[clang-tools-extra] [clang-tidy] add new check: modernize-use-scoped-lock (PR #126434)

[Baranov Victor via cfe-commits]

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@@ -0,0 +1,233 @@
+//===--- UseScopedLockCheck.cpp - clang-tidy ------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "UseScopedLockCheck.h"
+#include "clang/AST/ASTContext.h"
+#include "clang/AST/Decl.h"
+#include "clang/AST/Stmt.h"
+#include "clang/AST/Type.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/ASTMatchers/ASTMatchers.h"
+#include "clang/Basic/SourceLocation.h"
+#include "clang/Lex/Lexer.h"
+#include "llvm/ADT/Twine.h"
+#include <iterator>
+#include <optional>
+
+using namespace clang::ast_matchers;
+
+namespace clang::tidy::modernize {
+
+namespace {
+
+bool isLockGuard(const QualType &Type) {
+  if (const auto *Record = Type->getAs<RecordType>()) {
+    if (const RecordDecl *Decl = Record->getDecl()) {
+      return Decl->getQualifiedNameAsString() == "std::lock_guard";
+    }
+  }
+
+  if (const auto *TemplateSpecType =
+          Type->getAs<TemplateSpecializationType>()) {
+    if (const TemplateDecl *Decl =
+            TemplateSpecType->getTemplateName().getAsTemplateDecl()) {
+      return Decl->getQualifiedNameAsString() == "std::lock_guard";
+    }
+  }
+
+  return false;
+}
+
+std::vector<const VarDecl *> getLockGuardsFromDecl(const DeclStmt *DS) {
+  std::vector<const VarDecl *> LockGuards;
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vbvictor wrote:

Done

https://github.com/llvm/llvm-project/pull/126434