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TatSu is a tool that takes grammars in a variation of EBNF as input, and outputs
memoizing (Packrat) PEG parsers in Python.
TatSu can compile a grammar stored in a string into a tatsu.grammars.Grammar
object that can be used to parse any given input, much like the re module does
with regular expressions, or it can generate a Python module that implements the
parser.
TatSu supports left-recursive rules in PEG grammars, and it honors
left-associativity in the resulting parse trees.
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