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// RUN: %check_clang_tidy %s readability-redundant-smartptr-get %t
#define NULL __null
namespace std {
template <typename T>
struct unique_ptr {
T& operator*() const;
T* operator->() const;
T* get() const;
};
template <typename T>
struct shared_ptr {
T& operator*() const;
T* operator->() const;
T* get() const;
};
} // namespace std
struct Bar {
void Do();
void ConstDo() const;
};
struct BarPtr {
Bar* operator->();
Bar& operator*();
Bar* get();
};
struct int_ptr {
int* get();
int* operator->();
int& operator*();
};
struct Fail1 {
Bar* get();
};
struct Fail2 {
Bar* get();
int* operator->();
int& operator*();
};
struct PointerWithOverloadedGet {
int* get();
template <typename T>
T* get();
int* operator->();
int& operator*();
};
void Positive() {
BarPtr u;
// CHECK-FIXES: BarPtr u;
BarPtr().get()->Do();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: redundant get() call on smart pointer [readability-redundant-smartptr-get]
// CHECK-MESSAGES: BarPtr().get()->Do();
// CHECK-FIXES: BarPtr()->Do();
u.get()->ConstDo();
// CHECK-MESSAGES: :[[@LINE-1]]:3: warning: redundant get() call
// CHECK-MESSAGES: u.get()->ConstDo();
// CHECK-FIXES: u->ConstDo();
Bar& b = *BarPtr().get();
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: redundant get() call
// CHECK-MESSAGES: Bar& b = *BarPtr().get();
// CHECK-FIXES: Bar& b = *BarPtr();
Bar& b2 = *std::unique_ptr<Bar>().get();
// CHECK-MESSAGES: :[[@LINE-1]]:14: warning: redundant get() call
// CHECK-MESSAGES: Bar& b2 = *std::unique_ptr<Bar>().get();
// CHECK-FIXES: Bar& b2 = *std::unique_ptr<Bar>();
(*BarPtr().get()).ConstDo();
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: redundant get() call
// CHECK-MESSAGES: (*BarPtr().get()).ConstDo();
// CHECK-FIXES: (*BarPtr()).ConstDo();
(*std::unique_ptr<Bar>().get()).ConstDo();
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: redundant get() call
// CHECK-MESSAGES: (*std::unique_ptr<Bar>().get()).ConstDo();
// CHECK-FIXES: (*std::unique_ptr<Bar>()).ConstDo();
std::unique_ptr<Bar>* up;
(*up->get()).Do();
// CHECK-MESSAGES: :[[@LINE-1]]:5: warning: redundant get() call
// CHECK-MESSAGES: (*up->get()).Do();
// CHECK-FIXES: (**up).Do();
int_ptr ip;
int i = *ip.get();
// CHECK-MESSAGES: :[[@LINE-1]]:12: warning: redundant get() call
// CHECK-MESSAGES: int i = *ip.get();
// CHECK-FIXES: int i = *ip;
std::unique_ptr<int> uu;
std::shared_ptr<double> *ss;
bool bb = uu.get() == nullptr;
// CHECK-MESSAGES: :[[@LINE-1]]:13: warning: redundant get() call
// CHECK-MESSAGES: uu.get() == nullptr;
// CHECK-FIXES: bool bb = uu == nullptr;
bb = nullptr != ss->get();
// CHECK-MESSAGES: :[[@LINE-1]]:19: warning: redundant get() call
// CHECK-MESSAGES: nullptr != ss->get();
// CHECK-FIXES: bb = nullptr != *ss;
i = *PointerWithOverloadedGet().get();
// CHECK-MESSAGES: :[[@LINE-1]]:8: warning: redundant get() call
// CHECK-MESSAGES: i = *PointerWithOverloadedGet().get();
// CHECK-FIXES: i = *PointerWithOverloadedGet();
}
void Negative() {
struct NegPtr {
int* get();
int* operator->() {
return &*this->get();
}
int& operator*() {
return *get();
}
};
long l = *PointerWithOverloadedGet().get<long>();
std::unique_ptr<Bar>* u;
u->get()->Do();
Fail1().get()->Do();
Fail2().get()->Do();
const Bar& b = *Fail1().get();
(*Fail2().get()).Do();
int_ptr ip;
bool bb = std::unique_ptr<int>().get() == NULL;
bb = ip.get() == nullptr;
bb = u->get() == NULL;
}
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