[clang] [clang-format] Add option AllowShortRecordOnASingleLine (PR #154580)

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=?utf-8?q?Tomáš?= Slanina <itzexpoexpo at gmail.com>,
=?utf-8?q?Tomáš?= Slanina <itzexpoexpo at gmail.com>,
=?utf-8?q?Tomáš?= Slanina <itzexpoexpo at gmail.com>,
=?utf-8?q?Tomáš?= Slanina <itzexpoexpo at gmail.com>,
=?utf-8?q?Tomáš?= Slanina <itzexpoexpo at gmail.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/154580 at github.com>


================
@@ -992,6 +992,33 @@ struct FormatStyle {
   /// \version 20
   bool AllowShortNamespacesOnASingleLine;
 
+  /// Different styles for merging short records (``class``,``struct``, and
+  /// ``union``).
+  enum ShortRecordStyle : int8_t {
+    /// Never merge records into a single line.
+    SRS_Never,
+    /// Only merge empty records.
+    /// \code
+    ///   struct foo {};
+    ///   struct bar
+    ///   {
+    ///     int i;
+    ///   };
+    /// \endcode
+    SRS_Empty,
+    /// Merge all records that fit on a single line.
+    /// \code
+    ///   struct foo {};
+    ///   struct bar { int i; };
+    /// \endcode
+    SRS_Always
+  };
+
+  /// Dependent on the value, ``struct bar { int i; }`` can be put on a single
----------------
owenca wrote:

```suggestion
  /// Dependent on the value, ``struct bar { int i; };`` can be put on a single
```
as requested before.

https://github.com/llvm/llvm-project/pull/154580