--- /dev/null
+/*
+ grob-smob.cc -- implement GROB smob routines.
+
+ source file of the GNU LilyPond music typesetter
+
+ (c) 2005 Han-Wen Nienhuys <hanwen@xs4all.nl>
+
+*/
+
+
+#include "grob.hh"
+
+#include "paper-score.hh"
+
+#include "ly-smobs.icc"
+
+IMPLEMENT_SMOBS (Grob);
+IMPLEMENT_DEFAULT_EQUAL_P (Grob);
+
+SCM
+Grob::mark_smob (SCM ses)
+{
+ Grob *s = (Grob *) SCM_CELL_WORD_1 (ses);
+ scm_gc_mark (s->immutable_property_alist_);
+
+ if (s->key_)
+ scm_gc_mark (s->key_->self_scm ());
+ for (int a = 0; a < 2; a++)
+ {
+ scm_gc_mark (s->dim_cache_[a].offset_callbacks_);
+ scm_gc_mark (s->dim_cache_[a].dimension_);
+ scm_gc_mark (s->dim_cache_[a].dimension_callback_);
+
+ /* Do not mark the parents. The pointers in the mutable
+ property list form two tree like structures (one for X
+ relations, one for Y relations). Marking these can be done
+ in limited stack space. If we add the parents, we will jump
+ between X and Y in an erratic manner, leading to much more
+ recursion depth (and core dumps if we link to pthreads). */
+ }
+
+ if (s->original_)
+ scm_gc_mark (s->original_->self_scm ());
+
+ if (s->pscore_)
+ scm_gc_mark (s->pscore_->self_scm ());
+
+ s->do_derived_mark ();
+ scm_gc_mark (s->object_alist_);
+ scm_gc_mark (s->interfaces_);
+
+ return s->mutable_property_alist_;
+}
+
+int
+Grob::print_smob (SCM s, SCM port, scm_print_state *)
+{
+ Grob *sc = (Grob *) SCM_CELL_WORD_1 (s);
+
+ scm_puts ("#<Grob ", port);
+ scm_puts ((char *) sc->name ().to_str0 (), port);
+
+ /* Do not print properties, that is too much hassle. */
+ scm_puts (" >", port);
+ return 1;
+}
+
+SCM
+Grob::do_derived_mark () const
+{
+ return SCM_EOL;
+}
+
+IMPLEMENT_TYPE_P (Grob, "ly:grob?");
+