Why flex uses y.tab.h?

Peng Yu <[email protected]>
Newsgroups gmane.comp.parsers.bison.general
Message-ID <CABrM6wkaGejPjrUOuhYz1fyjW0FTSDLKQRASuB6MAzB_KHE5GA@mail.gmail.com> 
Hi,

Since flex does lexical analysis which is before parsing, logically,
it should be that bison includes output from flex.

But the reality is flex using y.tab.h generated by bison which
reverses the dependency relation. This looks weird.

Why is it so?

-- 
Regards,
Peng

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