[cfe-commits] [PATCHES] refactoring and cleanup

[nobled]

I'm working on a patch series to extend clang to parse GLSL, and I
came up with these generic cleanups along the way -- the GLSL patches
depend on the last three, at least, going in first.

(There was a patch #1, but I dropped it and didn't rename the files.)
====
2. refactor -ccc-gcc-name code

Put the logic for deciding the default name for gcc/g++
in the only place that actually cares about it.

This also pushes an ifdef out of the generic driver code
to a little further down, when the target is actually known.
Hopefully it can be changed into just a runtime check
in the future.
====
3. refactor flags for TokenKinds.def

Make KEYALL a combination of all other flags instead
of its own separate flag. Also rewrite the enum
definitions in hex instead of decimal.
====
4. complete TokenKinds.def documentation

It was missing a description of BOOLSUPPORT.
====
5. generalize number parsing for directives other than #line

This makes way for sharing code with GLSL's #version directive.
====

Okay to commit?
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