Date: Fri, 29 Nov 1996 10:58:32 +1100 (EST) From: Julian Lawrence Jenkins <julianj@cse.unsw.edu.au> To: Terry Lambert <terry@lambert.org> Cc: "Jordan K. Hubbard" <jkh@time.cdrom.com>, hackers@freebsd.org Subject: Re: Lex/Yacc question Message-ID: <Pine.OSF.3.95.961129105557.8676E-100000@faure.orchestra.cse.unsw.EDU.AU> In-Reply-To: <199611282155.OAA01125@phaeton.artisoft.com>
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On Thu, 28 Nov 1996, Terry Lambert wrote:
> I've written a number of parsers, too. Nonen of them needed:
>
> KEYWORD rest of stuff to end of line
Try:
> %s HELO
>
> %%
>
> helo BEGIN HELO;
> <HELO>.*\n {BEGIN INITIAL; printf("\n\n%s\n\n", yytext);}
This works in flex, dont know about other lexes.
It defines a state and will only recognise lines preceded with <state>
when in that state.
Kaveman
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