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C++ scanner passing values back out
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From: |
Rupert Swarbrick |
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Subject: |
C++ scanner passing values back out |
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Date: |
Tue, 24 May 2005 08:55:54 +0100 |
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User-agent: |
Debian Thunderbird 1.0 (X11/20050116) |
Just to say that I have had some success - recasting the "this" pointer
does work, but it's extremely unsatisfactory - not to mention error prone.
For anyone that needs to do it, though, heres a nice macro for your
legacy flex code:
#define yylval ((lexer_class*)this)->val_ref()
where
value_t& lexer_class::val_ref()
{
return private_value_rep;
}
Or I thought it was nice, anyway!
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