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, 47 insertions, 64 deletions

diff --git a/Source/cmCustomCommandGenerator.cxx b/Source/cmCustomCommandGenerator.cxx
index 4a19160..99bb601 100644
--- a/Source/cmCustomCommandGenerator.cxx
+++ b/Source/cmCustomCommandGenerator.cxx
@@ -17,11 +17,16 @@
 #include "cmMakefile.h"
 #include "cmOutputConverter.h"
 
-cmCustomCommandGenerator::cmCustomCommandGenerator(
-  cmCustomCommand const& cc, const std::string& config, cmLocalGenerator* lg):
-  CC(cc), Config(config), LG(lg),
-  OldStyle(cc.GetEscapeOldStyle()), MakeVars(cc.GetEscapeAllowMakeVars()),
-  GE(new cmGeneratorExpression(cc.GetBacktrace())), DependsDone(false)
+cmCustomCommandGenerator::cmCustomCommandGenerator(cmCustomCommand const& cc,
+                                                   const std::string& config,
+                                                   cmLocalGenerator* lg)
+  : CC(cc)
+  , Config(config)
+  , LG(lg)
+  , OldStyle(cc.GetEscapeOldStyle())
+  , MakeVars(cc.GetEscapeAllowMakeVars())
+  , GE(new cmGeneratorExpression(cc.GetBacktrace()))
+  , DependsDone(false)
 {
 }
 
@@ -38,34 +43,28 @@ unsigned int cmCustomCommandGenerator::GetNumberOfCommands() const
 bool cmCustomCommandGenerator::UseCrossCompilingEmulator(unsigned int c) const
 {
   std::string const& argv0 = this->CC.GetCommandLines()[c][0];
-  cmGeneratorTarget* target =
-      this->LG->FindGeneratorTargetToUse(argv0);
-  if(target && target->GetType() == cmState::EXECUTABLE)
-    {
+  cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(argv0);
+  if (target && target->GetType() == cmState::EXECUTABLE) {
     return target->GetProperty("CROSSCOMPILING_EMULATOR") != 0;
-    }
+  }
   return false;
 }
 
 std::string cmCustomCommandGenerator::GetCommand(unsigned int c) const
 {
   std::string const& argv0 = this->CC.GetCommandLines()[c][0];
-  cmGeneratorTarget* target =
-      this->LG->FindGeneratorTargetToUse(argv0);
-  if(target && target->GetType() == cmState::EXECUTABLE &&
-     (target->IsImported()
-      || !this->LG->GetMakefile()->IsOn("CMAKE_CROSSCOMPILING")))
-    {
+  cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(argv0);
+  if (target && target->GetType() == cmState::EXECUTABLE &&
+      (target->IsImported() ||
+       !this->LG->GetMakefile()->IsOn("CMAKE_CROSSCOMPILING"))) {
     return target->GetLocation(this->Config);
-    }
-  if (target && target->GetType() == cmState::EXECUTABLE)
-    {
+  }
+  if (target && target->GetType() == cmState::EXECUTABLE) {
     const char* emulator = target->GetProperty("CROSSCOMPILING_EMULATOR");
-    if (emulator)
-      {
-      return  std::string(emulator);
-      }
+    if (emulator) {
+      return std::string(emulator);
     }
+  }
 
   cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = this->GE->Parse(argv0);
   std::string exe = cge->Evaluate(this->LG, this->Config);
@@ -80,53 +79,43 @@ std::string escapeForShellOldStyle(const std::string& str)
   // if there are spaces
   std::string temp = str;
   if (temp.find(" ") != std::string::npos &&
-      temp.find("\"")==std::string::npos)
-    {
+      temp.find("\"") == std::string::npos) {
     result = "\"";
     result += str;
     result += "\"";
     return result;
-    }
+  }
   return str;
 #else
-  for(const char* ch = str.c_str(); *ch != '\0'; ++ch)
-    {
-    if(*ch == ' ')
-      {
+  for (const char* ch = str.c_str(); *ch != '\0'; ++ch) {
+    if (*ch == ' ') {
       result += '\\';
-      }
-    result += *ch;
     }
+    result += *ch;
+  }
   return result;
 #endif
 }
 
-void
-cmCustomCommandGenerator
-::AppendArguments(unsigned int c, std::string& cmd) const
+void cmCustomCommandGenerator::AppendArguments(unsigned int c,
+                                               std::string& cmd) const
 {
   unsigned int offset = 1;
-  if (this->UseCrossCompilingEmulator(c))
-    {
+  if (this->UseCrossCompilingEmulator(c)) {
     offset = 0;
-    }
+  }
   cmCustomCommandLine const& commandLine = this->CC.GetCommandLines()[c];
-  for(unsigned int j=offset;j < commandLine.size(); ++j)
-    {
+  for (unsigned int j = offset; j < commandLine.size(); ++j) {
     std::string arg =
-        this->GE->Parse(commandLine[j])->Evaluate(this->LG,
-                                                  this->Config);
+      this->GE->Parse(commandLine[j])->Evaluate(this->LG, this->Config);
     cmd += " ";
-    if(this->OldStyle)
-      {
+    if (this->OldStyle) {
       cmd += escapeForShellOldStyle(arg);
-      }
-    else
-      {
+    } else {
       cmOutputConverter converter(this->LG->GetStateSnapshot());
       cmd += converter.EscapeForShell(arg, this->MakeVars);
-      }
     }
+  }
 }
 
 const char* cmCustomCommandGenerator::GetComment() const
@@ -151,29 +140,23 @@ std::vector<std::string> const& cmCustomCommandGenerator::GetByproducts() const
 
 std::vector<std::string> const& cmCustomCommandGenerator::GetDepends() const
 {
-  if (!this->DependsDone)
-    {
+  if (!this->DependsDone) {
     this->DependsDone = true;
     std::vector<std::string> depends = this->CC.GetDepends();
-    for(std::vector<std::string>::const_iterator
-          i = depends.begin();
-        i != depends.end(); ++i)
-      {
-      cmsys::auto_ptr<cmCompiledGeneratorExpression> cge
-                                              = this->GE->Parse(*i);
+    for (std::vector<std::string>::const_iterator i = depends.begin();
+         i != depends.end(); ++i) {
+      cmsys::auto_ptr<cmCompiledGeneratorExpression> cge = this->GE->Parse(*i);
       std::vector<std::string> result;
-      cmSystemTools::ExpandListArgument(
-            cge->Evaluate(this->LG, this->Config), result);
+      cmSystemTools::ExpandListArgument(cge->Evaluate(this->LG, this->Config),
+                                        result);
       for (std::vector<std::string>::iterator it = result.begin();
-          it != result.end(); ++it)
-        {
-        if (cmSystemTools::FileIsFullPath(it->c_str()))
-          {
+           it != result.end(); ++it) {
+        if (cmSystemTools::FileIsFullPath(it->c_str())) {
           *it = cmSystemTools::CollapseFullPath(*it);
-          }
         }
-      this->Depends.insert(this->Depends.end(), result.begin(), result.end());
       }
+      this->Depends.insert(this->Depends.end(), result.begin(), result.end());
     }
+  }
   return this->Depends;
 }