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, 82 insertions, 126 deletions

diff --git a/Source/cmSourceFile.cxx b/Source/cmSourceFile.cxx
index b31bc74..5b0acee 100644
--- a/Source/cmSourceFile.cxx
+++ b/Source/cmSourceFile.cxx
@@ -16,13 +16,13 @@
 #include "cmSystemTools.h"
 #include "cmake.h"
 
-cmSourceFile::cmSourceFile(cmMakefile* mf, const std::string& name):
-  Location(mf, name)
+cmSourceFile::cmSourceFile(cmMakefile* mf, const std::string& name)
+  : Location(mf, name)
 {
   this->CustomCommand = 0;
   this->FindFullPathFailed = false;
-  this->IsUiFile = (".ui" ==
-          cmSystemTools::GetFilenameLastExtension(this->Location.GetName()));
+  this->IsUiFile = (".ui" == cmSystemTools::GetFilenameLastExtension(
+                               this->Location.GetName()));
 }
 
 cmSourceFile::~cmSourceFile()
@@ -50,34 +50,29 @@ std::string cmSourceFile::GetObjectLibrary() const
 std::string cmSourceFile::GetLanguage()
 {
   // If the language was set explicitly by the user then use it.
-  if(const char* lang = this->GetProperty(propLANGUAGE))
-    {
+  if (const char* lang = this->GetProperty(propLANGUAGE)) {
     return lang;
-    }
+  }
 
   // Perform computation needed to get the language if necessary.
-  if(this->FullPath.empty() && this->Language.empty())
-    {
+  if (this->FullPath.empty() && this->Language.empty()) {
     // If a known extension is given or a known full path is given
     // then trust that the current extension is sufficient to
     // determine the language.  This will fail only if the user
     // specifies a full path to the source but leaves off the
     // extension, which is kind of weird.
-    if(this->Location.ExtensionIsAmbiguous() &&
-       this->Location.DirectoryIsAmbiguous())
-      {
+    if (this->Location.ExtensionIsAmbiguous() &&
+        this->Location.DirectoryIsAmbiguous()) {
       // Finalize the file location to get the extension and set the
       // language.
       this->GetFullPath();
-      }
-    else
-      {
+    } else {
       // Use the known extension to get the language if possible.
       std::string ext =
         cmSystemTools::GetFilenameLastExtension(this->Location.GetName());
       this->CheckLanguage(ext);
-      }
     }
+  }
 
   // Now try to determine the language.
   return static_cast<cmSourceFile const*>(this)->GetLanguage();
@@ -86,16 +81,14 @@ std::string cmSourceFile::GetLanguage()
 std::string cmSourceFile::GetLanguage() const
 {
   // If the language was set explicitly by the user then use it.
-  if(const char* lang = this->GetProperty(propLANGUAGE))
-    {
+  if (const char* lang = this->GetProperty(propLANGUAGE)) {
     return lang;
-    }
+  }
 
   // If the language was determined from the source file extension use it.
-  if(!this->Language.empty())
-    {
+  if (!this->Language.empty()) {
     return this->Language;
-    }
+  }
 
   // The language is not known.
   return "";
@@ -103,18 +96,16 @@ std::string cmSourceFile::GetLanguage() const
 
 cmSourceFileLocation const& cmSourceFile::GetLocation() const
 {
-    return this->Location;
+  return this->Location;
 }
 
 std::string const& cmSourceFile::GetFullPath(std::string* error)
 {
-  if(this->FullPath.empty())
-    {
-    if(this->FindFullPath(error))
-      {
+  if (this->FullPath.empty()) {
+    if (this->FindFullPath(error)) {
       this->CheckExtension();
-      }
     }
+  }
   return this->FullPath;
 }
 
@@ -126,15 +117,13 @@ std::string const& cmSourceFile::GetFullPath() const
 bool cmSourceFile::FindFullPath(std::string* error)
 {
   // If thie method has already failed once do not try again.
-  if(this->FindFullPathFailed)
-    {
+  if (this->FindFullPathFailed) {
     return false;
-    }
+  }
 
   // If the file is generated compute the location without checking on
   // disk.
-  if(this->GetPropertyAsBool("GENERATED"))
-    {
+  if (this->GetPropertyAsBool("GENERATED")) {
     // The file is either already a full path or is relative to the
     // build directory for the target.
     this->Location.DirectoryUseBinary();
@@ -142,99 +131,80 @@ bool cmSourceFile::FindFullPath(std::string* error)
     this->FullPath += "/";
     this->FullPath += this->Location.GetName();
     return true;
-    }
+  }
 
   // The file is not generated.  It must exist on disk.
   cmMakefile const* mf = this->Location.GetMakefile();
-  const char* tryDirs[3] = {0, 0, 0};
-  if(this->Location.DirectoryIsAmbiguous())
-    {
+  const char* tryDirs[3] = { 0, 0, 0 };
+  if (this->Location.DirectoryIsAmbiguous()) {
     tryDirs[0] = mf->GetCurrentSourceDirectory();
     tryDirs[1] = mf->GetCurrentBinaryDirectory();
-    }
-  else
-    {
+  } else {
     tryDirs[0] = "";
-    }
+  }
   const std::vector<std::string>& srcExts =
-      mf->GetCMakeInstance()->GetSourceExtensions();
+    mf->GetCMakeInstance()->GetSourceExtensions();
   std::vector<std::string> hdrExts =
-      mf->GetCMakeInstance()->GetHeaderExtensions();
-  for(const char* const* di = tryDirs; *di; ++di)
-    {
+    mf->GetCMakeInstance()->GetHeaderExtensions();
+  for (const char* const* di = tryDirs; *di; ++di) {
     std::string tryPath = this->Location.GetDirectory();
-    if(!tryPath.empty())
-      {
+    if (!tryPath.empty()) {
       tryPath += "/";
-      }
+    }
     tryPath += this->Location.GetName();
     tryPath = cmSystemTools::CollapseFullPath(tryPath, *di);
-    if(this->TryFullPath(tryPath, ""))
-      {
+    if (this->TryFullPath(tryPath, "")) {
       return true;
-      }
-    for(std::vector<std::string>::const_iterator ei = srcExts.begin();
-        ei != srcExts.end(); ++ei)
-      {
-      if(this->TryFullPath(tryPath, *ei))
-        {
+    }
+    for (std::vector<std::string>::const_iterator ei = srcExts.begin();
+         ei != srcExts.end(); ++ei) {
+      if (this->TryFullPath(tryPath, *ei)) {
         return true;
-        }
       }
-    for(std::vector<std::string>::const_iterator ei = hdrExts.begin();
-        ei != hdrExts.end(); ++ei)
-      {
-      if(this->TryFullPath(tryPath, *ei))
-        {
+    }
+    for (std::vector<std::string>::const_iterator ei = hdrExts.begin();
+         ei != hdrExts.end(); ++ei) {
+      if (this->TryFullPath(tryPath, *ei)) {
         return true;
-        }
       }
     }
+  }
 
   std::ostringstream e;
   std::string missing = this->Location.GetDirectory();
-  if(!missing.empty())
-    {
+  if (!missing.empty()) {
     missing += "/";
-    }
+  }
   missing += this->Location.GetName();
   e << "Cannot find source file:\n  " << missing << "\nTried extensions";
-  for(std::vector<std::string>::const_iterator ext = srcExts.begin();
-      ext != srcExts.end(); ++ext)
-    {
+  for (std::vector<std::string>::const_iterator ext = srcExts.begin();
+       ext != srcExts.end(); ++ext) {
     e << " ." << *ext;
-    }
-  for(std::vector<std::string>::const_iterator ext = hdrExts.begin();
-      ext != hdrExts.end(); ++ext)
-    {
+  }
+  for (std::vector<std::string>::const_iterator ext = hdrExts.begin();
+       ext != hdrExts.end(); ++ext) {
     e << " ." << *ext;
-    }
-  if(error)
-    {
+  }
+  if (error) {
     *error = e.str();
-    }
-  else
-    {
+  } else {
     this->Location.GetMakefile()->IssueMessage(cmake::FATAL_ERROR, e.str());
-    }
+  }
   this->FindFullPathFailed = true;
   return false;
 }
 
-bool cmSourceFile::TryFullPath(const std::string& path,
-                               const std::string& ext)
+bool cmSourceFile::TryFullPath(const std::string& path, const std::string& ext)
 {
   std::string tryPath = path;
-  if(!ext.empty())
-    {
+  if (!ext.empty()) {
     tryPath += ".";
     tryPath += ext;
-    }
-  if(cmSystemTools::FileExists(tryPath.c_str()))
-    {
+  }
+  if (cmSystemTools::FileExists(tryPath.c_str())) {
     this->FullPath = tryPath;
     return true;
-    }
+  }
   return false;
 }
 
@@ -243,25 +213,21 @@ void cmSourceFile::CheckExtension()
   // Compute the extension.
   std::string realExt =
     cmSystemTools::GetFilenameLastExtension(this->FullPath);
-  if(!realExt.empty())
-    {
+  if (!realExt.empty()) {
     // Store the extension without the leading '.'.
     this->Extension = realExt.substr(1);
-    }
+  }
 
   // Look for object files.
-  if(this->Extension == "obj" ||
-     this->Extension == "o" ||
-     this->Extension == "lo")
-    {
+  if (this->Extension == "obj" || this->Extension == "o" ||
+      this->Extension == "lo") {
     this->SetProperty("EXTERNAL_OBJECT", "1");
-    }
+  }
 
   // Try to identify the source file language from the extension.
-  if(this->Language.empty())
-    {
+  if (this->Language.empty()) {
     this->CheckLanguage(this->Extension);
-    }
+  }
 }
 
 void cmSourceFile::CheckLanguage(std::string const& ext)
@@ -270,10 +236,9 @@ void cmSourceFile::CheckLanguage(std::string const& ext)
   cmMakefile const* mf = this->Location.GetMakefile();
   cmGlobalGenerator* gg = mf->GetGlobalGenerator();
   std::string l = gg->GetLanguageFromExtension(ext.c_str());
-  if(!l.empty())
-    {
+  if (!l.empty()) {
     this->Language = l;
-    }
+  }
 }
 
 bool cmSourceFile::Matches(cmSourceFileLocation const& loc)
@@ -285,14 +250,12 @@ void cmSourceFile::SetProperty(const std::string& prop, const char* value)
 {
   this->Properties.SetProperty(prop, value);
 
-  if (this->IsUiFile)
-    {
+  if (this->IsUiFile) {
     cmMakefile const* mf = this->Location.GetMakefile();
-    if (prop == "AUTOUIC_OPTIONS")
-      {
+    if (prop == "AUTOUIC_OPTIONS") {
       const_cast<cmMakefile*>(mf)->AddQtUiFileWithOptions(this);
-      }
     }
+  }
 }
 
 void cmSourceFile::AppendProperty(const std::string& prop, const char* value,
@@ -317,11 +280,10 @@ const char* cmSourceFile::GetPropertyForUser(const std::string& prop)
   // cmSourceFileLocation class to commit to a particular full path to
   // the source file as late as possible.  If the users requests the
   // LOCATION property we must commit now.
-  if(prop == "LOCATION")
-    {
+  if (prop == "LOCATION") {
     // Commit to a location.
     this->GetFullPath();
-    }
+  }
 
   // Perform the normal property lookup.
   return this->GetProperty(prop);
@@ -330,29 +292,23 @@ const char* cmSourceFile::GetPropertyForUser(const std::string& prop)
 const char* cmSourceFile::GetProperty(const std::string& prop) const
 {
   // Check for computed properties.
-  if(prop == "LOCATION")
-    {
-    if(this->FullPath.empty())
-      {
+  if (prop == "LOCATION") {
+    if (this->FullPath.empty()) {
       return 0;
-      }
-    else
-      {
+    } else {
       return this->FullPath.c_str();
-      }
     }
+  }
 
-  const char *retVal = this->Properties.GetPropertyValue(prop);
-  if (!retVal)
-    {
+  const char* retVal = this->Properties.GetPropertyValue(prop);
+  if (!retVal) {
     cmMakefile const* mf = this->Location.GetMakefile();
-    const bool chain = mf->GetState()->
-                      IsPropertyChained(prop, cmProperty::SOURCE_FILE);
-    if (chain)
-      {
+    const bool chain =
+      mf->GetState()->IsPropertyChained(prop, cmProperty::SOURCE_FILE);
+    if (chain) {
       return mf->GetProperty(prop, chain);
-      }
     }
+  }
 
   return retVal;
 }