Hi again,
Could you please merge the following two patches:
patch-5
Fixed `guile-wct.c' so that the user-defined mark function gets called.
patch-6
Added support for `mark' and `free' in <gw-wct>.
The first one fixes a bug in `gw_wct_create ()': the MARK argument was
just ignored instead of being assigned to TYPE_DATA->MARK.
Additionally, it updated `wcp_data_mark ()' so that TYPE_DATA->MARK is
called when non-NULL.
The second patch proposes the addition of two slots to the <gw-wct>
class, namely `wcp-mark-function' and `wcp-free-function', that allow
the user to specify a pointer to a GC mark function and to a free
function. `initializations-cg', in guile/g-wrap/guile.scm, is modified
accordingly to pass those pointers to `gw_wct_create ()'.
This second change might be somewhat controversial since it is partly
Guile-specific. I believe `wcp-free-function' is _not_ specific,
but the other one is: not all garbage collectors use a ``mark and
sweep'' algorithm. However, I can't think of any other way to do that.
Thanks,
Ludovic.
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