diff --git a/crlcore/src/ccore/AllianceFramework.cpp b/crlcore/src/ccore/AllianceFramework.cpp
index b3bca90a..548bade6 100644
--- a/crlcore/src/ccore/AllianceFramework.cpp
+++ b/crlcore/src/ccore/AllianceFramework.cpp
@@ -1,10 +1,34 @@
 
 // -*- C++ -*-
+//
+// This file is part of the Coriolis Software.
+// Copyright (c) UPMC/LIP6 2008-2010, All Rights Reserved
+//
+// ===================================================================
+//
+// $Id$
+//
+// x-----------------------------------------------------------------x 
+// |                                                                 |
+// |                   C O R I O L I S                               |
+// |          Alliance / Hurricane  Interface                        |
+// |                                                                 |
+// |  Author      :                    Jean-Paul CHAPUT              |
+// |  E-mail      :       Jean-Paul.Chaput@asim.lip6.fr              |
+// | =============================================================== |
+// |  C++ Module  :       "./AllianceFramework.cpp"                  |
+// | *************************************************************** |
+// |  U p d a t e s                                                  |
+// |                                                                 |
+// x-----------------------------------------------------------------x
+
 
 #include  "hurricane/Warning.h"
 #include  "hurricane/Technology.h"
 #include  "hurricane/DataBase.h"
 #include  "hurricane/Library.h"
+#include  "hurricane/Cell.h"
+#include  "hurricane/Instance.h"
 #include  "hurricane/viewer/Graphics.h"
 
 #include  "crlcore/Utilities.h"
@@ -23,6 +47,8 @@ namespace CRL {
   using Hurricane::Warning;
   using Hurricane::tab;
   using Hurricane::Graphics;
+  using Hurricane::ForEachIterator;
+  using Hurricane::Instance;
 
 
   AllianceFramework* AllianceFramework::_singleton         = NULL;
@@ -495,4 +521,27 @@ namespace CRL {
   }
 
 
+  size_t  AllianceFramework::getInstancesCount ( Cell* cell, unsigned int flags )
+  {
+    size_t gates = 0;
+
+    forEach ( Instance*, iinstance,  cell->getInstances() ) {
+      CatalogProperty *catalogProperty = static_cast<CatalogProperty*>
+        ((*iinstance)->getMasterCell()->getProperty ( CatalogProperty::getPropertyName()) );
+
+      if ( catalogProperty != NULL ) {
+        Catalog::State* state = catalogProperty->getState ();
+        if ( (flags and IgnoreFeeds) and state->isFeed() ) continue;
+      }
+      ++gates;
+
+      if ( flags & Recursive ) {
+        gates += getInstancesCount ( iinstance->getMasterCell(), flags );
+      }
+    }
+
+    return gates;
+  }
+
+
 } // End of CRL namespace.
diff --git a/crlcore/src/ccore/crlcore/AllianceFramework.h b/crlcore/src/ccore/crlcore/AllianceFramework.h
index 89e927bc..7457be1e 100644
--- a/crlcore/src/ccore/crlcore/AllianceFramework.h
+++ b/crlcore/src/ccore/crlcore/AllianceFramework.h
@@ -2,7 +2,7 @@
 // -*- C++ -*-
 //
 // This file is part of the Coriolis Software.
-// Copyright (c) UPMC/LIP6 2008-2009, All Rights Reserved
+// Copyright (c) UPMC/LIP6 2008-2010, All Rights Reserved
 //
 // ===================================================================
 //
@@ -43,7 +43,8 @@ namespace CRL {
 
 
   class AllianceFramework {
-
+    public:
+      enum InstancesCountFlags { Recursive=0x1, IgnoreFeeds=0x2 };
     public:
     // Constructors.
       static AllianceFramework* create                   ();
@@ -86,6 +87,7 @@ namespace CRL {
              void               saveCell                 ( Cell* cell , unsigned int mode );
              unsigned int       loadLibraryCells         ( Library* library );
              unsigned int       loadLibraryCells         ( const Name& name );
+      static size_t             getInstancesCount        ( Cell* cell, unsigned int flags );
 
     // Internals - Attributes.
     protected:
diff --git a/crlcore/src/ccore/crlcore/Measures.h b/crlcore/src/ccore/crlcore/Measures.h
index 54ced7e6..bb052b23 100644
--- a/crlcore/src/ccore/crlcore/Measures.h
+++ b/crlcore/src/ccore/crlcore/Measures.h
@@ -61,7 +61,6 @@ namespace CRL {
   };
 
 
-                     BaseMeasure::~BaseMeasure () {}
   inline             BaseMeasure::BaseMeasure  ( const Name& name ) : _name(name) {}
   inline const Name& BaseMeasure::getName      () const { return _name; }
 
diff --git a/crlcore/src/ccore/properties/Measures.cpp b/crlcore/src/ccore/properties/Measures.cpp
index d4d469ff..97d05ed2 100644
--- a/crlcore/src/ccore/properties/Measures.cpp
+++ b/crlcore/src/ccore/properties/Measures.cpp
@@ -42,6 +42,13 @@ namespace CRL {
   using Hurricane::Error;
   using Hurricane::ForEachIterator;
 
+  
+// -------------------------------------------------------------------
+// Class  :  "CRL::MeasuresSet".
+
+
+  BaseMeasure::~BaseMeasure () {}
+
 
   const char* MissingMeasures = "Measures::%s(): %s missing the Measures extension.";