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error out if loops are too large

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schaeff 2023-02-23 11:26:57 +01:00
parent ea74d512bf
commit 35c1a9686b
1 changed files with 5 additions and 0 deletions
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5
zokrates_analysis/src/reducer/mod.rs
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@ -286,6 +286,11 @@ impl<'ast, 'a, T: Field> ResultFolder<'ast, T> for Reducer<'ast, 'a, T> {
let to = self.propagator.fold_uint_expression(to)?;
match (from.as_inner(), to.as_inner()) {
(UExpressionInner::Value(from), UExpressionInner::Value(to))
if to - from > MAX_FOR_LOOP_SIZE =>
{
Err(Error::LoopTooLarge(to.saturating_sub(*from)))
}
(UExpressionInner::Value(from), UExpressionInner::Value(to)) => Ok((*from
..*to)
.flat_map(|index| {