[Cython] generators

[Greg Ewing]

Dag Sverre Seljebotn wrote:

> To be even more specific, it would help if self.result_code everywhere 
> was calculated during code generation rather than type analysis

You might want to take a look at the latest Pyrex, as
I've more or less done this already. The code generation
phase now calls the result() method of a node to get
its result code instead of accessing the result_code
attribute directly (and not all nodes even have a
result_code any more).

-- 
Greg