SMILES parser -- 2

Job ID: 32806417

Budget: €30 – €250 EUR

Define flex symbols and bison rules to parse SMILES grammar. Budget $50

References
* bison: https://www.gnu.org/software/bison
* flex: https://github.com/westes/flex
* smiles: https://depth-first.com/articles/2020/04/20/smiles-formal-grammar.

The project scaffold to let you focus only on grammar in the attachements
Related categories: C Programming Linux Regular Expressions