There is a massive amount of material out there. The keywords that you might want to search on are: MBSE: Model Based Software Engineering; MDD: Model Driven Development; MDE: Model Driven Engineering; generative programming. UML is also one of the core technologies.

Some tools to look at: MPS by JetBrains, MetaCase.

The website: https://modeling-languages.com is rather useful. The article: https://scihub.bban.top/https://doi.org/10.1007/s10270-012-0... is also very good starting point.