Re: A Grammar Writing Question

glen herrmannsfeldt <gah@ugcs.caltech.edu>
Thu, 26 Jul 2007 21:45:28 -0800

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From: glen herrmannsfeldt <gah@ugcs.caltech.edu>
Newsgroups: comp.compilers
Date: Thu, 26 Jul 2007 21:45:28 -0800
Organization: Compilers Central
References: <07-06-053@comp.compilers 07-07-081 07-07-093
Keywords: parse
Posted-Date: 27 Jul 2007 09:26:50 EDT

Chris F Clark wrote:


(snip regarding C++ parsing)


> Worse, I think that some of the devious examples he came up with
> required not only semantic input (i.e. which identifiers were
> declared as what coming into the sequence), but could change which
> identifiers were being declared (as well as what they were being
> declared as).


I am not so sure what features you are considering, but typedef does
complicate the separation of lexing and parsing. Do you have any
examples of the ambiguous cases?


-- glen


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