/*
 *  error number for finsh shell.
 *
 * COPYRIGHT (C) 2013, Shanghai Real-Thread Technology Co., Ltd
 *
 *  This file is part of RT-Thread (http://www.rt-thread.org)
 *  Maintainer: bernard.xiong <bernard.xiong at gmail.com>
 *
 *  All rights reserved.
 *
 *  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 2 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Change Logs:
 * Date           Author       Notes
 * 2010-03-22     Bernard      first version
 */
#include "finsh_error.h"

uint8_t global_errno;

static const char * finsh_error_string_table[] =
{
    "No error",
    "Invalid token",
    "Expect a type",
    "Unknown type",
    "Variable exist",
    "Expect a operater",
    "Memory full",
    "Unknown operator",
    "Unknown node",
    "Expect a character",
    "Unexpect end",
    "Unknown token",
    "Float not supported",
    "Unknown symbol",
    "Null node"
};

int finsh_error_init()
{
    global_errno = FINSH_ERROR_OK;

    return 0;
}

int finsh_error_set(uint8_t type)
{
    global_errno = type;

    return 0;
}

uint8_t finsh_errno()
{
    return global_errno;
}

const char* finsh_error_string(uint8_t type)
{
    return finsh_error_string_table[type];
}