Migration path from ANTLR 3 to 4

[jfh...@gmail.com]

Hello,

I'd like to migrate the Redline Smalltalk grammar to the new ANTLR 4.
https://github.com/redline-smalltalk/redline-smalltalk/tree/master/src/main/antlr3/st/redline/compiler

Is there a migration path? The closest information I could find was this page but it was empty:
What is the difference between ANTLR v3 and v4?
http://www.antlr.org/wiki/pages/viewpage.action?pageId=36110379

I'm really sorry if the information is already available and I missed it.

Feel free to redirect me at the appropriate place.

Thank you kindly

[Terence Parr]

 unfortunately, I haven't really documented much yet on the transition but you can more or less reuse the same grammars and see what v4 warns you about. just get rid of the syntactic predicates and it's a good start.

Ter

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