private BnfToken Make(int length, BnfTokenType type)
{
var value = this.source.Substring(this.index, length);
var token = new BnfToken(this.index, value, type);
this.index += length;
return(token);
}
/// <summary>
/// Initializes a new instance of the <see cref="BnfToken"/> class.
/// </summary>
/// <param name="index">The start index of the token in the source text.</param>
/// <param name="value">The text value of the token.</param>
/// <param name="type">The <see cref="BnfTokenType"/> of the token.</param>
public BnfToken(int index, string value, BnfTokenType type)
{
this.Index = index;
this.Value = value;
this.Type = type;
}
