1 // RUN: %clang_cc1 -fsyntax-only -verify %s 2 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s 3 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s 4 // RUN: %clang_cc1 -fsyntax-only -verify %s -fdelayed-template-parsing 5 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s -fdelayed-template-parsing 6 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s -fdelayed-template-parsing 7 8 template<typename T> struct A {}; 9 10 // Check for template argument lists followed by junk 11 // FIXME: The diagnostics here aren't great... 12 A<int+> int x; // expected-error {{expected '>'}} expected-error {{expected unqualified-id}} 13 A<int x; // expected-error {{type-id cannot have a name}} expected-error {{expected '>'}} 14 15 // PR8912 16 template <bool> struct S {}; 17 S<bool(2 > 1)> s; 18 19 // Test behavior when a template-id is ended by a token which starts with '>'. 20 namespace greatergreater { 21 template<typename T> struct S { S(); S(T); }; 22 void f(S<int>=0); // expected-error {{a space is required between a right angle bracket and an equals sign (use '> =')}} 23 void f(S<S<int>>=S<int>()); // expected-error {{use '> >'}} expected-error {{use '> ='}} 24 template<typename T> void t(); g()25 void g() { 26 void (*p)() = &t<int>; 27 (void)(&t<int>==p); // expected-error {{use '> ='}} 28 (void)(&t<int>>=p); // expected-error {{use '> >'}} 29 (void)(&t<S<int>>>=p); 30 #if __cplusplus <= 199711L 31 // expected-error@-2 {{use '> >'}} 32 #endif 33 (void)(&t<S<int>>==p); // expected-error {{use '> >'}} expected-error {{use '> ='}} 34 } 35 } 36 37 namespace PR5925 { 38 template <typename x> 39 class foo { // expected-note {{here}} 40 }; bar(foo * X)41 void bar(foo *X) { // expected-error {{requires template arguments}} 42 } 43 } 44 45 namespace PR13210 { 46 template <class T> 47 class C {}; // expected-note {{here}} 48 f()49 void f() { 50 new C(); // expected-error {{requires template arguments}} 51 } 52 } 53 54 // Don't emit spurious messages 55 namespace pr16225add { 56 57 template<class T1, typename T2> struct Known { }; // expected-note 3 {{template is declared here}} 58 template<class T1, typename T2> struct X; 59 template<class T1, typename T2> struct ABC; // expected-note {{template is declared here}} 60 template<int N1, int N2> struct ABC2 {}; 61 62 template<class T1, typename T2> struct foo : 63 UnknownBase<T1,T2> // expected-error {{unknown template name 'UnknownBase'}} 64 { }; 65 66 template<class T1, typename T2> struct foo2 : 67 UnknownBase<T1,T2>, // expected-error {{unknown template name 'UnknownBase'}} 68 Known<T1> // expected-error {{too few template arguments for class template 'Known'}} 69 { }; 70 71 template<class T1, typename T2> struct foo3 : 72 UnknownBase<T1,T2,ABC<T2,T1> > // expected-error {{unknown template name 'UnknownBase'}} 73 { }; 74 75 template<class T1, typename T2> struct foo4 : 76 UnknownBase<T1,ABC<T2> >, // expected-error {{unknown template name 'UnknownBase'}} \ 77 // expected-error {{too few template arguments for class template 'ABC'}} 78 Known<T1> // expected-error {{too few template arguments for class template 'Known'}} 79 { }; 80 81 template<class T1, typename T2> struct foo5 : 82 UnknownBase<T1,T2,ABC<T2,T1>> // expected-error {{unknown template name 'UnknownBase'}} 83 #if __cplusplus <= 199711L 84 // expected-error@-2 {{use '> >'}} 85 #endif 86 { }; 87 88 template<class T1, typename T2> struct foo6 : 89 UnknownBase<T1,ABC<T2,T1>>, // expected-error {{unknown template name 'UnknownBase'}} 90 #if __cplusplus <= 199711L 91 // expected-error@-2 {{use '> >'}} 92 #endif 93 Known<T1> // expected-error {{too few template arguments for class template 'Known'}} 94 { }; 95 96 template<class T1, typename T2, int N> struct foo7 : 97 UnknownBase<T1,T2,(N>1)> // expected-error {{unknown template name 'UnknownBase'}} 98 { }; 99 100 template<class T1, typename T2> struct foo8 : 101 UnknownBase<X<int,int>,X<int,int>> // expected-error {{unknown template name 'UnknownBase'}} 102 #if __cplusplus <= 199711L 103 // expected-error@-2 {{use '> >'}} 104 #endif 105 { }; 106 107 template<class T1, typename T2> struct foo9 : 108 UnknownBase<Known<int,int>,X<int,int>> // expected-error {{unknown template name 'UnknownBase'}} 109 #if __cplusplus <= 199711L 110 // expected-error@-2 {{use '> >'}} 111 #endif 112 { }; 113 114 template<class T1, typename T2> struct foo10 : 115 UnknownBase<Known<int,int>,X<int,X<int,int>>> // expected-error {{unknown template name 'UnknownBase'}} 116 #if __cplusplus <= 199711L 117 // expected-error@-2 {{use '> >'}} 118 #endif 119 { }; 120 121 template<int N1, int N2> struct foo11 : 122 UnknownBase<2<N1,N2<4> // expected-error {{unknown template name 'UnknownBase'}} 123 { }; 124 125 } 126 127 namespace PR18793 { 128 template<typename T, T> struct S {}; 129 template<typename T> int g(S<T, (T())> *); 130 } 131