Lexer constructor

Lexer(String text, { String? filename, int currentLine = 1, int index = 0, int? endOfFile, })

Implementation

Lexer(String text,
    {this.filename, this.currentLine = 1, this.index = 0, this.endOfFile}) {
  input = text.codeUnits;
  endOfFile ??= input.length;
}