mirror of https://gitee.com/bigwinds/arangodb
59 lines
1.8 KiB
C
59 lines
1.8 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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typedef 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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} mrb_data_type;
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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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const 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 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,data) do { \
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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 = Data_Wrap_Struct(mrb,klass,type,sval);\
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} while (0)
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#define RDATA(obj) ((struct RData *)(mrb_ptr(obj)))
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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_data_check_type(mrb_state *mrb, mrb_value, const mrb_data_type*);
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void *mrb_data_get_ptr(mrb_state *mrb, mrb_value, const mrb_data_type*);
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#define DATA_GET_PTR(mrb,obj,dtype,type) (type*)mrb_data_get_ptr(mrb,obj,dtype)
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void *mrb_data_check_get_ptr(mrb_state *mrb, mrb_value, const mrb_data_type*);
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#define DATA_CHECK_GET_PTR(mrb,obj,dtype,type) (type*)mrb_data_check_get_ptr(mrb,obj,dtype)
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/* obsolete functions and macros */
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#define mrb_data_check_and_get(mrb,obj,dtype) mrb_data_get_ptr(mrb,obj,dtype)
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#define mrb_get_datatype(mrb,val,type) mrb_data_get_ptr(mrb, val, type)
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#define mrb_check_datatype(mrb,val,type) mrb_data_get_ptr(mrb, val, type)
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#define Data_Get_Struct(mrb,obj,type,sval) do {\
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*(void**)&sval = mrb_data_get_ptr(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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