[clang] [clang-format] Separate License text and include blocks (PR #77918)

[Björn Schäpers via cfe-commits]

================
@@ -2459,6 +2459,52 @@ struct FormatStyle {
   /// \version 12
   EmptyLineBeforeAccessModifierStyle EmptyLineBeforeAccessModifier;
 
+  /// \brief Number of lines after includes.
+  /// If set, determines the number of lines to insert after includes.
+  /// Limited by MaxEmptyLinesToKeep.
+  /// Example:
+  /// EmptyLinesAfterIncludes = 1
+  /// \code
+  ///    #include <string>
+  ///    #include <map>
+  ///
+  ///    class Test {};
+  ///
+  /// \endcode
+  /// vs EmptyLinesAfterIncludes = 2
+  /// \code
+  ///    #include <string>
+  ///    #include <map>
+  ///
+  ///
+  ///    class Test {};
+  /// \endcode
+  /// \version 1
+  std::optional<unsigned> EmptyLinesAfterIncludes;
+
+  /// \brief Number of empty lines after top level comment.
+  /// If set, determines the number of empty lines to insert/keep after the top
+  /// level comment. Limited by MaxEmptyLinesToKeep.
+  /// Example:
+  /// EmptyLinesAfterTopLevelComment = 1
+  /// \code
+  ///    /* LICENSE TEXT */
+  ///
+  ///    #include <string>
+  ///    class Test {};
+  ///
+  /// \endcode
+  /// vs EmptyLinesAfterTopLevelComment = 2
+  /// \code
+  ///    /* License Text */
+  ///
+  ///
+  ///    #include <string>
+  ///    class Test {};
+  /// \endcode
+  /// \version 1
+  std::optional<unsigned> EmptyLinesAfterTopLevelComment;
----------------
HazardyKnusperkeks wrote:

The name has to be improved.
```c++
// Top level comment in your definition

#include <foo>

// But this is also top level, or not?
```

https://github.com/llvm/llvm-project/pull/77918