Eliminate use of boost::shared_ptr

include/chaiscript/dispatchkit/bootstrap.hpp

@@ -151,7 +151,7 @@ namespace chaiscript
     std::shared_ptr<typename boost::remove_const<Type>::type> 
         shared_ptr_unconst_clone(const std::shared_ptr<typename boost::add_const<Type>::type> &p)
     {
-      return boost::const_pointer_cast<typename boost::remove_const<Type>::type>(p);
+      return std::const_pointer_cast<typename boost::remove_const<Type>::type>(p);
     }
 
 
@@ -286,7 +286,7 @@ namespace chaiscript
         std::shared_ptr<const dispatch::Dynamic_Proxy_Function> pf = std::dynamic_pointer_cast<const dispatch::Dynamic_Proxy_Function>(t_pf);
         if (pf)
         {
-          return pf->get_guard();
+          return bool(pf->get_guard());
         } else {
           return false;
         }

include/chaiscript/dispatchkit/boxed_cast_helper.hpp

@@ -156,7 +156,7 @@ namespace chaiscript
         {
           if (!ob.get_type_info().is_const())
           {
-            return boost::const_pointer_cast<const Result>(boost::any_cast<std::shared_ptr<Result> >(ob.get()));
+            return std::const_pointer_cast<const Result>(boost::any_cast<std::shared_ptr<Result> >(ob.get()));
           } else {
             return boost::any_cast<std::shared_ptr<const Result> >(ob.get());
           }

include/chaiscript/dispatchkit/boxed_value.hpp

@@ -323,7 +323,7 @@ namespace chaiscript
     template<typename T>
       Boxed_Value const_var_impl(const std::shared_ptr<T> &t)
       {
-        return Boxed_Value( boost::const_pointer_cast<typename boost::add_const<T>::type>(t) );
+        return Boxed_Value( std::const_pointer_cast<typename boost::add_const<T>::type>(t) );
       }
 
     /// \brief Takes a boost::reference_wrapper value, adds const to the referenced type and returns an immutable Boxed_Value.

include/chaiscript/language/chaiscript_common.hpp

@@ -102,7 +102,7 @@ namespace chaiscript
 
  
   /// \brief Struct that doubles as both a parser ast_node and an AST node.
-  struct AST_Node : boost::enable_shared_from_this<AST_Node> {
+  struct AST_Node : std::enable_shared_from_this<AST_Node> {
     public:
       const std::string text;
       const int identifier;

src/reflection.cpp

@@ -18,7 +18,7 @@ bool has_parse_tree(const chaiscript::Const_Proxy_Function &t_pf)
     = std::dynamic_pointer_cast<const chaiscript::dispatch::Dynamic_Proxy_Function>(t_pf);
   if (pf)
   {
-    return pf->get_parse_tree();
+    return bool(pf->get_parse_tree());
   } else {
     return false;
   }