From: Owen Pan <owenpiano@gmail.com>
Date: Sat, 5 Oct 2024 01:18:03 +0000 (-0700)
Subject: [clang-format] Handle template closer followed by braces (#110971)
X-Git-Tag: upstream/19.1.4~41
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=96839b6f16a063c3f15cac5d9b6a0e5912f6341e;p=platform%2Fupstream%2Fllvm.git

[clang-format] Handle template closer followed by braces (#110971)

Fixes #110968.

(cherry picked from commit e5b05a51b8151cc7788bbdea4d491e5ccfceedea)
---

diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index f7b3561f6e03..631c7c62baac 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -2131,6 +2131,11 @@ void UnwrappedLineParser::parseStructuralElement(
         return;
       }
       break;
+    case tok::greater:
+      nextToken();
+      if (FormatTok->is(tok::l_brace))
+        FormatTok->Previous->setFinalizedType(TT_TemplateCloser);
+      break;
     default:
       nextToken();
       break;
diff --git a/clang/unittests/Format/TokenAnnotatorTest.cpp b/clang/unittests/Format/TokenAnnotatorTest.cpp
index 2f09b380a871..6f3ef3b646c6 100644
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -3399,6 +3399,11 @@ TEST_F(TokenAnnotatorTest, TemplateInstantiation) {
   ASSERT_EQ(Tokens.size(), 11u) << Tokens;
   EXPECT_TOKEN(Tokens[2], tok::less, TT_TemplateOpener);
   EXPECT_TOKEN(Tokens[6], tok::greater, TT_TemplateCloser);
+
+  Tokens = annotate("return std::conditional_t<T::value == U::value, T, U>{};");
+  ASSERT_EQ(Tokens.size(), 21u) << Tokens;
+  EXPECT_TOKEN(Tokens[4], tok::less, TT_TemplateOpener);
+  EXPECT_TOKEN(Tokens[16], tok::greater, TT_TemplateCloser);
 }
 
 } // namespace