How to find the name of the current function at runtime?

Question

After years of using the big ugly MFC ASSERT macro, I have finally decided to ditch it and create the ultimate ASSERT macro.

I am fine with getting the file and line num

Answer 1

Your macro can contain the __FUNCTION__ macro. Make no mistake, the function name will be inserted into the expanded code at compile time, but it will be the correct function name for each call to your macro. So it "seems like" it happens in run-time ;)

e.g.

#define THROW_IF(val) if (val) throw "error in " __FUNCTION__

int foo()
{
    int a = 0;
    THROW_IF(a > 0); // will throw "error in foo()"
}