mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
KOBAYASHI Shuji
8157672a29
On 64-bit CPU, there is padding in `RBasic`, so reorder the fields and use it as buffer of embedded string. This change allows 4 more bytes to be embedded on 64-bit CPU. However, an incompatibility will occur if `RString::as::ary` is accessed directly because `RString` structure has changed.
44 lines
1.0 KiB
C
44 lines
1.0 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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uint32_t color: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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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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