mirror of
https://github.com/mruby/mruby
synced 2026-06-08 16:11:16 +00:00
Masaki Muranaka
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
/*
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** mruby/data.h - Data class
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**
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** See Copyright Notice in mruby.h
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*/
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#ifndef MRUBY_DATA_H
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#define MRUBY_DATA_H 1
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#if defined(__cplusplus)
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extern "C" {
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#endif
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struct mrb_data_type {
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const char *struct_name;
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void (*dfree)(mrb_state *mrb, void*);
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};
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struct RData {
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MRB_OBJECT_HEADER;
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struct iv_tbl *iv;
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struct mrb_data_type *type;
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void *data;
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};
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struct RData *mrb_data_object_alloc(mrb_state *mrb, struct RClass* klass, void *datap, const struct mrb_data_type *type);
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#define Data_Wrap_Struct(mrb,klass,type,ptr)\
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mrb_data_object_alloc(mrb,klass,ptr,type)
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#define Data_Make_Struct(mrb,klass,strct,type,sval) (\
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sval = mrb_malloc(mrb, sizeof(strct)),\
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{ static const strct zero = { 0 }; *sval = zero},\
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Data_Wrap_Struct(mrb,klass,type,sval)\
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)
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#define RDATA(obj) ((struct RData *)((obj).value.p))
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#define DATA_PTR(d) (RDATA(d)->data)
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#define DATA_TYPE(d) (RDATA(d)->type)
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void *mrb_get_datatype(mrb_state *mrb, mrb_value, const struct mrb_data_type*);
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void *mrb_check_datatype(mrb_state *mrb, mrb_value, const struct mrb_data_type*);
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#define Data_Get_Struct(mrb,obj,type,sval) do {\
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sval = mrb_check_datatype(mrb, obj, type); \
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} while (0)
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#if defined(__cplusplus)
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} /* extern "C" { */
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#endif
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#endif /* MRUBY_DATA_H */
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