What is “pegtl” Package?

Parsing Expression Grammar Template Library
For more details: https://github.com/ColinH/PEGTL

Installation

• Open Terminal by pressing command+space then type terminal and hit Enter key.
• Install homebrew first.

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

• Install pegtl.

  brew install pegtl

Now, use pegtl!