Intermediate language used in scalac

Question

In the GCC compiler we see several  intermediate languages   RTL  GENERIC and GIMPLE    This answer hints at the idea of an intermediate representation in scalac    My question is  is there an  intermediate representation  of the compiler in Scala  Is there any documentation for this   Assumptions    I don t mean JVM byte code  I mean the level of abstraction above that

User · Answer

maybe this will help you out       http   lampwww epfl ch  paltherr phd altherr-phd pdf   or this page      www scala-lang org node 6372

User · Answer

The nearest equivalents would be icode and bcode as used by scalac  view Miguel Garcia s site on the Scalac optimiser for more information  here  http   magarciaepfl github io scala   You might also consider Java bytecode itself to be your intermediate representation  given that bytecode is the ultimate output of scalac   Or perhaps the true intermediate is something that the JIT produces before it finally outputs native instructions   Ultimately though    There s no single place that you can point at an claim  there s the intermediate     Scalac works in phases that successively change the abstract syntax tree  every single phase produces a new intermediate   The whole thing is like an onion  and it s very hard to try and pick out one layer as somehow being more significant than any other

[scala] Intermediate language used in scalac?

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