Future proofing Scala the TASTY intermediate rep
summary
Designs a stable, evolving intermediate format called TASTy that serializes Scala after typechecking: name table, typed AST sections, positions and doc comments, and compact encodings for names and numbers. A proof‑of‑concept Scala 2 plugin emits and consumes these files; jars include both .class and .tasty so build tools can auto‑recompile outdated classfiles from TASTy and publish updated jars. Tooling layer tasty reflect and a decompile flag already let IDEs and doc generators read TASTy; Scala.js shows four years of IR compatibility.
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chapters (6)
- 0:00Start
- 1:50What is binary compatibility ?
- 2:32Why does Scala break binary compatibility ?
- 7:12Parsing
- 24:36OK cool, but what can I do with it?
- 29:38Bonus: tasty-reflect for tooling
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