mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Yukihiro "Matz" Matsumoto
7edbe428ca
`RSTR_FSHARED` use frozen strings as shared body instead of `struct mrb_shared_string`. This reduces allocation from literal strings.
46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/*
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** 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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enum mrb_vtype tt:8;\
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uint32_t color:3;\
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uint32_t flags:21;\
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struct RClass *c;\
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struct RBasic *gcnext
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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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/* flags bits >= 18 is reserved */
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#define MRB_FLAG_IS_FROZEN (1 << 18)
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#define MRB_FROZEN_P(o) ((o)->flags & MRB_FLAG_IS_FROZEN)
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#define MRB_SET_FROZEN_FLAG(o) ((o)->flags |= MRB_FLAG_IS_FROZEN)
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#define MRB_UNSET_FROZEN_FLAG(o) ((o)->flags &= ~MRB_FLAG_IS_FROZEN)
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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_immediate_p(x) (mrb_type(x) < MRB_TT_HAS_BASIC)
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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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#endif /* MRUBY_OBJECT_H */
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