Fixed -tok, spacings in -st, and validation tests

src/runner.c

@@ -111,6 +111,13 @@ int run(FILE *alpha) {
     yyin = alpha;
     yyparse();
 
+    if (tok_flag != NULL) {
+        while (0 != (token = yylex())) {
+            // Don't delete me 🥺
+        }
+        fclose(tok_flag);
+    }
+
     if (st_flag != NULL) {
         print_symbol_table(top, st_flag);
         fclose(st_flag);
@@ -136,8 +143,6 @@ int run(FILE *alpha) {
         fclose(cg_flag);
     }
 
-    //yyparse();
-
     if (yyin != NULL) {
         fclose(yyin);
     }