Modernize: Use ranged for-loops when possible

Replaced most manual `const_iterator`-based loops and some
reverse-iterator loops with range loops.

Fixes: #18858

46 files changed, 317 insertions, 416 deletions

diff --git a/Source/CPack/cmCPackCygwinBinaryGenerator.cxx b/Source/CPack/cmCPackCygwinBinaryGenerator.cxx
index 2119f78..49a9f15 100644
--- a/Source/CPack/cmCPackCygwinBinaryGenerator.cxx
+++ b/Source/CPack/cmCPackCygwinBinaryGenerator.cxx
@@ -44,10 +44,9 @@ int cmCPackCygwinBinaryGenerator::PackageFiles()
   // to create the file before the super class is called
   {
     cmGeneratedFileStream ofs(manifestFile.c_str());
-    for (std::vector<std::string>::const_iterator i = files.begin();
-         i != files.end(); ++i) {
+    for (std::string const& file : files) {
       // remove the temp dir and replace with /usr
-      ofs << (*i).substr(tempdir.size()) << "\n";
+      ofs << file.substr(tempdir.size()) << "\n";
     }
     ofs << manifest << "\n";
   }
diff --git a/Source/CPack/cmCPackPKGGenerator.cxx b/Source/CPack/cmCPackPKGGenerator.cxx
index ae227aa..d54ab56 100644
--- a/Source/CPack/cmCPackPKGGenerator.cxx
+++ b/Source/CPack/cmCPackPKGGenerator.cxx
@@ -66,21 +66,17 @@ void cmCPackPKGGenerator::WriteDistributionFile(const char* metapackageFile)
   xout.StartElement("choices-outline");
 
   // Emit the outline for the groups
-  std::map<std::string, cmCPackComponentGroup>::iterator groupIt;
-  for (groupIt = this->ComponentGroups.begin();
-       groupIt != this->ComponentGroups.end(); ++groupIt) {
-    if (groupIt->second.ParentGroup == nullptr) {
-      CreateChoiceOutline(groupIt->second, xout);
+  for (auto const& group : this->ComponentGroups) {
+    if (group.second.ParentGroup == nullptr) {
+      CreateChoiceOutline(group.second, xout);
     }
   }
 
   // Emit the outline for the non-grouped components
-  std::map<std::string, cmCPackComponent>::iterator compIt;
-  for (compIt = this->Components.begin(); compIt != this->Components.end();
-       ++compIt) {
-    if (!compIt->second.Group) {
+  for (auto const& comp : this->Components) {
+    if (!comp.second.Group) {
       xout.StartElement("line");
-      xout.Attribute("choice", compIt->first + "Choice");
+      xout.Attribute("choice", comp.first + "Choice");
       xout.Content(""); // Avoid self-closing tag.
       xout.EndElement();
     }
@@ -94,13 +90,11 @@ void cmCPackPKGGenerator::WriteDistributionFile(const char* metapackageFile)
   xout.EndElement(); // choices-outline>
 
   // Create the actual choices
-  for (groupIt = this->ComponentGroups.begin();
-       groupIt != this->ComponentGroups.end(); ++groupIt) {
-    CreateChoice(groupIt->second, xout);
+  for (auto const& group : this->ComponentGroups) {
+    CreateChoice(group.second, xout);
   }
-  for (compIt = this->Components.begin(); compIt != this->Components.end();
-       ++compIt) {
-    CreateChoice(compIt->second, xout);
+  for (auto const& comp : this->Components) {
+    CreateChoice(comp.second, xout);
   }
 
   if (!this->PostFlightComponent.Name.empty()) {
@@ -119,17 +113,13 @@ void cmCPackPKGGenerator::CreateChoiceOutline(
 {
   xout.StartElement("line");
   xout.Attribute("choice", group.Name + "Choice");
-  std::vector<cmCPackComponentGroup*>::const_iterator groupIt;
-  for (groupIt = group.Subgroups.begin(); groupIt != group.Subgroups.end();
-       ++groupIt) {
-    CreateChoiceOutline(**groupIt, xout);
+  for (cmCPackComponentGroup* subgroup : group.Subgroups) {
+    CreateChoiceOutline(*subgroup, xout);
   }
 
-  std::vector<cmCPackComponent*>::const_iterator compIt;
-  for (compIt = group.Components.begin(); compIt != group.Components.end();
-       ++compIt) {
+  for (cmCPackComponent* comp : group.Components) {
     xout.StartElement("line");
-    xout.Attribute("choice", (*compIt)->Name + "Choice");
+    xout.Attribute("choice", comp->Name + "Choice");
     xout.Content(""); // Avoid self-closing tag.
     xout.EndElement();
   }
@@ -238,11 +228,9 @@ void cmCPackPKGGenerator::AddDependencyAttributes(
   }
   visited.insert(&component);
 
-  std::vector<cmCPackComponent*>::const_iterator dependIt;
-  for (dependIt = component.Dependencies.begin();
-       dependIt != component.Dependencies.end(); ++dependIt) {
-    out << " && choices['" << (*dependIt)->Name << "Choice'].selected";
-    AddDependencyAttributes(**dependIt, visited, out);
+  for (cmCPackComponent* depend : component.Dependencies) {
+    out << " && choices['" << depend->Name << "Choice'].selected";
+    AddDependencyAttributes(*depend, visited, out);
   }
 }
 
@@ -255,11 +243,9 @@ void cmCPackPKGGenerator::AddReverseDependencyAttributes(
   }
   visited.insert(&component);
 
-  std::vector<cmCPackComponent*>::const_iterator dependIt;
-  for (dependIt = component.ReverseDependencies.begin();
-       dependIt != component.ReverseDependencies.end(); ++dependIt) {
-    out << " || choices['" << (*dependIt)->Name << "Choice'].selected";
-    AddReverseDependencyAttributes(**dependIt, visited, out);
+  for (cmCPackComponent* depend : component.ReverseDependencies) {
+    out << " || choices['" << depend->Name << "Choice'].selected";
+    AddReverseDependencyAttributes(*depend, visited, out);
   }
 }
 
diff --git a/Source/CTest/cmCTestMultiProcessHandler.cxx b/Source/CTest/cmCTestMultiProcessHandler.cxx
index 756ac6c..63c2fcc 100644
--- a/Source/CTest/cmCTestMultiProcessHandler.cxx
+++ b/Source/CTest/cmCTestMultiProcessHandler.cxx
@@ -3,6 +3,7 @@
 #include "cmCTestMultiProcessHandler.h"
 
 #include "cmAffinity.h"
+#include "cmAlgorithms.h"
 #include "cmCTest.h"
 #include "cmCTestRunTest.h"
 #include "cmCTestTestHandler.h"
@@ -651,9 +652,7 @@ void cmCTestMultiProcessHandler::CreateParallelTestCostList()
 
   // Reverse iterate over the different dependency levels (deepest first).
   // Sort tests within each level by COST and append them to the cost list.
-  for (std::list<TestSet>::reverse_iterator i = priorityStack.rbegin();
-       i != priorityStack.rend(); ++i) {
-    TestSet const& currentSet = *i;
+  for (TestSet const& currentSet : cmReverseRange(priorityStack)) {
     TestComparator comp(this);
 
     TestList sortedCopy;
diff --git a/Source/CTest/cmCTestP4.cxx b/Source/CTest/cmCTestP4.cxx
index 435be97..ac4753c 100644
--- a/Source/CTest/cmCTestP4.cxx
+++ b/Source/CTest/cmCTestP4.cxx
@@ -2,6 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmCTestP4.h"
 
+#include "cmAlgorithms.h"
 #include "cmCTest.h"
 #include "cmCTestVC.h"
 #include "cmProcessTools.h"
@@ -425,12 +426,11 @@ bool cmCTestP4::LoadRevisions()
 
   // p4 describe -s ...@1111111,2222222
   std::vector<char const*> p4_describe;
-  for (std::vector<std::string>::reverse_iterator i = ChangeLists.rbegin();
-       i != ChangeLists.rend(); ++i) {
+  for (std::string const& i : cmReverseRange(ChangeLists)) {
     SetP4Options(p4_describe);
     p4_describe.push_back("describe");
     p4_describe.push_back("-s");
-    p4_describe.push_back(i->c_str());
+    p4_describe.push_back(i.c_str());
     p4_describe.push_back(nullptr);
 
     DescribeParser outDescribe(this, "p4_describe-out> ");
diff --git a/Source/CursesDialog/cmCursesLongMessageForm.cxx b/Source/CursesDialog/cmCursesLongMessageForm.cxx
index a41d051..4e887d6 100644
--- a/Source/CursesDialog/cmCursesLongMessageForm.cxx
+++ b/Source/CursesDialog/cmCursesLongMessageForm.cxx
@@ -19,9 +19,8 @@ cmCursesLongMessageForm::cmCursesLongMessageForm(
   std::vector<std::string> const& messages, const char* title)
 {
   // Append all messages into on big string
-  std::vector<std::string>::const_iterator it;
-  for (it = messages.begin(); it != messages.end(); it++) {
-    this->Messages += (*it);
+  for (std::string const& message : messages) {
+    this->Messages += message;
     // Add one blank line after each message
     this->Messages += "\n\n";
   }
diff --git a/Source/CursesDialog/cmCursesMainForm.cxx b/Source/CursesDialog/cmCursesMainForm.cxx
index 8ca7802..b9a7c85 100644
--- a/Source/CursesDialog/cmCursesMainForm.cxx
+++ b/Source/CursesDialog/cmCursesMainForm.cxx
@@ -107,10 +107,9 @@ void cmCursesMainForm::InitializeUI()
   // Count non-internal and non-static entries
   int count = 0;
 
-  for (std::vector<std::string>::const_iterator it = cacheKeys.begin();
-       it != cacheKeys.end(); ++it) {
+  for (std::string const& key : cacheKeys) {
     cmStateEnums::CacheEntryType t =
-      this->CMakeInstance->GetState()->GetCacheEntryType(*it);
+      this->CMakeInstance->GetState()->GetCacheEntryType(key);
     if (t != cmStateEnums::INTERNAL && t != cmStateEnums::STATIC &&
         t != cmStateEnums::UNINITIALIZED) {
       ++count;
@@ -130,11 +129,9 @@ void cmCursesMainForm::InitializeUI()
     // Create the composites.
 
     // First add entries which are new
-    for (std::vector<std::string>::const_iterator it = cacheKeys.begin();
-         it != cacheKeys.end(); ++it) {
-      std::string key = *it;
+    for (std::string const& key : cacheKeys) {
       cmStateEnums::CacheEntryType t =
-        this->CMakeInstance->GetState()->GetCacheEntryType(*it);
+        this->CMakeInstance->GetState()->GetCacheEntryType(key);
       if (t == cmStateEnums::INTERNAL || t == cmStateEnums::STATIC ||
           t == cmStateEnums::UNINITIALIZED) {
         continue;
@@ -148,11 +145,9 @@ void cmCursesMainForm::InitializeUI()
     }
 
     // then add entries which are old
-    for (std::vector<std::string>::const_iterator it = cacheKeys.begin();
-         it != cacheKeys.end(); ++it) {
-      std::string key = *it;
+    for (std::string const& key : cacheKeys) {
       cmStateEnums::CacheEntryType t =
-        this->CMakeInstance->GetState()->GetCacheEntryType(*it);
+        this->CMakeInstance->GetState()->GetCacheEntryType(key);
       if (t == cmStateEnums::INTERNAL || t == cmStateEnums::STATIC ||
           t == cmStateEnums::UNINITIALIZED) {
         continue;
diff --git a/Source/QtDialog/FirstConfigure.cxx b/Source/QtDialog/FirstConfigure.cxx
index f28e1a8..364a378 100644
--- a/Source/QtDialog/FirstConfigure.cxx
+++ b/Source/QtDialog/FirstConfigure.cxx
@@ -95,33 +95,32 @@ void StartCompilerSetup::setGenerators(
 
   QStringList generator_list;
 
-  std::vector<cmake::GeneratorInfo>::const_iterator it;
-  for (it = gens.begin(); it != gens.end(); ++it) {
-    generator_list.append(QString::fromLocal8Bit(it->name.c_str()));
+  for (cmake::GeneratorInfo const& gen : gens) {
+    generator_list.append(QString::fromLocal8Bit(gen.name.c_str()));
 
-    if (it->supportsPlatform) {
+    if (gen.supportsPlatform) {
       this->GeneratorsSupportingPlatform.append(
-        QString::fromLocal8Bit(it->name.c_str()));
+        QString::fromLocal8Bit(gen.name.c_str()));
 
       this
-        ->GeneratorDefaultPlatform[QString::fromLocal8Bit(it->name.c_str())] =
-        QString::fromLocal8Bit(it->defaultPlatform.c_str());
+        ->GeneratorDefaultPlatform[QString::fromLocal8Bit(gen.name.c_str())] =
+        QString::fromLocal8Bit(gen.defaultPlatform.c_str());
 
       std::vector<std::string>::const_iterator platformIt =
-        it->supportedPlatforms.cbegin();
-      while (platformIt != it->supportedPlatforms.cend()) {
+        gen.supportedPlatforms.cbegin();
+      while (platformIt != gen.supportedPlatforms.cend()) {
 
         this->GeneratorSupportedPlatforms.insert(
-          QString::fromLocal8Bit(it->name.c_str()),
+          QString::fromLocal8Bit(gen.name.c_str()),
           QString::fromLocal8Bit((*platformIt).c_str()));
 
         platformIt++;
       }
     }
 
-    if (it->supportsToolset) {
+    if (gen.supportsToolset) {
       this->GeneratorsSupportingToolset.append(
-        QString::fromLocal8Bit(it->name.c_str()));
+        QString::fromLocal8Bit(gen.name.c_str()));
     }
   }
 
diff --git a/Source/QtDialog/QCMake.cxx b/Source/QtDialog/QCMake.cxx
index a073c30..bf7726e 100644
--- a/Source/QtDialog/QCMake.cxx
+++ b/Source/QtDialog/QCMake.cxx
@@ -48,9 +48,8 @@ QCMake::QCMake(QObject* p)
   this->CMakeInstance->GetRegisteredGenerators(
     generators, /*includeNamesWithPlatform=*/false);
 
-  std::vector<cmake::GeneratorInfo>::const_iterator it;
-  for (it = generators.begin(); it != generators.end(); ++it) {
-    this->AvailableGenerators.push_back(*it);
+  for (cmake::GeneratorInfo const& gen : generators) {
+    this->AvailableGenerators.push_back(gen);
   }
 }
 
@@ -234,24 +233,23 @@ void QCMake::setProperties(const QCMakePropertyList& newProps)
   // set the value of properties
   cmState* state = this->CMakeInstance->GetState();
   std::vector<std::string> cacheKeys = state->GetCacheEntryKeys();
-  for (std::vector<std::string>::const_iterator it = cacheKeys.begin();
-       it != cacheKeys.end(); ++it) {
-    cmStateEnums::CacheEntryType t = state->GetCacheEntryType(*it);
+  for (std::string const& key : cacheKeys) {
+    cmStateEnums::CacheEntryType t = state->GetCacheEntryType(key);
     if (t == cmStateEnums::INTERNAL || t == cmStateEnums::STATIC) {
       continue;
     }
 
     QCMakeProperty prop;
-    prop.Key = QString::fromLocal8Bit(it->c_str());
+    prop.Key = QString::fromLocal8Bit(key.c_str());
     int idx = props.indexOf(prop);
     if (idx == -1) {
-      toremove.append(QString::fromLocal8Bit(it->c_str()));
+      toremove.append(QString::fromLocal8Bit(key.c_str()));
     } else {
       prop = props[idx];
       if (prop.Value.type() == QVariant::Bool) {
-        state->SetCacheEntryValue(*it, prop.Value.toBool() ? "ON" : "OFF");
+        state->SetCacheEntryValue(key, prop.Value.toBool() ? "ON" : "OFF");
       } else {
-        state->SetCacheEntryValue(*it,
+        state->SetCacheEntryValue(key,
                                   prop.Value.toString().toLocal8Bit().data());
       }
       props.removeAt(idx);
@@ -297,22 +295,21 @@ QCMakePropertyList QCMake::properties() const
 
   cmState* state = this->CMakeInstance->GetState();
   std::vector<std::string> cacheKeys = state->GetCacheEntryKeys();
-  for (std::vector<std::string>::const_iterator i = cacheKeys.begin();
-       i != cacheKeys.end(); ++i) {
-    cmStateEnums::CacheEntryType t = state->GetCacheEntryType(*i);
+  for (std::string const& key : cacheKeys) {
+    cmStateEnums::CacheEntryType t = state->GetCacheEntryType(key);
     if (t == cmStateEnums::INTERNAL || t == cmStateEnums::STATIC ||
         t == cmStateEnums::UNINITIALIZED) {
       continue;
     }
 
-    const char* cachedValue = state->GetCacheEntryValue(*i);
+    const char* cachedValue = state->GetCacheEntryValue(key);
 
     QCMakeProperty prop;
-    prop.Key = QString::fromLocal8Bit(i->c_str());
+    prop.Key = QString::fromLocal8Bit(key.c_str());
     prop.Help =
-      QString::fromLocal8Bit(state->GetCacheEntryProperty(*i, "HELPSTRING"));
+      QString::fromLocal8Bit(state->GetCacheEntryProperty(key, "HELPSTRING"));
     prop.Value = QString::fromLocal8Bit(cachedValue);
-    prop.Advanced = state->GetCacheEntryPropertyAsBool(*i, "ADVANCED");
+    prop.Advanced = state->GetCacheEntryPropertyAsBool(key, "ADVANCED");
     if (t == cmStateEnums::BOOL) {
       prop.Type = QCMakeProperty::BOOL;
       prop.Value = cmSystemTools::IsOn(cachedValue);
@@ -323,7 +320,7 @@ QCMakePropertyList QCMake::properties() const
     } else if (t == cmStateEnums::STRING) {
       prop.Type = QCMakeProperty::STRING;
       const char* stringsProperty =
-        state->GetCacheEntryProperty(*i, "STRINGS");
+        state->GetCacheEntryProperty(key, "STRINGS");
       if (stringsProperty) {
         prop.Strings = QString::fromLocal8Bit(stringsProperty).split(";");
       }
diff --git a/Source/cmAddDependenciesCommand.cxx b/Source/cmAddDependenciesCommand.cxx
index 021bd29..1023808 100644
--- a/Source/cmAddDependenciesCommand.cxx
+++ b/Source/cmAddDependenciesCommand.cxx
@@ -4,6 +4,7 @@
 
 #include <sstream>
 
+#include "cmAlgorithms.h"
 #include "cmMakefile.h"
 #include "cmMessageType.h"
 #include "cmTarget.h"
@@ -27,10 +28,10 @@ bool cmAddDependenciesCommand::InitialPass(
     this->Makefile->IssueMessage(MessageType::FATAL_ERROR, e.str());
   }
   if (cmTarget* target = this->Makefile->FindTargetToUse(target_name)) {
-    std::vector<std::string>::const_iterator s = args.begin();
-    ++s; // skip over target_name
-    for (; s != args.end(); ++s) {
-      target->AddUtility(*s, this->Makefile);
+
+    // skip over target_name
+    for (std::string const& arg : cmMakeRange(args).advance(1)) {
+      target->AddUtility(arg, this->Makefile);
     }
   } else {
     std::ostringstream e;
diff --git a/Source/cmAddSubDirectoryCommand.cxx b/Source/cmAddSubDirectoryCommand.cxx
index 75e5aa4..c47092a 100644
--- a/Source/cmAddSubDirectoryCommand.cxx
+++ b/Source/cmAddSubDirectoryCommand.cxx
@@ -5,6 +5,7 @@
 #include <sstream>
 #include <string.h>
 
+#include "cmAlgorithms.h"
 #include "cmMakefile.h"
 #include "cmSystemTools.h"
 
@@ -26,15 +27,13 @@ bool cmAddSubDirectoryCommand::InitialPass(
   bool excludeFromAll = false;
 
   // process the rest of the arguments looking for optional args
-  std::vector<std::string>::const_iterator i = args.begin();
-  ++i;
-  for (; i != args.end(); ++i) {
-    if (*i == "EXCLUDE_FROM_ALL") {
+  for (std::string const& arg : cmMakeRange(args).advance(1)) {
+    if (arg == "EXCLUDE_FROM_ALL") {
       excludeFromAll = true;
       continue;
     }
     if (binArg.empty()) {
-      binArg = *i;
+      binArg = arg;
     } else {
       this->SetError("called with incorrect number of arguments");
       return false;
diff --git a/Source/cmCPluginAPI.cxx b/Source/cmCPluginAPI.cxx
index c0088ac..576d2c3 100644
--- a/Source/cmCPluginAPI.cxx
+++ b/Source/cmCPluginAPI.cxx
@@ -683,26 +683,24 @@ void CCONV cmSourceFileSetName(void* arg, const char* name, const char* dir,
   }
 
   // Next, try the various source extensions
-  for (std::vector<std::string>::const_iterator ext = sourceExts.begin();
-       ext != sourceExts.end(); ++ext) {
+  for (std::string const& ext : sourceExts) {
     hname = pathname;
     hname += ".";
-    hname += *ext;
+    hname += ext;
     if (cmSystemTools::FileExists(hname)) {
-      sf->SourceExtension = *ext;
+      sf->SourceExtension = ext;
       sf->FullPath = hname;
       return;
     }
   }
 
   // Finally, try the various header extensions
-  for (std::vector<std::string>::const_iterator ext = headerExts.begin();
-       ext != headerExts.end(); ++ext) {
+  for (std::string const& ext : headerExts) {
     hname = pathname;
     hname += ".";
-    hname += *ext;
+    hname += ext;
     if (cmSystemTools::FileExists(hname)) {
-      sf->SourceExtension = *ext;
+      sf->SourceExtension = ext;
       sf->FullPath = hname;
       return;
     }
@@ -711,13 +709,11 @@ void CCONV cmSourceFileSetName(void* arg, const char* name, const char* dir,
   std::ostringstream e;
   e << "Cannot find source file \"" << pathname << "\"";
   e << "\n\nTried extensions";
-  for (std::vector<std::string>::const_iterator ext = sourceExts.begin();
-       ext != sourceExts.end(); ++ext) {
-    e << " ." << *ext;
+  for (std::string const& ext : sourceExts) {
+    e << " ." << ext;
   }
-  for (std::vector<std::string>::const_iterator ext = headerExts.begin();
-       ext != headerExts.end(); ++ext) {
-    e << " ." << *ext;
+  for (std::string const& ext : headerExts) {
+    e << " ." << ext;
   }
   cmSystemTools::Error(e.str());
 }
diff --git a/Source/cmComputeLinkDepends.cxx b/Source/cmComputeLinkDepends.cxx
index 4717cf6..5ed6c29 100644
--- a/Source/cmComputeLinkDepends.cxx
+++ b/Source/cmComputeLinkDepends.cxx
@@ -256,11 +256,7 @@ cmComputeLinkDepends::Compute()
   // Iterate in reverse order so we can keep only the last occurrence
   // of a shared library.
   std::set<int> emmitted;
-  for (std::vector<int>::const_reverse_iterator
-         li = this->FinalLinkOrder.rbegin(),
-         le = this->FinalLinkOrder.rend();
-       li != le; ++li) {
-    int i = *li;
+  for (int i : cmReverseRange(this->FinalLinkOrder)) {
     LinkEntry const& e = this->EntryList[i];
     cmGeneratorTarget const* t = e.Target;
     // Entries that we know the linker will re-use do not need to be repeated.
@@ -586,11 +582,10 @@ void cmComputeLinkDepends::InferDependencies()
     }
 
     // Intersect the sets for this item.
-    DependSetList::const_iterator i = sets->begin();
-    DependSet common = *i;
-    for (++i; i != sets->end(); ++i) {
+    DependSet common = sets->front();
+    for (DependSet const& i : cmMakeRange(*sets).advance(1)) {
       DependSet intersection;
-      std::set_intersection(common.begin(), common.end(), i->begin(), i->end(),
+      std::set_intersection(common.begin(), common.end(), i.begin(), i.end(),
                             std::inserter(intersection, intersection.begin()));
       common = intersection;
     }
@@ -708,9 +703,8 @@ void cmComputeLinkDepends::VisitComponent(unsigned int c)
   // Run in reverse order so the topological order will preserve the
   // original order where there are no constraints.
   EdgeList const& nl = this->CCG->GetComponentGraphEdges(c);
-  for (EdgeList::const_reverse_iterator ni = nl.rbegin(); ni != nl.rend();
-       ++ni) {
-    this->VisitComponent(*ni);
+  for (cmGraphEdge const& edge : cmReverseRange(nl)) {
+    this->VisitComponent(edge);
   }
 
   // Assign an ordering id to this component.
diff --git a/Source/cmComputeTargetDepends.cxx b/Source/cmComputeTargetDepends.cxx
index 9b7b02f..70d1675 100644
--- a/Source/cmComputeTargetDepends.cxx
+++ b/Source/cmComputeTargetDepends.cxx
@@ -2,6 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmComputeTargetDepends.h"
 
+#include "cmAlgorithms.h"
 #include "cmComputeComponentGraph.h"
 #include "cmGeneratorTarget.h"
 #include "cmGlobalGenerator.h"
@@ -549,10 +550,9 @@ bool cmComputeTargetDepends::ComputeFinalDepends(
     int head = -1;
     std::set<int> emitted;
     NodeList const& nl = components[c];
-    for (NodeList::const_reverse_iterator ni = nl.rbegin(); ni != nl.rend();
-         ++ni) {
+    for (int ni : cmReverseRange(nl)) {
       std::set<int> visited;
-      if (!this->IntraComponent(cmap, c, *ni, &head, emitted, visited)) {
+      if (!this->IntraComponent(cmap, c, ni, &head, emitted, visited)) {
         // Cycle in add_dependencies within component!
         this->ComplainAboutBadComponent(ccg, c, true);
         return false;
diff --git a/Source/cmExtraCodeBlocksGenerator.cxx b/Source/cmExtraCodeBlocksGenerator.cxx
index e408de3..345ecaa 100644
--- a/Source/cmExtraCodeBlocksGenerator.cxx
+++ b/Source/cmExtraCodeBlocksGenerator.cxx
@@ -589,10 +589,9 @@ void cmExtraCodeBlocksGenerator::AppendTarget(
     std::vector<std::string>::const_iterator end =
       cmRemoveDuplicates(allIncludeDirs);
 
-    for (std::vector<std::string>::const_iterator i = allIncludeDirs.begin();
-         i != end; ++i) {
+    for (std::string const& str : cmMakeRange(allIncludeDirs.cbegin(), end)) {
       xml.StartElement("Add");
-      xml.Attribute("directory", *i);
+      xml.Attribute("directory", str);
       xml.EndElement();
     }
 
diff --git a/Source/cmFLTKWrapUICommand.cxx b/Source/cmFLTKWrapUICommand.cxx
index 4b14d26..1b509ef 100644
--- a/Source/cmFLTKWrapUICommand.cxx
+++ b/Source/cmFLTKWrapUICommand.cxx
@@ -4,6 +4,7 @@
 
 #include <stddef.h>
 
+#include "cmAlgorithms.h"
 #include "cmCustomCommandLines.h"
 #include "cmMakefile.h"
 #include "cmSourceFile.h"
@@ -40,18 +41,17 @@ bool cmFLTKWrapUICommand::InitialPass(std::vector<std::string> const& args,
     this->Makefile->AddIncludeDirectories(outputDirectories);
   }
 
-  for (std::vector<std::string>::const_iterator i = (args.begin() + 1);
-       i != args.end(); i++) {
-    cmSourceFile* curr = this->Makefile->GetSource(*i);
+  for (std::string const& arg : cmMakeRange(args).advance(1)) {
+    cmSourceFile* curr = this->Makefile->GetSource(arg);
     // if we should use the source GUI
     // to generate .cxx and .h files
     if (!curr || !curr->GetPropertyAsBool("WRAP_EXCLUDE")) {
       std::string outName = outputDirectory;
       outName += "/";
-      outName += cmSystemTools::GetFilenameWithoutExtension(*i);
+      outName += cmSystemTools::GetFilenameWithoutExtension(arg);
       std::string hname = outName;
       hname += ".h";
-      std::string origname = cdir + "/" + *i;
+      std::string origname = cdir + "/" + arg;
       // add starting depends
       std::vector<std::string> depends;
       depends.push_back(origname);
diff --git a/Source/cmFileCommand.cxx b/Source/cmFileCommand.cxx
index 2fe0d63..fb3a1bc 100644
--- a/Source/cmFileCommand.cxx
+++ b/Source/cmFileCommand.cxx
@@ -947,16 +947,14 @@ bool cmFileCommand::HandleMakeDirectoryCommand(
   // File command has at least one argument
   assert(args.size() > 1);
 
-  std::vector<std::string>::const_iterator i = args.begin();
-
-  i++; // Get rid of subcommand
-
   std::string expr;
-  for (; i != args.end(); ++i) {
-    const std::string* cdir = &(*i);
-    if (!cmsys::SystemTools::FileIsFullPath(*i)) {
+  for (std::string const& arg :
+       cmMakeRange(args).advance(1)) // Get rid of subcommand
+  {
+    const std::string* cdir = &arg;
+    if (!cmsys::SystemTools::FileIsFullPath(arg)) {
       expr = this->Makefile->GetCurrentSourceDirectory();
-      expr += "/" + *i;
+      expr += "/" + arg;
       cdir = &expr;
     }
     if (!this->Makefile->CanIWriteThisFile(*cdir)) {
@@ -981,15 +979,13 @@ bool cmFileCommand::HandleTouchCommand(std::vector<std::string> const& args,
   // File command has at least one argument
   assert(args.size() > 1);
 
-  std::vector<std::string>::const_iterator i = args.begin();
-
-  i++; // Get rid of subcommand
-
-  for (; i != args.end(); ++i) {
-    std::string tfile = *i;
+  for (std::string const& arg :
+       cmMakeRange(args).advance(1)) // Get rid of subcommand
+  {
+    std::string tfile = arg;
     if (!cmsys::SystemTools::FileIsFullPath(tfile)) {
       tfile = this->Makefile->GetCurrentSourceDirectory();
-      tfile += "/" + *i;
+      tfile += "/" + arg;
     }
     if (!this->Makefile->CanIWriteThisFile(tfile)) {
       std::string e =
@@ -2481,14 +2477,14 @@ bool cmFileCommand::HandleRemove(std::vector<std::string> const& args,
 {
 
   std::string message;
-  std::vector<std::string>::const_iterator i = args.begin();
 
-  i++; // Get rid of subcommand
-  for (; i != args.end(); ++i) {
-    std::string fileName = *i;
+  for (std::string const& arg :
+       cmMakeRange(args).advance(1)) // Get rid of subcommand
+  {
+    std::string fileName = arg;
     if (!cmsys::SystemTools::FileIsFullPath(fileName)) {
       fileName = this->Makefile->GetCurrentSourceDirectory();
-      fileName += "/" + *i;
+      fileName += "/" + arg;
     }
 
     if (cmSystemTools::FileIsDirectory(fileName) &&
diff --git a/Source/cmFindBase.cxx b/Source/cmFindBase.cxx
index 425546a..f92f66e 100644
--- a/Source/cmFindBase.cxx
+++ b/Source/cmFindBase.cxx
@@ -4,7 +4,6 @@
 
 #include <deque>
 #include <iostream>
-#include <iterator>
 #include <map>
 #include <stddef.h>
 
@@ -205,11 +204,9 @@ void cmFindBase::FillPackageRootPath()
   cmSearchPath& paths = this->LabeledPaths[PathLabel::PackageRoot];
 
   // Add the PACKAGE_ROOT_PATH from each enclosing find_package call.
-  for (std::deque<std::vector<std::string>>::const_reverse_iterator pkgPaths =
-         this->Makefile->FindPackageRootPathStack.rbegin();
-       pkgPaths != this->Makefile->FindPackageRootPathStack.rend();
-       ++pkgPaths) {
-    paths.AddPrefixPaths(*pkgPaths);
+  for (std::vector<std::string> const& pkgPaths :
+       cmReverseRange(this->Makefile->FindPackageRootPathStack)) {
+    paths.AddPrefixPaths(pkgPaths);
   }
 
   paths.AddSuffixes(this->SearchPathSuffixes);
diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index 93c71a1..52ff5ea 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -827,10 +827,10 @@ bool cmFindPackageCommand::HandlePackageMode()
           << " requested version \"" << this->Version << "\".\n"
           << "The following configuration files were considered but not "
              "accepted:\n";
-        for (std::vector<ConfigFileInfo>::const_iterator i =
-               this->ConsideredConfigs.begin();
-             i != duplicate_end; ++i) {
-          e << "  " << i->filename << ", version: " << i->version << "\n";
+
+        for (ConfigFileInfo const& info :
+             cmMakeRange(this->ConsideredConfigs.cbegin(), duplicate_end)) {
+          e << "  " << info.filename << ", version: " << info.version << "\n";
         }
       } else {
         std::string requestedVersionString;
diff --git a/Source/cmForEachCommand.cxx b/Source/cmForEachCommand.cxx
index e359def..39430d0 100644
--- a/Source/cmForEachCommand.cxx
+++ b/Source/cmForEachCommand.cxx
@@ -48,12 +48,10 @@ bool cmForEachFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff,
       if (mf.GetDefinition(this->Args[0])) {
         oldDef = mf.GetDefinition(this->Args[0]);
       }
-      std::vector<std::string>::const_iterator j = this->Args.begin();
-      ++j;
 
-      for (; j != this->Args.end(); ++j) {
+      for (std::string const& arg : cmMakeRange(this->Args).advance(1)) {
         // set the variable to the loop value
-        mf.AddDefinition(this->Args[0], j->c_str());
+        mf.AddDefinition(this->Args[0], arg.c_str());
         // Invoke all the functions that were collected in the block.
         cmExecutionStatus status;
         for (cmListFileFunction const& func : this->Functions) {
diff --git a/Source/cmGeneratorExpressionEvaluator.cxx b/Source/cmGeneratorExpressionEvaluator.cxx
index f9a6d64..268de6f 100644
--- a/Source/cmGeneratorExpressionEvaluator.cxx
+++ b/Source/cmGeneratorExpressionEvaluator.cxx
@@ -34,20 +34,16 @@ std::string GeneratorExpressionContent::ProcessArbitraryContent(
     std::vector<cmGeneratorExpressionEvaluator*>>::const_iterator pend =
     this->ParamChildren.end();
   for (; pit != pend; ++pit) {
-    std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
-      pit->begin();
-    const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
-      pit->end();
-    for (; it != end; ++it) {
+    for (cmGeneratorExpressionEvaluator* pExprEval : *pit) {
       if (node->RequiresLiteralInput()) {
-        if ((*it)->GetType() != cmGeneratorExpressionEvaluator::Text) {
+        if (pExprEval->GetType() != cmGeneratorExpressionEvaluator::Text) {
           reportError(context, this->GetOriginalExpression(),
                       "$<" + identifier +
                         "> expression requires literal input.");
           return std::string();
         }
       }
-      result += (*it)->Evaluate(context, dagChecker);
+      result += pExprEval->Evaluate(context, dagChecker);
       if (context->HadError) {
         return std::string();
       }
@@ -70,12 +66,9 @@ std::string GeneratorExpressionContent::Evaluate(
 {
   std::string identifier;
   {
-    std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
-      this->IdentifierChildren.begin();
-    const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
-      this->IdentifierChildren.end();
-    for (; it != end; ++it) {
-      identifier += (*it)->Evaluate(context, dagChecker);
+    for (cmGeneratorExpressionEvaluator* pExprEval :
+         this->IdentifierChildren) {
+      identifier += pExprEval->Evaluate(context, dagChecker);
       if (context->HadError) {
         return std::string();
       }
@@ -138,12 +131,8 @@ std::string GeneratorExpressionContent::EvaluateParameters(
         return std::string();
       }
       std::string parameter;
-      std::vector<cmGeneratorExpressionEvaluator*>::const_iterator it =
-        pit->begin();
-      const std::vector<cmGeneratorExpressionEvaluator*>::const_iterator end =
-        pit->end();
-      for (; it != end; ++it) {
-        parameter += (*it)->Evaluate(context, dagChecker);
+      for (cmGeneratorExpressionEvaluator* pExprEval : *pit) {
+        parameter += pExprEval->Evaluate(context, dagChecker);
         if (context->HadError) {
           return std::string();
         }
diff --git a/Source/cmGeneratorExpressionNode.cxx b/Source/cmGeneratorExpressionNode.cxx
index e8cb151..dcec0a4 100644
--- a/Source/cmGeneratorExpressionNode.cxx
+++ b/Source/cmGeneratorExpressionNode.cxx
@@ -103,13 +103,11 @@ static const struct ZeroNode installInterfaceNode;
                          const GeneratorExpressionContent* content,           \
                          cmGeneratorExpressionDAGChecker*) const              \
     {                                                                         \
-      std::vector<std::string>::const_iterator it = parameters.begin();       \
-      const std::vector<std::string>::const_iterator end = parameters.end();  \
-      for (; it != end; ++it) {                                               \
-        if (*it == #FAILURE_VALUE) {                                          \
+      for (std::string const& param : parameters) {                           \
+        if (param == #FAILURE_VALUE) {                                        \
           return #FAILURE_VALUE;                                              \
         }                                                                     \
-        if (*it != #SUCCESS_VALUE) {                                          \
+        if (param != #SUCCESS_VALUE) {                                        \
           reportError(context, content->GetOriginalExpression(),              \
                       "Parameters to $<" #OP                                  \
                       "> must resolve to either '0' or '1'.");                \
diff --git a/Source/cmGhsMultiTargetGenerator.cxx b/Source/cmGhsMultiTargetGenerator.cxx
index 04a8b3c..3562e7e 100644
--- a/Source/cmGhsMultiTargetGenerator.cxx
+++ b/Source/cmGhsMultiTargetGenerator.cxx
@@ -238,10 +238,8 @@ void cmGhsMultiTargetGenerator::WriteCompilerDefinitions(
   std::vector<std::string> compileDefinitions;
   this->GeneratorTarget->GetCompileDefinitions(compileDefinitions, config,
                                                language);
-  for (std::vector<std::string>::const_iterator cdI =
-         compileDefinitions.begin();
-       cdI != compileDefinitions.end(); ++cdI) {
-    fout << "    -D" << (*cdI) << std::endl;
+  for (std::string const& compileDefinition : compileDefinitions) {
+    fout << "    -D" << compileDefinition << std::endl;
   }
 }
 
@@ -253,9 +251,8 @@ void cmGhsMultiTargetGenerator::WriteIncludes(std::ostream& fout,
   this->LocalGenerator->GetIncludeDirectories(includes, this->GeneratorTarget,
                                               language, config);
 
-  for (std::vector<std::string>::const_iterator includes_i = includes.begin();
-       includes_i != includes.end(); ++includes_i) {
-    fout << "    -I\"" << *includes_i << "\"" << std::endl;
+  for (std::string const& include : includes) {
+    fout << "    -I\"" << include << "\"" << std::endl;
   }
 }
 
@@ -324,12 +321,9 @@ void cmGhsMultiTargetGenerator::WriteCustomCommandsHelper(
   std::ostream& fout, std::vector<cmCustomCommand> const& commandsSet,
   cmTarget::CustomCommandType const commandType)
 {
-  for (std::vector<cmCustomCommand>::const_iterator commandsSetI =
-         commandsSet.begin();
-       commandsSetI != commandsSet.end(); ++commandsSetI) {
-    cmCustomCommandLines const& commands = commandsSetI->GetCommandLines();
-    for (cmCustomCommandLines::const_iterator commandI = commands.begin();
-         commandI != commands.end(); ++commandI) {
+  for (cmCustomCommand const& customCommand : commandsSet) {
+    cmCustomCommandLines const& commandLines = customCommand.GetCommandLines();
+    for (cmCustomCommandLine const& command : commandLines) {
       switch (commandType) {
         case cmTarget::PRE_BUILD:
           fout << "    :preexecShellSafe=";
@@ -340,17 +334,16 @@ void cmGhsMultiTargetGenerator::WriteCustomCommandsHelper(
         default:
           assert("Only pre and post are supported");
       }
-      cmCustomCommandLine const& command = *commandI;
-      for (cmCustomCommandLine::const_iterator commandLineI = command.begin();
-           commandLineI != command.end(); ++commandLineI) {
+
+      bool firstIteration = true;
+      for (std::string const& commandLine : command) {
         std::string subCommandE =
-          this->LocalGenerator->EscapeForShell(*commandLineI, true);
-        if (!command.empty()) {
-          fout << (command.begin() == commandLineI ? "'" : " ");
-          // Need to double escape backslashes
-          cmSystemTools::ReplaceString(subCommandE, "\\", "\\\\");
-        }
+          this->LocalGenerator->EscapeForShell(commandLine, true);
+        fout << (firstIteration ? "'" : " ");
+        // Need to double escape backslashes
+        cmSystemTools::ReplaceString(subCommandE, "\\", "\\\\");
         fout << subCommandE;
+        firstIteration = false;
       }
       if (!command.empty()) {
         fout << "'" << std::endl;
diff --git a/Source/cmGlobalGenerator.cxx b/Source/cmGlobalGenerator.cxx
index 386a3f7..e56dc4c 100644
--- a/Source/cmGlobalGenerator.cxx
+++ b/Source/cmGlobalGenerator.cxx
@@ -314,9 +314,11 @@ bool cmGlobalGenerator::CheckTargetsForMissingSources() const
       if (configs.empty()) {
         target->GetSourceFiles(srcs, "");
       } else {
-        for (std::vector<std::string>::const_iterator ci = configs.begin();
-             ci != configs.end() && srcs.empty(); ++ci) {
-          target->GetSourceFiles(srcs, *ci);
+        for (std::string const& config : configs) {
+          target->GetSourceFiles(srcs, config);
+          if (srcs.empty()) {
+            break;
+          }
         }
       }
       if (srcs.empty()) {
@@ -2983,10 +2985,8 @@ void cmGlobalGenerator::WriteSummary(cmGeneratorTarget* target)
     }
     std::vector<cmSourceFile*>::const_iterator sourcesEnd =
       cmRemoveDuplicates(sources);
-    for (std::vector<cmSourceFile*>::const_iterator si = sources.begin();
-         si != sourcesEnd; ++si) {
+    for (cmSourceFile* sf : cmMakeRange(sources.cbegin(), sourcesEnd)) {
       Json::Value& lj_source = lj_sources.append(Json::objectValue);
-      cmSourceFile* sf = *si;
       std::string const& sfp = sf->GetFullPath();
       fout << sfp << "\n";
       lj_source["file"] = sfp;
diff --git a/Source/cmGlobalGhsMultiGenerator.cxx b/Source/cmGlobalGhsMultiGenerator.cxx
index 45fa052..746ddad 100644
--- a/Source/cmGlobalGhsMultiGenerator.cxx
+++ b/Source/cmGlobalGhsMultiGenerator.cxx
@@ -420,10 +420,8 @@ void cmGlobalGhsMultiGenerator::WriteMacros(std::ostream& fout)
   if (NULL != ghsGpjMacros) {
     std::vector<std::string> expandedList;
     cmSystemTools::ExpandListArgument(std::string(ghsGpjMacros), expandedList);
-    for (std::vector<std::string>::const_iterator expandedListI =
-           expandedList.begin();
-         expandedListI != expandedList.end(); ++expandedListI) {
-      fout << "macro " << *expandedListI << std::endl;
+    for (std::string const& arg : expandedList) {
+      fout << "macro " << arg << std::endl;
     }
   }
 }
diff --git a/Source/cmGlobalNinjaGenerator.cxx b/Source/cmGlobalNinjaGenerator.cxx
index 6498024..ba1ace6 100644
--- a/Source/cmGlobalNinjaGenerator.cxx
+++ b/Source/cmGlobalNinjaGenerator.cxx
@@ -1640,8 +1640,7 @@ int cmcmd_cmake_ninja_depends(std::vector<std::string>::const_iterator argBeg,
   std::string arg_dep;
   std::string arg_obj;
   std::string arg_ddi;
-  for (std::vector<std::string>::const_iterator a = argBeg; a != argEnd; ++a) {
-    std::string const& arg = *a;
+  for (std::string const& arg : cmMakeRange(argBeg, argEnd)) {
     if (cmHasLiteralPrefix(arg, "--tdi=")) {
       arg_tdi = arg.substr(6);
     } else if (cmHasLiteralPrefix(arg, "--pp=")) {
diff --git a/Source/cmGlobalVisualStudio10Generator.cxx b/Source/cmGlobalVisualStudio10Generator.cxx
index d8b2e89..7284f0b 100644
--- a/Source/cmGlobalVisualStudio10Generator.cxx
+++ b/Source/cmGlobalVisualStudio10Generator.cxx
@@ -913,10 +913,11 @@ void cmGlobalVisualStudio10Generator::GenerateBuildCommand(
     if (parser.ParseFile(slnFile, slnData,
                          cmVisualStudioSlnParser::DataGroupProjects)) {
       std::vector<cmSlnProjectEntry> slnProjects = slnData.GetProjects();
-      for (std::vector<cmSlnProjectEntry>::const_iterator i =
-             slnProjects.cbegin();
-           !useDevEnv && i != slnProjects.cend(); ++i) {
-        std::string proj = i->GetRelativePath();
+      for (cmSlnProjectEntry const& project : slnProjects) {
+        if (useDevEnv) {
+          break;
+        }
+        std::string proj = project.GetRelativePath();
         if (proj.size() > 7 && proj.substr(proj.size() - 7) == ".vfproj") {
           useDevEnv = true;
         }
diff --git a/Source/cmInstallCommandArguments.cxx b/Source/cmInstallCommandArguments.cxx
index 155f055..647c786 100644
--- a/Source/cmInstallCommandArguments.cxx
+++ b/Source/cmInstallCommandArguments.cxx
@@ -2,6 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmInstallCommandArguments.h"
 
+#include "cmAlgorithms.h"
 #include "cmSystemTools.h"
 
 #include <utility>
@@ -220,10 +221,7 @@ void cmInstallCommandIncludesArgument::Parse(
   if (args->empty()) {
     return;
   }
-  std::vector<std::string>::const_iterator it = args->begin();
-  ++it;
-  for (; it != args->end(); ++it) {
-    std::string dir = *it;
+  for (std::string dir : cmMakeRange(*args).advance(1)) {
     cmSystemTools::ConvertToUnixSlashes(dir);
     this->IncludeDirs.push_back(std::move(dir));
   }
diff --git a/Source/cmInstallDirectoryGenerator.cxx b/Source/cmInstallDirectoryGenerator.cxx
index a88c7af..62ce9f2 100644
--- a/Source/cmInstallDirectoryGenerator.cxx
+++ b/Source/cmInstallDirectoryGenerator.cxx
@@ -31,10 +31,12 @@ cmInstallDirectoryGenerator::cmInstallDirectoryGenerator(
   }
 
   // We need per-config actions if any directories have generator expressions.
-  for (std::vector<std::string>::const_iterator i = dirs.begin();
-       !this->ActionsPerConfig && i != dirs.end(); ++i) {
-    if (cmGeneratorExpression::Find(*i) != std::string::npos) {
-      this->ActionsPerConfig = true;
+  if (!this->ActionsPerConfig) {
+    for (std::string const& dir : dirs) {
+      if (cmGeneratorExpression::Find(dir) != std::string::npos) {
+        this->ActionsPerConfig = true;
+        break;
+      }
     }
   }
 }
diff --git a/Source/cmInstallExportAndroidMKGenerator.cxx b/Source/cmInstallExportAndroidMKGenerator.cxx
index 85b7021..186b9df 100644
--- a/Source/cmInstallExportAndroidMKGenerator.cxx
+++ b/Source/cmInstallExportAndroidMKGenerator.cxx
@@ -67,10 +67,8 @@ void cmInstallExportAndroidMKGenerator::GenerateScript(std::ostream& os)
       this->EFGen->AddConfiguration("");
     }
   } else {
-    for (std::vector<std::string>::const_iterator ci =
-           this->ConfigurationTypes->begin();
-         ci != this->ConfigurationTypes->end(); ++ci) {
-      this->EFGen->AddConfiguration(*ci);
+    for (std::string const& config : this->ConfigurationTypes) {
+      this->EFGen->AddConfiguration(config);
     }
   }
   this->EFGen->GenerateImportFile();
@@ -88,11 +86,9 @@ void cmInstallExportAndroidMKGenerator::GenerateScriptConfigs(
   // Now create a configuration-specific install rule for the import
   // file of each configuration.
   std::vector<std::string> files;
-  for (std::map<std::string, std::string>::const_iterator i =
-         this->EFGen->GetConfigImportFiles().begin();
-       i != this->EFGen->GetConfigImportFiles().end(); ++i) {
-    files.push_back(i->second);
-    std::string config_test = this->CreateConfigTest(i->first);
+  for (auto const& pair : this->EFGen->GetConfigImportFiles()) {
+    files.push_back(pair.second);
+    std::string config_test = this->CreateConfigTest(pair.first);
     os << indent << "if(" << config_test << ")\n";
     this->AddInstallRule(os, this->Destination, cmInstallType_FILES, files,
                          false, this->FilePermissions.c_str(), nullptr,
diff --git a/Source/cmInstallFilesCommand.cxx b/Source/cmInstallFilesCommand.cxx
index 4dde18f..1b72ce6 100644
--- a/Source/cmInstallFilesCommand.cxx
+++ b/Source/cmInstallFilesCommand.cxx
@@ -2,6 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmInstallFilesCommand.h"
 
+#include "cmAlgorithms.h"
 #include "cmGeneratorExpression.h"
 #include "cmGlobalGenerator.h"
 #include "cmInstallFilesGenerator.h"
@@ -27,10 +28,9 @@ bool cmInstallFilesCommand::InitialPass(std::vector<std::string> const& args,
 
   if ((args.size() > 1) && (args[1] == "FILES")) {
     this->IsFilesForm = true;
-    for (std::vector<std::string>::const_iterator s = args.begin() + 2;
-         s != args.end(); ++s) {
+    for (std::string const& arg : cmMakeRange(args).advance(2)) {
       // Find the source location for each file listed.
-      this->Files.push_back(this->FindInstallSource(s->c_str()));
+      this->Files.push_back(this->FindInstallSource(arg.c_str()));
     }
     this->CreateInstallGenerator();
   } else {
diff --git a/Source/cmInstallFilesGenerator.cxx b/Source/cmInstallFilesGenerator.cxx
index 07094cb..9eb8ad4 100644
--- a/Source/cmInstallFilesGenerator.cxx
+++ b/Source/cmInstallFilesGenerator.cxx
@@ -29,11 +29,13 @@ cmInstallFilesGenerator::cmInstallFilesGenerator(
     this->ActionsPerConfig = true;
   }
 
-  // We need per-config actions if any files have generator expressions.
-  for (std::vector<std::string>::const_iterator i = files.begin();
-       !this->ActionsPerConfig && i != files.end(); ++i) {
-    if (cmGeneratorExpression::Find(*i) != std::string::npos) {
-      this->ActionsPerConfig = true;
+  // We need per-config actions if any directories have generator expressions.
+  if (!this->ActionsPerConfig) {
+    for (std::string const& file : files) {
+      if (cmGeneratorExpression::Find(file) != std::string::npos) {
+        this->ActionsPerConfig = true;
+        break;
+      }
     }
   }
 }
diff --git a/Source/cmInstallGenerator.cxx b/Source/cmInstallGenerator.cxx
index d139190..bb4eb3e 100644
--- a/Source/cmInstallGenerator.cxx
+++ b/Source/cmInstallGenerator.cxx
@@ -69,17 +69,18 @@ void cmInstallGenerator::AddInstallRule(
   if (cmSystemTools::FileIsFullPath(dest)) {
     os << "list(APPEND CMAKE_ABSOLUTE_DESTINATION_FILES\n";
     os << indent << " \"";
-    for (std::vector<std::string>::const_iterator fi = files.begin();
-         fi != files.end(); ++fi) {
-      if (fi != files.begin()) {
+    bool firstIteration = true;
+    for (std::string const& file : files) {
+      if (!firstIteration) {
         os << ";";
       }
       os << dest << "/";
       if (rename && *rename) {
         os << rename;
       } else {
-        os << cmSystemTools::GetFilenameName(*fi);
+        os << cmSystemTools::GetFilenameName(file);
       }
+      firstIteration = false;
     }
     os << "\")\n";
     os << indent << "if(CMAKE_WARN_ON_ABSOLUTE_INSTALL_DESTINATION)\n";
diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 252aa4c..938098d 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -2223,11 +2223,8 @@ void cmLocalGenerator::JoinDefines(const std::set<std::string>& defines,
       dflag = df;
     }
   }
-
-  std::set<std::string>::const_iterator defineIt = defines.begin();
-  const std::set<std::string>::const_iterator defineEnd = defines.end();
   const char* itemSeparator = definesString.empty() ? "" : " ";
-  for (; defineIt != defineEnd; ++defineIt) {
+  for (std::string const& define : defines) {
     // Append the definition with proper escaping.
     std::string def = dflag;
     if (this->GetState()->UseWatcomWMake()) {
@@ -2241,7 +2238,7 @@ void cmLocalGenerator::JoinDefines(const std::set<std::string>& defines,
       // command line without any escapes.  However we still have to
       // get the '$' and '#' characters through WMake as '$$' and
       // '$#'.
-      for (const char* c = defineIt->c_str(); *c; ++c) {
+      for (const char* c = define.c_str(); *c; ++c) {
         if (*c == '$' || *c == '#') {
           def += '$';
         }
@@ -2250,11 +2247,11 @@ void cmLocalGenerator::JoinDefines(const std::set<std::string>& defines,
     } else {
       // Make the definition appear properly on the command line.  Use
       // -DNAME="value" instead of -D"NAME=value" for historical reasons.
-      std::string::size_type eq = defineIt->find("=");
-      def += defineIt->substr(0, eq);
+      std::string::size_type eq = define.find('=');
+      def += define.substr(0, eq);
       if (eq != std::string::npos) {
         def += "=";
-        def += this->EscapeForShell(defineIt->c_str() + eq + 1, true);
+        def += this->EscapeForShell(define.c_str() + eq + 1, true);
       }
     }
     definesString += itemSeparator;
diff --git a/Source/cmLocalNinjaGenerator.cxx b/Source/cmLocalNinjaGenerator.cxx
index c0afc25..4dc04d5 100644
--- a/Source/cmLocalNinjaGenerator.cxx
+++ b/Source/cmLocalNinjaGenerator.cxx
@@ -466,10 +466,12 @@ void cmLocalNinjaGenerator::WriteCustomCommandBuildStatement(
   cmNinjaDeps ninjaOutputs(outputs.size() + byproducts.size()), ninjaDeps;
 
   bool symbolic = false;
-  for (std::vector<std::string>::const_iterator o = outputs.begin();
-       !symbolic && o != outputs.end(); ++o) {
-    if (cmSourceFile* sf = this->Makefile->GetSource(*o)) {
+  for (std::string const& output : outputs) {
+    if (cmSourceFile* sf = this->Makefile->GetSource(output)) {
       symbolic = sf->GetPropertyAsBool("SYMBOLIC");
+      if (symbolic) {
+        break;
+      }
     }
   }
 
diff --git a/Source/cmLocalVisualStudio7Generator.cxx b/Source/cmLocalVisualStudio7Generator.cxx
index 7019552..7c67192 100644
--- a/Source/cmLocalVisualStudio7Generator.cxx
+++ b/Source/cmLocalVisualStudio7Generator.cxx
@@ -293,9 +293,8 @@ void cmLocalVisualStudio7Generator::WriteConfigurations(
   const std::string& libName, cmGeneratorTarget* target)
 {
   fout << "\t<Configurations>\n";
-  for (std::vector<std::string>::const_iterator i = configs.begin();
-       i != configs.end(); ++i) {
-    this->WriteConfiguration(fout, i->c_str(), libName, target);
+  for (std::string const& config : configs) {
+    this->WriteConfiguration(fout, config.c_str(), libName, target);
   }
   fout << "\t</Configurations>\n";
 }
@@ -569,9 +568,8 @@ public:
   void Finish() { this->Stream << (this->First ? "" : "\"") << "/>\n"; }
   void Write(std::vector<cmCustomCommand> const& ccs)
   {
-    for (std::vector<cmCustomCommand>::const_iterator ci = ccs.begin();
-         ci != ccs.end(); ++ci) {
-      this->Write(*ci);
+    for (cmCustomCommand const& command : ccs) {
+      this->Write(command);
     }
   }
   void Write(cmCustomCommand const& cc)
@@ -897,10 +895,8 @@ void cmLocalVisualStudio7Generator::WriteConfiguration(
     target->GetManifests(manifest_srcs, configName);
     if (!manifest_srcs.empty()) {
       fout << "\n\t\t\t\tAdditionalManifestFiles=\"";
-      for (std::vector<cmSourceFile const*>::const_iterator mi =
-             manifest_srcs.begin();
-           mi != manifest_srcs.end(); ++mi) {
-        std::string m = (*mi)->GetFullPath();
+      for (cmSourceFile const* manifest : manifest_srcs) {
+        std::string m = manifest->GetFullPath();
         fout << this->ConvertToXMLOutputPath(m.c_str()) << ";";
       }
       fout << "\"";
@@ -1303,14 +1299,14 @@ void cmLocalVisualStudio7GeneratorInternals::OutputLibraries(
 {
   cmLocalVisualStudio7Generator* lg = this->LocalGenerator;
   std::string currentBinDir = lg->GetCurrentBinaryDirectory();
-  for (ItemVector::const_iterator l = libs.begin(); l != libs.end(); ++l) {
-    if (l->IsPath) {
+  for (auto const& lib : libs) {
+    if (lib.IsPath) {
       std::string rel =
-        lg->MaybeConvertToRelativePath(currentBinDir, l->Value.c_str());
+        lg->MaybeConvertToRelativePath(currentBinDir, lib.Value.c_str());
       fout << lg->ConvertToXMLOutputPath(rel.c_str()) << " ";
-    } else if (!l->Target ||
-               l->Target->GetType() != cmStateEnums::INTERFACE_LIBRARY) {
-      fout << l->Value << " ";
+    } else if (!lib.Target ||
+               lib.Target->GetType() != cmStateEnums::INTERFACE_LIBRARY) {
+      fout << lib.Value << " ";
     }
   }
 }
@@ -1328,10 +1324,9 @@ void cmLocalVisualStudio7GeneratorInternals::OutputObjects(
   gt->GetExternalObjects(objs, configName);
 
   const char* sep = isep ? isep : "";
-  for (std::vector<cmSourceFile const*>::const_iterator i = objs.begin();
-       i != objs.end(); ++i) {
-    if (!(*i)->GetObjectLibrary().empty()) {
-      std::string const& objFile = (*i)->GetFullPath();
+  for (cmSourceFile const* obj : objs) {
+    if (!obj->GetObjectLibrary().empty()) {
+      std::string const& objFile = obj->GetFullPath();
       std::string rel = lg->MaybeConvertToRelativePath(currentBinDir, objFile);
       fout << sep << lg->ConvertToXMLOutputPath(rel.c_str());
       sep = " ";
@@ -1344,10 +1339,8 @@ void cmLocalVisualStudio7Generator::OutputLibraryDirectories(
 {
   const char* comma = "";
   std::string currentBinDir = this->GetCurrentBinaryDirectory();
-  for (std::vector<std::string>::const_iterator d = dirs.begin();
-       d != dirs.end(); ++d) {
+  for (std::string dir : dirs) {
     // Remove any trailing slash and skip empty paths.
-    std::string dir = *d;
     if (dir.back() == '/') {
       dir = dir.substr(0, dir.size() - 1);
     }
@@ -1483,9 +1476,8 @@ cmLocalVisualStudio7GeneratorFCInfo::cmLocalVisualStudio7GeneratorFCInfo(
 
   // Compute per-source, per-config information.
   size_t ci = 0;
-  for (std::vector<std::string>::const_iterator i = configs.begin();
-       i != configs.end(); ++i, ++ci) {
-    std::string configUpper = cmSystemTools::UpperCase(*i);
+  for (std::string const& config : configs) {
+    std::string configUpper = cmSystemTools::UpperCase(config);
     cmLVS7GFileConfig fc;
 
     std::string lang =
@@ -1498,7 +1490,7 @@ cmLocalVisualStudio7GeneratorFCInfo::cmLocalVisualStudio7GeneratorFCInfo(
       lang = sourceLang;
     }
 
-    cmGeneratorExpressionInterpreter genexInterpreter(lg, *i, gt, lang);
+    cmGeneratorExpressionInterpreter genexInterpreter(lg, config, gt, lang);
 
     bool needfc = false;
     if (!objectName.empty()) {
@@ -1564,7 +1556,7 @@ cmLocalVisualStudio7GeneratorFCInfo::cmLocalVisualStudio7GeneratorFCInfo(
       }
     }
 
-    const std::string& linkLanguage = gt->GetLinkerLanguage(i->c_str());
+    const std::string& linkLanguage = gt->GetLinkerLanguage(config.c_str());
     // If HEADER_FILE_ONLY is set, we must suppress this generation in
     // the project file
     fc.ExcludedFromBuild = sf.GetPropertyAsBool("HEADER_FILE_ONLY") ||
@@ -1589,8 +1581,9 @@ cmLocalVisualStudio7GeneratorFCInfo::cmLocalVisualStudio7GeneratorFCInfo(
     }
 
     if (needfc) {
-      this->FileConfigMap[*i] = fc;
+      this->FileConfigMap[config] = fc;
     }
+    ++ci;
   }
 }
 
@@ -1654,16 +1647,14 @@ bool cmLocalVisualStudio7Generator::WriteGroup(
   }
 
   // Loop through each source in the source group.
-  for (std::vector<const cmSourceFile*>::const_iterator sf =
-         sourceFiles.begin();
-       sf != sourceFiles.end(); ++sf) {
-    std::string source = (*sf)->GetFullPath();
+  for (const cmSourceFile* sf : sourceFiles) {
+    std::string source = sf->GetFullPath();
 
     if (source != libName || target->GetType() == cmStateEnums::UTILITY ||
         target->GetType() == cmStateEnums::GLOBAL_TARGET) {
       // Look up the source kind and configs.
       std::map<cmSourceFile const*, size_t>::const_iterator map_it =
-        sources.Index.find(*sf);
+        sources.Index.find(sf);
       // The map entry must exist because we populated it earlier.
       assert(map_it != sources.Index.end());
       cmGeneratorTarget::AllConfigSource const& acs =
@@ -1676,7 +1667,7 @@ bool cmLocalVisualStudio7Generator::WriteGroup(
       // Tell MS-Dev what the source is.  If the compiler knows how to
       // build it, then it will.
       fout << "\t\t\t\tRelativePath=\"" << d << "\">\n";
-      if (cmCustomCommand const* command = (*sf)->GetCustomCommand()) {
+      if (cmCustomCommand const* command = sf->GetCustomCommand()) {
         this->WriteCustomRule(fout, configs, source.c_str(), *command, fcinfo);
       } else if (!fcinfo.FileConfigMap.empty()) {
         const char* aCompilerTool = "VCCLCompilerTool";
@@ -1684,8 +1675,8 @@ bool cmLocalVisualStudio7Generator::WriteGroup(
         if (this->FortranProject) {
           aCompilerTool = "VFFortranCompilerTool";
         }
-        std::string const& lang = (*sf)->GetLanguage();
-        std::string ext = (*sf)->GetExtension();
+        std::string const& lang = sf->GetLanguage();
+        std::string ext = sf->GetExtension();
         ext = cmSystemTools::LowerCase(ext);
         if (ext == "idl") {
           aCompilerTool = "VCMIDLTool";
@@ -1713,12 +1704,10 @@ bool cmLocalVisualStudio7Generator::WriteGroup(
         if (acs.Kind == cmGeneratorTarget::SourceKindExternalObject) {
           aCompilerTool = "VCCustomBuildTool";
         }
-        for (std::map<std::string, cmLVS7GFileConfig>::const_iterator fci =
-               fcinfo.FileConfigMap.begin();
-             fci != fcinfo.FileConfigMap.end(); ++fci) {
-          cmLVS7GFileConfig const& fc = fci->second;
+        for (auto const& fci : fcinfo.FileConfigMap) {
+          cmLVS7GFileConfig const& fc = fci.second;
           fout << "\t\t\t\t<FileConfiguration\n"
-               << "\t\t\t\t\tName=\"" << fci->first << "|"
+               << "\t\t\t\t\tName=\"" << fci.first << "|"
                << gg->GetPlatformName() << "\"";
           if (fc.ExcludedFromBuild) {
             fout << " ExcludedFromBuild=\"true\"";
@@ -1741,7 +1730,7 @@ bool cmLocalVisualStudio7Generator::WriteGroup(
             fileOptions.AddDefines(fc.CompileDefsConfig);
             // validate source level include directories
             std::vector<std::string> includes;
-            this->AppendIncludeDirectories(includes, fc.IncludeDirs, **sf);
+            this->AppendIncludeDirectories(includes, fc.IncludeDirs, *sf);
             fileOptions.AddIncludes(includes);
             fileOptions.OutputFlagMap(fout, 5);
             fileOptions.OutputAdditionalIncludeDirectories(
@@ -1794,12 +1783,11 @@ void cmLocalVisualStudio7Generator::WriteCustomRule(
   if (this->FortranProject) {
     customTool = "VFCustomBuildTool";
   }
-  for (std::vector<std::string>::const_iterator i = configs.begin();
-       i != configs.end(); ++i) {
-    cmCustomCommandGenerator ccg(command, *i, this);
-    cmLVS7GFileConfig const& fc = fcinfo.FileConfigMap[*i];
+  for (std::string const& config : configs) {
+    cmCustomCommandGenerator ccg(command, config, this);
+    cmLVS7GFileConfig const& fc = fcinfo.FileConfigMap[config];
     fout << "\t\t\t\t<FileConfiguration\n";
-    fout << "\t\t\t\t\tName=\"" << *i << "|" << gg->GetPlatformName()
+    fout << "\t\t\t\t\tName=\"" << config << "|" << gg->GetPlatformName()
          << "\">\n";
     if (!fc.CompileFlags.empty()) {
       fout << "\t\t\t\t\t<Tool\n"
@@ -1811,7 +1799,7 @@ void cmLocalVisualStudio7Generator::WriteCustomRule(
     std::string comment = this->ConstructComment(ccg);
     std::string script = this->ConstructScript(ccg);
     if (this->FortranProject) {
-      cmSystemTools::ReplaceString(script, "$(Configuration)", i->c_str());
+      cmSystemTools::ReplaceString(script, "$(Configuration)", config.c_str());
     }
     /* clang-format off */
     fout << "\t\t\t\t\t<Tool\n"
@@ -1832,12 +1820,10 @@ void cmLocalVisualStudio7Generator::WriteCustomRule(
       fout << this->ConvertToXMLOutputPath(source);
     } else {
       // Write out the dependencies for the rule.
-      for (std::vector<std::string>::const_iterator d =
-             ccg.GetDepends().begin();
-           d != ccg.GetDepends().end(); ++d) {
+      for (std::string const& d : ccg.GetDepends()) {
         // Get the real name of the dependency in case it is a CMake target.
         std::string dep;
-        if (this->GetRealDependency(d->c_str(), i->c_str(), dep)) {
+        if (this->GetRealDependency(d.c_str(), config.c_str(), dep)) {
           fout << this->ConvertToXMLOutputPath(dep.c_str()) << ";";
         }
       }
@@ -1849,10 +1835,8 @@ void cmLocalVisualStudio7Generator::WriteCustomRule(
     } else {
       // Write a rule for the output generated by this command.
       const char* sep = "";
-      for (std::vector<std::string>::const_iterator o =
-             ccg.GetOutputs().begin();
-           o != ccg.GetOutputs().end(); ++o) {
-        fout << sep << this->ConvertToXMLOutputPathSingle(o->c_str());
+      for (std::string const& output : ccg.GetOutputs()) {
+        fout << sep << this->ConvertToXMLOutputPathSingle(output.c_str());
         sep = ";";
       }
     }
@@ -2063,16 +2047,14 @@ void cmLocalVisualStudio7Generator::WriteVCProjFooter(
 {
   fout << "\t<Globals>\n";
 
-  std::vector<std::string> const& props = target->GetPropertyKeys();
-  for (std::vector<std::string>::const_iterator i = props.begin();
-       i != props.end(); ++i) {
-    if (i->find("VS_GLOBAL_") == 0) {
-      std::string name = i->substr(10);
+  for (std::string const& key : target->GetPropertyKeys()) {
+    if (key.find("VS_GLOBAL_") == 0) {
+      std::string name = key.substr(10);
       if (!name.empty()) {
         /* clang-format off */
         fout << "\t\t<Global\n"
              << "\t\t\tName=\"" << name << "\"\n"
-             << "\t\t\tValue=\"" << target->GetProperty(*i) << "\"\n"
+             << "\t\t\tValue=\"" << target->GetProperty(key) << "\"\n"
              << "\t\t/>\n";
         /* clang-format on */
       }
diff --git a/Source/cmMakefile.cxx b/Source/cmMakefile.cxx
index cc61318..3d22f57 100644
--- a/Source/cmMakefile.cxx
+++ b/Source/cmMakefile.cxx
@@ -292,13 +292,14 @@ void cmMakefile::PrintCommandTrace(const cmListFileFunction& lff) const
   std::string const& only_filename = cmSystemTools::GetFilenameName(full_path);
   bool trace = trace_only_this_files.empty();
   if (!trace) {
-    for (std::vector<std::string>::const_iterator i =
-           trace_only_this_files.begin();
-         !trace && i != trace_only_this_files.end(); ++i) {
-      std::string::size_type const pos = full_path.rfind(*i);
+    for (std::string const& file : trace_only_this_files) {
+      std::string::size_type const pos = full_path.rfind(file);
       trace = (pos != std::string::npos) &&
-        ((pos + i->size()) == full_path.size()) &&
-        (only_filename == cmSystemTools::GetFilenameName(*i));
+        ((pos + file.size()) == full_path.size()) &&
+        (only_filename == cmSystemTools::GetFilenameName(file));
+      if (trace) {
+        break;
+      }
     }
     // Do nothing if current file wasn't requested for trace...
     if (!trace) {
@@ -1848,10 +1849,8 @@ void cmMakefile::CheckForUnusedVariables() const
   if (!this->WarnUnused) {
     return;
   }
-  const std::vector<std::string>& unused = this->StateSnapshot.UnusedKeys();
-  std::vector<std::string>::const_iterator it = unused.begin();
-  for (; it != unused.end(); ++it) {
-    this->LogUnused("out of scope", *it);
+  for (const std::string& key : this->StateSnapshot.UnusedKeys()) {
+    this->LogUnused("out of scope", key);
   }
 }
 
@@ -3055,10 +3054,8 @@ bool cmMakefile::IsFunctionBlocked(const cmListFileFunction& lff,
 
   // loop over all function blockers to see if any block this command
   // evaluate in reverse, this is critical for balanced IF statements etc
-  std::vector<cmFunctionBlocker*>::reverse_iterator pos;
-  for (pos = this->FunctionBlockers.rbegin();
-       pos != this->FunctionBlockers.rend(); ++pos) {
-    if ((*pos)->IsFunctionBlocked(lff, *this, status)) {
+  for (cmFunctionBlocker* pos : cmReverseRange(this->FunctionBlockers)) {
+    if (pos->IsFunctionBlocked(lff, *this, status)) {
       return true;
     }
   }
diff --git a/Source/cmMakefileTargetGenerator.cxx b/Source/cmMakefileTargetGenerator.cxx
index af34169..9372ed5 100644
--- a/Source/cmMakefileTargetGenerator.cxx
+++ b/Source/cmMakefileTargetGenerator.cxx
@@ -974,18 +974,17 @@ bool cmMakefileTargetGenerator::WriteMakeRule(
   // For multiple outputs, make the extra ones depend on the first one.
   std::vector<std::string> const output_depends(1, outputs[0]);
   std::string binDir = this->LocalGenerator->GetBinaryDirectory();
-  for (std::vector<std::string>::const_iterator o = outputs.begin() + 1;
-       o != outputs.end(); ++o) {
+  for (std::string const& output : cmMakeRange(outputs).advance(1)) {
     // Touch the extra output so "make" knows that it was updated,
     // but only if the output was actually created.
     std::string const out = this->LocalGenerator->ConvertToOutputFormat(
-      this->LocalGenerator->MaybeConvertToRelativePath(binDir, *o),
+      this->LocalGenerator->MaybeConvertToRelativePath(binDir, output),
       cmOutputConverter::SHELL);
     std::vector<std::string> output_commands;
 
     bool o_symbolic = false;
     if (need_symbolic) {
-      if (cmSourceFile* sf = this->Makefile->GetSource(*o)) {
+      if (cmSourceFile* sf = this->Makefile->GetSource(output)) {
         o_symbolic = sf->GetPropertyAsBool("SYMBOLIC");
       }
     }
@@ -994,13 +993,13 @@ bool cmMakefileTargetGenerator::WriteMakeRule(
     if (!o_symbolic) {
       output_commands.push_back("@$(CMAKE_COMMAND) -E touch_nocreate " + out);
     }
-    this->LocalGenerator->WriteMakeRule(os, nullptr, *o, output_depends,
+    this->LocalGenerator->WriteMakeRule(os, nullptr, output, output_depends,
                                         output_commands, o_symbolic, in_help);
 
     if (!o_symbolic) {
       // At build time, remove the first output if this one does not exist
       // so that "make" will rerun the real commands that create this one.
-      MultipleOutputPairsType::value_type p(*o, outputs[0]);
+      MultipleOutputPairsType::value_type p(output, outputs[0]);
       this->MultipleOutputPairs.insert(p);
     }
   }
diff --git a/Source/cmQTWrapCPPCommand.cxx b/Source/cmQTWrapCPPCommand.cxx
index 6acc7ef..8b42119 100644
--- a/Source/cmQTWrapCPPCommand.cxx
+++ b/Source/cmQTWrapCPPCommand.cxx
@@ -2,6 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmQTWrapCPPCommand.h"
 
+#include "cmAlgorithms.h"
 #include "cmCustomCommandLines.h"
 #include "cmMakefile.h"
 #include "cmSourceFile.h"
@@ -29,13 +30,13 @@ bool cmQTWrapCPPCommand::InitialPass(std::vector<std::string> const& args,
   std::string sourceListValue = this->Makefile->GetSafeDefinition(sourceList);
 
   // Create a rule for all sources listed.
-  for (std::vector<std::string>::const_iterator j = (args.begin() + 2);
-       j != args.end(); ++j) {
-    cmSourceFile* curr = this->Makefile->GetSource(*j);
+  for (std::string const& arg : cmMakeRange(args).advance(2)) {
+    cmSourceFile* curr = this->Makefile->GetSource(arg);
     // if we should wrap the class
     if (!(curr && curr->GetPropertyAsBool("WRAP_EXCLUDE"))) {
       // Compute the name of the file to generate.
-      std::string srcName = cmSystemTools::GetFilenameWithoutLastExtension(*j);
+      std::string srcName =
+        cmSystemTools::GetFilenameWithoutLastExtension(arg);
       std::string newName = this->Makefile->GetCurrentBinaryDirectory();
       newName += "/moc_";
       newName += srcName;
@@ -47,8 +48,8 @@ bool cmQTWrapCPPCommand::InitialPass(std::vector<std::string> const& args,
 
       // Compute the name of the header from which to generate the file.
       std::string hname;
-      if (cmSystemTools::FileIsFullPath(*j)) {
-        hname = *j;
+      if (cmSystemTools::FileIsFullPath(arg)) {
+        hname = arg;
       } else {
         if (curr && curr->GetIsGenerated()) {
           hname = this->Makefile->GetCurrentBinaryDirectory();
@@ -56,7 +57,7 @@ bool cmQTWrapCPPCommand::InitialPass(std::vector<std::string> const& args,
           hname = this->Makefile->GetCurrentSourceDirectory();
         }
         hname += "/";
-        hname += *j;
+        hname += arg;
       }
 
       // Append the generated source file to the list.
diff --git a/Source/cmQTWrapUICommand.cxx b/Source/cmQTWrapUICommand.cxx
index 43b1fb9..6a620c1 100644
--- a/Source/cmQTWrapUICommand.cxx
+++ b/Source/cmQTWrapUICommand.cxx
@@ -2,6 +2,7 @@
    file Copyright.txt or https://cmake.org/licensing for details.  */
 #include "cmQTWrapUICommand.h"
 
+#include "cmAlgorithms.h"
 #include "cmCustomCommandLines.h"
 #include "cmMakefile.h"
 #include "cmSourceFile.h"
@@ -33,13 +34,13 @@ bool cmQTWrapUICommand::InitialPass(std::vector<std::string> const& args,
   std::string sourceListValue = this->Makefile->GetSafeDefinition(sourceList);
 
   // Create rules for all sources listed.
-  for (std::vector<std::string>::const_iterator j = (args.begin() + 3);
-       j != args.end(); ++j) {
-    cmSourceFile* curr = this->Makefile->GetSource(*j);
+  for (std::string const& arg : cmMakeRange(args).advance(3)) {
+    cmSourceFile* curr = this->Makefile->GetSource(arg);
     // if we should wrap the class
     if (!(curr && curr->GetPropertyAsBool("WRAP_EXCLUDE"))) {
       // Compute the name of the files to generate.
-      std::string srcName = cmSystemTools::GetFilenameWithoutLastExtension(*j);
+      std::string srcName =
+        cmSystemTools::GetFilenameWithoutLastExtension(arg);
       std::string hName = this->Makefile->GetCurrentBinaryDirectory();
       hName += "/";
       hName += srcName;
@@ -55,8 +56,8 @@ bool cmQTWrapUICommand::InitialPass(std::vector<std::string> const& args,
 
       // Compute the name of the ui file from which to generate others.
       std::string uiName;
-      if (cmSystemTools::FileIsFullPath(*j)) {
-        uiName = *j;
+      if (cmSystemTools::FileIsFullPath(arg)) {
+        uiName = arg;
       } else {
         if (curr && curr->GetIsGenerated()) {
           uiName = this->Makefile->GetCurrentBinaryDirectory();
@@ -64,7 +65,7 @@ bool cmQTWrapUICommand::InitialPass(std::vector<std::string> const& args,
           uiName = this->Makefile->GetCurrentSourceDirectory();
         }
         uiName += "/";
-        uiName += *j;
+        uiName += arg;
       }
 
       // create the list of headers
diff --git a/Source/cmSetPropertyCommand.cxx b/Source/cmSetPropertyCommand.cxx
index 3c4111b..2a0ccb4 100644
--- a/Source/cmSetPropertyCommand.cxx
+++ b/Source/cmSetPropertyCommand.cxx
@@ -4,6 +4,7 @@
 
 #include <sstream>
 
+#include "cmAlgorithms.h"
 #include "cmGlobalGenerator.h"
 #include "cmInstalledFile.h"
 #include "cmMakefile.h"
@@ -33,25 +34,25 @@ bool cmSetPropertyCommand::InitialPass(std::vector<std::string> const& args,
   }
 
   // Get the scope on which to set the property.
-  std::vector<std::string>::const_iterator arg = args.begin();
+  std::string const& scopeName = args.front();
   cmProperty::ScopeType scope;
-  if (*arg == "GLOBAL") {
+  if (scopeName == "GLOBAL") {
     scope = cmProperty::GLOBAL;
-  } else if (*arg == "DIRECTORY") {
+  } else if (scopeName == "DIRECTORY") {
     scope = cmProperty::DIRECTORY;
-  } else if (*arg == "TARGET") {
+  } else if (scopeName == "TARGET") {
     scope = cmProperty::TARGET;
-  } else if (*arg == "SOURCE") {
+  } else if (scopeName == "SOURCE") {
     scope = cmProperty::SOURCE_FILE;
-  } else if (*arg == "TEST") {
+  } else if (scopeName == "TEST") {
     scope = cmProperty::TEST;
-  } else if (*arg == "CACHE") {
+  } else if (scopeName == "CACHE") {
     scope = cmProperty::CACHE;
-  } else if (*arg == "INSTALL") {
+  } else if (scopeName == "INSTALL") {
     scope = cmProperty::INSTALL;
   } else {
     std::ostringstream e;
-    e << "given invalid scope " << *arg << ".  "
+    e << "given invalid scope " << scopeName << ".  "
       << "Valid scopes are GLOBAL, DIRECTORY, "
          "TARGET, SOURCE, TEST, CACHE, INSTALL.";
     this->SetError(e.str());
@@ -68,32 +69,32 @@ bool cmSetPropertyCommand::InitialPass(std::vector<std::string> const& args,
   };
   Doing doing = DoingNames;
   const char* sep = "";
-  for (++arg; arg != args.end(); ++arg) {
-    if (*arg == "PROPERTY") {
+  for (std::string const& arg : cmMakeRange(args).advance(1)) {
+    if (arg == "PROPERTY") {
       doing = DoingProperty;
-    } else if (*arg == "APPEND") {
+    } else if (arg == "APPEND") {
       doing = DoingNone;
       this->AppendMode = true;
       this->Remove = false;
       this->AppendAsString = false;
-    } else if (*arg == "APPEND_STRING") {
+    } else if (arg == "APPEND_STRING") {
       doing = DoingNone;
       this->AppendMode = true;
       this->Remove = false;
       this->AppendAsString = true;
     } else if (doing == DoingNames) {
-      this->Names.insert(*arg);
+      this->Names.insert(arg);
     } else if (doing == DoingProperty) {
-      this->PropertyName = *arg;
+      this->PropertyName = arg;
       doing = DoingValues;
     } else if (doing == DoingValues) {
       this->PropertyValue += sep;
       sep = ";";
-      this->PropertyValue += *arg;
+      this->PropertyValue += arg;
       this->Remove = false;
     } else {
       std::ostringstream e;
-      e << "given invalid argument \"" << *arg << "\".";
+      e << "given invalid argument \"" << arg << "\".";
       this->SetError(e.str());
       return false;
     }
diff --git a/Source/cmStateDirectory.cxx b/Source/cmStateDirectory.cxx
index 6752743..15c8a61 100644
--- a/Source/cmStateDirectory.cxx
+++ b/Source/cmStateDirectory.cxx
@@ -8,6 +8,7 @@
 #include <iterator>
 #include <utility>
 
+#include "cmAlgorithms.h"
 #include "cmProperty.h"
 #include "cmPropertyMap.h"
 #include "cmState.h"
@@ -40,9 +41,8 @@ void cmStateDirectory::ComputeRelativePathTopSource()
 
   std::string result = snapshots.front().GetDirectory().GetCurrentSource();
 
-  for (std::vector<cmStateSnapshot>::const_iterator it = snapshots.begin() + 1;
-       it != snapshots.end(); ++it) {
-    std::string currentSource = it->GetDirectory().GetCurrentSource();
+  for (cmStateSnapshot const& snp : cmMakeRange(snapshots).advance(1)) {
+    std::string currentSource = snp.GetDirectory().GetCurrentSource();
     if (cmSystemTools::IsSubDirectory(result, currentSource)) {
       result = currentSource;
     }
@@ -66,9 +66,8 @@ void cmStateDirectory::ComputeRelativePathTopBinary()
 
   std::string result = snapshots.front().GetDirectory().GetCurrentBinary();
 
-  for (std::vector<cmStateSnapshot>::const_iterator it = snapshots.begin() + 1;
-       it != snapshots.end(); ++it) {
-    std::string currentBinary = it->GetDirectory().GetCurrentBinary();
+  for (cmStateSnapshot const& snp : cmMakeRange(snapshots).advance(1)) {
+    std::string currentBinary = snp.GetDirectory().GetCurrentBinary();
     if (cmSystemTools::IsSubDirectory(result, currentBinary)) {
       result = currentBinary;
     }
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index ba40ce1..aa4e3f9 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -542,8 +542,7 @@ std::vector<std::string> cmSystemTools::HandleResponseFile(
   std::vector<std::string>::const_iterator argEnd)
 {
   std::vector<std::string> arg_full;
-  for (std::vector<std::string>::const_iterator a = argBeg; a != argEnd; ++a) {
-    std::string const& arg = *a;
+  for (std::string const& arg : cmMakeRange(argBeg, argEnd)) {
     if (cmHasLiteralPrefix(arg, "@")) {
       cmsys::ifstream responseFile(arg.substr(1).c_str(), std::ios::in);
       if (!responseFile) {
@@ -1219,9 +1218,8 @@ void cmSystemTools::GlobDirs(const std::string& path,
 void cmSystemTools::ExpandList(std::vector<std::string> const& arguments,
                                std::vector<std::string>& newargs)
 {
-  std::vector<std::string>::const_iterator i;
-  for (i = arguments.begin(); i != arguments.end(); ++i) {
-    cmSystemTools::ExpandListArgument(*i, newargs);
+  for (std::string const& arg : arguments) {
+    cmSystemTools::ExpandListArgument(arg, newargs);
   }
 }
 
diff --git a/Source/cmTarget.cxx b/Source/cmTarget.cxx
index 93cdd46..e871634 100644
--- a/Source/cmTarget.cxx
+++ b/Source/cmTarget.cxx
@@ -707,10 +707,8 @@ std::string cmTarget::GetDebugGeneratorExpressions(
   std::string configString = "$<CONFIG:" + debugConfigs[0] + ">";
 
   if (debugConfigs.size() > 1) {
-    for (std::vector<std::string>::const_iterator li =
-           debugConfigs.begin() + 1;
-         li != debugConfigs.end(); ++li) {
-      configString += ",$<CONFIG:" + *li + ">";
+    for (std::string const& conf : cmMakeRange(debugConfigs).advance(1)) {
+      configString += ",$<CONFIG:" + conf + ">";
     }
     configString = "$<OR:" + configString + ">";
   }
diff --git a/Source/cmTestGenerator.cxx b/Source/cmTestGenerator.cxx
index 5102613..a0e309d 100644
--- a/Source/cmTestGenerator.cxx
+++ b/Source/cmTestGenerator.cxx
@@ -5,6 +5,7 @@
 #include <ostream>
 #include <utility>
 
+#include "cmAlgorithms.h"
 #include "cmGeneratorExpression.h"
 #include "cmGeneratorTarget.h"
 #include "cmListFileCache.h"
@@ -94,10 +95,8 @@ void cmTestGenerator::GenerateScriptForConfig(std::ostream& os,
       std::string emulatorExe(emulatorWithArgs[0]);
       cmSystemTools::ConvertToUnixSlashes(emulatorExe);
       os << cmOutputConverter::EscapeForCMake(emulatorExe) << " ";
-      for (std::vector<std::string>::const_iterator ei =
-             emulatorWithArgs.begin() + 1;
-           ei != emulatorWithArgs.end(); ++ei) {
-        os << cmOutputConverter::EscapeForCMake(*ei) << " ";
+      for (std::string const& arg : cmMakeRange(emulatorWithArgs).advance(1)) {
+        os << cmOutputConverter::EscapeForCMake(arg) << " ";
       }
     }
   } else {
@@ -108,11 +107,10 @@ void cmTestGenerator::GenerateScriptForConfig(std::ostream& os,
 
   // Generate the command line with full escapes.
   os << cmOutputConverter::EscapeForCMake(exe);
-  for (std::vector<std::string>::const_iterator ci = command.begin() + 1;
-       ci != command.end(); ++ci) {
+  for (std::string const& arg : cmMakeRange(command).advance(1)) {
     os << " "
        << cmOutputConverter::EscapeForCMake(
-            ge.Parse(*ci)->Evaluate(this->LG, config));
+            ge.Parse(arg)->Evaluate(this->LG, config));
   }
 
   // Finish the test command.
@@ -157,12 +155,11 @@ void cmTestGenerator::GenerateOldStyle(std::ostream& fout, Indent indent)
   fout << "add_test(";
   fout << this->Test->GetName() << " \"" << exe << "\"";
 
-  for (std::vector<std::string>::const_iterator argit = command.begin() + 1;
-       argit != command.end(); ++argit) {
+  for (std::string const& arg : cmMakeRange(command).advance(1)) {
     // Just double-quote all arguments so they are re-parsed
     // correctly by the test system.
     fout << " \"";
-    for (char c : *argit) {
+    for (char c : arg) {
       // Escape quotes within arguments.  We should escape
       // backslashes too but we cannot because it makes the result
       // inconsistent with previous behavior of this command.
diff --git a/Source/cmTryRunCommand.cxx b/Source/cmTryRunCommand.cxx
index c57aabd..0f7323d 100644
--- a/Source/cmTryRunCommand.cxx
+++ b/Source/cmTryRunCommand.cxx
@@ -5,6 +5,7 @@
 #include "cmsys/FStream.hxx"
 #include <stdio.h>
 
+#include "cmAlgorithms.h"
 #include "cmDuration.h"
 #include "cmMakefile.h"
 #include "cmMessageType.h"
@@ -174,11 +175,9 @@ void cmTryRunCommand::RunExecutable(const std::string& runArgs,
     finalCommand +=
       cmSystemTools::ConvertToRunCommandPath(emulatorWithArgs[0].c_str());
     finalCommand += " ";
-    for (std::vector<std::string>::const_iterator ei =
-           emulatorWithArgs.begin() + 1;
-         ei != emulatorWithArgs.end(); ++ei) {
+    for (std::string const& arg : cmMakeRange(emulatorWithArgs).advance(1)) {
       finalCommand += "\"";
-      finalCommand += *ei;
+      finalCommand += arg;
       finalCommand += "\"";
       finalCommand += " ";
     }
diff --git a/Source/cmVisualStudioGeneratorOptions.cxx b/Source/cmVisualStudioGeneratorOptions.cxx
index 5c3e533..e8b2668 100644
--- a/Source/cmVisualStudioGeneratorOptions.cxx
+++ b/Source/cmVisualStudioGeneratorOptions.cxx
@@ -438,14 +438,13 @@ void cmVisualStudioGeneratorOptions::OutputPreprocessorDefinitions(
   const char* sep = "";
   std::vector<std::string>::const_iterator de =
     cmRemoveDuplicates(this->Defines);
-  for (std::vector<std::string>::const_iterator di = this->Defines.begin();
-       di != de; ++di) {
+  for (std::string const& di : cmMakeRange(this->Defines.cbegin(), de)) {
     // Escape the definition for the compiler.
     std::string define;
     if (this->Version < cmGlobalVisualStudioGenerator::VS10) {
-      define = this->LocalGenerator->EscapeForShell(*di, true);
+      define = this->LocalGenerator->EscapeForShell(di, true);
     } else {
-      define = *di;
+      define = di;
     }
     // Escape this flag for the MSBuild.
     if (this->Version >= cmGlobalVisualStudioGenerator::VS10) {