Author: Owen Pan
Date: 2025-03-03T17:40:02-08:00
New Revision: 0ed2945a596991b75e4ca090fe04240abba6012b

URL: 
https://github.com/llvm/llvm-project/commit/0ed2945a596991b75e4ca090fe04240abba6012b
DIFF: 
https://github.com/llvm/llvm-project/commit/0ed2945a596991b75e4ca090fe04240abba6012b.diff

LOG: [clang-format] Don't sort includes for C# (#129369)

Fixes #106194

Added: 
    

Modified: 
    clang/lib/Format/Format.cpp
    clang/unittests/Format/SortIncludesTest.cpp

Removed: 
    


################################################################################
diff  --git a/clang/lib/Format/Format.cpp b/clang/lib/Format/Format.cpp
index 92678a031178a..c699a96d3f45e 100644
--- a/clang/lib/Format/Format.cpp
+++ b/clang/lib/Format/Format.cpp
@@ -3547,7 +3547,8 @@ tooling::Replacements sortIncludes(const FormatStyle 
&Style, StringRef Code,
     return sortJavaScriptImports(Style, Code, Ranges, FileName);
   if (Style.Language == FormatStyle::LanguageKind::LK_Java)
     return sortJavaImports(Style, Code, Ranges, FileName, Replaces);
-  sortCppIncludes(Style, Code, Ranges, FileName, Replaces, Cursor);
+  if (Style.isCpp())
+    sortCppIncludes(Style, Code, Ranges, FileName, Replaces, Cursor);
   return Replaces;
 }
 

diff  --git a/clang/unittests/Format/SortIncludesTest.cpp 
b/clang/unittests/Format/SortIncludesTest.cpp
index cb3f8c73a0487..f20862f5f7461 100644
--- a/clang/unittests/Format/SortIncludesTest.cpp
+++ b/clang/unittests/Format/SortIncludesTest.cpp
@@ -1085,6 +1085,15 @@ TEST_F(SortIncludesTest, DoNotSortLikelyXml) {
                     "input.h", 0));
 }
 
+TEST_F(SortIncludesTest, DoNotSortCSharp) {
+  constexpr StringRef Code{"const string expectedDataStruct = @\"\n"
+                           "            #include <b.h>\n"
+                           "            #include <a.h>\n"
+                           "        \";"};
+  FmtStyle.Language = FormatStyle::LK_CSharp;
+  EXPECT_TRUE(sortIncludes(FmtStyle, Code, GetCodeRange(Code), 
"a.cs").empty());
+}
+
 TEST_F(SortIncludesTest, DoNotOutputReplacementsForSortedBlocksWithRegrouping) 
{
   Style.IncludeBlocks = Style.IBS_Regroup;
   StringRef Code = "#include \"b.h\"\n"


        
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