Checks context free grammar for ambiguity using brute force up to given limit.
Checks context free grammar for ambiguity using brute force up to given limit.
It is impossible to check arbitrary context free grammar for ambiguity on a Turing machine. So we provide you brute force algorithm up to a limit.
You can also use function "upTo" from package "Earley-0.13.0.1" for the same purpose, but it can freeze on infinitely ambiguous grammars: https://github.com/ollef/Earley/issues/54 . So I decided to write and publish this package.
See also: https://mail.haskell.org/pipermail/haskell-cafe/2021-May/134006.html
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If you think that this software is not needed or existing software already subsumes its functionality, please, tell me that, I will not be offended.
See https://hackage.haskell.org/package/check-cfg-ambiguity
You don't need to be registered on SourceHut to create bug report.