#ifndef TRACEBACK_OBJECT_HPP
#define TRACEBACK_OBJECT_HPP

#include "object/hiObject.hpp"

class HiList;
class HiString;
class FrameObject;

class StackElementKlass : public Klass {
private:
 StackElementKlass() {}
 static StackElementKlass* _instance;

public:
 static StackElementKlass* get_instance();

 virtual void print(HiObject* x);
 virtual size_t size();
 virtual void oops_do(OopClosure* f, HiObject* obj);
};

class StackElement : public HiObject {
friend StackElementKlass;
private:
 HiString* _file_name;
 HiString* _func_name;
 int _line_no;

public:
 StackElement(HiString* fname, HiString* mname, int lineno);
};

class TracebackKlass : public Klass {
private:
 TracebackKlass() {}
 static TracebackKlass* _instance;

public:
 static TracebackKlass* get_instance();

 virtual void print(HiObject* x);
 virtual size_t size();
 virtual void oops_do(OopClosure* f, HiObject* obj);
};

class Traceback : public HiObject {
friend class TracebackKlass;
private:
 HiList* _stack_elements;

public:
 Traceback();

 void record_frame(FrameObject* frame);
};

#endif