/// <summary>
/// Initializes a new instance of the <see cref="LexicalAnalyzer"/> class with the specified file.
/// </summary>
/// <param name="filePath">The absolute path of the file to be analyzed.</param>
public LexicalAnalyzer(string filePath)
{
_filePath = filePath;
_currentPosition.Column = 1;
_currentPosition.Line = 1;
_currentPosition.Index = -1;
_reader = new CharReader(filePath, Encoding.UTF8);
_reader.CharRead += OnCharRead;
_tokenCollection = new TokenCollection();
}