[clang] [clang-format] add option to control bin-packing keyworded parameters (PR #131605)

[Björn Schäpers via cfe-commits]

================
@@ -3926,6 +3926,39 @@ TEST_F(TokenAnnotatorTest, UserDefinedConversionFunction) {
   EXPECT_TOKEN(Tokens[5], tok::l_paren, TT_FunctionDeclarationLParen);
 }
 
+TEST_F(TokenAnnotatorTest, KeywordedFunctionLikeMacro) {
+  auto Style = getLLVMStyle();
+  FormatStyle::KeywordedFunctionLikeMacro QPropertyDeclaration;
+  QPropertyDeclaration.Name = "Q_PROPERTY";
+  QPropertyDeclaration.Keywords.push_back("READ");
+  QPropertyDeclaration.Keywords.push_back("WRITE");
+  QPropertyDeclaration.Keywords.push_back("NOTIFY");
+  QPropertyDeclaration.Keywords.push_back("RESET");
+  Style.KeywordedFunctionLikeMacros.push_back(QPropertyDeclaration);
+
+  auto Tokens = annotate(
+      "Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged)",
+      Style);
+  ASSERT_EQ(Tokens.size(), 12u) << Tokens;
+  EXPECT_TOKEN(Tokens[0], tok::identifier, TT_Unknown);
+  EXPECT_TOKEN(Tokens[4], tok::identifier, TT_FunctionParameterKeyword);
+  EXPECT_TOKEN(Tokens[5], tok::identifier, TT_StartOfName);
+  EXPECT_TOKEN(Tokens[6], tok::identifier, TT_FunctionParameterKeyword);
+  EXPECT_TOKEN(Tokens[7], tok::identifier, TT_StartOfName);
+  EXPECT_TOKEN(Tokens[8], tok::identifier, TT_FunctionParameterKeyword);
+  EXPECT_TOKEN(Tokens[9], tok::identifier, TT_StartOfName);
+
+  Tokens = annotate(
+      "struct S { Q_OBJECT\n Q_PROPERTY(int value READ value WRITE setValue "
+      "NOTIFY valueChanged)\n };",
----------------
HazardyKnusperkeks wrote:

```suggestion
      "struct S { Q_OBJECT\n"
      "Q_PROPERTY(int value READ value WRITE setValue NOTIFY valueChanged)\n"
      "};",
```

https://github.com/llvm/llvm-project/pull/131605