Source code
Revision control
Copy as Markdown
Other Tools
#include <utility>
#define MOZ_IMPLICIT __attribute__((annotate("moz_implicit")))
#define MOZ_RUNINIT __attribute__((annotate("moz_global_var")))
template <typename T>
class already_AddRefed {
public:
already_AddRefed();
T* mPtr;
};
template <typename T>
class RefPtr {
public:
RefPtr();
MOZ_IMPLICIT RefPtr(T* aIn);
MOZ_IMPLICIT RefPtr(already_AddRefed<T> aIn);
RefPtr(const RefPtr<T>& aOther) = default;
RefPtr& operator=(const RefPtr<T>&) = default;
// We must define non-defaulted move operations as in the real RefPtr to make
// the type non-trivially-copyable.
RefPtr(RefPtr<T>&&);
RefPtr& operator=(RefPtr<T>&&);
void swap(RefPtr<T>& aOther);
~RefPtr();
T* mPtr;
};
template <typename T>
class nsCOMPtr {
public:
nsCOMPtr();
MOZ_IMPLICIT nsCOMPtr(T* aIn);
MOZ_IMPLICIT nsCOMPtr(already_AddRefed<T> aIn);
~nsCOMPtr();
T* mPtr;
};
class Type {
public:
static nsCOMPtr<Type> someStaticCOMPtr;
void f(nsCOMPtr<Type> ignoredArgument, Type *param) {
nsCOMPtr<Type> never_referenced;
nsCOMPtr<Type> kfdg_t1(this);
nsCOMPtr<Type> kfdg_t2 = this;
nsCOMPtr<Type> kfdg_t3 = (this);
nsCOMPtr<Type> kfdg_m1(p); // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m1', or explicitly pass 'kfdg_m1' to `mozilla::Unused`}}
nsCOMPtr<Type> kfdg_m2 = p; // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m2', or explicitly pass 'kfdg_m2' to `mozilla::Unused`}}
nsCOMPtr<Type> kfdg_m3(p);
kfdg_m3.mPtr->f(nullptr, nullptr);
nsCOMPtr<Type> kfdg_m4 = p;
kfdg_m4.mPtr->f(nullptr, nullptr);
nsCOMPtr<Type> kfdg_a1((already_AddRefed<Type>()));
nsCOMPtr<Type> kfdg_a2 = already_AddRefed<Type>();
nsCOMPtr<Type> kfdg_p1(param);
nsCOMPtr<Type> kfdg_p2 = param;
RefPtr<Type> never_referenced2;
RefPtr<Type> kfdg_t4(this);
RefPtr<Type> kfdg_t5 = this;
RefPtr<Type> kfdg_t6 = (this);
RefPtr<Type> kfdg_m5(p); // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m5', or explicitly pass 'kfdg_m5' to `mozilla::Unused`}}
RefPtr<Type> kfdg_m6 = p; // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m6', or explicitly pass 'kfdg_m6' to `mozilla::Unused`}}
RefPtr<Type> kfdg_m7(p);
kfdg_m7.mPtr->f(nullptr, nullptr);
RefPtr<Type> kfdg_m8 = p;
kfdg_m8.mPtr->f(nullptr, nullptr);
RefPtr<Type> kfdg_a3((already_AddRefed<Type>()));
RefPtr<Type> kfdg_a4 = already_AddRefed<Type>();
RefPtr<Type> kfdg_p3(param);
RefPtr<Type> kfdg_p4 = param;
}
Type *p;
};
struct Type2 {
void f() {
mWeakRef->f(nullptr, nullptr);
}
void g() {
RefPtr<Type> kfdg;
kfdg.swap(mStrongRef);
f();
}
void h() {
RefPtr<Type> kfdg = std::move(mStrongRef);
f();
}
RefPtr<Type> mStrongRef;
Type* mWeakRef;
};
void f(nsCOMPtr<Type> ignoredArgument, Type *param) {
nsCOMPtr<Type> never_referenced;
Type t;
// Type *p = nullptr;
nsCOMPtr<Type> kfdg_m1(t.p); // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m1', or explicitly pass 'kfdg_m1' to `mozilla::Unused`}}
nsCOMPtr<Type> kfdg_m2 = t.p; // expected-error {{Unused "kungFuDeathGrip" 'nsCOMPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m2', or explicitly pass 'kfdg_m2' to `mozilla::Unused`}}
nsCOMPtr<Type> kfdg_m3(t.p);
kfdg_m3.mPtr->f(nullptr, nullptr);
nsCOMPtr<Type> kfdg_m4 = t.p;
kfdg_m4.mPtr->f(nullptr, nullptr);
nsCOMPtr<Type> kfdg_a1((already_AddRefed<Type>()));
nsCOMPtr<Type> kfdg_a2 = already_AddRefed<Type>();
nsCOMPtr<Type> kfdg_p1(param);
nsCOMPtr<Type> kfdg_p2 = param;
RefPtr<Type> never_referenced2;
RefPtr<Type> kfdg_m5(t.p); // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m5', or explicitly pass 'kfdg_m5' to `mozilla::Unused`}}
RefPtr<Type> kfdg_m6 = t.p; // expected-error {{Unused "kungFuDeathGrip" 'RefPtr<Type>' objects constructed from members are prohibited}} expected-note {{Please switch all accesses to this member to go through 'kfdg_m6', or explicitly pass 'kfdg_m6' to `mozilla::Unused`}}
RefPtr<Type> kfdg_m7(t.p);
kfdg_m7.mPtr->f(nullptr, nullptr);
RefPtr<Type> kfdg_m8 = t.p;
kfdg_m8.mPtr->f(nullptr, nullptr);
RefPtr<Type> kfdg_a3((already_AddRefed<Type>()));
RefPtr<Type> kfdg_a4 = already_AddRefed<Type>();
RefPtr<Type> kfdg_p3(param);
RefPtr<Type> kfdg_p4 = param;
}
MOZ_RUNINIT nsCOMPtr<Type> Type::someStaticCOMPtr(nullptr);