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* objects.h (scm_si_redefined, scm_si_hashsets): Shifted.

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* objects.h (SCM_OPERATOR_SETTER, SCM_ENTITY_SETTER): New macros.
(struct scm_metaclass_operator): New setter slot.
* objects.h (SCM_OBJ_CLASS_REDEF): New macro: Find class slots
directly through the instance.
* objects.c, objects.h (scm_class_of,
scm_class_procedure_with_setter): Added.
* objects.c, objects.h (SCM_CLASS_REDEF): Renamed from CLASS_REDEF.
This commit is contained in:
Mikael Djurfeldt 1999-03-11 11:47:00 +00:00
parent ab7288bca0
commit dae5a1e96f
1 changed files with 23 additions and 1 deletions
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24
libguile/objects.h
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@ -89,6 +89,7 @@
#define SCM_OPERATOR_PROC_1(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->proc1)
#define SCM_OPERATOR_PROC_2(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->proc2)
#define SCM_OPERATOR_PROC_3(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->proc3)
#define SCM_OPERATOR_SETTER(obj) (SCM_OBJ_OPERATOR_CLASS (obj)->setter)
#define SCM_I_ENTITYP(obj)\
((SCM_OBJ_CLASS_FLAGS (obj) & SCM_CLASSF_ENTITY) != 0)
@ -96,6 +97,7 @@
#define SCM_ENTITY_PROC_1(obj) (SCM_STRUCT_DATA (obj)[scm_struct_i_proc + 1])
#define SCM_ENTITY_PROC_2(obj) (SCM_STRUCT_DATA (obj)[scm_struct_i_proc + 2])
#define SCM_ENTITY_PROC_3(obj) (SCM_STRUCT_DATA (obj)[scm_struct_i_proc + 3])
#define SCM_ENTITY_SETTER(obj) (SCM_STRUCT_DATA (obj)[scm_struct_i_setter])
/* {Operator classes}
*
@ -137,7 +139,7 @@ struct scm_metaclass_standard {
SCM print;
};
#define SCM_METACLASS_OPERATOR_LAYOUT "popopopo"
#define SCM_METACLASS_OPERATOR_LAYOUT "popopopopo"
struct scm_metaclass_operator {
SCM layout;
SCM vcell;
@ -147,6 +149,7 @@ struct scm_metaclass_operator {
SCM proc1;
SCM proc2;
SCM proc3;
SCM setter;
};
/* {Entity classes}
@ -159,9 +162,28 @@ struct scm_metaclass_operator {
*/
#define SCM_ENTITY_LAYOUT ""
/* The following three definitions are Goops dependencies needed by
scm_class_of. */
#define SCM_CLASSF_GOOPS (0x10 << 24)
#define scm_si_redefined 18
#define scm_si_hashsets 20
#define SCM_CLASS_OF(x) SCM_STRUCT_VTABLE (x)
#define SCM_OBJ_CLASS_REDEF(x) (SCM_STRUCT_VTABLE_DATA(x)[scm_si_redefined])
extern SCM scm_metaclass_standard;
extern SCM scm_metaclass_operator;
extern SCM scm_class_boolean, scm_class_char, scm_class_pair;
extern SCM scm_class_procedure, scm_class_string, scm_class_symbol;
extern SCM scm_class_procedure_with_setter;
extern SCM scm_class_vector, scm_class_null;
extern SCM scm_class_real, scm_class_complex, scm_class_integer;
extern SCM scm_class_keyword, scm_class_unknown;
extern void (*scm_change_object_class) (SCM, SCM, SCM);
extern void (*scm_memoize_method) (SCM x, SCM args);
extern SCM scm_class_of (SCM obj);
extern SCM scm_entity_p (SCM obj);
extern SCM scm_set_object_procedure_x (SCM obj, SCM procs);
extern SCM scm_make_class_object (SCM metaclass, SCM layout);