/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/e/ebnf.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 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | 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},
},
},
))
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