Treetop Grammars in the Wild

C.f. this thread on the mailing list, this is an attempt to compile a list of various open source treetop grammars. Feel free to add any grammars you know of to this list.

In addition, there is a number of Treetop grammars published at snippets.dzone.com, so check there also!

• activefacts / cql
• apacheconf-parser
• biodiversity – a scientific names parser
• brat
• brainfuck
• chess notation
• css_parser
• cucumber (lib/cucumber/parser)
• eqn
• falluto
• food_ingredient_parser
• guillotine
• hopcroft – a regex parser
• koi-reference-parser – reference parser implementation for Koi
• logic – truth table and MC/DC cases from boolean statement
• logic – unquantified propositional logic with unicode symbols
• logical_query_parser
• lydown – music notation language
• lygre – parses gabc music notation language
• mail – RFC2822 et al (lib/mail/parsers)
• mathematica_parser
• piggly
• PASC : A simple (or not) compiler to something like an C and Pascal hybrid, using Ruby and LLVM,
• recurring_events_parser
• redcloth-treetop
• roman numerals
• simplesem
• scheme_parser
• soroban (lib/soroban/parser)
• treetop-dcf
• vimmish