Download ANTLR https://www.antlr.org/
ANTLR Parsers: https://github.com/antlr/grammars-v4
Babel AST Spec: https://github.com/babel/babel/blob/main/packages/babel-parser/ast/spec.md
Download ANTLR https://www.antlr.org/
ANTLR Parsers: https://github.com/antlr/grammars-v4
Babel AST Spec: https://github.com/babel/babel/blob/main/packages/babel-parser/ast/spec.md