1 // RUN: c-index-test core -print-source-symbols -- %s -std=c++14 -target x86_64-apple-macosx10.7 | FileCheck %s
2 // References to declarations in instantiations should be canonicalized:
3 
4 template<typename T>
5 class BaseTemplate {
6 public:
7   T baseTemplateFunction();
8 // CHECK: [[@LINE-1]]:5 | instance-method/C++ | baseTemplateFunction | c:@ST>1#T@BaseTemplate@F@baseTemplateFunction#
9 
10   T baseTemplateField;
11 // CHECK: [[@LINE-1]]:5 | field/C++ | baseTemplateField | c:@ST>1#T@BaseTemplate@FI@baseTemplateField
12 
13   struct NestedBaseType { };
14 // CHECK: [[@LINE-1]]:10 | struct/C | NestedBaseType | c:@ST>1#T@BaseTemplate@S@NestedBaseType |
15 };
16 
17 template<typename T, typename S>
18 class TemplateClass: public BaseTemplate<T> {
19 public:
function()20   T function() { return T(); }
21 // CHECK: [[@LINE-1]]:5 | instance-method/C++ | function | c:@ST>2#T#T@TemplateClass@F@function#
22 
staticFunction()23   static void staticFunction() { }
24 // CHECK: [[@LINE-1]]:15 | static-method/C++ | staticFunction | c:@ST>2#T#T@TemplateClass@F@staticFunction#S
25 
26   T field;
27 // CHECK: [[@LINE-1]]:5 | field/C++ | field | c:@ST>2#T#T@TemplateClass@FI@field
28 
29   struct NestedType {
30 // CHECK: [[@LINE-1]]:10 | struct/C++ | NestedType | c:@ST>2#T#T@TemplateClass@S@NestedType |
31 
32     T nestedField;
33 // CHECK: [[@LINE-1]]:7 | field/C++ | nestedField | c:@ST>2#T#T@TemplateClass@S@NestedType@FI@nestedField |
34 
35     class SubNestedType {
36 // CHECK: [[@LINE-1]]:11 | class/C++ | SubNestedType | c:@ST>2#T#T@TemplateClass@S@NestedType@S@SubNestedType |
37     public:
38       SubNestedType(int);
39     };
40     using TypeAlias = T;
41 // CHECK: [[@LINE-1]]:11 | type-alias/C++ | TypeAlias | c:@ST>2#T#T@TemplateClass@S@NestedType@TypeAlias |
42 
43     typedef int Typedef;
44 // CHECK: [[@LINE-1]]:17 | type-alias/C | Typedef | c:{{.*}}index-instantiated-source.cpp@ST>2#T#T@TemplateClass@S@NestedType@T@Typedef |
45 
46     enum Enum {
47 // CHECK: [[@LINE-1]]:10 | enum/C | Enum | c:@ST>2#T#T@TemplateClass@S@NestedType@E@Enum |
48       EnumCase
49 // CHECK: [[@LINE-1]]:7 | enumerator/C | EnumCase | c:@ST>2#T#T@TemplateClass@S@NestedType@E@Enum@EnumCase |
50     };
51   };
52 };
53 
canonicalizeInstaniationReferences(TemplateClass<int,float> & object)54 void canonicalizeInstaniationReferences(TemplateClass<int, float> &object) {
55   (void)object.function();
56 // CHECK: [[@LINE-1]]:16 | instance-method/C++ | function | c:@ST>2#T#T@TemplateClass@F@function# | <no-cgname>
57   (void)object.field;
58 // CHECK: [[@LINE-1]]:16 | field/C++ | field | c:@ST>2#T#T@TemplateClass@FI@field | <no-cgname> | Ref,RelCont | rel: 1
59   (void)object.baseTemplateFunction();
60 // CHECK: [[@LINE-1]]:16 | instance-method/C++ | baseTemplateFunction | c:@ST>1#T@BaseTemplate@F@baseTemplateFunction# | <no-cgname>
61   (void)object.baseTemplateField;
62 // CHECK: [[@LINE-1]]:16 | field/C++ | baseTemplateField | c:@ST>1#T@BaseTemplate@FI@baseTemplateField | <no-cgname> | Ref,RelCont | rel: 1
63 
64   TemplateClass<int, float>::staticFunction();
65 // CHECK: [[@LINE-1]]:30 | static-method/C++ | staticFunction | c:@ST>2#T#T@TemplateClass@F@staticFunction#S | <no-cgname
66 
67   TemplateClass<int, float>::NestedBaseType nestedBaseType;
68 // CHECK: [[@LINE-1]]:30 | struct/C | NestedBaseType | c:@ST>1#T@BaseTemplate@S@NestedBaseType |
69   TemplateClass<int, float>::NestedType nestedSubType;
70 // CHECK: [[@LINE-1]]:30 | struct/C++ | NestedType | c:@ST>2#T#T@TemplateClass@S@NestedType |
71   (void)nestedSubType.nestedField;
72 // CHECK: [[@LINE-1]]:23 | field/C++ | nestedField | c:@ST>2#T#T@TemplateClass@S@NestedType@FI@nestedField |
73 
74   typedef TemplateClass<int, float> TT;
75   TT::NestedType::SubNestedType subNestedType(0);
76 // CHECK: [[@LINE-1]]:7 | struct/C++ | NestedType | c:@ST>2#T#T@TemplateClass@S@NestedType |
77 // CHECK: [[@LINE-2]]:19 | class/C++ | SubNestedType | c:@ST>2#T#T@TemplateClass@S@NestedType@S@SubNestedType |
78 
79   TT::NestedType::TypeAlias nestedTypeAlias;
80 // CHECK: [[@LINE-1]]:19 | type-alias/C++ | TypeAlias | c:@ST>2#T#T@TemplateClass@S@NestedType@TypeAlias |
81   TT::NestedType::Typedef nestedTypedef;
82 // CHECK: [[@LINE-1]]:19 | type-alias/C | Typedef | c:{{.*}}index-instantiated-source.cpp@ST>2#T#T@TemplateClass@S@NestedType@T@Typedef |
83 
84   TT::NestedType::Enum nestedEnum;
85 // CHECK: [[@LINE-1]]:19 | enum/C | Enum | c:@ST>2#T#T@TemplateClass@S@NestedType@E@Enum |
86   (void)TT::NestedType::Enum::EnumCase;
87 // CHECK: [[@LINE-1]]:31 | enumerator/C | EnumCase | c:@ST>2#T#T@TemplateClass@S@NestedType@E@Enum@EnumCase |
88 }
89 
90 namespace index_specialization {
91 template <typename T>
92 class Foo {};
93 
94 // if there are no explicit template specializations provided, report the
95 // primary templates.
96 Foo<int> *t1; // incomplete instantiation.
97 // CHECK: [[@LINE-1]]:1 | class(Gen)/C++ | Foo | c:@N@index_specialization@ST>1#T@Foo | <no-cgname> | Ref,RelCont | rel: 1
98 
99 Foo<double> t2;
100 // CHECK: [[@LINE-1]]:1 | class(Gen)/C++ | Foo | c:@N@index_specialization@ST>1#T@Foo | <no-cgname> | Ref,RelCont | rel: 1
101 
102 // explicit instantiations.
103 template class Foo<float>;
104 Foo<float> t3;
105 // CHECK: [[@LINE-1]]:1 | class(Gen)/C++ | Foo | c:@N@index_specialization@ST>1#T@Foo | <no-cgname> | Ref,RelCont | rel: 1
106 
107 
108 template <typename T>
109 class Bar {};
110 
111 // explicit template specialization definition!
112 template <>class Bar<int> {};
113 // report the explicit template specialization if it exists.
114 Bar<int> *b1;
115 // CHECK: [[@LINE-1]]:1 | class(Gen,TS)/C++ | Bar | c:@N@index_specialization@S@Bar>#I | <no-cgname> | Ref,RelCont | rel: 1
116 
117 // explicit template declaration, not a definition!
118 template <> class Bar <float>;
119 Bar<float> *b2;
120 // CHECK: [[@LINE-1]]:1 | class(Gen,TS)/C++ | Bar | c:@N@index_specialization@S@Bar>#f | <no-cgname> | Ref,RelCont | rel: 1
121 
122 } // namespace index_specialization
123