[libc-commits] [llvm] [libc] [clang-tools-extra] [compiler-rt] [flang] [clang] [libcxx] [openmp] [clang-tidy] Add bugprone-move-shared-pointer-contents check. (PR #67467)

[via libc-commits]

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@@ -0,0 +1,39 @@
+//===--- MoveSharedPointerContentsCheck.h - clang-tidy ----------*- C++ -*-===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_MOVESHAREDPOINTERCONTENTSCHECK_H
+#define LLVM_CLANG_TOOLS_EXTRA_CLANG_TIDY_BUGPRONE_MOVESHAREDPOINTERCONTENTSCHECK_H
+
+#include "../ClangTidyCheck.h"
+#include "llvm/ADT/StringRef.h"
+#include <vector>
+
+namespace clang::tidy::bugprone {
+
+/// Detects calls to move the contents out of a ``std::shared_ptr`` rather than
+/// moving the pointer itself. In other words, calling ``std::move(*p)``.
+///
+/// For the user-facing documentation see:
+/// http://clang.llvm.org/extra/clang-tidy/checks/bugprone/move-shared-pointer-contents.html
+class MoveSharedPointerContentsCheck : public ClangTidyCheck {
+public:
+  MoveSharedPointerContentsCheck(StringRef Name, ClangTidyContext *Context);
+  void registerMatchers(ast_matchers::MatchFinder *Finder) override;
+  void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
+  bool
+  isLanguageVersionSupported(const LangOptions &LangOptions) const override {
+    return LangOptions.CPlusPlus11;
+  }
+
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pizzud wrote:

I've been warned off IgnoreUnlessSpelledInSource in the past since it won't match hits in headers, only .cc files, and we now want to catch template instantiations. I'll use TK_AsIs.

https://github.com/llvm/llvm-project/pull/67467