Limited comment length to 10 characters

.gitignore

@@ -3,4 +3,3 @@ out/
 *.zip
 prg/**/*.ast
 prg/**/*.out
-prg/**/*.pins25

prg/test.pins25

@@ -0,0 +1,2 @@
+//1234567890
+//12345678901

src/pins25/phase/LexAn.java

@@ -246,8 +246,14 @@ public class LexAn implements AutoCloseable {
                     buffToken = new Token(start, Token.Symbol.DIV, "/");
                     return;
                 }
+                nextChar();
 
+                int length = 0;
                 while (buffChar != '\n' && buffChar != -1) {
+                    length++;
+                    if (length > 10) {
+                        throw new Report.Error(currentLocation(), "Comments can only be 10 characters long");
+                    }
                     nextChar();
                 }