On 05/21/2015 04:33 PM, Greg Ewing wrote:
Steve Dower wrote:

It's only a macro system when you generate code in unexpected/unobvious places 
with it. This is more like inspect.getsource(), but going straight to the AST.

Is it really that much different? The end result is
the same -- the user writes something that looks like
a Python expression, but it gets evaluated using some
other set of semantics that can be arbitrarily different
from Python's.

I think the key difference is that the AST is not going to be converted to run different Python code under Python, but under some other language -- presumably to implement the semantics of the Python snippet.

--
~Ethan~
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