gitea-tea/vendor/github.com/alecthomas/chroma/lexers/e/ebnf.go
6543 89e93d90b3 Use glamour and termev to render/colorize content (#181)
Merge branch 'master' into use-glamour

select Glamour Theme based on BackgroundColor

Merge branch 'master' into use-glamour

Merge branch 'master' into use-glamour

update termev

update go.mod

label color colorate

use glamour for issue content

Vendor: Add glamour

Co-authored-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: 6543 <6543@obermui.de>
Reviewed-on: https://gitea.com/gitea/tea/pulls/181
Reviewed-by: techknowlogick <techknowlogick@gitea.io>
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
2020-09-19 16:00:50 +00:00

52 lines
1.1 KiB
Go

package e
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Ebnf lexer.
var Ebnf = internal.Register(MustNewLexer(
&Config{
Name: "EBNF",
Aliases: []string{"ebnf"},
Filenames: []string{"*.ebnf"},
MimeTypes: []string{"text/x-ebnf"},
},
Rules{
"root": {
Include("whitespace"),
Include("comment_start"),
Include("identifier"),
{`=`, Operator, Push("production")},
},
"production": {
Include("whitespace"),
Include("comment_start"),
Include("identifier"),
{`"[^"]*"`, LiteralStringDouble, nil},
{`'[^']*'`, LiteralStringSingle, nil},
{`(\?[^?]*\?)`, NameEntity, nil},
{`[\[\]{}(),|]`, Punctuation, nil},
{`-`, Operator, nil},
{`;`, Punctuation, Pop(1)},
{`\.`, Punctuation, Pop(1)},
},
"whitespace": {
{`\s+`, Text, nil},
},
"comment_start": {
{`\(\*`, CommentMultiline, Push("comment")},
},
"comment": {
{`[^*)]`, CommentMultiline, nil},
Include("comment_start"),
{`\*\)`, CommentMultiline, Pop(1)},
{`[*)]`, CommentMultiline, nil},
},
"identifier": {
{`([a-zA-Z][\w \-]*)`, Keyword, nil},
},
},
))