CanonSharp/CanonSharp.Pascal/Scanner/LexicalToken.cs

namespace CanonSharp.Pascal.Scanner;

public enum LexicalTokenType
{
    Keyword,
    ConstInteger,
    ConstFloat,
    Operator,
    Delimiter,
    Identifier,
    Character,
    String
}

public sealed class LexicalToken(LexicalTokenType type, string literalValue) : IEquatable<LexicalToken>
{
    public LexicalTokenType TokenType { get; } = type;

    public string LiteralValue { get; } = literalValue;

    public bool Equals(LexicalToken? other) =>
        other is not null && TokenType == other.TokenType && LiteralValue == other.LiteralValue;

    public override bool Equals(object? obj) => obj is LexicalToken other && Equals(other);

    public override int GetHashCode() => TokenType.GetHashCode() ^ LiteralValue.GetHashCode();

    public override string ToString() => $"<{TokenType}>'{LiteralValue}'";
}