[CodeComplete] Tweak code completion for `typename`.

Summary:
Currently, clangd always completes `typename` as `typename qualifier::name`, I think the current behavior is not useful when the code completion is triggered in `template <>`. So I tweak it to `typename identifier`.

Patch by @lh123 !

Reviewers: sammccall, kadircet

Reviewed By: kadircet

Subscribers: ilya-biryukov, usaxena95, cfe-commits

Tags: #clang

Differential Revision: https://reviews.llvm.org/D82373

3 files changed, 11 insertions, 13 deletions

diff --git a/clang/lib/Sema/SemaCodeComplete.cpp b/clang/lib/Sema/SemaCodeComplete.cpp
index 913c438..8835ecc 100644
--- a/clang/lib/Sema/SemaCodeComplete.cpp
+++ b/clang/lib/Sema/SemaCodeComplete.cpp
@@ -1687,11 +1687,9 @@ static void AddTypeSpecifierResults(const LangOptions &LangOpts,
     Results.AddResult(Result("class", CCP_Type));
     Results.AddResult(Result("wchar_t", CCP_Type));
 
-    // typename qualified-id
+    // typename name
     Builder.AddTypedTextChunk("typename");
     Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace);
-    Builder.AddPlaceholderChunk("qualifier");
-    Builder.AddTextChunk("::");
     Builder.AddPlaceholderChunk("name");
     Results.AddResult(Result(Builder.TakeString()));
 
diff --git a/clang/test/CodeCompletion/ordinary-name-cxx11.cpp b/clang/test/CodeCompletion/ordinary-name-cxx11.cpp
index e568ee1..dcbb5ec 100644
--- a/clang/test/CodeCompletion/ordinary-name-cxx11.cpp
+++ b/clang/test/CodeCompletion/ordinary-name-cxx11.cpp
@@ -57,7 +57,7 @@ void foo() {
   // CHECK-CC1: COMPLETION: TYPEDEF : TYPEDEF
   // CHECK-CC1-NEXT: COMPLETION: Pattern : typedef <#type#> <#name#>;
   // CHECK-CC1-NEXT: COMPLETION: Pattern : [#std::type_info#]typeid(<#expression-or-type#>)
-  // CHECK-CC1-NEXT: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-CC1-NEXT: COMPLETION: Pattern : typename <#name#>
   // CHECK-CC1-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-CC1-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-CC1-NEXT: COMPLETION: union
@@ -107,7 +107,7 @@ void foo() {
   // CHECK-CC2-NEXT: COMPLETION: thread_local
   // CHECK-CC2-NEXT: COMPLETION: TYPEDEF : TYPEDEF
   // CHECK-CC2-NEXT: COMPLETION: Pattern : typedef <#type#> <#name#>;
-  // CHECK-CC2-NEXT: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-CC2-NEXT: COMPLETION: Pattern : typename <#name#>
   // CHECK-CC2-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-CC2-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-CC2-NEXT: COMPLETION: union
@@ -150,7 +150,7 @@ void foo() {
   // CHECK-CC3-NEXT: COMPLETION: Pattern : template<<#parameters#>>
   // CHECK-CC3-NEXT: COMPLETION: thread_local
   // CHECK-CC3-NEXT: COMPLETION: Pattern : typedef <#type#> <#name#>;
-  // CHECK-CC3-NEXT: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-CC3-NEXT: COMPLETION: Pattern : typename <#name#>
   // CHECK-CC3-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-CC3-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-CC3-NEXT: COMPLETION: union
@@ -198,7 +198,7 @@ void foo() {
   // CHECK-CC4-NEXT: COMPLETION: Pattern : [#bool#]true
   // CHECK-CC4-NEXT: COMPLETION: TYPEDEF : TYPEDEF
   // CHECK-CC4-NEXT: COMPLETION: Pattern : [#std::type_info#]typeid(<#expression-or-type#>)
-  // CHECK-CC4-NEXT: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-CC4-NEXT: COMPLETION: Pattern : typename <#name#>
   // CHECK-CC4-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-CC4-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-CC4-NEXT: COMPLETION: union
@@ -259,7 +259,7 @@ void foo() {
   // CHECK-NO-RTTI: COMPLETION: TYPEDEF : TYPEDEF
   // CHECK-NO-RTTI-NEXT: COMPLETION: Pattern : typedef <#type#> <#name#>;
   // CHECK-NO-RTTI-NOT: typeid
-  // CHECK-NO-RTTI: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-NO-RTTI: COMPLETION: Pattern : typename <#name#>
   // CHECK-NO-RTTI-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-NO-RTTI-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-NO-RTTI-NEXT: COMPLETION: union
diff --git a/clang/test/CodeCompletion/ordinary-name.cpp b/clang/test/CodeCompletion/ordinary-name.cpp
index 3f891307..a87c992 100644
--- a/clang/test/CodeCompletion/ordinary-name.cpp
+++ b/clang/test/CodeCompletion/ordinary-name.cpp
@@ -54,7 +54,7 @@ void foo() {
   // CHECK-CC1: COMPLETION: TYPEDEF : TYPEDEF
   // CHECK-CC1-NEXT: COMPLETION: Pattern : typedef <#type#> <#name#>;
   // CHECK-CC1-NEXT: COMPLETION: Pattern : [#std::type_info#]typeid(<#expression-or-type#>)
-  // CHECK-CC1-NEXT: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-CC1-NEXT: COMPLETION: Pattern : typename <#name#>
   // CHECK-CC1-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-CC1-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-CC1-NEXT: COMPLETION: union
@@ -97,7 +97,7 @@ void foo() {
   // CHECK-CC2-NEXT: COMPLETION: Pattern : template<<#parameters#>>
   // CHECK-CC2-NEXT: COMPLETION: TYPEDEF : TYPEDEF
   // CHECK-CC2-NEXT: COMPLETION: Pattern : typedef <#type#> <#name#>;
-  // CHECK-CC2-NEXT: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-CC2-NEXT: COMPLETION: Pattern : typename <#name#>
   // CHECK-CC2-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-CC2-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-CC2-NEXT: COMPLETION: union
@@ -134,7 +134,7 @@ void foo() {
   // CHECK-CC3-NEXT: COMPLETION: struct
   // CHECK-CC3-NEXT: COMPLETION: Pattern : template<<#parameters#>>
   // CHECK-CC3-NEXT: COMPLETION: Pattern : typedef <#type#> <#name#>;
-  // CHECK-CC3-NEXT: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-CC3-NEXT: COMPLETION: Pattern : typename <#name#>
   // CHECK-CC3-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-CC3-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-CC3-NEXT: COMPLETION: union
@@ -176,7 +176,7 @@ void foo() {
   // CHECK-CC4-NEXT: COMPLETION: Pattern : [#bool#]true
   // CHECK-CC4-NEXT: COMPLETION: TYPEDEF : TYPEDEF
   // CHECK-CC4-NEXT: COMPLETION: Pattern : [#std::type_info#]typeid(<#expression-or-type#>)
-  // CHECK-CC4-NEXT: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-CC4-NEXT: COMPLETION: Pattern : typename <#name#>
   // CHECK-CC4-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-CC4-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-CC4-NEXT: COMPLETION: union
@@ -227,7 +227,7 @@ void foo() {
   // CHECK-NO-RTTI: COMPLETION: TYPEDEF : TYPEDEF
   // CHECK-NO-RTTI-NEXT: COMPLETION: Pattern : typedef <#type#> <#name#>;
   // CHECK-NO-RTTI-NOT: typeid
-  // CHECK-NO-RTTI: COMPLETION: Pattern : typename <#qualifier#>::<#name#>
+  // CHECK-NO-RTTI: COMPLETION: Pattern : typename <#name#>
   // CHECK-NO-RTTI-NEXT: COMPLETION: Pattern : typeof <#expression#>
   // CHECK-NO-RTTI-NEXT: COMPLETION: Pattern : typeof(<#type#>)
   // CHECK-NO-RTTI-NEXT: COMPLETION: union