cmState::Snapshot: Store components for current directories.

Remove this responsibility from cmLocalGenerator.

Source/cmLocalGenerator.cxx

@@ -67,7 +67,6 @@ cmLocalGenerator::cmLocalGenerator(cmGlobalGenerator* gg,
   this->Configured = false;
   this->EmitUniversalBinaryFlags = true;
   this->RelativePathsConfigured = false;
-  this->PathConversionsSetup = false;
   this->BackwardsCompatibility = 0;
   this->BackwardsCompatibilityFinal = false;
 }
@@ -196,22 +195,6 @@ void cmLocalGenerator::ReadInputFile()
   this->Makefile->ProcessBuildsystemFile(currentStart.c_str());
 }
 
-void cmLocalGenerator::SetupPathConversions()
-{
-  // Setup the current output directory components for use by
-  // Convert
-  std::string outdir;
-
-  outdir = cmSystemTools::CollapseFullPath(
-      this->StateSnapshot.GetCurrentSourceDirectory());
-  cmSystemTools::SplitPath(outdir, this->StartDirectoryComponents);
-
-  outdir = cmSystemTools::CollapseFullPath
-    (this->StateSnapshot.GetCurrentBinaryDirectory());
-  cmSystemTools::SplitPath(outdir,
-                           this->StartOutputDirectoryComponents);
-}
-
 void cmLocalGenerator::ConfigureFinalPass()
 {
   this->Makefile->ConfigureFinalPass();
@@ -2698,13 +2681,6 @@ std::string cmLocalGenerator::Convert(const std::string& source,
                                       OutputFormat output,
                                       bool optional)
 {
-  // Make sure the relative path conversion components are set.
-  if(!this->PathConversionsSetup)
-    {
-    this->SetupPathConversions();
-    this->PathConversionsSetup = true;
-    }
-
   // Convert the path to a relative path.
   std::string result = source;
 
@@ -2719,20 +2695,18 @@ std::string cmLocalGenerator::Convert(const std::string& source,
         break;
       case START:
         //result = cmSystemTools::CollapseFullPath(result.c_str());
-        result = this->ConvertToRelativePath(this->StartDirectoryComponents,
-                                             result);
+        result = this->ConvertToRelativePath(
+            this->StateSnapshot.GetCurrentSourceDirectoryComponents(), result);
         break;
       case HOME_OUTPUT:
         //result = cmSystemTools::CollapseFullPath(result.c_str());
-        result =
-          this->ConvertToRelativePath(
-              this->GetState()->GetBinaryDirectoryComponents(), result);
+        result = this->ConvertToRelativePath(
+            this->GetState()->GetBinaryDirectoryComponents(), result);
         break;
       case START_OUTPUT:
         //result = cmSystemTools::CollapseFullPath(result.c_str());
-        result =
-          this->ConvertToRelativePath(this->StartOutputDirectoryComponents,
-                                      result);
+        result = this->ConvertToRelativePath(
+            this->StateSnapshot.GetCurrentBinaryDirectoryComponents(), result);
         break;
       case FULL:
         result = cmSystemTools::CollapseFullPath(result);

Source/cmLocalGenerator.h

@@ -443,7 +443,6 @@ protected:
   void ConfigureRelativePaths();
   std::string FindRelativePathTopSource();
   std::string FindRelativePathTopBinary();
-  void SetupPathConversions();
 
   virtual std::string ConvertToLinkReference(std::string const& lib,
                                              OutputFormat format = SHELL);
@@ -458,8 +457,6 @@ protected:
   cmMakefile *Makefile;
   cmState::Snapshot StateSnapshot;
   cmGlobalGenerator *GlobalGenerator;
-  std::vector<std::string> StartDirectoryComponents;
-  std::vector<std::string> StartOutputDirectoryComponents;
   cmLocalGenerator* Parent;
   std::vector<cmLocalGenerator*> Children;
   std::map<std::string, std::string> UniqueObjectNamesMap;
@@ -484,7 +481,6 @@ protected:
   std::string RelativePathTopSource;
   std::string RelativePathTopBinary;
   bool RelativePathsConfigured;
-  bool PathConversionsSetup;
 
   cmIML_INT_uint64_t BackwardsCompatibility;
   bool BackwardsCompatibilityFinal;

Source/cmState.cxx

@@ -197,6 +197,8 @@ void cmState::Initialize()
   this->Locations.clear();
   this->OutputLocations.clear();
   this->ParentPositions.clear();
+  this->CurrentSourceDirectoryComponents.clear();
+  this->CurrentBinaryDirectoryComponents.clear();
 
   this->CreateSnapshot(Snapshot());
   this->DefineProperty
@@ -500,6 +502,10 @@ cmState::Snapshot cmState::CreateSnapshot(Snapshot originSnapshot)
   this->ParentPositions.push_back(originSnapshot.Position);
   this->Locations.resize(this->Locations.size() + 1);
   this->OutputLocations.resize(this->OutputLocations.size() + 1);
+  this->CurrentSourceDirectoryComponents.resize(
+      this->CurrentSourceDirectoryComponents.size() + 1);
+  this->CurrentBinaryDirectoryComponents.resize(
+      this->CurrentBinaryDirectoryComponents.size() + 1);
   return cmState::Snapshot(this, pos);
 }
 
@@ -523,6 +529,10 @@ void cmState::Snapshot::SetCurrentSourceDirectory(std::string const& dir)
       this->State->Locations[this->Position]);
   this->State->Locations[this->Position] =
     cmSystemTools::CollapseFullPath(this->State->Locations[this->Position]);
+
+  cmSystemTools::SplitPath(
+      this->State->Locations[this->Position],
+      this->State->CurrentSourceDirectoryComponents[this->Position]);
 }
 
 const char* cmState::Snapshot::GetCurrentBinaryDirectory() const
@@ -539,6 +549,22 @@ void cmState::Snapshot::SetCurrentBinaryDirectory(std::string const& dir)
   this->State->OutputLocations[this->Position] =
     cmSystemTools::CollapseFullPath(
         this->State->OutputLocations[this->Position]);
+
+  cmSystemTools::SplitPath(
+      this->State->OutputLocations[this->Position],
+      this->State->CurrentBinaryDirectoryComponents[this->Position]);
+}
+
+std::vector<std::string> const&
+cmState::Snapshot::GetCurrentSourceDirectoryComponents()
+{
+  return this->State->CurrentSourceDirectoryComponents[this->Position];
+}
+
+std::vector<std::string> const&
+cmState::Snapshot::GetCurrentBinaryDirectoryComponents()
+{
+  return this->State->CurrentBinaryDirectoryComponents[this->Position];
 }
 
 bool cmState::Snapshot::IsValid() const

Source/cmState.h

@@ -36,6 +36,9 @@ public:
     const char* GetCurrentBinaryDirectory() const;
     void SetCurrentBinaryDirectory(std::string const& dir);
 
+    std::vector<std::string> const& GetCurrentSourceDirectoryComponents();
+    std::vector<std::string> const& GetCurrentBinaryDirectoryComponents();
+
     bool IsValid() const;
     Snapshot GetParent() const;
 
@@ -136,6 +139,9 @@ private:
   std::vector<std::string> OutputLocations;
   std::vector<PositionType> ParentPositions;
 
+  std::vector<std::vector<std::string> > CurrentSourceDirectoryComponents;
+  std::vector<std::vector<std::string> > CurrentBinaryDirectoryComponents;
+
   std::vector<std::string> SourceDirectoryComponents;
   std::vector<std::string> BinaryDirectoryComponents;
   std::string SourceDirectory;