Re: Proposal: Introduction of InvalidStateException

> > I would like to propose the introduction of an 'InvalidStateException' >> > into the SPL extension. Within the existing exceptions I am not able >> > to find a type that would represent a state error, throwable if a >> > method has been invoked at an illegal or inappropriate time. >> >> Exceptions are one part of the SPL that are a nasty, poorly thought-out >> mess (no offense to anyone who worked on it; this stuff is harder than >> people realize). I am -1 on simply adding another exception to our mess, >> but if we can clean it up then I might support it, depending on details. > > > I'd love to listen your ideas/suggestions. Maybe we can implement an RFC > to make it better. > Without exposure to problems, there are no problems at all. > > I'm not saying it's perfect, but would love ideas on how we can improve > it. =) > As an example of my idea of progress: https://github.com/morrisonlevi/Ardent/blob/master/Exceptions.md - DomainException - FunctionException - LookupException (The two sub-classes here may be unnecessary; just one may do) - IndexException - KeyException - StateException - EmptyException - FullException - TypeException Of course, this is not backwards compatible. It does, however, include a StateException that is relevant here. I'm not implying that my exceptions hierarchy is complete, but a good deal of thought and use has gone into them so far.