Comments (3)
ollef
commented on July 25, 2024
1
Yeah, that's been very tricky to get right, especially when you want to do semantic actions as well. This library uses the approach from the linked paper. But maybe it can be improved still.
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ollef
commented on July 25, 2024
I'm aware of Marpa but haven't been directly influenced by it.
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Profpatsch
commented on July 25, 2024
But buried in their paper is a solution to the zero-length rule bug. And this time the solution requires no additional bookkeeping.
Have zero-length rules been a problem in Earley?
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Related Issues (20)
- Extensible languages? HOT 7
- Parsing hangs even for simple ambiguous grammars HOT 2
- list = listLike? HOT 3
- Q: How to do error recovery? HOT 1
- Wrong(?) result on some grammars with infinite results HOT 10
- 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
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