60 lines
1.3 KiB
C++
60 lines
1.3 KiB
C++
|
// RUN: %clang_cc1 -analyze -analyzer-checker=alpha.cplusplus.VirtualCall -analyzer-store region -verify %s
|
||
|
|
|
||
|
|
class A {
|
||
|
|
public:
|
||
|
|
A();
|
||
|
|
~A() {};
|
||
|
|
|
||
|
|
virtual int foo() = 0;
|
||
|
|
virtual void bar() = 0;
|
||
|
|
void f() {
|
||
|
|
foo(); // expected-warning{{Call pure virtual functions during construction or destruction may leads undefined behaviour}}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
class B : public A {
|
||
|
|
public:
|
||
|
|
B() {
|
||
|
|
foo(); // expected-warning{{Call virtual functions during construction or destruction will never go to a more derived class}}
|
||
|
|
}
|
||
|
|
~B();
|
||
|
|
|
||
|
|
virtual int foo();
|
||
|
|
virtual void bar() { foo(); } // expected-warning{{Call virtual functions during construction or destruction will never go to a more derived class}}
|
||
|
|
};
|
||
|
|
|
||
|
|
A::A() {
|
||
|
|
f();
|
||
|
|
}
|
||
|
|
|
||
|
|
B::~B() {
|
||
|
|
this->B::foo(); // no-warning
|
||
|
|
this->B::bar();
|
||
|
|
this->foo(); // expected-warning{{Call virtual functions during construction or destruction will never go to a more derived class}}
|
||
|
|
}
|
||
|
|
|
||
|
|
class C : public B {
|
||
|
|
public:
|
||
|
|
C();
|
||
|
|
~C();
|
||
|
|
|
||
|
|
virtual int foo();
|
||
|
|
void f(int i);
|
||
|
|
};
|
||
|
|
|
||
|
|
C::C() {
|
||
|
|
f(foo()); // expected-warning{{Call virtual functions during construction or destruction will never go to a more derived class}}
|
||
|
|
}
|
||
|
|
|
||
|
|
int main() {
|
||
|
|
A *a;
|
||
|
|
B *b;
|
||
|
|
C *c;
|
||
|
|
}
|
||
|
|
|
||
|
|
#include "virtualcall.h"
|
||
|
|
|
||
|
|
#define AS_SYSTEM
|
||
|
|
#include "virtualcall.h"
|
||
|
|
#undef AS_SYSTEM
|