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/*-
 * SPDX-License-Identifier: BSD-2-Clause
 *
 * Copyright (c) 2021 Aleksandr Morozov, RELKOM s.r.o
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *    - Redistributions of source code must retain the above copyright
 *      notice, this list of conditions and the following disclaimer.
 *    - Redistributions in binary form must reproduce the above
 *      copyright notice, this list of conditions and the following
 *      disclaimer in the documentation and/or other materials provided
 *      with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 */

use std::fmt;

pub struct PfError 
{
    message: String,
}

impl PfError
{
    pub fn new(msg: String) -> Self
    {
        return PfError{message: msg};
    }

    pub fn new_empty() -> Self
    {
        return PfError{message: String::new()};
    }
}

impl fmt::Display for PfError 
{
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result 
    {
        write!(f, "{}", self.message)
    }
}
impl fmt::Debug for PfError 
{
    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result 
    {
        write!(f, "{}", self.message)
    }
}


pub type PfResult<T> = Result<T, PfError>;


#[macro_export]
macro_rules! empty_runtime_error 
{
    () => (
        return 
            std::result::Result::Err(
                ComError::RuntimeErr(
                    MainRuntimeError::new_empty()))
    )
}

#[macro_export]
macro_rules! runtime_error 
{
    ($($arg:tt)*) => (
        return std::result::Result::Err(PfError::new(format!($($arg)*)))
    )
}

#[macro_export]
macro_rules! map_runtime_error 
{
    ($($arg:tt)*) => (
        return PfError::new(format!($($arg)*))
    )
}

#[macro_export]
macro_rules! com_runtime_error 
{
    ($($arg:tt)*) => (
        PfError::new(format!($($arg)*))
    )
}