-
-#define IMPLEMENT_SIMPLE_SMOBS(CL) \
-long CL::smob_tag_; \
-SCM \
-CL::smob_p (SCM s) \
-{ \
- if (SCM_NIMP(s) && SCM_CELL_TYPE(s) == smob_tag_) \
- return SCM_BOOL_T; \
- else \
- return SCM_BOOL_F; \
- \
-} \
-void \
-CL::init_smobs () \
-{ \
- smob_tag_ = scm_make_smob_type_mfpe ( \
- #CL, 0, CL::mark_smob, CL::free_smob, CL::print_smob, \
- CL::equal_p); \
-} \
-SCM CL::smobbed_self () const \
-{ \
- SCM s; \
- s = gh_cons (SCM_PACK(CL::smob_tag_), SCM_PACK(this)); \
- scm_done_malloc(sizeof(CL)); \
- \
- return s; \
-} \
-CL * \
-CL::unsmob (SCM s) \
-{ \
- if (SCM_NIMP(s) && SCM_CELL_TYPE(s) == smob_tag_) \
- return (CL*) SCM_CELL_WORD_1(s); \
- else \
- return 0; \
-} \
-scm_sizet \
-CL::free_smob (SCM ses) \
-{ \
- CL * s = (CL*) SCM_CDR(ses); \
- delete s; \
- return sizeof (CL); \
-} \
-ADD_SCM_INIT_FUNC(CL, CL::init_smobs)
-
-#define IMPLEMENT_SMOBS(CL) \
-IMPLEMENT_SIMPLE_SMOBS(CL) \
-SCM \
-CL::smobify_self () \
-{ \
- SCM s = unprotected_smobify_self ();\
- scm_protect_object (s);\
- return s;\
-}\
-SCM \
-CL::unprotected_smobify_self () \
-{ \
- /* \
- This is local. We don't assign to self_scm_ directly, to assure \
- that S isn't GC-ed from under us. \
- \
- We don't use smobbed_self () to ensure that mark_smob () doesn't have to \
- deal half-initialized objects: scm_done_malloc( ) might trigger GC. \
- the warning in smobs.hh is just to be doubleplus goodly sure \
- */ \
- SCM s; \
- SCM_NEWCELL(s); \
- SCM_SETCAR(s,CL::smob_tag_); \
- SCM_SETCDR (s, SCM_PACK(this)); \
- self_scm_ = s; \
- scm_done_malloc(sizeof(CL)); \
- return s; \
-}
+#define IMPLEMENT_SMOBS(CL) \
+ IMPLEMENT_BASE_SMOBS (CL) \
+ void \
+ CL::smobify_self () \
+ { \
+ protection_cons_ = SCM_EOL; \
+ self_scm_ = unprotected_smobify_self (); \
+ protect (); \
+ } \
+ void \
+ CL::protect () \
+ { \
+ protect_smob (self_scm_, &protection_cons_); \
+ } \
+ SCM \
+ CL::unprotect () \
+ { \
+ unprotect_smob (self_scm_, &protection_cons_); \
+ return self_scm_; \
+ } \
+ SCM \
+ CL::unprotected_smobify_self () \
+ { \
+ /* \
+ This is local. We don't assign to self_scm_ directly, to assure \
+ that S isn't GC-ed from under us. \
+ \
+ We don't use smobbed_self () to ensure that mark_smob () doesn't \
+ have to deal half-initialized objects: scm_done_malloc ( ) might \
+ trigger GC.the warning in smobs.hh is just to be doubleplus \
+ goodly sure \
+ */ \
+ SCM s; \
+ SCM_NEWSMOB (s, CL::smob_tag_, this); \
+ self_scm_ = s; \
+ scm_gc_register_collectable_memory (this, sizeof (CL), #CL " smob"); \
+ return s; \
+ }