adding ramsey_model to ParsingDriver

ParsingDriver.cc

@@ -214,7 +214,7 @@ ParsingDriver::declare_optimal_policy_discount_factor_parameter(expr_t exprnode)
   string *optimalParName_declare = new string("optimal_policy_discount_factor");
   string *optimalParName_init = new string("optimal_policy_discount_factor");
   if (mod_file->symbol_table.exists(*optimalParName_declare))
-    error("Symbol optimal_policy_discount_factor is needed by Dynare when using an ramsey_policy or a discretionary_policy statement");
+    error("Symbol optimal_policy_discount_factor is needed by Dynare when using a ramsey_model, a ramsey_policy or a discretionary_policy statement");
   declare_parameter(optimalParName_declare, NULL);
   init_param(optimalParName_init, exprnode);
 }
@@ -1775,6 +1775,16 @@ ParsingDriver::end_planner_objective(expr_t expr)
   reset_data_tree();
 }
 
+void
+ParsingDriver::ramsey_model()
+{
+  if (!mod_file->symbol_table.exists("optimal_policy_discount_factor"))
+    declare_optimal_policy_discount_factor_parameter(data_tree->One);
+  mod_file->addStatement(new RamseyModelStatement(symbol_list, options_list));
+  symbol_list.clear();
+  options_list.clear();
+}
+
 void
 ParsingDriver::ramsey_policy()
 {

ParsingDriver.hh

@@ -493,6 +493,8 @@ public:
   void begin_planner_objective();
   //! End a planner objective statement
   void end_planner_objective(expr_t expr);
+  //! Ramsey model statement
+  void ramsey_model();
   //! Ramsey policy statement
   void ramsey_policy();
   //! Discretionary policy statement