[fpc-devel] Add {$I %DATETIME%}

[Denis Kozlov]

Can someone apply the patch for adding %DATETIME%, if there are no
objections?

Denis


On 15 January 2016 at 21:23, Denis Kozlov wrote:

> I'm proposing addition of {$I %DATETIME%} directive. A trivial patch is
> attached.
>
> The following will be possible:
> const
>   T = {$I %DATETIME%};
> begin
>   WriteLn(DateTimeToStr(T));
> end.
>
> Benefits of this directive:
> 1) Access to build date/time in native TDateTime format. Existing {$I
> %DATE%} and {$I %TIME%} are inserted as strings in predefined format,
> parsing is required to extract date/time components or to reformat it.
> 2) Atomic access to build date/time. Use of {$I %DATE%} and {$I %TIME%}
> can have undesired effect if {$I %DATE%} is executed at 2016-01-15
> 23:59:59.999 and 1 ms later {$I %TIME%} is executed at 2016-01-16
> 00:00:00.000. Resulting combination of two directive is 2016-01-15
> 00:00:00, a day out of date.
> 3) Search and replace of build date/time is no longer a trivial text
> editor operation.
>
> The following ticket can then be resolved:
> http://bugs.freepascal.org/view.php?id=26472
>
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