clang/test/Index/code-completion.cpp

   1 // Code-completion through the C interface
   2 #include "nonexistent_header.h"
   3 struct X {
   4   int member;
   5
   6   enum E { Val1 };
   7 };
   8
   9 struct Y {
  10   float member;
  11   void memfunc(int i = 17);
  12 };
  13
  14 struct Z : X, Y {
  15   double member;
  16   operator int() const;
  17 };
  18 struct W { };
  19 struct Z get_Z();
  20 namespace N { }
  21 void test_Z() {
  22   // RUN: c-index-test -code-completion-at=%s:23:11 %s | FileCheck -check-prefix=CHECK-MEMBER %s
  23   get_Z().member = 17;
  24 }
  25
  26
  27 float& overloaded(int i, long second);
  28 double& overloaded(float f, int second);
  29 int& overloaded(Z z, int second);
  30
  31 void test_overloaded() {
  32   // RUN: c-index-test -code-completion-at=%s:33:18 %s | FileCheck -check-prefix=CHECK-OVERLOAD %s
  33   overloaded(Z(), 0);
  34 }
  35
  36 Z::operator int() const {
  37   return 0;
  38 }
  39
  40 template <typename T>
  41 struct Foo { T member; };
  42
  43 template<typename T> using Bar = Foo<T>;
  44
  45 void test_template_alias() {
  46   // RUN: env CINDEXTEST_COMPLETION_CACHING=1 c-index-test -code-completion-at=%s:47:1 %s | FileCheck -check-prefix=CHECK-TEMPLATE-ALIAS %s
  47
  48 }
  49
  50 // CHECK-MEMBER: FieldDecl:{ResultType double}{TypedText member}
  51 // CHECK-MEMBER: FieldDecl:{ResultType int}{Text X::}{TypedText member}
  52 // CHECK-MEMBER: FieldDecl:{ResultType float}{Text Y::}{TypedText member}
  53 // CHECK-MEMBER: CXXMethod:{ResultType void}{Informative Y::}{TypedText memfunc}{LeftParen (}{Optional {Placeholder int i = 17}}{RightParen )}
  54 // CHECK-MEMBER: CXXConversion:{TypedText operator int}{LeftParen (}{RightParen )}{Informative  const}
  55 // CHECK-MEMBER: CXXMethod:{ResultType Z &}{TypedText operator=}{LeftParen (}{Placeholder const Z &}{RightParen )}
  56 // CHECK-MEMBER: CXXMethod:{ResultType X &}{Text X::}{TypedText operator=}{LeftParen (}{Placeholder const X &}{RightParen )}
  57 // CHECK-MEMBER: CXXMethod:{ResultType Y &}{Text Y::}{TypedText operator=}{LeftParen (}{Placeholder const Y &}{RightParen )}
  58 // CHECK-MEMBER: EnumConstantDecl:{ResultType X::E}{Informative E::}{TypedText Val1}
  59 // CHECK-MEMBER: StructDecl:{TypedText X}{Text ::}
  60 // CHECK-MEMBER: StructDecl:{TypedText Y}{Text ::}
  61 // CHECK-MEMBER: StructDecl:{TypedText Z}{Text ::}
  62 // CHECK-MEMBER: CXXDestructor:{ResultType void}{Informative X::}{TypedText ~X}{LeftParen (}{RightParen )}
  63 // CHECK-MEMBER: CXXDestructor:{ResultType void}{Informative Y::}{TypedText ~Y}{LeftParen (}{RightParen )}
  64 // CHECK-MEMBER: CXXDestructor:{ResultType void}{TypedText ~Z}{LeftParen (}{RightParen )}
  65 // CHECK-MEMBER: Completion contexts:
  66 // CHECK-MEMBER-NEXT: Dot member access
  67 // CHECK-MEMBER-NEXT: Container Kind: StructDecl
  68 // CHECK-MEMBER-NEXT: Container is complete
  69 // CHECK-MEMBER-NEXT: Container USR: c:@S@Z
  70
  71 // CHECK-OVERLOAD: OverloadCandidate:{ResultType int &}{Text overloaded}{LeftParen (}{Placeholder Z z}{Comma , }{CurrentParameter int second}{RightParen )}
  72 // CHECK-OVERLOAD: OverloadCandidate:{ResultType float &}{Text overloaded}{LeftParen (}{Placeholder int i}{Comma , }{CurrentParameter long second}{RightParen )}
  73 // CHECK-OVERLOAD: OverloadCandidate:{ResultType double &}{Text overloaded}{LeftParen (}{Placeholder float f}{Comma , }{CurrentParameter int second}{RightParen )}
  74 // CHECK-OVERLOAD: Completion contexts:
  75 // CHECK-OVERLOAD-NEXT: Any type
  76 // CHECK-OVERLOAD-NEXT: Any value
  77 // CHECK-OVERLOAD-NEXT: Enum tag
  78 // CHECK-OVERLOAD-NEXT: Union tag
  79 // CHECK-OVERLOAD-NEXT: Struct tag
  80 // CHECK-OVERLOAD-NEXT: Class name
  81 // CHECK-OVERLOAD-NEXT: Nested name specifier
  82 // CHECK-OVERLOAD-NEXT: Objective-C interface
  83
  84 // RUN: c-index-test -code-completion-at=%s:37:10 %s | FileCheck -check-prefix=CHECK-EXPR %s
  85 // CHECK-EXPR: NotImplemented:{TypedText int} (50)
  86 // CHECK-EXPR: NotImplemented:{TypedText long} (50)
  87 // CHECK-EXPR: FieldDecl:{ResultType double}{TypedText member} (17)
  88 // CHECK-EXPR: FieldDecl:{ResultType int}{Text X::}{TypedText member} (9)
  89 // CHECK-EXPR: FieldDecl:{ResultType float}{Text Y::}{TypedText member} (18)
  90 // CHECK-EXPR: CXXMethod:{ResultType void}{TypedText memfunc}{LeftParen (}{Optional {Placeholder int i = 17}}{RightParen )} (37)
  91 // CHECK-EXPR: Namespace:{TypedText N}{Text ::} (75)
  92 // CHECK-EXPR: Completion contexts:
  93 // CHECK-EXPR-NEXT: Any type
  94 // CHECK-EXPR-NEXT: Any value
  95 // CHECK-EXPR-NEXT: Enum tag
  96 // CHECK-EXPR-NEXT: Union tag
  97 // CHECK-EXPR-NEXT: Struct tag
  98 // CHECK-EXPR-NEXT: Class name
  99 // CHECK-EXPR-NEXT: Nested name specifier
 100 // CHECK-EXPR-NEXT: Objective-C interface
 101
 102 // CHECK-TEMPLATE-ALIAS: AliasTemplateDecl:{TypedText Bar}{LeftAngle <}{Placeholder typename T}{RightAngle >} (50)