `print.packageInfo`, `print.proc_time`, `print.restart`, `print.rle`, `print.simple.list`, `print.srcfile`, `print.srcref`, `print.summary.table`, `print.summaryDefault`, `print.table`, `print.warnings`, `prmatrix`, `proc.time`, `prod`, `prop.table`, `provideDimnames`, `psigamma`, `pushBack`, `pushBackLength`, `q`, `qr`, `qr.Q`, `qr.R`, `qr.X`, `qr.coef`, `qr.default`, `qr.fitted`, `qr.qty`, `qr.qy`, `qr.resid`, `qr.solve`, `quarters`, `quarters.Date`, `quarters.POSIXt`, `quit`, `quote`, `range`, `range.default`, `rank`, `rapply`, `raw`, `rawConnection`, `rawConnectionValue`, `rawShift`, `rawToBits`, `rawToChar`, `rbind`, `rbind.data.frame`, `rcond`, `read.dcf`, `readBin`, `readChar`, `readLines`, `readRDS`, `readRenviron`, `readline`, `reg.finalizer`, `regexec`, `regexpr`, `registerS3method`, `registerS3methods`, `regmatches`, `remove`, `removeTaskCallback`, `rep`, `rep.Date`, `rep.POSIXct`, `rep.POSIXlt`, `rep.factor`, `rep.int`, `rep.numeric_version`, `rep_len`, `replace`, `replicate`, `requireNamespace`, `restartDescription`, `restartFormals`, `retracemem`, `rev`, `rev.default`, `rle`, `rm`, `round`, `round.Date`, `round.POSIXt`, `row`, `row.names`, `row.names.data.frame`, `row.names.default`, `rowMeans`, `rowSums`, `rownames`, `rowsum`, `rowsum.data.frame`, `rowsum.default`, `sQuote`, `sample`, `sample.int`, `sapply`, `save`, `save.image`, `saveRDS`, `scale`, `scale.default`, `scan`, `search`, `searchpaths`, `seek`, `seek.connection`, `seq`, `seq.Date`, `seq.POSIXt`, `seq.default`, `seq.int`, `seq_along`, `seq_len`, `sequence`, `serialize`, `set.seed`, `setHook`, `setNamespaceInfo`, `setSessionTimeLimit`, `setTimeLimit`, `setdiff`, `setequal`, `setwd`, `shQuote`, `showConnections`, `sign`, `signalCondition`, `signif`, `simpleCondition`, `simpleError`, `simpleMessage`, `simpleWarning`, `simplify2array`, `sin`, `single`, `sinh`, `sink`, `sink.number`, `slice.index`, `socketConnection`, `socketSelect`, `solve`, `solve.default`, `solve.qr`, `sort`, `sort.POSIXlt`, `sort.default`, `sort.int`, `sort.list`, `split`, `split.Date`, `split.POSIXct`, `split.data.frame`, `split.default`, `sprintf`, `sqrt`, `srcfile`, `srcfilealias`, `srcfilecopy`, `srcref`, `standardGeneric`, `stderr`, `stdin`, `stdout`, `stop`, `stopifnot`, `storage.mode`, `strftime`, `strptime`, `strsplit`, `strtoi`, `strtrim`, `structure`, `strwrap`, `sub`, `subset`, `subset.data.frame`, `subset.default`, `subset.matrix`, `substitute`, `substr`, `substring`, `sum`, `summary`, `summary.Date`, `summary.POSIXct`, `summary.POSIXlt`, `summary.connection`, `summary.data.frame`, `summary.default`, `summary.factor`, `summary.matrix`, `summary.proc_time`, `summary.srcfile`, `summary.srcref`, `summary.table`, `suppressMessages`, `suppressPackageStartupMessages`, `suppressWarnings`, `svd`, `sweep`, `sys.call`, `sys.calls`, `sys.frame`, `sys.frames`, `sys.function`, `sys.load.image`, `sys.nframe`, `sys.on.exit`, `sys.parent`, `sys.parents`, `sys.save.image`, `sys.source`, `sys.status`, `system`, `system.file`, `system.time`, `system2`, `t`, `t.data.frame`, `t.default`, `table`, `tabulate`, `tail`, `tan`, `tanh`, `tapply`, `taskCallbackManager`, `tcrossprod`, `tempdir`, `tempfile`, `testPlatformEquivalence`, `textConnection`, `textConnectionValue`, `toString`, `toString.default`, `tolower`, `topenv`, `toupper`, `trace`, `traceback`, `tracemem`, `tracingState`, `transform`, `transform.data.frame`, `transform.default`, `trigamma`, `trunc`, `trunc.Date`, `trunc.POSIXt`, `truncate`, `truncate.connection`, `try`, `tryCatch`, `typeof`, `unclass`, `undebug`, `union`, `unique`, `unique.POSIXlt`, `unique.array`, `unique.data.frame`, `unique.default`, `unique.matrix`, `unique.numeric_version`, `units`, `units.difftime`, `unix.time`, `unlink`, `unlist`, `unloadNamespace`, `unlockBinding`, `unname`, `unserialize`, `unsplit`, `untrace`, `untracemem`, `unz`, `upper.tri`, `url`, `utf8ToInt`, `vapply`, `version`, `warning`, `warnings`, `weekdays`, `weekdays.Date`, `weekdays.POSIXt`, `which`, `which.max`, `which.min`, `with`, `with.default`, `withCallingHandlers`, `withRestarts`, `withVisible`, `within`, `within.data.frame`, `within.list`, `write`, `write.dcf`, `writeBin`, `writeChar`, `writeLines`, `xor`, `xor.hexmode`, `xor.octmode`, `xpdrows.data.frame`, `xtfrm`, `xtfrm.AsIs`, `xtfrm.Date`, `xtfrm.POSIXct`, `xtfrm.POSIXlt`, `xtfrm.Surv`, `xtfrm.default`, `xtfrm.difftime`, `xtfrm.factor`, `xtfrm.numeric_version`, `xzfile`, `zapsmall`), KeywordPseudo, nil},
{`(if|else|for|while|repeat|in|next|break|return|switch|function)(?![\w.])`, KeywordReserved, nil},
{`(array|category|character|complex|double|function|integer|list|logical|matrix|numeric|vector|data.frame|c)(?![\w.])`, KeywordType, nil},
{`(library|require|attach|detach|source)(?![\w.])`, KeywordNamespace, nil},
},
"operators": {
{`<<?-|->>?|-|==|<=|>=|<|>|&&?|!=|\|\|?|\?`, Operator, nil},
{`\*|\+|\^|/|!|%[^%]*%|=|~|\$|@|:{1,3}`, Operator, nil},
},
"builtin_symbols": {
{`(NULL|NA(_(integer|real|complex|character)_)?|letters|LETTERS|Inf|TRUE|FALSE|NaN|pi|\.\.(\.|[0-9]+))(?![\w.])`, KeywordConstant, nil},
{`(T|F)\b`, NameBuiltinPseudo, nil},
},
"numbers": {
{`0[xX][a-fA-F0-9]+([pP][0-9]+)?[Li]?`, LiteralNumberHex, nil},
{`[+-]?([0-9]+(\.[0-9]+)?|\.[0-9]+|\.)([eE][+-]?[0-9]+)?[Li]?`, LiteralNumber, nil},
},
"statements": {
Include("comments"),
{`\s+`, Text, nil},
{"`.*?`", LiteralStringBacktick, nil},
{`\'`, LiteralString, Push("string_squote")},
{`\"`, LiteralString, Push("string_dquote")},
Include("builtin_symbols"),
Include("numbers"),
Include("keywords"),
Include("punctuation"),
Include("operators"),
Include("valid_name"),
},
"root": {
Include("statements"),
{`\{|\}`, Punctuation, nil},
{`.`, Text, nil},
},
"string_squote": {
{`([^\'\\]|\\.)*\'`, LiteralString, Pop(1)},
},
"string_dquote": {
{`([^"\\]|\\.)*"`, LiteralString, Pop(1)},
},
},
))