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| // RUN: %clang_analyze_cc1 -analyzer-checker=core,optin.cplusplus.VirtualCall \
// RUN: -analyzer-checker=debug.ExprInspection \
// RUN: -std=c++11 -verify=impure %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,cplusplus.PureVirtualCall \
// RUN: -analyzer-checker=debug.ExprInspection \
// RUN: -std=c++11 -verify=pure -std=c++11 %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,optin.cplusplus.VirtualCall \
// RUN: -analyzer-config \
// RUN: optin.cplusplus.VirtualCall:PureOnly=true \
// RUN: -analyzer-checker=debug.ExprInspection \
// RUN: -std=c++11 -verify=none %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,cplusplus.PureVirtualCall \
// RUN: -analyzer-checker=optin.cplusplus.VirtualCall \
// RUN: -analyzer-checker=debug.ExprInspection \
// RUN: -std=c++11 -verify=pure,impure -std=c++11 %s
// RUN: %clang_analyze_cc1 -analyzer-checker=core,cplusplus.PureVirtualCall \
// RUN: -analyzer-checker=optin.cplusplus.VirtualCall \
// RUN: -analyzer-config \
// RUN: optin.cplusplus.VirtualCall:PureOnly=true \
// RUN: -analyzer-checker=debug.ExprInspection \
// RUN: -std=c++11 -verify=pure %s
// We expect no diagnostics when all checks are disabled.
// none-no-diagnostics
#include "virtualcall.h"
void clang_analyzer_warnIfReached();
class A {
public:
A();
~A(){};
virtual int foo() = 0;
virtual void bar() = 0;
void f() {
foo(); // pure-warning{{Call to pure virtual method 'A::foo' during construction has undefined behavior}}
clang_analyzer_warnIfReached(); // no-warning
}
};
A::A() {
f();
}
class B {
public:
B() {
foo(); // impure-warning {{Call to virtual method 'B::foo' during construction bypasses virtual dispatch}}
}
~B();
virtual int foo();
virtual void bar() {
foo(); // impure-warning {{Call to virtual method 'B::foo' during destruction bypasses virtual dispatch}}
}
};
B::~B() {
this->B::foo(); // no-warning
this->B::bar();
this->foo(); // impure-warning {{Call to virtual method 'B::foo' during destruction bypasses virtual dispatch}}
}
class C : public B {
public:
C();
~C();
virtual int foo();
void f(int i);
};
C::C() {
f(foo()); // impure-warning {{Call to virtual method 'C::foo' during construction bypasses virtual dispatch}}
}
class D : public B {
public:
D() {
foo(); // no-warning
}
~D() { bar(); }
int foo() final;
void bar() final { foo(); } // no-warning
};
class E final : public B {
public:
E() {
foo(); // no-warning
}
~E() { bar(); }
int foo() override;
};
class F {
public:
F() {
void (F::*ptr)() = &F::foo;
(this->*ptr)();
}
void foo();
};
class G {
public:
G() {}
virtual void bar();
void foo() {
bar(); // no warning
}
};
class H {
public:
H() : initState(0) { init(); }
int initState;
virtual void f() const;
void init() {
if (initState)
f(); // no warning
}
H(int i) {
G g;
g.foo();
g.bar(); // no warning
f(); // impure-warning {{Call to virtual method 'H::f' during construction bypasses virtual dispatch}}
H &h = *this;
h.f(); // impure-warning {{Call to virtual method 'H::f' during construction bypasses virtual dispatch}}
}
};
class X {
public:
X() {
g(); // impure-warning {{Call to virtual method 'X::g' during construction bypasses virtual dispatch}}
}
X(int i) {
if (i > 0) {
X x(i - 1);
x.g(); // no warning
}
g(); // impure-warning {{Call to virtual method 'X::g' during construction bypasses virtual dispatch}}
}
virtual void g();
};
class M;
class N {
public:
virtual void virtualMethod();
void callFooOfM(M *);
};
class M {
public:
M() {
N n;
n.virtualMethod(); // no warning
n.callFooOfM(this);
}
virtual void foo();
};
void N::callFooOfM(M *m) {
m->foo(); // impure-warning {{Call to virtual method 'M::foo' during construction bypasses virtual dispatch}}
}
class Y {
public:
virtual void foobar();
void fooY() {
F f1;
foobar(); // impure-warning {{Call to virtual method 'Y::foobar' during construction bypasses virtual dispatch}}
}
Y() { fooY(); }
};
int main() {
B b;
C c;
D d;
E e;
F f;
G g;
H h;
H h1(1);
X x;
X x1(1);
M m;
Y *y = new Y;
delete y;
header::Z z;
}
namespace PR34451 {
struct a {
void b() {
a c[1];
c->b();
}
};
class e {
public:
void b() const;
};
class c {
void m_fn2() const;
e d[];
};
void c::m_fn2() const { d->b(); }
}
|