On 4/3/2011 10:29 PM, Joel Falcou wrote: > Hello, > > we need a way to know if a given expression is the "top level" one. > The use case is to detect the last = in expression like: > > a = b = c = x * y; > > A working but runtime version is given as : http://codepad.org/MO2NUgI2 > > Havign this feature at compiel time sounds a lot better. I think it > requires to > have a expression type carrying a bool_ in its type. Thus in the generator, > we set this bool_ to false_ in incoming expression and put it back into the > newly generated expression. > > Is this a correct way of doing this or is there somethign already in > proto we missed ?
There's nothing in Proto to make this easy. Fiddling with the generator like you suggest is the first thing I'd try. (Sorry for the delay. I've been offline for a bit.) -- Eric Niebler BoostPro Computing http://www.boostpro.com _______________________________________________ proto mailing list proto@lists.boost.org http://lists.boost.org/mailman/listinfo.cgi/proto
