copied tsql grammar from antlr-grammars repo
copied tsql grammar from antlr-grammars repo

source link:
https://github.com/antlr/grammars-v4/blob/1d0ea7a8cfb1c3770e0ffe038cf1d3
20cfa41a1b/tsql/tsql.g4

ashapochka/saapy