A graduate from SHAD shares insights on migrating the YQL parser from ANTLR3 to ANTLR4. This upgrade enhances autocompletion, syntax highlighting, and parser generation for Go, TypeScript, and C++. The migration involved a deep understanding of both ANTLR versions and adapting the parsing system with protobuf. Learn more about the process and nuances in the article on Habr: https://habr.com/ru/companies/yandex/articles/873464/

Interesting article on migrating YQL parser from ANTLR3 to ANTLR4. Glad to see the improvements in autocompletion, syntax highlighting, and parser generation for Go, TypeScript, and C++.