Eradicate global base_class registrations to prevent problems with threading and general memory management issues with knowing how and when to clean them up.

include/chaiscript/language/chaiscript_engine.hpp

@@ -334,6 +334,13 @@ namespace chaiscript
       m_engine.add(fun(&chaiscript::detail::Dispatch_Engine::get_function_objects, boost::ref(m_engine)), "get_functions");
       m_engine.add(fun(&chaiscript::detail::Dispatch_Engine::get_scripting_objects, boost::ref(m_engine)), "get_objects");
 
+
+      m_engine.add(Proxy_Function(new dispatch::Dynamic_Proxy_Function(boost::bind(&chaiscript::detail::Dispatch_Engine::call_exists, boost::ref(m_engine), _1))), 
+          "call_exists");
+      m_engine.add(fun<Boxed_Value (const dispatch::Proxy_Function_Base *, const std::vector<Boxed_Value> &)>(boost::bind(&chaiscript::dispatch::Proxy_Function_Base::operator(), _1, _2, boost::ref(m_engine.conversions()))), "call");
+
+
+
       m_engine.add(fun(&chaiscript::detail::Dispatch_Engine::get_type_name, boost::ref(m_engine)), "name");
 
 
@@ -665,7 +672,7 @@ namespace chaiscript
         return do_eval(t_script);
       } catch (Boxed_Value &bv) {
         if (t_handler) {
-          t_handler->handle(bv);
+          t_handler->handle(bv, m_engine);
         }
         throw bv;
       }
@@ -688,15 +695,23 @@ namespace chaiscript
     T eval(const std::string &t_input, const Exception_Handler &t_handler = Exception_Handler(), const std::string &t_filename="__EVAL__")
     {
       try {
-        return boxed_cast<T>(do_eval(t_input, t_filename));
+        return m_engine.boxed_cast<T>(do_eval(t_input, t_filename));
       } catch (Boxed_Value &bv) {
         if (t_handler) {
-          t_handler->handle(bv);
+          t_handler->handle(bv, m_engine);
         }
         throw bv;
       }
     }
 
+    /// \brief casts an object while applying any Dynamic_Conversion available
+    template<typename Type>
+      typename detail::Cast_Helper<Type>::Result_Type boxed_cast(const Boxed_Value &bv) const
+      {
+        return m_engine.boxed_cast<Type>(bv);
+      }
+ 
+
     /// \brief Evaluates a string.
     ///
     /// \param[in] t_input Script to execute
@@ -713,7 +728,7 @@ namespace chaiscript
         return do_eval(t_input, t_filename);
       } catch (Boxed_Value &bv) {
         if (t_handler) {
-          t_handler->handle(bv);
+          t_handler->handle(bv, m_engine);
         }
         throw bv;
       }
@@ -729,7 +744,7 @@ namespace chaiscript
         return do_eval(load_file(t_filename), t_filename);
       } catch (Boxed_Value &bv) {
         if (t_handler) {
-          t_handler->handle(bv);
+          t_handler->handle(bv, m_engine);
         }
         throw bv;
       }
@@ -746,10 +761,10 @@ namespace chaiscript
     template<typename T>
     T eval_file(const std::string &t_filename, const Exception_Handler &t_handler = Exception_Handler()) {
       try {
-        return boxed_cast<T>(do_eval(load_file(t_filename), t_filename));
+        return m_engine.boxed_cast<T>(do_eval(load_file(t_filename), t_filename));
       } catch (Boxed_Value &bv) {
         if (t_handler) {
-          t_handler->handle(bv);
+          t_handler->handle(bv, m_engine);
         }
         throw bv;
       }

include/chaiscript/language/chaiscript_eval.hpp

@@ -225,7 +225,7 @@ namespace chaiscript
 
           try {
             chaiscript::eval::detail::Stack_Push_Pop spp(t_ss);
-            const Boxed_Value &retval = (*boxed_cast<const Const_Proxy_Function &>(fn))(plb);
+            const Boxed_Value &retval = (*t_ss.boxed_cast<const Const_Proxy_Function &>(fn))(plb, t_ss.conversions());
             return retval;
           }
           catch(const exception::dispatch_error &e){
@@ -233,7 +233,7 @@ namespace chaiscript
           }
           catch(const exception::bad_boxed_cast &){
             try {
-              Const_Proxy_Function f = boxed_cast<const Const_Proxy_Function &>(fn);
+              Const_Proxy_Function f = t_ss.boxed_cast<const Const_Proxy_Function &>(fn);
               // handle the case where there is only 1 function to try to call and dispatch fails on it
               std::vector<Const_Proxy_Function> funcs;
               funcs.push_back(f);
@@ -293,11 +293,11 @@ namespace chaiscript
           try {
             bv = this->children[0]->eval(t_ss);
             try {
-              fn = boxed_cast<const Const_Proxy_Function &>(bv);
+              fn = t_ss.boxed_cast<const Const_Proxy_Function &>(bv);
             } catch (const exception::bad_boxed_cast &) {
               throw exception::eval_error("'" + this->children[0]->pretty_print() + "' does not evaluate to a function.");
             }
-            return (*fn)(plb);
+            return (*fn)(plb, t_ss.conversions());
           }
           catch(const exception::dispatch_error &e){
             throw exception::eval_error(std::string(e.what()) + " with function '" + this->children[0]->text + "'", e.parameters, e.functions, false, t_ss);
@@ -1026,7 +1026,7 @@ namespace chaiscript
             std::map<std::string, Boxed_Value> retval;
             for (size_t i = 0; i < this->children[0]->children.size(); ++i) {
               Boxed_Value bv = t_ss.call_function("clone", this->children[0]->children[i]->children[1]->eval(t_ss));
-              retval[boxed_cast<std::string>(this->children[0]->children[i]->children[0]->eval(t_ss))] 
+              retval[t_ss.boxed_cast<std::string>(this->children[0]->children[i]->children[0]->eval(t_ss))] 
                 = bv;
             }
             return const_var(retval);