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, 107 insertions, 153 deletions

diff --git a/Source/cmMachO.cxx b/Source/cmMachO.cxx
index 147979d..314760e 100644
--- a/Source/cmMachO.cxx
+++ b/Source/cmMachO.cxx
@@ -43,48 +43,43 @@
 
 namespace {
 
-  // peek in the file
-  template <typename T>
-  bool peek(cmsys::ifstream& fin, T &v)
-    {
-    std::streampos p = fin.tellg();
-    if(!fin.read(reinterpret_cast<char*>(&v), sizeof(T)))
-      {
-      return false;
-      }
-    fin.seekg(p);
-    return fin.good();
-    }
+// peek in the file
+template <typename T>
+bool peek(cmsys::ifstream& fin, T& v)
+{
+  std::streampos p = fin.tellg();
+  if (!fin.read(reinterpret_cast<char*>(&v), sizeof(T))) {
+    return false;
+  }
+  fin.seekg(p);
+  return fin.good();
+}
 
-  // read from the file and fill a data structure
-  template <typename T>
-  bool read(cmsys::ifstream& fin, T& v)
-    {
-    if(!fin.read(reinterpret_cast<char*>(&v), sizeof(T)))
-      {
-      return false;
-      }
-    return true;
-    }
+// read from the file and fill a data structure
+template <typename T>
+bool read(cmsys::ifstream& fin, T& v)
+{
+  if (!fin.read(reinterpret_cast<char*>(&v), sizeof(T))) {
+    return false;
+  }
+  return true;
+}
 
-  // read from the file and fill multiple data structures where
-  // the vector has been resized
-  template <typename T>
-  bool read(cmsys::ifstream& fin, std::vector<T>& v)
-    {
-    // nothing to read
-    if(v.empty())
-      {
-      return true;
-      }
-    if(!fin.read(reinterpret_cast<char*>(&v[0]), sizeof(T) * v.size()))
-      {
-      return false;
-      }
+// read from the file and fill multiple data structures where
+// the vector has been resized
+template <typename T>
+bool read(cmsys::ifstream& fin, std::vector<T>& v)
+{
+  // nothing to read
+  if (v.empty()) {
     return true;
-    }
+  }
+  if (!fin.read(reinterpret_cast<char*>(&v[0]), sizeof(T) * v.size())) {
+    return false;
+  }
+  return true;
+}
 }
-
 
 // Contains header and load commands for a single Mach-O file
 class cmMachOHeaderAndLoadCommands
@@ -92,45 +87,41 @@ class cmMachOHeaderAndLoadCommands
 public:
   // A load_command and its associated data
   struct RawLoadCommand
-    {
+  {
     uint32_t type(const cmMachOHeaderAndLoadCommands* m) const
-      {
-      if(this->LoadCommand.size() < sizeof(load_command))
-        {
+    {
+      if (this->LoadCommand.size() < sizeof(load_command)) {
         return 0;
-        }
+      }
       const load_command* cmd =
         reinterpret_cast<const load_command*>(&this->LoadCommand[0]);
       return m->swap(cmd->cmd);
-      }
+    }
     std::vector<char> LoadCommand;
-    };
+  };
 
   cmMachOHeaderAndLoadCommands(bool _swap)
     : Swap(_swap)
-    {
-    }
-  virtual ~cmMachOHeaderAndLoadCommands()
-    {
-    }
+  {
+  }
+  virtual ~cmMachOHeaderAndLoadCommands() {}
 
   virtual bool read_mach_o(cmsys::ifstream& fin) = 0;
 
   const std::vector<RawLoadCommand>& load_commands() const
-    {
+  {
     return this->LoadCommands;
-    }
+  }
 
   uint32_t swap(uint32_t v) const
-    {
-    if(this->Swap)
-      {
+  {
+    if (this->Swap) {
       char* c = reinterpret_cast<char*>(&v);
       std::swap(c[0], c[3]);
       std::swap(c[1], c[2]);
-      }
-    return v;
     }
+    return v;
+  }
 
 protected:
   bool read_load_commands(uint32_t ncmds, uint32_t sizeofcmds,
@@ -148,14 +139,13 @@ class cmMachOHeaderAndLoadCommandsImpl : public cmMachOHeaderAndLoadCommands
 public:
   cmMachOHeaderAndLoadCommandsImpl(bool _swap)
     : cmMachOHeaderAndLoadCommands(_swap)
-    {
-    }
+  {
+  }
   bool read_mach_o(cmsys::ifstream& fin)
-    {
-    if(!read(fin, this->Header))
-      {
+  {
+    if (!read(fin, this->Header)) {
       return false;
-      }
+    }
     this->Header.cputype = swap(this->Header.cputype);
     this->Header.cpusubtype = swap(this->Header.cpusubtype);
     this->Header.filetype = swap(this->Header.filetype);
@@ -163,45 +153,40 @@ public:
     this->Header.sizeofcmds = swap(this->Header.sizeofcmds);
     this->Header.flags = swap(this->Header.flags);
 
-    return read_load_commands(this->Header.ncmds,
-                              this->Header.sizeofcmds,
+    return read_load_commands(this->Header.ncmds, this->Header.sizeofcmds,
                               fin);
-    }
+  }
+
 protected:
   T Header;
 };
 
-
 bool cmMachOHeaderAndLoadCommands::read_load_commands(uint32_t ncmds,
                                                       uint32_t sizeofcmds,
                                                       cmsys::ifstream& fin)
 {
   uint32_t size_read = 0;
   this->LoadCommands.resize(ncmds);
-  for(uint32_t i = 0; i<ncmds; i++)
-    {
+  for (uint32_t i = 0; i < ncmds; i++) {
     load_command lc;
-    if(!peek(fin, lc))
-      {
+    if (!peek(fin, lc)) {
       return false;
-      }
+    }
     lc.cmd = swap(lc.cmd);
     lc.cmdsize = swap(lc.cmdsize);
     size_read += lc.cmdsize;
 
     RawLoadCommand& c = this->LoadCommands[i];
     c.LoadCommand.resize(lc.cmdsize);
-    if(!read(fin, c.LoadCommand))
-      {
+    if (!read(fin, c.LoadCommand)) {
       return false;
-      }
     }
+  }
 
-  if(size_read != sizeofcmds)
-    {
+  if (size_read != sizeofcmds) {
     this->LoadCommands.clear();
     return false;
-    }
+  }
 
   return true;
 }
@@ -233,126 +218,100 @@ cmMachOInternal::cmMachOInternal(const char* fname)
   : Fin(fname)
 {
   // Quit now if the file could not be opened.
-  if(!this->Fin || !this->Fin.get() )
-    {
+  if (!this->Fin || !this->Fin.get()) {
     this->ErrorMessage = "Error opening input file.";
     return;
-    }
+  }
 
-  if(!this->Fin.seekg(0))
-    {
+  if (!this->Fin.seekg(0)) {
     this->ErrorMessage = "Error seeking to beginning of file.";
     return;
-    }
+  }
 
   // Read the binary identification block.
   uint32_t magic = 0;
-  if(!peek(this->Fin, magic))
-    {
+  if (!peek(this->Fin, magic)) {
     this->ErrorMessage = "Error reading Mach-O identification.";
     return;
-    }
+  }
 
   // Verify the binary identification.
-  if(!(magic == MH_CIGAM ||
-       magic == MH_MAGIC ||
-       magic == MH_CIGAM_64 ||
-       magic == MH_MAGIC_64 ||
-       magic == FAT_CIGAM ||
-       magic == FAT_MAGIC))
-    {
+  if (!(magic == MH_CIGAM || magic == MH_MAGIC || magic == MH_CIGAM_64 ||
+        magic == MH_MAGIC_64 || magic == FAT_CIGAM || magic == FAT_MAGIC)) {
     this->ErrorMessage = "File does not have a valid Mach-O identification.";
     return;
-    }
+  }
 
-  if(magic == FAT_MAGIC || magic == FAT_CIGAM)
-    {
+  if (magic == FAT_MAGIC || magic == FAT_CIGAM) {
     // this is a universal binary
     fat_header header;
-    if(!read(this->Fin, header))
-      {
+    if (!read(this->Fin, header)) {
       this->ErrorMessage = "Error reading fat header.";
       return;
-      }
+    }
 
     // read fat_archs
     this->FatArchs.resize(OSSwapBigToHostInt32(header.nfat_arch));
-    if(!read(this->Fin, this->FatArchs))
-      {
+    if (!read(this->Fin, this->FatArchs)) {
       this->ErrorMessage = "Error reading fat header archs.";
       return;
-      }
+    }
 
     // parse each Mach-O file
-    for(size_t i=0; i<this->FatArchs.size(); i++)
-      {
+    for (size_t i = 0; i < this->FatArchs.size(); i++) {
       const fat_arch& arch = this->FatArchs[i];
-      if(!this->read_mach_o(OSSwapBigToHostInt32(arch.offset)))
-        {
+      if (!this->read_mach_o(OSSwapBigToHostInt32(arch.offset))) {
         return;
-        }
       }
     }
-  else
-    {
+  } else {
     // parse Mach-O file at the beginning of the file
     this->read_mach_o(0);
-    }
+  }
 }
 
 cmMachOInternal::~cmMachOInternal()
 {
-  for(size_t i=0; i<this->MachOList.size(); i++)
-    {
+  for (size_t i = 0; i < this->MachOList.size(); i++) {
     delete this->MachOList[i];
-    }
+  }
 }
 
 bool cmMachOInternal::read_mach_o(uint32_t file_offset)
 {
-  if(!this->Fin.seekg(file_offset))
-    {
+  if (!this->Fin.seekg(file_offset)) {
     this->ErrorMessage = "Failed to locate Mach-O content.";
     return false;
-    }
+  }
 
   uint32_t magic;
-  if(!peek(this->Fin, magic))
-    {
+  if (!peek(this->Fin, magic)) {
     this->ErrorMessage = "Error reading Mach-O identification.";
     return false;
-    }
+  }
 
   cmMachOHeaderAndLoadCommands* f = NULL;
-  if(magic == MH_CIGAM || magic == MH_MAGIC)
-    {
+  if (magic == MH_CIGAM || magic == MH_MAGIC) {
     bool swap = false;
-    if(magic == MH_CIGAM)
-      {
+    if (magic == MH_CIGAM) {
       swap = true;
-      }
-    f = new cmMachOHeaderAndLoadCommandsImpl<mach_header>(swap);
     }
-  else if(magic == MH_CIGAM_64 || magic == MH_MAGIC_64)
-    {
+    f = new cmMachOHeaderAndLoadCommandsImpl<mach_header>(swap);
+  } else if (magic == MH_CIGAM_64 || magic == MH_MAGIC_64) {
     bool swap = false;
-    if(magic == MH_CIGAM_64)
-      {
+    if (magic == MH_CIGAM_64) {
       swap = true;
-      }
-    f = new cmMachOHeaderAndLoadCommandsImpl<mach_header_64>(swap);
     }
+    f = new cmMachOHeaderAndLoadCommandsImpl<mach_header_64>(swap);
+  }
 
-  if(f && f->read_mach_o(this->Fin))
-    {
+  if (f && f->read_mach_o(this->Fin)) {
     this->MachOList.push_back(f);
-    }
-  else
-    {
+  } else {
     delete f;
     this->ErrorMessage = "Failed to read Mach-O header.";
     return false;
-    }
+  }
 
   return true;
 }
@@ -360,10 +319,10 @@ bool cmMachOInternal::read_mach_o(uint32_t file_offset)
 //============================================================================
 // External class implementation.
 
-cmMachO::cmMachO(const char* fname): Internal(0)
+cmMachO::cmMachO(const char* fname)
+  : Internal(0)
 {
   this->Internal = new cmMachOInternal(fname);
-
 }
 
 cmMachO::~cmMachO()
@@ -383,30 +342,25 @@ bool cmMachO::Valid() const
 
 bool cmMachO::GetInstallName(std::string& install_name)
 {
-  if(this->Internal->MachOList.empty())
-    {
+  if (this->Internal->MachOList.empty()) {
     return false;
-    }
+  }
 
   // grab the first Mach-O and get the install name from that one
   cmMachOHeaderAndLoadCommands* macho = this->Internal->MachOList[0];
-  for(size_t i=0; i<macho->load_commands().size(); i++)
-    {
-    const cmMachOHeaderAndLoadCommands::RawLoadCommand &cmd =
+  for (size_t i = 0; i < macho->load_commands().size(); i++) {
+    const cmMachOHeaderAndLoadCommands::RawLoadCommand& cmd =
       macho->load_commands()[i];
     uint32_t lc_cmd = cmd.type(macho);
-    if(lc_cmd == LC_ID_DYLIB ||
-       lc_cmd == LC_LOAD_WEAK_DYLIB ||
-       lc_cmd == LC_LOAD_DYLIB)
-      {
-      if(sizeof(dylib_command) < cmd.LoadCommand.size())
-        {
+    if (lc_cmd == LC_ID_DYLIB || lc_cmd == LC_LOAD_WEAK_DYLIB ||
+        lc_cmd == LC_LOAD_DYLIB) {
+      if (sizeof(dylib_command) < cmd.LoadCommand.size()) {
         uint32_t namelen = cmd.LoadCommand.size() - sizeof(dylib_command);
         install_name.assign(&cmd.LoadCommand[sizeof(dylib_command)], namelen);
         return true;
-        }
       }
     }
+  }
 
   return false;
 }