clang-tidy: fix `bugprone-reserved-identifier` warnings

12 files changed, 60 insertions, 49 deletions

diff --git a/Source/cmFileCommand.cxx b/Source/cmFileCommand.cxx
index 9815d9d182..b06eedbbc8 100644
--- a/Source/cmFileCommand.cxx
+++ b/Source/cmFileCommand.cxx
@@ -334,7 +334,7 @@ bool HandleStringsCommand(std::vector<std::string> const& args,
     arg_limit_count,
     arg_length_minimum,
     arg_length_maximum,
-    arg__maximum,
+    arg_maximum,
     arg_regex,
     arg_encoding
   };
diff --git a/Source/cmGraphVizWriter.cxx b/Source/cmGraphVizWriter.cxx
index 92ffe2969a..95cac20d51 100644
--- a/Source/cmGraphVizWriter.cxx
+++ b/Source/cmGraphVizWriter.cxx
@@ -230,7 +230,7 @@ void cmGraphVizWriter::ReadSettings(
 
   std::cout << "Reading GraphViz options file: " << inFileName << std::endl;
 
-#define __set_if_set(var, cmakeDefinition)                                    \
+#define set_if_set(var, cmakeDefinition)                                      \
   do {                                                                        \
     cmProp value = mf.GetDefinition(cmakeDefinition);                         \
     if (value) {                                                              \
@@ -238,11 +238,11 @@ void cmGraphVizWriter::ReadSettings(
     }                                                                         \
   } while (false)
 
-  __set_if_set(this->GraphName, "GRAPHVIZ_GRAPH_NAME");
-  __set_if_set(this->GraphHeader, "GRAPHVIZ_GRAPH_HEADER");
-  __set_if_set(this->GraphNodePrefix, "GRAPHVIZ_NODE_PREFIX");
+  set_if_set(this->GraphName, "GRAPHVIZ_GRAPH_NAME");
+  set_if_set(this->GraphHeader, "GRAPHVIZ_GRAPH_HEADER");
+  set_if_set(this->GraphNodePrefix, "GRAPHVIZ_NODE_PREFIX");
 
-#define __set_bool_if_set(var, cmakeDefinition)                               \
+#define set_bool_if_set(var, cmakeDefinition)                                 \
   do {                                                                        \
     cmProp value = mf.GetDefinition(cmakeDefinition);                         \
     if (value) {                                                              \
@@ -250,20 +250,20 @@ void cmGraphVizWriter::ReadSettings(
     }                                                                         \
   } while (false)
 
-  __set_bool_if_set(this->GenerateForExecutables, "GRAPHVIZ_EXECUTABLES");
-  __set_bool_if_set(this->GenerateForStaticLibs, "GRAPHVIZ_STATIC_LIBS");
-  __set_bool_if_set(this->GenerateForSharedLibs, "GRAPHVIZ_SHARED_LIBS");
-  __set_bool_if_set(this->GenerateForModuleLibs, "GRAPHVIZ_MODULE_LIBS");
-  __set_bool_if_set(this->GenerateForInterfaceLibs, "GRAPHVIZ_INTERFACE_LIBS");
-  __set_bool_if_set(this->GenerateForObjectLibs, "GRAPHVIZ_OBJECT_LIBS");
-  __set_bool_if_set(this->GenerateForUnknownLibs, "GRAPHVIZ_UNKNOWN_LIBS");
-  __set_bool_if_set(this->GenerateForCustomTargets, "GRAPHVIZ_CUSTOM_TARGETS");
-  __set_bool_if_set(this->GenerateForExternals, "GRAPHVIZ_EXTERNAL_LIBS");
-  __set_bool_if_set(this->GeneratePerTarget, "GRAPHVIZ_GENERATE_PER_TARGET");
-  __set_bool_if_set(this->GenerateDependers, "GRAPHVIZ_GENERATE_DEPENDERS");
+  set_bool_if_set(this->GenerateForExecutables, "GRAPHVIZ_EXECUTABLES");
+  set_bool_if_set(this->GenerateForStaticLibs, "GRAPHVIZ_STATIC_LIBS");
+  set_bool_if_set(this->GenerateForSharedLibs, "GRAPHVIZ_SHARED_LIBS");
+  set_bool_if_set(this->GenerateForModuleLibs, "GRAPHVIZ_MODULE_LIBS");
+  set_bool_if_set(this->GenerateForInterfaceLibs, "GRAPHVIZ_INTERFACE_LIBS");
+  set_bool_if_set(this->GenerateForObjectLibs, "GRAPHVIZ_OBJECT_LIBS");
+  set_bool_if_set(this->GenerateForUnknownLibs, "GRAPHVIZ_UNKNOWN_LIBS");
+  set_bool_if_set(this->GenerateForCustomTargets, "GRAPHVIZ_CUSTOM_TARGETS");
+  set_bool_if_set(this->GenerateForExternals, "GRAPHVIZ_EXTERNAL_LIBS");
+  set_bool_if_set(this->GeneratePerTarget, "GRAPHVIZ_GENERATE_PER_TARGET");
+  set_bool_if_set(this->GenerateDependers, "GRAPHVIZ_GENERATE_DEPENDERS");
 
   std::string ignoreTargetsRegexes;
-  __set_if_set(ignoreTargetsRegexes, "GRAPHVIZ_IGNORE_TARGETS");
+  set_if_set(ignoreTargetsRegexes, "GRAPHVIZ_IGNORE_TARGETS");
 
   this->TargetsToIgnoreRegex.clear();
   if (!ignoreTargetsRegexes.empty()) {
diff --git a/Source/cmLoadCommandCommand.cxx b/Source/cmLoadCommandCommand.cxx
index adebe02531..9c0b40072a 100644
--- a/Source/cmLoadCommandCommand.cxx
+++ b/Source/cmLoadCommandCommand.cxx
@@ -3,10 +3,12 @@
 
 #if !defined(_WIN32) && !defined(__sun)
 // POSIX APIs are needed
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _POSIX_C_SOURCE 200809L
 #endif
 #if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
 // For isascii
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _XOPEN_SOURCE 700
 #endif
 
diff --git a/Source/cmOutputConverter.cxx b/Source/cmOutputConverter.cxx
index 359e9f5a99..ec5453716a 100644
--- a/Source/cmOutputConverter.cxx
+++ b/Source/cmOutputConverter.cxx
@@ -121,7 +121,7 @@ std::string cmOutputConverter::EscapeForShell(
     flags |= Shell_Flag_IsUnix;
   }
 
-  return Shell__GetArgument(str, flags);
+  return Shell_GetArgument(str, flags);
 }
 
 std::string cmOutputConverter::EscapeForCMake(cm::string_view str)
@@ -150,7 +150,7 @@ std::string cmOutputConverter::EscapeForCMake(cm::string_view str)
 std::string cmOutputConverter::EscapeWindowsShellArgument(cm::string_view arg,
                                                           int shell_flags)
 {
-  return Shell__GetArgument(arg, shell_flags);
+  return Shell_GetArgument(arg, shell_flags);
 }
 
 cmOutputConverter::FortranFormat cmOutputConverter::GetFortranFormat(
@@ -226,12 +226,12 @@ use the caret character itself (^), use two in a row (^^).
 */
 
 /* Some helpers to identify character classes */
-static bool Shell__CharIsWhitespace(char c)
+static bool Shell_CharIsWhitespace(char c)
 {
   return ((c == ' ') || (c == '\t'));
 }
 
-static bool Shell__CharNeedsQuotesOnUnix(char c)
+static bool Shell_CharNeedsQuotesOnUnix(char c)
 {
   return ((c == '\'') || (c == '`') || (c == ';') || (c == '#') ||
           (c == '&') || (c == '$') || (c == '(') || (c == ')') || (c == '~') ||
@@ -239,18 +239,18 @@ static bool Shell__CharNeedsQuotesOnUnix(char c)
           (c == '\\'));
 }
 
-static bool Shell__CharNeedsQuotesOnWindows(char c)
+static bool Shell_CharNeedsQuotesOnWindows(char c)
 {
   return ((c == '\'') || (c == '#') || (c == '&') || (c == '<') ||
           (c == '>') || (c == '|') || (c == '^'));
 }
 
-static bool Shell__CharIsMakeVariableName(char c)
+static bool Shell_CharIsMakeVariableName(char c)
 {
   return c && (c == '_' || isalpha((static_cast<int>(c))));
 }
 
-bool cmOutputConverter::Shell__CharNeedsQuotes(char c, int flags)
+bool cmOutputConverter::Shell_CharNeedsQuotes(char c, int flags)
 {
   /* On Windows the built-in command shell echo never needs quotes.  */
   if (!(flags & Shell_Flag_IsUnix) && (flags & Shell_Flag_EchoWindows)) {
@@ -258,30 +258,30 @@ bool cmOutputConverter::Shell__CharNeedsQuotes(char c, int flags)
   }
 
   /* On all platforms quotes are needed to preserve whitespace.  */
-  if (Shell__CharIsWhitespace(c)) {
+  if (Shell_CharIsWhitespace(c)) {
     return true;
   }
 
   if (flags & Shell_Flag_IsUnix) {
     /* On UNIX several special characters need quotes to preserve them.  */
-    if (Shell__CharNeedsQuotesOnUnix(c)) {
+    if (Shell_CharNeedsQuotesOnUnix(c)) {
       return true;
     }
   } else {
     /* On Windows several special characters need quotes to preserve them.  */
-    if (Shell__CharNeedsQuotesOnWindows(c)) {
+    if (Shell_CharNeedsQuotesOnWindows(c)) {
       return true;
     }
   }
   return false;
 }
 
-cm::string_view::iterator cmOutputConverter::Shell__SkipMakeVariables(
+cm::string_view::iterator cmOutputConverter::Shell_SkipMakeVariables(
   cm::string_view::iterator c, cm::string_view::iterator end)
 {
   while ((c != end && (c + 1) != end) && (*c == '$' && *(c + 1) == '(')) {
     cm::string_view::iterator skip = c + 2;
-    while ((skip != end) && Shell__CharIsMakeVariableName(*skip)) {
+    while ((skip != end) && Shell_CharIsMakeVariableName(*skip)) {
       ++skip;
     }
     if ((skip != end) && *skip == ')') {
@@ -316,8 +316,8 @@ flag later when we understand applications of this better.
 */
 #define KWSYS_SYSTEM_SHELL_QUOTE_MAKE_VARIABLES 0
 
-bool cmOutputConverter::Shell__ArgumentNeedsQuotes(cm::string_view in,
-                                                   int flags)
+bool cmOutputConverter::Shell_ArgumentNeedsQuotes(cm::string_view in,
+                                                  int flags)
 {
   /* The empty string needs quotes.  */
   if (in.empty()) {
@@ -330,7 +330,7 @@ bool cmOutputConverter::Shell__ArgumentNeedsQuotes(cm::string_view in,
     /* Look for $(MAKEVAR) syntax if requested.  */
     if (flags & Shell_Flag_AllowMakeVariables) {
 #if KWSYS_SYSTEM_SHELL_QUOTE_MAKE_VARIABLES
-      cm::string_view::iterator skip = Shell__SkipMakeVariables(cit, cend);
+      cm::string_view::iterator skip = Shell_SkipMakeVariables(cit, cend);
       if (skip != cit) {
         /* We need to quote make variable references to preserve the
            string with contents substituted in its place.  */
@@ -338,7 +338,7 @@ bool cmOutputConverter::Shell__ArgumentNeedsQuotes(cm::string_view in,
       }
 #else
       /* Skip over the make variable references if any are present.  */
-      cit = Shell__SkipMakeVariables(cit, cend);
+      cit = Shell_SkipMakeVariables(cit, cend);
 
       /* Stop if we have reached the end of the string.  */
       if (cit == cend) {
@@ -348,7 +348,7 @@ bool cmOutputConverter::Shell__ArgumentNeedsQuotes(cm::string_view in,
     }
 
     /* Check whether this character needs quotes.  */
-    if (Shell__CharNeedsQuotes(*cit, flags)) {
+    if (Shell_CharNeedsQuotes(*cit, flags)) {
       return true;
     }
   }
@@ -364,8 +364,7 @@ bool cmOutputConverter::Shell__ArgumentNeedsQuotes(cm::string_view in,
   return false;
 }
 
-std::string cmOutputConverter::Shell__GetArgument(cm::string_view in,
-                                                  int flags)
+std::string cmOutputConverter::Shell_GetArgument(cm::string_view in, int flags)
 {
   /* Output will be at least as long as input string.  */
   std::string out;
@@ -375,7 +374,7 @@ std::string cmOutputConverter::Shell__GetArgument(cm::string_view in,
   int windows_backslashes = 0;
 
   /* Whether the argument must be quoted.  */
-  int needQuotes = Shell__ArgumentNeedsQuotes(in, flags);
+  int needQuotes = Shell_ArgumentNeedsQuotes(in, flags);
   if (needQuotes) {
     /* Add the opening quote for this argument.  */
     if (flags & Shell_Flag_WatcomQuote) {
@@ -393,7 +392,7 @@ std::string cmOutputConverter::Shell__GetArgument(cm::string_view in,
        cit != cend; ++cit) {
     /* Look for $(MAKEVAR) syntax if requested.  */
     if (flags & Shell_Flag_AllowMakeVariables) {
-      cm::string_view::iterator skip = Shell__SkipMakeVariables(cit, cend);
+      cm::string_view::iterator skip = Shell_SkipMakeVariables(cit, cend);
       if (skip != cit) {
         /* Copy to the end of the make variable references.  */
         while (cit != skip) {
diff --git a/Source/cmOutputConverter.h b/Source/cmOutputConverter.h
index 655bc87032..ac7e7a046d 100644
--- a/Source/cmOutputConverter.h
+++ b/Source/cmOutputConverter.h
@@ -105,11 +105,11 @@ public:
 private:
   cmState* GetState() const;
 
-  static bool Shell__CharNeedsQuotes(char c, int flags);
-  static cm::string_view::iterator Shell__SkipMakeVariables(
+  static bool Shell_CharNeedsQuotes(char c, int flags);
+  static cm::string_view::iterator Shell_SkipMakeVariables(
     cm::string_view::iterator begin, cm::string_view::iterator end);
-  static bool Shell__ArgumentNeedsQuotes(cm::string_view in, int flags);
-  static std::string Shell__GetArgument(cm::string_view in, int flags);
+  static bool Shell_ArgumentNeedsQuotes(cm::string_view in, int flags);
+  static std::string Shell_GetArgument(cm::string_view in, int flags);
 
 private:
   cmStateSnapshot StateSnapshot;
diff --git a/Source/cmStandardLexer.h b/Source/cmStandardLexer.h
index 0203779891..2689ba1291 100644
--- a/Source/cmStandardLexer.h
+++ b/Source/cmStandardLexer.h
@@ -4,18 +4,22 @@
 
 #if defined(__linux)
 /* Needed for glibc < 2.12 */
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _XOPEN_SOURCE 600
 #endif
 #if !defined(_WIN32) && !defined(__sun)
 /* POSIX APIs are needed */
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _POSIX_C_SOURCE 200809L
 #endif
 #if defined(__sun) && defined(__GNUC__) && !defined(__cplusplus)
 /* C sources: for fileno and strdup */
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _XOPEN_SOURCE 600
 #endif
 #if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__)
 /* For isascii */
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _XOPEN_SOURCE 700
 #endif
 
diff --git a/Source/cmString.cxx b/Source/cmString.cxx
index 87212426f5..aefaa6465e 100644
--- a/Source/cmString.cxx
+++ b/Source/cmString.cxx
@@ -1,5 +1,6 @@
 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
    file Copyright.txt or https://cmake.org/licensing for details.  */
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #define _SCL_SECURE_NO_WARNINGS
 
 #include "cmString.hxx"
diff --git a/Source/cmStringCommand.cxx b/Source/cmStringCommand.cxx
index 0c8adc72a7..23fc3e0f60 100644
--- a/Source/cmStringCommand.cxx
+++ b/Source/cmStringCommand.cxx
@@ -1,5 +1,6 @@
 /* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
    file Copyright.txt or https://cmake.org/licensing for details.  */
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #define _SCL_SECURE_NO_WARNINGS
 
 #include "cmStringCommand.h"
diff --git a/Source/cmSystemTools.cxx b/Source/cmSystemTools.cxx
index 024356f52d..18c266ff8b 100644
--- a/Source/cmSystemTools.cxx
+++ b/Source/cmSystemTools.cxx
@@ -3,11 +3,13 @@
 
 #if !defined(_WIN32) && !defined(__sun)
 // POSIX APIs are needed
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _POSIX_C_SOURCE 200809L
 #endif
 #if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) ||    \
   defined(__QNX__)
 // For isascii
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _XOPEN_SOURCE 700
 #endif
 
diff --git a/Source/cmTimestamp.cxx b/Source/cmTimestamp.cxx
index 7fb69bf7ff..e03a5674c3 100644
--- a/Source/cmTimestamp.cxx
+++ b/Source/cmTimestamp.cxx
@@ -3,11 +3,13 @@
 
 #if !defined(_WIN32) && !defined(__sun)
 // POSIX APIs are needed
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _POSIX_C_SOURCE 200809L
 #endif
 #if defined(__OpenBSD__) || defined(__FreeBSD__) || defined(__NetBSD__) ||    \
   defined(__QNX__)
 // For isascii
+// NOLINTNEXTLINE(bugprone-reserved-identifier)
 #  define _XOPEN_SOURCE 700
 #endif
 
diff --git a/Source/cmUVHandlePtr.h b/Source/cmUVHandlePtr.h
index 356e2272ea..8c5ad59832 100644
--- a/Source/cmUVHandlePtr.h
+++ b/Source/cmUVHandlePtr.h
@@ -78,7 +78,7 @@ template <typename T>
 class uv_handle_ptr_base_
 {
 protected:
-  template <typename _T>
+  template <typename U>
   friend class uv_handle_ptr_base_;
 
   /**
@@ -160,7 +160,7 @@ inline uv_handle_ptr_base_<T>& uv_handle_ptr_base_<T>::operator=(
 template <typename T>
 class uv_handle_ptr_ : public uv_handle_ptr_base_<T>
 {
-  template <typename _T>
+  template <typename U>
   friend class uv_handle_ptr_;
 
 public:
diff --git a/Source/cmVersion.h b/Source/cmVersion.h
index 9072c9fb56..456428c5bd 100644
--- a/Source/cmVersion.h
+++ b/Source/cmVersion.h
@@ -24,8 +24,8 @@ public:
 
 /* Encode with room for up to 1000 minor releases between major releases
    and to encode dates until the year 10000 in the patch level.  */
-#define CMake_VERSION_ENCODE__BASE KWIML_INT_UINT64_C(100000000)
+#define CMake_VERSION_ENCODE_BASE KWIML_INT_UINT64_C(100000000)
 #define CMake_VERSION_ENCODE(major, minor, patch)                             \
-  ((((major)*1000u) * CMake_VERSION_ENCODE__BASE) +                           \
-   (((minor) % 1000u) * CMake_VERSION_ENCODE__BASE) +                         \
-   (((patch) % CMake_VERSION_ENCODE__BASE)))
+  ((((major)*1000u) * CMake_VERSION_ENCODE_BASE) +                            \
+   (((minor) % 1000u) * CMake_VERSION_ENCODE_BASE) +                          \
+   (((patch) % CMake_VERSION_ENCODE_BASE)))