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// Simulator for the RISC-V[ECTOR] mini-ISA
// Copyright (C) 2025 Siddarth Suresh
// Copyright (C) 2025 bdunahu
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <https://www.gnu.org/licenses/>.
#include "logger.h"
#include <ctime>
#include <fstream>
#include <iostream>
#include <sstream>
using namespace std;
LogLevel Logger::level = INFO;
Logger *Logger::logger_instance;
void Logger::setLevel(LogLevel level) { this->level = level; }
void Logger::log(LogLevel level, const string &message)
{
if (level_to_int(level) > level_to_int(this->level)) {
return;
}
time_t now = time(0);
tm *timeinfo = localtime(&now);
char timestamp[20];
strftime(timestamp, sizeof(timestamp), "%Y-%m-%d %H:%M:%S", timeinfo);
ostringstream logEntry;
logEntry << "[" << timestamp << "] " << level_to_string(level) << ": "
<< message << endl;
cout << logEntry.str();
}
Logger *Logger::getInstance()
{
if (logger_instance == nullptr) {
logger_instance = new Logger();
}
return logger_instance;
}
string Logger::level_to_string(LogLevel level)
{
switch (level) {
case DEBUG:
return "DEBUG";
case INFO:
return "INFO";
case WARNING:
return "WARNING";
case ERROR:
return "ERROR";
case CRITICAL:
return "CRITICAL";
default:
return "UNKNOWN";
}
}
int Logger::level_to_int(LogLevel level)
{
switch (level) {
case DEBUG:
return 5;
case INFO:
return 4;
case WARNING:
return 3;
case ERROR:
return 2;
default:
return 1;
}
}
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