//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="Token"
// Project: StgSharp
// AuthorGroup: Nitload Space
// Copyright (c) Nitload Space. All rights reserved.
//     
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//     
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;

namespace StgSharp.Script
{
    public readonly struct Token
    {

        private static Token EmptyToken = new Token();

        public readonly int Column;
        public readonly int Line;
        public readonly string Value;
        public readonly TokenFlag Flag;

        public Token(string chars, int lineNumber, int columnNumber, TokenFlag flag)
        {
            Value = chars;
            Line = lineNumber;
            Column = columnNumber;
            Flag = flag;
        }

        public static Token Empty => EmptyToken;

        [MethodImpl(MethodImplOptions.AggressiveInlining)]
        public Token ReLocate(int line, int column)
        {
            return new Token(Value, line, column, Flag);
        }

    }

    public enum TokenFlag : int
    {

        None = 0,
        Symbol_Unary = 1,
        Symbol_Binary = 2,
        Number = 3,
        String = 4,
        Member = 5,
        Separator_Middle = 6,
        Separator_Left = 7,
        Separator_Right = 8,
        Index_Left = 9,
        Index_Right = 10,
        Enum = 11

    }
}