ANTLR

• grammars-v4原生支持SQL
• antlr4只需要g4语法文件的，可以生成各种语言的代码
• antlr lab: Run it online

Limit

• Unsupported list in Grammar v4
  • BigQuery

Reference

• antlr4 简明教程
• The definitive antlr 4 reference (pdf)
• explained.ai: the home site of antlr's father/