[fpc-devel] Re: [fpc-pascal] Re: Ideas for namespace implementation

[Marcos Douglas]

On Mon, Jul 26, 2010 at 1:23 PM, Sven Barth <pascaldragon at googlemail.com> wrote:
> On 26.07.2010 18:13, Marcos Douglas wrote:
>>
>> On Mon, Jul 26, 2010 at 12:18 PM, Martin<fpc at mfriebe.de>  wrote:
>>>
>>> [snip]
>>> In fact if the existing
>>> uses Foo in 'dir';
>>>
>>> could be extended to allow a package or similar
>>> uses Foo in 'LCL'
>>>
>>> and an alias directive would be introduced, then it was all solved too
>>>
>>> uses Foo in 'lcl' alias 'FooLCL', Foo in 'RTL' alias 'FooRTL'
>>
>> I talked about it here:
>> http://lists.freepascal.org/lists/fpc-devel/2010-July/020699.html
>> http://lists.freepascal.org/lists/fpc-devel/2010-July/020791.html
>> http://lists.freepascal.org/lists/fpc-devel/2010-July/020856.html
>> http://lists.freepascal.org/lists/fpc-devel/2010-July/020934.html
>
> Not exactly. Yours is a bit different:
>
> uses
>  Foo in 'whereever/the/lcl/dir/is' as FooLCL,
>  Foo in 'whereever/the/rtl/dir/is' as FooRTL;
>
> The idea of Martin's concept is to define "aliases" for the search paths as
> well so that you can change them by configuration or command line. So you
> wouldn't need to check whether your path to the e.g. the LCL is the same as
> on Martin's computer or mine.
>
> Whether we use "as" or "alias" and a string or an identifier for the unit
> alias is not that an important topic.

Okay, but Martin's gave us an example: uses Buttons in 'LCL'
...and if I have a buttons.pas too?

Will be like that?
uses
   buttons in 'LCL', buttons {my buttons};

The classes/functions/etc will be depends what unit was declared for last?


MD