llvm-project/clang/test/Parser/DelayedTemplateParsing.cpp

184 lines
3.2 KiB
C++

// RUN: %clang_cc1 -fms-extensions -fdelayed-template-parsing -fsyntax-only -verify -std=c++11 %s
template <class T>
class A {
void foo() {
undeclared();
}
void foo2();
};
template <class T>
class B {
void foo4() { } // expected-note {{previous definition is here}} expected-note {{previous definition is here}}
void foo4() { } // expected-error {{class member cannot be redeclared}} expected-error {{redefinition of 'foo4'}}
void foo5() { } // expected-note {{previous definition is here}}
friend void foo3() {
undeclared();
}
};
template <class T>
void B<T>::foo5() { // expected-error {{redefinition of 'foo5'}}
}
template <class T>
void A<T>::foo2() {
undeclared();
}
template <class T>
void foo3() {
undeclared();
}
template void A<int>::foo2();
void undeclared()
{
}
template <class T> void foo5() {} //expected-note {{previous definition is here}}
template <class T> void foo5() {} // expected-error {{redefinition of 'foo5'}}
namespace Inner_Outer_same_template_param_name {
template <class T>
class Outmost {
public:
template <class T>
class Inner {
public:
void f() {
T* var;
}
};
};
}
namespace PR11931 {
template <typename RunType>
struct BindState;
template<>
struct BindState<void(void*)> {
static void Run() { }
};
class Callback {
public:
typedef void RunType();
template <typename RunType>
Callback(BindState<RunType> bind_state) {
BindState<RunType>::Run();
}
};
Callback Bind() {
return Callback(BindState<void(void*)>());
}
}
namespace rdar11700604 {
template<typename T> void foo() = delete;
struct X {
X() = default;
template<typename T> void foo() = delete;
};
}
namespace PR17334 {
template <typename = void> struct ArrayRef {
constexpr ArrayRef() {}
};
template <typename = void> void CreateConstInBoundsGEP2_32() {
ArrayRef<> IdxList;
}
void LLVMBuildStructGEP() { CreateConstInBoundsGEP2_32(); }
}
namespace PR17661 {
template <typename T>
constexpr T Fun(T A) { return T(0); }
constexpr int Var = Fun(20);
}
template <typename T>
auto invalidTrailingRetType() -> Bogus {} // expected-error {{unknown type name 'Bogus'}}
namespace PR19613 {
struct HeapTypeConfig {
static void from_bitset();
};
template <class Config>
struct TypeImpl {
struct BitsetType;
static void Any() {
BitsetType::New();
}
};
template<class Config>
struct TypeImpl<Config>::BitsetType {
static void New() {
Config::from_bitset();
}
};
static void f() {
TypeImpl<HeapTypeConfig>::Any();
}
template<typename A> struct S {
template<typename B> struct T;
};
template<typename A> template<typename B> struct S<A>::T {
template<typename C, typename D> struct U;
template<typename C> struct U<C, C> {
template<typename E> static int f() {
return sizeof(A) + sizeof(B) + sizeof(C) + sizeof(E);
}
};
};
static void g() {
S<int>::T<int>::U<int,int>::f<int>();
}
template<typename T> struct SS {
template<typename U> struct X;
template<typename U> struct X<U*>;
};
template<typename T> template<typename U> struct SS<T>::X<U*> {
static int f() {
return sizeof(T) + sizeof(U);
}
};
static void h() {
SS<int>::X<int*>::f();
}
}