[cfe-dev] add-override-specifier example tool

[Philip Dunstan]

Hi everyone,

I'd like to submit my refactoring tool that adds the override specifier to
appropriate virtual functions to the clang tooling branch. Given the recent
discussion on this list about creating a larger refactoring tool with many
different C++11 refactoring options  I thought I would submit it here for
discussion before submitting it to cfe-commit list.

Regardless of the discussion on the larger tool, I think that the
add-override-specifier example is still a useful example of the work that
has been done in the tooling branch. It includes writing a custom
ASTMatcher to identify virtual functions which are candidates for the
override keyword. It also demonstrates a different problem than the
rename-method example and remove-cstr-calls tool on which it is based.  If
there isn't any opposition to this, I will submit it to cfe-commit.

I am still not entirely happy with the technique used to identify where the
override keyword should be inserted and would welcome discussion on this
problem.

Thanks,
Phil
--
Philip Dunstan
phil at philipdunstan.com
www.philipdunstan.com
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