#pragma once

#include <string>
#include <stdio.h>
#include <execinfo.h>
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include <iostream>

#define BT_BUF_SIZE 100

using namespace std;

namespace TraceUtils {
    struct StackTraceElement {
        public:
            StackTraceElement(int elementIndex, void *offset,string file,string symbol);

            int elementIndex;

            void *offset;
            string file;

            string symbol;


            string getFunctionName();
            string getSourceFile();
            int getSourceLine();

        private:
            int symbolLoadState = 0;

            string fnName;
            string srcFile;
            int srcLine;

            void loadSymbols();
    };

    struct StackTrace {
        public:
            explicit StackTrace(int size);
            ~StackTrace();

            const StackTraceElement** elements;
            const int stackSize;

            void printStackTrace();

            void printStackTrace(std::function<void(StackTraceElement*)> format);
    };

    extern StackTrace backTrace(int size);
};