[cfe-dev] Proposal: Add a tooling helper to simplify fully qualified names when possible

David Blaikie dblaikie at gmail.com
Wed Nov 14 08:40:10 PST 2012

+Kaelyn of the typo corrections

On Wed, Nov 14, 2012 at 8:39 AM, David Blaikie <dblaikie at gmail.com> wrote:
> On Wed, Nov 14, 2012 at 6:01 AM, Daniel Cheng <dcheng at google.com> wrote:
>> I recently wrote a small tool to do some automated refactoring. During
>> that work, I ended up writing some helper functions to "simplify"
>> fully qualified names, i.e. if you're already in namespace a::b, you
>> can refer to a::b::C as "C" rather than using the fully qualified
>> name. I'm wondering if there'd be interest in upstreaming this
>> functionality into Clang, as I believe this would be a generally
>> useful utility.
>> Currently, I have the following signature:
>> // Attempts to find the most concise way to refer to 'symbol' in the given
>> // context. 'symbol' should be a fully qualified name.
>> string SimplifySymbol(
>>     const clang::ASTContext& ast_context,
>>     const clang::DeclContext* context,
>>     const string& symbol);  // I think this should probably be a
>> NamedDecl* to prevent ambiguities
>> Do other people feel this sort of thing would be helpful, and if so,
>> where would it belong? It seems like it ought to be a member of
>> NamedDecl or DeclContext, but I'm new to Clang development, so I'm
>> interested in feedback and comments. Thanks!
> I haven't looked closely but would this be applicable to Clang's typo
> correction logic & improve the quality of the typo correction by
> offering minimally qualified names?
> If that's the case that might be a good angle of attack to get this
> upstream with a solid use case.

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