1 files changed, 40 insertions, 0 deletions
diff --git a/clang-tools-extra/clang-tidy/misc/ArgumentCommentCheck.h b/clang-tools-extra/clang-tidy/misc/ArgumentCommentCheck.h
new file mode 100644
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+++ b/clang-tools-extra/clang-tidy/misc/ArgumentCommentCheck.h
@@ -0,0 +1,40 @@
+//===--- ArgumentCommentCheck.h - clang-tidy --------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_ARG_COMMENT_CHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_ARG_COMMENT_CHECK_H
+
+#include "../ClangTidy.h"
+#include "llvm/Support/Regex.h"
+
+namespace clang {
+namespace tidy {
+
+/// \brief Checks that argument comments match parameter names.
+class ArgumentCommentCheck : public ClangTidyCheck {
+public:
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+
+private:
+  llvm::Regex IdentRE{ "^(/\\* *)([_A-Za-z][_A-Za-z0-9]*)( *= *\\*/)$" };
+
+  bool isLikelyTypo(llvm::ArrayRef<ParmVarDecl *> Params, StringRef ArgName,
+                    unsigned ArgIndex);
+  std::vector<std::pair<SourceLocation, StringRef>>
+  getCommentsInRange(ASTContext *Ctx, SourceRange Range);
+  void checkCallArgs(ASTContext *Ctx, const FunctionDecl *Callee,
+                     SourceLocation ArgBeginLoc,
+                     llvm::ArrayRef<const Expr *> Args);
+};
+
+} // namespace tidy
+} // namespace clang
+
+#endif // LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_MISC_ARG_COMMENT_CHECK_H