exception.hpp

#ifndef MPQC_UTILITY_EXCEPTION_HPP
#define MPQC_UTILITY_EXCEPTION_HPP
 
#include <stdio.h>
#include <stdarg.h>
 
#include <string>
#include <exception>
#include <iostream>
#include <sstream>
 
#include "mpqc/utility/string.hpp"
 
namespace mpqc {
    
 
    struct Exception : std::exception {
        explicit Exception(const std::string &msg = "")
            : what_(msg) {}
        explicit Exception(char const *file, long line, const char *fmt = NULL, ...) {
            what_ = what_ + file + ":" + string_cast(line);
            if (fmt) {
                char buffer[1024] = { };
                va_list args;
                va_start(args, fmt);
                vsnprintf(buffer, 1024-1, fmt, args);
                va_end(args);
                what_ = what_ + ": " + buffer;
            }
        }
        ~Exception() noexcept {}
        const char* what() const noexcept {
            return what_.c_str();
        }
    private:
        std::string what_;
    };
 
 
}
 
#define MPQC_EXCEPTION(...) mpqc::Exception(__FILE__, __LINE__, __VA_ARGS__)
 
#endif /* MPQC_UTILITY_EXCEPTION_HPP */