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, 98 insertions, 162 deletions

diff --git a/Source/cmFindCommon.cxx b/Source/cmFindCommon.cxx
index 2758c18..638c1d1 100644
--- a/Source/cmFindCommon.cxx
+++ b/Source/cmFindCommon.cxx
@@ -16,11 +16,11 @@
 
 cmFindCommon::PathGroup cmFindCommon::PathGroup::All("ALL");
 cmFindCommon::PathLabel cmFindCommon::PathLabel::CMake("CMAKE");
-cmFindCommon::PathLabel
-  cmFindCommon::PathLabel::CMakeEnvironment("CMAKE_ENVIRONMENT");
+cmFindCommon::PathLabel cmFindCommon::PathLabel::CMakeEnvironment(
+  "CMAKE_ENVIRONMENT");
 cmFindCommon::PathLabel cmFindCommon::PathLabel::Hints("HINTS");
-cmFindCommon::PathLabel
-  cmFindCommon::PathLabel::SystemEnvironment("SYSTM_ENVIRONMENT");
+cmFindCommon::PathLabel cmFindCommon::PathLabel::SystemEnvironment(
+  "SYSTM_ENVIRONMENT");
 cmFindCommon::PathLabel cmFindCommon::PathLabel::CMakeSystem("CMAKE_SYSTEM");
 cmFindCommon::PathLabel cmFindCommon::PathLabel::Guess("GUESS");
 
@@ -33,8 +33,8 @@ cmFindCommon::cmFindCommon()
   this->NoSystemEnvironmentPath = false;
   this->NoCMakeSystemPath = false;
 
-  // OS X Bundle and Framework search policy.  The default is to
-  // search frameworks first on apple.
+// OS X Bundle and Framework search policy.  The default is to
+// search frameworks first on apple.
 #if defined(__APPLE__)
   this->SearchFrameworkFirst = true;
   this->SearchAppBundleFirst = true;
@@ -73,18 +73,18 @@ void cmFindCommon::InitializeSearchPathGroups()
   this->PathGroupOrder.push_back(PathGroup::All);
 
   // Create the idividual labeld search paths
-  this->LabeledPaths.insert(std::make_pair(PathLabel::CMake,
-    cmSearchPath(this)));
-  this->LabeledPaths.insert(std::make_pair(PathLabel::CMakeEnvironment,
-    cmSearchPath(this)));
-  this->LabeledPaths.insert(std::make_pair(PathLabel::Hints,
-    cmSearchPath(this)));
-  this->LabeledPaths.insert(std::make_pair(PathLabel::SystemEnvironment,
-    cmSearchPath(this)));
-  this->LabeledPaths.insert(std::make_pair(PathLabel::CMakeSystem,
-    cmSearchPath(this)));
-  this->LabeledPaths.insert(std::make_pair(PathLabel::Guess,
-    cmSearchPath(this)));
+  this->LabeledPaths.insert(
+    std::make_pair(PathLabel::CMake, cmSearchPath(this)));
+  this->LabeledPaths.insert(
+    std::make_pair(PathLabel::CMakeEnvironment, cmSearchPath(this)));
+  this->LabeledPaths.insert(
+    std::make_pair(PathLabel::Hints, cmSearchPath(this)));
+  this->LabeledPaths.insert(
+    std::make_pair(PathLabel::SystemEnvironment, cmSearchPath(this)));
+  this->LabeledPaths.insert(
+    std::make_pair(PathLabel::CMakeSystem, cmSearchPath(this)));
+  this->LabeledPaths.insert(
+    std::make_pair(PathLabel::Guess, cmSearchPath(this)));
 }
 
 void cmFindCommon::SelectDefaultRootPathMode()
@@ -94,73 +94,54 @@ void cmFindCommon::SelectDefaultRootPathMode()
   findRootPathVar += this->CMakePathName;
   std::string rootPathMode =
     this->Makefile->GetSafeDefinition(findRootPathVar);
-  if (rootPathMode=="NEVER")
-    {
+  if (rootPathMode == "NEVER") {
     this->FindRootPathMode = RootPathModeNever;
-    }
-  else if (rootPathMode=="ONLY")
-    {
+  } else if (rootPathMode == "ONLY") {
     this->FindRootPathMode = RootPathModeOnly;
-    }
-  else if (rootPathMode=="BOTH")
-    {
+  } else if (rootPathMode == "BOTH") {
     this->FindRootPathMode = RootPathModeBoth;
-    }
+  }
 }
 
 void cmFindCommon::SelectDefaultMacMode()
 {
   std::string ff = this->Makefile->GetSafeDefinition("CMAKE_FIND_FRAMEWORK");
-  if(ff == "NEVER")
-    {
+  if (ff == "NEVER") {
     this->SearchFrameworkLast = false;
     this->SearchFrameworkFirst = false;
     this->SearchFrameworkOnly = false;
-    }
-  else if(ff == "ONLY")
-    {
+  } else if (ff == "ONLY") {
     this->SearchFrameworkLast = false;
     this->SearchFrameworkFirst = false;
     this->SearchFrameworkOnly = true;
-    }
-  else if(ff == "FIRST")
-    {
+  } else if (ff == "FIRST") {
     this->SearchFrameworkLast = false;
     this->SearchFrameworkFirst = true;
     this->SearchFrameworkOnly = false;
-    }
-  else if(ff == "LAST")
-    {
+  } else if (ff == "LAST") {
     this->SearchFrameworkLast = true;
     this->SearchFrameworkFirst = false;
     this->SearchFrameworkOnly = false;
-    }
+  }
 
   std::string fab = this->Makefile->GetSafeDefinition("CMAKE_FIND_APPBUNDLE");
-  if(fab == "NEVER")
-    {
+  if (fab == "NEVER") {
     this->SearchAppBundleLast = false;
     this->SearchAppBundleFirst = false;
     this->SearchAppBundleOnly = false;
-    }
-  else if(fab == "ONLY")
-    {
+  } else if (fab == "ONLY") {
     this->SearchAppBundleLast = false;
     this->SearchAppBundleFirst = false;
     this->SearchAppBundleOnly = true;
-    }
-  else if(fab == "FIRST")
-    {
+  } else if (fab == "FIRST") {
     this->SearchAppBundleLast = false;
     this->SearchAppBundleFirst = true;
     this->SearchAppBundleOnly = false;
-    }
-  else if(fab == "LAST")
-    {
+  } else if (fab == "LAST") {
     this->SearchAppBundleLast = true;
     this->SearchAppBundleFirst = false;
     this->SearchAppBundleOnly = false;
-    }
+  }
 }
 
 void cmFindCommon::RerootPaths(std::vector<std::string>& paths)
@@ -173,125 +154,105 @@ void cmFindCommon::RerootPaths(std::vector<std::string>& paths)
     }
 #endif
   // Short-circuit if there is nothing to do.
-  if(this->FindRootPathMode == RootPathModeNever)
-    {
+  if (this->FindRootPathMode == RootPathModeNever) {
     return;
-    }
+  }
 
-  const char* sysroot =
-    this->Makefile->GetDefinition("CMAKE_SYSROOT");
-  const char* rootPath =
-    this->Makefile->GetDefinition("CMAKE_FIND_ROOT_PATH");
+  const char* sysroot = this->Makefile->GetDefinition("CMAKE_SYSROOT");
+  const char* rootPath = this->Makefile->GetDefinition("CMAKE_FIND_ROOT_PATH");
   const bool noSysroot = !sysroot || !*sysroot;
   const bool noRootPath = !rootPath || !*rootPath;
-  if(noSysroot && noRootPath)
-    {
+  if (noSysroot && noRootPath) {
     return;
-    }
+  }
 
   // Construct the list of path roots with no trailing slashes.
   std::vector<std::string> roots;
-  if (rootPath)
-    {
+  if (rootPath) {
     cmSystemTools::ExpandListArgument(rootPath, roots);
-    }
-  if (sysroot)
-    {
+  }
+  if (sysroot) {
     roots.push_back(sysroot);
-    }
-  for(std::vector<std::string>::iterator ri = roots.begin();
-      ri != roots.end(); ++ri)
-    {
+  }
+  for (std::vector<std::string>::iterator ri = roots.begin();
+       ri != roots.end(); ++ri) {
     cmSystemTools::ConvertToUnixSlashes(*ri);
-    }
+  }
 
   const char* stagePrefix =
-      this->Makefile->GetDefinition("CMAKE_STAGING_PREFIX");
+    this->Makefile->GetDefinition("CMAKE_STAGING_PREFIX");
 
   // Copy the original set of unrooted paths.
   std::vector<std::string> unrootedPaths = paths;
   paths.clear();
 
-  for(std::vector<std::string>::const_iterator ri = roots.begin();
-      ri != roots.end(); ++ri)
-    {
-    for(std::vector<std::string>::const_iterator ui = unrootedPaths.begin();
-        ui != unrootedPaths.end(); ++ui)
-      {
+  for (std::vector<std::string>::const_iterator ri = roots.begin();
+       ri != roots.end(); ++ri) {
+    for (std::vector<std::string>::const_iterator ui = unrootedPaths.begin();
+         ui != unrootedPaths.end(); ++ui) {
       // Place the unrooted path under the current root if it is not
       // already inside.  Skip the unrooted path if it is relative to
       // a user home directory or is empty.
       std::string rootedDir;
-      if(cmSystemTools::IsSubDirectory(*ui, *ri)
-          || (stagePrefix
-            && cmSystemTools::IsSubDirectory(*ui, stagePrefix)))
-        {
+      if (cmSystemTools::IsSubDirectory(*ui, *ri) ||
+          (stagePrefix && cmSystemTools::IsSubDirectory(*ui, stagePrefix))) {
         rootedDir = *ui;
-        }
-      else if(!ui->empty() && (*ui)[0] != '~')
-        {
+      } else if (!ui->empty() && (*ui)[0] != '~') {
         // Start with the new root.
         rootedDir = *ri;
         rootedDir += "/";
 
         // Append the original path with its old root removed.
         rootedDir += cmSystemTools::SplitPathRootComponent(*ui);
-        }
+      }
 
       // Store the new path.
       paths.push_back(rootedDir);
-      }
     }
+  }
 
   // If searching both rooted and unrooted paths add the original
   // paths again.
-  if(this->FindRootPathMode == RootPathModeBoth)
-    {
+  if (this->FindRootPathMode == RootPathModeBoth) {
     paths.insert(paths.end(), unrootedPaths.begin(), unrootedPaths.end());
-    }
+  }
 }
 
 void cmFindCommon::FilterPaths(const std::vector<std::string>& inPaths,
                                const std::set<std::string>& ignore,
                                std::vector<std::string>& outPaths)
 {
-  for(std::vector<std::string>::const_iterator i = inPaths.begin();
-      i != inPaths.end(); ++i)
-    {
-    if(ignore.count(*i) == 0)
-      {
+  for (std::vector<std::string>::const_iterator i = inPaths.begin();
+       i != inPaths.end(); ++i) {
+    if (ignore.count(*i) == 0) {
       outPaths.push_back(*i);
-      }
     }
+  }
 }
 
 void cmFindCommon::GetIgnoredPaths(std::vector<std::string>& ignore)
 {
   // null-terminated list of paths.
-  static const char *paths[] =
-    { "CMAKE_SYSTEM_IGNORE_PATH", "CMAKE_IGNORE_PATH", 0 };
+  static const char* paths[] = { "CMAKE_SYSTEM_IGNORE_PATH",
+                                 "CMAKE_IGNORE_PATH", 0 };
 
   // Construct the list of path roots with no trailing slashes.
-  for(const char **pathName = paths; *pathName; ++pathName)
-    {
+  for (const char** pathName = paths; *pathName; ++pathName) {
     // Get the list of paths to ignore from the variable.
     const char* ignorePath = this->Makefile->GetDefinition(*pathName);
-    if((ignorePath == 0) || (strlen(ignorePath) == 0))
-      {
+    if ((ignorePath == 0) || (strlen(ignorePath) == 0)) {
       continue;
-      }
+    }
 
     cmSystemTools::ExpandListArgument(ignorePath, ignore);
-    }
+  }
 
-  for(std::vector<std::string>::iterator i = ignore.begin();
-      i != ignore.end(); ++i)
-    {
+  for (std::vector<std::string>::iterator i = ignore.begin();
+       i != ignore.end(); ++i) {
     cmSystemTools::ConvertToUnixSlashes(*i);
-    }
+  }
 }
 
-
 void cmFindCommon::GetIgnoredPaths(std::set<std::string>& ignore)
 {
   std::vector<std::string> ignoreVec;
@@ -301,43 +262,26 @@ void cmFindCommon::GetIgnoredPaths(std::set<std::string>& ignore)
 
 bool cmFindCommon::CheckCommonArgument(std::string const& arg)
 {
-  if(arg == "NO_DEFAULT_PATH")
-    {
+  if (arg == "NO_DEFAULT_PATH") {
     this->NoDefaultPath = true;
-    }
-  else if(arg == "NO_CMAKE_ENVIRONMENT_PATH")
-    {
+  } else if (arg == "NO_CMAKE_ENVIRONMENT_PATH") {
     this->NoCMakeEnvironmentPath = true;
-    }
-  else if(arg == "NO_CMAKE_PATH")
-    {
+  } else if (arg == "NO_CMAKE_PATH") {
     this->NoCMakePath = true;
-    }
-  else if(arg == "NO_SYSTEM_ENVIRONMENT_PATH")
-    {
+  } else if (arg == "NO_SYSTEM_ENVIRONMENT_PATH") {
     this->NoSystemEnvironmentPath = true;
-    }
-  else if(arg == "NO_CMAKE_SYSTEM_PATH")
-    {
+  } else if (arg == "NO_CMAKE_SYSTEM_PATH") {
     this->NoCMakeSystemPath = true;
-    }
-    else if(arg == "NO_CMAKE_FIND_ROOT_PATH")
-    {
+  } else if (arg == "NO_CMAKE_FIND_ROOT_PATH") {
     this->FindRootPathMode = RootPathModeNever;
-    }
-  else if(arg == "ONLY_CMAKE_FIND_ROOT_PATH")
-    {
+  } else if (arg == "ONLY_CMAKE_FIND_ROOT_PATH") {
     this->FindRootPathMode = RootPathModeOnly;
-    }
-  else if(arg == "CMAKE_FIND_ROOT_PATH_BOTH")
-    {
+  } else if (arg == "CMAKE_FIND_ROOT_PATH_BOTH") {
     this->FindRootPathMode = RootPathModeBoth;
-    }
-  else
-    {
+  } else {
     // The argument is not one of the above.
     return false;
-    }
+  }
 
   // The argument is one of the above.
   return true;
@@ -348,26 +292,21 @@ void cmFindCommon::AddPathSuffix(std::string const& arg)
   std::string suffix = arg;
 
   // Strip leading and trailing slashes.
-  if(suffix.empty())
-    {
+  if (suffix.empty()) {
     return;
-    }
-  if(suffix[0] == '/')
-    {
+  }
+  if (suffix[0] == '/') {
     suffix = suffix.substr(1, suffix.npos);
-    }
-  if(suffix.empty())
-    {
+  }
+  if (suffix.empty()) {
     return;
-    }
-  if(suffix[suffix.size()-1] == '/')
-    {
-    suffix = suffix.substr(0, suffix.size()-1);
-    }
-  if(suffix.empty())
-    {
+  }
+  if (suffix[suffix.size() - 1] == '/') {
+    suffix = suffix.substr(0, suffix.size() - 1);
+  }
+  if (suffix.empty()) {
     return;
-    }
+  }
 
   // Store the suffix.
   this->SearchPathSuffixes.push_back(suffix);
@@ -375,10 +314,9 @@ void cmFindCommon::AddPathSuffix(std::string const& arg)
 
 void AddTrailingSlash(std::string& s)
 {
-  if(!s.empty() && *s.rbegin() != '/')
-    {
+  if (!s.empty() && *s.rbegin() != '/') {
     s += '/';
-    }
+  }
 }
 void cmFindCommon::ComputeFinalPaths()
 {
@@ -389,11 +327,10 @@ void cmFindCommon::ComputeFinalPaths()
   // Combine the seperate path types, filtering out ignores
   this->SearchPaths.clear();
   std::vector<PathLabel>& allLabels = this->PathGroupLabelMap[PathGroup::All];
-  for(std::vector<PathLabel>::const_iterator l = allLabels.begin();
-      l != allLabels.end(); ++l)
-    {
+  for (std::vector<PathLabel>::const_iterator l = allLabels.begin();
+       l != allLabels.end(); ++l) {
     this->LabeledPaths[*l].ExtractWithout(ignored, this->SearchPaths);
-    }
+  }
 
   // Expand list of paths inside all search roots.
   this->RerootPaths(this->SearchPaths);
@@ -409,9 +346,8 @@ void cmFindCommon::SetMakefile(cmMakefile* makefile)
 
   // If we are building for Apple (OSX or also iphone), make sure
   // that frameworks and bundles are searched first.
-  if(this->Makefile->IsOn("APPLE"))
-    {
+  if (this->Makefile->IsOn("APPLE")) {
     this->SearchFrameworkFirst = true;
     this->SearchAppBundleFirst = true;
-    }
+  }
 }