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* error.c (rb_check_typed_struct): new function to check typed

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struct.

* include/ruby/ruby.h (Check_TypedStruct, Data_Get_TypedStruct):
  new macro to check typed struct.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@23981 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2009-07-07 04:44:54 +00:00
parent 0f2d1527ab
commit 7bb9cc23a1
3 changed files with 34 additions and 0 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
Tue Jul 7 13:44:49 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* error.c (rb_check_typed_struct): new function to check typed
struct.
* include/ruby/ruby.h (Check_TypedStruct, Data_Get_TypedStruct):
new macro to check typed struct.
Tue Jul 7 13:36:46 2009 Nobuyoshi Nakada <nobu@ruby-lang.org>
* enum.c (DEFINE_ENUMFUNCS): included function signature.

20
error.c
View file

@ -316,6 +316,26 @@ rb_check_type(VALUE x, int t)
}
}
void *
rb_check_typed_struct(VALUE obj, const rb_data_type_t *data_type)
{
const char *etype;
static const char mesg[] = "wrong argument type %s (expected %s)";
if (SPECIAL_CONST_P(obj) || BUILTIN_TYPE(obj) != T_DATA) {
Check_Type(obj, T_DATA);
}
if (!RTYPEDDATA_P(obj)) {
etype = rb_obj_classname(obj);
rb_raise(rb_eTypeError, mesg, etype, data_type->name);
}
else if (RTYPEDDATA_TYPE(obj) != data_type) {
etype = RTYPEDDATA_TYPE(obj)->name;
rb_raise(rb_eTypeError, mesg, etype, data_type->name);
}
return DATA_PTR(obj);
}
/* exception classes */
#include <errno.h>

6
include/ruby/ruby.h
View file

@ -764,6 +764,8 @@ typedef void (*RUBY_DATA_FUNC)(void*);
VALUE rb_data_object_alloc(VALUE,void*,RUBY_DATA_FUNC,RUBY_DATA_FUNC);
VALUE rb_data_typed_object_alloc(VALUE klass, void *datap, const rb_data_type_t *);
void *rb_check_typed_struct(VALUE, const rb_data_type_t *);
#define Check_TypedStruct(v,t) rb_check_typed_struct((VALUE)(v),t)
#define Data_Wrap_Struct(klass,mark,free,sval)\
rb_data_object_alloc(klass,sval,(RUBY_DATA_FUNC)mark,(RUBY_DATA_FUNC)free)
@ -788,6 +790,10 @@ VALUE rb_data_typed_object_alloc(VALUE klass, void *datap, const rb_data_type_t
sval = (type*)DATA_PTR(obj);\
} while (0)
#define Data_Get_TypedStruct(obj,type,data_type,sval) do {\
sval = (type*)rb_check_typed_struct(obj, data_type); \
} while (0)
#define RSTRUCT_EMBED_LEN_MAX 3
struct RStruct {
struct RBasic basic;