Function opg::gen_productions

pub(crate) fn gen_productions(contents: &String) -> Vec<Production>

Generate production list for the grammar contents.

Input

contents the string read from file.

Output

p the vector of productions.

Example

let mut productions: Vec<Production> = gen_productions(&contents);

Principle

For every line in the file, split it on "->". Then split the trimmed right side based on "|". After processing, push the new Production struct into the result.