[Haskell-cafe] DSL in Haskell
jgbailey at gmail.com
Mon Nov 16 12:29:45 EST 2009
You can find teh BASIC module on hackage:
Download .tar.gz file and you can see the source.
On Mon, Nov 16, 2009 at 3:16 AM, CK Kashyap <ck_kashyap at yahoo.com> wrote:
> Thanks Don,
> I read the PDF. I was not able to figure out how to get the BASIC module.
> Wanted to see a reference implementation.
> The DSL I want to start with is a music generation DSL ... It should
> generate a wave file
> with music data as input -> for example the input could contain
> C3 D3 E3 ... -> should output a wave file with those notes ... some kind of
> mnemonics for tempo will also be there.
> Later I'd like to incorporate parallel sequence generation -> where I could
> get chord effect etc ...
> I had done a rudimentary implementation in C a while back ->
> I'd appreciate it very much if you could give me some pointers on getting
> From: Don Stewart <dons at galois.com>
> To: CK Kashyap <ck_kashyap at yahoo.com>
> Cc: haskell-cafe at haskell.org
> Sent: Mon, November 16, 2009 12:57:54 AM
> Subject: Re: [Haskell-cafe] DSL in Haskell
>> Hi All,
>> I was reading a Ruby book and in that it was mentioned that its capability
>> dynamically query and modify classes makes it suitable for implementing
>> ... I am referring to Ruby's reflection and methods like "method_missing"
>> It can allow things like not having to define constants for all possible
>> unicode code points etc...For example, first use of U0123 could bring such
>> constant definition into existence etc
>> I see multiple search hits when I look for Haskell and DSL - can someone
>> point me to a good primer or explain to me how equivalent of above
>> features in Ruby can be done in Haskell ... or the Haskell alternative for
> The Haskell equivalent would be overloading, primarily via type classes.
> See Lennart Augusston's BASIC for an example of this in the extreme:
> That's BASIC syntax, in Haskell, relying on overloading numbers, strings
> etc. And all statically typed.
> For a survey of some of the more recent EDSLs in Haskell, see this brief
> -- Don
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