401 lines
11 KiB
C++
401 lines
11 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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typedef double A;
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template<typename T> class B {
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typedef int A;
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};
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template<typename T> struct X : B<T> {
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static A a;
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};
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int a0[sizeof(X<int>::a) == sizeof(double) ? 1 : -1];
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// PR4365.
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template<class T> class Q;
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template<class T> class R : Q<T> {T current;};
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namespace test0 {
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template <class T> class Base {
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public:
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void instance_foo();
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static void static_foo();
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class Inner {
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public:
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void instance_foo();
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static void static_foo();
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};
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};
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template <class T> class Derived1 : Base<T> {
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public:
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void test0() {
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Base<T>::static_foo();
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Base<T>::instance_foo();
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}
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void test1() {
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Base<T>::Inner::static_foo();
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Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
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}
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static void test2() {
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Base<T>::static_foo();
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Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
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}
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static void test3() {
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Base<T>::Inner::static_foo();
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Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
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}
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};
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template <class T> class Derived2 : Base<T>::Inner {
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public:
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void test0() {
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Base<T>::static_foo();
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Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
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}
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void test1() {
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Base<T>::Inner::static_foo();
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Base<T>::Inner::instance_foo();
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}
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static void test2() {
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Base<T>::static_foo();
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Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
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}
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static void test3() {
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Base<T>::Inner::static_foo();
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Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
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}
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};
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void test0() {
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Derived1<int> d1;
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d1.test0();
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d1.test1(); // expected-note {{in instantiation of member function}}
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d1.test2(); // expected-note {{in instantiation of member function}}
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d1.test3(); // expected-note {{in instantiation of member function}}
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Derived2<int> d2;
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d2.test0(); // expected-note {{in instantiation of member function}}
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d2.test1();
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d2.test2(); // expected-note {{in instantiation of member function}}
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d2.test3(); // expected-note {{in instantiation of member function}}
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}
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}
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namespace test1 {
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template <class T> struct Base {
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void foo(T); // expected-note {{must qualify identifier to find this declaration in dependent base class}}
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};
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template <class T> struct Derived : Base<T> {
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void doFoo(T v) {
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foo(v); // expected-error {{use of undeclared identifier}}
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}
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};
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template struct Derived<int>; // expected-note {{requested here}}
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}
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namespace PR8966 {
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template <class T>
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class MyClassCore
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{
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};
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template <class T>
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class MyClass : public MyClassCore<T>
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{
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public:
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enum {
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N
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};
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// static member declaration
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static const char* array [N];
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void f() {
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MyClass<T>::InBase = 17;
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}
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};
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// static member definition
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template <class T>
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const char* MyClass<T>::array [MyClass<T>::N] = { "A", "B", "C" };
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}
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namespace std {
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inline namespace v1 {
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template<typename T> struct basic_ostream;
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}
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namespace inner {
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template<typename T> struct vector {};
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}
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using inner::vector;
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template<typename T, typename U> struct pair {};
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typedef basic_ostream<char> ostream;
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extern ostream cout;
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std::ostream &operator<<(std::ostream &out, const char *);
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}
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namespace PR10053 {
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template<typename T> struct A {
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T t;
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A() {
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f(t); // expected-error {{call to function 'f' that is neither visible in the template definition nor found by argument-dependent lookup}}
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}
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};
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void f(int&); // expected-note {{'f' should be declared prior to the call site}}
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A<int> a; // expected-note {{in instantiation of member function}}
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namespace N {
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namespace M {
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template<typename T> int g(T t) {
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f(t); // expected-error {{call to function 'f' that is neither visible in the template definition nor found by argument-dependent lookup}}
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};
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}
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void f(char&); // expected-note {{'f' should be declared prior to the call site}}
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}
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void f(char&);
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int k = N::M::g<char>(0);; // expected-note {{in instantiation of function}}
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namespace O {
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void f(char&); // expected-note {{candidate function not viable}}
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template<typename T> struct C {
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static const int n = f(T()); // expected-error {{no matching function}}
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};
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}
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int f(double); // no note, shadowed by O::f
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O::C<double> c; // expected-note {{requested here}}
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// Example from www/compatibility.html
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namespace my_file {
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template <typename T> T Squared(T x) {
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return Multiply(x, x); // expected-error {{neither visible in the template definition nor found by argument-dependent lookup}}
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}
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int Multiply(int x, int y) { // expected-note {{should be declared prior to the call site}}
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return x * y;
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}
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int main() {
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Squared(5); // expected-note {{here}}
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}
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}
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// Example from www/compatibility.html
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namespace my_file2 {
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template<typename T>
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void Dump(const T& value) {
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std::cout << value << "\n"; // expected-error {{neither visible in the template definition nor found by argument-dependent lookup}}
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}
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namespace ns {
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struct Data {};
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}
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std::ostream& operator<<(std::ostream& out, ns::Data data) { // expected-note {{should be declared prior to the call site or in namespace 'PR10053::my_file2::ns'}}
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return out << "Some data";
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}
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void Use() {
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Dump(ns::Data()); // expected-note {{here}}
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}
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}
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namespace my_file2_a {
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template<typename T>
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void Dump(const T &value) {
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print(std::cout, value); // expected-error 4{{neither visible in the template definition nor found by argument-dependent lookup}}
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}
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namespace ns {
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struct Data {};
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}
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namespace ns2 {
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struct Data {};
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}
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std::ostream &print(std::ostream &out, int); // expected-note-re {{should be declared prior to the call site$}}
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std::ostream &print(std::ostream &out, ns::Data); // expected-note {{should be declared prior to the call site or in namespace 'PR10053::my_file2_a::ns'}}
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std::ostream &print(std::ostream &out, std::vector<ns2::Data>); // expected-note {{should be declared prior to the call site or in namespace 'PR10053::my_file2_a::ns2'}}
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std::ostream &print(std::ostream &out, std::pair<ns::Data, ns2::Data>); // expected-note {{should be declared prior to the call site or in an associated namespace of one of its arguments}}
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void Use() {
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Dump(0); // expected-note {{requested here}}
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Dump(ns::Data()); // expected-note {{requested here}}
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Dump(std::vector<ns2::Data>()); // expected-note {{requested here}}
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Dump(std::pair<ns::Data, ns2::Data>()); // expected-note {{requested here}}
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}
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}
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namespace unary {
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template<typename T>
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T Negate(const T& value) {
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return !value; // expected-error {{call to function 'operator!' that is neither visible in the template definition nor found by argument-dependent lookup}}
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}
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namespace ns {
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struct Data {};
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}
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ns::Data operator!(ns::Data); // expected-note {{should be declared prior to the call site or in namespace 'PR10053::unary::ns'}}
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void Use() {
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Negate(ns::Data()); // expected-note {{requested here}}
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}
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}
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}
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namespace PR10187 {
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namespace A1 {
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template<typename T>
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struct S {
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void f() {
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for (auto &a : e)
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__range(a); // expected-error {{undeclared identifier '__range'}}
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}
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int e[10];
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};
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void g() {
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S<int>().f(); // expected-note {{here}}
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}
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}
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namespace A2 {
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template<typename T>
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struct S {
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void f() {
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for (auto &a : e)
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__range(a); // expected-error {{undeclared identifier '__range'}}
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}
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T e[10];
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};
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void g() {
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S<int>().f(); // expected-note {{here}}
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}
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struct X {};
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void __range(X);
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void h() {
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S<X>().f();
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}
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}
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namespace B {
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template<typename T> void g(); // expected-note {{not viable}}
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template<typename T> void f() {
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g<int>(T()); // expected-error {{no matching function}}
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}
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namespace {
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struct S {};
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}
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void g(S);
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template void f<S>(); // expected-note {{here}}
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}
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}
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namespace rdar11242625 {
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template <typename T>
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struct Main {
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struct default_names {
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typedef int id;
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};
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template <typename T2 = typename default_names::id>
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struct TS {
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T2 q;
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};
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};
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struct Sub : public Main<int> {
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TS<> ff;
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};
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int arr[sizeof(Sub)];
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}
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namespace PR11421 {
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template < unsigned > struct X {
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static const unsigned dimension = 3;
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template<unsigned dim=dimension>
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struct Y: Y<dim> { }; // expected-error{{circular inheritance between 'Y<dim>' and 'Y<dim>'}}
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};
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typedef X<3> X3;
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X3::Y<>::iterator it; // expected-error {{no type named 'iterator' in 'PR11421::X<3>::Y<3>'}}
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}
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namespace rdar12629723 {
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template<class T>
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struct X {
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struct C : public C { }; // expected-error{{circular inheritance between 'rdar12629723::X::C' and 'rdar12629723::X::C'}}
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struct B;
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struct A : public B { // expected-note{{'rdar12629723::X::A' declared here}}
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virtual void foo() { }
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};
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struct D : T::foo { };
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struct E : D { };
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};
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template<class T>
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struct X<T>::B : public A { // expected-error{{circular inheritance between 'rdar12629723::X::A' and 'rdar12629723::X::B'}}
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virtual void foo() { }
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};
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}
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namespace test_reserved_identifiers {
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template<typename A, typename B> void tempf(A a, B b) {
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a + b; // expected-error{{call to function 'operator+' that is neither visible in the template definition nor found by argument-dependent lookup}}
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}
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namespace __gnu_cxx { struct X {}; }
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namespace ns { struct Y {}; }
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void operator+(__gnu_cxx::X, ns::Y); // expected-note{{or in namespace 'test_reserved_identifiers::ns'}}
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void test() {
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__gnu_cxx::X x;
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ns::Y y;
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tempf(x, y); // expected-note{{in instantiation of}}
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}
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}
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// This test must live in the global namespace.
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struct PR14695_X {};
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// FIXME: This note is bogus; it is the using directive which would need to move
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// to prior to the call site to fix the problem.
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namespace PR14695_A { void PR14695_f(PR14695_X); } // expected-note {{'PR14695_f' should be declared prior to the call site or in the global namespace}}
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template<typename T> void PR14695_g(T t) { PR14695_f(t); } // expected-error {{call to function 'PR14695_f' that is neither visible in the template definition nor found by argument-dependent lookup}}
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using namespace PR14695_A;
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template void PR14695_g(PR14695_X); // expected-note{{requested here}}
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namespace OperatorNew {
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template<typename T> void f(T t) {
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operator new(100, t); // expected-error{{call to function 'operator new' that is neither visible in the template definition nor found by argument-dependent lookup}}
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// FIXME: This should give the same error.
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new (t) int;
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}
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struct X {};
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};
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using size_t = decltype(sizeof(0));
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void *operator new(size_t, OperatorNew::X); // expected-note-re {{should be declared prior to the call site$}}
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template void OperatorNew::f(OperatorNew::X); // expected-note {{instantiation of}}
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