Introduce a new libclang aPI function,
clang_codeCompleteGetContexts(), that provides the client with
information about the context in which code completion has occurred
and what kinds of entities make sense as completions at that
point. Patch by Connor Wakamo!


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@134615 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Index/code-completion.cpp b/test/Index/code-completion.cpp
index 62b9e4d..f75d61f 100644
--- a/test/Index/code-completion.cpp
+++ b/test/Index/code-completion.cpp
@@ -52,10 +52,21 @@
 // CHECK-MEMBER: CXXDestructor:{ResultType void}{Informative X::}{TypedText ~X}{LeftParen (}{RightParen )}
 // CHECK-MEMBER: CXXDestructor:{ResultType void}{Informative Y::}{TypedText ~Y}{LeftParen (}{RightParen )}
 // CHECK-MEMBER: CXXDestructor:{ResultType void}{TypedText ~Z}{LeftParen (}{RightParen )}
+// CHECK-MEMBER: Completion contexts:
+// CHECK-MEMBER-NEXT: Dot member access
 
 // CHECK-OVERLOAD: NotImplemented:{ResultType int &}{Text overloaded}{LeftParen (}{Text Z z}{Comma , }{CurrentParameter int second}{RightParen )}
 // CHECK-OVERLOAD: NotImplemented:{ResultType float &}{Text overloaded}{LeftParen (}{Text int i}{Comma , }{CurrentParameter long second}{RightParen )}
 // CHECK-OVERLOAD: NotImplemented:{ResultType double &}{Text overloaded}{LeftParen (}{Text float f}{Comma , }{CurrentParameter int second}{RightParen )}
+// CHECK-OVERLOAD: Completion contexts:
+// CHECK-OVERLOAD-NEXT: Any type
+// CHECK-OVERLOAD-NEXT: Any value
+// CHECK-OVERLOAD-NEXT: Enum tag
+// CHECK-OVERLOAD-NEXT: Union tag
+// CHECK-OVERLOAD-NEXT: Struct tag
+// CHECK-OVERLOAD-NEXT: Class name
+// CHECK-OVERLOAD-NEXT: Nested name specifier
+// CHECK-OVERLOAD-NEXT: Objective-C interface
 
 // RUN: c-index-test -code-completion-at=%s:37:10 %s | FileCheck -check-prefix=CHECK-EXPR %s
 // CHECK-EXPR: NotImplemented:{TypedText int} (50)
@@ -65,3 +76,12 @@
 // CHECK-EXPR: FieldDecl:{ResultType float}{Text Y::}{TypedText member} (18)
 // CHECK-EXPR: CXXMethod:{ResultType void}{TypedText memfunc}{LeftParen (}{Optional {Placeholder int i}}{RightParen )} (37)
 // CHECK-EXPR: Namespace:{TypedText N}{Text ::} (75)
+// CHECK-EXPR: Completion contexts:
+// CHECK-EXPR-NEXT: Any type
+// CHECK-EXPR-NEXT: Any value
+// CHECK-EXPR-NEXT: Enum tag
+// CHECK-EXPR-NEXT: Union tag
+// CHECK-EXPR-NEXT: Struct tag
+// CHECK-EXPR-NEXT: Class name
+// CHECK-EXPR-NEXT: Nested name specifier
+// CHECK-EXPR-NEXT: Objective-C interface