llvm-project/clang/test/Index/get-cursor.cpp

// Test is line- and column-sensitive. Run lines are below.

struct X {
  X();
  X(int);
  X(int, int);
  X(const X&);
};

X getX(int value) { 
  switch (value) {
  case 1: return X(value);
  case 2: return X(value, value);
  case 3: return (X)value;
  default: break;
  }
  return X();
}

struct Y {
  int member;

  X getX();
};

X Y::getX() {
  return member;
}

struct YDerived : Y {
  X getAnotherX() { return member; }
};

void test() {
  X foo;

  try {
  } catch (X e) {
    X x;
  }

  struct LocalS {
    void meth() {
      int x;
      ++x;
    }
  };
}

template <bool (*tfn)(X*)>
struct TS {
  void foo();
};

template <bool (*tfn)(X*)>
void TS<tfn>::foo() {}

template <typename T>
class TC {
  void init();
};

template<> void TC<char>::init();

#define EXTERN_TEMPLATE(...) extern template __VA_ARGS__;
EXTERN_TEMPLATE(class TC<char>)

// RUN: c-index-test -cursor-at=%s:6:4 %s | FileCheck -check-prefix=CHECK-COMPLETION-1 %s
// CHECK-COMPLETION-1: CXXConstructor=X:6:3
// CHECK-COMPLETION-1-NEXT: Completion string: {TypedText X}{LeftParen (}{Placeholder int}{Comma , }{Placeholder int}{RightParen )}

// RUN: c-index-test -cursor-at=%s:31:16 %s | FileCheck -check-prefix=CHECK-COMPLETION-2 %s
// CHECK-COMPLETION-2: CXXMethod=getAnotherX:31:5 (Definition)
// CHECK-COMPLETION-2-NEXT: Completion string: {ResultType X}{TypedText getAnotherX}{LeftParen (}{RightParen )}

// RUN: c-index-test -cursor-at=%s:12:20 %s | FileCheck -check-prefix=CHECK-VALUE-REF %s
// RUN: c-index-test -cursor-at=%s:13:21 %s | FileCheck -check-prefix=CHECK-VALUE-REF %s
// RUN: c-index-test -cursor-at=%s:13:28 %s | FileCheck -check-prefix=CHECK-VALUE-REF %s
// RUN: c-index-test -cursor-at=%s:14:23 %s | FileCheck -check-prefix=CHECK-VALUE-REF %s
// CHECK-VALUE-REF: DeclRefExpr=value:10:12

// RUN: c-index-test -cursor-at=%s:12:18 %s | FileCheck -check-prefix=CHECK-CONSTRUCTOR1 %s
// RUN: c-index-test -cursor-at=%s:13:18 %s | FileCheck -check-prefix=CHECK-CONSTRUCTOR2 %s
// RUN: c-index-test -cursor-at=%s:14:19 %s | FileCheck -check-prefix=CHECK-CONSTRUCTOR1 %s
// RUN: c-index-test -cursor-at=%s:17:10 %s | FileCheck -check-prefix=CHECK-CONSTRUCTOR3 %s
// CHECK-TYPE-REF: TypeRef=struct X:3:8
// CHECK-CONSTRUCTOR1: CallExpr=X:5:3
// CHECK-CONSTRUCTOR2: CallExpr=X:6:3
// CHECK-CONSTRUCTOR3: CallExpr=X:4:3

// RUN: c-index-test -cursor-at=%s:23:3 %s | FileCheck -check-prefix=CHECK-RETTYPE %s
// RUN: c-index-test -cursor-at=%s:26:1 %s | FileCheck -check-prefix=CHECK-RETTYPE %s
// CHECK-RETTYPE: TypeRef=struct X:3:8

// RUN: c-index-test -cursor-at=%s:23:7 %s | FileCheck -check-prefix=CHECK-MEMFUNC-DECL %s
// CHECK-MEMFUNC-DECL: CXXMethod=getX:23:5
// RUN: c-index-test -cursor-at=%s:26:7 %s | FileCheck -check-prefix=CHECK-MEMFUNC-DEF %s
// CHECK-MEMFUNC-DEF: CXXMethod=getX:26:6

// RUN: c-index-test -cursor-at=%s:26:3 %s | FileCheck -check-prefix=CHECK-TYPEREF-Y %s
// CHECK-TYPEREF-Y: TypeRef=struct Y:20:8

// RUN: c-index-test -cursor-at=%s:27:10 %s | FileCheck -check-prefix=CHECK-IMPLICIT-MEMREF %s
// RUN: c-index-test -cursor-at=%s:31:28 %s | FileCheck -check-prefix=CHECK-IMPLICIT-MEMREF %s
// CHECK-IMPLICIT-MEMREF: MemberRefExpr=member:21:7

// RUN: c-index-test -cursor-at=%s:35:5 %s | FileCheck -check-prefix=CHECK-DECL %s
// CHECK-DECL: VarDecl=foo:35:5

// RUN: c-index-test -cursor-at=%s:21:3 %s | FileCheck -check-prefix=CHECK-MEMBER %s
// CHECK-MEMBER: FieldDecl=member:21:7 (Definition)
// CHECK-MEMBER-NEXT: Completion string: {ResultType int}{TypedText member}

// RUN: c-index-test -cursor-at=%s:38:12 -cursor-at=%s:39:5 %s | FileCheck -check-prefix=CHECK-CXXCATCH %s
// CHECK-CXXCATCH: TypeRef=struct X:3:8
// CHECK-CXXCATCH-NEXT: TypeRef=struct X:3:8

// RUN: c-index-test -test-load-source-usrs local %s | FileCheck -check-prefix=CHECK-USR %s
// CHECK-USR: get-cursor.cpp c:get-cursor.cpp@472@F@test#@e Extent=[38:12 - 38:15]
// CHECK-USR: get-cursor.cpp c:get-cursor.cpp@483@F@test#@x Extent=[39:5 - 39:8]

// RUN: c-index-test -cursor-at=%s:45:9 %s | FileCheck -check-prefix=CHECK-LOCALCLASS %s
// CHECK-LOCALCLASS: 45:9 DeclRefExpr=x:44:11 Extent=[45:9 - 45:10] Spelling=x ([45:9 - 45:10])

// RUN: c-index-test -cursor-at=%s:50:23 -cursor-at=%s:55:23 %s | FileCheck -check-prefix=CHECK-TEMPLPARAM %s
// CHECK-TEMPLPARAM: 50:23 TypeRef=struct X:3:8 Extent=[50:23 - 50:24] Spelling=struct X ([50:23 - 50:24])
// CHECK-TEMPLPARAM: 55:23 TypeRef=struct X:3:8 Extent=[55:23 - 55:24] Spelling=struct X ([55:23 - 55:24])

// RUN: c-index-test -cursor-at=%s:66:23 %s | FileCheck -check-prefix=CHECK-TEMPLSPEC %s
// CHECK-TEMPLSPEC: 66:23 ClassDecl=TC:66:23 (Definition) [Specialization of TC:59:7] Extent=[66:1 - 66:31] Spelling=TC ([66:23 - 66:25])