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gitea/vendor/github.com/alecthomas/chroma/lexers/b/brainfuck.go

38 lines
769 B

package b
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Brainfuck lexer.
var Brainfuck = internal.Register(MustNewLazyLexer(
&Config{
Name: "Brainfuck",
Aliases: []string{"brainfuck", "bf"},
Filenames: []string{"*.bf", "*.b"},
MimeTypes: []string{"application/x-brainfuck"},
},
brainfuckRules,
))
func brainfuckRules() Rules {
return Rules{
"common": {
{`[.,]+`, NameTag, nil},
{`[+-]+`, NameBuiltin, nil},
{`[<>]+`, NameVariable, nil},
{`[^.,+\-<>\[\]]+`, Comment, nil},
},
"root": {
{`\[`, Keyword, Push("loop")},
{`\]`, Error, nil},
Include("common"),
},
"loop": {
{`\[`, Keyword, Push()},
{`\]`, Keyword, Pop(1)},
Include("common"),
},
}
}