================
@@ -0,0 +1,78 @@
+//===--- UseInternalLinkageCheck.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 "UseInternalLinkageCheck.h"
+#include "../utils/FileExtensionsUtils.h"
+#include "clang/AST/Decl.h"
+#include "clang/ASTMatchers/ASTMatchFinder.h"
+#include "clang/ASTMatchers/ASTMatchers.h"
+#include "clang/ASTMatchers/ASTMatchersMacros.h"
+#include "clang/Basic/SourceLocation.h"
+#include "clang/Basic/Specifiers.h"
+#include "llvm/ADT/STLExtras.h"
+
+using namespace clang::ast_matchers;
+
+namespace clang::tidy::misc {
+
+namespace {
+
+AST_MATCHER(Decl, isFirstDecl) { return Node.isFirstDecl(); }
+
+AST_MATCHER_P(Decl, isInMainFile, FileExtensionsSet, HeaderFileExtensions) {
+ return llvm::all_of(Node.redecls(), [&](const Decl *D) {
+ SourceManager &SM = Finder->getASTContext().getSourceManager();
+ const SourceLocation L = D->getLocation();
+ return SM.isInMainFile(L) &&
+ !utils::isSpellingLocInHeaderFile(L, SM, HeaderFileExtensions);
+ });
----------------
PiotrZSL wrote:
should be:
```
#source files or main file if its not a header.
return utils::isSpellingLocInFile(L, SM, SourceFileExtensions) ||
(SM.isInMainFile(L) && !utils::isSpellingLocInFile(L, SM,
HeaderFileExtensions));
```
isSpellingLocInHeaderFile should be renamed into isSpellingLocInFile, that
"Header" is not needed in those functions.
https://github.com/llvm/llvm-project/pull/90830
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