public override Word GetMember(MemberSegment memberSegment)
{
if (Visitor == null)
{
throw new Exception("Tiene que inicializar visitor con InitVisitor antes de usar cualquier GetMember");
}
Word result;
switch (memberSegment.GetSegmentType())
{
case SegmentType.Identifier:
result = Visitor.GetGlobalAttribute((IdentifierSegment)memberSegment);
if (ErrorHelper.IsError(result)) //se modifica el mensaje
{
return(ErrorFactory.BadAttributeError(this, (IdentifierSegment)memberSegment)); //Chapuz alto: es el unico caso en el que no se retoran el mismo error de un result o se modifica el mismo. I.e. No se puede decir que todo MyError puede ser reportado
}
return(result);
case SegmentType.Procedure:
result = Visitor.InvokeProcedure((ProcedureSegment)memberSegment);
if (ErrorHelper.IsError(result)) //se modifica el mensaje
{
return(ErrorFactory.BadProcedureError(this, (ProcedureSegment)memberSegment));
}
return(result);
case SegmentType.Index:
return(ErrorFactory.BadIndexError(this, (IndexSegment)memberSegment));
default:
throw new Exception("Member segment no valido para ClassInstance.GetMember" + memberSegment.GetSegmentType());
}
}
public override Word GetMember(MemberSegment memberSegment)
{
switch (memberSegment.GetSegmentType())
{
case SegmentType.Identifier:
return(ErrorFactory.BadAttributeError(this, (IdentifierSegment)memberSegment));
case SegmentType.Index:
return(ErrorFactory.BadIndexError(this, (IndexSegment)memberSegment));
case SegmentType.Procedure:
return(ErrorFactory.BadProcedureError(this, (ProcedureSegment)memberSegment));
default:
throw new Exception("tipo de member segment no valido: " + memberSegment.GetSegmentType().ToString());
}
}