Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

1 files changed, 115 insertions, 172 deletions

diff --git a/Source/cmExportCommand.cxx b/Source/cmExportCommand.cxx
index ee8865e..a0e7e45 100644
--- a/Source/cmExportCommand.cxx
+++ b/Source/cmExportCommand.cxx
@@ -26,226 +26,184 @@
 #endif
 
 cmExportCommand::cmExportCommand()
-:cmCommand()
-,ArgumentGroup()
-,Targets(&Helper, "TARGETS")
-,Append(&Helper, "APPEND", &ArgumentGroup)
-,ExportSetName(&Helper, "EXPORT", &ArgumentGroup)
-,Namespace(&Helper, "NAMESPACE", &ArgumentGroup)
-,Filename(&Helper, "FILE", &ArgumentGroup)
-,ExportOld(&Helper, "EXPORT_LINK_INTERFACE_LIBRARIES", &ArgumentGroup)
+  : cmCommand()
+  , ArgumentGroup()
+  , Targets(&Helper, "TARGETS")
+  , Append(&Helper, "APPEND", &ArgumentGroup)
+  , ExportSetName(&Helper, "EXPORT", &ArgumentGroup)
+  , Namespace(&Helper, "NAMESPACE", &ArgumentGroup)
+  , Filename(&Helper, "FILE", &ArgumentGroup)
+  , ExportOld(&Helper, "EXPORT_LINK_INTERFACE_LIBRARIES", &ArgumentGroup)
 {
   this->ExportSet = 0;
 }
 
-
 // cmExportCommand
-bool cmExportCommand
-::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
+bool cmExportCommand::InitialPass(std::vector<std::string> const& args,
+                                  cmExecutionStatus&)
 {
-  if(args.size() < 2 )
-    {
+  if (args.size() < 2) {
     this->SetError("called with too few arguments");
     return false;
-    }
+  }
 
-  if(args[0] == "PACKAGE")
-    {
+  if (args[0] == "PACKAGE") {
     return this->HandlePackage(args);
-    }
-  else if (args[0] == "EXPORT")
-    {
+  } else if (args[0] == "EXPORT") {
     this->ExportSetName.Follows(0);
     this->ArgumentGroup.Follows(&this->ExportSetName);
-    }
-  else
-    {
+  } else {
     this->Targets.Follows(0);
     this->ArgumentGroup.Follows(&this->Targets);
-    }
+  }
 
   std::vector<std::string> unknownArgs;
   this->Helper.Parse(&args, &unknownArgs);
 
-  if (!unknownArgs.empty())
-    {
+  if (!unknownArgs.empty()) {
     this->SetError("Unknown arguments.");
     return false;
-    }
+  }
 
   std::string fname;
-  if(!this->Filename.WasFound())
-    {
-    if (args[0] != "EXPORT")
-      {
+  if (!this->Filename.WasFound()) {
+    if (args[0] != "EXPORT") {
       this->SetError("FILE <filename> option missing.");
       return false;
-      }
-    fname = this->ExportSetName.GetString() + ".cmake";
     }
-  else
-    {
+    fname = this->ExportSetName.GetString() + ".cmake";
+  } else {
     // Make sure the file has a .cmake extension.
-    if(cmSystemTools::GetFilenameLastExtension(this->Filename.GetCString())
-      != ".cmake")
-      {
+    if (cmSystemTools::GetFilenameLastExtension(this->Filename.GetCString()) !=
+        ".cmake") {
       std::ostringstream e;
       e << "FILE option given filename \"" << this->Filename.GetString()
         << "\" which does not have an extension of \".cmake\".\n";
       this->SetError(e.str());
       return false;
-      }
-    fname = this->Filename.GetString();
     }
+    fname = this->Filename.GetString();
+  }
 
   // Get the file to write.
-  if(cmSystemTools::FileIsFullPath(fname.c_str()))
-    {
-    if(!this->Makefile->CanIWriteThisFile(fname.c_str()))
-      {
+  if (cmSystemTools::FileIsFullPath(fname.c_str())) {
+    if (!this->Makefile->CanIWriteThisFile(fname.c_str())) {
       std::ostringstream e;
       e << "FILE option given filename \"" << fname
         << "\" which is in the source tree.\n";
       this->SetError(e.str());
       return false;
-      }
     }
-  else
-    {
+  } else {
     // Interpret relative paths with respect to the current build dir.
     std::string dir = this->Makefile->GetCurrentBinaryDirectory();
     fname = dir + "/" + fname;
-    }
+  }
 
   std::vector<std::string> targets;
 
-  cmGlobalGenerator *gg = this->Makefile->GetGlobalGenerator();
+  cmGlobalGenerator* gg = this->Makefile->GetGlobalGenerator();
 
-  if(args[0] == "EXPORT")
-    {
-    if (this->Append.IsEnabled())
-      {
+  if (args[0] == "EXPORT") {
+    if (this->Append.IsEnabled()) {
       std::ostringstream e;
       e << "EXPORT signature does not recognise the APPEND option.";
       this->SetError(e.str());
       return false;
-      }
+    }
 
-    if (this->ExportOld.IsEnabled())
-      {
+    if (this->ExportOld.IsEnabled()) {
       std::ostringstream e;
       e << "EXPORT signature does not recognise the "
-        "EXPORT_LINK_INTERFACE_LIBRARIES option.";
+           "EXPORT_LINK_INTERFACE_LIBRARIES option.";
       this->SetError(e.str());
       return false;
-      }
+    }
 
-    cmExportSetMap &setMap = gg->GetExportSets();
+    cmExportSetMap& setMap = gg->GetExportSets();
     std::string setName = this->ExportSetName.GetString();
-    if (setMap.find(setName) == setMap.end())
-      {
+    if (setMap.find(setName) == setMap.end()) {
       std::ostringstream e;
       e << "Export set \"" << setName << "\" not found.";
       this->SetError(e.str());
       return false;
-      }
-    this->ExportSet = setMap[setName];
     }
-  else if (this->Targets.WasFound())
-    {
-    for(std::vector<std::string>::const_iterator
-        currentTarget = this->Targets.GetVector().begin();
-        currentTarget != this->Targets.GetVector().end();
-        ++currentTarget)
-      {
-      if (this->Makefile->IsAlias(*currentTarget))
-        {
+    this->ExportSet = setMap[setName];
+  } else if (this->Targets.WasFound()) {
+    for (std::vector<std::string>::const_iterator currentTarget =
+           this->Targets.GetVector().begin();
+         currentTarget != this->Targets.GetVector().end(); ++currentTarget) {
+      if (this->Makefile->IsAlias(*currentTarget)) {
         std::ostringstream e;
         e << "given ALIAS target \"" << *currentTarget
           << "\" which may not be exported.";
         this->SetError(e.str());
         return false;
-        }
+      }
 
-      if(cmTarget* target = gg->FindTarget(*currentTarget))
-        {
-        if(target->GetType() == cmState::OBJECT_LIBRARY)
-          {
+      if (cmTarget* target = gg->FindTarget(*currentTarget)) {
+        if (target->GetType() == cmState::OBJECT_LIBRARY) {
           std::ostringstream e;
           e << "given OBJECT library \"" << *currentTarget
             << "\" which may not be exported.";
           this->SetError(e.str());
           return false;
-          }
-        if (target->GetType() == cmState::UTILITY)
-          {
-          this->SetError("given custom target \"" + *currentTarget
-                         + "\" which may not be exported.");
+        }
+        if (target->GetType() == cmState::UTILITY) {
+          this->SetError("given custom target \"" + *currentTarget +
+                         "\" which may not be exported.");
           return false;
-          }
         }
-      else
-        {
+      } else {
         std::ostringstream e;
         e << "given target \"" << *currentTarget
           << "\" which is not built by this project.";
         this->SetError(e.str());
         return false;
-        }
-      targets.push_back(*currentTarget);
       }
-    if (this->Append.IsEnabled())
-      {
-      if (cmExportBuildFileGenerator *ebfg = gg->GetExportedTargetsFile(fname))
-        {
+      targets.push_back(*currentTarget);
+    }
+    if (this->Append.IsEnabled()) {
+      if (cmExportBuildFileGenerator* ebfg =
+            gg->GetExportedTargetsFile(fname)) {
         ebfg->AppendTargets(targets);
         return true;
-        }
       }
     }
-  else
-    {
+  } else {
     this->SetError("EXPORT or TARGETS specifier missing.");
     return false;
-    }
+  }
 
   // Setup export file generation.
-  cmExportBuildFileGenerator *ebfg = new cmExportBuildFileGenerator;
+  cmExportBuildFileGenerator* ebfg = new cmExportBuildFileGenerator;
   ebfg->SetExportFile(fname.c_str());
   ebfg->SetNamespace(this->Namespace.GetCString());
   ebfg->SetAppendMode(this->Append.IsEnabled());
-  if (this->ExportSet)
-    {
+  if (this->ExportSet) {
     ebfg->SetExportSet(this->ExportSet);
-    }
-  else
-    {
+  } else {
     ebfg->SetTargets(targets);
-    }
+  }
   this->Makefile->AddExportBuildFileGenerator(ebfg);
   ebfg->SetExportOld(this->ExportOld.IsEnabled());
 
   // Compute the set of configurations exported.
   std::vector<std::string> configurationTypes;
   this->Makefile->GetConfigurations(configurationTypes);
-  if(configurationTypes.empty())
-    {
+  if (configurationTypes.empty()) {
     configurationTypes.push_back("");
-    }
-  for(std::vector<std::string>::const_iterator
-        ci = configurationTypes.begin();
-      ci != configurationTypes.end(); ++ci)
-    {
+  }
+  for (std::vector<std::string>::const_iterator ci =
+         configurationTypes.begin();
+       ci != configurationTypes.end(); ++ci) {
     ebfg->AddConfiguration(*ci);
-    }
-  if (this->ExportSet)
-    {
+  }
+  if (this->ExportSet) {
     gg->AddBuildExportExportSet(ebfg);
-    }
-  else
-    {
+  } else {
     gg->AddBuildExportSet(ebfg);
-    }
+  }
 
   return true;
 }
@@ -253,48 +211,45 @@ bool cmExportCommand
 bool cmExportCommand::HandlePackage(std::vector<std::string> const& args)
 {
   // Parse PACKAGE mode arguments.
-  enum Doing { DoingNone, DoingPackage };
+  enum Doing
+  {
+    DoingNone,
+    DoingPackage
+  };
   Doing doing = DoingPackage;
   std::string package;
-  for(unsigned int i=1; i < args.size(); ++i)
-    {
-    if(doing == DoingPackage)
-      {
+  for (unsigned int i = 1; i < args.size(); ++i) {
+    if (doing == DoingPackage) {
       package = args[i];
       doing = DoingNone;
-      }
-    else
-      {
+    } else {
       std::ostringstream e;
       e << "PACKAGE given unknown argument: " << args[i];
       this->SetError(e.str());
       return false;
-      }
     }
+  }
 
   // Verify the package name.
-  if(package.empty())
-    {
+  if (package.empty()) {
     this->SetError("PACKAGE must be given a package name.");
     return false;
-    }
+  }
   const char* packageExpr = "^[A-Za-z0-9_.-]+$";
   cmsys::RegularExpression packageRegex(packageExpr);
-  if(!packageRegex.find(package.c_str()))
-    {
+  if (!packageRegex.find(package.c_str())) {
     std::ostringstream e;
     e << "PACKAGE given invalid package name \"" << package << "\".  "
       << "Package names must match \"" << packageExpr << "\".";
     this->SetError(e.str());
     return false;
-    }
+  }
 
   // If the CMAKE_EXPORT_NO_PACKAGE_REGISTRY variable is set the command
   // export(PACKAGE) does nothing.
-  if(this->Makefile->IsOn("CMAKE_EXPORT_NO_PACKAGE_REGISTRY"))
-    {
+  if (this->Makefile->IsOn("CMAKE_EXPORT_NO_PACKAGE_REGISTRY")) {
     return true;
-    }
+  }
 
   // We store the current build directory in the registry as a value
   // named by a hash of its own content.  This is deterministic and is
@@ -311,24 +266,21 @@ bool cmExportCommand::HandlePackage(std::vector<std::string> const& args)
 }
 
 #if defined(_WIN32) && !defined(__CYGWIN__)
-# include <windows.h>
-# undef GetCurrentDirectory
+#include <windows.h>
+#undef GetCurrentDirectory
 void cmExportCommand::ReportRegistryError(std::string const& msg,
-                                          std::string const& key,
-                                          long err)
+                                          std::string const& key, long err)
 {
   std::ostringstream e;
   e << msg << "\n"
     << "  HKEY_CURRENT_USER\\" << key << "\n";
   wchar_t winmsg[1024];
-  if(FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM |
-                   FORMAT_MESSAGE_IGNORE_INSERTS, 0, err,
-                   MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
-                   winmsg, 1024, 0) > 0)
-    {
+  if (FormatMessageW(
+        FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, err,
+        MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), winmsg, 1024, 0) > 0) {
     e << "Windows reported:\n"
       << "  " << cmsys::Encoding::ToNarrow(winmsg);
-    }
+  }
   this->Makefile->IssueMessage(cmake::WARNING, e.str());
 }
 
@@ -339,29 +291,26 @@ void cmExportCommand::StorePackageRegistryWin(std::string const& package,
   std::string key = "Software\\Kitware\\CMake\\Packages\\";
   key += package;
   HKEY hKey;
-  LONG err = RegCreateKeyExW(HKEY_CURRENT_USER,
-                            cmsys::Encoding::ToWide(key).c_str(),
-                            0, 0, REG_OPTION_NON_VOLATILE,
-                            KEY_SET_VALUE, 0, &hKey, 0);
-  if(err != ERROR_SUCCESS)
-    {
-    this->ReportRegistryError(
-      "Cannot create/open registry key", key, err);
+  LONG err =
+    RegCreateKeyExW(HKEY_CURRENT_USER, cmsys::Encoding::ToWide(key).c_str(), 0,
+                    0, REG_OPTION_NON_VOLATILE, KEY_SET_VALUE, 0, &hKey, 0);
+  if (err != ERROR_SUCCESS) {
+    this->ReportRegistryError("Cannot create/open registry key", key, err);
     return;
-    }
+  }
 
   std::wstring wcontent = cmsys::Encoding::ToWide(content);
-  err = RegSetValueExW(hKey, cmsys::Encoding::ToWide(hash).c_str(),
-                       0, REG_SZ, (BYTE const*)wcontent.c_str(),
-                       static_cast<DWORD>(wcontent.size()+1)*sizeof(wchar_t));
+  err =
+    RegSetValueExW(hKey, cmsys::Encoding::ToWide(hash).c_str(), 0, REG_SZ,
+                   (BYTE const*)wcontent.c_str(),
+                   static_cast<DWORD>(wcontent.size() + 1) * sizeof(wchar_t));
   RegCloseKey(hKey);
-  if(err != ERROR_SUCCESS)
-    {
+  if (err != ERROR_SUCCESS) {
     std::ostringstream msg;
     msg << "Cannot set registry value \"" << hash << "\" under key";
     this->ReportRegistryError(msg.str(), key, err);
     return;
-    }
+  }
 }
 #else
 void cmExportCommand::StorePackageRegistryDir(std::string const& package,
@@ -371,19 +320,17 @@ void cmExportCommand::StorePackageRegistryDir(std::string const& package,
 #if defined(__HAIKU__)
   char dir[B_PATH_NAME_LENGTH];
   if (find_directory(B_USER_SETTINGS_DIRECTORY, -1, false, dir, sizeof(dir)) !=
-      B_OK)
-    {
+      B_OK) {
     return;
-    }
+  }
   std::string fname = dir;
   fname += "/cmake/packages/";
   fname += package;
 #else
   const char* home = cmSystemTools::GetEnv("HOME");
-  if(!home)
-    {
+  if (!home) {
     return;
-    }
+  }
   std::string fname = home;
   cmSystemTools::ConvertToUnixSlashes(fname);
   fname += "/.cmake/packages/";
@@ -392,15 +339,11 @@ void cmExportCommand::StorePackageRegistryDir(std::string const& package,
   cmSystemTools::MakeDirectory(fname.c_str());
   fname += "/";
   fname += hash;
-  if(!cmSystemTools::FileExists(fname.c_str()))
-    {
+  if (!cmSystemTools::FileExists(fname.c_str())) {
     cmGeneratedFileStream entry(fname.c_str(), true);
-    if(entry)
-      {
+    if (entry) {
       entry << content << "\n";
-      }
-    else
-      {
+    } else {
       std::ostringstream e;
       /* clang-format off */
       e << "Cannot create package registry file:\n"
@@ -408,7 +351,7 @@ void cmExportCommand::StorePackageRegistryDir(std::string const& package,
         << cmSystemTools::GetLastSystemError() << "\n";
       /* clang-format on */
       this->Makefile->IssueMessage(cmake::WARNING, e.str());
-      }
     }
+  }
 }
 #endif