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Mikael Djurfeldt 1998-11-26 08:41:56 +00:00
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This is the Guile developer notice-board. -*- change-log -*-
----------------------------------------------------------------------
CONTENTS: Notes of various kinds which the Guile developers want to
share among eachother, e. g., a memo about something which needs
fixing. Describing a certain problem here means that everyone is free
to fix it when and as he wishes. (Of course it can sometimes be suitable
to discuss it first.)
RULES: Entries should have a date and the name of the author. Entries
should be sufficiently detailed to enable other members of the team to
understand them, but they need not be comprehensible to people who
don't spend much time on Guile. This file should not go into
snapshots or distributions, but is a strictly internal document.
CONVENTIONS: ChangeLog format. (Reverse chronological order.)
----------------------------------------------------------------------
Sun Mar 9 15:45:14 1997 Mikael Djurfeldt <mdj@mdj.nada.kth.se>
* We need to discuss the long-term solution to Guile configuration
and customization.
* Some day when more important stuff (module system, threads, Tk
interface etc) has been completed, we should split up SCM's
ChangeLog among us, and go through all changes since the birth of
Guile. We might find many nice bug fixes and improvements...
* libguile/gc.c (scm_gc_sweep): The probability of collecting a
free cell should be very low (only occurring when a signal has
interrupted allocation). Nevertheless, the GC immediately exits
when the free cell test is enabled in the sweeper. Where does
this free cell come from?
* libguile/arbiters.c: Remove this file? When we've implemented
POSIX thread support, "arbiters" will be superfluous.
Thu Mar 6 00:54:59 1997 Mikael Djurfeldt <mdj@mdj.nada.kth.se>
* libguile/unif.c: Introduce "fancy printing" for vectors. "Fancy
printing" is performed by the printer when the `fancyp' flag is
set in the print state (see print.h). One of its effects is that
sequences should be printed with maximum `length' objects. (This
is currently only used in backtraces and error messages).
This works for lists, but not yet for vectors and arrays.
Wed Mar 5 22:56:19 1997 Mikael Djurfeldt <mdj@mdj.nada.kth.se>
* libguile/struct.c, libguile/struct.h, libguile/gc.c: Structs
need reimplementation. Both user interface and representation
need to be improved. E. g., the struct part of scm_gc_mark need
to be a lot more efficient. We should probably do this redesign
when designing(/porting) the object system.
* libguile/symbols.c (SCM_SYMBOL_HASH): This is slot is currently
not used for anything (except that it is used by symbol-hash). I
suppose it was originally intended to avoid doing multiple hashing
steps when handling symbols.
Mon Mar 3 21:36:58 1997 Mikael Djurfeldt <mdj@mdj.nada.kth.se>
* libguile/procprop.c: The current implementation of procedure
properties of closures uses a special property slot
(SCM_PROCPROPS (closure)), but primitive procedures don't have
such a slot. Setting or getting source properties for primitive
procedures currently involves making fake closures. These are
stored in an alist => finding the properties of a primitive
procedure is O (n primitive procedures with properties) which is
unacceptable.