Merge topic 'refactor-computation'

616f0311 cmGlobalGenerator: Move path computation to Compute.
9eea0486 cmGlobalGenerator: Do more computation at compute time.
2eca0559 cmGlobalGenerator: De-virtualize Compute().
21f428f4 VisualStudio: Replace Compute override with AddExtraIDETargets override.
a9588e90 VisualStudio10: Initialize the LongestSource at generate time.
4407eee0 cmGlobalGenerator: Call AddExtraIDETargets as a hook of Compute().
a09c545d Xcode: Extract a AddExtraIDETargets method.

Source/cmGlobalGenerator.cxx

@@ -1282,12 +1282,7 @@ bool cmGlobalGenerator::Compute()
       }
     }
 
-  return true;
-}
-
-void cmGlobalGenerator::Generate()
-{
-  unsigned int i;
+  this->AddExtraIDETargets();
 
   // Trace the dependencies, after that no custom commands should be added
   // because their dependencies might not be handled correctly
@@ -1307,22 +1302,27 @@ void cmGlobalGenerator::Generate()
   // Compute the inter-target dependencies.
   if(!this->ComputeTargetDepends())
     {
-    return;
+    return false;
     }
 
-  // Create a map from local generator to the complete set of targets
-  // it builds by default.
-  this->InitializeProgressMarks();
-
-  this->ProcessEvaluationFiles();
-
   for (i = 0; i < this->LocalGenerators.size(); ++i)
     {
     this->LocalGenerators[i]->ComputeHomeRelativeOutputPath();
     }
 
+  return true;
+}
+
+void cmGlobalGenerator::Generate()
+{
+  // Create a map from local generator to the complete set of targets
+  // it builds by default.
+  this->InitializeProgressMarks();
+
+  this->ProcessEvaluationFiles();
+
   // Generate project files
-  for (i = 0; i < this->LocalGenerators.size(); ++i)
+  for (unsigned int i = 0; i < this->LocalGenerators.size(); ++i)
     {
     this->SetCurrentMakefile(this->LocalGenerators[i]->GetMakefile());
     this->LocalGenerators[i]->Generate();

Source/cmGlobalGenerator.h

@@ -83,7 +83,8 @@ public:
    */
   virtual void Configure();
 
-  virtual bool Compute();
+  bool Compute();
+  virtual void AddExtraIDETargets() {}
 
   enum TargetTypes {
     AllTargets,

Source/cmGlobalVisualStudio10Generator.cxx

@@ -325,19 +325,9 @@ cmLocalGenerator* cmGlobalVisualStudio10Generator::CreateLocalGenerator(
   return new cmLocalVisualStudio10Generator(this, mf);
 }
 
-//----------------------------------------------------------------------------
-bool cmGlobalVisualStudio10Generator::Compute()
-{
-  if (!cmGlobalVisualStudio8Generator::Compute())
-    {
-    return false;
-    }
-  this->LongestSource = LongestSourcePath();
-  return true;
-}
-
 void cmGlobalVisualStudio10Generator::Generate()
 {
+  this->LongestSource = LongestSourcePath();
   this->cmGlobalVisualStudio8Generator::Generate();
   if(this->LongestSource.Length > 0)
     {

Source/cmGlobalVisualStudio10Generator.h

@@ -45,8 +45,6 @@ public:
     std::vector<std::string> const& makeOptions = std::vector<std::string>()
     );
 
-  virtual bool Compute();
-
   ///! create the correct local generator
   virtual cmLocalGenerator *CreateLocalGenerator(cmMakefile* mf);
 

Source/cmGlobalVisualStudio8Generator.cxx

@@ -348,13 +348,9 @@ bool cmGlobalVisualStudio8Generator::AddCheckTarget()
 }
 
 //----------------------------------------------------------------------------
-bool cmGlobalVisualStudio8Generator::Compute()
+void cmGlobalVisualStudio8Generator::AddExtraIDETargets()
 {
-  if (!cmGlobalVisualStudio7Generator::Compute())
-    {
-    return false;
-    }
-
+  cmGlobalVisualStudio7Generator::AddExtraIDETargets();
   if(this->AddCheckTarget())
     {
     // All targets depend on the build-system check target.
@@ -368,7 +364,6 @@ bool cmGlobalVisualStudio8Generator::Compute()
         }
       }
     }
-  return true;
 }
 
 //----------------------------------------------------------------------------

Source/cmGlobalVisualStudio8Generator.h

@@ -67,7 +67,7 @@ public:
     return !this->WindowsCEVersion.empty(); }
 
 protected:
-  virtual bool Compute();
+  virtual void AddExtraIDETargets();
   virtual const char* GetIDEVersion() { return "8.0"; }
 
   virtual std::string FindDevEnvCommand();

Source/cmGlobalVisualStudioGenerator.cxx

@@ -64,13 +64,8 @@ std::string cmGlobalVisualStudioGenerator::GetRegistryBase(
 }
 
 //----------------------------------------------------------------------------
-bool cmGlobalVisualStudioGenerator::Compute()
+void cmGlobalVisualStudioGenerator::AddExtraIDETargets()
 {
-  if (!cmGlobalGenerator::Compute())
-    {
-    return false;
-    }
-
   // Add a special target that depends on ALL projects for easy build
   // of one configuration only.
   const char* no_working_dir = 0;
@@ -144,7 +139,6 @@ bool cmGlobalVisualStudioGenerator::Compute()
       static_cast<cmLocalVisualStudioGenerator*>(*lgi);
     lg->AddCMakeListsRules();
     }
-  return true;
 }
 
 //----------------------------------------------------------------------------

Source/cmGlobalVisualStudioGenerator.h

@@ -111,7 +111,7 @@ public:
     cmGeneratorTarget*, std::vector<cmCustomCommand>& commands,
     std::string const& configName);
 protected:
-  virtual bool Compute();
+  virtual void AddExtraIDETargets();
 
   // Does this VS version link targets to each other if there are
   // dependencies in the SLN file?  This was done for VS versions

Source/cmGlobalXCodeGenerator.cxx

@@ -376,14 +376,8 @@ cmGlobalXCodeGenerator::CreateLocalGenerator(cmMakefile* mf)
   return new cmLocalXCodeGenerator(this, mf);
 }
 
-//----------------------------------------------------------------------------
-bool cmGlobalXCodeGenerator::Compute()
+void cmGlobalXCodeGenerator::AddExtraIDETargets()
 {
-  if (!cmGlobalGenerator::Compute())
-    {
-      return false;
-    }
-
   std::map<std::string, std::vector<cmLocalGenerator*> >::iterator it;
   // make sure extra targets are added before calling
   // the parent generate which will call trace depends
@@ -394,7 +388,6 @@ bool cmGlobalXCodeGenerator::Compute()
     // add ALL_BUILD, INSTALL, etc
     this->AddExtraTargets(root, it->second);
     }
-  return true;
 }
 
 void cmGlobalXCodeGenerator::Generate()

Source/cmGlobalXCodeGenerator.h

@@ -87,7 +87,7 @@ public:
   virtual bool SetGeneratorToolset(std::string const& ts, cmMakefile* mf);
   void AppendFlag(std::string& flags, std::string const& flag);
 protected:
-  virtual bool Compute();
+  virtual void AddExtraIDETargets();
   virtual void Generate();
 private:
   cmXCodeObject* CreateOrGetPBXGroup(cmTarget& cmtarget,