Clang: Don't show template type parameters in Class View and Current Document filter

They do not bring any value.

Task-number: QTCREATORBUG-20716
Change-Id: I2876f0e1e3918cb33d133b4a65ccaefd9bd30ac8
Reviewed-by: David Schulz <david.schulz@qt.io>

src/libs/clangsupport/clangsupport_global.h

@@ -104,7 +104,9 @@ enum class HighlightingType : quint8
     ObjectiveCInterface,
     ObjectiveCImplementation,
     ObjectiveCProperty,
-    ObjectiveCMethod
+    ObjectiveCMethod,
+    TemplateTypeParameter,
+    TemplateTemplateParameter
 };
 
 enum class StorageClass : quint8

src/libs/clangsupport/tokeninfocontainer.cpp

@@ -70,6 +70,8 @@ static const char *highlightingTypeToCStringLiteral(HighlightingType type)
         RETURN_TEXT_FOR_CASE(ObjectiveCMethod);
         RETURN_TEXT_FOR_CASE(PrimitiveType);
         RETURN_TEXT_FOR_CASE(Declaration);
+        RETURN_TEXT_FOR_CASE(TemplateTypeParameter);
+        RETURN_TEXT_FOR_CASE(TemplateTemplateParameter);
         default: return "UnhandledHighlightingType";
     }
 }

src/libs/clangsupport/tokeninfocontainer.h

@@ -129,6 +129,13 @@ public:
 
     bool isGlobalDeclaration() const
     {
+        if (types.mixinHighlightingTypes.contains(
+                    ClangBackEnd::HighlightingType::TemplateTypeParameter)
+                || types.mixinHighlightingTypes.contains(
+                    ClangBackEnd::HighlightingType::TemplateTemplateParameter)) {
+            return false;
+        }
+
         return extraInfo.declaration
                 && types.mainHighlightingType != HighlightingType::LocalVariable
                 && ((types.mainHighlightingType == HighlightingType::Operator)

src/plugins/clangcodemodel/clanghighlightingresultreporter.cpp

@@ -108,6 +108,8 @@ bool ignore(ClangBackEnd::HighlightingType type)
     case HighlightingType::ObjectiveCImplementation:
     case HighlightingType::ObjectiveCProperty:
     case HighlightingType::ObjectiveCMethod:
+    case HighlightingType::TemplateTypeParameter:
+    case HighlightingType::TemplateTemplateParameter:
         return true;
     }
 

src/tools/clangbackend/source/tokeninfo.cpp

@@ -341,9 +341,13 @@ void TokenInfo::typeKind(const Cursor &cursor)
         case CXCursor_ObjCCategoryImplDecl:
             m_types.mixinHighlightingTypes.push_back(HighlightingType::ObjectiveCCategory);
             return;
-        case CXCursor_ObjCSuperClassRef:
         case CXCursor_TemplateTypeParameter:
+            m_types.mixinHighlightingTypes.push_back(HighlightingType::TemplateTypeParameter);
+            return;
         case CXCursor_TemplateTemplateParameter:
+            m_types.mixinHighlightingTypes.push_back(HighlightingType::TemplateTemplateParameter);
+            return;
+        case CXCursor_ObjCSuperClassRef:
         case CXCursor_CXXStaticCastExpr:
         case CXCursor_CXXReinterpretCastExpr:
             break;