Executors.h

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#ifndef CPYCPPYY_EXECUTORS_H
#define CPYCPPYY_EXECUTORS_H
 
// Bindings
#include "Dimensions.h"
 
// Standard
#include <string>
 
 
namespace CPyCppyy {
 
struct CallContext;
 
class CPYCPPYY_CLASS_EXPORT Executor {
public:
    virtual ~Executor();
    virtual PyObject* Execute(
        Cppyy::TCppMethod_t, Cppyy::TCppObject_t, CallContext*) = 0;
    virtual bool HasState() { return false; }
};
 
// special case needed for CPPSetItem
class RefExecutor : public Executor {
public:
    RefExecutor() : fAssignable(nullptr) {}
    virtual bool SetAssignable(PyObject*);
    virtual bool HasState() { return true; }
 
protected:
    PyObject* fAssignable;
};
 
// create/destroy executor from fully qualified type (public API)
CPYCPPYY_EXPORT Executor* CreateExecutor(const std::string& fullType, cdims_t = 0);
CPYCPPYY_EXPORT void DestroyExecutor(Executor* p);
typedef Executor* (*ef_t) (cdims_t);
CPYCPPYY_EXPORT bool RegisterExecutor(const std::string& name, ef_t fac);
CPYCPPYY_EXPORT bool RegisterExecutorAlias(const std::string& name, const std::string& target);
CPYCPPYY_EXPORT bool UnregisterExecutor(const std::string& name);
 
// helper for the actual call
CPYCPPYY_EXPORT void* CallVoidP(Cppyy::TCppMethod_t, Cppyy::TCppObject_t, CallContext*);
 
} // namespace CPyCppyy
 
#endif // !CPYCPPYY_EXECUTORS_H