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Diffstat (limited to 'doc/script_commands.txt')
| -rw-r--r-- | doc/script_commands.txt | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/doc/script_commands.txt b/doc/script_commands.txt index a597dfaa2..707aab9d6 100644 --- a/doc/script_commands.txt +++ b/doc/script_commands.txt @@ -434,17 +434,39 @@ marked as usable in pet scripts to work in there reliably. Numbers ------- +The Hercules scripting engine supports 4 types of number literals: + +type base syntax +---------------------------------------------- +decimal 10 255 +hexadecimal 16 0xFF +octal 8 0o377 +binary 2 0b11111111 + Beside the common decimal numbers, which are nothing special whatsoever (though do not expect to use fractions, since ALL numbers are integer in this language), the script engine also handles hexadecimal numbers, which are otherwise identical. Writing a number like '0x<hex digits>' will make it recognized as a hexadecimal value. Notice that 0x10 is equal to 16. -Also notice that if you try to 'mes 0x10' it will print '16'. +Also notice that if you try to 'mes 0x10' it will print '16'. If you wish +to make calculations in base 8, you can also use the octal notation like +'0o<octal digits>'. To make calculations in base 2 (binary), you can use +the binary notation like '0b<binary digits>'. + +The following are all equivalent: + 255 == 0xFF == 0o377 == 0b11111111 Number values can't exceed the limits of an integer variable: Any number greater than INT_MAX (2147483647) or smaller than INT_MIN (-2147483648) will be capped to those values and will cause a warning to be reported. +Underscores can also be used as visual separators for digit grouping purposes: + 2_147_483_647 + 0x7FFF_FFFF + +Keep in mind that number literals cannot start or end with a separator and no +more than one separator can be used in a row (so 12_3___456 is illegal). + Variables --------- |