Re: Question about ports

[Craig Wright <spiral at cs dot unm dot edu>]

I would like a C/C++ solution to the problem, because a lot of the code
is written in C++, only the configuration of the program uses Scheme. 


    >X-Authentication-Warning: marvin.ida.ing.tu-bs.de: dirk owned process doing -bs
    >Date: Fri, 24 Mar 2000 10:50:16 +0100 (MET)
    >From: Dirk Herrmann <dirk@ida.ing.tu-bs.de>
    >cc: guile@sourceware.cygnus.com
    >Content-Type: TEXT/PLAIN; charset=US-ASCII
    >
    >On Thu, 23 Mar 2000, Craig Wright wrote:
    >
    >> I've just started embedding guile in a MUD that I'm writing.  What
    >> I really want to do is make the scheme interpreter accesible over the
    >> network.  After I've gotten a scheme command from a connection and have
    >> called gh_eval_str(command), I want to be able to package the return value
    >> into another char* so I can ship it back over the network...
    >
    >If you (write ...) the return value, you could send the resulting string
    >back to be evaluated.  (write will, in contrast to display, produce a
    >result that should re-evaluate into the structure that was written.)
    >
    >> In addition I'd like to be able to make it so all calls to display and it's 
    >> like are echoed back to the correct network connection.  I want a single
    >> global scheme interpreter for all users.  Actually only users of the
    >> correct acces get this, but that's really an unecessary detail.
    >
    >(let* ((old-display display))
    >  (set! display
    >        (lambda ...     put your replacement function for display here
    >                        and, in its implementation, use old-display
    >                        whenever you want to call the original function.
    >
    >> Also, since this may be a problem: I'm using socket++, so I have no direct
    >> access to the file descriptors.  I would prefer that all output from the
    >> scheme interpreter is put in a char* so that I can send it out myself.
    >> This includes calls to display and displaying return values of function calls.
    >
    >Maybe 'with-output-to-string' is what you are looking for?
    >
    >Best regards
    >Dirk Herrmann
    >
    >


-- 
Craig