[clang] [clang-format] Don't annotate class specifiers as StartOfName (PR #153525)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-format

Author: owenca (owenca)

<details>
<summary>Changes</summary>

Fixes #<!-- -->153443

---
Full diff: https://github.com/llvm/llvm-project/pull/153525.diff


2 Files Affected:

- (modified) clang/lib/Format/TokenAnnotator.cpp (+3) 
- (modified) clang/unittests/Format/TokenAnnotatorTest.cpp (+7) 


``````````diff
diff --git a/clang/lib/Format/TokenAnnotator.cpp b/clang/lib/Format/TokenAnnotator.cpp
index 4801d27b1395a..88752903914bf 100644
--- a/clang/lib/Format/TokenAnnotator.cpp
+++ b/clang/lib/Format/TokenAnnotator.cpp
@@ -2590,6 +2590,9 @@ class AnnotatingParser {
     if (!Tok.Previous || Tok.isNot(tok::identifier) || Tok.is(TT_ClassHeadName))
       return false;
 
+    if (Tok.endsSequence(Keywords.kw_final, TT_ClassHeadName))
+      return false;
+
     if ((Style.isJavaScript() || Style.isJava()) && Tok.is(Keywords.kw_extends))
       return false;
 
diff --git a/clang/unittests/Format/TokenAnnotatorTest.cpp b/clang/unittests/Format/TokenAnnotatorTest.cpp
index 7f99655b1fa49..85ccba38ac8ca 100644
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -618,6 +618,13 @@ TEST_F(TokenAnnotatorTest, UnderstandsStructs) {
   EXPECT_TOKEN(Tokens[19], tok::l_brace, TT_StructLBrace);
   EXPECT_TOKEN(Tokens[20], tok::r_brace, TT_StructRBrace);
 
+  Tokens = annotate("class Outer {\n"
+                    "  struct Inner final : Base {};\n"
+                    "};");
+  ASSERT_EQ(Tokens.size(), 14u) << Tokens;
+  EXPECT_TOKEN(Tokens[5], tok::identifier, TT_Unknown); // Not TT_StartOfName
+  EXPECT_TOKEN(Tokens[6], tok::colon, TT_InheritanceColon);
+
   constexpr StringRef Code("struct EXPORT StructName {};");
 
   Tokens = annotate(Code);

``````````

</details>


https://github.com/llvm/llvm-project/pull/153525