[cfe-dev] Obtaining variable references in an expression

[Eli Friedman]

On Fri, Feb 17, 2012 at 4:42 AM, abetts <abetts at doc.ic.ac.uk> wrote:
> What is the best way to obtain the variable references in an expression?
>
> For instance, from:
>
> x = y + 10 * z
>
> I want to obtain:
>
> x, y, z
>
> I realise this could be done through an AST visit, but I wondered if there
> is a way I could do it through the existing API?

I'd suggest a RecursiveASTVisitor.

-Eli