mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
6f8bfed18e
I was uncomfortable with the combination of an integer with a size specification (uint32_t) and a bit field.
48 lines
1.1 KiB
C
48 lines
1.1 KiB
C
/**
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** @file mruby/object.h - mruby object definition
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**
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** See Copyright Notice in mruby.h
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*/
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#ifndef MRUBY_OBJECT_H
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#define MRUBY_OBJECT_H
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#define MRB_OBJECT_HEADER \
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struct RClass *c; \
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struct RBasic *gcnext; \
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enum mrb_vtype tt:8; \
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unsigned int gccolor:3; \
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uint32_t flags:21
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#define MRB_FLAG_TEST(obj, flag) ((obj)->flags & (flag))
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struct RBasic {
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MRB_OBJECT_HEADER;
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};
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#define mrb_basic_ptr(v) ((struct RBasic*)(mrb_ptr(v)))
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#define MRB_FL_OBJ_IS_FROZEN (1 << 20)
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#define MRB_FROZEN_P(o) ((o)->flags & MRB_FL_OBJ_IS_FROZEN)
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#define MRB_SET_FROZEN_FLAG(o) ((o)->flags |= MRB_FL_OBJ_IS_FROZEN)
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#define MRB_UNSET_FROZEN_FLAG(o) ((o)->flags &= ~MRB_FL_OBJ_IS_FROZEN)
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#define mrb_frozen_p(o) MRB_FROZEN_P(o)
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struct RObject {
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MRB_OBJECT_HEADER;
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struct iv_tbl *iv;
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};
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#define mrb_obj_ptr(v) ((struct RObject*)(mrb_ptr(v)))
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#define mrb_special_const_p(x) mrb_immediate_p(x)
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struct RFiber {
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MRB_OBJECT_HEADER;
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struct mrb_context *cxt;
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};
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#define mrb_static_assert_object_size(st) \
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mrb_static_assert(sizeof(st) <= sizeof(void*) * 6, \
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#st " size must be within 6 words")
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#endif /* MRUBY_OBJECT_H */
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