summaryrefslogtreecommitdiff
path: root/test/SemaCXX/qual-id-test.cpp
blob: 61e60ae82dfa304cad67bfe6efa67432c3f90572 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
// RUN: %clang_cc1 -fsyntax-only -verify %s 
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++98 %s
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s

namespace A
{
    namespace B
    {
        struct base
#if __cplusplus <= 199711L
        // expected-note@-2 {{lookup in the object type 'A::sub' refers here}}
#endif
        {
            void x() {}
            void y() {}
        };
    }

    struct member
    {
        void foo();
    };

    struct middleman
    {
        member * operator->() { return 0; }
    };

    struct sub : B::base
    {
        void x() {}
        middleman operator->() { return middleman(); }
    };
}

struct bad
{
  int x();
};

namespace C
{
    void fun()
    {
        A::sub a;

        a.x();
    
        a.sub::x();
        a.base::x();

        a.B::base::x(); // expected-error{{use of undeclared identifier 'B'}}

        a.A::sub::x();
        a.A::B::base::x();

        a.bad::x(); // expected-error{{'bad::x' is not a member of class 'A::sub'}}

        a->foo();
        a->member::foo();
        a->A::member::foo();
    }

    void fun2()
    {
        A::sub *a;

        a->x();

        a->sub::x();
        a->base::x();

        a->B::base::x(); // expected-error{{use of undeclared identifier 'B'}}

        a->A::sub::x();
        a->A::B::base::x();

        a->bad::x(); // expected-error{{'bad::x' is not a member of class 'A::sub'}}

        (*a)->foo();
        (*a)->member::foo();
        (*a)->A::member::foo();
    }

    void fun3()
    {
        int i;
        i.foo(); // expected-error{{member reference base type 'int' is not a structure or union}}
    }

    void fun4a() {
      A::sub *a;
      
      typedef A::member base;
#if __cplusplus <= 199711L
      // expected-note@-2 {{lookup from the current scope refers here}}
#endif
      a->base::x();
#if __cplusplus <= 199711L
      // expected-error@-2 {{lookup of 'base' in member access expression is ambiguous}}
#endif
    }

    void fun4b() {
      A::sub *a;
      
      typedef A::B::base base;
      a->base::x();
    }
  
    template<typename T>
    void fun5()
    {
        T a;
        a.x();
        a->foo();

        a.A::sub::x();
        a.A::B::base::x();
        a->A::member::foo();

        a.bad::x(); // expected-error{{'bad::x' is not a member of class 'A::sub'}}
    }

  void test_fun5() {
    fun5<A::sub>(); // expected-note{{instantiation}}
  }
  
  template<typename T>
  void fun6() {
    T a;
    a.sub::x();
    a.base::x();
    a->member::foo();
    a.B::base::x(); // expected-error{{use of undeclared identifier 'B'}}
   }
  
  void test_fun6() {
    fun6<A::sub>(); // expected-note{{instantiation}}
  }
  
}

// PR4703
struct a {
  int a;
  static int sa;
};

a a;

int a::sa = a.a; // expected-error {{invalid use of non-static data member 'a'}}


namespace PR6645 {
  typedef int foo;
  namespace Inner {
    typedef int PR6645::foo; // expected-error{{typedef declarator cannot be qualified}} \
    // expected-error{{cannot define or redeclare 'foo' here because namespace 'Inner' does not enclose namespace 'PR6645'}}
  }
}