private void btn_lexical_Click(object sender, EventArgs e) { txt_result.Text = ""; string input = txt_code.Text; input = input.Replace("\t", ""); string tokensText = ""; lexicalAnalyzer = new Lexical(input); string[] types = lexicalAnalyzer.getTypes(); string[] lexemes = lexicalAnalyzer.getLexemes(); List <Error> errors = lexicalAnalyzer.errorReporter(); for (int i = 0; i < types.Length; i++) { tokensText += lexemes[i] + "\t: " + types[i] + "\n"; } string errorsText = ""; for (int i = 0; i < errors.Count; i++) { errorsText += (i + 1).ToString() + " : error in " + errors[i].analayzer + "\t" + "'" + errors[i].word + "'" + " " + errors[i].description + "\n\n"; } txt_tokens.Text = tokensText; txt_result.Text = errorsText; if (lexicalAnalyzer.errorReporter().Count == 0 && input.Length > 1) { txt_result.Text += ">> no lexical error :) \n>> "; } else { txt_result.Text += ">> "; } }