[clang-tools-extra] [clangd] Support symbolTags for document symbol (PR #113669)

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<!--LLVM CODE FORMAT COMMENT: {clang-format}-->


:warning: C/C++ code formatter, clang-format found issues in your code. :warning:

<details>
<summary>
You can test this locally with the following command:
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``````````bash
git-clang-format --diff 2e43a304f10fd801f068d0f9831f01f2c5b0b2e2 5b77f732f6de70bc7b5eaee459ef600843cf5f63 --extensions cpp,h -- clang-tools-extra/clangd/AST.cpp clang-tools-extra/clangd/AST.h clang-tools-extra/clangd/FindSymbols.cpp clang-tools-extra/clangd/Protocol.cpp clang-tools-extra/clangd/Protocol.h clang-tools-extra/clangd/SemanticHighlighting.cpp
``````````

</details>

<details>
<summary>
View the diff from clang-format here.
</summary>

``````````diff
diff --git a/clang-tools-extra/clangd/FindSymbols.cpp b/clang-tools-extra/clangd/FindSymbols.cpp
index 3a782506d3..b7e3df73f9 100644
--- a/clang-tools-extra/clangd/FindSymbols.cpp
+++ b/clang-tools-extra/clangd/FindSymbols.cpp
@@ -187,34 +187,33 @@ std::string getSymbolName(ASTContext &Ctx, const NamedDecl &ND) {
   return printName(Ctx, ND);
 }
 
-std::vector<SymbolTag> getSymbolTags(const NamedDecl &ND)
-{
+std::vector<SymbolTag> getSymbolTags(const NamedDecl &ND) {
   std::vector<SymbolTag> Tags;
-  if (ND.isDeprecated()) 
+  if (ND.isDeprecated())
     Tags.push_back(SymbolTag::Deprecated);
-  if (isConst(&ND)) 
-      Tags.push_back(SymbolTag::Constant);
-  if (isStatic(&ND)) 
-      Tags.push_back(SymbolTag::Static);
+  if (isConst(&ND))
+    Tags.push_back(SymbolTag::Constant);
+  if (isStatic(&ND))
+    Tags.push_back(SymbolTag::Static);
   if (isVirtual(&ND))
-      Tags.push_back(SymbolTag::Virtual);
-  
+    Tags.push_back(SymbolTag::Virtual);
+
   if (const FieldDecl *FD = dyn_cast<FieldDecl>(&ND)) {
     switch (FD->getAccess()) {
-      case AS_public:
-        Tags.push_back(SymbolTag::Public);
-        break;
-      case AS_protected:
-        Tags.push_back(SymbolTag::Protected);
-        break;
-      case AS_private:
-        Tags.push_back(SymbolTag::Private);
-        break;
-      default:
-        break;
+    case AS_public:
+      Tags.push_back(SymbolTag::Public);
+      break;
+    case AS_protected:
+      Tags.push_back(SymbolTag::Protected);
+      break;
+    case AS_private:
+      Tags.push_back(SymbolTag::Private);
+      break;
+    default:
+      break;
     }
-  } 
-  
+  }
+
   return Tags;
 }
 
diff --git a/clang-tools-extra/clangd/Protocol.h b/clang-tools-extra/clangd/Protocol.h
index 48d8c81d4a..33af2f47fd 100644
--- a/clang-tools-extra/clangd/Protocol.h
+++ b/clang-tools-extra/clangd/Protocol.h
@@ -1090,13 +1090,13 @@ struct CodeAction {
 };
 llvm::json::Value toJSON(const CodeAction &);
 
-enum class SymbolTag { 
-  Deprecated = 1 ,
+enum class SymbolTag {
+  Deprecated = 1,
   Private = 2,
   Package = 3,
   Protected = 4,
   Public = 5,
-  Internal= 6,
+  Internal = 6,
   File = 7,
   Static = 8,
   Abstract = 9,
@@ -1585,7 +1585,6 @@ struct ResolveTypeHierarchyItemParams {
 bool fromJSON(const llvm::json::Value &, ResolveTypeHierarchyItemParams &,
               llvm::json::Path);
 
-
 /// The parameter of a `textDocument/prepareCallHierarchy` request.
 struct CallHierarchyPrepareParams : public TextDocumentPositionParams {};
 

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https://github.com/llvm/llvm-project/pull/113669