Class PythonCastDynamic

Singular/dyn_modules/pyobject/pyobject.cc:339–375

@class PythonCastDynamic * This class does conversion of Singular objects to python objects on runtime. * **/

 *
 **/
class PythonCastDynamic:
  public PythonObject {
  typedef PythonCastDynamic self;

public:
  PythonCastDynamic(leftv value): PythonObject(get(value, value->Typ())) {}

private:
  PythonObject get(leftv value, int typeId)
  {
    if (typeId == PythonInterpreter::id()) return PythonCastStatic<>(value);

    switch (typeId)
    {
    case INT_CMD:    return PythonCastStatic<long>(value);
    case STRING_CMD: return PythonCastStatic<const char*>(value);
    case LIST_CMD:   return PythonCastStatic<lists>(value);
    case INTVEC_CMD: return PythonCastStatic<intvec*>(value);
    }

    sleftv tmp;
    BOOLEAN newstruct_Assign_user(int, leftv, leftv); // declaring overloaded '='
    if (!newstruct_Assign_user(PythonInterpreter::id(), &tmp, value))
      return PythonCastStatic<>(&tmp);

    if (typeId > MAX_TOK)       // custom types
    {
      blackbox *bbx = getBlackboxStuff(typeId);
      assume(bbx != NULL);
      if (! bbx->blackbox_Op1(PythonInterpreter::id(), &tmp, value))
        return PythonCastStatic<>(&tmp);
    }

    Werror("type '%s` incompatible with 'pyobject`", iiTwoOps(typeId));
    return PythonObject();
  }
};

template <class CastType>
inline PythonObject::ptr_type