| Alex Dowad | 0650a05 | 2015-10-02 13:32:32 +0200 | [diff] [blame] | 1 | function hex2int(str, i) { |
| 2 | str = tolower(str) |
| 3 | |
| 4 | for (i = 1; i <= 16; i++) { |
| 5 | char = substr("0123456789abcdef", i, 1) |
| 6 | lookup[char] = i-1 |
| 7 | } |
| 8 | |
| 9 | result = 0 |
| 10 | for (i = 1; i <= length(str); i++) { |
| 11 | result = result * 16 |
| 12 | char = substr(str, i, 1) |
| 13 | result = result + lookup[char] |
| 14 | } |
| 15 | return result |
| 16 | } |
| 17 | |
| 18 | function parse_const(str) { |
| 19 | sign = sub(/^-/, "", str) |
| 20 | hex = sub(/^0x/, "", str) |
| 21 | if (hex) |
| 22 | n = hex2int(str) |
| 23 | else |
| 24 | n = str+0 |
| 25 | return sign ? -n : n |
| 26 | } |