This is the grammar defining BioScript
Python3 (apt-get install python3), and antlr
Follow instructions to install antlr and set up your path here: https://github.com/antlr/antlr4/blob/master/doc/getting-started.md
Configure this such that:
output directory: path/to/parser/[language]language:Cpp|Python3
Note: cpp has been deprecated
antlr4 -o [/path/to/output] -package [package\_name] -Dlanguage=[Cpp | Python3] -listener -visitor -lib [/path/to/grammar] [/path/to/Parser.g4] [/path/to/Lexer.g4]