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google / zetasql

ZetaSQL - Analyzer Framework for SQL
Apache License 2.0
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Why not use antlr4 to describe the Grammar? #5

Closed kant111 closed 4 years ago

kant111 commented 5 years ago

Why not use antlr4 to describe the Grammar?

matthewcbrown commented 5 years ago

I'm not sure I understand the nature of your question. Are you just wondering why we used flex/bison instead of antlr4? Or would having the grammar in antlr4 (independent of the underlying stack) solve some problem?