source file of the GNU LilyPond music typesetter
- (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ (c) 2005--2006 Han-Wen Nienhuys <hanwen@xs4all.nl>
*/
#include "smobs.hh"
+/*
+ The CDR contains the actual protected list.
+ */
static SCM smob_protection_list;
void
}
ADD_SCM_INIT_FUNC (init_smob_protection, init_smob_protection);
+LY_DEFINE(ly_smob_protects, "ly:smob-protects",
+ 0,0,0, (),
+ "Return lily's internal smob protection list")
+{
+ return scm_cdr (smob_protection_list);
+}
+
+
+
+
void
protect_smob (SCM smob, SCM *prot_cons)
{
SCM s = scm_cdr (smob_protection_list);
while (scm_is_pair (s) && scm_car (s) == SCM_UNDEFINED)
- {
- s = scm_cdr (s);
- }
+ s = scm_cdr (s);
SCM prot = scm_cons (smob, s);
scm_set_cdr_x (smob_protection_list,
SCM next = scm_cdr (*prot_cons);
if (next == SCM_EOL)
- {
- scm_set_car_x (*prot_cons, SCM_UNDEFINED);
- }
+ scm_set_car_x (*prot_cons, SCM_UNDEFINED);
else
{
scm_set_car_x (*prot_cons, SCM_UNDEFINED);