Hello Ted,
This patch (its current version) implements a helper function to retrieve
individual options for checkers. Currently the only way to set options for
checkers is a registration of a special checker. I tried to implement a more
convenient way to do this. For example,
```
checker->setCheckEnabled(Expr::SET_VolatileRead,
getBooleanOption("EmitOnVolatileRead", true, checker));
```
instead of registration of a new checker (Malloc and CString checkers have even
macros to do this). It is only a small convenience and doesn't break any
existing functionality.
This should also work for groups of checkers. For example, `...
-analyzer-config unix=some_option` may be specified to set behaviour for all
checkers in `unix` group.
http://reviews.llvm.org/D3967
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