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// Test C++ chained PCH functionality
// Without PCH
// RUN: %clang_cc1 -fsyntax-only -verify -include %s -include %s %s
// With PCH
// RUN: %clang_cc1 -fsyntax-only -verify %s -chain-include %s -chain-include %s
// With modules
// RUN: %clang_cc1 -fsyntax-only -verify -fmodules %s -chain-include %s -chain-include %s
// expected-no-diagnostics
#ifndef HEADER1
#define HEADER1
//===----------------------------------------------------------------------===//
// Primary header for C++ chained PCH test
void f();
// Name not appearing in dependent
void pf();
namespace ns {
void g();
void pg();
}
template <typename T>
struct S { typedef int G; };
// Partially specialize
template <typename T>
struct S<T *> { typedef int H; };
template <typename T> struct TS2;
typedef TS2<int> TS2int;
template <typename T> struct TestBaseSpecifiers { };
template<typename T> struct TestBaseSpecifiers2 : TestBaseSpecifiers<T> { };
template <typename T>
struct TS3 {
static const int value = 0;
static const int value2;
};
template <typename T>
const int TS3<T>::value;
template <typename T>
const int TS3<T>::value2 = 1;
// Instantiate struct, but not value.
struct instantiate : TS3<int> {};
// Typedef
typedef int Integer;
//===----------------------------------------------------------------------===//
#elif not defined(HEADER2)
#define HEADER2
#if !defined(HEADER1)
#error Header inclusion order messed up
#endif
//===----------------------------------------------------------------------===//
// Dependent header for C++ chained PCH test
// Overload function from primary
void f(int);
// Add function with different name
void f2();
// Reopen namespace
namespace ns {
// Overload function from primary
void g(int);
// Add different name
void g2();
}
// Specialize template from primary
template <>
struct S<int> { typedef int I; };
// Partially specialize
template <typename T>
struct S<T &> { typedef int J; };
// Specialize previous partial specialization
template <>
struct S<int *> { typedef int K; };
// Specialize the partial specialization from this file
template <>
struct S<int &> { typedef int L; };
template <typename T> struct TS2 { };
struct TestBaseSpecifiers3 { };
struct TestBaseSpecifiers4 : TestBaseSpecifiers3 { };
struct A { };
struct B : A { };
// Instantiate TS3's members.
static const int ts3m1 = TS3<int>::value;
extern int arr[TS3<int>::value2];
// Redefinition of typedef
typedef int Integer;
//===----------------------------------------------------------------------===//
#else
//===----------------------------------------------------------------------===//
void test() {
f();
f(1);
pf();
f2();
ns::g();
ns::g(1);
ns::pg();
ns::g2();
typedef S<double>::G T1;
typedef S<double *>::H T2;
typedef S<int>::I T3;
typedef S<double &>::J T4;
typedef S<int *>::K T5;
typedef S<int &>::L T6;
TS2int ts2;
B b;
Integer i = 17;
}
// Should have remembered that there is a definition.
static const int ts3m2 = TS3<int>::value;
int arr[TS3<int>::value2];
//===----------------------------------------------------------------------===//
#endif
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