how to invoke the emacs interface for guile 1.7

how to invoke the emacs interface for guile 1.7

[Steven Wu]

I got the guile from CVS, and it has a couple of elisp files for emacs 
to interface with guile. How can I use it? Can I run it like Eshell, or 
use it as an emacs mode? Btw, is there a way to filter out junk mail 
from our mailing list?

steve



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Re: how to invoke the emacs interface for guile 1.7

[Neil Jerram]

Steven Wu wrote:

> I got the guile from CVS, and it has a couple of elisp files for emacs 
> to interface with guile. How can I use it? Can I run it like Eshell, or 
> use it as an emacs mode? Btw, is there a way to filter out junk mail 
> from our mailing list?
> 
> steve

[copy of earlier off-list reply]

Hi Steven,

Do you mean GDS (gds.el)?  If so, could you try out the instructions in 
emacs/gds-tutorial.txt.

Regards,
      Neil



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Re: how to invoke the emacs interface for guile 1.7

[Steven Wu]

On Oct 6, 2004, at 10:53 AM, Neil Jerram wrote:

> Steven Wu wrote:
>
>> I got the guile from CVS, and it has a couple of elisp files for 
>> emacs to interface with guile. How can I use it? Can I run it like 
>> Eshell, or use it as an emacs mode? Btw, is there a way to filter out 
>> junk mail from our mailing list?
>> steve
>
> [copy of earlier off-list reply]
>
> Hi Steven,
>
> Do you mean GDS (gds.el)?  If so, could you try out the instructions 
> in emacs/gds-tutorial.txt.
>
Not really, gds is the debugger if I am not mistaken. I was talking 
about a interactive guile mode in emacs. I took Thien-Thi Nguyen's 
run-guile.el and modified it a little bit, and it let me to run guile 
as a inferior interpreter.

The new guile.el doesn't seem to do that.

steve



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Re: how to invoke the emacs interface for guile 1.7

[Neil Jerram]

Steven Wu wrote:

> 
> On Oct 6, 2004, at 10:53 AM, Neil Jerram wrote:
> 
>> Do you mean GDS (gds.el)?  If so, could you try out the instructions 
>> in emacs/gds-tutorial.txt.
>> 
> Not really,

Fair enough, but I'll try to sell GDS a little anyway :-)

> gds is the debugger if I am not mistaken.

Kind of.  Debugging is probably the hardest aspect of GDS, but GDS aims 
to provide the complete using-Guile-in-Emacs experience, including plain 
old evaluation, help and completion too.  You don't have to set any 
breakpoints if you don't want to.

The way that GDS differs from run-guile.el, cmuscheme.el and the like, 
is that you use it when working on a Scheme file - like C-x C-e for 
Elisp - rather than by writing expressions in sequence in a special 
shell-like window.

> I was talking 
> about a interactive guile mode in emacs. I took Thien-Thi Nguyen's 
> run-guile.el and modified it a little bit, and it let me to run guile as 
> a inferior interpreter.
> 
> The new guile.el doesn't seem to do that.

No, it is quite different, and unfortunately I'm not aware of any docs 
to explain what it does provide.

Regards,
       Neil



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Re: how to invoke the emacs interface for guile 1.7

[Stephen Compall]

Neil Jerram <neil@ossau.uklinux.net> writes:

> The way that GDS differs from run-guile.el, cmuscheme.el and the
> like, is that you use it when working on a Scheme file - like C-x
> C-e for Elisp - rather than by writing expressions in sequence in a
> special shell-like window.

What's your scheme mode?  In mine, which is just scheme.el and
cmuscheme.el as distributed with Emacs, when I `run-scheme', these
bindings are replaced with Scheme versions.  For example, "C-x C-e
runs the command scheme-send-last-sexp, which is an interactive
compiled Lisp function in `cmuscheme'."

However, this doesn't display the result in the minibuffer, if that is
what gds does.

--
Stephen Compall or s11 or sirian

BASIC is the Computer Science equivalent of `Scientific Creationism'.

data haven Merlin supercomputer Mossad M-14 ARPA JFK New World Order
keyhole Manfurov Peking Cocaine electronic surveillance Honduras
advisors


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Re: how to invoke the emacs interface for guile 1.7

[Neil Jerram]

Stephen Compall wrote:

> Neil Jerram <neil@ossau.uklinux.net> writes:
> 
> 
>> The way that GDS differs from run-guile.el, cmuscheme.el and the
>> like, is that you use it when working on a Scheme file - like C-x
>> C-e for Elisp - rather than by writing expressions in sequence in a
>> special shell-like window.
> 
> 
> What's your scheme mode?  In mine, which is just scheme.el and
> cmuscheme.el as distributed with Emacs, when I `run-scheme', these
> bindings are replaced with Scheme versions.  For example, "C-x C-e
> runs the command scheme-send-last-sexp, which is an interactive
> compiled Lisp function in `cmuscheme'."

GDS started as an extension of cmuscheme.el, but moved away from that as 
I tried to take more things into account, the two main things being:

- how do you interact with and debug a Guile application that doesn't 
have a command line (such as Gnucash), or which has a command line that 
doesn't speak Scheme?

- in parsing Guile's output so as to identify errors, backtraces, help, 
completion information and so on, how can we do better than either 
applying imperfect heuristics or adding control characters to Guile's 
output (a la ice-9/emacs.scm)?

GDS's answer is that you don't use stdin/stdout at all, but instead 
communicate with the application through a socket.  The ability and 
interface to evaluate code, do completions and ask for help from a 
Scheme buffer ends up being very similar to cmuscheme.el, but the 
implementation is quite different and IMO a more robust base for an 
eventual full function Guile IDE.


> 
> However, this doesn't display the result in the minibuffer, if that is
> what gds does.

FWIW, GDS displays evaluation results and help (and backtrace, when 
debugging) in a separate "Guile Interaction" window that pops up when 
needed.

Regards,
      Neil



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Re: how to invoke the emacs interface for guile 1.7

[Neil Jerram]

I recently wrote:

> GDS started as an extension of cmuscheme.el, but moved away from that 
> as I tried to take more things into account, the two main things being:
>
> - how do you interact with and debug a Guile application that doesn't 
> have a command line (such as Gnucash), or which has a command line 
> that doesn't speak Scheme? [...]

For those interested: I've realized that the debugging side of GDS (in 
other words, an Emacs frontend to the Guile debugger) would be a lot 
more useful with two changes:

1. if it was split off and made independent from the stuff to do with 
initiating evaluations

2. if it was available as an add-on for the 1.6 series.

So that's now my plan. Any thoughts welcome as usual.

Regards,
Neil




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