Ruby  3.1.4p223 (2023-03-30 revision HEAD)
object.h
1 #ifndef INTERNAL_OBJECT_H /*-*-C-*-vi:se ft=c:*/
2 #define INTERNAL_OBJECT_H
11 #include "ruby/ruby.h" /* for VALUE */
12 #include "internal/class.h" /* for RCLASS_IV_INDEX_TBL */
13 
14 #ifdef ROBJECT_IV_INDEX_TBL
15 # undef ROBJECT_IV_INDEX_TBL
16 #endif
17 
18 /* object.c */
20 NORETURN(void rb_undefined_alloc(VALUE klass));
21 double rb_num_to_dbl(VALUE val);
22 VALUE rb_obj_dig(int argc, VALUE *argv, VALUE self, VALUE notfound);
23 VALUE rb_immutable_obj_clone(int, VALUE *, VALUE);
24 VALUE rb_check_convert_type_with_id(VALUE,int,const char*,ID);
25 int rb_bool_expected(VALUE, const char *);
26 static inline void RBASIC_CLEAR_CLASS(VALUE obj);
27 static inline void RBASIC_SET_CLASS_RAW(VALUE obj, VALUE klass);
28 static inline void RBASIC_SET_CLASS(VALUE obj, VALUE klass);
29 static inline struct st_table *ROBJECT_IV_INDEX_TBL_inline(VALUE obj);
30 
31 RUBY_SYMBOL_EXPORT_BEGIN
32 /* object.c (export) */
33 int rb_opts_exception_p(VALUE opts, int default_value);
34 RUBY_SYMBOL_EXPORT_END
35 
36 MJIT_SYMBOL_EXPORT_BEGIN
37 CONSTFUNC(VALUE rb_obj_equal(VALUE obj1, VALUE obj2));
38 CONSTFUNC(VALUE rb_obj_not(VALUE obj));
39 VALUE rb_obj_not_equal(VALUE obj1, VALUE obj2);
40 void rb_obj_copy_ivar(VALUE dest, VALUE obj);
41 VALUE rb_false(VALUE obj);
42 VALUE rb_convert_type_with_id(VALUE v, int t, const char* nam, ID mid);
43 VALUE rb_obj_size(VALUE self, VALUE args, VALUE obj);
44 VALUE rb_get_freeze_opt(int argc, VALUE *argv);
45 MJIT_SYMBOL_EXPORT_END
46 
47 static inline void
48 RBASIC_SET_CLASS_RAW(VALUE obj, VALUE klass)
49 {
50  const VALUE *ptr = &RBASIC(obj)->klass;
51  *(VALUE *)ptr = klass;
52 }
53 
54 static inline void
55 RBASIC_CLEAR_CLASS(VALUE obj)
56 {
57  RBASIC_SET_CLASS_RAW(obj, 0);
58 }
59 
60 static inline void
61 RBASIC_SET_CLASS(VALUE obj, VALUE klass)
62 {
63  VALUE oldv = RBASIC_CLASS(obj);
64  RBASIC_SET_CLASS_RAW(obj, klass);
65  RB_OBJ_WRITTEN(obj, oldv, klass);
66 }
67 
69 static inline struct st_table *
70 ROBJECT_IV_INDEX_TBL_inline(VALUE obj)
71 {
72  if (RB_FL_ANY_RAW(obj, ROBJECT_EMBED)) {
73  VALUE klass = rb_obj_class(obj);
74  return RCLASS_IV_INDEX_TBL(klass);
75  }
76  else {
77  const struct RObject *const ptr = ROBJECT(obj);
78  return ptr->as.heap.iv_index_tbl;
79  }
80 }
81 #define ROBJECT_IV_INDEX_TBL ROBJECT_IV_INDEX_TBL_inline
82 
83 #endif /* INTERNAL_OBJECT_H */
static bool RB_FL_ANY_RAW(VALUE obj, VALUE flags)
This is an implenentation detail of RB_FL_ANY().
Definition: fl_type.h:556
VALUE rb_obj_class(VALUE obj)
Queries the class of an object.
Definition: object.c:188
VALUE rb_class_search_ancestor(VALUE klass, VALUE super)
Internal header for Object.
Definition: object.c:754
#define RB_OBJ_WRITTEN(old, oldv, young)
Identical to RB_OBJ_WRITE(), except it doesn't write any values, but only a WB declaration.
Definition: rgengc.h:232
RBIMPL_ATTR_PURE() int rb_io_read_pending(rb_io_t *fptr)
Queries if the passed IO has any pending reads.
static VALUE RBASIC_CLASS(VALUE obj)
Queries the class of an object.
Definition: rbasic.h:152
#define RBASIC(obj)
Convenient casting macro.
Definition: rbasic.h:40
#define ROBJECT(obj)
Convenient casting macro.
Definition: robject.h:43
Ruby's ordinal objects.
Definition: robject.h:93
Definition: st.h:79
uintptr_t ID
Type that represents a Ruby identifier such as a variable name.
Definition: value.h:52
uintptr_t VALUE
Type that represents a Ruby object.
Definition: value.h:40