"rustlr" LR(1) and LALR(1) parser generator by Chuck Liang. Tutorial to be made available at https://cs.hofstra.edu/~cscccl/rustlr_project/
This is the first release of the project. It has only been used for implmentating modestly scaled, experimental programming languages. If there's significant interest, it will be become more robust, with enhanced features, in future releases.
Version 0.1.1:
The ability to train the parser has been added: the Runtime::parse_train function will ask for user input to improve error reporting by augmenting basic generated LR state machine with Error entries.
Future releases of rustlr will also be able to train from scripts: this means that a new parser can be quickly trained to display meaningful error messages each time after a grammar is modified (this feature currently has not been tested extensively).
Future releases of rustlr will also allow the construction of a custom parser using the generated state machine so that users of rustlr are not limited to the built-in generic RuntimeParser::parse function.