[cfe-dev] how to know if a function name is used to call or only a reference ?

[Chandler Carruth]

Look at the outer expression? You should see the DeclRefExpr inside of a
CallExpr or one of the other call AST nodes for actual calls.


On Sat, Jan 5, 2013 at 12:26 AM, kevinlynx <kevinlynx at gmail.com> wrote:

> say I have the codes below:
>
>     void func() {}
>     void test() {
>         func();  // function call
>         if (func) {  // only reference the function
>         }
>     }
>
> when I get a DeclRefExpr from RecursiveASTVisitor::VisitDeclRefExpr, and I
> know `func` is a function type, But how can i know it's used as a normal
> function call, or a reference only ?
>
> Thanks.
>
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>
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