statable.hpp

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#pragma once
 
#include "core/common.hpp"
 
namespace by {
    enum state {
        RELEASED = 0,
        PARSING = 1,
        PARSED,   // all AST has been parsed and expanded.
        EXPANDED, // expander resolved dependencies.
        VERIFIED, // verifier checked this node.
        LINKED,   // eval and attached to system.
        INVALID,  // loading of pod has been failed.
    };
 
    class _nout statable {
        BY(ME(statable))
 
    public:
        virtual state getState() const = 0;
        virtual void setState(state new1) = 0;
    };
}