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internal/lsp/source: fix nil pointer in extract function

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Ran into this while debugging another issue.

Change-Id: I154493418c7676a24457a4e11431ad4f0311c07a
Reviewed-on: https://go-review.googlesource.com/c/tools/+/246757
Run-TryBot: Rebecca Stambler <rstambler@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Josh Baum <joshbaum@google.com>
This commit is contained in:
Rebecca Stambler 2020-08-04 15:26:40 -04:00
parent e5d681aac7
commit d55f2eddcb
1 changed files with 2 additions and 2 deletions
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4
internal/lsp/source/extract.go
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@ -477,8 +477,8 @@ func adjustRangeForWhitespace(rng span.Range, tok *token.File, content []byte) s
rng.Start = tok.Pos(offset)
offset = tok.Offset(rng.End)
for offset-1 >= 0 {
if !unicode.IsSpace(rune(content[offset-1])) {
for o := offset - 1; 0 <= o && o < len(content); {
if !unicode.IsSpace(rune(content[o])) {
break
}
// Move backwards one byte to find a non-whitespace character.