[libcxx-commits] [openmp] [llvm] [flang] [mlir] [clang] [clang-tools-extra] [libcxx] [clang-tidy] Replace memcpy with std::copy (PR #74663)

[Piotr Zegar via libcxx-commits]

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@@ -0,0 +1,119 @@
+//===--- ReplaceMemcpyWithStdCopy.cpp - 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
+//
+//===----------------------------------------------------------------------===//
+
+#include "ReplaceMemcpyWithStdCopy.h"
+#include "../utils/OptionsUtils.h"
+#include <array>
+
+using namespace clang;
+using namespace clang::ast_matchers;
+
+namespace clang {
+namespace tidy {
+namespace modernize {
+
+ReplaceMemcpyWithStdCopy::ReplaceMemcpyWithStdCopy(StringRef Name,
+                                                   ClangTidyContext *Context)
+    : ClangTidyCheck(Name, Context),
+      IncludeInserter(Options.getLocalOrGlobal("IncludeStyle",
+                                               utils::IncludeSorter::IS_LLVM)) {
+}
+
+void ReplaceMemcpyWithStdCopy::registerMatchers(MatchFinder *Finder) {
+  assert(Finder != nullptr);
+
+  if (!getLangOpts().CPlusPlus)
+    return;
+
+  auto MemcpyMatcher =
+      callExpr(hasDeclaration(functionDecl(hasName("memcpy"),
+                                           isExpansionInSystemHeader())),
+               isExpansionInMainFile())
+          .bind("memcpy_function");
+
+  Finder->addMatcher(MemcpyMatcher, this);
+}
+
+void ReplaceMemcpyWithStdCopy::registerPPCallbacks(
+    const SourceManager &SM, Preprocessor *PP, Preprocessor *ModuleExpanderPP) {
+  if (!getLangOpts().CPlusPlus)
+    return;
+
+  Inserter =
+      std::make_unique<utils::IncludeInserter>(SM, getLangOpts(),
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PiotrZSL wrote:

why creating separate inserter ?

https://github.com/llvm/llvm-project/pull/74663