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Don't increment Rc counters when checking exit matchers.

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This commit is contained in:
Tom Alexander 2022-12-15 21:30:53 -05:00
parent 4af09a69a1
commit c6f75e1736
Signed by: talexander
GPG Key ID: D3A179C9A53C0EDE
1 changed files with 2 additions and 9 deletions
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11
src/parser/nom_context.rs
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@ -47,12 +47,8 @@ impl<'r, 's> ContextTree<'r, 's> {
&'r self, &'r self,
i: &'s str, i: &'s str,
) -> IResult<&'s str, &'s str, VerboseError<&'s str>> { ) -> IResult<&'s str, &'s str, VerboseError<&'s str>> {
// TODO: Can I do this without incrementing reference counters? Perhaps via implementing an iterator over the list? for current_node in self.iter() {
let mut current_node = self.tree.clone(); let context_element = current_node.get_data();
while !current_node.is_empty() {
let context_element = current_node
.get_data()
.expect("While looop proves its Some()");
match context_element { match context_element {
ContextElement::ExitMatcherNode(exit_matcher) => { ContextElement::ExitMatcherNode(exit_matcher) => {
match exit_matcher.exit_matcher { match exit_matcher.exit_matcher {
@ -80,10 +76,7 @@ impl<'r, 's> ContextTree<'r, 's> {
ContextElement::PreviousElementNode(_) => {} ContextElement::PreviousElementNode(_) => {}
ContextElement::StartOfParagraph => {} ContextElement::StartOfParagraph => {}
}; };
current_node = current_node.without_front();
} }
// TODO: Make this a custom error // TODO: Make this a custom error
not(take(0usize))(i)?; not(take(0usize))(i)?;
unreachable!() unreachable!()