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Children assignments continue after the last child assignment.

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Rob Rix 2017-04-28 15:19:55 -04:00
parent ca0d4328ff
commit ec8be238d1
1 changed files with 1 additions and 1 deletions
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src/Data/Syntax/Assignment.hs
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@ -104,7 +104,7 @@ runAssignment = iterFreer run . fmap (\ a state -> Result (state, a))
(Location, []) -> yield (Info.Range stateOffset stateOffset :. Info.SourceSpan statePos statePos :. Nil) state (Location, []) -> yield (Info.Range stateOffset stateOffset :. Info.SourceSpan statePos statePos :. Nil) state
(Source, Rose (_ :. range :. _) _ : _) -> yield (Source.sourceText (Source.slice (offsetRange range (negate stateOffset)) stateSource)) (advanceState state) (Source, Rose (_ :. range :. _) _ : _) -> yield (Source.sourceText (Source.slice (offsetRange range (negate stateOffset)) stateSource)) (advanceState state)
(Children childAssignment, Rose _ children : _) -> case assignAllFrom childAssignment state { stateNodes = children } of (Children childAssignment, Rose _ children : _) -> case assignAllFrom childAssignment state { stateNodes = children } of
Result (_, a) -> yield a (advanceState state) Result (state', a) -> yield a (advanceState state' { stateNodes = stateNodes })
Error e -> Error e Error e -> Error e
(Choose choices, Rose (symbol :. _) _ : _) | Just a <- IntMap.lookup (fromEnum symbol) choices -> yield a state (Choose choices, Rose (symbol :. _) _ : _) | Just a <- IntMap.lookup (fromEnum symbol) choices -> yield a state
-- Nullability: some rules, e.g. 'pure a' and 'many a', should match at the end of input. Either side of an alternation may be nullable, ergo Alt can match at the end of input. -- Nullability: some rules, e.g. 'pure a' and 'many a', should match at the end of input. Either side of an alternation may be nullable, ergo Alt can match at the end of input.