Hi again; FWIW, This one looks like an interesting option as it is made to be embeddable too:
http://code.google.com/p/ucpp/ "ucpp can be compiled as a stand-alone program, or linked to some other code; in the latter case, ucpp will output tokens, one at a time, on demand, as an integrated lexer." cheers, Pedro. --- On Mon, 8/29/11, Pedro F. Giffuni wrote: ... > > This is an important question. If we need another > preprocessor there are options(1), but we need to now > why. > > cheers, > > Pedro. > > (1) http://mcpp.sourceforge.net/ >