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wrapper添加 MakeConstVariable #1867

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wrapper添加 MakeConstVariable #1867

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3 changes: 3 additions & 0 deletions unreal/Puerts/Source/JsEnv/Public/ScriptBackend.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,9 @@
::PUERTS_NAMESPACE::PropertyWrapper<PUERTS_NAMESPACE::PUERTS_BINDING_IMPL::API, decltype(M), M>::info()
#define MakeVariable(M) MakeProperty(M)
#define MakeReadonlyVariable(M) MakeReadonlyProperty(M)
#define MakeConstVariable(M) \
&(::PUERTS_NAMESPACE::ConstVariableWrapper<PUERTS_NAMESPACE::PUERTS_BINDING_IMPL::API, decltype(M), M>::getter), nullptr, \
::PUERTS_NAMESPACE::ConstVariableWrapper<PUERTS_NAMESPACE::PUERTS_BINDING_IMPL::API, decltype(M), M>::info()
#define MakeFunction(M, ...) \
[](::PUERTS_NAMESPACE::PUERTS_BINDING_IMPL::API::CallbackInfoType info) \
{ \
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19 changes: 19 additions & 0 deletions unreal/Puerts/Source/JsEnv/Public/StaticCall.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1457,6 +1457,25 @@ struct PropertyWrapper<API, Ret*, Variable>
return CTypeInfoImpl<Ret, false>::get();
}
};
template <typename API, typename Ret, Ret Variable>
struct ConstVariableWrapper
{
template <typename T>
using DecayTypeConverter = typename API::template Converter<typename internal::ConverterDecay<T>::type>;

static void getter(typename API::CallbackInfoType info)
{
auto context = API::GetContext(info);
API::SetReturn(info, DecayTypeConverter<Ret>::toScript(context, Variable));
}

static void setter(typename API::CallbackInfoType info) { }

static const CTypeInfo* info()
{
return CTypeInfoImpl<Ret, false>::get();
}
};

template <typename T, typename API, typename RegisterAPI>
class ClassDefineBuilder
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