#ifndef _HI_STRING_HPP
#define _HI_STRING_HPP

#include "object/hiObject.hpp"

class StringKlass : public Klass {
private:
 StringKlass();
 static StringKlass* instance;

public:
 static StringKlass* get_instance();
 void initialize();

 virtual HiObject* equal (HiObject* x, HiObject* y);

 virtual void print(HiObject* obj);
 virtual HiObject* add (HiObject* x, HiObject* y);
 virtual HiObject* less (HiObject* x, HiObject* y);
 virtual HiObject* subscr (HiObject* x, HiObject* y);
 virtual HiObject* len (HiObject* x);

 virtual HiObject* allocate_instance(HiObject* callable, 
 ArrayList<HiObject*>* args);

 virtual void oops_do(OopClosure* closure, HiObject* obj);
 virtual size_t size();
};

class HiString : public HiObject {
friend class StringKlass;
private:
 char* _value;
 int _length;

public:
 HiString(const char * x);
 HiString(const char * x, const int length);
 HiString(const int len);

 const char* value() { return _value; }
 char** value_address() { return &_value; }
 int length() { return _length; }
 void set(int i, char x) { _value[i] = x; }

 HiString* join(HiObject* iterable);
};

HiObject* string_upper(ObjList args);
HiObject* string_join(ObjList args);

#endif