element.hpp

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#ifndef Om_Language_Element_
 
    #define Om_Language_Element_ \
    Om::Language::Element
 
    #include "om/language/program.hpp"
 
namespace Om {
 
    namespace Language {
 
        // MARK: - Om::Language::Element
 
        class Element:
        public Program {
 
        public: // MARK: public (non-static)
 
            virtual ~Element() = 0;
 
            virtual Program & operator *() = 0;
 
            virtual Program const & operator *() const = 0;
 
            Program * operator ->();
 
            Program const * operator ->() const;
 
            using Program::Equals;
 
            virtual bool Equals(Element const &) const = 0;
 
            using Program::GetElementRange;
 
            virtual std::auto_ptr<
                Om::Source::Source<Element>
            > GetElementRange() = 0;
 
            virtual bool Merge(Operator &);
 
            virtual bool Merge(Operator const &);
 
            virtual bool Merge(Separator &);
 
            virtual bool Merge(Separator const &);
 
        private: // MARK: private (non-static)
 
            Element & operator =(Element const &);
 
        };
 
        // MARK: - Om::Language::
 
        bool operator ==(
            Element const &,
            Element const &
        );
 
        bool operator !=(
            Element const &,
            Element const &
        );
 
        Element * new_clone(Element const &);
 
    }
 
}
 
    #include "om/language/element.cpp"
 
#endif