From:	Jeff Taylor <elric AT dcn DOT davis DOT ca DOT us>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: NEWBIE - What is flex?
Date:	Thu, 12 Jun 1997 10:06:45 -0700
Organization:	University of California, Davis
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Message-ID:	<33A02CA5.6D7C@dcn.davis.ca.us>
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To:	djgpp AT delorie DOT com
DJ-Gateway:	from newsgroup comp.os.msdos.djgpp

Rylan,
   Flex is a Fast LEX.  What is LEX you ask.  Lex and yacc (Yet Another
Compiler Compiler) and lexical scanner and compiler generating
programs.  Flex and Bison are updated versions.  They are used for
writing small language compilers or interpreters.  The easy way to learn
them is take a course on compiler construction.  The hard way is to read
the documentation and learn onyour own.  Someone may be able to suggest
a good book.  I've used them to build an Text Adventure game compiler. 
You could build the front end of a C or C++ compiler with them.  Several
of the GNU/DJGPP utilites were built with them.

Jeff
     +44-171-911-3911
FAX:      +44-171-911-3900


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