Re: ANSI C grammar without shift-reduce conflict on 'ELSE'

cbarron3@ix.netcom.com (Carl Barron) writes:
>See bison.info-3.
>--quote--
[...]
> But if the parser chose to reduce when possible rather than shift,
>the result would be to attach the else-clause to the outermost
>if-statement, making these two inputs equivalent:
>
> if x then if y then win (); else lose;
>
> if x then do; if y then win (); end; else lose;
>--end quote


I believe that this is incorrect: If the parser chose to reduce, it
would never shift an ELSE, and therefore would report a syntax error
when confronted with an IF statement containing an ELSE clause.


- anton
--
M. Anton Ertl
anton@mips.complang.tuwien.ac.at
http://www.complang.tuwien.ac.at/anton/

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