Re: Modules

On 01/29/2011 06:35 PM, Neil Jerram wrote: > Andy Wingo writes: > >> I would also mention the approach from the skeleton package, which you >> can fetch from http://wingolog.org/git/skeleton.git. `autoreconf -vif', >> `./configure', and `make'. It has a toplevel `env' script, similar to >> othe

Re: Error reporting

If this is added, I'd very much recommend including a way to turn it off (or more likely to turn it on), as extra noise in error messages generally comes at the price of quick understanding. Most of the time, timestamps aren't needed, so, except when they are, they are noise. Sebastian Tennan

Re: Guile release planning

Hi Neil, Neil Jerram wrote: 2008/11/11 Jon Wilson <[EMAIL PROTECTED]>: Hi Neil, Thanks for working on this. I'd favor the steady new features model, but I would recommend periodically marking a release as one that will be supported past the next release, similar to Ubuntu

Re: Unspecified?

Andy Wingo wrote: Yes and no; R5RS has this to say: If the value of an expression is said to be "unspecified," then the expression must evaluate to some object without signalling an error, but the value depends on the implementation; this report explicitly does not say what value

Re: Dynamic variable binding

Sebastian Tennant wrote: Quoth [EMAIL PROTECTED] (Ludovic Courtès): Dynamic binding definition is compilation-unfriendly. Kjetil's proposed `define-lotsof' macro is more appropriate, as it can be fully evaluated at compile-time (should a compiler be used, that is), whereas the `module-define!'

Re: Does anyone actually use threads with guile?

Hi Linas, Linas Vepstas wrote: Does anyone actually use threads with guile? Or am I the first to do so? I once wrote an irc chat bot in guile 1.8 (a pretty crappy one, though) that used threads. I never had any trouble with it, but I didn't do any really advanced stuff (nothing that needed

Re: Guile release planning

Hi Neil, Thanks for working on this. I'd favor the steady new features model, but I would recommend periodically marking a release as one that will be supported past the next release, similar to Ubuntu's LTS releases. Regards, Jon Neil Jerram wrote: Andy recently wondered - in connection wit

Re: SOS: Simple Object System

Hi again, For an example of an OO system that is even more wildly different, but still quite interestingly useful, look up the Prometheus object system for Scheme. I don't know if there is a version that would happily run on Guile, but there are versions for at least Scheme48 and PLT, IIRC. I

Re: SOS: Simple Object System

Hi, You might be interested to read Jonathan Rees' take on OO. It certainly broadens the mind regarding the various implementations and terminology of OO, but is still quite brief. I certainly don't think the Java/C++ model is the last word in OO (but I didn't think that before reeding Rees,

Re: X11 bindings and shell bindings

Hi Ishan, * There are guile bindings for gtk and for gnome; I don't know of any other X11 bindings. * Try (system "ls -l"). Look it up in the POSIX section in the manual. Regards, Jon Ishan Arora wrote: Hi, Is there a procedure to get mouse position. And is there a procedure to synchrono

Re: Me no understand scoping

Time to trot out the tired old koan [1] ... Maciek Godek wrote: which is sad because closures are a very powerful yet simple mechanism (definitely simpler than what GOOPS or CLOS have to offer if it comes to OOP -- both in concepts and implementation) " The venerable master Qc Na was walking

Re: Me no understand scoping

Maciek Godek wrote: as for eval, it will always be there (in RnRS) EVAL has not been in every report. R4RS did not specify EVAL, nor did R3RS, RRRS, RRS. > besides I don't imagine not messing with lexical > environments :) The bad thing is that scopes aren't > explicitly definable and the

Just in case...

...anyone missed the announcement, Debian is going to freeze packages for Lenny quite soon. So, I humbly request that those responsible for such things get the latest and greatest of everything packaged up for Lenny before that happens. It is much easier to use various things, and to get othe

Re: Leap second bug?

Hi Ludovic, Ludovic Courtès wrote: I'm no expert in that area but I would suggest emailing the SRFI-19 mailing list [0] for advice. [0] http://srfi.schemers.org/srfi-19/ This is not recommended, because srfi-19 is "currently unsupported, and will likely remain so." [1] The recommendation I

Re: set-current-module in .guile ?

Hi Scott, Can you for some reason not use use-modules? Regards, Jon Scott N. Walck wrote: Dear Guilers, Dan Gildea has ported a large fraction of Gerry Sussman's scmutils code from MIT-scheme to guile. In doing so, he uses guile modules instead of MIT-scheme environments. Much of the code cre

Re: New Guile maintainers

Congratulations, Neil and Ludovic! Neil Jerram wrote: A slightly belated announcement, but ... Ludovic Courtès and I have been appointed as additional Guile maintainers by the GNU project. This means that the full set (of Guile maintainers) is now Marius, Ludovic and me. Very broadly, the mai

scm_error and scm_error_scm names

Hi, I was thinking that, in order to conform to much of the rest of the scm_ api, scm_error ought to be named scm_c_error, and scm_error_scm ought to be named scm_error. Perhaps a change for the 1.9 branch. Regards, Jon ___ Guile-user mailing list

Re: Autoconf test for site scheme files

Ludovic Courtès wrote: Mike Gran <[EMAIL PROTECTED]> writes: This brings up another question. Should %load-path should generally include /usr/local/share/guile/site by default? Arguments in favor: it would keep symmetry with the emacs $(lispdir) directory as described in the GNU coding standar

Re: Guile 1.8.2 install problem on GNU/Linux

Hi Tom, Make sure that gcc gets the flag -O2. This looks like the error I got when I lacked that flag. Regards, Jon ___ Guile-user mailing list Guile-user@gnu.org http://lists.gnu.org/mailman/listinfo/guile-user

Re: How to set GUILE_WARN_DEPRECATED manually

Hi Bing, Well, follow the directions. You can either set it to "no" and ignore the problem (which might result in the code ceasing to work at some point in the future when the deprecated feature is removed), or provide more information so that a workaround or a replacement for the deprecated

Re: [wanted] automagic generation of graphs

Marco Maggi wrote: Thanks to all. Am I correct in saying that with a form like: (a . body) if the symbol 'a' appears in 'body' the graph is cyclic, while if the symbol does not appear in its own body the graph is Acyclic? Well, it is immediately obvious that any graph (or digraph) which has

Here's the attachment...

Jon Wilson wrote: Hi Marco, I cobbled something together for you real quick. Attached. The function you want to call is make-graph. node-count is obvious*. edge-density is the probability that any given node has an edge to any other given node. Symbol names are read from /usr/share/dict

Re: [wanted] automagic generation of graphs

Hi Marco, I cobbled something together for you real quick. Attached. The function you want to call is make-graph. node-count is obvious*. edge-density is the probability that any given node has an edge to any other given node. Symbol names are read from /usr/share/dict/words. * if you se

Proof of concept dynamic FFI

think of a better way to do it, or if you just think I look funny, let me know. Regards, Jon Wilson ___ Guile-user mailing list Guile-user@gnu.org http://lists.gnu.org/mailman/listinfo/guile-user

Re: undocumented bound symbols

Hi Ludovic, Thanks for committing my patch. Ludovic Courtès wrote: Note that most of the other undocumented symbols you listed are either from RnRS or some SRFI. It has been just long enough now that I don't remember exactly what I did. I do recall that I took all r5rs symbols (that were li

Re: current module fluid

Hi Ludovic, Thanks for the suggestion. I likely never would have found save-module-excursion on my own. Ludovic Courtès wrote: And no, it's not documented (patch welcome! ;-)). Here we are: (attached) Regards, Jon Index: api-modules.texi =

Re: current module fluid

rsion of load-with-env will not work. Furthermore, (although I expected this to work even less...) guile> (fluid? current-module)) #f Regards, Jon Ludovic Courtès wrote: Hi, Jon Wilson <[EMAIL PROTECTED]> writes: I was poking around the source (guile-core/libguile/modules.c)

current module fluid

Hi, I was poking around the source (guile-core/libguile/modules.c), and noticed that the current toplevel module is stored in a fluid named (in C, anyway) "the_module". Is this fluid accessible from scheme? (it does not appear to be) Is there a good reason why it should not be made accessible?

Re: load in environment

w LOAD, so that the ASL declarations could be split out into multiple files if the user wanted. Regards, Jon Marco Maggi wrote: "Jon Wilson" wrote: I'm writing a function to load up some data from a file and stick it in a hash table. Lemmesee if I get it: 1. data represe

Re: load in environment

Stephen Compall wrote: The closure isn't "inside" any module; you merely gave it a binding in your temporary module. A. You seem to have effectively defuzzied my thinking. Again, thanks! Jon ___ Guile-user mailing list Guile-user@gnu.org http:

Re: load in environment

Stephen Compall wrote: What other Guile state might you want to modify in the dynamic context of a load, though? Dynamic-wind looks like a quite good idea here. I'll probably use that. Thanks. Well, I'm writing a function to load up some data from a file and stick it in a hash table.

load in environment

Hi, I was wondering if there is a built-in way to eval the contents of a file inside of an environment other than (current-module)? We have eval and primitive-eval, and it seems that load is currently (conceptually) a read, primitive-eval loop until eof is reached. Why not allow an environme

Re: hash-get-handle and hash-ref redundant

Stephen Compall wrote: Not exactly true: Right. My bad. Thank you for clarifying. Regards, Jon ___ Guile-user mailing list Guile-user@gnu.org http://lists.gnu.org/mailman/listinfo/guile-user

hash-get-handle and hash-ref redundant

Hi, The procedure hash-get-handle seems to be a less useful version of hash-ref. guile> (help hash-get-handle ) `hash-get-handle' is a primitive procedure in the (guile) module. -- Scheme Procedure: hash-get-handle table key This procedure returns the `(key . value)' pair from the hash t

Re: SRFI-19 bug: date->julian-day not inverse of julian-day->date

put from cvs diff. Regards, Jon Jon Wilson wrote: Hi, Take a gander: guile> (date->string (current-date)) "Wed Jun 27 16:39:42-0400 2007" guile> (date->string (julian-day->date (date->julian-day (current-date "Wed Jun 27 12:39:43-0400 2007" Offset b

SRFI-19 bug: date->julian-day not inverse of julian-day->date

Hi, Take a gander: guile> (date->string (current-date)) "Wed Jun 27 16:39:42-0400 2007" guile> (date->string (julian-day->date (date->julian-day (current-date "Wed Jun 27 12:39:43-0400 2007" Offset by four hours from one another. Of course, the four hours comes from the -0400 time zone. B

Re: undocumented bound symbols

Hi again, In the interest of getting things started, I took care of one of the easy ones. I checked out the latest from CVS HEAD, and added both "1+" and "1-" to the manual there. Here is the output from cvs diff (attached). I have checked to make sure the docs still build properly. They d

undocumented bound symbols

Hi all, Every now and then, I get slightly annoyed at the number of things in guile which seem to be completely undocumented. So, I decided to make a list of them. Attached are the following flat text files, one symbol per line: bound: a list of symbols which are bound at startup, plus (use

Re: Tastiera-Dura 1.10 available

to know what it says. If you don't care whether or not anyone on this list knows what your message says, then why are you posting it here in the first place? Jon Wilson Thien-Thi Nguyen wrote: release notes: farfala.png fatto con inkscape. fresco! thi LEGGIMI ex

Re: infixorder -- more hints for Oriana, and a slightly OT but interesting consideration

Hi Luca, Ok, I think I've helped you. Now in return I'd like you to listen, while I tell you a little story. --snip all content-- Best wishes for your life, Hear hear! I love a good impassioned speech, and particularly when it is advocating the Right Thing. You aren't by any chance

Re: infixorder

Teaching/MTP/Common/Strandh-Tutorial/indentation.html"; apply more or less to scheme as well. As that page says, indentation rules are /not/ a matter of personal taste, but a matter of /shared culture/. Best of luck with your homework, Jon Wilson oriana paro wrote: Hi. I'm learning scheme

Re: How could this be implemented?

Hi Andy, I (clearly) don't think it is silly, but I don't think that the guile developers should think it is silly either, as one of guile's original goals was to be able to emulate other languages. Bash is a quite common and useful language, so why shouldn't we try to emulate it? My idea wo

Re: How could this be implemented?

Hi Per, Per Bothner wrote: You really don't want to do non-trivial programming in bash ... Also, remember it's a different niche. If you try to combine bash and scheme, you might get something that sort-of-works but has terrible performance, debugability, etc. But this is precisely what I'm ai

Re: How could this be implemented?

Hi Robby, Just in case you haven't already heard about it, you might check out scsh. I've looked at scsh. The whole (run (ls)) thing is just too much noise for me. It is slightly better than (system "ls"), but I still don't quite like it well enough. Regards, Jon __

Re: How could this be implemented?

Hi, Jon Wilson wrote: Perhaps the best way to implement this would be as an error handler for the Unbound variable error. Except the more I think about it, the more I suspect that this would in fact require restarts a la common lisp. Why doesn't scheme (except MIT scheme) have res

Re: How could this be implemented?

Hi Per, Per Bothner wrote: You really have to treat ls as a macro, which is resolved at compile-time. Otherwise, it becomes near-impossible to compile name-lookup efficiently. And if you can't compile it, it's a toy. Bash script is not compiled, but it is quite useful. Not a toy at all. >

How could this be implemented?

Hi, I've been toying with an odd little idea for a bit. It would add a whole slew of symbols to guile's toplevel, but might well make it much more useful as a shell or as a system administration scripting language. Suppose that we could run executable files found in the $PATH as if we were j

manual change suggestion

Hi, On the page "http://www.gnu.org/software/guile/docs/docs-1.8/guile-ref/define_002a-Reference.html";, in the first paragraph describing define* and define*-public, we have the following: They also support arbitrary-depth currying, just like Guile's define. I found this very interesting, a

Re: alloca bug

Hi Kevin, Kevin Ryde wrote: Jon Wilson <[EMAIL PROTECTED]> writes: I need some help understanding what you've said. AC_FUNC_ALLOCA in configure normally uses an alloca.c (libguile/alloca.c) to provide alloca() if the compiler or C library doesn't otherwise have

Re: alloca bug

Hi Neil, Neil Jerram wrote: One thing to be aware of is that the so-called "portable" implementation of alloca() in alloca.c just doesn't work with Guile, because it doesn't really allocate memory on the stack. alloca.c from where? From libc? If so, which libc? Or do you mean some file al

Re: ./guile-config : permission denied

Hi Neil, In another email (perhaps in another thread), Gopi said that the usual unpack, configure, make, make install was what he did. The problem with alloca seems to be a real bug, but if so, as Kevin has said it would properly be a matter for the autoconf people, not us. I'm waiting on ge

Re: alloca bug

Hi, I'm still trying to get a shell account on my friend's FreeBSD machine. Once I've got that, it shouldn't take very long to file a bug report. Regards, Jon ___ Guile-user mailing list Guile-user@gnu.org http://lists.gnu.org/mailman/listinfo/guile

Re: alloca bug

Whoops I sent this email just to Kevin instead of the list... sorry folks. Hi Kevin, Assuming we're using the blob correctly then it's an autoconf problem. Is the blob supposed to come before including ? Though that sounds too easy to mess up, you'd hope the blob could be made to cope with be

Re: alloca bug

And here was Kevin's reply: What I'm thinking is that perhaps there is a needed blob for using stdlib? Perhaps, though the previous version from autoconf didn't. What it did used to have though was a wrapping #ifndef, #ifndef alloca # ifdef __GNUC__ # define alloca __builtin_alloca # else #

Re: any ideas on undefined reference

guile developer. There are much more thoroughly knowledgeable people than myself who do that sort of thing. I am just a regular old guile user. Thanks for letting me help you! Regards, Jon Wilson Gopi kumaran wrote: Hi You are welcome.Everything under guile is working fine now.I have to go th

alloca bug

Hi, So it looks like the blob in libguile/eval.c (lines 40-56) from the autoconf manual to define alloca doesn't work on BSD systems. This is in guile 1.8.1. In the subdirectory libguile: eval.c includes __scm.h __scm.h includes scmconfig.h scmconfig.h seems to only be created while make all

Re: any ideas on undefined reference

libgraph' words in my mail. You are welcome to ask anything further regards Gopi */Jon Wilson <[EMAIL PROTECTED]>/* wrote: Hi Gopi, Also, we would like the solutions to your problems with: - crt1.o undefined reference to main - alloca - libltdl not found These

Re: any ideas on undefined reference

in the first 3 lines you may be having some other path mentioned. Because of this it is asking the question "Is guile installed". Change it to the path /usr/local/bin and save it I hope this gave the solution regards Gopi */Jon Wilson <[EMAIL PROTECTED]>/* wrote: Hi

Re: any ideas on undefined reference

lines you may be having some other path mentioned. Because of this it is asking the question "Is guile installed". Change it to the path /usr/local/bin and save it I hope this gave the solution regards Gopi */Jon Wilson <[EMAIL PROTECTED]>/* wrote: Hi Gopi, I'm now

Re: any ideas on undefined reference

Hi Gopi, I'm now rather confused. Are you still working on getting guile installed? Everything below seems to be part of libgraph, which is a completely separate animal from guile. On the guile-user mailing list, we might be able to help you install guile (no guarantees, of course), but any

Re: any ideas on undefined reference

Hi Gopi, What output did make give before and after the error (just several lines, at LEAST including the call to the compiler or the linker which caused this error)? What are the values of some of your shell variables, such as LD_LIBRARY_PATH, and the contents of the /etc/ld.so.conf file? H

Re: crt1.o error

Hi Gopi, Do you think you could find out what your colleague did? It is likely quite important for us to know that, so that we can fix things so that guile-1.8 installs smoothly on BSD in the future. Regards, Jon Gopi kumaran wrote: hi all guile-config error gone.i dont know what my colleaug

Re: ./guile-config : permission denied

Hi Steve, steve tell wrote: guile-config (at least in 1.6.x) is a script started with "#!/usr/bin/guile" or in this case, perhaps "#!/usr/local/bin/guile" If there was a problem building or installing the interpreter (or perhaps the shared libraries it needs?) that might explain this result.

Re: ./guile-config : permission denied

Gopi kumaran wrote: hi my path says /sbin /bin /usr/sbin /usr/bin /usr/games /usr/local/sbin *_/usr/local/bin_* /usr/X11R6/bin /root/bin Looks good. ls -ld /usr/local/bin/ drwxr-xr-x 3 root wheel 1536 dec 2 15:14 /usr/local/bin/ Looks good. ls -ld /usr/local/ drwxr-xr-x 3 root wheel 15

Re: ./guile-config : permission denied

to do now?is it because that i copied the folder to that bin folder? help me regards gopi */Jon Wilson <[EMAIL PROTECTED]>/* wrote: Hi Gopi, Are you sure that the execute permissions are set for the guile-config executable? Check this with ls -l /path/to/guile-config

Re: problems in guile installation,help me

nuing with ur #undef on line 43 to next error i.e permission denied.let me see that and reply u in another mail. Gopi */Jon Wilson <[EMAIL PROTECTED]>/* wrote: Hi Gopi, Try adding, in eval.c, a line just before line 44, which is as follows: #undef alloca See if tha

Re: readline eats previous text on line

Hi, (non)Update on this old issue. Neil Jerram wrote: Good point. I believe Jon's going to raise this (inability to do readline starting from the column after the prompt) with the readline people. I filed a bug report some time ago, since I was unable to find any sort of users mailing list. I

Re: ./guile-config : permission denied

Hi Kevin, Kevin Ryde wrote: Jon Wilson <[EMAIL PROTECTED]> writes: $ chmod a+x /path/to/guile-config Which is supposed to be done by guile-config/Makefile.am at install time of course. If that didn't happen maybe there's some bug ... Naturally. We'd need

Re: problems in guile installation,help me

n file included from ../libguile/scmconfig.h:29, from ../libguile/__scm.h:76, from eval.c:36: /usr/include/stdlib.h:230:1: this is the location of the previous definition Error code 1 Expecting your early reply regards Gopi */Jon Wilson &l

Re: ./guile-config : permission denied

Hi Gopi, Are you sure that the execute permissions are set for the guile-config executable? Check this with ls -l /path/to/guile-config . It should look something like $ ls -l /usr/local/bin/guile-config -rwxr-xr-x 1 root root 9110 2006-11-30 10:00 /usr/local/bin/guile-config The gibberish

Re: problems in guile installation,help me

Hi Gopi, Could you please send plain text emails with the actual message in the body of the email rather than an attached forwarded message? This sort of thing is slightly annoying and makes it slightly more difficult for us to help you. I'm not really familiar with the BSDs, but perhaps you nee

Re: guile and XML (mixp)

Hi Neil, What seems very reasonable, however, would be a way for a module to discover whether it is being loaded for use-syntax or use-module, so that it can emit a warning, or even signal an error, if the use is inappropriate. Perhaps something like this... (define-module (ice-9 syncase) .

Re: guile and XML (mixp)

Hi Neil, Whoever is doing (use-modules (ice-9 syncase)) needs to do (use-syntax (ice-9 syncase)) instead. I see this fairly often. Perhaps there should be some little widget in (ice-9 syncase) which says "If you try to use=modules me, you will actually get use-syntax instead.). Or could an

Re: Bug in environment-module in 1.6.8?

Hi Daniel, Sorry I can't really shed any light on this, but I would like to point out that the old definition from 1.6.4 is, to me at least, much more clear. I wouldn't even like to hazard a guess as to what the "eval-closure-module" function returns, but the procedure-property invocation is

Re: any news on 1.8 and slib?

Hi Neil, Thanks for responding. It looks like both Rob and Kevin are away at the moment, and they're the guys that know about this. Do you have a specific deadline? No, I'd just like to see it happen. I'd like to see more people using guile, as I think it would help the project, and I suspe

Re: any news on 1.8 and slib?

Hi, I also would be interested in having guile-1.8 for debian (and thus for ubuntu as well). Let's get it done! From Kevin Ryde * guile.init: Fixed line-i/o in Guile >= 1.8. Is this the fix which packagers have been waiting for? I don't know. I hope it is. Is there anything that I (

Re: Where can I find the pdf version of the guile documentation?

Hi Shrek, I believe that when you download the guile-1.8 source, that the documentation comes along with it as texinfo. You can make pdf, ps, whatever, from the texinfo source. Regards, Jon shrek wrote: I need the printable version of "Reference Manual for Guile 1.8" and "How to Extend C Pr

Re: Installing problem

Hi HB, Really this is a question for a readline mailing list, group, or forum. In the future, please don't cross-post like this. But since you've sent your message here already, could you send a more complete transcript of the output from configure and especially from make? Also, please describe

Re: readline eats previous text on line

Hi Kevin, It might be as simple as (readline "foo: ") Not sure if that's meant to be documented, seems like a pretty sensible usage, even if reading current-input-port might be usual. Sorry, I think I misunderstood you before. I thought you had gotten confused between `read-line' a

Re: readline eats previous text on line

Hi Kevin, (readline "foo: ") This gives an error. (read-line (current-input-port) 'trim "foo: ") does not give an error, but "foo: " is ignored. The first two arguments are the port to read from and the handle-delim value. Any further arguments seem to be completely ignored. Sor

readline eats previous text on line

Hi, I'm trying to read user input (interactive) using guile. I'd like to use (ice-9 readline), so that the user can use backspace and history and such. I'd also like to have a prompt at the beginning of the line. These last two desires seem to be incompatible, at least mod my best efforts.

Re: Manual revision?

Hi Neil, Guile 1.8 is the same as 1.6, except that the function slot is used by the experimental Emacs Lisp support that Guile 1.8 has (to hold a symbol's Lisp function value, as you'd probably guess). It's still true that you would be wise to use (make-object-property) instead, though. Sound

Manual revision?

Hi, The manual for 1.8, at "http://www.gnu.org/software/guile/docs/docs-1.8/guile-ref/Symbol-Props.html#index-symbol_002dpset_0021-883";, says the following: >Support for these extra slots may be removed in a future release, and it >is probably better to avoid using them. (In release 1.6, Guil

Re: atexit function

Hi Marco, I wonder if it is possible to use an async for this? I've never used asyncs, so I'm not sure of their capabilities, but it seems like that would be the natural way to implement something like this. Regards, Jon Marco Maggi wrote: Is it possible to have an ATEXIT function? That is:

Re: undocumented function repl

Hi Neil, Neil Jerram wrote: Jon Wilson <[EMAIL PROTECTED]> writes: Hi y'all, I just ran across the function 'repl' ( #), which doesn't have a docstring, and doesn't appear in the manual (well, ok fine, the procedure index of the manual). I'm using 1.

undocumented function repl

Hi y'all, I just ran across the function 'repl' ( #print)>), which doesn't have a docstring, and doesn't appear in the manual (well, ok fine, the procedure index of the manual). I'm using 1.8. I tried calling it as: (repl read primitive-eval display) but that didn't seem to give very meaningfu

Re: testing arity

Thanks, Neil. Sounds like an excellent answer! Regards, Jon Neil Jerram wrote: [EMAIL PROTECTED] writes: On Sat, Jul 22, 2006 at 11:19:28AM -0500, Jon Wilson wrote: Hi, Is there a good way to determine the number of arguments that a given procedure will take? Here's a fishin

Re: testing arity

Hi Ralf, [EMAIL PROTECTED] wrote: What doesn't work with 'arity'? Ah. The answer to that question is "It is not documented in the guile manual, nor in R5RS.". Regards, Jon ___ Guile-user mailing list Guile-user@gnu.org http://lists.gnu.org/mai

testing arity

Hi, Is there a good way to determine the number of arguments that a given procedure will take? I suppose I can look at (source proc) and extract the list of formals, and write a procedure which does this automatically, but I'd hate to reinvent the wheel. Also, I'm not sure how well using sou

Re: scm_shell in gui

Thanks to all, this looks helpful. Ludovic Courtès wrote: Hi, Jonathan Wilson <[EMAIL PROTECTED]> writes: Is it possible to call scm_shell with different stdin and stdout? The primary purpose of this that I can see would be to run a guile shell inside a text area of a gui or something like

Re: gh_ to scm_ manual bug (another one!)

Similarly, gh_eval_str is pointed at scm_c_eval_string, but I only find scm_eval_string. Regards, Jon Jon Wilson wrote: Hi, In the section of the manual titled "Transitioning away from GH", under the gh_ procedure "gh_eval_file", we are instructed to use

gh_ to scm_ manual bug

Hi, In the section of the manual titled "Transitioning away from GH", under the gh_ procedure "gh_eval_file", we are instructed to use the scm_ procedure "scm_c_primitive_load". However, the procedure index does not list this function; it instead lists a function called "scm_primitive_load".

Re: modify environments to make sandboxes

Hi all, How about having the ability to capture the current lexical environment and use it as an environment for eval? Something like call/cc, but I guess call/env. In essence, this would make environments useful as first class objects (perhaps). (define my-env #f) (let ((a 0) (b 1) (c 2))

Re: minimalist guile

Mildred wrote: I also like the object-oriented way to call functions/methods, that is the functions are not defined globally but related to an object. For example, I think about : ((myobject 'mymethod) parameters ...) I prefer that to (myclass-mymethod myobject parameters ...

guile profiling tools?

Hi, I was wondering if there was any code somewhere to profile my guile code as it runs? For finding where optimization is needed, of course. I found the following thread from [EMAIL PROTECTED] http://sourceware.org/ml/guile/1998-08/msg00114.html But there doesn't seem to be anything at all i

Re: values->list elements

Hi, Steele & Gabriel: The Evolution of Lisp, 1993, page 57-59. This can be found here: http://www.dreamsongs.com/NewFiles/HOPL2-Uncut.pdf In this pdf, I think the relevant section is pages 85-87. I'm not sure what HOPL stands for, though. Regards, Jon _

values->list elements

Hi y'all, Is there any sensible way to implement the following semantics: (+ (values 1 2)) ==> 3 Or perhaps with a macro of some sort (but preferably as above)... (+ (values->list-elements (values 1 2))) ==> 3 The intermediate step (after the macro expansion I guess) would look like (+ 1 2) =

scheme-79?

Hi, I guess this is slightly OT, but I was wondering if there has been any activity lately as regards lisp hardware? I have heard about "lisp on a chip", or scheme-78, 79, but as far as can tell, that died ages ago, and I can't even find a way to get an old chip anywhere. Anybody? Regards, J

Re: Newbie question: bind a variable on the fly

Hi Vincent, Don't try this just yet. I want other people to give it a look-over and make sure it isn't foolish and dangerous before anybody lets it out in the wild. This doesn't use the exception, and it doesn't use a c function, and it doesn't do database lookups. However, it can be used

Re: idea: create module

Hi Neil, Neil Jerram wrote: I still think that something within the language would be useful, Jon, You may well be right. Although my initial thought was to see it as more natural to run guile within an editor (or some kind of IDE, more generally), having the other way round available as we

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