Comments (3)
expipiplus1
commented on July 25, 2024
Ahh! This is actually annoying for passing in monadic/user state to the productions because if we put the constraining function inside a Prod (as is done for Many and Alts) then we can't discover the nulls without the user state, and hence can't use user state for avoiding rerunning the grammar!
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ollef
commented on July 25, 2024
Oof. Can you see a way to implement it? Might have to be removed.
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expipiplus1
commented on July 25, 2024
As it is, the constraint production can't remain at the same type, because without a Prod which is positive in the eventual Constraint type we have nowhere to push <*> into.
The constraint function however wouldn't need to change as it could easily forward to Constraint myProd (Pure myPredicate)
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Related Issues (20)
- Q: How to do error recovery? HOT 1
- Wrong(?) result on some grammars with infinite results HOT 10
- Is Earley’s implementation related to Marpa? HOT 3
- Add a `eof` terminal HOT 5
- Behavior of Semigroup/Monoid instances for Prod? HOT 5
- Capture result as well as matched tokens HOT 2
- Generate ABNF/EBNF from Earley grammar HOT 1
- Suggestion: Make it so that `<$` rules return at most one result. HOT 3
- Parsing into a list delimited by a token HOT 5
- INDENT and DEDENT HOT 5
- feature: constraint validation of production parse result HOT 7
- Please add tags "test ambiguity" etc HOT 2
- Crashes if grammar is infinitely ambiguous on given input HOT 11
- Is it okey to use "many" and heavily use Applicative parsing techniques? HOT 2
- Diverges with sepEndBy from parser-combinator HOT 1
- Report doesn't include enough information HOT 2
- Is there any possible optimization for getting non-exhaustive outputs for ambiguous grammars HOT 1
- Disambiguate/Filter productions HOT 1
- Something like Ruby Slippers parsing HOT 1
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