172 lines
3.8 KiB
C++
172 lines
3.8 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++0x
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#ifndef __GXX_EXPERIMENTAL_CXX0X__
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#define __CONCAT(__X, __Y) __CONCAT1(__X, __Y)
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#define __CONCAT1(__X, __Y) __X ## __Y
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#define static_assert(__b, __m) \
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typedef int __CONCAT(__sa, __LINE__)[__b ? 1 : -1]
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#endif
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class C {
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virtual void f() = 0; // expected-note {{pure virtual function 'f'}}
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};
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static_assert(__is_abstract(C), "C has a pure virtual function");
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class D : C {
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};
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static_assert(__is_abstract(D), "D inherits from an abstract class");
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class E : D {
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virtual void f();
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};
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static_assert(!__is_abstract(E), "E inherits from an abstract class but implements f");
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C *d = new C; // expected-error {{allocation of an object of abstract type 'C'}}
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C c; // expected-error {{variable type 'C' is an abstract class}}
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void t1(C c); // expected-error {{parameter type 'C' is an abstract class}}
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void t2(C); // expected-error {{parameter type 'C' is an abstract class}}
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struct S {
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C c; // expected-error {{field type 'C' is an abstract class}}
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};
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void t3(const C&);
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void f() {
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C(); // expected-error {{allocation of an object of abstract type 'C'}}
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t3(C()); // expected-error {{allocation of an object of abstract type 'C'}}
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}
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C e1[2]; // expected-error {{variable type 'C' is an abstract class}}
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C (*e2)[2]; // expected-error {{variable type 'C' is an abstract class}}
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C (**e3)[2]; // expected-error {{variable type 'C' is an abstract class}}
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void t4(C c[2]); // expected-error {{parameter type 'C' is an abstract class}}
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void t5(void (*)(C)); // expected-error {{parameter type 'C' is an abstract class}}
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typedef void (*Func)(C); // expected-error {{parameter type 'C' is an abstract class}}
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void t6(Func);
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class F {
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F a() { while (1) {} } // expected-error {{return type 'F' is an abstract class}}
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class D {
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void f(F c); // expected-error {{parameter type 'F' is an abstract class}}
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};
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union U {
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void u(F c); // expected-error {{parameter type 'F' is an abstract class}}
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};
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virtual void f() = 0; // expected-note {{pure virtual function 'f'}}
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};
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class Abstract;
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void t7(Abstract a); // expected-error {{parameter type 'Abstract' is an abstract class}}
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void t8() {
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void h(Abstract a); // expected-error {{parameter type 'Abstract' is an abstract class}}
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}
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namespace N {
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void h(Abstract a); // expected-error {{parameter type 'Abstract' is an abstract class}}
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}
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class Abstract {
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virtual void f() = 0; // expected-note {{pure virtual function 'f'}}
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};
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// <rdar://problem/6854087>
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class foo {
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public:
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virtual foo *getFoo() = 0;
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};
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class bar : public foo {
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public:
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virtual bar *getFoo();
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};
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bar x;
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// <rdar://problem/6902298>
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class A {
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public:
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virtual void release() = 0;
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virtual void release(int count) = 0;
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virtual void retain() = 0;
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};
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class B : public A {
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public:
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virtual void release();
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virtual void release(int count);
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virtual void retain();
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};
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void foo(void) {
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B b;
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}
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struct K {
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int f;
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virtual ~K();
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};
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struct L : public K {
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void f();
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};
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// PR5222
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namespace PR5222 {
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struct A {
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virtual A *clone() = 0;
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};
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struct B : public A {
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virtual B *clone() = 0;
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};
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struct C : public B {
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virtual C *clone();
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};
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C c;
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}
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// PR5550 - instantiating template didn't track overridden methods
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namespace PR5550 {
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struct A {
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virtual void a() = 0;
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virtual void b() = 0;
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};
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template<typename T> struct B : public A {
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virtual void b();
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virtual void c() = 0;
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};
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struct C : public B<int> {
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virtual void a();
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virtual void c();
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};
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C x;
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}
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namespace PureImplicit {
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// A pure virtual destructor should be implicitly overridden.
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struct A { virtual ~A() = 0; };
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struct B : A {};
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B x;
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// A pure virtual assignment operator should be implicitly overridden.
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struct D;
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struct C { virtual D& operator=(const D&) = 0; };
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struct D : C {};
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D y;
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}
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