review comment

This commit is contained in:
Esteban Küber 2018-01-23 13:53:08 -08:00
parent d0bd090efb
commit fa7767e1ea

View file

@ -598,18 +598,16 @@ impl CodeMap {
/// If `sp` points to `"let mut x"`, then a span pointing at `"let "` will be returned.
pub fn span_until_non_whitespace(&self, sp: Span) -> Span {
if let Ok(snippet) = self.span_to_snippet(sp) {
let mut offset = 0;
let mut pos = 0;
let mut offset = 1;
// get the bytes width of all the non-whitespace characters
for (i, c) in snippet.chars().take_while(|c| !c.is_whitespace()).enumerate() {
for c in snippet.chars().take_while(|c| !c.is_whitespace()) {
offset += c.len_utf8();
pos = i + 1;
}
// get the bytes width of all the whitespace characters after that
for c in snippet[pos..].chars().take_while(|c| c.is_whitespace()) {
for c in snippet[offset..].chars().take_while(|c| c.is_whitespace()) {
offset += c.len_utf8();
}
if offset != 0 {
if offset > 1 {
return sp.with_hi(BytePos(sp.lo().0 + offset as u32));
}
}