David Ellis

Is http://www.vpri.org/pdf/tr2007002_packrat.pdf [1] the Ometa paper? I didn't know what ometa was until I started searching for it. The reason I ask is because I'm reading through http://tratt.net/laurie/research/publications/papers/tratt__direct_left_recursive_parsing_expression_grammars.pdf [2] and...

I just tried implementing the special case (a grammar production is both left-recursive and right-recursive) that Tratt documented in his paper [2]. The grammar is: expr

Yesterday I ran across https://github.com/harc/ohm/issues/55, which addresses the same "incorrect parse" in another PEG parser library, and @alexwarth's opinion - https://github.com/harc/ohm/issues/55#issuecomment-177050000 - is that Tratt's conclusion is just one interpretation,...