nff 0.1.2

Command line utility that calculates nullable first follow sets. Can also be used as a library

nff.rs

A program that calculates the nullable, first, and follow sets from a specified grammar

git clone https://github.com/rmsthebest/nullable-first-follow
cd nullable-first-follow
cargo run --release <path to grammar file>

cargo install nff
nff <path to grammar file>

nff only supports one format of grammar
Nonterminals are one uppercase character
Terminals are one lowercase character
Null is 0

A -> B a
A -> 0
B -> A b