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Fix an arithmetic overflow in reparser

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pcpthm
2019-03-22 02:22:06 +09:00
parent 4c7142d0c9
commit 0acb61a911
3 changed files with 11 additions and 5 deletions
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4
crates/ra_syntax/src/parsing/reparsing.rs
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@@ -130,11 +130,11 @@ fn merge_errors(
if e.offset() <= old_node.range().start() {
res.push(e)
} else if e.offset() >= old_node.range().end() {
res.push(e.add_offset(TextUnit::of_str(&edit.insert) - edit.delete.len()));
res.push(e.add_offset(TextUnit::of_str(&edit.insert), edit.delete.len()));
}
}
for e in new_errors {
res.push(e.add_offset(old_node.range().start()));
res.push(e.add_offset(old_node.range().start(), 0.into()));
}
res
}