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, 64 insertions, 115 deletions

diff --git a/Source/cmFileTimeComparison.cxx b/Source/cmFileTimeComparison.cxx
index 88b5d99..7efe194 100644
--- a/Source/cmFileTimeComparison.cxx
+++ b/Source/cmFileTimeComparison.cxx
@@ -16,7 +16,7 @@
 #ifdef CMake_HAVE_CXX11_UNORDERED_MAP
 #include <unordered_map>
 #else
-# include <cmsys/hash_map.hxx>
+#include <cmsys/hash_map.hxx>
 #endif
 #endif
 
@@ -24,12 +24,12 @@
 
 // Use a platform-specific API to get file times efficiently.
 #if !defined(_WIN32) || defined(__CYGWIN__)
-#  define cmFileTimeComparison_Type struct stat
-#  include <ctype.h>
-#  include <sys/stat.h>
+#define cmFileTimeComparison_Type struct stat
+#include <ctype.h>
+#include <sys/stat.h>
 #else
-#  define cmFileTimeComparison_Type FILETIME
-#  include <windows.h>
+#define cmFileTimeComparison_Type FILETIME
+#include <windows.h>
 #endif
 
 class cmFileTimeComparisonInternal
@@ -44,24 +44,22 @@ private:
 #if defined(CMAKE_BUILD_WITH_CMAKE)
   // Use a hash table to efficiently map from file name to modification time.
   class HashString
-    {
+  {
   public:
-    size_t operator()(const std::string& s) const
-      {
-      return h(s.c_str());
-      }
+    size_t operator()(const std::string& s) const { return h(s.c_str()); }
 #ifdef CMake_HAVE_CXX11_UNORDERED_MAP
     std::hash<const char*> h;
 #else
     cmsys::hash<const char*> h;
 #endif
-    };
+  };
 #ifdef CMake_HAVE_CXX11_UNORDERED_MAP
   typedef std::unordered_map<std::string,
 #else
   typedef cmsys::hash_map<std::string,
 #endif
-                          cmFileTimeComparison_Type, HashString> FileStatsMap;
+                             cmFileTimeComparison_Type, HashString>
+    FileStatsMap;
   FileStatsMap Files;
 #endif
 
@@ -80,29 +78,26 @@ bool cmFileTimeComparisonInternal::Stat(const char* fname,
   // Use the stored time if available.
   cmFileTimeComparisonInternal::FileStatsMap::iterator fit =
     this->Files.find(fname);
-  if ( fit != this->Files.end() )
-    {
+  if (fit != this->Files.end()) {
     *st = fit->second;
     return true;
-    }
+  }
 #endif
 
 #if !defined(_WIN32) || defined(__CYGWIN__)
   // POSIX version.  Use the stat function.
   int res = ::stat(fname, st);
-  if ( res != 0 )
-    {
+  if (res != 0) {
     return false;
-    }
+  }
 #else
   // Windows version.  Get the modification time from extended file
   // attributes.
   WIN32_FILE_ATTRIBUTE_DATA fdata;
-  if(!GetFileAttributesExW(cmsys::Encoding::ToWide(fname).c_str(),
-                           GetFileExInfoStandard, &fdata))
-    {
+  if (!GetFileAttributesExW(cmsys::Encoding::ToWide(fname).c_str(),
+                            GetFileExInfoStandard, &fdata)) {
     return false;
-    }
+  }
 
   // Copy the file time to the output location.
   *st = fdata.ftLastWriteTime;
@@ -126,8 +121,8 @@ cmFileTimeComparison::~cmFileTimeComparison()
   delete this->Internals;
 }
 
-bool cmFileTimeComparison::FileTimeCompare(const char* f1,
-                                           const char* f2, int* result)
+bool cmFileTimeComparison::FileTimeCompare(const char* f1, const char* f2,
+                                           int* result)
 {
   return this->Internals->FileTimeCompare(f1, f2, result);
 }
@@ -141,53 +136,36 @@ int cmFileTimeComparisonInternal::Compare(cmFileTimeComparison_Type* s1,
                                           cmFileTimeComparison_Type* s2)
 {
 #if !defined(_WIN32) || defined(__CYGWIN__)
-# if CMake_STAT_HAS_ST_MTIM
+#if CMake_STAT_HAS_ST_MTIM
   // Compare using nanosecond resolution.
-  if(s1->st_mtim.tv_sec < s2->st_mtim.tv_sec)
-    {
+  if (s1->st_mtim.tv_sec < s2->st_mtim.tv_sec) {
     return -1;
-    }
-  else if(s1->st_mtim.tv_sec > s2->st_mtim.tv_sec)
-    {
+  } else if (s1->st_mtim.tv_sec > s2->st_mtim.tv_sec) {
     return 1;
-    }
-  else if(s1->st_mtim.tv_nsec < s2->st_mtim.tv_nsec)
-    {
+  } else if (s1->st_mtim.tv_nsec < s2->st_mtim.tv_nsec) {
     return -1;
-    }
-  else if(s1->st_mtim.tv_nsec > s2->st_mtim.tv_nsec)
-    {
+  } else if (s1->st_mtim.tv_nsec > s2->st_mtim.tv_nsec) {
     return 1;
-    }
-# elif CMake_STAT_HAS_ST_MTIMESPEC
+  }
+#elif CMake_STAT_HAS_ST_MTIMESPEC
   // Compare using nanosecond resolution.
-  if(s1->st_mtimespec.tv_sec < s2->st_mtimespec.tv_sec)
-    {
+  if (s1->st_mtimespec.tv_sec < s2->st_mtimespec.tv_sec) {
     return -1;
-    }
-  else if(s1->st_mtimespec.tv_sec > s2->st_mtimespec.tv_sec)
-    {
+  } else if (s1->st_mtimespec.tv_sec > s2->st_mtimespec.tv_sec) {
     return 1;
-    }
-  else if(s1->st_mtimespec.tv_nsec < s2->st_mtimespec.tv_nsec)
-    {
+  } else if (s1->st_mtimespec.tv_nsec < s2->st_mtimespec.tv_nsec) {
     return -1;
-    }
-  else if(s1->st_mtimespec.tv_nsec > s2->st_mtimespec.tv_nsec)
-    {
+  } else if (s1->st_mtimespec.tv_nsec > s2->st_mtimespec.tv_nsec) {
     return 1;
-    }
-# else
+  }
+#else
   // Compare using 1 second resolution.
-  if(s1->st_mtime < s2->st_mtime)
-    {
+  if (s1->st_mtime < s2->st_mtime) {
     return -1;
-    }
-  else if(s1->st_mtime > s2->st_mtime)
-    {
+  } else if (s1->st_mtime > s2->st_mtime) {
     return 1;
-    }
-# endif
+  }
+#endif
   // Files have the same time.
   return 0;
 #else
@@ -200,55 +178,40 @@ bool cmFileTimeComparisonInternal::TimesDiffer(cmFileTimeComparison_Type* s1,
                                                cmFileTimeComparison_Type* s2)
 {
 #if !defined(_WIN32) || defined(__CYGWIN__)
-# if CMake_STAT_HAS_ST_MTIM
+#if CMake_STAT_HAS_ST_MTIM
   // Times are integers in units of 1ns.
   long long bil = 1000000000;
   long long t1 = s1->st_mtim.tv_sec * bil + s1->st_mtim.tv_nsec;
   long long t2 = s2->st_mtim.tv_sec * bil + s2->st_mtim.tv_nsec;
-  if(t1 < t2)
-    {
+  if (t1 < t2) {
     return (t2 - t1) >= bil;
-    }
-  else if(t2 < t1)
-    {
+  } else if (t2 < t1) {
     return (t1 - t2) >= bil;
-    }
-  else
-    {
+  } else {
     return false;
-    }
-# elif CMake_STAT_HAS_ST_MTIMESPEC
+  }
+#elif CMake_STAT_HAS_ST_MTIMESPEC
   // Times are integers in units of 1ns.
   long long bil = 1000000000;
   long long t1 = s1->st_mtimespec.tv_sec * bil + s1->st_mtimespec.tv_nsec;
   long long t2 = s2->st_mtimespec.tv_sec * bil + s2->st_mtimespec.tv_nsec;
-  if(t1 < t2)
-    {
+  if (t1 < t2) {
     return (t2 - t1) >= bil;
-    }
-  else if(t2 < t1)
-    {
+  } else if (t2 < t1) {
     return (t1 - t2) >= bil;
-    }
-  else
-    {
+  } else {
     return false;
-    }
-# else
+  }
+#else
   // Times are integers in units of 1s.
-  if(s1->st_mtime < s2->st_mtime)
-    {
+  if (s1->st_mtime < s2->st_mtime) {
     return (s2->st_mtime - s1->st_mtime) >= 1;
-    }
-  else if(s1->st_mtime > s2->st_mtime)
-    {
+  } else if (s1->st_mtime > s2->st_mtime) {
     return (s1->st_mtime - s2->st_mtime) >= 1;
-    }
-  else
-    {
+  } else {
     return false;
-    }
-# endif
+  }
+#endif
 #else
   // Times are integers in units of 100ns.
   LARGE_INTEGER t1;
@@ -257,41 +220,31 @@ bool cmFileTimeComparisonInternal::TimesDiffer(cmFileTimeComparison_Type* s1,
   t1.HighPart = s1->dwHighDateTime;
   t2.LowPart = s2->dwLowDateTime;
   t2.HighPart = s2->dwHighDateTime;
-  if(t1.QuadPart < t2.QuadPart)
-    {
+  if (t1.QuadPart < t2.QuadPart) {
     return (t2.QuadPart - t1.QuadPart) >= static_cast<LONGLONG>(10000000);
-    }
-  else if(t2.QuadPart < t1.QuadPart)
-    {
+  } else if (t2.QuadPart < t1.QuadPart) {
     return (t1.QuadPart - t2.QuadPart) >= static_cast<LONGLONG>(10000000);
-    }
-  else
-    {
+  } else {
     return false;
-    }
+  }
 #endif
 }
 
 bool cmFileTimeComparisonInternal::FileTimeCompare(const char* f1,
-                                                   const char* f2,
-                                                   int* result)
+                                                   const char* f2, int* result)
 {
   // Get the modification time for each file.
   cmFileTimeComparison_Type s1;
   cmFileTimeComparison_Type s2;
-  if(this->Stat(f1, &s1) &&
-     this->Stat(f2, &s2))
-    {
+  if (this->Stat(f1, &s1) && this->Stat(f2, &s2)) {
     // Compare the two modification times.
     *result = this->Compare(&s1, &s2);
     return true;
-    }
-  else
-    {
+  } else {
     // No comparison available.  Default to the same time.
     *result = 0;
     return false;
-    }
+  }
 }
 
 bool cmFileTimeComparisonInternal::FileTimesDiffer(const char* f1,
@@ -300,15 +253,11 @@ bool cmFileTimeComparisonInternal::FileTimesDiffer(const char* f1,
   // Get the modification time for each file.
   cmFileTimeComparison_Type s1;
   cmFileTimeComparison_Type s2;
-  if(this->Stat(f1, &s1) &&
-     this->Stat(f2, &s2))
-    {
+  if (this->Stat(f1, &s1) && this->Stat(f2, &s2)) {
     // Compare the two modification times.
     return this->TimesDiffer(&s1, &s2);
-    }
-  else
-    {
+  } else {
     // No comparison available.  Default to different times.
     return true;
-    }
+  }
 }