Convert some leftover loops to C++11 range-based loop

Fix issues diagnosed by clang-tidy [modern-loop-convert]

Signed-off-by: Matthias Maennich <matthias@maennich.net>

9 files changed, 165 insertions, 232 deletions

diff --git a/Source/CPack/cmCPackBundleGenerator.cxx b/Source/CPack/cmCPackBundleGenerator.cxx
index bbf2a50..f47ca7a 100644
--- a/Source/CPack/cmCPackBundleGenerator.cxx
+++ b/Source/CPack/cmCPackBundleGenerator.cxx
@@ -213,8 +213,7 @@ int cmCPackBundleGenerator::SignBundle(const std::string& src_dir)
     cmSystemTools::ExpandListArgument(sign_files, relFiles);
 
     // sign the files supplied by the user, ie. frameworks.
-    for (std::vector<std::string>::iterator it = relFiles.begin();
-         it != relFiles.end(); ++it) {
+    for (auto const& file : relFiles) {
       std::ostringstream temp_sign_file_cmd;
       temp_sign_file_cmd << this->GetOption("CPACK_COMMAND_CODESIGN");
       temp_sign_file_cmd << " " << sign_parameter << " -s \""
@@ -223,11 +222,11 @@ int cmCPackBundleGenerator::SignBundle(const std::string& src_dir)
       temp_sign_file_cmd << this->GetOption("CPACK_APPLE_BUNDLE_ID");
       temp_sign_file_cmd << " \"";
       temp_sign_file_cmd << bundle_path;
-      temp_sign_file_cmd << *it << "\"";
+      temp_sign_file_cmd << file << "\"";
 
       if (!this->RunCommand(temp_sign_file_cmd, &output)) {
         cmCPackLogger(cmCPackLog::LOG_ERROR,
-                      "Error signing file:" << bundle_path << *it << std::endl
+                      "Error signing file:" << bundle_path << file << std::endl
                                             << output << std::endl);
 
         return 0;
diff --git a/Source/CPack/cmCPackDragNDropGenerator.cxx b/Source/CPack/cmCPackDragNDropGenerator.cxx
index 88b83af..72ddd6a 100644
--- a/Source/CPack/cmCPackDragNDropGenerator.cxx
+++ b/Source/CPack/cmCPackDragNDropGenerator.cxx
@@ -136,17 +136,17 @@ int cmCPackDragNDropGenerator::InitializeInternal()
                     "CPACK_DMG_SLA_LANGUAGES set but empty" << std::endl);
       return 0;
     }
-    for (size_t i = 0; i < languages.size(); ++i) {
-      std::string license = slaDirectory + "/" + languages[i] + ".license.txt";
+    for (auto const& language : languages) {
+      std::string license = slaDirectory + "/" + language + ".license.txt";
       if (!singleLicense && !cmSystemTools::FileExists(license)) {
         cmCPackLogger(cmCPackLog::LOG_ERROR, "Missing license file "
-                        << languages[i] << ".license.txt" << std::endl);
+                        << language << ".license.txt" << std::endl);
         return 0;
       }
-      std::string menu = slaDirectory + "/" + languages[i] + ".menu.txt";
+      std::string menu = slaDirectory + "/" + language + ".menu.txt";
       if (!cmSystemTools::FileExists(menu)) {
         cmCPackLogger(cmCPackLog::LOG_ERROR, "Missing menu file "
-                        << languages[i] << ".menu.txt" << std::endl);
+                        << language << ".menu.txt" << std::endl);
         return 0;
       }
     }
@@ -185,19 +185,19 @@ int cmCPackDragNDropGenerator::PackageFiles()
 
   // loop to create dmg files
   packageFileNames.clear();
-  for (size_t i = 0; i < package_files.size(); i++) {
+  for (auto const& package_file : package_files) {
     std::string full_package_name = std::string(toplevel) + std::string("/");
-    if (package_files[i] == "ALL_IN_ONE") {
+    if (package_file == "ALL_IN_ONE") {
       full_package_name += this->GetOption("CPACK_PACKAGE_FILE_NAME");
     } else {
-      full_package_name += package_files[i];
+      full_package_name += package_file;
     }
     full_package_name += std::string(GetOutputExtension());
     packageFileNames.push_back(full_package_name);
 
     std::string src_dir = toplevel;
     src_dir += "/";
-    src_dir += package_files[i];
+    src_dir += package_file;
 
     if (0 == this->CreateDMG(src_dir, full_package_name)) {
       return 0;
@@ -796,8 +796,8 @@ bool cmCPackDragNDropGenerator::WriteLicense(
         if (!this->BreakLongLine(line, lines, error)) {
           return false;
         }
-        for (size_t i = 0; i < lines.size(); ++i) {
-          outputStream << "        \"" << lines[i] << "\"\n";
+        for (auto const& l : lines) {
+          outputStream << "        \"" << l << "\"\n";
         }
       }
       outputStream << "        \"\\n\"\n";
diff --git a/Source/cmGlobalXCodeGenerator.cxx b/Source/cmGlobalXCodeGenerator.cxx
index 3035663..c218641 100644
--- a/Source/cmGlobalXCodeGenerator.cxx
+++ b/Source/cmGlobalXCodeGenerator.cxx
@@ -436,18 +436,13 @@ void cmGlobalXCodeGenerator::AddExtraTargets(
 
   // now make the allbuild depend on all the non-utility targets
   // in the project
-  for (std::vector<cmLocalGenerator*>::iterator i = gens.begin();
-       i != gens.end(); ++i) {
-    cmLocalGenerator* lg = *i;
-    if (this->IsExcluded(root, *i)) {
+  for (auto& gen : gens) {
+    if (this->IsExcluded(root, gen)) {
       continue;
     }
 
-    const std::vector<cmGeneratorTarget*>& tgts = lg->GetGeneratorTargets();
-    for (std::vector<cmGeneratorTarget*>::const_iterator l = tgts.begin();
-         l != tgts.end(); l++) {
-      cmGeneratorTarget* target = *l;
-
+    const std::vector<cmGeneratorTarget*>& tgts = gen->GetGeneratorTargets();
+    for (auto target : tgts) {
       if (target->GetType() == cmStateEnums::GLOBAL_TARGET) {
         continue;
       }
@@ -473,7 +468,7 @@ void cmGlobalXCodeGenerator::AddExtraTargets(
         cmCustomCommandLines commandLines;
         commandLines.push_back(makeHelper);
         std::vector<std::string> no_byproducts;
-        lg->GetMakefile()->AddCustomCommandToTarget(
+        gen->GetMakefile()->AddCustomCommandToTarget(
           target->GetName(), no_byproducts, no_depends, commandLines,
           cmTarget::POST_BUILD, "Depend check for xcode", dir.c_str(), true,
           false, "", false, cmMakefile::AcceptObjectLibraryCommands);
@@ -485,7 +480,7 @@ void cmGlobalXCodeGenerator::AddExtraTargets(
       }
 
       // Refer to the build configuration file for easy editing.
-      listfile = lg->GetCurrentSourceDirectory();
+      listfile = gen->GetCurrentSourceDirectory();
       listfile += "/";
       listfile += "CMakeLists.txt";
       target->AddSource(listfile);
@@ -497,9 +492,8 @@ void cmGlobalXCodeGenerator::CreateReRunCMakeFile(
   cmLocalGenerator* root, std::vector<cmLocalGenerator*> const& gens)
 {
   std::vector<std::string> lfiles;
-  for (std::vector<cmLocalGenerator*>::const_iterator gi = gens.begin();
-       gi != gens.end(); ++gi) {
-    std::vector<std::string> const& lf = (*gi)->GetMakefile()->GetListFiles();
+  for (auto gen : gens) {
+    std::vector<std::string> const& lf = gen->GetMakefile()->GetListFiles();
     lfiles.insert(lfiles.end(), lf.begin(), lf.end());
   }
 
@@ -559,8 +553,8 @@ void cmGlobalXCodeGenerator::SortXCodeObjects()
 void cmGlobalXCodeGenerator::ClearXCodeObjects()
 {
   this->TargetDoneSet.clear();
-  for (unsigned int i = 0; i < this->XCodeObjects.size(); ++i) {
-    delete this->XCodeObjects[i];
+  for (auto& obj : this->XCodeObjects) {
+    delete obj;
   }
   this->XCodeObjects.clear();
   this->XCodeObjectIDs.clear();
@@ -934,13 +928,11 @@ bool cmGlobalXCodeGenerator::CreateXCodeTargets(
   typedef std::map<std::string, cmGeneratorTarget*, cmCompareTargets>
     cmSortedTargets;
   cmSortedTargets sortedTargets;
-  for (std::vector<cmGeneratorTarget*>::const_iterator l = tgts.begin();
-       l != tgts.end(); l++) {
-    sortedTargets[(*l)->GetName()] = *l;
+  for (auto tgt : tgts) {
+    sortedTargets[tgt->GetName()] = tgt;
   }
-  for (cmSortedTargets::iterator l = sortedTargets.begin();
-       l != sortedTargets.end(); l++) {
-    cmGeneratorTarget* gtgt = l->second;
+  for (auto& sortedTarget : sortedTargets) {
+    cmGeneratorTarget* gtgt = sortedTarget.second;
 
     std::string targetName = gtgt->GetName();
 
@@ -1043,9 +1035,8 @@ bool cmGlobalXCodeGenerator::CreateXCodeTargets(
       sourceBuildPhase->AddAttribute("buildActionMask",
                                      this->CreateString("2147483647"));
       buildFiles = this->CreateObject(cmXCodeObject::OBJECT_LIST);
-      for (std::vector<cmXCodeObject*>::iterator i = sourceFiles.begin();
-           i != sourceFiles.end(); ++i) {
-        buildFiles->AddObject(*i);
+      for (auto& sourceFile : sourceFiles) {
+        buildFiles->AddObject(sourceFile);
       }
       sourceBuildPhase->AddAttribute("files", buildFiles);
       sourceBuildPhase->AddAttribute("runOnlyForDeploymentPostprocessing",
@@ -1061,9 +1052,8 @@ bool cmGlobalXCodeGenerator::CreateXCodeTargets(
       headerBuildPhase->AddAttribute("buildActionMask",
                                      this->CreateString("2147483647"));
       buildFiles = this->CreateObject(cmXCodeObject::OBJECT_LIST);
-      for (std::vector<cmXCodeObject*>::iterator i = headerFiles.begin();
-           i != headerFiles.end(); ++i) {
-        buildFiles->AddObject(*i);
+      for (auto& headerFile : headerFiles) {
+        buildFiles->AddObject(headerFile);
       }
       headerBuildPhase->AddAttribute("files", buildFiles);
       headerBuildPhase->AddAttribute("runOnlyForDeploymentPostprocessing",
@@ -1080,9 +1070,8 @@ bool cmGlobalXCodeGenerator::CreateXCodeTargets(
       resourceBuildPhase->AddAttribute("buildActionMask",
                                        this->CreateString("2147483647"));
       buildFiles = this->CreateObject(cmXCodeObject::OBJECT_LIST);
-      for (std::vector<cmXCodeObject*>::iterator i = resourceFiles.begin();
-           i != resourceFiles.end(); ++i) {
-        buildFiles->AddObject(*i);
+      for (auto& resourceFile : resourceFiles) {
+        buildFiles->AddObject(resourceFile);
       }
       resourceBuildPhase->AddAttribute("files", buildFiles);
       resourceBuildPhase->AddAttribute("runOnlyForDeploymentPostprocessing",
@@ -1190,9 +1179,8 @@ bool cmGlobalXCodeGenerator::CreateXCodeTargets(
                                         this->CreateString("2147483647"));
       buildFiles = this->CreateObject(cmXCodeObject::OBJECT_LIST);
       frameworkBuildPhase->AddAttribute("files", buildFiles);
-      for (std::vector<cmXCodeObject*>::iterator i = externalObjFiles.begin();
-           i != externalObjFiles.end(); ++i) {
-        buildFiles->AddObject(*i);
+      for (auto& externalObjFile : externalObjFiles) {
+        buildFiles->AddObject(externalObjFile);
       }
       frameworkBuildPhase->AddAttribute("runOnlyForDeploymentPostprocessing",
                                         this->CreateString("0"));
@@ -1213,14 +1201,13 @@ bool cmGlobalXCodeGenerator::CreateXCodeTargets(
 
 void cmGlobalXCodeGenerator::ForceLinkerLanguages()
 {
-  for (unsigned int i = 0; i < this->LocalGenerators.size(); ++i) {
+  for (auto& localGenerator : this->LocalGenerators) {
     const std::vector<cmGeneratorTarget*>& tgts =
-      this->LocalGenerators[i]->GetGeneratorTargets();
+      localGenerator->GetGeneratorTargets();
     // All targets depend on the build-system check target.
-    for (std::vector<cmGeneratorTarget*>::const_iterator ti = tgts.begin();
-         ti != tgts.end(); ++ti) {
+    for (auto tgt : tgts) {
       // This makes sure all targets link using the proper language.
-      this->ForceLinkerLanguage(*ti);
+      this->ForceLinkerLanguage(tgt);
     }
   }
 }
@@ -1241,9 +1228,8 @@ void cmGlobalXCodeGenerator::ForceLinkerLanguage(cmGeneratorTarget* gtgt)
 
   // If the language is compiled as a source trust Xcode to link with it.
   cmLinkImplementation const* impl = gtgt->GetLinkImplementation("NOCONFIG");
-  for (std::vector<std::string>::const_iterator li = impl->Languages.begin();
-       li != impl->Languages.end(); ++li) {
-    if (*li == llang) {
+  for (auto const& Language : impl->Languages) {
+    if (Language == llang) {
       return;
     }
   }
@@ -1545,16 +1531,15 @@ void cmGlobalXCodeGenerator::CreateCustomRulesMakefile(
   makefileStream << "all: ";
   std::map<const cmCustomCommand*, std::string> tname;
   int count = 0;
-  for (std::vector<cmCustomCommand>::const_iterator i = commands.begin();
-       i != commands.end(); ++i) {
-    cmCustomCommandGenerator ccg(*i, configName, this->CurrentLocalGenerator);
+  for (auto const& command : commands) {
+    cmCustomCommandGenerator ccg(command, configName,
+                                 this->CurrentLocalGenerator);
     if (ccg.GetNumberOfCommands() > 0) {
       const std::vector<std::string>& outputs = ccg.GetOutputs();
       if (!outputs.empty()) {
-        for (std::vector<std::string>::const_iterator o = outputs.begin();
-             o != outputs.end(); ++o) {
+        for (auto const& output : outputs) {
           makefileStream << "\\\n\t"
-                         << this->ConvertToRelativeForMake(o->c_str());
+                         << this->ConvertToRelativeForMake(output.c_str());
         }
       } else {
         std::ostringstream str;
@@ -1565,18 +1550,18 @@ void cmGlobalXCodeGenerator::CreateCustomRulesMakefile(
     }
   }
   makefileStream << "\n\n";
-  for (std::vector<cmCustomCommand>::const_iterator i = commands.begin();
-       i != commands.end(); ++i) {
-    cmCustomCommandGenerator ccg(*i, configName, this->CurrentLocalGenerator);
+  for (auto const& command : commands) {
+    cmCustomCommandGenerator ccg(command, configName,
+                                 this->CurrentLocalGenerator);
     if (ccg.GetNumberOfCommands() > 0) {
       makefileStream << "\n";
       const std::vector<std::string>& outputs = ccg.GetOutputs();
       if (!outputs.empty()) {
         // There is at least one output, start the rule for it
         const char* sep = "";
-        for (std::vector<std::string>::const_iterator oi = outputs.begin();
-             oi != outputs.end(); ++oi) {
-          makefileStream << sep << this->ConvertToRelativeForMake(oi->c_str());
+        for (auto const& output : outputs) {
+          makefileStream << sep
+                         << this->ConvertToRelativeForMake(output.c_str());
           sep = " ";
         }
         makefileStream << ": ";
@@ -1584,11 +1569,9 @@ void cmGlobalXCodeGenerator::CreateCustomRulesMakefile(
         // There are no outputs.  Use the generated force rule name.
         makefileStream << tname[&ccg.GetCC()] << ": ";
       }
-      for (std::vector<std::string>::const_iterator d =
-             ccg.GetDepends().begin();
-           d != ccg.GetDepends().end(); ++d) {
+      for (auto const& d : ccg.GetDepends()) {
         std::string dep;
-        if (this->CurrentLocalGenerator->GetRealDependency(*d, configName,
+        if (this->CurrentLocalGenerator->GetRealDependency(d, configName,
                                                            dep)) {
           makefileStream << "\\\n"
                          << this->ConvertToRelativeForMake(dep.c_str());
@@ -1643,9 +1626,7 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
   std::set<std::string> languages;
   gtgt->GetLanguages(languages, configName);
   std::map<std::string, std::string> cflags;
-  for (std::set<std::string>::iterator li = languages.begin();
-       li != languages.end(); ++li) {
-    std::string const& lang = *li;
+  for (auto const& lang : languages) {
     std::string& flags = cflags[lang];
 
     // Add language-specific flags.
@@ -1741,9 +1722,8 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
     } else {
       cmXCodeObject* archObjects =
         this->CreateObject(cmXCodeObject::OBJECT_LIST);
-      for (std::vector<std::string>::iterator i = archs.begin();
-           i != archs.end(); i++) {
-        archObjects->AddObject(this->CreateString(*i));
+      for (auto& arch : archs) {
+        archObjects->AddObject(this->CreateString(arch));
       }
       buildSettings->AddAttribute("ARCHS", archObjects);
     }
@@ -1968,10 +1948,9 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
   std::set<std::string> emitted;
   emitted.insert("/System/Library/Frameworks");
 
-  for (std::vector<std::string>::iterator i = includes.begin();
-       i != includes.end(); ++i) {
-    if (this->NameResolvesToFramework(*i)) {
-      std::string frameworkDir = *i;
+  for (auto& include : includes) {
+    if (this->NameResolvesToFramework(include)) {
+      std::string frameworkDir = include;
       frameworkDir += "/../";
       frameworkDir = cmSystemTools::CollapseFullPath(frameworkDir);
       if (emitted.insert(frameworkDir).second) {
@@ -1984,9 +1963,9 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
         }
       }
     } else {
-      std::string incpath = this->XCodeEscapePath(*i);
+      std::string incpath = this->XCodeEscapePath(include);
       if (emitSystemIncludes &&
-          gtgt->IsSystemIncludeDirectory(*i, configName)) {
+          gtgt->IsSystemIncludeDirectory(include, configName)) {
         sysdirs.Add(incpath);
       } else {
         dirs.Add(incpath);
@@ -1996,12 +1975,11 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
   // Add framework search paths needed for linking.
   if (cmComputeLinkInformation* cli = gtgt->GetLinkInformation(configName)) {
     std::vector<std::string> const& fwDirs = cli->GetFrameworkPaths();
-    for (std::vector<std::string>::const_iterator fdi = fwDirs.begin();
-         fdi != fwDirs.end(); ++fdi) {
-      if (emitted.insert(*fdi).second) {
-        std::string incpath = this->XCodeEscapePath(*fdi);
+    for (auto const& fwDir : fwDirs) {
+      if (emitted.insert(fwDir).second) {
+        std::string incpath = this->XCodeEscapePath(fwDir);
         if (emitSystemIncludes &&
-            gtgt->IsSystemIncludeDirectory(*fdi, configName)) {
+            gtgt->IsSystemIncludeDirectory(fwDir, configName)) {
           sysfdirs.Add(incpath);
         } else {
           fdirs.Add(incpath);
@@ -2029,13 +2007,12 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
     // system include directory awareness. We need to also keep on setting
     // HEADER_SEARCH_PATHS to work around a missing compile options flag for
     // GNU assembly files (#16449)
-    for (std::set<std::string>::iterator li = languages.begin();
-         li != languages.end(); ++li) {
+    for (auto const& language : languages) {
       std::string includeFlags = this->CurrentLocalGenerator->GetIncludeFlags(
-        includes, gtgt, *li, true, false, configName);
+        includes, gtgt, language, true, false, configName);
 
       if (!includeFlags.empty()) {
-        cflags[*li] += " " + includeFlags;
+        cflags[language] += " " + includeFlags;
       }
     }
   }
@@ -2046,10 +2023,9 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
   std::string optLevel = "0";
 
   // Minimal map of flags to build settings.
-  for (std::set<std::string>::iterator li = languages.begin();
-       li != languages.end(); ++li) {
-    std::string& flags = cflags[*li];
-    std::string& gflag = gflags[*li];
+  for (auto const& language : languages) {
+    std::string& flags = cflags[language];
+    std::string& gflag = gflags[language];
     std::string oflag =
       this->ExtractFlagRegex("(^| )(-Ofast|-Os|-O[0-9]*)( |$)", 2, flags);
     if (oflag.size() == 2) {
@@ -2074,10 +2050,9 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
   if (!same_gflags) {
     // We can't set the Xcode flag differently depending on the language,
     // so put them back in this case.
-    for (std::set<std::string>::iterator li = languages.begin();
-         li != languages.end(); ++li) {
-      cflags[*li] += " ";
-      cflags[*li] += gflags[*li];
+    for (auto const& language : languages) {
+      cflags[language] += " ";
+      cflags[language] += gflags[language];
     }
     debugStr = "NO";
   } else if (last_gflag && (last_gflag->empty() || *last_gflag == "-g0")) {
@@ -2094,18 +2069,17 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
                               this->CreateString("NO"));
   buildSettings->AddAttribute("GCC_INLINES_ARE_PRIVATE_EXTERN",
                               this->CreateString("NO"));
-  for (std::set<std::string>::iterator li = languages.begin();
-       li != languages.end(); ++li) {
-    std::string flags = cflags[*li] + " " + defFlags;
-    if (*li == "CXX") {
+  for (auto const& language : languages) {
+    std::string flags = cflags[language] + " " + defFlags;
+    if (language == "CXX") {
       buildSettings->AddAttribute("OTHER_CPLUSPLUSFLAGS",
                                   this->CreateString(flags));
-    } else if (*li == "Fortran") {
+    } else if (language == "Fortran") {
       buildSettings->AddAttribute("IFORT_OTHER_FLAGS",
                                   this->CreateString(flags));
-    } else if (*li == "C") {
+    } else if (language == "C") {
       buildSettings->AddAttribute("OTHER_CFLAGS", this->CreateString(flags));
-    } else if (*li == "Swift") {
+    } else if (language == "Swift") {
       buildSettings->AddAttribute("OTHER_SWIFT_FLAGS",
                                   this->CreateString(flags));
     }
@@ -2229,15 +2203,14 @@ void cmGlobalXCodeGenerator::CreateBuildSettings(cmGeneratorTarget* gtgt,
   // Convert "XCODE_ATTRIBUTE_*" properties directly.
   {
     std::vector<std::string> const& props = gtgt->GetPropertyKeys();
-    for (std::vector<std::string>::const_iterator i = props.begin();
-         i != props.end(); ++i) {
-      if (i->find("XCODE_ATTRIBUTE_") == 0) {
-        std::string attribute = i->substr(16);
+    for (auto const& prop : props) {
+      if (prop.find("XCODE_ATTRIBUTE_") == 0) {
+        std::string attribute = prop.substr(16);
         this->FilterConfigurationAttribute(configName, attribute);
         if (!attribute.empty()) {
           cmGeneratorExpression ge;
           std::string processed =
-            ge.Parse(gtgt->GetProperty(*i))
+            ge.Parse(gtgt->GetProperty(prop))
               ->Evaluate(this->CurrentLocalGenerator, configName);
           buildSettings->AddAttribute(attribute,
                                       this->CreateString(processed));
@@ -2325,15 +2298,15 @@ std::string cmGlobalXCodeGenerator::AddConfigurations(cmXCodeObject* target,
   configlist->SetComment(comment);
   target->AddAttribute("buildConfigurationList",
                        this->CreateObjectReference(configlist));
-  for (unsigned int i = 0; i < configVector.size(); ++i) {
+  for (auto const& i : configVector) {
     cmXCodeObject* config =
       this->CreateObject(cmXCodeObject::XCBuildConfiguration);
     buildConfigurations->AddObject(config);
     cmXCodeObject* buildSettings =
       this->CreateObject(cmXCodeObject::ATTRIBUTE_GROUP);
-    this->CreateBuildSettings(gtgt, buildSettings, configVector[i]);
-    config->AddAttribute("name", this->CreateString(configVector[i]));
-    config->SetComment(configVector[i]);
+    this->CreateBuildSettings(gtgt, buildSettings, i);
+    config->AddAttribute("name", this->CreateString(i));
+    config->SetComment(i);
     config->AddAttribute("buildSettings", buildSettings);
   }
   if (!configVector.empty()) {
@@ -2562,15 +2535,14 @@ void cmGlobalXCodeGenerator::AppendBuildSettingAttribute(
   std::vector<cmXCodeObject*> list = buildConfigs->GetObjectList();
   // each configuration and the target itself has a buildSettings in it
   // list.push_back(target);
-  for (std::vector<cmXCodeObject*>::iterator i = list.begin(); i != list.end();
-       ++i) {
+  for (auto& i : list) {
     if (!configName.empty()) {
-      if ((*i)->GetObject("name")->GetString() == configName) {
-        cmXCodeObject* settings = (*i)->GetObject("buildSettings");
+      if (i->GetObject("name")->GetString() == configName) {
+        cmXCodeObject* settings = i->GetObject("buildSettings");
         this->AppendOrAddBuildSetting(settings, attribute, value);
       }
     } else {
-      cmXCodeObject* settings = (*i)->GetObject("buildSettings");
+      cmXCodeObject* settings = i->GetObject("buildSettings");
       this->AppendOrAddBuildSetting(settings, attribute, value);
     }
   }
@@ -2589,20 +2561,15 @@ void cmGlobalXCodeGenerator::AddDependAndLinkInformation(cmXCodeObject* target)
 
   // Add dependencies on other CMake targets.
   TargetDependSet const& deps = this->GetTargetDirectDepends(gt);
-  for (TargetDependSet::const_iterator i = deps.begin(); i != deps.end();
-       ++i) {
-    if (cmXCodeObject* dptarget = this->FindXCodeTarget(*i)) {
+  for (auto dep : deps) {
+    if (cmXCodeObject* dptarget = this->FindXCodeTarget(dep)) {
       this->AddDependTarget(target, dptarget);
     }
   }
 
   // Loop over configuration types and set per-configuration info.
-  for (std::vector<std::string>::iterator i =
-         this->CurrentConfigurationTypes.begin();
-       i != this->CurrentConfigurationTypes.end(); ++i) {
+  for (auto const& configName : this->CurrentConfigurationTypes) {
     // Get the current configuration name.
-    std::string configName = *i;
-
     if (this->XcodeVersion >= 50) {
       // Add object library contents as link flags.
       std::string linkObjs;
@@ -2638,9 +2605,8 @@ void cmGlobalXCodeGenerator::AddDependAndLinkInformation(cmXCodeObject* target)
     // Add dependencies directly on library files.
     {
       std::vector<std::string> const& libDeps = cli.GetDepends();
-      for (std::vector<std::string>::const_iterator j = libDeps.begin();
-           j != libDeps.end(); ++j) {
-        target->AddDependLibrary(configName, *j);
+      for (auto const& libDep : libDeps) {
+        target->AddDependLibrary(configName, libDep);
       }
     }
 
@@ -2648,16 +2614,15 @@ void cmGlobalXCodeGenerator::AddDependAndLinkInformation(cmXCodeObject* target)
     {
       std::vector<std::string> const& libDirs = cli.GetDirectories();
       std::string linkDirs;
-      for (std::vector<std::string>::const_iterator libDir = libDirs.begin();
-           libDir != libDirs.end(); ++libDir) {
-        if (!libDir->empty() && *libDir != "/usr/lib") {
+      for (auto const& libDir : libDirs) {
+        if (!libDir.empty() && libDir != "/usr/lib") {
           // Now add the same one but append
           // $(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME) to it:
           linkDirs += " ";
           linkDirs += this->XCodeEscapePath(
-            *libDir + "/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)");
+            libDir + "/$(CONFIGURATION)$(EFFECTIVE_PLATFORM_NAME)");
           linkDirs += " ";
-          linkDirs += this->XCodeEscapePath(*libDir);
+          linkDirs += this->XCodeEscapePath(libDir);
         }
       }
       this->AppendBuildSettingAttribute(target, "LIBRARY_SEARCH_PATHS",
@@ -2670,18 +2635,18 @@ void cmGlobalXCodeGenerator::AddDependAndLinkInformation(cmXCodeObject* target)
       const char* sep = "";
       typedef cmComputeLinkInformation::ItemVector ItemVector;
       ItemVector const& libNames = cli.GetItems();
-      for (ItemVector::const_iterator li = libNames.begin();
-           li != libNames.end(); ++li) {
+      for (auto const& libName : libNames) {
         linkLibs += sep;
         sep = " ";
-        if (li->IsPath) {
-          linkLibs += this->XCodeEscapePath(li->Value);
-        } else if (!li->Target ||
-                   li->Target->GetType() != cmStateEnums::INTERFACE_LIBRARY) {
-          linkLibs += li->Value;
+        if (libName.IsPath) {
+          linkLibs += this->XCodeEscapePath(libName.Value);
+        } else if (!libName.Target ||
+                   libName.Target->GetType() !=
+                     cmStateEnums::INTERFACE_LIBRARY) {
+          linkLibs += libName.Value;
         }
-        if (li->Target && !li->Target->IsImported()) {
-          target->AddDependTarget(configName, li->Target->GetName());
+        if (libName.Target && !libName.Target->IsImported()) {
+          target->AddDependTarget(configName, libName.Target->GetName());
         }
       }
       this->AppendBuildSettingAttribute(
@@ -2693,15 +2658,12 @@ void cmGlobalXCodeGenerator::AddDependAndLinkInformation(cmXCodeObject* target)
 bool cmGlobalXCodeGenerator::CreateGroups(
   std::vector<cmLocalGenerator*>& generators)
 {
-  for (std::vector<cmLocalGenerator*>::iterator i = generators.begin();
-       i != generators.end(); ++i) {
-    cmMakefile* mf = (*i)->GetMakefile();
+  for (auto& generator : generators) {
+    cmMakefile* mf = generator->GetMakefile();
     std::vector<cmSourceGroup> sourceGroups = mf->GetSourceGroups();
-    const std::vector<cmGeneratorTarget*>& tgts = (*i)->GetGeneratorTargets();
-    for (std::vector<cmGeneratorTarget*>::const_iterator l = tgts.begin();
-         l != tgts.end(); l++) {
-      cmGeneratorTarget* gtgt = *l;
-
+    const std::vector<cmGeneratorTarget*>& tgts =
+      generator->GetGeneratorTargets();
+    for (auto gtgt : tgts) {
       // Same skipping logic here as in CreateXCodeTargets so that we do not
       // end up with (empty anyhow) ALL_BUILD and XCODE_DEPEND_HELPER source
       // groups:
@@ -2725,10 +2687,8 @@ bool cmGlobalXCodeGenerator::CreateGroups(
         gtgt->GetAllConfigSources();
 
       // Put cmSourceFile instances in proper groups:
-      for (std::vector<cmGeneratorTarget::AllConfigSource>::const_iterator si =
-             sources.begin();
-           si != sources.end(); ++si) {
-        cmSourceFile const* sf = si->Source;
+      for (auto const& si : sources) {
+        cmSourceFile const* sf = si.Source;
         if (this->XcodeVersion >= 50 && !sf->GetObjectLibrary().empty()) {
           // Object library files go on the link line instead.
           continue;
@@ -2824,13 +2784,13 @@ cmXCodeObject* cmGlobalXCodeGenerator::CreateOrGetPBXGroup(
       cmSystemTools::tokenize(sg->GetFullName(), "\\");
     std::string curr_folder = target;
     curr_folder += "/";
-    for (std::vector<std::string>::size_type i = 0; i < folders.size(); i++) {
-      curr_folder += folders[i];
+    for (auto const& folder : folders) {
+      curr_folder += folder;
       std::map<std::string, cmXCodeObject*>::iterator i_folder =
         this->GroupNameMap.find(curr_folder);
       // Create new folder
       if (i_folder == this->GroupNameMap.end()) {
-        cmXCodeObject* group = this->CreatePBXGroup(tgroup, folders[i]);
+        cmXCodeObject* group = this->CreatePBXGroup(tgroup, folder);
         this->GroupNameMap[curr_folder] = group;
         tgroup = group;
       } else {
@@ -2854,10 +2814,10 @@ bool cmGlobalXCodeGenerator::CreateXCodeObjects(
   cmXCodeObject* group = this->CreateObject(cmXCodeObject::ATTRIBUTE_GROUP);
   group->AddAttribute("COPY_PHASE_STRIP", this->CreateString("NO"));
   cmXCodeObject* listObjs = this->CreateObject(cmXCodeObject::OBJECT_LIST);
-  for (unsigned int i = 0; i < this->CurrentConfigurationTypes.size(); ++i) {
+  for (auto& CurrentConfigurationType : this->CurrentConfigurationTypes) {
     cmXCodeObject* buildStyle =
       this->CreateObject(cmXCodeObject::PBXBuildStyle);
-    const char* name = this->CurrentConfigurationTypes[i].c_str();
+    const char* name = CurrentConfigurationType.c_str();
     buildStyle->AddAttribute("name", this->CreateString(name));
     buildStyle->SetComment(name);
     cmXCodeObject* sgroup = this->CreateObject(cmXCodeObject::ATTRIBUTE_GROUP);
@@ -2939,8 +2899,8 @@ bool cmGlobalXCodeGenerator::CreateXCodeObjects(
     config->AddAttribute("name", this->CreateString(name));
     configs.push_back(std::make_pair(name, config));
   }
-  for (Configs::iterator c = configs.begin(); c != configs.end(); ++c) {
-    buildConfigurations->AddObject(c->second);
+  for (auto& config : configs) {
+    buildConfigurations->AddObject(config.second);
   }
   configlist->AddAttribute("buildConfigurations", buildConfigurations);
 
@@ -2998,7 +2958,7 @@ bool cmGlobalXCodeGenerator::CreateXCodeObjects(
   symroot += "/build";
   buildSettings->AddAttribute("SYMROOT", this->CreateString(symroot));
 
-  for (Configs::iterator i = configs.begin(); i != configs.end(); ++i) {
+  for (auto& config : configs) {
     cmXCodeObject* buildSettingsForCfg = this->CreateFlatClone(buildSettings);
 
     // Put this last so it can override existing settings
@@ -3008,43 +2968,38 @@ bool cmGlobalXCodeGenerator::CreateXCodeObjects(
          d != vars.end(); ++d) {
       if (d->find("CMAKE_XCODE_ATTRIBUTE_") == 0) {
         std::string attribute = d->substr(22);
-        this->FilterConfigurationAttribute(i->first, attribute);
+        this->FilterConfigurationAttribute(config.first, attribute);
         if (!attribute.empty()) {
           cmGeneratorExpression ge;
           std::string processed =
             ge.Parse(this->CurrentMakefile->GetDefinition(*d))
-              ->Evaluate(this->CurrentLocalGenerator, i->first);
+              ->Evaluate(this->CurrentLocalGenerator, config.first);
           buildSettingsForCfg->AddAttribute(attribute,
                                             this->CreateString(processed));
         }
       }
     }
     // store per-config buildSettings into configuration object
-    i->second->AddAttribute("buildSettings", buildSettingsForCfg);
+    config.second->AddAttribute("buildSettings", buildSettingsForCfg);
   }
 
   this->RootObject->AddAttribute("buildConfigurationList",
                                  this->CreateObjectReference(configlist));
 
   std::vector<cmXCodeObject*> targets;
-  for (std::vector<cmLocalGenerator*>::iterator i = generators.begin();
-       i != generators.end(); ++i) {
-    if (!this->CreateXCodeTargets(*i, targets)) {
+  for (auto& generator : generators) {
+    if (!this->CreateXCodeTargets(generator, targets)) {
       return false;
     }
   }
   // loop over all targets and add link and depend info
-  for (std::vector<cmXCodeObject*>::iterator i = targets.begin();
-       i != targets.end(); ++i) {
-    cmXCodeObject* t = *i;
+  for (auto t : targets) {
     this->AddDependAndLinkInformation(t);
   }
   this->CreateXCodeDependHackTarget(targets);
   // now add all targets to the root object
   cmXCodeObject* allTargets = this->CreateObject(cmXCodeObject::OBJECT_LIST);
-  for (std::vector<cmXCodeObject*>::iterator i = targets.begin();
-       i != targets.end(); ++i) {
-    cmXCodeObject* t = *i;
+  for (auto t : targets) {
     allTargets->AddObject(t);
     cmXCodeObject* productRef = t->GetObject("productReference");
     if (productRef) {
@@ -3137,9 +3092,7 @@ void cmGlobalXCodeGenerator::CreateXCodeDependHackTarget(
          this->CurrentConfigurationTypes.begin();
        ct != this->CurrentConfigurationTypes.end(); ++ct) {
     std::string configName = *ct;
-    for (std::vector<cmXCodeObject*>::iterator i = targets.begin();
-         i != targets.end(); ++i) {
-      cmXCodeObject* target = *i;
+    for (auto target : targets) {
       cmGeneratorTarget* gt = target->GetTarget();
 
       if (gt->GetType() == cmStateEnums::EXECUTABLE ||
@@ -3164,9 +3117,8 @@ void cmGlobalXCodeGenerator::CreateXCodeDependHackTarget(
           target->GetDependTargets().find(*ct);
         if (y != target->GetDependTargets().end()) {
           std::vector<std::string> const& deptgts = y->second;
-          for (std::vector<std::string>::const_iterator d = deptgts.begin();
-               d != deptgts.end(); ++d) {
-            makefileStream << this->PostBuildMakeTarget(*d, *ct) << ": "
+          for (auto const& deptgt : deptgts) {
+            makefileStream << this->PostBuildMakeTarget(deptgt, *ct) << ": "
                            << trel << "\n";
           }
         }
@@ -3188,9 +3140,8 @@ void cmGlobalXCodeGenerator::CreateXCodeDependHackTarget(
           target->GetDependLibraries().find(*ct);
         if (x != target->GetDependLibraries().end()) {
           std::vector<std::string> const& deplibs = x->second;
-          for (std::vector<std::string>::const_iterator d = deplibs.begin();
-               d != deplibs.end(); ++d) {
-            std::string file = this->ConvertToRelativeForMake(d->c_str());
+          for (auto const& deplib : deplibs) {
+            std::string file = this->ConvertToRelativeForMake(deplib.c_str());
             makefileStream << "\\\n\t" << file;
             dummyRules.insert(file);
           }
@@ -3222,11 +3173,9 @@ void cmGlobalXCodeGenerator::CreateXCodeDependHackTarget(
         if (this->Architectures.size() > 1) {
           std::string universal = this->GetObjectsNormalDirectory(
             this->CurrentProject, configName, gt);
-          for (std::vector<std::string>::iterator arch =
-                 this->Architectures.begin();
-               arch != this->Architectures.end(); ++arch) {
+          for (auto& architecture : this->Architectures) {
             std::string universalFile = universal;
-            universalFile += *arch;
+            universalFile += architecture;
             universalFile += "/";
             universalFile += gt->GetFullName(configName);
             makefileStream << "\t/bin/rm -f "
@@ -3243,9 +3192,8 @@ void cmGlobalXCodeGenerator::CreateXCodeDependHackTarget(
   makefileStream << "\n\n"
                  << "# For each target create a dummy rule"
                  << "so the target does not have to exist\n";
-  for (std::set<std::string>::const_iterator it = dummyRules.begin();
-       it != dummyRules.end(); ++it) {
-    makefileStream << *it << ":\n";
+  for (auto const& dummyRule : dummyRules) {
+    makefileStream << dummyRule << ":\n";
   }
 }
 
@@ -3256,9 +3204,8 @@ void cmGlobalXCodeGenerator::OutputXCodeProject(
     return;
   }
   // Skip local generators that are excluded from this project.
-  for (std::vector<cmLocalGenerator*>::iterator g = generators.begin();
-       g != generators.end(); ++g) {
-    if (this->IsExcluded(root, *g)) {
+  for (auto& generator : generators) {
+    if (this->IsExcluded(root, generator)) {
       continue;
     }
   }
@@ -3511,11 +3458,10 @@ void cmGlobalXCodeGenerator::AppendDefines(
 {
   // GCC_PREPROCESSOR_DEFINITIONS is a space-separated list of definitions.
   std::string def;
-  for (std::vector<std::string>::const_iterator di = defines.begin();
-       di != defines.end(); ++di) {
+  for (auto const& define : defines) {
     // Start with -D if requested.
     def = dflag ? "-D" : "";
-    def += *di;
+    def += define;
 
     // Append the flag with needed escapes.
     std::string tmp;
diff --git a/Source/cmLocalXCodeGenerator.cxx b/Source/cmLocalXCodeGenerator.cxx
index 355c394..853e66c 100644
--- a/Source/cmLocalXCodeGenerator.cxx
+++ b/Source/cmLocalXCodeGenerator.cxx
@@ -43,9 +43,8 @@ void cmLocalXCodeGenerator::Generate()
   cmLocalGenerator::Generate();
 
   const std::vector<cmGeneratorTarget*>& targets = this->GetGeneratorTargets();
-  for (std::vector<cmGeneratorTarget*>::const_iterator iter = targets.begin();
-       iter != targets.end(); ++iter) {
-    (*iter)->HasMacOSXRpathInstallNameDir("");
+  for (auto target : targets) {
+    target->HasMacOSXRpathInstallNameDir("");
   }
 }
 
@@ -54,9 +53,8 @@ void cmLocalXCodeGenerator::GenerateInstallRules()
   cmLocalGenerator::GenerateInstallRules();
 
   const std::vector<cmGeneratorTarget*>& targets = this->GetGeneratorTargets();
-  for (std::vector<cmGeneratorTarget*>::const_iterator iter = targets.begin();
-       iter != targets.end(); ++iter) {
-    (*iter)->HasMacOSXRpathInstallNameDir("");
+  for (auto target : targets) {
+    target->HasMacOSXRpathInstallNameDir("");
   }
 }
 
@@ -69,10 +67,8 @@ void cmLocalXCodeGenerator::ComputeObjectFilenames(
   // to avoid exact duplicate file names. Note that Mac file names are not
   // typically case sensitive, hence the LowerCase.
   std::map<std::string, int> counts;
-  for (std::map<cmSourceFile const*, std::string>::iterator si =
-         mapping.begin();
-       si != mapping.end(); ++si) {
-    cmSourceFile const* sf = si->first;
+  for (auto& si : mapping) {
+    cmSourceFile const* sf = si.first;
     std::string objectName =
       cmSystemTools::GetFilenameWithoutLastExtension(sf->GetFullPath());
     objectName += ".o";
@@ -82,6 +78,6 @@ void cmLocalXCodeGenerator::ComputeObjectFilenames(
     if (2 == counts[objectNameLower]) {
       // TODO: emit warning about duplicate name?
     }
-    si->second = objectName;
+    si.second = objectName;
   }
 }
diff --git a/Source/cmMachO.cxx b/Source/cmMachO.cxx
index 8002175..7294c1c 100644
--- a/Source/cmMachO.cxx
+++ b/Source/cmMachO.cxx
@@ -251,8 +251,7 @@ cmMachOInternal::cmMachOInternal(const char* fname)
     }
 
     // parse each Mach-O file
-    for (size_t i = 0; i < this->FatArchs.size(); i++) {
-      const fat_arch& arch = this->FatArchs[i];
+    for (const auto& arch : this->FatArchs) {
       if (!this->read_mach_o(OSSwapBigToHostInt32(arch.offset))) {
         return;
       }
@@ -265,8 +264,8 @@ cmMachOInternal::cmMachOInternal(const char* fname)
 
 cmMachOInternal::~cmMachOInternal()
 {
-  for (size_t i = 0; i < this->MachOList.size(); i++) {
-    delete this->MachOList[i];
+  for (auto& i : this->MachOList) {
+    delete i;
   }
 }
 
diff --git a/Source/cmXCode21Object.cxx b/Source/cmXCode21Object.cxx
index 719e627..a9bb2ef 100644
--- a/Source/cmXCode21Object.cxx
+++ b/Source/cmXCode21Object.cxx
@@ -34,9 +34,7 @@ void cmXCode21Object::PrintList(std::vector<cmXCodeObject*> const& v,
                                 std::ostream& out, PBXType t)
 {
   bool hasOne = false;
-  for (std::vector<cmXCodeObject*>::const_iterator i = v.begin(); i != v.end();
-       ++i) {
-    cmXCodeObject* obj = *i;
+  for (auto obj : v) {
     if (obj->GetType() == OBJECT && obj->GetIsA() == t) {
       hasOne = true;
       break;
@@ -46,9 +44,7 @@ void cmXCode21Object::PrintList(std::vector<cmXCodeObject*> const& v,
     return;
   }
   out << "\n/* Begin " << PBXTypeNames[t] << " section */\n";
-  for (std::vector<cmXCodeObject*>::const_iterator i = v.begin(); i != v.end();
-       ++i) {
-    cmXCodeObject* obj = *i;
+  for (auto obj : v) {
     if (obj->GetType() == OBJECT && obj->GetIsA() == t) {
       obj->Print(out);
     }
diff --git a/Source/cmXCodeObject.cxx b/Source/cmXCodeObject.cxx
index 356ebd0..e0ed445 100644
--- a/Source/cmXCodeObject.cxx
+++ b/Source/cmXCodeObject.cxx
@@ -203,9 +203,9 @@ void cmXCodeObject::PrintList(std::vector<cmXCodeObject*> const& objs,
 {
   cmXCodeObject::Indent(1, out);
   out << "objects = {\n";
-  for (unsigned int i = 0; i < objs.size(); ++i) {
-    if (objs[i]->TypeValue == OBJECT) {
-      objs[i]->Print(out);
+  for (auto obj : objs) {
+    if (obj->TypeValue == OBJECT) {
+      obj->Print(out);
     }
   }
   cmXCodeObject::Indent(1, out);
diff --git a/Source/cmXCodeObject.h b/Source/cmXCodeObject.h
index 22ec61b..b0f1d31 100644
--- a/Source/cmXCodeObject.h
+++ b/Source/cmXCodeObject.h
@@ -119,9 +119,7 @@ public:
   // search the attribute list for an object of the specified type
   cmXCodeObject* GetObject(cmXCodeObject::PBXType t) const
   {
-    for (std::vector<cmXCodeObject*>::const_iterator i = this->List.begin();
-         i != this->List.end(); ++i) {
-      cmXCodeObject* o = *i;
+    for (auto o : this->List) {
       if (o->IsA == t) {
         return o;
       }
diff --git a/Source/cmXCodeScheme.cxx b/Source/cmXCodeScheme.cxx
index 98e814b..29de35e 100644
--- a/Source/cmXCodeScheme.cxx
+++ b/Source/cmXCodeScheme.cxx
@@ -104,12 +104,11 @@ void cmXCodeScheme::WriteTestAction(cmXMLWriter& xout,
   xout.Attribute("shouldUseLaunchSchemeArgsEnv", "YES");
 
   xout.StartElement("Testables");
-  for (TestObjects::const_iterator it = this->Tests.begin();
-       it != this->Tests.end(); ++it) {
+  for (auto test : this->Tests) {
     xout.StartElement("TestableReference");
     xout.BreakAttributes();
     xout.Attribute("skipped", "NO");
-    WriteBuildableReference(xout, *it, container);
+    WriteBuildableReference(xout, test, container);
     xout.EndElement(); // TestableReference
   }
   xout.EndElement();