Avoid else after return

30 files changed, 203 insertions, 186 deletions

diff --git a/Source/cmCMakePolicyCommand.cxx b/Source/cmCMakePolicyCommand.cxx
index 03c4a37..d29e208 100644
--- a/Source/cmCMakePolicyCommand.cxx
+++ b/Source/cmCMakePolicyCommand.cxx
@@ -24,23 +24,27 @@ bool cmCMakePolicyCommand::InitialPass(std::vector<std::string> const& args,
 
   if (args[0] == "SET") {
     return this->HandleSetMode(args);
-  } else if (args[0] == "GET") {
+  }
+  if (args[0] == "GET") {
     return this->HandleGetMode(args);
-  } else if (args[0] == "PUSH") {
+  }
+  if (args[0] == "PUSH") {
     if (args.size() > 1) {
       this->SetError("PUSH may not be given additional arguments.");
       return false;
     }
     this->Makefile->PushPolicy();
     return true;
-  } else if (args[0] == "POP") {
+  }
+  if (args[0] == "POP") {
     if (args.size() > 1) {
       this->SetError("POP may not be given additional arguments.");
       return false;
     }
     this->Makefile->PopPolicy();
     return true;
-  } else if (args[0] == "VERSION") {
+  }
+  if (args[0] == "VERSION") {
     return this->HandleVersionMode(args);
   }
 
@@ -148,7 +152,8 @@ bool cmCMakePolicyCommand::HandleVersionMode(
   if (args.size() <= 1) {
     this->SetError("VERSION not given an argument");
     return false;
-  } else if (args.size() >= 3) {
+  }
+  if (args.size() >= 3) {
     this->SetError("VERSION given too many arguments");
     return false;
   }
diff --git a/Source/cmCPluginAPI.cxx b/Source/cmCPluginAPI.cxx
index f97791a..3d7839b 100644
--- a/Source/cmCPluginAPI.cxx
+++ b/Source/cmCPluginAPI.cxx
@@ -524,9 +524,8 @@ void CCONV* cmGetSource(void* arg, const char* name)
       i = cmCPluginAPISourceFiles.insert(entry).first;
     }
     return (void*)i->second;
-  } else {
-    return CM_NULLPTR;
   }
+  return CM_NULLPTR;
 }
 
 void* CCONV cmAddSource(void* arg, void* arg2)
@@ -574,12 +573,11 @@ const char* CCONV cmSourceFileGetProperty(void* arg, const char* prop)
   cmCPluginAPISourceFile* sf = static_cast<cmCPluginAPISourceFile*>(arg);
   if (cmSourceFile* rsf = sf->RealSourceFile) {
     return rsf->GetProperty(prop);
-  } else {
-    if (!strcmp(prop, "LOCATION")) {
-      return sf->FullPath.c_str();
-    }
-    return sf->Properties.GetPropertyValue(prop);
   }
+  if (!strcmp(prop, "LOCATION")) {
+    return sf->FullPath.c_str();
+  }
+  return sf->Properties.GetPropertyValue(prop);
 }
 
 int CCONV cmSourceFileGetPropertyAsBool(void* arg, const char* prop)
@@ -587,9 +585,8 @@ int CCONV cmSourceFileGetPropertyAsBool(void* arg, const char* prop)
   cmCPluginAPISourceFile* sf = static_cast<cmCPluginAPISourceFile*>(arg);
   if (cmSourceFile* rsf = sf->RealSourceFile) {
     return rsf->GetPropertyAsBool(prop) ? 1 : 0;
-  } else {
-    return cmSystemTools::IsOn(cmSourceFileGetProperty(arg, prop)) ? 1 : 0;
   }
+  return cmSystemTools::IsOn(cmSourceFileGetProperty(arg, prop)) ? 1 : 0;
 }
 
 void CCONV cmSourceFileSetProperty(void* arg, const char* prop,
diff --git a/Source/cmConditionEvaluator.cxx b/Source/cmConditionEvaluator.cxx
index e670dc6..f78e840 100644
--- a/Source/cmConditionEvaluator.cxx
+++ b/Source/cmConditionEvaluator.cxx
@@ -249,20 +249,19 @@ bool cmConditionEvaluator::GetBooleanValueOld(
     // Old IsTrue behavior for single argument.
     if (arg == "0") {
       return false;
-    } else if (arg == "1") {
+    }
+    if (arg == "1") {
       return true;
-    } else {
-      const char* def = this->GetDefinitionIfUnquoted(arg);
-      return !cmSystemTools::IsOff(def);
     }
-  } else {
-    // Old GetVariableOrNumber behavior.
     const char* def = this->GetDefinitionIfUnquoted(arg);
-    if (!def && atoi(arg.c_str())) {
-      def = arg.c_str();
-    }
     return !cmSystemTools::IsOff(def);
   }
+  // Old GetVariableOrNumber behavior.
+  const char* def = this->GetDefinitionIfUnquoted(arg);
+  if (!def && atoi(arg.c_str())) {
+    def = arg.c_str();
+  }
+  return !cmSystemTools::IsOff(def);
 }
 
 //=========================================================================
@@ -274,7 +273,8 @@ bool cmConditionEvaluator::GetBooleanValueWithAutoDereference(
   // Use the policy if it is set.
   if (this->Policy12Status == cmPolicies::NEW) {
     return GetBooleanValue(newArg);
-  } else if (this->Policy12Status == cmPolicies::OLD) {
+  }
+  if (this->Policy12Status == cmPolicies::OLD) {
     return GetBooleanValueOld(newArg, oneArg);
   }
 
diff --git a/Source/cmCoreTryCompile.cxx b/Source/cmCoreTryCompile.cxx
index e9367b1..3fdf35a 100644
--- a/Source/cmCoreTryCompile.cxx
+++ b/Source/cmCoreTryCompile.cxx
@@ -565,9 +565,8 @@ int cmCoreTryCompile::TryCompileCode(std::vector<std::string> const& argv,
         if (copyFileError.empty()) {
           this->Makefile->IssueMessage(cmake::FATAL_ERROR, emsg.str());
           return -1;
-        } else {
-          copyFileErrorMessage = emsg.str();
         }
+        copyFileErrorMessage = emsg.str();
       }
     }
 
diff --git a/Source/cmExecuteProcessCommand.cxx b/Source/cmExecuteProcessCommand.cxx
index 81d8a1f..ab7e0cc 100644
--- a/Source/cmExecuteProcessCommand.cxx
+++ b/Source/cmExecuteProcessCommand.cxx
@@ -159,10 +159,9 @@ bool cmExecuteProcessCommand::InitialPass(std::vector<std::string> const& args,
     if (cmds[i].empty()) {
       this->SetError(" given COMMAND argument with no value.");
       return false;
-    } else {
-      // Add the null terminating pointer to the command argument list.
-      cmds[i].push_back(CM_NULLPTR);
     }
+    // Add the null terminating pointer to the command argument list.
+    cmds[i].push_back(CM_NULLPTR);
   }
 
   // Parse the timeout string.
diff --git a/Source/cmExportCommand.cxx b/Source/cmExportCommand.cxx
index 134a63f..466fad3 100644
--- a/Source/cmExportCommand.cxx
+++ b/Source/cmExportCommand.cxx
@@ -51,7 +51,8 @@ bool cmExportCommand::InitialPass(std::vector<std::string> const& args,
 
   if (args[0] == "PACKAGE") {
     return this->HandlePackage(args);
-  } else if (args[0] == "EXPORT") {
+  }
+  if (args[0] == "EXPORT") {
     this->ExportSetName.Follows(CM_NULLPTR);
     this->ArgumentGroup.Follows(&this->ExportSetName);
   } else {
diff --git a/Source/cmFileCommand.cxx b/Source/cmFileCommand.cxx
index c10f426..8356fc7 100644
--- a/Source/cmFileCommand.cxx
+++ b/Source/cmFileCommand.cxx
@@ -104,19 +104,25 @@ bool cmFileCommand::InitialPass(std::vector<std::string> const& args,
   std::string subCommand = args[0];
   if (subCommand == "WRITE") {
     return this->HandleWriteCommand(args, false);
-  } else if (subCommand == "APPEND") {
+  }
+  if (subCommand == "APPEND") {
     return this->HandleWriteCommand(args, true);
-  } else if (subCommand == "DOWNLOAD") {
+  }
+  if (subCommand == "DOWNLOAD") {
     return this->HandleDownloadCommand(args);
-  } else if (subCommand == "UPLOAD") {
+  }
+  if (subCommand == "UPLOAD") {
     return this->HandleUploadCommand(args);
-  } else if (subCommand == "READ") {
+  }
+  if (subCommand == "READ") {
     return this->HandleReadCommand(args);
-  } else if (subCommand == "MD5" || subCommand == "SHA1" ||
-             subCommand == "SHA224" || subCommand == "SHA256" ||
-             subCommand == "SHA384" || subCommand == "SHA512") {
+  }
+  if (subCommand == "MD5" || subCommand == "SHA1" || subCommand == "SHA224" ||
+      subCommand == "SHA256" || subCommand == "SHA384" ||
+      subCommand == "SHA512") {
     return this->HandleHashCommand(args);
-  } else if (subCommand == "STRINGS") {
+  }
+  if (subCommand == "STRINGS") {
     return this->HandleStringsCommand(args);
   } else if (subCommand == "GLOB") {
     return this->HandleGlobCommand(args, false);
@@ -1408,11 +1414,14 @@ bool cmFileCopier::Install(const char* fromFile, const char* toFile)
 
   if (cmSystemTools::SameFile(fromFile, toFile)) {
     return true;
-  } else if (cmSystemTools::FileIsSymlink(fromFile)) {
+  }
+  if (cmSystemTools::FileIsSymlink(fromFile)) {
     return this->InstallSymlink(fromFile, toFile);
-  } else if (cmSystemTools::FileIsDirectory(fromFile)) {
+  }
+  if (cmSystemTools::FileIsDirectory(fromFile)) {
     return this->InstallDirectory(fromFile, toFile, match_properties);
-  } else if (cmSystemTools::FileExists(fromFile)) {
+  }
+  if (cmSystemTools::FileExists(fromFile)) {
     return this->InstallFile(fromFile, toFile, match_properties);
   }
   return this->ReportMissing(fromFile);
@@ -3129,20 +3138,20 @@ bool cmFileCommand::HandleLockCommand(std::vector<std::string> const& args)
       if (i >= args.size()) {
         this->Makefile->IssueMessage(cmake::FATAL_ERROR, merr);
         return false;
+      }
+      if (args[i] == "FUNCTION") {
+        guard = GUARD_FUNCTION;
+      } else if (args[i] == "FILE") {
+        guard = GUARD_FILE;
+      } else if (args[i] == "PROCESS") {
+        guard = GUARD_PROCESS;
       } else {
-        if (args[i] == "FUNCTION") {
-          guard = GUARD_FUNCTION;
-        } else if (args[i] == "FILE") {
-          guard = GUARD_FILE;
-        } else if (args[i] == "PROCESS") {
-          guard = GUARD_PROCESS;
-        } else {
-          std::ostringstream e;
-          e << merr << ", but got:\n  \"" << args[i] << "\".";
-          this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
-          return false;
-        }
+        std::ostringstream e;
+        e << merr << ", but got:\n  \"" << args[i] << "\".";
+        this->Makefile->IssueMessage(cmake::FATAL_ERROR, e.str());
+        return false;
       }
+
     } else if (args[i] == "RESULT_VARIABLE") {
       ++i;
       if (i >= args.size()) {
@@ -3259,7 +3268,8 @@ bool cmFileCommand::HandleTimestampCommand(
   if (args.size() < 3) {
     this->SetError("sub-command TIMESTAMP requires at least two arguments.");
     return false;
-  } else if (args.size() > 5) {
+  }
+  if (args.size() > 5) {
     this->SetError("sub-command TIMESTAMP takes at most four arguments.");
     return false;
   }
diff --git a/Source/cmFileLockUnix.cxx b/Source/cmFileLockUnix.cxx
index 6be6abc..64ced9e 100644
--- a/Source/cmFileLockUnix.cxx
+++ b/Source/cmFileLockUnix.cxx
@@ -37,9 +37,8 @@ cmFileLockResult cmFileLock::Release()
 
   if (lockResult == 0) {
     return cmFileLockResult::MakeOk();
-  } else {
-    return cmFileLockResult::MakeSystem();
   }
+  return cmFileLockResult::MakeSystem();
 }
 
 cmFileLockResult cmFileLock::OpenFile()
@@ -47,18 +46,16 @@ cmFileLockResult cmFileLock::OpenFile()
   this->File = ::open(this->Filename.c_str(), O_RDWR);
   if (this->File == -1) {
     return cmFileLockResult::MakeSystem();
-  } else {
-    return cmFileLockResult::MakeOk();
   }
+  return cmFileLockResult::MakeOk();
 }
 
 cmFileLockResult cmFileLock::LockWithoutTimeout()
 {
   if (this->LockFile(F_SETLKW, F_WRLCK) == -1) {
     return cmFileLockResult::MakeSystem();
-  } else {
-    return cmFileLockResult::MakeOk();
   }
+  return cmFileLockResult::MakeOk();
 }
 
 cmFileLockResult cmFileLock::LockWithTimeout(unsigned long seconds)
diff --git a/Source/cmFindBase.cxx b/Source/cmFindBase.cxx
index c785e6c..fb95152 100644
--- a/Source/cmFindBase.cxx
+++ b/Source/cmFindBase.cxx
@@ -321,7 +321,8 @@ bool cmFindBase::CheckForVariableInCache()
         this->AlreadyInCacheWithoutMetaInfo = true;
       }
       return true;
-    } else if (cached) {
+    }
+    if (cached) {
       const char* hs =
         state->GetCacheEntryProperty(this->VariableName, "HELPSTRING");
       this->VariableDocumentation = hs ? hs : "(none)";
diff --git a/Source/cmFindLibraryCommand.cxx b/Source/cmFindLibraryCommand.cxx
index 3094fcf..0fd56b5 100644
--- a/Source/cmFindLibraryCommand.cxx
+++ b/Source/cmFindLibraryCommand.cxx
@@ -378,9 +378,8 @@ std::string cmFindLibraryCommand::FindNormalLibrary()
 {
   if (this->NamesPerDir) {
     return this->FindNormalLibraryNamesPerDir();
-  } else {
-    return this->FindNormalLibraryDirsPerName();
   }
+  return this->FindNormalLibraryDirsPerName();
 }
 
 std::string cmFindLibraryCommand::FindNormalLibraryNamesPerDir()
@@ -428,9 +427,8 @@ std::string cmFindLibraryCommand::FindFrameworkLibrary()
 {
   if (this->NamesPerDir) {
     return this->FindFrameworkLibraryNamesPerDir();
-  } else {
-    return this->FindFrameworkLibraryDirsPerName();
   }
+  return this->FindFrameworkLibraryDirsPerName();
 }
 
 std::string cmFindLibraryCommand::FindFrameworkLibraryNamesPerDir()
diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index 405dce3..8b7bee2 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -1308,18 +1308,16 @@ bool cmFindPackageCommand::CheckPackageRegistryEntry(const std::string& fname,
         outPaths.AddPath(fname);
       }
       return true;
-    } else {
-      // The path does not exist.  Assume the stream content is
-      // associated with an old package that no longer exists, and
-      // delete it to keep the package registry clean.
-      return false;
     }
-  } else {
-    // The first line in the stream is not the full path to a file or
-    // directory.  Assume the stream content was created by a future
-    // version of CMake that uses a different format, and leave it.
-    return true;
+    // The path does not exist.  Assume the stream content is
+    // associated with an old package that no longer exists, and
+    // delete it to keep the package registry clean.
+    return false;
   }
+  // The first line in the stream is not the full path to a file or
+  // directory.  Assume the stream content was created by a future
+  // version of CMake that uses a different format, and leave it.
+  return true;
 }
 
 void cmFindPackageCommand::FillPrefixesCMakeSystemVariable()
@@ -1628,9 +1626,8 @@ private:
   {
     if (this->UseSuffixes) {
       return this->FPC->SearchDirectory(fullPath);
-    } else {
-      return this->FPC->CheckDirectory(fullPath);
     }
+    return this->FPC->CheckDirectory(fullPath);
   }
   cmFindPackageCommand* FPC;
   bool UseSuffixes;
@@ -1653,9 +1650,8 @@ bool cmFileListGeneratorBase::Consider(std::string const& fullPath,
 {
   if (this->Next.get()) {
     return this->Next->Search(fullPath + "/", listing);
-  } else {
-    return listing.Visit(fullPath + "/");
   }
+  return listing.Visit(fullPath + "/");
 }
 
 class cmFileListGeneratorFixed : public cmFileListGeneratorBase
diff --git a/Source/cmFindPathCommand.cxx b/Source/cmFindPathCommand.cxx
index d71fc1a..d8f8795 100644
--- a/Source/cmFindPathCommand.cxx
+++ b/Source/cmFindPathCommand.cxx
@@ -136,9 +136,8 @@ std::string cmFindPathCommand::FindNormalHeader()
       if (cmSystemTools::FileExists(tryPath.c_str())) {
         if (this->IncludeFileInPath) {
           return tryPath;
-        } else {
-          return *p;
         }
+        return *p;
       }
     }
   }
diff --git a/Source/cmFindProgramCommand.cxx b/Source/cmFindProgramCommand.cxx
index 8d142c9..2cdda4c 100644
--- a/Source/cmFindProgramCommand.cxx
+++ b/Source/cmFindProgramCommand.cxx
@@ -140,9 +140,8 @@ std::string cmFindProgramCommand::FindNormalProgram()
 {
   if (this->NamesPerDir) {
     return this->FindNormalProgramNamesPerDir();
-  } else {
-    return this->FindNormalProgramDirsPerName();
   }
+  return this->FindNormalProgramDirsPerName();
 }
 
 std::string cmFindProgramCommand::FindNormalProgramNamesPerDir()
diff --git a/Source/cmForEachCommand.cxx b/Source/cmForEachCommand.cxx
index dadd080..4dbbd2c 100644
--- a/Source/cmForEachCommand.cxx
+++ b/Source/cmForEachCommand.cxx
@@ -81,10 +81,9 @@ bool cmForEachFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff,
       // restore the variable to its prior value
       mf.AddDefinition(this->Args[0], oldDef.c_str());
       return true;
-    } else {
-      // close out a nested foreach
-      this->Depth--;
     }
+    // close out a nested foreach
+    this->Depth--;
   }
 
   // record the command
diff --git a/Source/cmFunctionCommand.cxx b/Source/cmFunctionCommand.cxx
index bda96aa..8aa1b77 100644
--- a/Source/cmFunctionCommand.cxx
+++ b/Source/cmFunctionCommand.cxx
@@ -169,10 +169,9 @@ bool cmFunctionFunctionBlocker::IsFunctionBlocked(
       // remove the function blocker now that the function is defined
       mf.RemoveFunctionBlocker(this, lff);
       return true;
-    } else {
-      // decrement for each nested function that ends
-      this->Depth--;
     }
+    // decrement for each nested function that ends
+    this->Depth--;
   }
 
   // if it wasn't an endfunction and we are not executing then we must be
diff --git a/Source/cmGetPropertyCommand.cxx b/Source/cmGetPropertyCommand.cxx
index 2307e08..3aef9cf 100644
--- a/Source/cmGetPropertyCommand.cxx
+++ b/Source/cmGetPropertyCommand.cxx
@@ -252,19 +252,17 @@ bool cmGetPropertyCommand::HandleTargetMode()
     if (this->PropertyName == "ALIASED_TARGET") {
       if (this->Makefile->IsAlias(this->Name)) {
         return this->StoreResult(target->GetName().c_str());
-      } else {
-        return this->StoreResult(NULL);
       }
+      return this->StoreResult(NULL);
     }
     return this->StoreResult(
       target->GetProperty(this->PropertyName, this->Makefile));
-  } else {
-    std::ostringstream e;
-    e << "could not find TARGET " << this->Name
-      << ".  Perhaps it has not yet been created.";
-    this->SetError(e.str());
-    return false;
   }
+  std::ostringstream e;
+  e << "could not find TARGET " << this->Name
+    << ".  Perhaps it has not yet been created.";
+  this->SetError(e.str());
+  return false;
 }
 
 bool cmGetPropertyCommand::HandleSourceMode()
@@ -277,13 +275,11 @@ bool cmGetPropertyCommand::HandleSourceMode()
   // Get the source file.
   if (cmSourceFile* sf = this->Makefile->GetOrCreateSource(this->Name)) {
     return this->StoreResult(sf->GetPropertyForUser(this->PropertyName));
-  } else {
-    std::ostringstream e;
-    e << "given SOURCE name that could not be found or created: "
-      << this->Name;
-    this->SetError(e.str());
-    return false;
   }
+  std::ostringstream e;
+  e << "given SOURCE name that could not be found or created: " << this->Name;
+  this->SetError(e.str());
+  return false;
 }
 
 bool cmGetPropertyCommand::HandleTestMode()
@@ -347,11 +343,9 @@ bool cmGetPropertyCommand::HandleInstallMode()
     bool isSet = file->GetProperty(this->PropertyName, value);
 
     return this->StoreResult(isSet ? value.c_str() : CM_NULLPTR);
-  } else {
-    std::ostringstream e;
-    e << "given INSTALL name that could not be found or created: "
-      << this->Name;
-    this->SetError(e.str());
-    return false;
   }
+  std::ostringstream e;
+  e << "given INSTALL name that could not be found or created: " << this->Name;
+  this->SetError(e.str());
+  return false;
 }
diff --git a/Source/cmHexFileConverter.cxx b/Source/cmHexFileConverter.cxx
index 34fd626..64ece2d 100644
--- a/Source/cmHexFileConverter.cxx
+++ b/Source/cmHexFileConverter.cxx
@@ -89,7 +89,8 @@ static bool ConvertMotorolaSrecLine(const char* buf, FILE* outFile)
   if ((buf[1] == '5') || (buf[1] == '7') || (buf[1] == '8') ||
       (buf[1] == '9')) {
     return true;
-  } else if (buf[1] == '1') {
+  }
+  if (buf[1] == '1') {
     dataStart = 8;
   } else if (buf[1] == '2') {
     dataStart = 10;
diff --git a/Source/cmIfCommand.cxx b/Source/cmIfCommand.cxx
index dd04136..f0143e7 100644
--- a/Source/cmIfCommand.cxx
+++ b/Source/cmIfCommand.cxx
@@ -190,9 +190,8 @@ bool cmIfCommand::InvokeInitialPass(
       this->Makefile->IssueMessage(cmake::FATAL_ERROR, err);
       cmSystemTools::SetFatalErrorOccured();
       return true;
-    } else {
-      this->Makefile->IssueMessage(status, err);
     }
+    this->Makefile->IssueMessage(status, err);
   }
 
   cmIfFunctionBlocker* f = new cmIfFunctionBlocker();
diff --git a/Source/cmInstallCommand.cxx b/Source/cmInstallCommand.cxx
index e464bce..f55fefb 100644
--- a/Source/cmInstallCommand.cxx
+++ b/Source/cmInstallCommand.cxx
@@ -71,19 +71,26 @@ bool cmInstallCommand::InitialPass(std::vector<std::string> const& args,
   // Switch among the command modes.
   if (args[0] == "SCRIPT") {
     return this->HandleScriptMode(args);
-  } else if (args[0] == "CODE") {
+  }
+  if (args[0] == "CODE") {
     return this->HandleScriptMode(args);
-  } else if (args[0] == "TARGETS") {
+  }
+  if (args[0] == "TARGETS") {
     return this->HandleTargetsMode(args);
-  } else if (args[0] == "FILES") {
+  }
+  if (args[0] == "FILES") {
     return this->HandleFilesMode(args);
-  } else if (args[0] == "PROGRAMS") {
+  }
+  if (args[0] == "PROGRAMS") {
     return this->HandleFilesMode(args);
-  } else if (args[0] == "DIRECTORY") {
+  }
+  if (args[0] == "DIRECTORY") {
     return this->HandleDirectoryMode(args);
-  } else if (args[0] == "EXPORT") {
+  }
+  if (args[0] == "EXPORT") {
     return this->HandleExportMode(args);
-  } else if (args[0] == "EXPORT_ANDROID_MK") {
+  }
+  if (args[0] == "EXPORT_ANDROID_MK") {
     return this->HandleExportAndroidMKMode(args);
   }
 
@@ -340,7 +347,8 @@ bool cmInstallCommand::HandleTargetsMode(std::vector<std::string> const& args)
           << "\" which is not an executable, library, or module.";
         this->SetError(e.str());
         return false;
-      } else if (target->GetType() == cmState::OBJECT_LIBRARY) {
+      }
+      if (target->GetType() == cmState::OBJECT_LIBRARY) {
         std::ostringstream e;
         e << "TARGETS given OBJECT library \"" << (*targetIt)
           << "\" which may not be installed.";
diff --git a/Source/cmInstallFilesCommand.cxx b/Source/cmInstallFilesCommand.cxx
index 64efe61..9d0db02 100644
--- a/Source/cmInstallFilesCommand.cxx
+++ b/Source/cmInstallFilesCommand.cxx
@@ -143,12 +143,12 @@ std::string cmInstallFilesCommand::FindInstallSource(const char* name) const
   if (cmSystemTools::FileExists(tb.c_str())) {
     // The file exists in the binary tree.  Use it.
     return tb;
-  } else if (cmSystemTools::FileExists(ts.c_str())) {
+  }
+  if (cmSystemTools::FileExists(ts.c_str())) {
     // The file exists in the source tree.  Use it.
     return ts;
-  } else {
-    // The file doesn't exist.  Assume it will be present in the
-    // binary tree when the install occurs.
-    return tb;
   }
+  // The file doesn't exist.  Assume it will be present in the
+  // binary tree when the install occurs.
+  return tb;
 }
diff --git a/Source/cmInstallProgramsCommand.cxx b/Source/cmInstallProgramsCommand.cxx
index 2e5fc1f..93e7f6c 100644
--- a/Source/cmInstallProgramsCommand.cxx
+++ b/Source/cmInstallProgramsCommand.cxx
@@ -113,12 +113,12 @@ std::string cmInstallProgramsCommand::FindInstallSource(const char* name) const
   if (cmSystemTools::FileExists(tb.c_str())) {
     // The file exists in the binary tree.  Use it.
     return tb;
-  } else if (cmSystemTools::FileExists(ts.c_str())) {
+  }
+  if (cmSystemTools::FileExists(ts.c_str())) {
     // The file exists in the source tree.  Use it.
     return ts;
-  } else {
-    // The file doesn't exist.  Assume it will be present in the
-    // binary tree when the install occurs.
-    return tb;
   }
+  // The file doesn't exist.  Assume it will be present in the
+  // binary tree when the install occurs.
+  return tb;
 }
diff --git a/Source/cmMacroCommand.cxx b/Source/cmMacroCommand.cxx
index 5231062..033f549 100644
--- a/Source/cmMacroCommand.cxx
+++ b/Source/cmMacroCommand.cxx
@@ -203,10 +203,9 @@ bool cmMacroFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff,
       // remove the function blocker now that the macro is defined
       mf.RemoveFunctionBlocker(this, lff);
       return true;
-    } else {
-      // decrement for each nested macro that ends
-      this->Depth--;
     }
+    // decrement for each nested macro that ends
+    this->Depth--;
   }
 
   // if it wasn't an endmacro and we are not executing then we must be
diff --git a/Source/cmOutputRequiredFilesCommand.cxx b/Source/cmOutputRequiredFilesCommand.cxx
index ef636e7..730ce6d 100644
--- a/Source/cmOutputRequiredFilesCommand.cxx
+++ b/Source/cmOutputRequiredFilesCommand.cxx
@@ -307,10 +307,10 @@ protected:
     // If dependencies are already done, stop now.
     if (info->DependDone) {
       return;
-    } else {
-      // Make sure we don't visit the same file more than once.
-      info->DependDone = true;
     }
+    // Make sure we don't visit the same file more than once.
+    info->DependDone = true;
+
     const char* path = info->FullPath.c_str();
     if (!path) {
       cmSystemTools::Error(
@@ -405,15 +405,14 @@ protected:
     if (result != this->DependInformationMap.end()) {
       // Found an instance, return it.
       return result->second;
-    } else {
-      // Didn't find an instance.  Create a new one and save it.
-      cmDependInformation* info = new cmDependInformation;
-      info->FullPath = fullPath;
-      info->PathOnly = cmSystemTools::GetFilenamePath(fullPath);
-      info->IncludeName = file;
-      this->DependInformationMap[fullPath] = info;
-      return info;
     }
+    // Didn't find an instance.  Create a new one and save it.
+    cmDependInformation* info = new cmDependInformation;
+    info->FullPath = fullPath;
+    info->PathOnly = cmSystemTools::GetFilenamePath(fullPath);
+    info->IncludeName = file;
+    this->DependInformationMap[fullPath] = info;
+    return info;
   }
 
   /**
diff --git a/Source/cmSearchPath.cxx b/Source/cmSearchPath.cxx
index ca3a57f..46498e6 100644
--- a/Source/cmSearchPath.cxx
+++ b/Source/cmSearchPath.cxx
@@ -124,9 +124,8 @@ static std::string cmSearchPathStripBin(std::string const& s)
   // If the path is a PREFIX/bin case then add its parent instead.
   if ((cmHasLiteralSuffix(s, "/bin")) || (cmHasLiteralSuffix(s, "/sbin"))) {
     return cmSystemTools::GetFilenamePath(s);
-  } else {
-    return s;
   }
+  return s;
 }
 
 void cmSearchPath::AddEnvPrefixPath(const std::string& variable, bool stripBin)
diff --git a/Source/cmSetCommand.cxx b/Source/cmSetCommand.cxx
index 6bdb28b..0660b76 100644
--- a/Source/cmSetCommand.cxx
+++ b/Source/cmSetCommand.cxx
@@ -59,7 +59,7 @@ bool cmSetCommand::InitialPass(std::vector<std::string> const& args,
   }
   // SET (VAR PARENT_SCOPE) // Removes the definition of VAR
   // in the parent scope.
-  else if (args.size() == 2 && args[args.size() - 1] == "PARENT_SCOPE") {
+  if (args.size() == 2 && args[args.size() - 1] == "PARENT_SCOPE") {
     this->Makefile->RaiseScope(variable, CM_NULLPTR);
     return true;
   }
diff --git a/Source/cmSetDirectoryPropertiesCommand.cxx b/Source/cmSetDirectoryPropertiesCommand.cxx
index 8584118..03b195a 100644
--- a/Source/cmSetDirectoryPropertiesCommand.cxx
+++ b/Source/cmSetDirectoryPropertiesCommand.cxx
@@ -45,7 +45,8 @@ bool cmSetDirectoryPropertiesCommand::RunCommand(
     if (prop == "VARIABLES") {
       errors = "Variables and cache variables should be set using SET command";
       return false;
-    } else if (prop == "MACROS") {
+    }
+    if (prop == "MACROS") {
       errors = "Commands and macros cannot be set using SET_CMAKE_PROPERTIES";
       return false;
     }
diff --git a/Source/cmStringCommand.cxx b/Source/cmStringCommand.cxx
index addfed4..cfb537f 100644
--- a/Source/cmStringCommand.cxx
+++ b/Source/cmStringCommand.cxx
@@ -34,43 +34,61 @@ bool cmStringCommand::InitialPass(std::vector<std::string> const& args,
   const std::string& subCommand = args[0];
   if (subCommand == "REGEX") {
     return this->HandleRegexCommand(args);
-  } else if (subCommand == "REPLACE") {
+  }
+  if (subCommand == "REPLACE") {
     return this->HandleReplaceCommand(args);
-  } else if (subCommand == "MD5" || subCommand == "SHA1" ||
-             subCommand == "SHA224" || subCommand == "SHA256" ||
-             subCommand == "SHA384" || subCommand == "SHA512") {
+  }
+  if (subCommand == "MD5" || subCommand == "SHA1" || subCommand == "SHA224" ||
+      subCommand == "SHA256" || subCommand == "SHA384" ||
+      subCommand == "SHA512") {
     return this->HandleHashCommand(args);
-  } else if (subCommand == "TOLOWER") {
+  }
+  if (subCommand == "TOLOWER") {
     return this->HandleToUpperLowerCommand(args, false);
-  } else if (subCommand == "TOUPPER") {
+  }
+  if (subCommand == "TOUPPER") {
     return this->HandleToUpperLowerCommand(args, true);
-  } else if (subCommand == "COMPARE") {
+  }
+  if (subCommand == "COMPARE") {
     return this->HandleCompareCommand(args);
-  } else if (subCommand == "ASCII") {
+  }
+  if (subCommand == "ASCII") {
     return this->HandleAsciiCommand(args);
-  } else if (subCommand == "CONFIGURE") {
+  }
+  if (subCommand == "CONFIGURE") {
     return this->HandleConfigureCommand(args);
-  } else if (subCommand == "LENGTH") {
+  }
+  if (subCommand == "LENGTH") {
     return this->HandleLengthCommand(args);
-  } else if (subCommand == "APPEND") {
+  }
+  if (subCommand == "APPEND") {
     return this->HandleAppendCommand(args);
-  } else if (subCommand == "CONCAT") {
+  }
+  if (subCommand == "CONCAT") {
     return this->HandleConcatCommand(args);
-  } else if (subCommand == "SUBSTRING") {
+  }
+  if (subCommand == "SUBSTRING") {
     return this->HandleSubstringCommand(args);
-  } else if (subCommand == "STRIP") {
+  }
+  if (subCommand == "STRIP") {
     return this->HandleStripCommand(args);
-  } else if (subCommand == "RANDOM") {
+  }
+  if (subCommand == "RANDOM") {
     return this->HandleRandomCommand(args);
-  } else if (subCommand == "FIND") {
+  }
+  if (subCommand == "FIND") {
     return this->HandleFindCommand(args);
-  } else if (subCommand == "TIMESTAMP") {
+  }
+  if (subCommand == "TIMESTAMP") {
     return this->HandleTimestampCommand(args);
-  } else if (subCommand == "MAKE_C_IDENTIFIER") {
+  }
+  if (subCommand == "MAKE_C_IDENTIFIER") {
     return this->HandleMakeCIdentifierCommand(args);
-  } else if (subCommand == "GENEX_STRIP") {
+  }
+  if (subCommand == "GENEX_STRIP") {
     return this->HandleGenexStripCommand(args);
-  } else if (subCommand == "UUID") {
+  }
+  if (subCommand == "UUID") {
     return this->HandleUuidCommand(args);
   }
 
@@ -158,7 +176,8 @@ bool cmStringCommand::HandleConfigureCommand(
   if (args.size() < 2) {
     this->SetError("No input string specified.");
     return false;
-  } else if (args.size() < 3) {
+  }
+  if (args.size() < 3) {
     this->SetError("No output variable specified.");
     return false;
   }
@@ -203,14 +222,16 @@ bool cmStringCommand::HandleRegexCommand(std::vector<std::string> const& args)
       return false;
     }
     return this->RegexMatch(args);
-  } else if (mode == "MATCHALL") {
+  }
+  if (mode == "MATCHALL") {
     if (args.size() < 5) {
       this->SetError("sub-command REGEX, mode MATCHALL needs "
                      "at least 5 arguments total to command.");
       return false;
     }
     return this->RegexMatchAll(args);
-  } else if (mode == "REPLACE") {
+  }
+  if (mode == "REPLACE") {
     if (args.size() < 6) {
       this->SetError("sub-command REGEX, mode REPLACE needs "
                      "at least 6 arguments total to command.");
@@ -785,7 +806,8 @@ bool cmStringCommand::HandleTimestampCommand(
   if (args.size() < 2) {
     this->SetError("sub-command TIMESTAMP requires at least one argument.");
     return false;
-  } else if (args.size() > 4) {
+  }
+  if (args.size() > 4) {
     this->SetError("sub-command TIMESTAMP takes at most three arguments.");
     return false;
   }
diff --git a/Source/cmTargetLinkLibrariesCommand.cxx b/Source/cmTargetLinkLibrariesCommand.cxx
index b62e225..950db16 100644
--- a/Source/cmTargetLinkLibrariesCommand.cxx
+++ b/Source/cmTargetLinkLibrariesCommand.cxx
@@ -353,10 +353,9 @@ bool cmTargetLinkLibrariesCommand::HandleLibrary(const std::string& lib,
         "INTERFACE_LINK_LIBRARIES",
         this->Target->GetDebugGeneratorExpressions(lib, llt).c_str());
       return true;
-    } else if (this->CurrentProcessingState !=
-                 ProcessingKeywordPublicInterface &&
-               this->CurrentProcessingState !=
-                 ProcessingPlainPublicInterface) {
+    }
+    if (this->CurrentProcessingState != ProcessingKeywordPublicInterface &&
+        this->CurrentProcessingState != ProcessingPlainPublicInterface) {
       if (this->Target->GetType() == cmState::STATIC_LIBRARY) {
         std::string configLib =
           this->Target->GetDebugGeneratorExpressions(lib, llt);
diff --git a/Source/cmUnsetCommand.cxx b/Source/cmUnsetCommand.cxx
index 5bf137c..874015d 100644
--- a/Source/cmUnsetCommand.cxx
+++ b/Source/cmUnsetCommand.cxx
@@ -36,23 +36,21 @@ bool cmUnsetCommand::InitialPass(std::vector<std::string> const& args,
     return true;
   }
   // unset(VAR)
-  else if (args.size() == 1) {
+  if (args.size() == 1) {
     this->Makefile->RemoveDefinition(variable);
     return true;
   }
   // unset(VAR CACHE)
-  else if ((args.size() == 2) && (args[1] == "CACHE")) {
+  if ((args.size() == 2) && (args[1] == "CACHE")) {
     this->Makefile->RemoveCacheDefinition(variable);
     return true;
   }
   // unset(VAR PARENT_SCOPE)
-  else if ((args.size() == 2) && (args[1] == "PARENT_SCOPE")) {
+  if ((args.size() == 2) && (args[1] == "PARENT_SCOPE")) {
     this->Makefile->RaiseScope(variable, CM_NULLPTR);
     return true;
   }
   // ERROR: second argument isn't CACHE or PARENT_SCOPE
-  else {
-    this->SetError("called with an invalid second argument");
-    return false;
-  }
+  this->SetError("called with an invalid second argument");
+  return false;
 }
diff --git a/Source/cmWhileCommand.cxx b/Source/cmWhileCommand.cxx
index ad558fe..98bd3ff 100644
--- a/Source/cmWhileCommand.cxx
+++ b/Source/cmWhileCommand.cxx
@@ -104,10 +104,9 @@ bool cmWhileFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff,
                                            messageType);
       }
       return true;
-    } else {
-      // decrement for each nested while that ends
-      this->Depth--;
     }
+    // decrement for each nested while that ends
+    this->Depth--;
   }
 
   // record the command