Subject: Re: [SIP] Parser for Sip messages

From: [email-masked]
Date: Tue, 26 Dec 2000 11:26:56 +0530

A parser generating tool normally generates a very huge parser for even
simple syntaxes. So is it

arjun> Not always true. Such tools are especially effective when the
grammar is large. If
arjun> you want to design a parser that is really as flexible as the ABNF
along with doing
arjun> a complete parse, a tool may not be a bad idea. However, if your
application requirements
arjun> are less stringent, you can make a lower foot print hand made
parser. What you select
arjun> is really upto you. I dont want to open another inconclusive hand vs
tool generated
arjun> debate.
arjun> Note however that *how* you use an automated tool is very important.
Ive seen some false
arjun> comments floating around about certain tools without the posters
having studied them
arjun> well. I would suggest that you first do a detailed study of
available optimisations before
arjun> you conclude. Flex and bison are two very flexible tools you can
look at. I think someone
arjun> else suggested Lemon, antlr etc - havent tried them.

Regds
Arjun
--
Arjun Roychowdhury @ Hughes Software Systems

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