| 770 | static const uint unsigned_longlong_len=20; |
| 771 | |
| 772 | static inline uint int_token(const char *str,uint length) |
| 773 | { |
| 774 | if (length < long_len) // quick normal case |
| 775 | return NUM; |
| 776 | bool neg=0; |
| 777 | |
| 778 | if (*str == '+') // Remove sign and pre-zeros |
| 779 | { |
| 780 | str++; length--; |
| 781 | } |
| 782 | else if (*str == '-') |
| 783 | { |
| 784 | str++; length--; |
| 785 | neg=1; |
| 786 | } |
| 787 | while (*str == '0' && length) |
| 788 | { |
| 789 | str++; length --; |
| 790 | } |
| 791 | if (length < long_len) |
| 792 | return NUM; |
| 793 | |
| 794 | uint smaller,bigger; |
| 795 | const char *cmp; |
| 796 | if (neg) |
| 797 | { |
| 798 | if (length == long_len) |
| 799 | { |
| 800 | cmp= signed_long_str+1; |
| 801 | smaller=NUM; // If <= signed_long_str |
| 802 | bigger=LONG_NUM; // If >= signed_long_str |
| 803 | } |
| 804 | else if (length < signed_longlong_len) |
| 805 | return LONG_NUM; |
| 806 | else if (length > signed_longlong_len) |
| 807 | return DECIMAL_NUM; |
| 808 | else |
| 809 | { |
| 810 | cmp=signed_longlong_str+1; |
| 811 | smaller=LONG_NUM; // If <= signed_longlong_str |
| 812 | bigger=DECIMAL_NUM; |
| 813 | } |
| 814 | } |
| 815 | else |
| 816 | { |
| 817 | if (length == long_len) |
| 818 | { |
| 819 | cmp= long_str; |
| 820 | smaller=NUM; |
| 821 | bigger=LONG_NUM; |
| 822 | } |
| 823 | else if (length < longlong_len) |
| 824 | return LONG_NUM; |
| 825 | else if (length > longlong_len) |
| 826 | { |
| 827 | if (length > unsigned_longlong_len) |
| 828 | return DECIMAL_NUM; |
| 829 | cmp=unsigned_longlong_str; |