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gitea/vendor/github.com/alecthomas/chroma/lexers/r/r.go
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Vendor Update (#16121)
* update github.com/PuerkitoBio/goquery

* update github.com/alecthomas/chroma

* update github.com/blevesearch/bleve/v2

* update github.com/caddyserver/certmagic

* update github.com/go-enry/go-enry/v2

* update github.com/go-git/go-billy/v5

* update github.com/go-git/go-git/v5

* update github.com/go-redis/redis/v8

* update github.com/go-testfixtures/testfixtures/v3

* update github.com/jaytaylor/html2text

* update github.com/json-iterator/go

* update github.com/klauspost/compress

* update github.com/markbates/goth

* update github.com/mattn/go-isatty

* update github.com/mholt/archiver/v3

* update github.com/microcosm-cc/bluemonday

* update github.com/minio/minio-go/v7

* update github.com/prometheus/client_golang

* update github.com/unrolled/render

* update github.com/xanzy/go-gitlab

* update github.com/yuin/goldmark

* update github.com/yuin/goldmark-highlighting

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2021-06-10 16:44:25 +02:00

70 lines
2 KiB
Go
Vendored

package r
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// R/S lexer.
var R = internal.Register(MustNewLazyLexer(
&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"},
},
rRules,
))
func rRules() Rules {
return Rules{
"comments": {
{`#.*$`, CommentSingle, nil},
},
"valid_name": {
{"(?:`[^`\\\\]*(?:\\\\.[^`\\\\]*)*`)|(?:(?:[a-zA-z]|[_.][^0-9])[\\w_.]*)", Name, nil},
},
"punctuation": {
{`\[{1,2}|\]{1,2}|\(|\)|;|,`, Punctuation, nil},
},
"keywords": {
{`(if|else|for|while|repeat|in|next|break|return|switch|function)(?![\w.])`, KeywordReserved, 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},
{`\'`, LiteralString, Push("string_squote")},
{`\"`, LiteralString, Push("string_dquote")},
Include("builtin_symbols"),
Include("valid_name"),
Include("numbers"),
Include("keywords"),
Include("punctuation"),
Include("operators"),
},
"root": {
{"((?:`[^`\\\\]*(?:\\\\.[^`\\\\]*)*`)|(?:(?:[a-zA-z]|[_.][^0-9])[\\w_.]*))\\s*(?=\\()", NameFunction, nil},
Include("statements"),
{`\{|\}`, Punctuation, nil},
{`.`, Text, nil},
},
"string_squote": {
{`([^\'\\]|\\.)*\'`, LiteralString, Pop(1)},
},
"string_dquote": {
{`([^"\\]|\\.)*"`, LiteralString, Pop(1)},
},
}
}