GPP - "Generic Preprocessor" / "General Purpose Preprocessor"

[Shlomi Fish]

Hi all,

I stumbled upon GPP - an open-source general purpose preprocessor when I was
browsing http://www.ibiblio.org/software/linux/ looking for a program I once
found and since misplaced (which generated a call tree from a C program inside a
text file - there are now other solutions available using web searches for
that):

http://en.nothingisreal.com/wiki/GPP

Does anyone have any experience with it? 

In addition to that, there are also
m4 (which is pure evil) and http://www.cabaret.demon.co.uk/filepp/ (which
emulates and extends the C preprocessor) and
http://www.complang.tuwien.ac.at/schani/chpp/ , which seemed
promising but appears to have been undermaintained. And, naturally, there are
many templating systems and other such stuff.

Regards,

	Shlomi Fish

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