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Re: Anniversary hack: Zile editor with Guile support
From: |
Gary V. Vaughan |
Subject: |
Re: Anniversary hack: Zile editor with Guile support |
Date: |
Mon, 25 Mar 2013 14:06:07 +0700 |
Hi Ian,
On 25 Mar 2013, at 13:24, Ian Price <address@hidden> wrote:
> "Gary V. Vaughan" <address@hidden> writes:
>> I think we are misunderstanding one another somewhere :(
>>
>> I'm talking about this:
>>
>> 1. user writes some Guile Scheme, and feeds it to Lua Zile
>> 2. Lua Zile runs zlc to translate Guile Scheme to Lua
>> 3. Lua Zile runs luac to compile output of (2) to Lua bytecodes, and
>> saves the result to disk
>> 4. Lua runtime executes file of Lua bytecodes.
>>
>> I really don't see how Tree-IL fits in here, or makes loading and executing
>> Guile
>> Scheme sources from Lua Zile any easier.
>>
>> What am I missing?
>
> Two observations:
>
> 1. The frequent references to Guile Scheme (as opposed to just Scheme)
> imply that Guile compatibility is desirable.
>
> 2. The most compatible Scheme implementation with Guile is, quite
> obviously, Guile.
>
> So, then, my advice is quite simply to maximise the use of Guile, and
> minimise the use of new code when writing this Guile-Scheme->Lua
> compiler.
>
> Since Guile is written as a hierarchy of translators, you don't need to
> implement Scheme per se, but can instead implement one of the languages
> to which we can compile Scheme already, and ask Guile to compile Scheme
> to that for you.
>
> e.g. guild compile foo.scm --to=tree-il --output=foo.tree-il
>
> Tree-IL is the "default" option, as it is relatively close to Scheme,
> but you won't have to deal with things like hygienic macro
> expansion. However, you can pick whichever one you find easiest to
> translate to Lua or Lua Bytecode.
>
> I actually intend to follow a similar approach with a
> guile-in-the-browser project I would like to write, however, I am
> probably going to implement a vm, and have it interpret Guile's assembly
> language directly.
>
> I'm not sure I can be clearer than that. If it wasn't enough, well, just
> pretend I didn't say anything :)
Okay, the penny has finally dropped. And that does look like a more
compatible approach, so I will certainly experiment with it, when I reach
this item on my TODO list :)
Thank's for your patience!
Cheers,
--
Gary V. Vaughan (gary AT gnu DOT org)
- Re: Anniversary hack: Zile editor with Guile support, Gary V. Vaughan, 2013/03/21
- Re: Anniversary hack: Zile editor with Guile support, Mike Gran, 2013/03/21
- Re: Anniversary hack: Zile editor with Guile support, Gary V. Vaughan, 2013/03/21
- Re: Anniversary hack: Zile editor with Guile support, Ian Price, 2013/03/24
- Re: Anniversary hack: Zile editor with Guile support, Gary V. Vaughan, 2013/03/24
- Re: Anniversary hack: Zile editor with Guile support, Ian Price, 2013/03/25
- Re: Anniversary hack: Zile editor with Guile support, Gary V. Vaughan, 2013/03/25
- Re: Anniversary hack: Zile editor with Guile support, Ian Price, 2013/03/25
- Re: Anniversary hack: Zile editor with Guile support,
Gary V. Vaughan <=
- Re: Anniversary hack: Zile editor with Guile support, Nala Ginrut, 2013/03/24
Re: Anniversary hack: Zile editor with Guile support, Ludovic Courtès, 2013/03/22