/// <summary>
/// Lexes and parses the specified string.
/// </summary>
/// <param name="input">The <see cref="StringBuilder"/> to parse.</param>
/// <param name="output">The parsed token stream.</param>
/// <param name="options">A set of <see cref="TextParserOptions"/> values that specify how the text should be parsed.</param>
public void Parse(StringBuilder input, TextParserTokenStream output, TextParserOptions options = TextParserOptions.None)
{
Contract.Require(input, nameof(input));
Contract.Require(output, nameof(output));
output.Clear();
Parse(new StringBuilderSource(input), output, 0, input.Length, options);
}
