[pypy-dev] EuroPython Talk on Stackless.py and Questions
arigo at tunes.org
Wed Jun 2 16:19:56 CEST 2010
On Wed, Jun 02, 2010 at 03:59:21PM +0200, Carl Friedrich Bolz wrote:
> > However I want to get deeper into PyPy. I would like to implement
> > Select as a language feature as an exercise rather than an actual
> > change to the language.
> What exactly do you mean by "language feature"?
More precisely, I should say that this kind of changes to the syntax and
bytecode compiler are *really* uninteresting from our point of view.
PyPy is indeed about language implementations, but not about the
syntactic level. There are nice existing tools about generating parsers
in various languages; and as each of them has some issues with the
Python language, we just wrote the parser and compiler by hand and
happily forgot about it. Instead, PyPy is about implementation
features. Moreover, it focuses more on features that can be
meta-programmed, like the stackless transformation (which works fine so
far, and which does not need any change to support e.g. various kinds of
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