1 struct Base1 {
2   int member1;
3   float member2;
4 };
5 
6 struct Base2 {
7   int member1;
8   double member3;
9   void memfun1(int);
10 };
11 
12 struct Base3 : Base1, Base2 {
13   void memfun1(float);
14   void memfun1(double) const;
15   void memfun2(int);
16 };
17 
18 struct Derived : Base3 {
19   template <typename T> Derived(T);
20   Derived(int);
21   int member4;
22   int memfun3(int);
23 };
24 
25 class Proxy {
26 public:
27   Derived *operator->() const;
28 };
29 
30 void test(const Proxy &p) {
31   p->
32 }
33 
34 struct Test1 {
35   Base1 b;
36 
37   static void sfunc() {
38     b. // expected-error {{invalid use of member 'b' in static member function}}
39   }
40 };
41 
42 struct Foo {
43   void foo() const;
44   static void foo(bool);
45 };
46 
47 struct Bar {
48   void foo(bool param) {
49     Foo::foo(  );// unresolved member expression with an implicit base
50   }
51 };
52 
53   // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:31:6 %s -o - | FileCheck -check-prefix=CHECK-CC1 --implicit-check-not="Derived : Derived(" %s
54   // CHECK-CC1: Base1 (InBase) : Base1::
55   // CHECK-CC1: member1 (InBase) : [#int#][#Base1::#]member1
56   // CHECK-CC1: member1 (InBase) : [#int#][#Base2::#]member1
57   // CHECK-CC1: member2 (InBase) : [#float#][#Base1::#]member2
58   // CHECK-CC1: member3 (InBase)
59   // CHECK-CC1: member4
60   // CHECK-CC1: memfun1 (InBase) : [#void#][#Base3::#]memfun1(<#float#>)
61   // CHECK-CC1: memfun1 (InBase) : [#void#][#Base3::#]memfun1(<#double#>)[# const#]
62   // CHECK-CC1: memfun1 (Hidden,InBase) : [#void#]Base2::memfun1(<#int#>)
63   // CHECK-CC1: memfun2 (InBase) : [#void#][#Base3::#]memfun2(<#int#>)
64   // CHECK-CC1: memfun3 : [#int#]memfun3(<#int#>)
65 
66 // Make sure this doesn't crash
67 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:38:7 %s -verify
68 
69 // Make sure this also doesn't crash
70 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:49:14 %s
71 
72 
73 template<typename T>
74 class BaseTemplate {
75 public:
76   T baseTemplateFunction();
77 
78   T baseTemplateField;
79 };
80 
81 template<typename T, typename S>
82 class TemplateClass: public Base1 , public BaseTemplate<T> {
83 public:
84   T function() { }
85   T field;
86 
87   TemplateClass<S, T> &relatedField;
88   BaseTemplate<S> &relatedFunction();
89 
90   void overload1(const T &);
91   void overload1(const S &);
92 };
93 
94 template<typename T, typename S>
95 void completeDependentMembers(TemplateClass<T, S> &object,
96                               TemplateClass<int, S> *object2) {
97   object.field;
98   object2->field;
99 // CHECK-CC2: baseTemplateField (InBase) : [#T#][#BaseTemplate<T>::#]baseTemplateField
100 // CHECK-CC2: baseTemplateFunction (InBase) : [#T#][#BaseTemplate<T>::#]baseTemplateFunction()
101 // CHECK-CC2: field : [#T#]field
102 // CHECK-CC2: function : [#T#]function()
103 // CHECK-CC2: member1 (InBase) : [#int#][#Base1::#]member1
104 // CHECK-CC2: member2 (InBase) : [#float#][#Base1::#]member2
105 // CHECK-CC2: overload1 : [#void#]overload1(<#const T &#>)
106 // CHECK-CC2: overload1 : [#void#]overload1(<#const S &#>)
107 
108 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:97:10 %s -o - | FileCheck -check-prefix=CHECK-CC2 %s
109 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:98:12 %s -o - | FileCheck -check-prefix=CHECK-CC2 %s
110 
111   object.relatedField.relatedFunction().baseTemplateField;
112 // CHECK-DEP-CHAIN: baseTemplateField : [#T#]baseTemplateField
113 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:111:41 %s -o - | FileCheck -check-prefix=CHECK-DEP-CHAIN %s
114 }
115 
116 
117 void completeDependentSpecializedMembers(TemplateClass<int, double> &object,
118                                          TemplateClass<int, double> *object2) {
119   object.field;
120   object2->field;
121 // CHECK-CC3: baseTemplateField (InBase) : [#int#][#BaseTemplate<int>::#]baseTemplateField
122 // CHECK-CC3: baseTemplateFunction (InBase) : [#int#][#BaseTemplate<int>::#]baseTemplateFunction()
123 // CHECK-CC3: field : [#int#]field
124 // CHECK-CC3: function : [#int#]function()
125 // CHECK-CC3: member1 (InBase) : [#int#][#Base1::#]member1
126 // CHECK-CC3: member2 (InBase) : [#float#][#Base1::#]member2
127 // CHECK-CC3: overload1 : [#void#]overload1(<#const int &#>)
128 // CHECK-CC3: overload1 : [#void#]overload1(<#const double &#>)
129 
130 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:119:10 %s -o - | FileCheck -check-prefix=CHECK-CC3 %s
131 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:120:12 %s -o - | FileCheck -check-prefix=CHECK-CC3 %s
132 }
133 
134 template <typename T>
135 class Template {
136 public:
137   BaseTemplate<int> o1;
138   BaseTemplate<T> o2;
139 
140   void function() {
141     o1.baseTemplateField;
142 // CHECK-CC4: BaseTemplate : BaseTemplate::
143 // CHECK-CC4: baseTemplateField : [#int#]baseTemplateField
144 // CHECK-CC4: baseTemplateFunction : [#int#]baseTemplateFunction()
145 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:141:8 %s -o - | FileCheck -check-prefix=CHECK-CC4 %s
146     o2.baseTemplateField;
147 // CHECK-CC5: BaseTemplate : BaseTemplate::
148 // CHECK-CC5: baseTemplateField : [#T#]baseTemplateField
149 // CHECK-CC5: baseTemplateFunction : [#T#]baseTemplateFunction()
150 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:146:8 %s -o - | FileCheck -check-prefix=CHECK-CC5 %s
151     this->o1;
152 // CHECK-CC6: [#void#]function()
153 // CHECK-CC6: o1 : [#BaseTemplate<int>#]o1
154 // CHECK-CC6: o2 : [#BaseTemplate<T>#]o2
155 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:151:11 %s -o - | FileCheck -check-prefix=CHECK-CC6 %s
156   }
157 
158   static void staticFn(T &obj);
159 
160   struct Nested { };
161 };
162 
163 template<typename T>
164 void dependentColonColonCompletion() {
165   Template<T>::staticFn();
166 // CHECK-CC7: function : [#void#]function()
167 // CHECK-CC7: Nested : Nested
168 // CHECK-CC7: o1 : [#BaseTemplate<int>#]o1
169 // CHECK-CC7: o2 : [#BaseTemplate<T>#]o2
170 // CHECK-CC7: staticFn : [#void#]staticFn(<#T &obj#>)
171 // CHECK-CC7: Template : Template
172 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:165:16 %s -o - | FileCheck -check-prefix=CHECK-CC7 %s
173   typename Template<T>::Nested m;
174 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:173:25 %s -o - | FileCheck -check-prefix=CHECK-CC7 %s
175 }
176 
177 class Proxy2 {
178 public:
179   Derived *operator->() const;
180   int member5;
181 };
182 
183 void test2(const Proxy2 &p) {
184   p->
185 }
186 
187 void test3(const Proxy2 &p) {
188   p.
189 }
190 
191 // RUN: %clang_cc1 -fsyntax-only -code-completion-with-fixits -code-completion-at=%s:184:6 %s -o - | FileCheck -check-prefix=CHECK-CC8 --implicit-check-not="Derived : Derived(" %s
192 // CHECK-CC8: Base1 (InBase) : Base1::
193 // CHECK-CC8: member1 (InBase) : [#int#][#Base1::#]member1
194 // CHECK-CC8: member1 (InBase) : [#int#][#Base2::#]member1
195 // CHECK-CC8: member2 (InBase) : [#float#][#Base1::#]member2
196 // CHECK-CC8: member3 (InBase) : [#double#][#Base2::#]member3
197 // CHECK-CC8: member4 : [#int#]member4
198 // CHECK-CC8: member5 : [#int#]member5 (requires fix-it: {184:4-184:6} to ".")
199 // CHECK-CC8: memfun1 (InBase) : [#void#][#Base3::#]memfun1(<#float#>)
200 // CHECK-CC8: memfun1 (InBase) : [#void#][#Base3::#]memfun1(<#double#>)[# const#]
201 // CHECK-CC8: memfun1 (Hidden,InBase) : [#void#]Base2::memfun1(<#int#>)
202 // CHECK-CC8: memfun2 (InBase) : [#void#][#Base3::#]memfun2(<#int#>)
203 // CHECK-CC8: memfun3 : [#int#]memfun3(<#int#>)
204 // CHECK-CC8: operator-> : [#Derived *#]operator->()[# const#] (requires fix-it: {184:4-184:6} to ".")
205 
206 // RUN: %clang_cc1 -fsyntax-only -code-completion-with-fixits -code-completion-at=%s:188:6 %s -o - | FileCheck -check-prefix=CHECK-CC9 --implicit-check-not="Derived : Derived(" %s
207 // CHECK-CC9: Base1 (InBase) : Base1::
208 // CHECK-CC9: member1 (InBase) : [#int#][#Base1::#]member1 (requires fix-it: {188:4-188:5} to "->")
209 // CHECK-CC9: member1 (InBase) : [#int#][#Base2::#]member1 (requires fix-it: {188:4-188:5} to "->")
210 // CHECK-CC9: member2 (InBase) : [#float#][#Base1::#]member2 (requires fix-it: {188:4-188:5} to "->")
211 // CHECK-CC9: member3 (InBase) : [#double#][#Base2::#]member3 (requires fix-it: {188:4-188:5} to "->")
212 // CHECK-CC9: member4 : [#int#]member4 (requires fix-it: {188:4-188:5} to "->")
213 // CHECK-CC9: member5 : [#int#]member5
214 // CHECK-CC9: memfun1 (InBase) : [#void#][#Base3::#]memfun1(<#float#>) (requires fix-it: {188:4-188:5} to "->")
215 // CHECK-CC9: memfun1 (InBase) : [#void#][#Base3::#]memfun1(<#double#>)[# const#] (requires fix-it: {188:4-188:5} to "->")
216 // CHECK-CC9: memfun1 (Hidden,InBase) : [#void#]Base2::memfun1(<#int#>) (requires fix-it: {188:4-188:5} to "->")
217 // CHECK-CC9: memfun2 (InBase) : [#void#][#Base3::#]memfun2(<#int#>) (requires fix-it: {188:4-188:5} to "->")
218 // CHECK-CC9: memfun3 : [#int#]memfun3(<#int#>) (requires fix-it: {188:4-188:5} to "->")
219 // CHECK-CC9: operator-> : [#Derived *#]operator->()[# const#]
220 
221 // These overload sets differ only by return type and this-qualifiers.
222 // So for any given callsite, only one is available.
223 struct Overloads {
224   double ConstOverload(char);
225   int ConstOverload(char) const;
226 
227   int RefOverload(char) &;
228   double RefOverload(char) const&;
229   char RefOverload(char) &&;
230 };
231 void testLValue(Overloads& Ref) {
232   Ref.
233 }
234 void testConstLValue(const Overloads& ConstRef) {
235   ConstRef.
236 }
237 void testRValue() {
238   Overloads().
239 }
240 void testXValue(Overloads& X) {
241   static_cast<Overloads&&>(X).
242 }
243 
244 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:232:7 %s -o - | FileCheck -check-prefix=CHECK-LVALUE %s \
245 // RUN: --implicit-check-not="[#int#]ConstOverload(" \
246 // RUN: --implicit-check-not="[#double#]RefOverload(" \
247 // RUN: --implicit-check-not="[#char#]RefOverload("
248 // CHECK-LVALUE-DAG: [#double#]ConstOverload(
249 // CHECK-LVALUE-DAG: [#int#]RefOverload(
250 
251 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:235:12 %s -o - | FileCheck -check-prefix=CHECK-CONSTLVALUE %s \
252 // RUN: --implicit-check-not="[#double#]ConstOverload(" \
253 // RUN: --implicit-check-not="[#int#]RefOverload(" \
254 // RUN: --implicit-check-not="[#char#]RefOverload("
255 // CHECK-CONSTLVALUE: [#int#]ConstOverload(
256 // CHECK-CONSTLVALUE: [#double#]RefOverload(
257 
258 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:238:15 %s -o - | FileCheck -check-prefix=CHECK-PRVALUE %s \
259 // RUN: --implicit-check-not="[#int#]ConstOverload(" \
260 // RUN: --implicit-check-not="[#int#]RefOverload(" \
261 // RUN: --implicit-check-not="[#double#]RefOverload("
262 // CHECK-PRVALUE: [#double#]ConstOverload(
263 // CHECK-PRVALUE: [#char#]RefOverload(
264 
265 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:241:31 %s -o - | FileCheck -check-prefix=CHECK-XVALUE %s \
266 // RUN: --implicit-check-not="[#int#]ConstOverload(" \
267 // RUN: --implicit-check-not="[#int#]RefOverload(" \
268 // RUN: --implicit-check-not="[#double#]RefOverload("
269 // CHECK-XVALUE: [#double#]ConstOverload(
270 // CHECK-XVALUE: [#char#]RefOverload(
271 
272 void testOverloadOperator() {
273   struct S {
274     char operator=(int) const;
275     int operator=(int);
276   } s;
277   return s.
278 }
279 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:277:12 %s -o - | FileCheck -check-prefix=CHECK-OPER %s \
280 // RUN: --implicit-check-not="[#char#]operator=("
281 // CHECK-OPER: [#int#]operator=(
282 
283 struct S { int member; };
284 S overloaded(int);
285 S overloaded(double);
286 void foo() {
287   // No overload matches, but we have recovery-expr with the correct type.
288   overloaded().
289 }
290 // RUN: not %clang_cc1 -fsyntax-only -frecovery-ast -frecovery-ast-type -code-completion-at=%s:288:16 %s -o - | FileCheck -check-prefix=CHECK-RECOVERY %s
291 // CHECK-RECOVERY: [#int#]member
292 template <typename T>
293 void fooDependent(T t) {
294   // Overload not resolved, but we notice all candidates return the same type.
295   overloaded(t).
296 }
297 // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:295:17 %s -o - | FileCheck -check-prefix=CHECK-OVERLOAD %s
298 // CHECK-OVERLOAD: [#int#]member
299 
300 struct Base4 {
301   Base4 base4();
302 };
303 
304 template <typename T>
305 struct Derived2 : Base4 {};
306 
307 template <typename T>
308 void testMembersFromBasesInDependentContext() {
309   Derived2<T> X;
310   (void)X.base4().base4();
311   // RUN: %clang_cc1 -fsyntax-only -code-completion-at=%s:310:19 %s -o - | FileCheck -check-prefix=CHECK-MEMBERS-FROM-BASE-DEPENDENT %s
312   // CHECK-MEMBERS-FROM-BASE-DEPENDENT: [#Base4#]base4
313 }
314