blahlog.h

#ifndef BLAHLOG
#define BLAHLOG
#include <queue>
#include <stack>
#include <iostream>


class Msg{
	std::string message;
	int line;
	std::stack<Msg> trace;
	public:
	short lvl;
	Msg(int line,std::string message,int lvl):line(line),message(message),lvl(lvl){}
	Msg(int line,std::string message,int lvl,std::stack<Msg> trace):line(line),message(message),lvl(lvl),trace(trace){}
	void print(std::ostream&) const;
	bool operator<(const Msg m) const{
		return line>m.line;
	}

};

class Log{
	std::priority_queue<Msg> messages;
	public:
	void add(Msg m);
	void print(std::ostream& os);
};

#endif