
Fix applied by running: run-clang-tidy.py -checks=-*,modernize-concat-nested-namespaces Differential Revision: https://reviews.llvm.org/D141770
76 lines
2.9 KiB
C++
76 lines
2.9 KiB
C++
//===--- UseAnonymousNamespaceCheck.cpp - clang-tidy ----------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "UseAnonymousNamespaceCheck.h"
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#include "clang/AST/ASTContext.h"
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#include "clang/ASTMatchers/ASTMatchFinder.h"
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using namespace clang::ast_matchers;
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namespace clang::tidy::misc {
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namespace {
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AST_POLYMORPHIC_MATCHER_P(isInHeaderFile,
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AST_POLYMORPHIC_SUPPORTED_TYPES(FunctionDecl,
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VarDecl),
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utils::FileExtensionsSet, HeaderFileExtensions) {
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return utils::isExpansionLocInHeaderFile(
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Node.getBeginLoc(), Finder->getASTContext().getSourceManager(),
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HeaderFileExtensions);
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}
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AST_MATCHER(FunctionDecl, isMemberFunction) {
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return llvm::isa<CXXMethodDecl>(&Node);
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}
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AST_MATCHER(VarDecl, isStaticDataMember) { return Node.isStaticDataMember(); }
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} // namespace
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UseAnonymousNamespaceCheck::UseAnonymousNamespaceCheck(
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StringRef Name, ClangTidyContext *Context)
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: ClangTidyCheck(Name, Context),
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RawStringHeaderFileExtensions(Options.getLocalOrGlobal(
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"HeaderFileExtensions", utils::defaultHeaderFileExtensions())) {
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if (!utils::parseFileExtensions(RawStringHeaderFileExtensions,
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HeaderFileExtensions,
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utils::defaultFileExtensionDelimiters())) {
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this->configurationDiag("Invalid header file extension: '%0'")
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<< RawStringHeaderFileExtensions;
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}
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}
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void UseAnonymousNamespaceCheck::storeOptions(
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ClangTidyOptions::OptionMap &Opts) {
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Options.store(Opts, "HeaderFileExtensions", RawStringHeaderFileExtensions);
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}
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void UseAnonymousNamespaceCheck::registerMatchers(MatchFinder *Finder) {
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Finder->addMatcher(
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functionDecl(isStaticStorageClass(),
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unless(anyOf(isInHeaderFile(HeaderFileExtensions),
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isInAnonymousNamespace(), isMemberFunction())))
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.bind("x"),
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this);
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Finder->addMatcher(
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varDecl(isStaticStorageClass(),
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unless(anyOf(isInHeaderFile(HeaderFileExtensions),
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isInAnonymousNamespace(), isStaticLocal(),
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isStaticDataMember(), hasType(isConstQualified()))))
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.bind("x"),
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this);
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}
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void UseAnonymousNamespaceCheck::check(const MatchFinder::MatchResult &Result) {
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if (const auto *MatchedDecl = Result.Nodes.getNodeAs<NamedDecl>("x")) {
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StringRef Type = llvm::isa<VarDecl>(MatchedDecl) ? "variable" : "function";
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diag(MatchedDecl->getLocation(),
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"%0 %1 declared 'static', move to anonymous namespace instead")
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<< Type << MatchedDecl;
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}
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}
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} // namespace clang::tidy::misc
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