[clang-tools-extra] Rename StringRef _lower() method calls to _insensitive()

clang-tools-extra/clang-tidy/ClangTidyCheck.cpp

@@ -150,11 +150,11 @@ llvm::Optional<int64_t> ClangTidyCheck::OptionsView::getEnumInt(
   unsigned EditDistance = 3;
   for (const auto &NameAndEnum : Mapping) {
     if (IgnoreCase) {
-      if (Value.equals_lower(NameAndEnum.second))
+      if (Value.equals_insensitive(NameAndEnum.second))
         return NameAndEnum.first;
     } else if (Value.equals(NameAndEnum.second)) {
       return NameAndEnum.first;
-    } else if (Value.equals_lower(NameAndEnum.second)) {
+    } else if (Value.equals_insensitive(NameAndEnum.second)) {
       Closest = NameAndEnum.second;
       EditDistance = 0;
       continue;

clang-tools-extra/clang-tidy/altera/KernelNameRestrictionCheck.cpp

@@ -70,9 +70,9 @@ void KernelNameRestrictionPPCallbacks::InclusionDirective(
 
 bool KernelNameRestrictionPPCallbacks::fileNameIsRestricted(
     StringRef FileName) {
-  return FileName.equals_lower("kernel.cl") ||
-         FileName.equals_lower("verilog.cl") ||
-         FileName.equals_lower("vhdl.cl");
+  return FileName.equals_insensitive("kernel.cl") ||
+         FileName.equals_insensitive("verilog.cl") ||
+         FileName.equals_insensitive("vhdl.cl");
 }
 
 void KernelNameRestrictionPPCallbacks::EndOfMainFile() {

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

@@ -176,8 +176,8 @@ static bool sameName(StringRef InComment, StringRef InDecl, bool StrictMode) {
     return InComment == InDecl;
   InComment = InComment.trim('_');
   InDecl = InDecl.trim('_');
-  // FIXME: compare_lower only works for ASCII.
-  return InComment.compare_lower(InDecl) == 0;
+  // FIXME: compare_insensitive only works for ASCII.
+  return InComment.compare_insensitive(InDecl) == 0;
 }
 
 static bool looksLikeExpectMethod(const CXXMethodDecl *Expect) {

clang-tools-extra/clang-tidy/cppcoreguidelines/PreferMemberInitializerCheck.cpp

@@ -159,7 +159,7 @@ void PreferMemberInitializerCheck::check(
     if (S->getBeginLoc().isMacroID()) {
       StringRef MacroName = Lexer::getImmediateMacroName(
           S->getBeginLoc(), *Result.SourceManager, getLangOpts());
-      if (MacroName.contains_lower("assert"))
+      if (MacroName.contains_insensitive("assert"))
         return;
     }
     if (isControlStatement(S))

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

@@ -104,8 +104,8 @@ void StaticAssertCheck::check(const MatchFinder::MatchResult &Result) {
 
     StringRef FalseMacroName =
         Lexer::getImmediateMacroName(FalseLiteralLoc, SM, Opts);
-    if (FalseMacroName.compare_lower("false") == 0 ||
-        FalseMacroName.compare_lower("null") == 0)
+    if (FalseMacroName.compare_insensitive("false") == 0 ||
+        FalseMacroName.compare_insensitive("null") == 0)
       return;
   }
 

clang-tools-extra/clang-tidy/readability/InconsistentDeclarationParameterNameCheck.cpp

@@ -93,8 +93,8 @@ bool nameMatch(StringRef L, StringRef R, bool Strict) {
     return L.empty() || R.empty() || L == R;
   // We allow two names if one is a prefix/suffix of the other, ignoring case.
   // Important special case: this is true if either parameter has no name!
-  return L.startswith_lower(R) || R.startswith_lower(L) ||
-         L.endswith_lower(R) || R.endswith_lower(L);
+  return L.startswith_insensitive(R) || R.startswith_insensitive(L) ||
+         L.endswith_insensitive(R) || R.endswith_insensitive(L);
 }
 
 DifferingParamsContainer

clang-tools-extra/clang-tidy/readability/UppercaseLiteralSuffixCheck.cpp

@@ -93,7 +93,7 @@ getNewSuffix(llvm::StringRef OldSuffix,
   // Else, find matching suffix, case-*insensitive*ly.
   auto NewSuffix = llvm::find_if(
       NewSuffixes, [OldSuffix](const std::string &PotentialNewSuffix) {
-        return OldSuffix.equals_lower(PotentialNewSuffix);
+        return OldSuffix.equals_insensitive(PotentialNewSuffix);
       });
   // Have a match, return it.
   if (NewSuffix != NewSuffixes.end())

clang-tools-extra/clangd/CodeComplete.cpp

@@ -1680,7 +1680,7 @@ private:
           C.SemaResult->Kind == CodeCompletionResult::RK_Macro) ||
          (C.IndexResult &&
           C.IndexResult->SymInfo.Kind == index::SymbolKind::Macro)) &&
-        !C.Name.startswith_lower(Filter->pattern()))
+        !C.Name.startswith_insensitive(Filter->pattern()))
       return None;
     return Filter->match(C.Name);
   }

clang-tools-extra/clangd/CompileCommands.cpp

@@ -296,9 +296,9 @@ enum DriverMode : unsigned char {
 DriverMode getDriverMode(const std::vector<std::string> &Args) {
   DriverMode Mode = DM_GCC;
   llvm::StringRef Argv0 = Args.front();
-  if (Argv0.endswith_lower(".exe"))
+  if (Argv0.endswith_insensitive(".exe"))
     Argv0 = Argv0.drop_back(strlen(".exe"));
-  if (Argv0.endswith_lower("cl"))
+  if (Argv0.endswith_insensitive("cl"))
     Mode = DM_CL;
   for (const llvm::StringRef Arg : Args) {
     if (Arg == "--driver-mode=cl") {

clang-tools-extra/clangd/ConfigYAML.cpp

@@ -169,7 +169,7 @@ private:
 
   void parse(Fragment::IndexBlock::ExternalBlock &F,
              Located<std::string> ExternalVal) {
-    if (!llvm::StringRef(*ExternalVal).equals_lower("none")) {
+    if (!llvm::StringRef(*ExternalVal).equals_insensitive("none")) {
       error("Only scalar value supported for External is 'None'",
             ExternalVal.Range);
       return;

clang-tools-extra/clangd/HeaderSourceSwitch.cpp

@@ -27,13 +27,13 @@ llvm::Optional<Path> getCorrespondingHeaderOrSource(
   // Lookup in a list of known extensions.
   auto SourceIter =
       llvm::find_if(SourceExtensions, [&PathExt](PathRef SourceExt) {
-        return SourceExt.equals_lower(PathExt);
+        return SourceExt.equals_insensitive(PathExt);
       });
   bool IsSource = SourceIter != std::end(SourceExtensions);
 
   auto HeaderIter =
       llvm::find_if(HeaderExtensions, [&PathExt](PathRef HeaderExt) {
-        return HeaderExt.equals_lower(PathExt);
+        return HeaderExt.equals_insensitive(PathExt);
       });
   bool IsHeader = HeaderIter != std::end(HeaderExtensions);
 

clang-tools-extra/clangd/InlayHints.cpp

@@ -156,7 +156,7 @@ private:
       return false;
 
     StringRef Name = getSimpleName(*Callee);
-    if (!Name.startswith_lower("set"))
+    if (!Name.startswith_insensitive("set"))
       return false;
 
     // In addition to checking that the function has one parameter and its
@@ -168,10 +168,10 @@ private:
     // This currently doesn't handle cases where params use snake_case
     // and functions don't, e.g.
     //   void setExceptionHandler(EHFunc exception_handler);
-    // We could improve this by replacing `equals_lower` with some
+    // We could improve this by replacing `equals_insensitive` with some
     // `sloppy_equals` which ignores case and also skips underscores.
     StringRef WhatItIsSetting = Name.substr(3).ltrim("_");
-    return WhatItIsSetting.equals_lower(ParamNames[0]);
+    return WhatItIsSetting.equals_insensitive(ParamNames[0]);
   }
 
   bool shouldHint(const Expr *Arg, StringRef ParamName) {

clang-tools-extra/clangd/Quality.cpp

@@ -378,7 +378,7 @@ static llvm::Optional<llvm::StringRef>
 wordMatching(llvm::StringRef Name, const llvm::StringSet<> *ContextWords) {
   if (ContextWords)
     for (const auto &Word : ContextWords->keys())
-      if (Name.contains_lower(Word))
+      if (Name.contains_insensitive(Word))
         return Word;
   return llvm::None;
 }
@@ -552,7 +552,7 @@ evaluateDecisionForest(const SymbolQualitySignals &Quality,
   int NumMatch = 0;
   if (Relevance.ContextWords) {
     for (const auto &Word : Relevance.ContextWords->keys()) {
-      if (Relevance.Name.contains_lower(Word)) {
+      if (Relevance.Name.contains_insensitive(Word)) {
         ++NumMatch;
       }
     }

clang-tools-extra/clangd/index/SymbolCollector.cpp

@@ -285,7 +285,8 @@ private:
     Line = Line.ltrim();
     if (!Line.startswith("error"))
       return false;
-    return Line.contains_lower("includ"); // Matches "include" or "including".
+    return Line.contains_insensitive(
+        "includ"); // Matches "include" or "including".
   }
 
   // Heuristically headers that only want to be included via an umbrella.

clang-tools-extra/clangd/support/Path.cpp

@@ -13,7 +13,7 @@ namespace clangd {
 
 #ifdef CLANGD_PATH_CASE_INSENSITIVE
 std::string maybeCaseFoldPath(PathRef Path) { return Path.lower(); }
-bool pathEqual(PathRef A, PathRef B) { return A.equals_lower(B); }
+bool pathEqual(PathRef A, PathRef B) { return A.equals_insensitive(B); }
 #else  // NOT CLANGD_PATH_CASE_INSENSITIVE
 std::string maybeCaseFoldPath(PathRef Path) { return Path.str(); }
 bool pathEqual(PathRef A, PathRef B) { return A == B; }

clang-tools-extra/modularize/ModularizeUtilities.cpp

@@ -470,9 +470,9 @@ bool ModularizeUtilities::isHeader(StringRef FileName) {
   StringRef Extension = llvm::sys::path::extension(FileName);
   if (Extension.size() == 0)
     return true;
-  if (Extension.equals_lower(".h"))
+  if (Extension.equals_insensitive(".h"))
     return true;
-  if (Extension.equals_lower(".inc"))
+  if (Extension.equals_insensitive(".inc"))
     return true;
   return false;
 }