-/*
- ly-smobs.icc -- implement smob glue.
-
+/*
+ ly-smobs.icc -- implement smob glue.
+
source file of the GNU LilyPond music typesetter
-
- (c) 1999--2000 Han-Wen Nienhuys <hanwen@cs.uu.nl>
-
+
+ (c) 1999--2004 Han-Wen Nienhuys <hanwen@cs.uu.nl>
*/
#ifndef LY_SMOBS_ICC
#include "smobs.hh"
-
-#define IMPLEMENT_TYPE_P(CL, FUNCNAME)\
-void init_type_p_ ## CL ()\
-{\
- scm_c_define_gsubr (FUNCNAME, 1, 0, 0, (Scheme_function_unknown) CL::smob_p);\
- ly_add_function_documentation (FUNCNAME, "(SCM x)", "Check if @var{x} is a " #CL " object");\
-}\
-ADD_SCM_INIT_FUNC (init_type_p_ ## CL, init_type_p_ ## CL)
+#define IMPLEMENT_TYPE_P(CL, FUNCNAME) \
+SCM CL ## _type_p_proc; \
+void init_type_ ## CL () \
+{ \
+ SCM subr = scm_c_define_gsubr (FUNCNAME, 1, 0, 0, \
+ (Scheme_function_unknown) CL::smob_p); \
+ CL ## _type_p_proc = subr; \
+ ly_add_function_documentation (subr, FUNCNAME, "(SCM x)", \
+ "Is @var{x} a @code{" #CL "} object?"); \
+ scm_c_export (FUNCNAME, NULL); \
+} \
+ADD_SCM_INIT_FUNC (init_type_ ## CL, init_type_ ## CL)
#ifndef SCM_CELL_TYPE
#define SCM_CELL_TYPE(X) SCM_CAR (X)
#define SCM_CELL_WORD_1(X) SCM_CDR (X)
#endif
+#define IMPLEMENT_BASE_SMOBS(CL) \
+scm_t_bits 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 (#CL, 0); \
+ scm_set_smob_mark (smob_tag_, CL::mark_smob); \
+ scm_set_smob_free (smob_tag_, CL::free_smob); \
+ scm_set_smob_print (smob_tag_, CL::print_smob); \
+ scm_set_smob_equalp (smob_tag_, CL::equal_p); \
+} \
+ \
+size_t \
+CL::free_smob (SCM ses) \
+{ \
+ CL *s = (CL*) SCM_CDR (ses); \
+ delete s; \
+ scm_gc_unregister_collectable_memory (s, sizeof (CL), #CL " smob"); \
+ return SMOB_FREE_RETURN_VAL(CL); \
+} \
+ \
+ADD_SCM_INIT_FUNC (CL, CL::init_smobs)
+#define IMPLEMENT_SIMPLE_SMOBS(CL) \
+IMPLEMENT_BASE_SMOBS(CL); \
+SCM CL::smobbed_copy () const \
+{ \
+ CL *ptr = new CL (*this); \
+ SCM s; \
+ s = scm_cons (SCM_PACK (CL::smob_tag_), SCM_PACK (ptr)); \
+ scm_gc_register_collectable_memory ((CL*)this, sizeof (CL), #CL " smob"); \
+ \
+ return s; \
+} \
-#define IMPLEMENT_SIMPLE_SMOBS(CL) \
-scm_t_bits 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 (#CL, 0); \
- scm_set_smob_mark (smob_tag_, CL::mark_smob); \
- scm_set_smob_free (smob_tag_, CL::free_smob); \
- scm_set_smob_print (smob_tag_, CL::print_smob); \
- scm_set_smob_equalp (smob_tag_, CL::equal_p); \
-} \
-SCM CL::smobbed_self () const \
-{ \
- SCM s; \
- s = gh_cons (SCM_PACK (CL::smob_tag_), SCM_PACK (this)); \
- scm_gc_register_collectable_memory ((CL*)this, sizeof (CL), #CL " smob"); \
- \
- return s; \
-} \
-size_t \
-CL::free_smob (SCM ses) \
-{ \
- CL * s = (CL*) SCM_CDR (ses); \
- delete s; \
- scm_gc_unregister_collectable_memory (s, sizeof (CL), #CL " smob"); \
- return SMOB_FREE_RETURN_VAL(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_gc_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_NEWSMOB (s, CL::smob_tag_, this);\
- self_scm_ = s; \
- scm_gc_register_collectable_memory (this, sizeof (CL), #CL " smob"); \
- return s; \
+#define IMPLEMENT_SMOBS(CL) \
+IMPLEMENT_BASE_SMOBS (CL) \
+void \
+CL::smobify_self () \
+{ \
+ SCM s = unprotected_smobify_self (); \
+ scm_gc_protect_object (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_NEWSMOB (s, CL::smob_tag_, this); \
+ self_scm_ = s; \
+ scm_gc_register_collectable_memory (this, sizeof (CL), #CL " smob"); \
+ return s; \
}
-#define IMPLEMENT_DEFAULT_EQUAL_P(CL) \
-SCM \
-CL::equal_p (SCM a , SCM b) \
-{ \
- return a == b ? SCM_BOOL_T : SCM_BOOL_F; \
-}
+#define IMPLEMENT_DEFAULT_EQUAL_P(CL) \
+SCM \
+CL::equal_p (SCM a , SCM b) \
+{ \
+ return a == b ? SCM_BOOL_T : SCM_BOOL_F; \
+} \
#endif /* LY_SMOBS_ICC */
projects / lilypond.git / blobdiff