#if !defined(_SYMBOL_TABLE_H_)
#define _SYMBOL_TABLE_H_

#include "figure_descriptor.h"
#include "list.h"

/* NEW FIGURES DEFINED IN .pic FILES
 * MUST BE STORED IN A SYMBOL TABLE
 * SO WHEN THEY ARE CALLED THE DEFINITION
 * CAN BE FOUND,
 * A SYMBOL TABLE IS BASICALLY A LIST OF 
 * FIGURE DEFINITIONS
 */
class symbol_table {
   private:
      list<figure_descriptor*> descriptors;

      symbol_table(const symbol_table&);
      symbol_table& operator=(const symbol_table&);

   public:
      symbol_table();
      ~symbol_table();
      void add_descriptor(figure_descriptor*);
      figure_descriptor* find_descriptor(const char*);
      list_iterator<figure_descriptor*> first_descriptor(); 
};

#endif