struct association {
symbol s;
void *v;
association() : v(0) {}
};
class dictionary;
class dictionary_iterator {
dictionary *dict;
int i;
public:
dictionary_iterator(dictionary &);
int get(symbol *, void **);
};
class dictionary {
int size;
int used;
double threshold;
double factor;
association *table;
void rehash(int);
public:
dictionary(int);
void *lookup(symbol s, void *v=0); void *lookup(const char *);
void *remove(symbol);
friend class dictionary_iterator;
};
class object {
int rcount;
public:
object();
virtual ~object();
void add_reference();
void remove_reference();
};
class object_dictionary;
class object_dictionary_iterator {
dictionary_iterator di;
public:
object_dictionary_iterator(object_dictionary &);
int get(symbol *, object **);
};
class object_dictionary {
dictionary d;
public:
object_dictionary(int);
object *lookup(symbol nm);
void define(symbol nm, object *obj);
void rename(symbol oldnm, symbol newnm);
void remove(symbol nm);
int alias(symbol newnm, symbol oldnm);
friend class object_dictionary_iterator;
};
inline int object_dictionary_iterator::get(symbol *sp, object **op)
{
return di.get(sp, (void **)op);
}