[llvm-branch-commits] [clang] release/19.x: [clang-format] Correctly annotate braces in macro definition (#106662) (PR #107058)

via llvm-branch-commits llvm-branch-commits at lists.llvm.org
Tue Sep 3 01:44:24 PDT 2024


llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang-format

Author: None (llvmbot)

<details>
<summary>Changes</summary>

Backport 0fa78b6c7bd43c2498700a98c47a02cf4fd06388

Requested by: @<!-- -->owenca

---
Full diff: https://github.com/llvm/llvm-project/pull/107058.diff


2 Files Affected:

- (modified) clang/lib/Format/UnwrappedLineParser.cpp (+1-2) 
- (modified) clang/unittests/Format/TokenAnnotatorTest.cpp (+5) 


``````````diff
diff --git a/clang/lib/Format/UnwrappedLineParser.cpp b/clang/lib/Format/UnwrappedLineParser.cpp
index 7f5d157ae95891..60e65aaa83e9c1 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 f0533c92f6538c..db580d70058811 100644
--- a/clang/unittests/Format/TokenAnnotatorTest.cpp
+++ b/clang/unittests/Format/TokenAnnotatorTest.cpp
@@ -3218,6 +3218,11 @@ 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) {

``````````

</details>


https://github.com/llvm/llvm-project/pull/107058


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