Rust Programming - Lexical and syntax analyzer

This program takes in an input file and tokenizes it using lexical and syntax analyzer (using a recursive descent parser)

here's project requirements document and example input file
https://drive.google.com/file/d/1Ei2TKjEWFZwMoTifwxGZ_-unrgnEEqk7/view?usp=sharing

Need it done by today/tomorrow.