[toronto-lisp] Fwd: Development helpers

[Brian Connoy]

Hi Aleksandar!

Like Paul, I can only speak for LispWorks.  While working in the Listener, the "History Search" command can be invoked with ALT+R.  In the minibuffer you will be able to enter 'doit-3' and press enter.  The DEFUN for 'doit-3' will appear at the prompt.

Perhaps there is something similar in other environments?

Cheers,
Brian Connoy


p.s.   Sorry, I didn't get to meet you at the last meet.



From: Aleksandar Matijaca [mailto:amatijaca at gmail.com]
Sent: Wednesday, October 06, 2010 10:48 PM
To: toronto-lisp at common-lisp.net
Subject: [toronto-lisp] Fwd: Development helpers



Hi there,

first of all Paul and Dave, thanks for replying!!  The question can perhaps be best explained
with an example:

repl=> (defun doit-3 (x)
(* 3 x))
repl=> '(some more cool stuff)
repl=>'(and more and more)

i keep testing and playing around with functions
more and more

I can certainly run my doit-3 function

repl=>(doit-3 4)
12
repl=>

and now, I say to myself, - how the heck did I write that doit-3, I forgot, because,
I wrote it 20 minutes ago, it obviously exists inside REPL because I can execute it...
So, how do I view [dump??] the contents of doit-3 to the screen, or to a file on the
disk, so I can invoke an editor and modify doit-3 and then reload it??

I am just interested in learning how to be more productive in a standard software
development cycle.

Thanks, Alex.



On Wed, Oct 6, 2010 at 4:59 PM, Paul Tarvydas <tarvydas at visualframeworksinc.com<mailto:tarvydas at visualframeworksinc.com>> wrote:
> Hi there,
>
> A bit of a noob question - let's say that I have an interactive Repl
> session that has been going on for about an hour or so, and all of a
> sudden I wish to modify a defun I wrote a while ago. What is the
> easiest way first to show that code on the console, modify it, and
> load it back into Repl ?
>
> I am just trying to come up with a comfortable development environment
> for myself.
There is something called "(dribble)" which records a transcript of your session.  I've never used it.

With LW, I typically use the editor to type into a file (buffer) and compile-load the buffer, or ^E one form or defun.  Undo can get you back to an earlier state.  I find that if I'm experimenting, I do it a function at a time, until I'm happy with it, so I never have to go back a full hour.

I take it that most free lisp users use emacs+slime.  You split the emacs window into two, one half shows your edit buffer, the other shows a lisp interaction.  A keystroke sends your current form to the interaction and you see the result in the interaction buffer.

pt
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