tbridge.hpp

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#pragma once
 
#include "core/ast/obj.hpp"
#include "core/type/mgdType.hpp"
#include "core/bridge/cpp/tbridger.hpp"
#include "core/bridge/cpp/marshaling/tgenericMarshaling.hpp"
#include "core/bridge/cpp/tbridgeFunc.hpp"
 
namespace by {
 
    template <typename T> class tbridge: public baseObj {
        // TODO: how to impement 'as()' on bridge obj:
        //  each tbridge obj has its unique type object. when it got called 'getType()'
        //  it returns its type object.
        //
        //  however, type object is dynamically belongs to this bridge object, when user
        //  tries to get ttype<T>, it's not derived from ntype so it won't have any 'as()'
        //  func. user can't operate conversion in this way.
        BY(CLASS(tbridge, baseObj))
        friend class coreInternal;
        static_assert(!tifSub<T, baseObj>::is,
            "parameterized type 'T' shouldn't be a derived class to baseObj. override subs() if it "
            "is.");
 
    protected:
        tbridge(): me(nullptr) {}
 
        tbridge(T* real, const baseObj* origin = nullptr): super(origin, false), _real(real) {}
 
    public:
        tbridge(const me& rhs): super(rhs), _real(rhs._real ? new T(*rhs._real) : nullptr) {}
 
        ~tbridge() override {
            if(_ownReal && _real) delete _real;
        }
 
    public:
        T* get() { return _real; }
 
        const T* get() const { return _real; }
 
        const baseObj& getOrigin() const override {
            static tbaseObjOrigin<tbridge<T>> org(
                tbridger<T, tifSub<typename tadaptiveSuper<T>::super, baseObj>::is>::subs());
            const baseObj& supers = super::getOrigin();
            return &supers == this ? org : supers;
        }
 
    private:
        T* _real;
        nbool _ownReal = _real;
    };
} // namespace by