Modernize: Use ranged for-loops when possible

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

Fixes: #18858

1 files changed, 11 insertions, 14 deletions

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;
     }
   }