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
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class A {
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public:
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A();
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~A() {};
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virtual int foo() = 0;
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virtual void bar() = 0;
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void f() {
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foo(); // expected-warning{{Call pure virtual functions during construction or destruction may leads undefined behaviour}}
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}
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};
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class B : public A {
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public:
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B() {
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foo(); // expected-warning{{Call virtual functions during construction or destruction will never go to a more derived class}}
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}
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~B();
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virtual int foo();
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virtual void bar() { foo(); } // expected-warning{{Call virtual functions during construction or destruction will never go to a more derived class}}
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};
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A::A() {
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f();
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}
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B::~B() {
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this->B::foo(); // no-warning
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this->B::bar();
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this->foo(); // expected-warning{{Call virtual functions during construction or destruction will never go to a more derived class}}
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}
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class C : public B {
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public:
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C();
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~C();
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virtual int foo();
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void f(int i);
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};
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C::C() {
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f(foo()); // expected-warning{{Call virtual functions during construction or destruction will never go to a more derived class}}
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}
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int main() {
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A *a;
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B *b;
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C *c;
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}
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#include "virtualcall.h"
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#define AS_SYSTEM
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#include "virtualcall.h"
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#undef AS_SYSTEM
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