GCC as front end for C++ browser?

I'm considering writing a browser for C++/C code using GCC's front end as
the "parser." Having used MSVC for a short time, I've become quite
attached to the code browser built into its work environment. Now that I'm
safely back home in UNIX, I do sorely miss being able to hot-key to
definitions/references for arbitrary symbols. Tags in emacs and vi fall
far, far short of this capability.


In essence, I'll be compiling code into a symbol database, and building
the browser around this symbol database. Naturally, I have a few
questions before I get started.


Does this sound viable as a quick, evenings-only project? Are there other
tools that already do a good job of this? Is gcc's front end a suitable
starting point? How hard is it to learn and use? Where do I find more
information about gcc internals? Are there better, simpler ways to
accomplish this same end?


Thanks in anticipation.


Mike.
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