[clang] [llvm] [clang-format]: Add `Custom` to `ShortFunctionStyle`; add new AllowShortFunctionsOnASingleLineOptions for granular setup (PR #134337)

[Owen Pan via cfe-commits]

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@@ -619,20 +619,39 @@ TEST(ConfigParseTest, ParsesConfiguration) {
   CHECK_PARSE("AllowShortBlocksOnASingleLine: true",
               AllowShortBlocksOnASingleLine, FormatStyle::SBS_Always);
 
-  Style.AllowShortFunctionsOnASingleLine = FormatStyle::SFS_Inline;
   CHECK_PARSE("AllowShortFunctionsOnASingleLine: None",
-              AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
+              AllowShortFunctionsOnASingleLine,
+              FormatStyle::ShortFunctionStyle({}));
   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Inline",
-              AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Inline);
+              AllowShortFunctionsOnASingleLine,
+              FormatStyle::ShortFunctionStyle({/*Empty=*/true,
+                                               /*Inline=*/true,
+                                               /*Other=*/false}));
   CHECK_PARSE("AllowShortFunctionsOnASingleLine: Empty",
-              AllowShortFunctionsOnASingleLine, FormatStyle::SFS_Empty);
+              AllowShortFunctionsOnASingleLine,
+              FormatStyle::ShortFunctionStyle({/*Empty=*/true,
+                                               /*Inline=*/false,
+                                               /*Other=*/false}));
   CHECK_PARSE("AllowShortFunctionsOnASingleLine: All",
-              AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
+              AllowShortFunctionsOnASingleLine,
+              FormatStyle::ShortFunctionStyle({/*Empty=*/true,
+                                               /*Inline=*/true,
+                                               /*Other=*/true}));
+  CHECK_PARSE("AllowShortFunctionsOnASingleLine: InlineOnly",
+              AllowShortFunctionsOnASingleLine,
+              FormatStyle::ShortFunctionStyle({/*Empty=*/false,
+                                               /*Inline=*/true,
+                                               /*Other=*/false}));
+
   // For backward compatibility:
   CHECK_PARSE("AllowShortFunctionsOnASingleLine: false",
-              AllowShortFunctionsOnASingleLine, FormatStyle::SFS_None);
+              AllowShortFunctionsOnASingleLine,
+              FormatStyle::ShortFunctionStyle({}));
   CHECK_PARSE("AllowShortFunctionsOnASingleLine: true",
-              AllowShortFunctionsOnASingleLine, FormatStyle::SFS_All);
+              AllowShortFunctionsOnASingleLine,
+              FormatStyle::ShortFunctionStyle({/*Empty=*/true,
+                                               /*Inline=*/true,
+                                               /*Other=*/true}));
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owenca wrote:

Do we need to change them?

https://github.com/llvm/llvm-project/pull/134337