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unnamed-faq-82
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     To: Georg.Rehm@CL-KI.Uni-Osnabrueck.DE
     Subject: Re: "flex scanner push-back overflow"
     In-reply-to: Your message of Thu, 20 Aug 1998 09:47:54 PDT.
     Date: Thu, 20 Aug 1998 07:05:35 PDT
     From: Vern Paxson <vern>
     
     > myflex/flex -8  sentag.tmp.l
     > flex scanner push-back overflow
     
     Flex itself uses a flex scanner.  That scanner is running out of buffer
     space when it tries to unput() the humongous macro you've defined.  When
     you remove the '/'s, you make it small enough so that it fits in the buffer;
     removing spaces would do the same thing.
     
     The fix is to either rethink how come you're using such a big macro and
     perhaps there's another/better way to do it; or to rebuild flex's own
     scan.c with a larger value for
     
     	#define YY_BUF_SIZE 16384
     
     - Vern