On 25/01/2026 14:29, Peter Broadbery wrote:
On Fri, 23 Jan 2026 at 12:23, Kurt Pagani <[email protected]> wrote:
Cool, quite impressive, thanks :)
I asked two questions:
* Do you know the connection with aldor?
* Is it feasible to port fricas completely to aldor (instead of
common-lisp based)?
a tiny snippet out of the comprehensive answers
""
Based on the codebase, porting FriCAS completely to Aldor instead of
Common Lisp would be theoretically possible but practically infeasible
due to the deep architectural dependencies on Lisp throughout the system.
""
I also think so. Only recently I tinkered with the aldor interpreter and
have to conclude that it would need enormous effort to obtain a
comparable environment like current fricas is offering.
I made a clang/scan-build of aldor
(https://nilqed.github.io/aldor-scan-build/) and could fix some
SEGFAULTS and included some more #int options in order to change
appearance (prompt/type display) so it looks more like fricas. However,
similar look doesn't mean similar behavior ;)
(see https://github.com/nilqed/aldor/tree/nilqed)
This looks useful - the main changes could go into the main code base
if you're happy with that.
Yes, of course :) But do as you like.
(Since I don't use the interpreter mode much, any improvements and
ideas are appreciated)
I only committed a hack in this branch for the null pointers below (not
worth a pull request). Works well since.
[#int set history on ...]
Program received signal SIGSEGV, Segmentation fault.
0x0000555555705da7 in dnfIsTrue (xx=0x0) at dnf.c:391
[import from Set]
Program received signal SIGSEGV, Segmentation fault.
0x00005555556d0afc in symeExtensionFirst (syme=0x0) at syme.c:401
The clang scan looks good as well - I'll look into getting rid of the
easier issues.
Well, I'm not sure if all the 'deref null ptrs' really will have an
impact. Although I providently fixed some, it might be better to wait on
... ?
Thanks,
Thank you as well!
Peter
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