-#define DECLARE_SMOBS \
- SCM smobify_self (); \
- static SCM mark_smob (SCM); \
- static scm_sizet free_smob (SCM s); \
- static int print_smob (SCM s, SCM p, scm_print_state*); \
- static long smob_tag_; \
- static SCM equal_p (SCM a, SCM b);\
- static void init_smobs(); \
- void unsmobify_self ();\
- void do_smobify_self();\
- SCM self_scm_;
-
-
-/**
- Check if S is of the specified C++ class.
- */
-#define SMOB_IS_TYPE_B(TYPE, S) (SCM_NIMP((S)) && SCM_CAR((S)) == TYPE::smob_tag_)
-
-/// Cast S. No checks are done.
-#define SMOB_TO_TYPE(TYPE, S) ((TYPE*) SCM_CDR((S)))
+#define DECLARE_SIMPLE_SMOBS(CL) \
+ public: \
+ SCM smobbed_copy () const; \
+ DECLARE_BASE_SMOBS (CL)
+
+#define DECLARE_BASE_SMOBS(CL) \
+ friend class Non_existent_class; \
+ private: \
+ static const char* smob_name_; \
+ static scm_t_bits smob_tag_; \
+ static SCM mark_smob (SCM); \
+ static size_t free_smob (SCM s); \
+ static int print_smob (SCM s, SCM p, scm_print_state*); \
+ public: \
+ static SCM equal_p (SCM a, SCM b); \
+ static CL *unsmob (SCM s) __attribute__((pure)) \
+ { \
+ if (SCM_NIMP (s) && SCM_CELL_TYPE (s) == smob_tag_) \
+ return (CL *) SCM_CELL_WORD_1 (s); \
+ else \
+ return 0; \
+ } \
+ static SCM smob_p (SCM); \
+ static void init_smobs (); \
+ private:
+
+#define DECLARE_SMOBS(CL) \
+ DECLARE_BASE_SMOBS (CL) \
+ protected: \
+ virtual ~CL (); \
+ SCM unprotected_smobify_self (); \
+ private: \
+ void smobify_self (); \
+ SCM self_scm_; \
+ SCM protection_cons_; \
+ public: \
+ SCM unprotect (); \
+ void protect (); \
+ SCM self_scm () const { return self_scm_; } \
+ private:
+
+#define DECLARE_UNSMOB(CL, name) \
+ inline CL * \
+ unsmob_ ## name (SCM s) \
+ { \
+ return CL::unsmob (s); \
+ }
+
+#define DECLARE_TYPE_P(CL) extern SCM CL ## _type_p_proc
+
+void protect_smob (SCM smob, SCM *prot_cons);
+void unprotect_smob (SCM smob, SCM *prot_cons);
+
+extern bool parsed_objects_should_be_dead;
+class parsed_dead
+{
+ static vector<parsed_dead *> elements;
+ SCM data;
+ SCM readout_one ()
+ {
+ SCM res = data;
+ data = SCM_UNDEFINED;
+ return res;
+ }
+public:
+ parsed_dead () : data (SCM_UNDEFINED)
+ {
+ elements.push_back (this);
+ }
+ void checkin (SCM arg) { data = arg; }
+ static SCM readout ();
+};
+
+#ifndef NDEBUG
+#define ASSERT_LIVE_IS_ALLOWED(arg) \
+ do { \
+ static parsed_dead pass_here; \
+ if (parsed_objects_should_be_dead) \
+ pass_here.checkin (arg); \
+ } while (0)
+#else
+#define ASSERT_LIVE_IS_ALLOWED(arg) do { (void)(arg); } \
+ while (0)
+#endif
+