Show HN: Erlang code generator for Idris 2(github.com)
github.com
Show HN: Erlang code generator for Idris 2
https://github.com/chrrasmussen/Idris2-Erlang
13 comments
This is really impressive. IS there anything else you're using Idris for in the context of Elixir/Erlang?
Thanks!
Not yet, but I am interested in building a web framework that is inspired by Phoenix Framework (I really like the Plug abstraction) and Hyper (https://github.com/purescript-hyper/hyper).
I would also like to support Phoenix LiveView in some shape or form.
Not yet, but I am interested in building a web framework that is inspired by Phoenix Framework (I really like the Plug abstraction) and Hyper (https://github.com/purescript-hyper/hyper).
I would also like to support Phoenix LiveView in some shape or form.
that is very cool.
The list keeps getting longer. The BEAM is quite an attractive target.
https://gist.github.com/macintux/6349828#alternative-languag...
https://gist.github.com/macintux/6349828#alternative-languag...
What is the overall status of Idris2 these days, is it ready to replace Idris1 or is it still heavily WIP? I did notice that 0.2.1 was released about month ago so that sounds great!
Has someone been using Idris (1 or 2) as their "daily driver" language? How has that gone, can you be productive in it?
Has someone been using Idris (1 or 2) as their "daily driver" language? How has that gone, can you be productive in it?
Dependent type on BEAM? Can't wait to try it.
Good stuff! Idris keeps getting more impressive.
Thank you Zigma for your work. :)
Can you quickly document the big steps to write a codegen?
I have some ideas I want to have explore.
Can you quickly document the big steps to write a codegen?
I have some ideas I want to have explore.
I assume that you mean a code generator for Idris 2.
I think the easiest way to get going is to start from an existing code generator. Idris 2 currently supports: Chez Scheme, Racket, Gambit Scheme and JavaScript. Pick the language you are most familiar with.
The files that are relevant to the Chez Scheme code generator are located here (similar locations for the other code generators): https://github.com/idris-lang/Idris2/blob/master/src/Compile..., https://github.com/idris-lang/Idris2/blob/master/src/Compile..., https://github.com/idris-lang/Idris2/blob/master/support/che...
The current code generators are based on an intermediate representations called `NamedCExp`, defined here: https://github.com/idris-lang/Idris2/blob/master/src/Core/Co... `NamedCExp` describe various forms an expression can take. These need to be translated into the target language. For example `NmApp` represents calling a function with the given arguments. You don't need to implement everything to make a proof of concept.
The following document describe how to add a new code generator (It does not go into details of building it): https://idris2.readthedocs.io/en/latest/backends/custom.html
You can see an overview of the different intermediate representations here: https://github.com/chrrasmussen/Idris2-Erlang/blob/master/do... (Note that ErlExpr and AbstractFormat is specific to the Erlang code generator)
If you have more questions, you are welcome to join the Idris community at any of the locations listed here: https://www.idris-lang.org
I think the easiest way to get going is to start from an existing code generator. Idris 2 currently supports: Chez Scheme, Racket, Gambit Scheme and JavaScript. Pick the language you are most familiar with.
The files that are relevant to the Chez Scheme code generator are located here (similar locations for the other code generators): https://github.com/idris-lang/Idris2/blob/master/src/Compile..., https://github.com/idris-lang/Idris2/blob/master/src/Compile..., https://github.com/idris-lang/Idris2/blob/master/support/che...
The current code generators are based on an intermediate representations called `NamedCExp`, defined here: https://github.com/idris-lang/Idris2/blob/master/src/Core/Co... `NamedCExp` describe various forms an expression can take. These need to be translated into the target language. For example `NmApp` represents calling a function with the given arguments. You don't need to implement everything to make a proof of concept.
The following document describe how to add a new code generator (It does not go into details of building it): https://idris2.readthedocs.io/en/latest/backends/custom.html
You can see an overview of the different intermediate representations here: https://github.com/chrrasmussen/Idris2-Erlang/blob/master/do... (Note that ErlExpr and AbstractFormat is specific to the Erlang code generator)
If you have more questions, you are welcome to join the Idris community at any of the locations listed here: https://www.idris-lang.org
Is Idris 2 implemented in Idris 1 ?
Idris 2 is implemented in Idris 2! See https://www.idris-lang.org/idris-2-version-020-released.html
It should still be possible to bootstrap Idris 2 from Idris 1, via Idris2-boot (https://github.com/edwinb/Idris2-boot), and via version 0.2.1 of Idris2 (https://www.idris-lang.org/idris-2-version-021-released.html).
It should still be possible to bootstrap Idris 2 from Idris 1, via Idris2-boot (https://github.com/edwinb/Idris2-boot), and via version 0.2.1 of Idris2 (https://www.idris-lang.org/idris-2-version-021-released.html).
This is great news!
The website includes a blog post about how the website was built: https://www.typedtext.io/posts/view?id=2