nested-name-spec.cpp revision a75a92dfffee2b34a43f1d0e9f8d1949feb190ad 
1// RUN: clang-cc -fsyntax-only -std=c++98 -verify %s
2namespace A {
3  struct C {
4    static int cx;
5
6    static int cx2;
7
8    static int Ag1();
9    static int Ag2();
10  };
11  int ax;
12  void Af();
13}
14
15A:: ; // expected-error {{expected unqualified-id}}
16::A::ax::undef ex3; // expected-error {{no member named}}
17A::undef1::undef2 ex4; // expected-error {{no member named 'undef1'}}
18
19int A::C::Ag1() { return 0; }
20
21static int A::C::Ag2() { return 0; } // expected-error{{'static' can}}
22
23int A::C::cx = 17;
24
25
26static int A::C::cx2 = 17; // expected-error{{'static' can}}
27
28class C2 {
29  void m(); // expected-note{{member declaration nearly matches}}
30
31  void f(const int& parm); // expected-note{{member declaration nearly matches}}
32  void f(int) const; // expected-note{{member declaration nearly matches}}
33  void f(float);
34
35  int x;
36};
37
38void C2::m() const { } // expected-error{{out-of-line definition of 'm' does not match any declaration in 'class C2'}}
39
40void C2::f(int) { } // expected-error{{out-of-line definition of 'f' does not match any declaration in 'class C2'}}
41
42void C2::m() {
43  x = 0;
44}
45
46namespace B {
47  void ::A::Af() {} // expected-error {{definition or redeclaration of 'Af' not in a namespace enclosing 'A'}}
48}
49
50void f1() {
51  void A::Af(); // expected-error {{definition or redeclaration of 'Af' not allowed inside a function}}
52}
53
54void f2() {
55  A:: ; // expected-error {{expected unqualified-id}}
56  A::C::undef = 0; // expected-error {{no member named 'undef'}}
57  ::A::C::cx = 0;
58  int x = ::A::ax = A::C::cx;
59  x = sizeof(A::C);
60  x = sizeof(::A::C::cx);
61}
62
63A::C c1;
64struct A::C c2;
65struct S : public A::C {};
66struct A::undef; // expected-error {{'undef' does not name a tag member in the specified scope}}
67
68namespace A2 {
69  typedef int INT;
70  struct RC;
71  struct CC {
72    struct NC;
73  };
74}
75
76struct A2::RC {
77  INT x;
78};
79
80struct A2::CC::NC {
81  void m() {}
82};
83
84void f3() {
85  N::x = 0; // expected-error {{use of undeclared identifier 'N'}}
86  int N;
87  N::x = 0; // expected-error {{expected a class or namespace}}
88  { int A;           A::ax = 0; }
89  { typedef int A;   A::ax = 0; } // expected-error{{expected a class or namespace}}
90  { typedef A::C A;  A::ax = 0; } // expected-error {{no member named 'ax'}}
91  { typedef A::C A;  A::cx = 0; }
92}
93
94// make sure the following doesn't hit any asserts
95void f4(undef::C); // expected-error {{use of undeclared identifier 'undef'}} \
96                      expected-error {{variable has incomplete type 'void'}}
97
98typedef void C2::f5(int); // expected-error{{typedef declarator cannot be qualified}}
99
100void f6(int A2::RC::x); // expected-error{{parameter declarator cannot be qualified}}
101
102int A2::RC::x; // expected-error{{non-static data member defined out-of-line}}
103
104void A2::CC::NC::m(); // expected-error{{out-of-line declaration of a member must be a definition}}
105
106
107namespace E {
108  int X = 5;
109
110  namespace Nested {
111    enum E {
112      X = 0
113    };
114
115    void f() {
116      return E::X; // expected-error{{expected a class or namespace}}
117    }
118  }
119}
120
121
122class Operators {
123  Operators operator+(const Operators&) const; // expected-note{{member declaration nearly matches}}
124  operator bool();
125};
126
127Operators Operators::operator+(const Operators&) { // expected-error{{out-of-line definition of 'operator+' does not match any declaration in 'class Operators'}}
128  Operators ops;
129  return ops;
130}
131
132Operators Operators::operator+(const Operators&) const {
133  Operators ops;
134  return ops;
135}
136
137Operators::operator bool() {
138  return true;
139}
140
141namespace A {
142  void g(int&); // expected-note{{member declaration nearly matches}}
143}
144
145void A::f() {} // expected-error{{out-of-line definition of 'f' does not match any declaration in namespace 'A'}}
146
147void A::g(const int&) { } // expected-error{{out-of-line definition of 'g' does not match any declaration in namespace 'A'}}
148
149struct Struct { };
150
151void Struct::f() { } // expected-error{{out-of-line definition of 'f' does not match any declaration in 'struct Struct'}}
152
153void global_func(int);
154void global_func2(int);
155
156namespace N {
157  void ::global_func(int) { } // expected-error{{definition or redeclaration of 'global_func' cannot name the global scope}}
158
159  void f();
160  // FIXME: if we move this to a separate definition of N, things break!
161}
162void ::global_func2(int) { } // expected-error{{definition or redeclaration of 'global_func2' cannot name the global scope}}
163
164void N::f() { } // okay
165
166struct Y;  // expected-note{{forward declaration of 'struct Y'}}
167Y::foo y; // expected-error{{incomplete type 'struct Y' named in nested name specifier}} \
168         // expected-error{{no type named 'foo' in}}
169
170X::X() : a(5) { } // expected-error{{use of undeclared identifier 'X'}} \
171      // expected-error{{C++ requires a type specifier for all declarations}} \
172      // expected-error{{only constructors take base initializers}}
173
174struct foo_S {
175  static bool value;
176};
177bool (foo_S::value);
178
179
180namespace somens {
181  struct a { };
182}
183
184template <typename T>
185class foo {
186};
187
188
189// PR4452
190// FIXME: This error recovery sucks.
191foo<somens:a> a2;  // expected-error {{unexpected namespace name 'somens': expected expression}} \
192expected-error {{C++ requires a type specifier for all declarations}}
193
194somens::a a3 = a2;
195
196
197
198
199