Merge topic 'minor-cleanups'

f5b0a0fb cmMakefile: Don't pop the directory listfile off the stack.
e40fcb59 cmMakefile: Simplify convert condition.
4fdad392 cmake: Remove redundant forward declaration.
df9635f3 cmake: Remove redundant condition.
ad167479 foreach: Remove unused variables.
aaeec642 cmGlobalGenerator: De-virtualize methods with no overrides.
444bc349 Ninja: Remove some bogus comments.

Source/cmForEachCommand.cxx

@@ -44,8 +44,6 @@ IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf,
       std::vector<std::string>::const_iterator j = this->Args.begin();
       ++j;
 
-      std::string tmps;
-      cmListFileArgument arg;
       for( ; j != this->Args.end(); ++j)
         {
         // set the variable to the loop value

Source/cmGlobalGenerator.h

@@ -121,7 +121,7 @@ public:
    * Try running cmake and building a file. This is used for dynamically
    * loaded commands, not as part of the usual build process.
    */
-  virtual int TryCompile(const std::string& srcdir, const std::string& bindir,
+  int TryCompile(const std::string& srcdir, const std::string& bindir,
                          const std::string& projectName,
                          const std::string& targetName,
                          bool fast, std::string& output, cmMakefile* mf);
@@ -371,7 +371,7 @@ protected:
   typedef std::vector<cmLocalGenerator*> GeneratorVector;
   // for a project collect all its targets by following depend
   // information, and also collect all the targets
-  virtual void GetTargetSets(TargetDependSet& projectTargets,
+  void GetTargetSets(TargetDependSet& projectTargets,
                              TargetDependSet& originalTargets,
                              cmLocalGenerator* root, GeneratorVector const&);
   bool IsRootOnlyTarget(cmTarget* target) const;
@@ -446,7 +446,7 @@ protected:
   TargetMap ImportedTargets;
   std::vector<cmGeneratorExpressionEvaluationFile*> EvaluationFiles;
 
-  virtual const char* GetPredefinedTargetsFolder();
+  const char* GetPredefinedTargetsFolder();
   virtual bool UseFolderProperty();
 
 private:

Source/cmLocalNinjaGenerator.h

@@ -31,28 +31,19 @@ class cmake;
 class cmLocalNinjaGenerator : public cmLocalGenerator
 {
 public:
-  /// Default constructor.
   cmLocalNinjaGenerator(cmGlobalGenerator* gg, cmLocalGenerator* parent);
 
-  /// Destructor.
   virtual ~cmLocalNinjaGenerator();
 
-  /// Overloaded methods. @see cmLocalGenerator::Generate()
   virtual void Generate();
 
-  /// Overloaded methods. @see cmLocalGenerator::Configure()
   virtual void Configure();
 
-  /// Overloaded methods. @see cmLocalGenerator::GetTargetDirectory()
   virtual std::string GetTargetDirectory(cmTarget const& target) const;
 
   const cmGlobalNinjaGenerator* GetGlobalNinjaGenerator() const;
   cmGlobalNinjaGenerator* GetGlobalNinjaGenerator();
 
-  /**
-   * Shortcut to get the cmake instance throw the global generator.
-   * @return an instance of the cmake object.
-   */
   const cmake* GetCMakeInstance() const;
   cmake* GetCMakeInstance();
 

Source/cmMakefile.cxx

@@ -260,20 +260,11 @@ void cmMakefile::IssueMessage(cmake::MessageType t,
   else
     {
     cmListFileContext lfc;
-    if(this->ListFileStack.empty())
-      {
-      // We are not processing the project.  Add the directory-level context.
-      lfc.FilePath = this->GetCurrentSourceDirectory();
-      lfc.FilePath += "/CMakeLists.txt";
-      }
-    else
-      {
-      // We are processing the project but are not currently executing a
-      // command.  Add whatever context information we have.
-      lfc.FilePath = this->ListFileStack.back();
-      }
-    if(!this->CallStack.empty()
-       || !this->GetCMakeInstance()->GetIsInTryCompile())
+    // We are not currently executing a command.  Add whatever context
+    // information we have.
+    lfc.FilePath = this->ListFileStack.back();
+
+    if(!this->GetCMakeInstance()->GetIsInTryCompile())
       {
       lfc.FilePath = this->LocalGenerator->Convert(lfc.FilePath,
                                                    cmLocalGenerator::HOME);
@@ -536,12 +527,16 @@ bool cmMakefile::ReadDependentFile(const char* listfile, bool noPolicyScope)
 {
   this->AddDefinition("CMAKE_PARENT_LIST_FILE",
                       this->GetDefinition("CMAKE_CURRENT_LIST_FILE"));
-  return this->ReadListFile(listfile, noPolicyScope, false);
+  bool result = this->ReadListFile(listfile, noPolicyScope, false);
+  this->ListFileStack.pop_back();
+  return result;
 }
 
 bool cmMakefile::ReadListFile(const char* listfile)
 {
-  return this->ReadListFile(listfile, true, false);
+  bool result = this->ReadListFile(listfile, true, false);
+  this->ListFileStack.pop_back();
+  return result;
 }
 
 bool cmMakefile::ReadListFile(const char* listfile,
@@ -578,8 +573,6 @@ bool cmMakefile::ReadListFile(const char* listfile,
   this->MarkVariableAsUsed("CMAKE_CURRENT_LIST_FILE");
   this->MarkVariableAsUsed("CMAKE_CURRENT_LIST_DIR");
 
-  this->ListFileStack.pop_back();
-
   if (res)
     {
     this->CheckForUnusedVariables();

Source/cmake.cxx

@@ -1620,11 +1620,6 @@ int cmake::Run(const std::vector<std::string>& args, bool noconfigure)
   std::string message = "Build files have been written to: ";
   message += this->GetHomeOutputDirectory();
   this->UpdateProgress(message.c_str(), -1);
-  if(ret)
-    {
-    return ret;
-    }
-
   return ret;
 }
 

Source/cmake.h

@@ -30,7 +30,6 @@ class cmDocumentationSection;
 class cmPolicies;
 class cmTarget;
 class cmGeneratedFileStream;
-class cmState;
 
 /** \brief Represents a cmake invocation.
  *