functionStatic false positive

[Nikita Leontiev]

cppcheck 2.22.0 generates functionStatic for the following code:

#define CASE(index, method) \
    case index: return CASE_##method((method))
#define CASE_method1(method) method()

class Object
{
private:
    int m_num;
public:
    Object() : m_num(0) {}
    void call(int index)
    {
        switch (index)
        {
            CASE(1, method1);
        }
    }
private:
    void method1()
    {
        m_num = 1;
    }
};

int main()
{
    Object().call(1);
    return 0;
}

test\main.cpp:11:7: style: The member function 'Object::call' can be static. [functionStatic]
 void call(int index)
      ^

Without parentheses around method, warning is not generated:

#define CASE(index, method) \
    case index: return CASE_##method(method)

[CHR]

Thanks for reporting, ticket is here: https://trac.cppcheck.net/ticket/15058