/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/b/brainfuck.go is in golang-github-alecthomas-chroma-dev 0.4.0+git20180402.51d250f-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 | package b
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Brainfuck lexer.
var Brainfuck = internal.Register(MustNewLexer(
&Config{
Name: "Brainfuck",
Aliases: []string{"brainfuck", "bf"},
Filenames: []string{"*.bf", "*.b"},
MimeTypes: []string{"application/x-brainfuck"},
},
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"),
},
},
))
|