gitea/vendor/github.com/alecthomas/chroma/lexers/t/tex.go
6543 86e2789960
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

61 lines
1.4 KiB
Go
Vendored

package t
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Tex lexer.
var TeX = internal.Register(MustNewLazyLexer(
&Config{
Name: "TeX",
Aliases: []string{"tex", "latex"},
Filenames: []string{"*.tex", "*.aux", "*.toc"},
MimeTypes: []string{"text/x-tex", "text/x-latex"},
},
texRules,
))
func texRules() Rules {
return Rules{
"general": {
{`%.*?\n`, Comment, nil},
{`[{}]`, NameBuiltin, nil},
{`[&_^]`, NameBuiltin, nil},
},
"root": {
{`\\\[`, LiteralStringBacktick, Push("displaymath")},
{`\\\(`, LiteralString, Push("inlinemath")},
{`\$\$`, LiteralStringBacktick, Push("displaymath")},
{`\$`, LiteralString, Push("inlinemath")},
{`\\([a-zA-Z]+|.)`, Keyword, Push("command")},
{`\\$`, Keyword, nil},
Include("general"),
{`[^\\$%&_^{}]+`, Text, nil},
},
"math": {
{`\\([a-zA-Z]+|.)`, NameVariable, nil},
Include("general"),
{`[0-9]+`, LiteralNumber, nil},
{`[-=!+*/()\[\]]`, Operator, nil},
{`[^=!+*/()\[\]\\$%&_^{}0-9-]+`, NameBuiltin, nil},
},
"inlinemath": {
{`\\\)`, LiteralString, Pop(1)},
{`\$`, LiteralString, Pop(1)},
Include("math"),
},
"displaymath": {
{`\\\]`, LiteralString, Pop(1)},
{`\$\$`, LiteralString, Pop(1)},
{`\$`, NameBuiltin, nil},
Include("math"),
},
"command": {
{`\[.*?\]`, NameAttribute, nil},
{`\*`, Keyword, nil},
Default(Pop(1)),
},
}
}