+
+bool
+token_is_integer (const struct token *t)
+{
+ return (token_is_number (t)
+ && t->number > LONG_MIN
+ && t->number <= LONG_MAX
+ && floor (t->number) == t->number);
+}
+
+long
+token_integer (const struct token *t)
+{
+ assert (token_is_integer (t));
+ return t->number;
+}