Now I need to detect whether my class is created as a stack/global/thread_local variable, for example:
class Foo {
public:
Foo() {
if(im_on_stack) {
std::cout << "I'm on stack" << std::endl;
} else if(im_in_global) {
std::cout << "I'm in global" << std::endl;
} else if(im_a_thread_local) {
std::cout << "I'm a thread_local" << std::endl;
} else {
std::cout << "I'm on ohters location" << std::endl;
}
}
};
class Bar {
Foo mFoo;
};
Foo gFoo;
thread_local Foo tFoo;
int main() {
Foo lFoo;
}
and the out put should be:
I'm on ohters location
I'm in global
I'm a thread_local
I'm on stack
This there any way in C++ I can do this?
Edit:
why I'm doing this:
I'm writing a garbage collection library, and I got a class, let's call it gc_ptr, I need to know if this gc_ptr is a gc root (which is create on the location I mentioned) or not (which is a member of another class)
Edit2:
According to the concept of gc root, which is a reference which is not on a heap, I should probably asked in this way: can I detect if my class is create on the heap? But I think on heap or on stack make this question no difference.