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