[clang-tidy][NFC] Fix "llvm-prefer-static-over-anonymous-namespace" warnings 1/N (#153885)

Author: vbvictor

clang-tools-extra/clang-tidy/bugprone/MultipleNewInOneExpressionCheck.cpp

@@ -15,14 +15,12 @@ using namespace clang::ast_matchers;
 
 namespace clang::tidy::bugprone {
 
-namespace {
-
 // Determine if the result of an expression is "stored" in some way.
 // It is true if the value is stored into a variable or used as initialization
 // or passed to a function or constructor.
 // For this use case compound assignments are not counted as a "store" (the 'E'
 // expression should have pointer type).
-bool isExprValueStored(const Expr *E, ASTContext &C) {
+static bool isExprValueStored(const Expr *E, ASTContext &C) {
   E = E->IgnoreParenCasts();
   // Get first non-paren, non-cast parent.
   ParentMapContext &PMap = C.getParentMapContext();
@@ -49,6 +47,8 @@ bool isExprValueStored(const Expr *E, ASTContext &C) {
   return isa<CallExpr, CXXConstructExpr>(ParentE);
 }
 
+namespace {
+
 AST_MATCHER_P(CXXTryStmt, hasHandlerFor,
               ast_matchers::internal::Matcher<QualType>, InnerMatcher) {
   for (unsigned NH = Node.getNumHandlers(), I = 0; I < NH; ++I) {

clang-tools-extra/clang-tidy/bugprone/SuspiciousMissingCommaCheck.cpp

@@ -14,10 +14,8 @@ using namespace clang::ast_matchers;
 
 namespace clang::tidy::bugprone {
 
-namespace {
-
-bool isConcatenatedLiteralsOnPurpose(ASTContext *Ctx,
-                                     const StringLiteral *Lit) {
+static bool isConcatenatedLiteralsOnPurpose(ASTContext *Ctx,
+                                            const StringLiteral *Lit) {
   // String literals surrounded by parentheses are assumed to be on purpose.
   //    i.e.:  const char* Array[] = { ("a" "b" "c"), "d", [...] };
 
@@ -58,6 +56,8 @@ bool isConcatenatedLiteralsOnPurpose(ASTContext *Ctx,
   return false;
 }
 
+namespace {
+
 AST_MATCHER_P(StringLiteral, isConcatenatedLiteral, unsigned,
               MaxConcatenatedTokens) {
   return Node.getNumConcatenated() > 1 &&

clang-tools-extra/clang-tidy/cert/StrToNumCheck.cpp

@@ -46,16 +46,18 @@ enum class ConversionKind {
   ToLongDouble
 };
 
-ConversionKind classifyConversionFunc(const FunctionDecl *FD) {
+} // namespace
+
+static ConversionKind classifyConversionFunc(const FunctionDecl *FD) {
   return llvm::StringSwitch<ConversionKind>(FD->getName())
       .Cases("atoi", "atol", ConversionKind::ToInt)
       .Case("atoll", ConversionKind::ToLongInt)
       .Case("atof", ConversionKind::ToDouble)
       .Default(ConversionKind::None);
 }
 
-ConversionKind classifyFormatString(StringRef Fmt, const LangOptions &LO,
-                                    const TargetInfo &TI) {
+static ConversionKind classifyFormatString(StringRef Fmt, const LangOptions &LO,
+                                           const TargetInfo &TI) {
   // Scan the format string for the first problematic format specifier, then
   // report that as the conversion type. This will miss additional conversion
   // specifiers, but that is acceptable behavior.
@@ -128,7 +130,7 @@ ConversionKind classifyFormatString(StringRef Fmt, const LangOptions &LO,
   return H.get();
 }
 
-StringRef classifyConversionType(ConversionKind K) {
+static StringRef classifyConversionType(ConversionKind K) {
   switch (K) {
   case ConversionKind::None:
     llvm_unreachable("Unexpected conversion kind");
@@ -148,7 +150,7 @@ StringRef classifyConversionType(ConversionKind K) {
   llvm_unreachable("Unknown conversion kind");
 }
 
-StringRef classifyReplacement(ConversionKind K) {
+static StringRef classifyReplacement(ConversionKind K) {
   switch (K) {
   case ConversionKind::None:
     llvm_unreachable("Unexpected conversion kind");
@@ -173,7 +175,6 @@ StringRef classifyReplacement(ConversionKind K) {
   }
   llvm_unreachable("Unknown conversion kind");
 }
-} // unnamed namespace
 
 void StrToNumCheck::check(const MatchFinder::MatchResult &Result) {
   const auto *Call = Result.Nodes.getNodeAs<CallExpr>("expr");

clang-tools-extra/clang-tidy/misc/NewDeleteOverloadsCheck.cpp

@@ -59,7 +59,9 @@ AST_MATCHER(FunctionDecl, isPlacementOverload) {
   return true;
 }
 
-OverloadedOperatorKind getCorrespondingOverload(const FunctionDecl *FD) {
+} // namespace
+
+static OverloadedOperatorKind getCorrespondingOverload(const FunctionDecl *FD) {
   switch (FD->getOverloadedOperator()) {
   default:
     break;
@@ -75,7 +77,7 @@ OverloadedOperatorKind getCorrespondingOverload(const FunctionDecl *FD) {
   llvm_unreachable("Not an overloaded allocation operator");
 }
 
-const char *getOperatorName(OverloadedOperatorKind K) {
+static const char *getOperatorName(OverloadedOperatorKind K) {
   switch (K) {
   default:
     break;
@@ -91,13 +93,14 @@ const char *getOperatorName(OverloadedOperatorKind K) {
   llvm_unreachable("Not an overloaded allocation operator");
 }
 
-bool areCorrespondingOverloads(const FunctionDecl *LHS,
-                               const FunctionDecl *RHS) {
+static bool areCorrespondingOverloads(const FunctionDecl *LHS,
+                                      const FunctionDecl *RHS) {
   return RHS->getOverloadedOperator() == getCorrespondingOverload(LHS);
 }
 
-bool hasCorrespondingOverloadInBaseClass(const CXXMethodDecl *MD,
-                                         const CXXRecordDecl *RD = nullptr) {
+static bool
+hasCorrespondingOverloadInBaseClass(const CXXMethodDecl *MD,
+                                    const CXXRecordDecl *RD = nullptr) {
   if (RD) {
     // Check the methods in the given class and accessible to derived classes.
     for (const auto *BMD : RD->methods())
@@ -124,8 +127,6 @@ bool hasCorrespondingOverloadInBaseClass(const CXXMethodDecl *MD,
   return false;
 }
 
-} // anonymous namespace
-
 void NewDeleteOverloadsCheck::registerMatchers(MatchFinder *Finder) {
   // Match all operator new and operator delete overloads (including the array
   // forms). Do not match implicit operators, placement operators, or

clang-tools-extra/clang-tidy/modernize/MacroToEnumCheck.cpp

@@ -395,16 +395,12 @@ void MacroToEnumCallbacks::Endif(SourceLocation Loc, SourceLocation IfLoc) {
   --CurrentFile->ConditionScopes;
 }
 
-namespace {
-
 template <size_t N>
-bool textEquals(const char (&Needle)[N], const char *HayStack) {
+static bool textEquals(const char (&Needle)[N], const char *HayStack) {
   return StringRef{HayStack, N - 1} == Needle;
 }
 
-template <size_t N> size_t len(const char (&)[N]) { return N - 1; }
-
-} // namespace
+template <size_t N> static size_t len(const char (&)[N]) { return N - 1; }
 
 void MacroToEnumCallbacks::PragmaDirective(SourceLocation Loc,
                                            PragmaIntroducerKind Introducer) {

clang-tools-extra/clang-tidy/modernize/MakeSmartPtrCheck.cpp

@@ -16,14 +16,13 @@ using namespace clang::ast_matchers;
 
 namespace clang::tidy::modernize {
 
-namespace {
+static constexpr char ConstructorCall[] = "constructorCall";
+static constexpr char ResetCall[] = "resetCall";
+static constexpr char NewExpression[] = "newExpression";
 
-constexpr char ConstructorCall[] = "constructorCall";
-constexpr char ResetCall[] = "resetCall";
-constexpr char NewExpression[] = "newExpression";
-
-std::string getNewExprName(const CXXNewExpr *NewExpr, const SourceManager &SM,
-                           const LangOptions &Lang) {
+static std::string getNewExprName(const CXXNewExpr *NewExpr,
+                                  const SourceManager &SM,
+                                  const LangOptions &Lang) {
   StringRef WrittenName = Lexer::getSourceText(
       CharSourceRange::getTokenRange(
           NewExpr->getAllocatedTypeSourceInfo()->getTypeLoc().getSourceRange()),
@@ -34,8 +33,6 @@ std::string getNewExprName(const CXXNewExpr *NewExpr, const SourceManager &SM,
   return WrittenName.str();
 }
 
-} // namespace
-
 const char MakeSmartPtrCheck::PointerType[] = "pointerType";
 
 MakeSmartPtrCheck::MakeSmartPtrCheck(StringRef Name, ClangTidyContext *Context,

clang-tools-extra/clang-tidy/modernize/RawStringLiteralCheck.cpp

@@ -19,9 +19,7 @@ using namespace clang::ast_matchers;
 
 namespace clang::tidy::modernize {
 
-namespace {
-
-bool containsEscapes(StringRef HayStack, StringRef Escapes) {
+static bool containsEscapes(StringRef HayStack, StringRef Escapes) {
   size_t BackSlash = HayStack.find('\\');
   if (BackSlash == StringRef::npos)
     return false;
@@ -35,16 +33,16 @@ bool containsEscapes(StringRef HayStack, StringRef Escapes) {
   return true;
 }
 
-bool isRawStringLiteral(StringRef Text) {
+static bool isRawStringLiteral(StringRef Text) {
   // Already a raw string literal if R comes before ".
   const size_t QuotePos = Text.find('"');
   assert(QuotePos != StringRef::npos);
   return (QuotePos > 0) && (Text[QuotePos - 1] == 'R');
 }
 
-bool containsEscapedCharacters(const MatchFinder::MatchResult &Result,
-                               const StringLiteral *Literal,
-                               const CharsBitSet &DisallowedChars) {
+static bool containsEscapedCharacters(const MatchFinder::MatchResult &Result,
+                                      const StringLiteral *Literal,
+                                      const CharsBitSet &DisallowedChars) {
   // FIXME: Handle L"", u8"", u"" and U"" literals.
   if (!Literal->isOrdinary())
     return false;
@@ -64,14 +62,12 @@ bool containsEscapedCharacters(const MatchFinder::MatchResult &Result,
   return containsEscapes(Text, R"('\"?x01)");
 }
 
-bool containsDelimiter(StringRef Bytes, const std::string &Delimiter) {
+static bool containsDelimiter(StringRef Bytes, const std::string &Delimiter) {
   return Bytes.find(Delimiter.empty()
                         ? std::string(R"lit()")lit")
                         : (")" + Delimiter + R"(")")) != StringRef::npos;
 }
 
-} // namespace
-
 RawStringLiteralCheck::RawStringLiteralCheck(StringRef Name,
                                              ClangTidyContext *Context)
     : ClangTidyCheck(Name, Context),

clang-tools-extra/clang-tidy/objc/NSInvocationArgumentLifetimeCheck.cpp

@@ -29,12 +29,13 @@
 using namespace clang::ast_matchers;
 
 namespace clang::tidy::objc {
-namespace {
 
 static constexpr StringRef WeakText = "__weak";
 static constexpr StringRef StrongText = "__strong";
 static constexpr StringRef UnsafeUnretainedText = "__unsafe_unretained";
 
+namespace {
+
 /// Matches ObjCIvarRefExpr, DeclRefExpr, or MemberExpr that reference
 /// Objective-C object (or block) variables or fields whose object lifetimes
 /// are not __unsafe_unretained.
@@ -49,6 +50,8 @@ AST_POLYMORPHIC_MATCHER(isObjCManagedLifetime,
          QT.getQualifiers().getObjCLifetime() > Qualifiers::OCL_ExplicitNone;
 }
 
+} // namespace
+
 static std::optional<FixItHint>
 fixItHintReplacementForOwnershipString(StringRef Text, CharSourceRange Range,
                                        StringRef Ownership) {
@@ -93,8 +96,6 @@ fixItHintForVarDecl(const VarDecl *VD, const SourceManager &SM,
   return FixItHint::CreateInsertion(Range.getBegin(), "__unsafe_unretained ");
 }
 
-} // namespace
-
 void NSInvocationArgumentLifetimeCheck::registerMatchers(MatchFinder *Finder) {
   Finder->addMatcher(
       traverse(

clang-tools-extra/clang-tidy/objc/PropertyDeclarationCheck.cpp

@@ -27,11 +27,14 @@ enum NamingStyle {
   CategoryProperty = 2,
 };
 
+} // namespace
+
 /// For now we will only fix 'CamelCase' or 'abc_CamelCase' property to
 /// 'camelCase' or 'abc_camelCase'. For other cases the users need to
 /// come up with a proper name by their own.
 /// FIXME: provide fix for snake_case to snakeCase
-FixItHint generateFixItHint(const ObjCPropertyDecl *Decl, NamingStyle Style) {
+static FixItHint generateFixItHint(const ObjCPropertyDecl *Decl,
+                                   NamingStyle Style) {
   auto Name = Decl->getName();
   auto NewName = Decl->getName().str();
   size_t Index = 0;
@@ -50,7 +53,7 @@ FixItHint generateFixItHint(const ObjCPropertyDecl *Decl, NamingStyle Style) {
   return {};
 }
 
-std::string validPropertyNameRegex(bool UsedInMatcher) {
+static std::string validPropertyNameRegex(bool UsedInMatcher) {
   // Allow any of these names:
   // foo
   // fooBar
@@ -72,13 +75,13 @@ std::string validPropertyNameRegex(bool UsedInMatcher) {
   return StartMatcher + "([a-z]|[A-Z][A-Z0-9])[a-z0-9A-Z]*$";
 }
 
-bool hasCategoryPropertyPrefix(llvm::StringRef PropertyName) {
+static bool hasCategoryPropertyPrefix(llvm::StringRef PropertyName) {
   auto RegexExp =
       llvm::Regex("^[a-zA-Z][a-zA-Z0-9]*_[a-zA-Z0-9][a-zA-Z0-9_]+$");
   return RegexExp.match(PropertyName);
 }
 
-bool prefixedPropertyNameValid(llvm::StringRef PropertyName) {
+static bool prefixedPropertyNameValid(llvm::StringRef PropertyName) {
   size_t Start = PropertyName.find_first_of('_');
   assert(Start != llvm::StringRef::npos && Start + 1 < PropertyName.size());
   auto Prefix = PropertyName.substr(0, Start);
@@ -88,7 +91,6 @@ bool prefixedPropertyNameValid(llvm::StringRef PropertyName) {
   auto RegexExp = llvm::Regex(llvm::StringRef(validPropertyNameRegex(false)));
   return RegexExp.match(PropertyName.substr(Start + 1));
 }
-} // namespace
 
 void PropertyDeclarationCheck::registerMatchers(MatchFinder *Finder) {
   Finder->addMatcher(objcPropertyDecl(