This is very close to the way Babylon (Babel's JS parser) works: https://github.com/babel/babylon/blob/7.0/src/parser/expression.js#L185 https://github.com/bab

This is very close to the way Babylon (Babel's JS parser) works: https://github.com/babel/babylon/blob/7.0/src/parser/expression.js#L185 https://github.com/babel/babylon/blob/7.0/src/parser/express... If anyone in SF is interested in hacking babylon to build a superset of JS, I'm happy to get coffee and share what I've learned building LightScript [0]. It's been a lot of fun. [0] http://lightscript.org http://lightscript.org