Hello Sam, Friday, April 24, 2009, 9:09:43 PM, you wrote: well, GHC generates .o files. so you may solve some of your questions. if you can absolutely ignore performance, you can use so-called non-registerized compilation what generates ansi-compatible C code most Haskell libs are written for ghc, so for other compilers you will need to write almost self-contained code
I need a list of .c and .h files as an end result of the Haskell compilation stage. I expect these c files will need to include Haskell runtime C code to operate, and therefore have some dependencies in order to compile and link.
Afaict, GHC as it stands does not allow me to do this, even though it presumably generates C in the process of compiling binary objects.
Actually having C source as an end result is critical as I need control over exactly how the source is compiled and linked. For example: - I need to compile to different targets: either a static C lib, exe, dll or C++ lib. - I need to support multiple compilers. - I might want to produce a custom runtime.
In short, I'd like to use Haskell as a code-generator.
I can't see that this would be unachievable, particularly given it's generating C already. Have I missed something?
Cheers, Sam
-----Original Message----- From: Bulat Ziganshin [mailto:bulat.ziganshin@gmail.com] Sent: 24 April 2009 17:53 To: Sam Martin Cc: haskell-cafe@haskell.org Subject: Re: [Haskell-cafe] compilation to C, not via-C
Hello Sam,
Friday, April 24, 2009, 8:36:50 PM, you wrote:
I work in Games middleware, and am very interested in looking at how Haskell could help us. We basically sell C++ libraries. I would like to be able to write some areas of our libraries in Haskell, compile the Haskell to C and incorporate that code into a C++ library.
well, you can intercept these files. once i wrote simple 4-line haskell utility (it may be 20 lines of C++ or so) and compiled it down to C. results was 300 lines or so which it's impossible to understand
so, if you just need haskell-C++ interaction, you may look into using FFI [1,2]. if you believe that you can compile some java/ruby/haskellwhatever code down to C++ and incorporate it into your function - sorry, they all have too different computing model
btw, my own program [3] goes this way - i combine fast C++ and complex Haskell code via FFI/dll to produce fast, feature-rich application
[1] http://www.haskell.org/haskellwiki/GHC/Using_the_FFI [2] http://www.haskell.org/haskellwiki/FFI_cook_book [3] http://freearc.org
-- Best regards, Bulat mailto:Bulat.Ziganshin@gmail.com