[~] small correction and added comments

1 files changed, 3 insertions, 5 deletions

diff --git a/calculator-javacc/Calculator.jj b/calculator-javacc/Calculator.jj
index 770bf4c..89a5802 100644
--- a/calculator-javacc/Calculator.jj
+++ b/calculator-javacc/Calculator.jj
@@ -21,16 +21,14 @@ public class Calculator {
                 String em = e.getMessage().substring(index);

                 String token = em.substring(1,4);

 

-                if (token.equals("ILL")){

+                if (token.equals("ILL")){ // Illegal token

                     em = em.substring(7);

                     index = em.indexOf("\"")-1;

                     if (index == 0){ // Special case in which the illegal token would be '"'

                         index = 2;

                     }

                     System.out.println("Illegal token: '"+ em.substring(0 , index) +"'.");

-                }else if(token.equals("EOL")){

-                    System.out.println("Last read token: '<EOL>', w"+em.substring(em.indexOf("\nW")+2));

-                }else if(em.split("\n").length > 1){

+                }else if(em.split("\n").length > 1){ //Other generated error messages

                     index = em.indexOf("\"");

                     if (index == 0){ // Meaning the last token is not <TOK> but "char"

                         em = em.substring(1);

@@ -39,7 +37,7 @@ public class Calculator {
                         index--;

                     }

                     System.out.println("Last read token: '"+ em.substring(0 , index)+"', w"+em.substring(em.indexOf("\nW")+2));

-                }else{ //Those were error messages created by ourselves, they are one line messages

+                }else{ //Those were error messages created by ourselves, they are one line messages that we can directly print

                     System.out.println(e.getMessage());

                 }