ntype.hpp

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#pragma once
 
#include "core/common.hpp"
 
namespace by {
 
    class node;
    template <typename T, typename TACTIC> class tnarr;
    typedef tnarr<node, strTactic> narr;
    class params;
    class ases;
    class impliAses;
 
    class _nout ntype: public type {
        BY_ME(ntype, type)
        typedef std::map<const ntype*, const ntype*> promoter;
        typedef std::map<const ntype*, promoter> promoters;
 
    public:
        ntype() = default;
 
    public:
        nbool operator==(const type& rhs) const override;
 
    public:
        template <typename T> nbool isImpli() const { return this->isImpli(ttype<T>::get()); }
 
        virtual nbool isImpli(const type& to) const;
        nbool isImpli(const type* it) const BY_SIDE_FUNC(isImpli);
        nbool isImpli(const typeProvidable& to) const;
        nbool isImpli(const typeProvidable* it) const BY_SIDE_FUNC(isImpli);
 
        template <typename T> tstr<T> asImpli(const node& it) const { return this->asImpli(ttype<T>::get()); }
 
        template <typename T> tstr<T> asImpli(const node* it) const BY_SIDE_FUNC(asImpli<T>);
 
        virtual str asImpli(const node& from, const type& to) const;
        str asImpli(const node& from, const type* to) const BY_SIDE_FUNC(to, asImpli(from, *to), str());
        str asImpli(const node* from, const type& to) const BY_SIDE_FUNC(from, asImpli(*from, to), str());
        str asImpli(const node* from, const type* to) const BY_SIDE_FUNC(from&& to, asImpli(*from, *to), str());
 
        virtual nbool isCustom() const { return false; }
 
        template <typename T> nbool is() const { return this->is(ttype<T>::get()); }
 
        nbool is(const type& to) const;
        nbool is(const type* it) const BY_SIDE_FUNC(is);
 
        template <typename T> tstr<T> as(const node& it) const { return this->as(it, ttype<T>::get()); }
 
        template <typename T> tstr<T> as(const node* it) const BY_SIDE_FUNC(as<T>);
 
        str as(const node& from, const type& to) const;
        str as(const node& from, const type* to) const BY_SIDE_FUNC(to, as(from, *to), str());
        str as(const node* from, const type& to) const BY_SIDE_FUNC(from, as(*from, to), str());
        virtual str as(const node* from, const type* to) const BY_SIDE_FUNC(from&& to, as(*from, *to), str());
 
        virtual nbool isImmutable() const;
 
        nbool isSameSign(const type& rhs) const;
 
        const ntype* promote(const ntype& r) const;
        const ntype* promote(const ntype* it) const BY_SIDE_FUNC(promote);
        const ntype* promote(const typeProvidable& r) const;
        const ntype* promote(const typeProvidable* it) const BY_SIDE_FUNC(promote);
 
        template <typename T> const ntype* promote() const { return promote(ttype<T>::get()); }
 
        static const ntype* promote(const ntype& l, const ntype& r);
        static const ntype* promote(const ntype& l, const ntype* r) BY_SIDE_FUNC(r, promote(l, *r), nullptr);
        static const ntype* promote(const ntype* l, const ntype& r) BY_SIDE_FUNC(l, promote(*l, r), nullptr);
        static const ntype* promote(const ntype* l, const ntype* r) BY_SIDE_FUNC(l&& r, promote(*l, *r), nullptr);
 
        const params& getParams() const BY_CONST_FUNC(getParams())
        virtual params& getParams();
 
        virtual const node* getRet() const;
        virtual void setRet(const node& new1);
        void setRet(const node* it) BY_SIDE_FUNC(setRet);
 
        std::string createNameWithParams() const;
 
        const nchar* getMetaTypeName() const override;
 
    protected:
        virtual const impliAses& _getImpliAses() const;
        virtual const ases& _getAses() const;
 
    private:
        static promoters* _makeDeducers();
        static const ntype& _promoteSuperType(const ntype& l, const ntype& r);
 
    public:
        const static inline std::string META_TYPENAME = "ntype";
    };
 
    typedef std::vector<const ntype*> ntypes;
} // namespace by