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, 23 insertions, 40 deletions

diff --git a/Source/cmSourceGroupCommand.cxx b/Source/cmSourceGroupCommand.cxx
index fadb17299e..252819c8f6 100644
--- a/Source/cmSourceGroupCommand.cxx
+++ b/Source/cmSourceGroupCommand.cxx
@@ -12,91 +12,74 @@
 #include "cmSourceGroupCommand.h"
 
 // cmSourceGroupCommand
-bool cmSourceGroupCommand
-::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
+bool cmSourceGroupCommand::InitialPass(std::vector<std::string> const& args,
+                                       cmExecutionStatus&)
 {
-  if(args.size() < 1)
-    {
+  if (args.size() < 1) {
     this->SetError("called with incorrect number of arguments");
     return false;
-    }
+  }
 
   std::string delimiter = "\\";
-  if(this->Makefile->GetDefinition("SOURCE_GROUP_DELIMITER"))
-    {
+  if (this->Makefile->GetDefinition("SOURCE_GROUP_DELIMITER")) {
     delimiter = this->Makefile->GetDefinition("SOURCE_GROUP_DELIMITER");
-    }
+  }
 
   std::vector<std::string> folders =
     cmSystemTools::tokenize(args[0], delimiter);
 
   cmSourceGroup* sg = 0;
   sg = this->Makefile->GetSourceGroup(folders);
-  if(!sg)
-    {
+  if (!sg) {
     this->Makefile->AddSourceGroup(folders);
     sg = this->Makefile->GetSourceGroup(folders);
-    }
+  }
 
-  if(!sg)
-    {
+  if (!sg) {
     this->SetError("Could not create or find source group");
     return false;
-    }
+  }
   // If only two arguments are given, the pre-1.8 version of the
   // command is being invoked.
-  if(args.size() == 2  && args[1] != "FILES")
-    {
+  if (args.size() == 2 && args[1] != "FILES") {
     sg->SetGroupRegex(args[1].c_str());
     return true;
-    }
+  }
 
   // Process arguments.
   bool doingFiles = false;
-  for(unsigned int i=1; i < args.size(); ++i)
-    {
-    if(args[i] == "REGULAR_EXPRESSION")
-      {
+  for (unsigned int i = 1; i < args.size(); ++i) {
+    if (args[i] == "REGULAR_EXPRESSION") {
       // Next argument must specify the regex.
-      if(i+1 < args.size())
-        {
+      if (i + 1 < args.size()) {
         ++i;
         sg->SetGroupRegex(args[i].c_str());
-        }
-      else
-        {
+      } else {
         this->SetError("REGULAR_EXPRESSION argument given without a regex.");
         return false;
-        }
-      doingFiles = false;
       }
-    else if(args[i] == "FILES")
-      {
+      doingFiles = false;
+    } else if (args[i] == "FILES") {
       // Next arguments will specify files.
       doingFiles = true;
-      }
-    else if(doingFiles)
-      {
+    } else if (doingFiles) {
       // Convert name to full path and add to the group's list.
       std::string src = args[i];
-      if(!cmSystemTools::FileIsFullPath(src.c_str()))
-        {
+      if (!cmSystemTools::FileIsFullPath(src.c_str())) {
         src = this->Makefile->GetCurrentSourceDirectory();
         src += "/";
         src += args[i];
-        }
+      }
       src = cmSystemTools::CollapseFullPath(src.c_str());
       sg->AddGroupFile(src);
-      }
-    else
-      {
+    } else {
       std::ostringstream err;
       err << "Unknown argument \"" << args[i] << "\".  "
           << "Perhaps the FILES keyword is missing.\n";
       this->SetError(err.str());
       return false;
-      }
     }
+  }
 
   return true;
 }