esp-protocols/components/esp_modem/include/cxx_include/esp_modem_exception.hpp

/*
 * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD
 *
 * SPDX-License-Identifier: Apache-2.0
 */

#pragma once

#include <string>
#include "esp_err.h"
#include "esp_log.h"

#ifndef __FILENAME__
#define __FILENAME__    __FILE__
#endif
#define ESP_MODEM_THROW_IF_FALSE(...) esp_modem::throw_if_false(__FILENAME__, __LINE__, __VA_ARGS__)
#define ESP_MODEM_THROW_IF_ERROR(...) esp_modem::throw_if_error(__FILENAME__, __LINE__, __VA_ARGS__)

namespace esp_modem {

#ifdef CONFIG_COMPILER_CXX_EXCEPTIONS
#define ESP_MODEM_THROW(exception) throw(exception)

class esp_err_exception: virtual public std::exception {
public:
    explicit esp_err_exception(std::string msg): esp_err(ESP_FAIL), message(std::move(msg)) {}
    explicit esp_err_exception(std::string msg, esp_err_t err): esp_err(err), message(std::move(msg)) {}
    virtual esp_err_t get_err_t()
    {
        return esp_err;
    }
    ~esp_err_exception() noexcept override = default;
    [[nodiscard]] const char *what() const noexcept override
    {
        return message.c_str();
    }
private:
    esp_err_t esp_err;
    std::string message;
};

#else
#define ESP_MODEM_THROW(exception) do { exception; abort(); } while(0)

class esp_err_exception {
    void print(std::string msg)
    {
        ESP_LOGE("ESP_MODEM_THROW", "%s\n", msg.c_str());
    }
public:
    explicit esp_err_exception(std::string msg)
    {
        print(std::move(msg));
    }
    explicit esp_err_exception(std::string msg, esp_err_t err)
    {
        print(std::move(msg));
    }
};

#endif

static inline std::string make_message(const std::string &filename, int line, const std::string &message = "ERROR")
{
    std::string text = filename + ":" + std::to_string(line) + " " + message;
    return text;
}

static inline void throw_if_false(const std::string &filename, int line, bool condition, const std::string &message)
{
    if (!condition) {
        ESP_MODEM_THROW(esp_err_exception(make_message(filename, line, message)));
    }
}

static inline void throw_if_error(const std::string &filename, int line, esp_err_t err, const std::string &message)
{
    if (err != ESP_OK) {
        ESP_MODEM_THROW(esp_err_exception(make_message(filename, line, message), err));
    }
}

static inline void throw_if_error(const std::string &filename, int line, esp_err_t err)
{
    if (err != ESP_OK) {
        ESP_MODEM_THROW(esp_err_exception(make_message(filename, line), err));
    }
}

} // namespace esp_modem