Re: Questions about JVM to Scala.js IR compiler (GSOC project)

Hi,

thank you for your answer, it will be really useful for prepare a somewhat 
decent proposal.

Il giorno lunedì 22 febbraio 2016 20:18:51 UTC+1, Sébastien Doeraene ha 
scritto:
>
> Hello Andrea,
>
> Nice to read that you are interested in this project!
>
> 1) In general, working knowledge of Scala is required for projects with 
> the Scala team. Beyond that, each project states its own prerequesites on 
> the page http://scala-lang.org/gsoc/2016.html
>
> 2) What you describe is the "alternate" version of the project. The 
> originally proposed project would compile Java source code into Scala.js 
> IR. We believe that compiling JVM bytecode would be harder than Java source 
> code (due to the necessity of recovering loops, for example). But as we 
> wrote, for a student already familiar with the JVM bytecode, it *might* be 
> easier. Otherwise, yes, you are correct.
>
> 3) There isn't much documentation about the IR (a few doc-comments for the 
> weirdest nodes), but here are a few pointers to the relevant source files:
>
>    - The types (similar to JVM types): 
>    https://github.com/scala-js/scala-js/blob/master/ir/src/main/scala/org/scalajs/core/ir/Types.scala
>    - The trees (the definition of the IR itself): 
>    https://github.com/scala-js/scala-js/blob/master/ir/src/main/scala/org/scalajs/core/ir/Trees.scala
>    - The IR checker, a mechanized verifier checking that some IR is 
>    well-typed and otherwise well-formed: 
>    https://github.com/scala-js/scala-js/blob/master/tools/shared/src/main/scala/org/scalajs/core/tools/linker/checker/IRChecker.scala
>
> It is relatively simple, although it mingles JVM-like expressions and 
> JS-like expressions.
>
> Cheers,
> Sébastien
>
>
> On Mon, Feb 22, 2016 at 7:43 PM, Andrea Francesco Iuorio <
> [email protected] <javascript:>> wrote:
>
>> Hi, I'm currently a MSc student in Computer Science. I would like to try 
>> to submit a proposal for this year's GSOC under Scala, more precisely for 
>> the JVM -> Scala IR Compiler (for my BSc. thesis I had to develop a JVM 
>> compiler for a toy language, so I kinda know the JVM bytecode), however I 
>> have some questions:
>>
>> 1) Do you require, as an organization, any prerequisite for apply ?
>> 2) If I understand correctly, the purpose of the project is writing a 
>> compiler in Scala that compile JVM bytecode (or, maybe better, a .class 
>> file ?) into Scala.js IR. Correct or there is something that I've missed ?
>> 3) There is some kind of documentation about the IR that I can read for 
>> getting an idea about its complexity ?
>>
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