Re: Lexical feedback (Vern Paxson)
Wed, 25 Oct 1995 23:26:43 GMT

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Newsgroups: comp.compilers
From: (Vern Paxson)
Keywords: parse, yacc, lex
Organization: Lawrence Berkeley Laboratory, Berkeley CA
References: 95-09-143 95-10-032 95-10-065 95-10-122
Date: Wed, 25 Oct 1995 23:26:43 GMT

David Keppel <> wrote:
> I believe -- but haven't used it for sure, so I won't promise -- that
> the current version of `flex' supports a lexer with multiple entry points.

John adds:
> [I haven't seen a version of flex that does that, but it's easy to fake with
> exclusive start states. -John]

John's right. Flex doesn't have hooks for multiple entry points, but
usually you can accomplish what you need in this regard by using exclusive
start states.


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