Annotate enum r brace

In preparation of #67906.

Author: HazardyKnusperkeks

clang/lib/Format/FormatToken.h

@@ -68,6 +68,7 @@ namespace format {
   TYPE(DictLiteral)                                                            \
   TYPE(ElseLBrace)                                                             \
   TYPE(EnumLBrace)                                                             \
+  TYPE(EnumRBrace)                                                             \
   TYPE(FatArrow)                                                               \
   TYPE(ForEachMacro)                                                           \
   TYPE(FunctionAnnotationRParen)                                               \

clang/lib/Format/UnwrappedLineParser.cpp

@@ -3713,6 +3713,10 @@ bool UnwrappedLineParser::parseEnum() {
       nextToken();
     addUnwrappedLine();
   }
+  if (auto Prev = FormatTok->getPreviousNonComment();
+      Prev && Prev->is(tok::r_brace)) {
+    Prev->setFinalizedType(TT_EnumRBrace);
+  }
   return true;
 
   // There is no addUnwrappedLine() here so that we fall through to parsing a

clang/unittests/Format/TokenAnnotatorTest.cpp

@@ -474,6 +474,7 @@ TEST_F(TokenAnnotatorTest, UnderstandsEnums) {
   auto Tokens = annotate("enum E {};");
   EXPECT_EQ(Tokens.size(), 6u) << Tokens;
   EXPECT_TOKEN(Tokens[2], tok::l_brace, TT_EnumLBrace);
+  EXPECT_TOKEN(Tokens[3], tok::r_brace, TT_EnumRBrace);
 }
 
 TEST_F(TokenAnnotatorTest, UnderstandsDefaultedAndDeletedFunctions) {