108 lines
4.1 KiB
C++
108 lines
4.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s
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template<typename T> struct A {};
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// Check for template argument lists followed by junk
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// FIXME: The diagnostics here aren't great...
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A<int+> int x; // expected-error {{expected '>'}} expected-error {{expected unqualified-id}}
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A<int x; // expected-error {{type-id cannot have a name}} expected-error {{expected '>'}}
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// PR8912
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template <bool> struct S {};
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S<bool(2 > 1)> s;
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// Test behavior when a template-id is ended by a token which starts with '>'.
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namespace greatergreater {
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template<typename T> struct S { S(); S(T); };
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void f(S<int>=0); // expected-error {{a space is required between a right angle bracket and an equals sign (use '> =')}}
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void f(S<S<int>>=S<int>()); // expected-error {{use '> >'}} expected-error {{use '> ='}}
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template<typename T> void t();
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void g() {
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void (*p)() = &t<int>;
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(void)(&t<int>==p); // expected-error {{use '> ='}}
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(void)(&t<int>>=p); // expected-error {{use '> >'}}
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(void)(&t<S<int>>>=p); // expected-error {{use '> >'}}
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(void)(&t<S<int>>==p); // expected-error {{use '> >'}} expected-error {{use '> ='}}
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}
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}
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namespace PR5925 {
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template <typename x>
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class foo { // expected-note {{here}}
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};
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void bar(foo *X) { // expected-error {{requires template arguments}}
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}
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}
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namespace PR13210 {
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template <class T>
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class C {}; // expected-note {{here}}
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void f() {
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new C(); // expected-error {{requires template arguments}}
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}
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}
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// Don't emit spurious messages
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namespace pr16225add {
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template<class T1, typename T2> struct Known { }; // expected-note 3 {{template is declared here}}
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template<class T1, typename T2> struct X;
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template<class T1, typename T2> struct ABC; // expected-note {{template is declared here}}
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template<int N1, int N2> struct ABC2 {};
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template<class T1, typename T2> struct foo :
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UnknownBase<T1,T2> // expected-error {{unknown template name 'UnknownBase'}}
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{ };
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template<class T1, typename T2> struct foo2 :
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UnknownBase<T1,T2>, // expected-error {{unknown template name 'UnknownBase'}}
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Known<T1> // expected-error {{too few template arguments for class template 'Known'}}
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{ };
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template<class T1, typename T2> struct foo3 :
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UnknownBase<T1,T2,ABC<T2,T1> > // expected-error {{unknown template name 'UnknownBase'}}
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{ };
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template<class T1, typename T2> struct foo4 :
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UnknownBase<T1,ABC<T2> >, // expected-error {{unknown template name 'UnknownBase'}} \
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// expected-error {{too few template arguments for class template 'ABC'}}
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Known<T1> // expected-error {{too few template arguments for class template 'Known'}}
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{ };
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template<class T1, typename T2> struct foo5 :
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UnknownBase<T1,T2,ABC<T2,T1>> // expected-error {{unknown template name 'UnknownBase'}} \
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// expected-error {{use '> >'}}
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{ };
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template<class T1, typename T2> struct foo6 :
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UnknownBase<T1,ABC<T2,T1>>, // expected-error {{unknown template name 'UnknownBase'}} \
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// expected-error {{use '> >'}}
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Known<T1> // expected-error {{too few template arguments for class template 'Known'}}
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{ };
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template<class T1, typename T2, int N> struct foo7 :
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UnknownBase<T1,T2,(N>1)> // expected-error {{unknown template name 'UnknownBase'}}
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{ };
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template<class T1, typename T2> struct foo8 :
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UnknownBase<X<int,int>,X<int,int>> // expected-error {{unknown template name 'UnknownBase'}} \
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// expected-error {{use '> >'}}
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{ };
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template<class T1, typename T2> struct foo9 :
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UnknownBase<Known<int,int>,X<int,int>> // expected-error {{unknown template name 'UnknownBase'}} \
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// expected-error {{use '> >'}}
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{ };
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template<class T1, typename T2> struct foo10 :
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UnknownBase<Known<int,int>,X<int,X<int,int>>> // expected-error {{unknown template name 'UnknownBase'}} \
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// expected-error {{use '> >'}}
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{ };
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template<int N1, int N2> struct foo11 :
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UnknownBase<2<N1,N2<4> // expected-error {{unknown template name 'UnknownBase'}}
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{ };
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}
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