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To: Enda Fadian <fadiane@piercom.ie> Subject: Re: Question related to Flex man page? In-reply-to: Your message of Tue, 16 Dec 1997 15:17:34 PST. Date: Tue, 16 Dec 1997 14:17:09 PST From: Vern Paxson <vern> > Can you explain to me what is ment by a long-jump in relation to flex? Using the longjmp() function while inside yylex() or a routine called by it. > what is the flex activation frame. Just yylex()'s stack frame. > As far as I can see yyrestart will bring me back to the sart of the input > file and using flex++ isnot really an option! No, yyrestart() doesn't imply a rewind, even though its name might sound like it does. It tells the scanner to flush its internal buffers and start reading from the given file at its present location. Vern