[clang] [clang-format] Add new option: WrapNamespaceBodyWithNewlines (PR #106145)

[via cfe-commits]

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@@ -5057,6 +5057,43 @@ struct FormatStyle {
   /// \version 11
   std::vector<std::string> WhitespaceSensitiveMacros;
 
+  /// Different styles for modify number of empty lines in
+  /// the beginning and at the of end of namespaces.
+  enum WrapNamespaceBodyWithEmptyLinesStyle : int8_t {
+    /// Removes all empty lines at the beginning and at the end of
+    /// namespace definition.
+    /// \code
+    ///   namespace N1 {
+    ///   namespace N2
+    ///     function();
+    ///   }
+    ///   }
+    /// \endcode
+    WNBWELS_Never,
+    /// Always adds an empty line at the beginning and at the end of
+    /// namespace definition. MaxEmptyLinesToKeep is also applied, but
+    /// empty lines between consecutive namespace declarations are
+    /// always removed.
+    /// \code
+    ///   namespace N1 {
+    ///   namespace N2 {
+    ///
+    ///     function();
+    ///
+    ///   }
+    ///   }
+    /// \endcode
+    WNBWELS_Always,
+    /// Keeps existing newlines at the beginning and at the end of
+    /// namespace definition using MaxEmptyLinesToKeep for formatting.
+    WNBWELS_Leave
+  };
+
+  /// Controls number of empty lines at the begging and at the end of
+  /// namespace definition.
+  /// \version 19
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mydeveloperday wrote:

20

https://github.com/llvm/llvm-project/pull/106145