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, 16 insertions, 23 deletions

diff --git a/Source/cmOptionCommand.cxx b/Source/cmOptionCommand.cxx
index 92be5f1..f6f0ec3 100644
--- a/Source/cmOptionCommand.cxx
+++ b/Source/cmOptionCommand.cxx
@@ -12,53 +12,46 @@
 #include "cmOptionCommand.h"
 
 // cmOptionCommand
-bool cmOptionCommand
-::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
+bool cmOptionCommand::InitialPass(std::vector<std::string> const& args,
+                                  cmExecutionStatus&)
 {
   bool argError = false;
-  if(args.size() < 2)
-    {
+  if (args.size() < 2) {
     argError = true;
-    }
+  }
   // for VTK 4.0 we have to support the option command with more than 3
   // arguments if CMAKE_MINIMUM_REQUIRED_VERSION is not defined, if
   // CMAKE_MINIMUM_REQUIRED_VERSION is defined, then we can have stricter
   // checking.
-  if(this->Makefile->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION"))
-    {
-    if(args.size() > 3)
-      {
+  if (this->Makefile->GetDefinition("CMAKE_MINIMUM_REQUIRED_VERSION")) {
+    if (args.size() > 3) {
       argError = true;
-      }
     }
-  if(argError)
-    {
+  }
+  if (argError) {
     std::string m = "called with incorrect number of arguments: ";
     m += cmJoin(args, " ");
     this->SetError(m);
     return false;
-    }
+  }
 
   std::string initialValue = "Off";
   // Now check and see if the value has been stored in the cache
   // already, if so use that value and don't look for the program
   cmState* state = this->Makefile->GetState();
   const char* existingValue = state->GetCacheEntryValue(args[0]);
-  if(existingValue)
-    {
-    if (state->GetCacheEntryType(args[0]) != cmState::UNINITIALIZED)
-      {
+  if (existingValue) {
+    if (state->GetCacheEntryType(args[0]) != cmState::UNINITIALIZED) {
       state->SetCacheEntryProperty(args[0], "HELPSTRING", args[1]);
       return true;
-      }
-    initialValue = existingValue;
     }
-  if(args.size() == 3)
-    {
+    initialValue = existingValue;
+  }
+  if (args.size() == 3) {
     initialValue = args[2];
-    }
+  }
   bool init = cmSystemTools::IsOn(initialValue.c_str());
-  this->Makefile->AddCacheDefinition(args[0], init? "ON":"OFF",
+  this->Makefile->AddCacheDefinition(args[0], init ? "ON" : "OFF",
                                      args[1].c_str(), cmState::BOOL);
   return true;
 }