1 | // RUN: %clang_cc1 -verify -std=c++11 -fms-extensions %s |
2 | |
3 | 8gi///===--- recovery.cpp ---===// // expected-error {{unqualified-id}} |
4 | namespace Std { // expected-note {{here}} |
5 | typedef int Important; |
6 | } |
7 | |
8 | / redeclare as an inline namespace // expected-error {{unqualified-id}} |
9 | inline namespace Std { // expected-error {{cannot be reopened as inline}} |
10 | Important n; |
11 | } / end namespace Std // expected-error {{unqualified-id}} |
12 | int x; |
13 | Std::Important y; |
14 | |
15 | extenr "C" { // expected-error {{did you mean 'extern'}} |
16 | void f(); |
17 | } |
18 | void g() { |
19 | z = 1; // expected-error {{undeclared}} |
20 | f(); |
21 | } |
22 | |
23 | struct S { |
24 | int a, b, c; |
25 | S(); |
26 | int x // expected-error {{expected ';'}} |
27 | friend void f() |
28 | }; |
29 | 8S::S() : a{ 5 }, b{ 6 }, c{ 2 } { // expected-error {{unqualified-id}} |
30 | return; |
31 | } |
32 | int k; |
33 | int l = k // expected-error {{expected ';'}} |
34 | constexpr int foo(); |
35 | |
36 | 5int m = { l }, n = m; // expected-error {{unqualified-id}} |
37 | |
38 | namespace MissingBrace { |
39 | struct S { // expected-error {{missing '}' at end of definition of 'MissingBrace::S'}} |
40 | int f(); |
41 | // }; |
42 | |
43 | namespace N { int g(); } // expected-note {{still within definition of 'MissingBrace::S' here}} |
44 | |
45 | int k1 = S().h(); // expected-error {{no member named 'h' in 'MissingBrace::S'}} |
46 | int k2 = S().f() + N::g(); |
47 | |
48 | template<typename T> struct PR17949 { // expected-error {{missing '}' at end of definition of 'MissingBrace::PR17949'}} |
49 | |
50 | namespace X { // expected-note {{still within definition of 'MissingBrace::PR17949' here}} |
51 | } |
52 | } |
53 | |
54 | namespace N { |
55 | int |
56 | } // expected-error {{unqualified-id}} |
57 | |
58 | strcut Uuuu { // expected-error {{did you mean 'struct'}} \ |
59 | // expected-note {{'Uuuu' declared here}} |
60 | } *u[3]; |
61 | uuuu v; // expected-error {{did you mean 'Uuuu'}} |
62 | |
63 | struct Redefined { // expected-note {{previous}} |
64 | Redefined() {} |
65 | }; |
66 | struct Redefined { // expected-error {{redefinition}} |
67 | Redefined() {} |
68 | }; |
69 | |
70 | struct MissingSemi5; |
71 | namespace N { |
72 | typedef int afterMissingSemi4; |
73 | extern MissingSemi5 afterMissingSemi5; |
74 | } |
75 | |
76 | struct MissingSemi1 {} // expected-error {{expected ';' after struct}} |
77 | static int afterMissingSemi1(); |
78 | |
79 | class MissingSemi2 {} // expected-error {{expected ';' after class}} |
80 | MissingSemi1 *afterMissingSemi2; |
81 | |
82 | enum MissingSemi3 {} // expected-error {{expected ';' after enum}} |
83 | ::MissingSemi1 afterMissingSemi3; |
84 | |
85 | extern N::afterMissingSemi4 afterMissingSemi4b; |
86 | union MissingSemi4 { MissingSemi4(int); } // expected-error {{expected ';' after union}} |
87 | N::afterMissingSemi4 (afterMissingSemi4b); |
88 | |
89 | int afterMissingSemi5b; |
90 | struct MissingSemi5 { MissingSemi5(int); } // ok, no missing ';' here |
91 | N::afterMissingSemi5 (afterMissingSemi5b); |
92 | |
93 | template<typename T> struct MissingSemiT { |
94 | } // expected-error {{expected ';' after struct}} |
95 | MissingSemiT<int> msi; |
96 | |
97 | struct MissingSemiInStruct { |
98 | struct Inner1 {} // expected-error {{expected ';' after struct}} |
99 | static MissingSemi5 ms1; |
100 | |
101 | struct Inner2 {} // ok, no missing ';' here |
102 | static MissingSemi1; |
103 | |
104 | struct Inner3 {} // expected-error {{expected ';' after struct}} |
105 | static MissingSemi5 *p; |
106 | }; |
107 | |
108 | void MissingSemiInFunction() { |
109 | struct Inner1 {} // expected-error {{expected ';' after struct}} |
110 | if (true) {} |
111 | |
112 | // FIXME: It would be nice to at least warn on this. |
113 | struct Inner2 { Inner2(int); } // ok, no missing ';' here |
114 | k = l; |
115 | |
116 | struct Inner3 {} // expected-error {{expected ';' after struct}} |
117 | Inner1 i1; |
118 | |
119 | struct Inner4 {} // ok, no missing ';' here |
120 | Inner5; |
121 | } |
122 | |
123 | namespace NS { |
124 | template<typename T> struct Foo {}; |
125 | } |
126 | struct MissingSemiThenTemplate1 {} // expected-error {{expected ';' after struct}} |
127 | NS::Foo<int> missingSemiBeforeFunctionReturningTemplateId1(); |
128 | |
129 | using NS::Foo; |
130 | struct MissingSemiThenTemplate2 {} // expected-error {{expected ';' after struct}} |
131 | Foo<int> missingSemiBeforeFunctionReturningTemplateId2(); |
132 | |
133 | namespace PR17084 { |
134 | enum class EnumID {}; |
135 | template <typename> struct TempID; |
136 | template <> struct TempID<BadType> : BadType, EnumID::Garbage; // expected-error{{use of undeclared identifier 'BadType'}} |
137 | } |
138 | |
139 | namespace pr15133 { |
140 | namespace ns { |
141 | const int V1 = 1; // expected-note {{declared here}} |
142 | } |
143 | struct C1 { |
144 | enum E1 { V2 = 2 }; // expected-note {{declared here}} |
145 | static const int V3 = 3; // expected-note {{declared here}} |
146 | }; |
147 | enum E2 { |
148 | V4 = 4, // expected-note {{declared here}} |
149 | V6 // expected-note {{declared here}} |
150 | }; |
151 | enum class EC3 { V0 = 0, V5 = 5 }; // expected-note {{declared here}} |
152 | void func_3(); |
153 | |
154 | void func_1(int x) { |
155 | switch(x) { |
156 | case 0: break; |
157 | case ns::V1:: break; // expected-error{{'V1' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
158 | case C1::V2:: break; // expected-error{{'V2' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
159 | case C1::V3:: break; // expected-error{{'V3' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
160 | case V4:: break; // expected-error{{'V4' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
161 | case V6:: func_3(); // expected-error{{'V6' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
162 | } |
163 | } |
164 | void func_2(EC3 x) { |
165 | switch(x) { |
166 | case EC3::V0: break; |
167 | case EC3::V5:: break; // expected-error{{'V5' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
168 | } |
169 | } |
170 | |
171 | template<class T> struct TS1 { |
172 | typedef int A; |
173 | }; |
174 | template<class T> void func(int x) { |
175 | switch(x) { |
176 | case TS1<T>::A:: break; // expected-error{{expected unqualified-id}} |
177 | } |
178 | }; |
179 | void mainf() { |
180 | func<int>(1); |
181 | } |
182 | |
183 | struct S { |
184 | static int n; // expected-note{{declared here}} |
185 | int nn; // expected-note 2 {{declared here}} |
186 | }; |
187 | |
188 | int func_3(int x) { |
189 | return x ? S::n :: 0; // expected-error{{'n' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
190 | } |
191 | int func_4(int x, S &s) { |
192 | return x ? s.nn :: x; // expected-error{{'nn' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
193 | } |
194 | int func_5(int x, S &s) { |
195 | return x ? s.nn :: S::n; // expected-error{{'nn' cannot appear before '::' because it is not a class, namespace, or enumeration; did you mean ':'?}} |
196 | } |
197 | |
198 | struct S2 { |
199 | struct S3; |
200 | }; |
201 | |
202 | struct S2 :: S3 :: public S2 { // expected-error{{'public' cannot be a part of nested name specifier; did you mean ':'?}} |
203 | }; |
204 | } |
205 | |
206 | namespace InvalidEmptyNames { |
207 | // These shouldn't crash, the diagnostics aren't important. |
208 | struct ::, struct ::; // expected-error 2 {{expected identifier}} expected-error 2 {{declaration of anonymous struct must be a definition}} expected-warning {{declaration does not declare anything}} |
209 | enum ::, enum ::; // expected-error 2 {{expected identifier}} expected-warning {{declaration does not declare anything}} |
210 | struct ::__super, struct ::__super; // expected-error 2 {{expected identifier}} expected-error 2 {{expected '::' after '__super'}} |
211 | struct ::template foo, struct ::template bar; // expected-error 2 {{expected identifier}} expected-error 2 {{declaration of anonymous struct must be a definition}} expected-warning {{declaration does not declare anything}} |
212 | struct ::foo struct::; // expected-error {{no struct named 'foo' in the global namespace}} expected-error {{expected identifier}} expected-error {{declaration of anonymous struct must be a definition}} |
213 | class :: : {} a; // expected-error {{expected identifier}} expected-error {{expected class name}} |
214 | } |
215 | |