Hi, Von: Scott Robison
> On Wed, Jul 23, 2014 at 9:46 PM, J Decker <d3c...@gmail.com> wrote: > > > Seems like adding hex interpreting is just adding code for the sake of > > adding code. > > Unless the data is coming from some pre written text file, isn't just > > just as easy to format an into into decimal as it is for hex without > > having to add extra characters for the prefix? > > > > One desirable aspect of code is that it is easily understood, that future > modifications / changes be as easy as possible. It is usually much easier to > see that 0x40000000 is a single bit set in a 32 bit integer vs seeing the > number 1073741824 and wondering exactly what it means. At least it is to me. > > For that reason, I think adding hex constants to the parser is a good idea. > If I were expressing wishes, I'd suggest adding binary constants (with a 0b > prefix) but that's probably pushing luck. :) > > But no octal! At least not using the C syntax. I like being able to prefix a > decimal integer with 0 and not having it change the meaning (which can't be > done in C). Python 3, Rust and others adopted the syntax 0o123 for octal literals. The IEC 61131 languages use the syntax base#value, so 16#12ab is a hex number, and 8#123 is an octal number. Best regards Markus Schaber CODESYS(r) a trademark of 3S-Smart Software Solutions GmbH Inspiring Automation Solutions 3S-Smart Software Solutions GmbH Dipl.-Inf. Markus Schaber | Product Development Core Technology Memminger Str. 151 | 87439 Kempten | Germany Tel. +49-831-54031-979 | Fax +49-831-54031-50 E-Mail: m.scha...@codesys.com | Web: http://www.codesys.com | CODESYS store: http://store.codesys.com CODESYS forum: http://forum.codesys.com Managing Directors: Dipl.Inf. Dieter Hess, Dipl.Inf. Manfred Werner | Trade register: Kempten HRB 6186 | Tax ID No.: DE 167014915 This e-mail may contain confidential and/or privileged information. If you are not the intended recipient (or have received this e-mail in error) please notify the sender immediately and destroy this e-mail. Any unauthorised copying, disclosure or distribution of the material in this e-mail is strictly forbidden. _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
