Happy is a parser generator for Haskell. Given a grammar specification in BNF, Happy generates Haskell code to parse the grammar. Happy works in a similar way to the yacc tool for C.
Happy is a parser generator for Haskell. Given a grammar specification in BNF, Happy generates Haskell code to parse the grammar. Happy works in a similar way to the yacc tool for C.
To install happy, run the following command in macOS terminal (Applications->Utilities->Terminal)
sudo port install happy
To see what files were installed by happy, run:
port contents happy
To later upgrade happy, run:
sudo port selfupdate && sudo port upgrade happy
Reporting an issue on MacPorts Trac
The MacPorts Project uses a system called Trac to file tickets to report bugs and enhancement requests.
Though anyone may search Trac for tickets, you must have a GitHub account in order to login to Trac to create tickets.