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scanner: fix a string overflow

pull/1714/head
Alexander Medvednikov 2019-08-23 03:28:25 +03:00
parent 8f1bf6033e
commit df593870ae
1 changed files with 4 additions and 1 deletions
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5
compiler/scanner.v
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@ -564,9 +564,12 @@ fn (s mut Scanner) scan() ScanRes {
} }
fn (s &Scanner) find_current_line_start_position() int { fn (s &Scanner) find_current_line_start_position() int {
if s.pos >= s.text.len {
return s.pos
}
mut linestart := s.pos mut linestart := s.pos
for { for {
if linestart <= 0 {break} if linestart <= 0 {break}
if s.text[linestart] == 10 || s.text[linestart] == 13 { break } if s.text[linestart] == 10 || s.text[linestart] == 13 { break }
linestart-- linestart--
} }