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[ruby] treat null shared_ptr in std containers properly.

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This commit is contained in:
Takashi Tamura 2017-04-13 15:43:25 +09:00
commit 661c3fc554
2 changed files with 13 additions and 1 deletions
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3
Lib/ruby/rubystdcommon_forward.swg
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@ -5,7 +5,8 @@ namespace swig {
template <class Type> struct traits_asval;
struct pointer_category;
template <class Type, class Category> struct traits_as;
template<class Type> struct traits_from;
template <class Type> struct traits_from;
template <class Type> struct traits_from_ptr;
template <class Type> struct noconst_traits;
template <class Type> swig_type_info* type_info();
template <class Type> const char* type_name();

11
Lib/ruby/std_shared_ptr.i
View file

@ -113,6 +113,17 @@ namespace swig {
}
};
template <class Type>
struct traits_from_ptr<std::shared_ptr<Type> > {
static VALUE from(std::shared_ptr<Type> *val, int owner = 0) {
if (val && *val) {
return SWIG_NewPointerObj(val, type_info<std::shared_ptr<Type> >(), owner);
} else {
return Qnil;
}
}
};
/*
The descriptors in the shared_ptr typemaps remove the const qualifier for the SWIG type system.
Remove const likewise here, otherwise SWIG_TypeQuery("std::shared_ptr<const Type>") will return NULL.