Author: Congcong Cai
Date: 2024-01-09T08:01:57+08:00
New Revision: a0ae5258065a856d5f8d9f8dcb12e9d8394f789f

URL: 
https://github.com/llvm/llvm-project/commit/a0ae5258065a856d5f8d9f8dcb12e9d8394f789f
DIFF: 
https://github.com/llvm/llvm-project/commit/a0ae5258065a856d5f8d9f8dcb12e9d8394f789f.diff

LOG: [clang-tidy]unused using decls only check cpp files (#77335)

Added: 
    

Modified: 
    clang-tools-extra/clang-tidy/misc/UnusedUsingDeclsCheck.h
    clang-tools-extra/docs/ReleaseNotes.rst

Removed: 
    


################################################################################
diff  --git a/clang-tools-extra/clang-tidy/misc/UnusedUsingDeclsCheck.h 
b/clang-tools-extra/clang-tidy/misc/UnusedUsingDeclsCheck.h
index fa2a8799d098c3..498b3ffd2678c3 100644
--- a/clang-tools-extra/clang-tidy/misc/UnusedUsingDeclsCheck.h
+++ b/clang-tools-extra/clang-tidy/misc/UnusedUsingDeclsCheck.h
@@ -26,6 +26,9 @@ class UnusedUsingDeclsCheck : public ClangTidyCheck {
   void registerMatchers(ast_matchers::MatchFinder *Finder) override;
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
   void onEndOfTranslationUnit() override;
+  bool isLanguageVersionSupported(const LangOptions &LangOpts) const override {
+    return LangOpts.CPlusPlus;
+  }
 
 private:
   void removeFromFoundDecls(const Decl *D);

diff  --git a/clang-tools-extra/docs/ReleaseNotes.rst 
b/clang-tools-extra/docs/ReleaseNotes.rst
index 1bd5a72126c10b..d7f46cede0370c 100644
--- a/clang-tools-extra/docs/ReleaseNotes.rst
+++ b/clang-tools-extra/docs/ReleaseNotes.rst
@@ -382,7 +382,7 @@ Changes in existing checks
 
 - Improved :doc:`misc-unused-using-decls
   <clang-tidy/checks/misc/unused-using-decls>` check to avoid false positive 
when
-  using in elaborated type.
+  using in elaborated type and only check cpp files.
 
 - Improved :doc:`modernize-avoid-bind
   <clang-tidy/checks/modernize/avoid-bind>` check to


        
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