/usr/share/gocode/src/github.com/alecthomas/chroma/coalesce.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 | package chroma
// Coalesce is a Lexer interceptor that collapses runs of common types into a single token.
func Coalesce(lexer Lexer) Lexer { return &coalescer{lexer} }
type coalescer struct{ Lexer }
func (d *coalescer) Tokenise(options *TokeniseOptions, text string) (Iterator, error) {
var prev *Token
it, err := d.Lexer.Tokenise(options, text)
if err != nil {
return nil, err
}
return func() *Token {
for token := it(); token != nil; token = it() {
if len(token.Value) == 0 {
continue
}
if prev == nil {
prev = token
} else {
if prev.Type == token.Type && len(prev.Value) < 8192 {
prev.Value += token.Value
} else {
out := prev
prev = token
return out
}
}
}
out := prev
prev = nil
return out
}, nil
}
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