text: #ifndef RBX_HELPERS_HPP
  #define RBX_HELPERS_HPP
  
  namespace rubinius {
    struct CallFrame;
    class Module;
    class Class;
    class Symbol;
    class CompiledMethod;
    class State;
    class Object;
    class GlobalCacheEntry;
    class Tuple;
  
    namespace Helpers {
      Object* const_get_under(State*, Module* under, Symbol* name, bool* found, Object* filter = NULL);
      Object* const_get(State*, CallFrame* call_frame, Symbol* name, bool* found, Object* filter = NULL);
      Object* const_missing_under(State*, Module* under, Symbol* sym, CallFrame* call_frame);
      Object* const_missing(State*, Symbol* sym, CallFrame* call_frame);
      void const_set(State*, CallFrame* call_frame, Symbol* name, Object* val);
      void const_set(State*, Module* mod, Symbol* name, Object* val);
  
      /** Locate method just as if sending. */
      Tuple*    locate_method_on(State*, CallFrame* call_frame, Object* recv, Symbol* name, Object* priv);
  
      Class*    open_class(State*, GCToken gct, CallFrame* call_frame, Object* super, Symbol* name, bool* created);
      Class*    open_class(State*, GCToken gct, CallFrame* call_frame, Module* under, Object* super, Symbol* name, bool* created);
      Module*   open_module(State*, GCToken gct, CallFrame* call_frame, Symbol* name);
      Module*   open_module(State*, GCToken gct, CallFrame* call_frame, Module* under, Symbol* name);
  
      bool yield_debugger(State*, GCToken gct, CallFrame* call_frame, Object* bp);
    };
  }
  
  #endif
  