// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
typedef double A;
template<typename T> class B {
typedef int A;
};
template<typename T> struct X : B<T> {
static A a;
};
int a0[sizeof(X<int>::a) == sizeof(double) ? 1 : -1];
// PR4365.
template<class T> class Q;
template<class T> class R : Q<T> {T current;};
namespace test0 {
template <class T> class Base {
public:
void instance_foo();
static void static_foo();
class Inner {
public:
void instance_foo();
static void static_foo();
};
};
template <class T> class Derived1 : Base<T> {
public:
void test0() {
Base<T>::static_foo();
Base<T>::instance_foo();
}
void test1() {
Base<T>::Inner::static_foo();
Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
}
static void test2() {
Base<T>::static_foo();
Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
}
static void test3() {
Base<T>::Inner::static_foo();
Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
}
};
template <class T> class Derived2 : Base<T>::Inner {
public:
void test0() {
Base<T>::static_foo();
Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
}
void test1() {
Base<T>::Inner::static_foo();
Base<T>::Inner::instance_foo();
}
static void test2() {
Base<T>::static_foo();
Base<T>::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
}
static void test3() {
Base<T>::Inner::static_foo();
Base<T>::Inner::instance_foo(); // expected-error {{call to non-static member function without an object argument}}
}
};
void test0() {
Derived1<int> d1;
d1.test0();
d1.test1(); // expected-note {{in instantiation of member function}}
d1.test2(); // expected-note {{in instantiation of member function}}
d1.test3(); // expected-note {{in instantiation of member function}}
Derived2<int> d2;
d2.test0(); // expected-note {{in instantiation of member function}}
d2.test1();
d2.test2(); // expected-note {{in instantiation of member function}}
d2.test3(); // expected-note {{in instantiation of member function}}
}
}
namespace test1 {
template <class T> struct Base {
void foo(T); // expected-note {{member is declared here}}
};
template <class T> struct Derived : Base<T> {
void doFoo(T v) {
foo(v); // expected-error {{explicit qualification required to use member 'foo' from dependent base class}}
}
};
template struct Derived<int>; // expected-note {{requested here}}
}
namespace PR8966 {
template <class T>
class MyClassCore
{
};
template <class T>
class MyClass : public MyClassCore<T>
{
public:
enum {
N
};
// static member declaration
static const char* array [N];
void f() {
MyClass<T>::InBase = 17;
}
};
// static member definition
template <class T>
const char* MyClass<T>::array [MyClass<T>::N] = { "A", "B", "C" };
}
namespace std {
inline namespace v1 {
template<typename T> struct basic_ostream;
}
namespace inner {
template<typename T> struct vector {};
}
using inner::vector;
template<typename T, typename U> struct pair {};
typedef basic_ostream<char> ostream;
extern ostream cout;
std::ostream &operator<<(std::ostream &out, const char *);
}
namespace PR10053 {
template<typename T> struct A {
T t;
A() {
f(t); // expected-error {{call to function 'f' that is neither visible in the template definition nor found by argument-dependent lookup}}
}
};
void f(int&); // expected-note {{'f' should be declared prior to the call site}}
A<int> a; // expected-note {{in instantiation of member function}}
namespace N {
namespace M {
template<typename T> int g(T t) {
f(t); // expected-error {{call to function 'f' that is neither visible in the template definition nor found by argument-dependent lookup}}
};
}
void f(char&); // expected-note {{'f' should be declared prior to the call site}}
}
void f(char&);
int k = N::M::g<char>(0);; // expected-note {{in instantiation of function}}
namespace O {
int f(char&); // expected-note {{candidate function not viable}}
template<typename T> struct C {
static const int n = f(T()); // expected-error {{no matching function}}
};
}
int f(double); // no note, shadowed by O::f
O::C<double> c; // expected-note {{requested here}}
// Example from www/compatibility.html
namespace my_file {
template <typename T> T Squared(T x) {
return Multiply(x, x); // expected-error {{neither visible in the template definition nor found by argument-dependent lookup}}
}
int Multiply(int x, int y) { // expected-note {{should be declared prior to the call site}}
return x * y;
}
int main() {
Squared(5); // expected-note {{here}}
}
}
// Example from www/compatibility.html
namespace my_file2 {
template<typename T>
void Dump(const T& value) {
std::cout << value << "\n"; // expected-error {{neither visible in the template definition nor found by argument-dependent lookup}}
}
namespace ns {
struct Data {};
}
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'}}
return out << "Some data";
}
void Use() {
Dump(ns::Data()); // expected-note {{here}}
}
}
namespace my_file2_a {
template<typename T>
void Dump(const T &value) {
print(std::cout, value); // expected-error 4{{neither visible in the template definition nor found by argument-dependent lookup}}
}
namespace ns {
struct Data {};
}
namespace ns2 {
struct Data {};
}
std::ostream &print(std::ostream &out, int); // expected-note-re {{should be declared prior to the call site{{$}}}}
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'}}
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'}}
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}}
void Use() {
Dump(0); // expected-note {{requested here}}
Dump(ns::Data()); // expected-note {{requested here}}
Dump(std::vector<ns2::Data>()); // expected-note {{requested here}}
Dump(std::pair<ns::Data, ns2::Data>()); // expected-note {{requested here}}
}
}
namespace unary {
template<typename T>
T Negate(const T& value) {
return !value; // expected-error {{call to function 'operator!' that is neither visible in the template definition nor found by argument-dependent lookup}}
}
namespace ns {
struct Data {};
}
ns::Data operator!(ns::Data); // expected-note {{should be declared prior to the call site or in namespace 'PR10053::unary::ns'}}
void Use() {
Negate(ns::Data()); // expected-note {{requested here}}
}
}
}
namespace PR10187 {
namespace A1 {
template<typename T>
struct S {
void f() {
for (auto &a : e)
__range(a); // expected-error {{undeclared identifier '__range'}}
}
int e[10];
};
}
namespace A2 {
template<typename T>
struct S {
void f() {
for (auto &a : e)
__range(a); // expected-error {{undeclared identifier '__range'}}
}
T e[10];
};
void g() {
S<int>().f(); // expected-note {{here}}
}
struct X {};
void __range(X);
void h() {
S<X>().f();
}
}
namespace B {
template<typename T> void g(); // expected-note {{not viable}}
template<typename T> void f() {
g<int>(T()); // expected-error {{no matching function}}
}
namespace {
struct S {};
}
void g(S);
template void f<S>(); // expected-note {{here}}
}
}
namespace rdar11242625 {
template <typename T>
struct Main {
struct default_names {
typedef int id;
};
template <typename T2 = typename default_names::id>
struct TS {
T2 q;
};
};
struct Sub : public Main<int> {
TS<> ff;
};
int arr[sizeof(Sub)];
}
namespace PR11421 {
template < unsigned > struct X {
static const unsigned dimension = 3;
template<unsigned dim=dimension>
struct Y: Y<dim> { }; // expected-error{{base class has incomplete type}}
// expected-note@-1{{definition of 'Y<dim>' is not complete until the closing '}'}}
};
typedef X<3> X3;
X3::Y<>::iterator it; // expected-error {{no type named 'iterator' in 'PR11421::X<3>::Y<>'}}
}
namespace rdar12629723 {
template<class T>
struct X {
struct C : public C { }; // expected-error{{base class has incomplete type}}
// expected-note@-1{{definition of 'rdar12629723::X::C' is not complete until the closing '}'}}
struct B;
struct A : public B {
virtual void foo() { }
};
struct D : T::foo { };
struct E : D { };
};
template<class T>
struct X<T>::B : public A {
virtual void foo() { }
};
}
namespace test_reserved_identifiers {
template<typename A, typename B> void tempf(A a, B b) {
a + b; // expected-error{{call to function 'operator+' that is neither visible in the template definition nor found by argument-dependent lookup}}
}
namespace __gnu_cxx { struct X {}; }
namespace ns { struct Y {}; }
void operator+(__gnu_cxx::X, ns::Y); // expected-note{{or in namespace 'test_reserved_identifiers::ns'}}
void test() {
__gnu_cxx::X x;
ns::Y y;
tempf(x, y); // expected-note{{in instantiation of}}
}
}
// This test must live in the global namespace.
struct PR14695_X {};
// FIXME: This note is bogus; it is the using directive which would need to move
// to prior to the call site to fix the problem.
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}}
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}}
using namespace PR14695_A;
template void PR14695_g(PR14695_X); // expected-note{{requested here}}
namespace OperatorNew {
template<typename T> void f(T t) {
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}}
// FIXME: This should give the same error.
new (t) int;
}
struct X {};
};
using size_t = decltype(sizeof(0));
void *operator new(size_t, OperatorNew::X); // expected-note-re {{should be declared prior to the call site{{$}}}}
template void OperatorNew::f(OperatorNew::X); // expected-note {{instantiation of}}
namespace PR19936 {
template<typename T> decltype(*T()) f() {} // expected-note {{previous}}
template<typename T> decltype(T() * T()) g() {} // expected-note {{previous}}
// Create some overloaded operators so we build an overload operator call
// instead of a builtin operator call for the dependent expression.
enum E {};
int operator*(E);
int operator*(E, E);
// Check that they still profile the same.
template<typename T> decltype(*T()) f() {} // expected-error {{redefinition}}
template<typename T> decltype(T() * T()) g() {} // expected-error {{redefinition}}
}
template <typename> struct CT2 {
template <class U> struct X;
};
template <typename T> int CT2<int>::X<>; // expected-error {{template parameter list matching the non-templated nested type 'CT2<int>' should be empty}}
namespace DependentTemplateIdWithNoArgs {
template<typename T> void f() { T::template f(); } // expected-error {{a template argument list is expected after a name prefixed by the template keyword}}
struct X {
template<int = 0> static void f();
};
void g() { f<X>(); }
}
namespace DependentUnresolvedUsingTemplate {
template<typename T>
struct X : T {
using T::foo;
void f() { this->template foo(); } // expected-error {{does not refer to a template}} expected-error {{a template argument list is expected after a name prefixed by the template keyword}}
void g() { this->template foo<>(); } // expected-error {{does not refer to a template}}
void h() { this->template foo<int>(); } // expected-error {{does not refer to a template}}
};
struct A { template<typename = int> int foo(); };
struct B { int foo(); }; // expected-note 3{{non-template here}}
void test(X<A> xa, X<B> xb) {
xa.f();
xa.g();
xa.h();
xb.f(); // expected-note {{instantiation of}}
xb.g(); // expected-note {{instantiation of}}
xb.h(); // expected-note {{instantiation of}}
}
}
namespace PR37680 {
template <class a> struct b : a {
using a::add;
template<int> int add() { return this->template add(0); } // expected-error {{a template argument list is expected after a name prefixed by the template keyword}}
};
struct a {
template<typename T = void> int add(...);
void add(int);
};
int f(b<a> ba) { return ba.add<0>(); }
}
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