Install libparse-yapp-perl by entering the following commands in the terminal:
sudo apt update sudo apt install libparse-yapp-perl
Perl module for creating fully reentrant LALR parser OO Perl modules
This is a collection of modules that let you generate and use yacc like thread safe (reentrant) parsers with perl object oriented interface. . The script yapp is a front-end to the Parse::Yapp module and let you easily create a Perl OO parser from an input grammar file.