[clang-tidy][NFC] Make a few std::strings into StringRefs (#160961)

Following up 12cb540. Also, that commit left behind a few cases where a
temporary `StringRef` was being constructed from those variables just to
use its `.split()` function, so this PR cleans those up too.

Author: localspook

clang-tools-extra/clang-tidy/android/ComparisonInTempFailureRetryCheck.cpp

@@ -19,7 +19,7 @@ ComparisonInTempFailureRetryCheck::ComparisonInTempFailureRetryCheck(
     StringRef Name, ClangTidyContext *Context)
     : ClangTidyCheck(Name, Context),
       RawRetryList(Options.get("RetryMacros", "TEMP_FAILURE_RETRY")) {
-  StringRef(RawRetryList).split(RetryMacros, ",", -1, false);
+  RawRetryList.split(RetryMacros, ",", -1, false);
 }
 
 void ComparisonInTempFailureRetryCheck::storeOptions(

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

@@ -92,7 +92,7 @@ AssertSideEffectCheck::AssertSideEffectCheck(StringRef Name,
       RawAssertList(Options.get("AssertMacros", "assert,NSAssert,NSCAssert")),
       IgnoredFunctions(utils::options::parseListPair(
           "__builtin_expect;", Options.get("IgnoredFunctions", ""))) {
-  StringRef(RawAssertList).split(AssertMacros, ",", -1, false);
+  RawAssertList.split(AssertMacros, ",", -1, false);
 }
 
 // The options are explained in AssertSideEffectCheck.h.

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

@@ -39,12 +39,12 @@ ExceptionEscapeCheck::ExceptionEscapeCheck(StringRef Name,
       RawIgnoredExceptions(Options.get("IgnoredExceptions", "")) {
   llvm::SmallVector<StringRef, 8> FunctionsThatShouldNotThrowVec,
       IgnoredExceptionsVec;
-  StringRef(RawFunctionsThatShouldNotThrow)
-      .split(FunctionsThatShouldNotThrowVec, ",", -1, false);
+  RawFunctionsThatShouldNotThrow.split(FunctionsThatShouldNotThrowVec, ",", -1,
+                                       false);
   FunctionsThatShouldNotThrow.insert_range(FunctionsThatShouldNotThrowVec);
 
   llvm::StringSet<> IgnoredExceptions;
-  StringRef(RawIgnoredExceptions).split(IgnoredExceptionsVec, ",", -1, false);
+  RawIgnoredExceptions.split(IgnoredExceptionsVec, ",", -1, false);
   IgnoredExceptions.insert_range(IgnoredExceptionsVec);
   Tracer.ignoreExceptions(std::move(IgnoredExceptions));
   Tracer.ignoreBadAlloc(true);

clang-tools-extra/clang-tidy/bugprone/ExceptionEscapeCheck.h

@@ -33,8 +33,8 @@ class ExceptionEscapeCheck : public ClangTidyCheck {
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
 
 private:
-  std::string RawFunctionsThatShouldNotThrow;
-  std::string RawIgnoredExceptions;
+  StringRef RawFunctionsThatShouldNotThrow;
+  StringRef RawIgnoredExceptions;
 
   llvm::StringSet<> FunctionsThatShouldNotThrow;
   utils::ExceptionAnalyzer Tracer;

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

@@ -20,7 +20,7 @@ ProperlySeededRandomGeneratorCheck::ProperlySeededRandomGeneratorCheck(
     : ClangTidyCheck(Name, Context),
       RawDisallowedSeedTypes(
           Options.get("DisallowedSeedTypes", "time_t,std::time_t")) {
-  StringRef(RawDisallowedSeedTypes).split(DisallowedSeedTypes, ',');
+  RawDisallowedSeedTypes.split(DisallowedSeedTypes, ',');
 }
 
 void ProperlySeededRandomGeneratorCheck::storeOptions(

clang-tools-extra/clang-tidy/cert/ProperlySeededRandomGeneratorCheck.h

@@ -33,7 +33,7 @@ class ProperlySeededRandomGeneratorCheck : public ClangTidyCheck {
   void checkSeed(const ast_matchers::MatchFinder::MatchResult &Result,
                  const T *Func);
 
-  std::string RawDisallowedSeedTypes;
+  StringRef RawDisallowedSeedTypes;
   SmallVector<StringRef, 5> DisallowedSeedTypes;
 };
 

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

@@ -494,7 +494,7 @@ UseNullptrCheck::UseNullptrCheck(StringRef Name, ClangTidyContext *Context)
       NullMacrosStr(Options.get("NullMacros", "NULL")),
       IgnoredTypes(utils::options::parseStringList(Options.get(
           "IgnoredTypes", "_CmpUnspecifiedParam;^std::__cmp_cat::__unspec"))) {
-  StringRef(NullMacrosStr).split(NullMacros, ",");
+  NullMacrosStr.split(NullMacros, ",");
 }
 
 void UseNullptrCheck::storeOptions(ClangTidyOptions::OptionMap &Opts) {

clang-tools-extra/clang-tidy/openmp/ExceptionEscapeCheck.cpp

@@ -23,7 +23,7 @@ ExceptionEscapeCheck::ExceptionEscapeCheck(StringRef Name,
   llvm::SmallVector<StringRef, 8> IgnoredExceptionsVec;
 
   llvm::StringSet<> IgnoredExceptions;
-  StringRef(RawIgnoredExceptions).split(IgnoredExceptionsVec, ",", -1, false);
+  RawIgnoredExceptions.split(IgnoredExceptionsVec, ",", -1, false);
   llvm::transform(IgnoredExceptionsVec, IgnoredExceptionsVec.begin(),
                   [](StringRef S) { return S.trim(); });
   IgnoredExceptions.insert_range(IgnoredExceptionsVec);

clang-tools-extra/clang-tidy/openmp/ExceptionEscapeCheck.h

@@ -30,7 +30,7 @@ class ExceptionEscapeCheck : public ClangTidyCheck {
   void check(const ast_matchers::MatchFinder::MatchResult &Result) override;
 
 private:
-  std::string RawIgnoredExceptions;
+  StringRef RawIgnoredExceptions;
 
   utils::ExceptionAnalyzer Tracer;
 };