[clang] 0fa78b6 - [clang-format] Correctly annotate braces in macro definition (#106662)

[via cfe-commits]

Author: Owen Pan
Date: 2024-09-02T01:40:13-07:00
New Revision: 0fa78b6c7bd43c2498700a98c47a02cf4fd06388

URL: https://github.com/llvm/llvm-project/commit/0fa78b6c7bd43c2498700a98c47a02cf4fd06388
DIFF: https://github.com/llvm/llvm-project/commit/0fa78b6c7bd43c2498700a98c47a02cf4fd06388.diff

LOG: [clang-format] Correctly annotate braces in macro definition (#106662)

Fixes #106418.

Added: 
    

Modified: 
    clang/lib/Format/UnwrappedLineParser.cpp
    clang/unittests/Format/TokenAnnotatorTest.cpp

Removed: 
    


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diff  --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index 246b29d308bfaf..0d42a6c2bfb5c6 100644
--- a/clang/lib/Format/UnwrappedLineParser.cpp
+++ b/clang/lib/Format/UnwrappedLineParser.cpp
@@ -609,9 +609,8 @@ void UnwrappedLineParser::calculateBraceTypes(bool ExpectClassBody) {
             ProbablyBracedList = NextTok->isNot(tok::l_square);
           }
 
-          // Cpp macro definition body that is a nonempty braced list or block:
+          // Cpp macro definition body containing nonempty braced list or block:
           if (IsCpp && Line->InMacroBody && PrevTok != FormatTok &&
-              !FormatTok->Previous && NextTok->is(tok::eof) &&
               // A statement can end with only `;` (simple statement), a block
               // closing brace (compound statement), or `:` (label statement).
               // If PrevTok is a block opening brace, Tok ends an empty block.

diff  --git a/clang/unittests/Format/TokenAnnotatorTest.cpp b/clang/unittests/Format/TokenAnnotatorTest.cpp
index 497b911f4efbba..5d37a65250d0b1 100644
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -3256,6 +3256,11 @@ TEST_F(TokenAnnotatorTest, BraceKind) {
   EXPECT_BRACE_KIND(Tokens[10], BK_Block);
   EXPECT_TOKEN(Tokens[11], tok::r_brace, TT_StructRBrace);
   EXPECT_BRACE_KIND(Tokens[11], BK_Block);
+
+  Tokens = annotate("#define MEMBER(NAME) NAME{\"\"}");
+  ASSERT_EQ(Tokens.size(), 11u) << Tokens;
+  EXPECT_BRACE_KIND(Tokens[7], BK_BracedInit);
+  EXPECT_BRACE_KIND(Tokens[9], BK_BracedInit);
 }
 
 TEST_F(TokenAnnotatorTest, UnderstandsElaboratedTypeSpecifier) {