Steps To Install byacc on Mac

Package Information:

Name: byacc
Use: (Arguably) the best yacc variant
URL: http://invisible-island.net/byacc/byacc.html

Installation Steps:

1. Open up your Terminal.
2. Copy and run the following command

   ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)" < /dev/null 2> /dev/null

3. Install byacc using brew

   brew install byacc

byacc is ready to use now!