functionObjects: Separated 'execute' and 'write' functions to simplify support for post-processing

src/postProcessing/functionObjects/utilities/codedFunctionObject/codedFunctionObject.H

@@ -171,9 +171,15 @@ public:
         //- Dynamically compiled functionObject
         functionObject& redirectFunctionObject() const;
 
-        //- Called at each ++ or += of the time-loop. forceWrite overrides the
-        //  writeControl behaviour.
-        virtual bool execute(const bool forceWrite);
+        //- Called at each ++ or += of the time-loop.
+        //  postProcess overrides the usual executeControl behaviour and
+        //  forces execution (used in post-processing mode)
+        virtual bool execute(const bool postProcess = false);
+
+        //- Called at each ++ or += of the time-loop.
+        //  postProcess overrides the usual writeControl behaviour and
+        //  forces writing always (used in post-processing mode)
+        virtual bool write(const bool postProcess = false);
 
         //- Called when Time::run() determines that the time-loop exits.
         //  By default it simply calls execute().