[clang-tools-extra] [clangd][HLSL] Prevent RootSignature internal identifier leak on hover (PR #214955)

[Aleksandr Platonov via cfe-commits]

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@@ -1013,6 +1013,15 @@ std::optional<HoverInfo> getHoverContents(const SelectionTree::Node *N,
 // Generates hover info for attributes.
 std::optional<HoverInfo> getHoverContents(const Attr *A, ParsedAST &AST) {
   HoverInfo HI;
+
+  if (AST.getLangOpts().HLSL && llvm::isa<RootSignatureAttr>(A)) {
+    // We do not use pretty print here because it would expose the internal
+    // string/macro representation instead of the original source attribute.
+    HI.Name = "RootSignature";
+    HI.Documentation = Attr::getDocumentation(A->getKind()).str();
+    return HI;
+  }
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ArcsinX wrote:

And remove everything here

https://github.com/llvm/llvm-project/pull/214955