a = b = 1 just syntactic sugar?
Martin v. Löwis
martin at v.loewis.de
Mon Jun 9 12:48:22 CEST 2003
Ed Avis <ed at membled.com> writes:
> Yes - I don't know enough about parser generators to tell what they
> do in the case of an ambiguity.
Typically, they favour one arbitrary alternative over the other.
So it is best if the grammar is not ambiguous in the first place.
> Would it find a syntax error or would it pick one of the two
> alternatives based on which production occurs earlier in the grammar
Out of the box, it wouldn't.
> Are there already legal Python constructs that match two or more
> grammar rules?
Not that I'm aware of.
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