Re: Can't compile flex/yacc generated code with ANSI C++ Compiler

<Mario.Sansone@siemens.com> wrote:
>Does anybody know, why I can't compile my flex 2.5.4 generated code
>with my new SUN Compiler 5.2 ? This compiler is a strictly
>ANSI C++ Compiler ! I use the c++ feature in flex, means FlexLexer classes.
>I get this error:
>Cannot assign std::basic_istream<char, std::char_traits<char>>* to istream*
>or
>Cannot assign istream* to std::basic_istream<char, std::char_traits<char>>*
>
>what does this mean ?


Probably that you should use std::istream instead of the global
::istream: I had to tweak the Flex skeleton, adding some "std::", in
order to get it work with C++ namespace's.


> flex 2.5.4 generates no ANSI C++ code ??


Right, C++ namespace's was not in the C++ that Flex was developed around.


Also note that there is a Flex mailing list:
Help-flex mailing list
Help-flex@gnu.org
http://mail.gnu.org/mailman/listinfo/help-flex


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