//
// Created by Kosho on 2020年10月12日.
//

#ifndef PYTHONVM_TRACEBACK_HPP
#define PYTHONVM_TRACEBACK_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 //PYTHONVM_TRACEBACK_HPP