/usr/share/gocode/src/github.com/alecthomas/chroma/iterator.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 | package chroma
// An Iterator across tokens.
//
// nil will be returned at the end of the Token stream.
//
// If an error occurs within an Iterator, it may propagate this in a panic. Formatters should recover.
type Iterator func() *Token
// Tokens consumes all tokens from the iterator and returns them as a slice.
func (i Iterator) Tokens() []*Token {
out := []*Token{}
for t := i(); t != nil; t = i() {
out = append(out, t)
}
return out
}
// Concaterator concatenates tokens from a series of iterators.
func Concaterator(iterators ...Iterator) Iterator {
return func() *Token {
for len(iterators) > 0 {
t := iterators[0]()
if t != nil {
return t
}
iterators = iterators[1:]
}
return nil
}
}
// Literator converts a sequence of literal Tokens into an Iterator.
func Literator(tokens ...*Token) Iterator {
return func() (out *Token) {
if len(tokens) == 0 {
return nil
}
token := tokens[0]
tokens = tokens[1:]
return token
}
}
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