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fix: added a call limit setting to prevent crashes or timeouts #684

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merged 6 commits into from
Aug 10, 2022
Merged

fix: added a call limit setting to prevent crashes or timeouts #684

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70178ff
fix: added a call limit setting to prevent crashes or timeouts
Aug 9, 2022
7a34421
simplified the set call to only keep track of finite calls
Aug 10, 2022
64e4219
fix doc
Aug 10, 2022
707bd11
more explanation in the comment
Aug 10, 2022
f9ff8f7
fmt nits
Aug 10, 2022
953a782
increment fix
Aug 10, 2022
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6 changes: 2 additions & 4 deletions pest/src/parser_state.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -61,10 +61,8 @@ static CALL_LIMIT: AtomicUsize = AtomicUsize::new(0);
///
/// # Arguments
///
/// * `limit` - The maximum call depth or the number of calls.
/// If 0, the call depth or the number of calls is unlimited.
/// * `finite_calls` - If `true`, the parser execution is limited to
/// a finite number of calls (based on `limit`).
/// * `limit` - The maximum number of calls. If None,
/// the number of calls is unlimited.
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pub fn set_call_limit(limit: Option<NonZeroUsize>) {
CALL_LIMIT.store(limit.map(|f| f.get()).unwrap_or(0), Ordering::Relaxed);
}
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