bison.simple and c++

[Egbert Koenig]

Hi,

there is a small bug in bison.simple, that prevents from putting yyparse into 
a class as classname::yyparse. The forward declaration for yyparse() causes 
g++ to throw an error, if yyparse is redefined to something like 
classname::yyparse.

Please see the attached patch, that will eliminate this problem with 
bison.simple. It will suppress the forward declaration of yyparse(), if that 
is redefined as a preprocessor macro.

Best regards

Egbert
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bison.diff
Description: patch for bison.simple (1.28)