X-Git-Url: http://git.salome-platform.org/gitweb/?a=blobdiff_plain;f=src%2FParametersPlugin%2FParametersPlugin_Parameter.h;h=c348d0f733d257d7bb1820e2a167b668cd769249;hb=9ac4a898909782c5b6df52fcee4270247db31e45;hp=db6c54c515a77955022ff06eb31c2448a653c394;hpb=564df60468b225bbce2f1cc055299b47c3be9355;p=modules%2Fshaper.git

diff --git a/src/ParametersPlugin/ParametersPlugin_Parameter.h b/src/ParametersPlugin/ParametersPlugin_Parameter.h
index db6c54c51..c348d0f73 100644
--- a/src/ParametersPlugin/ParametersPlugin_Parameter.h
+++ b/src/ParametersPlugin/ParametersPlugin_Parameter.h
@@ -10,6 +10,8 @@
 #include "ParametersPlugin.h"
 #include <ModelAPI_Feature.h>
 
+#include <memory>
+
 class ParametersPlugin_PyInterp;
 
 class ParametersPlugin_Parameter : public ModelAPI_Feature
@@ -38,6 +40,13 @@ class ParametersPlugin_Parameter : public ModelAPI_Feature
     return MY_EXPRESSION_ID;
   }
 
+  /// list of references to the arguments of this expression
+  inline static const std::string& ARGUMENTS_ID()
+  {
+    static const std::string MY_VARIABLE_ID("arguments");
+    return MY_VARIABLE_ID;
+  }
+
   /// Returns the kind of a feature
   PARAMETERSPLUGIN_EXPORT virtual const std::string& getKind()
   {
@@ -45,6 +54,9 @@ class ParametersPlugin_Parameter : public ModelAPI_Feature
     return MY_KIND;
   }
 
+  /// Pre-execution is not needed for parameter
+  PARAMETERSPLUGIN_EXPORT virtual bool isPreviewNeeded() const;
+
   /// Creates a new part document if needed
   PARAMETERSPLUGIN_EXPORT virtual void execute();
 
@@ -62,7 +74,7 @@ class ParametersPlugin_Parameter : public ModelAPI_Feature
   double evaluate(const std::string& theExpression, std::string& theError);
 
  private:
-  ParametersPlugin_PyInterp* myInterp;
+  std::shared_ptr<ParametersPlugin_PyInterp> myInterp;
 };
 
 #endif