| // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s |
| // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
| struct X0 { |
| X0 f1(); |
| X0 f2(); |
| }; |
| |
| template<typename T> |
| struct X1 { |
| X1<T>(int); |
| (X1<T>)(float); |
| X1 f2(); |
| X1 f2(int); |
| X1 f2(float); |
| }; |
| |
| // Error recovery: out-of-line constructors whose names have template arguments. |
| template<typename T> X1<T>::X1<T>(int) { } // expected-error{{out-of-line constructor for 'X1' cannot have template arguments}} |
| template<typename T> (X1<T>::X1<T>)(float) { } // expected-error{{out-of-line constructor for 'X1' cannot have template arguments}} |
| |
| // Error recovery: out-of-line constructor names intended to be types |
| X0::X0 X0::f1() { return X0(); } // expected-error{{qualified reference to 'X0' is a constructor name rather than a type wherever a constructor can be declared}} |
| |
| struct X0::X0 X0::f2() { return X0(); } |
| |
| template<typename T> X1<T>::X1<T> X1<T>::f2() { } // expected-error{{qualified reference to 'X1' is a constructor name rather than a template name wherever a constructor can be declared}} |
| template<typename T> X1<T>::X1<T> (X1<T>::f2)(int) { } // expected-error{{qualified reference to 'X1' is a constructor name rather than a template name wherever a constructor can be declared}} |
| template<typename T> struct X1<T>::X1<T> (X1<T>::f2)(float) { } |
| |
| // We have a special case for lookup within using-declarations that are |
| // member-declarations: foo::bar::baz::baz always names baz's constructor |
| // in such a context, even if looking up 'baz' within foo::bar::baz would |
| // not find the injected-class-name. Likewise foo::bar::baz<T>::baz also |
| // names the constructor. |
| namespace InhCtor { |
| struct A { |
| A(int); |
| protected: |
| int T(); |
| }; |
| typedef A T; |
| struct B : A { |
| // This is a using-declaration for 'int A::T()' in C++98, but is an |
| // inheriting constructor declaration in C++11. |
| using InhCtor::T::T; |
| }; |
| #if __cplusplus < 201103L |
| B b(123); // expected-error {{no matching constructor}} |
| // expected-note@-7 2{{candidate constructor}} |
| int n = b.T(); // ok, accessible |
| #else |
| B b(123); // ok, inheriting constructor |
| int n = b.T(); // expected-error {{'T' is a protected member of 'InhCtor::A'}} |
| // expected-note@-15 {{declared protected here}} |
| |
| template<typename T> |
| struct S : T { |
| struct U : S { |
| using S::S; |
| }; |
| using T::T; |
| }; |
| |
| S<A>::U ua(0); |
| S<B>::U ub(0); |
| |
| template<typename T> |
| struct X : T { |
| using T::Z::U::U; |
| }; |
| template<typename T> |
| struct X2 : T { |
| using T::Z::template V<int>::V; |
| }; |
| struct Y { |
| struct Z { |
| typedef Y U; |
| template<typename T> using V = Y; |
| }; |
| Y(int); |
| }; |
| X<Y> xy(0); |
| |
| namespace Repeat { |
| struct A { |
| struct T { |
| T(int); |
| }; |
| }; |
| struct Z : A { |
| using A::A::A; |
| }; |
| template<typename T> |
| struct ZT : T::T { |
| using T::T::T; |
| }; |
| } |
| |
| namespace NS { |
| struct NS {}; |
| } |
| struct DerivedFromNS : NS::NS { |
| // No special case unless the NNS names a class. |
| using InhCtor::NS::NS; // expected-error {{using declaration in class refers into 'InhCtor::NS::', which is not a class}} |
| |
| }; |
| |
| typedef int I; |
| struct UsingInt { |
| using I::I; // expected-error {{expected a class or namespace}} |
| }; |
| template<typename T> struct UsingIntTemplate { |
| using T::T; // expected-error {{type 'int' cannot be used prior to '::' because it has no members}} |
| }; |
| UsingIntTemplate<int> uit; // expected-note {{here}} |
| #endif |
| } |