[fpc-pascal] Re: How to avoid namespace name clashes after USES ?

[Sven Barth]

Am 21.08.2012 15:13, schrieb Jorge Aldo G. de F. Junior:
> I already know that you can fully qualify, i believe you misread my post.
>
> Its not that common to have name colisions if you use prefixes like i said.
>
> I cant see how the added complexity of full name space support would
> help pascal in that regard.
>

I wrote about why the compiler does not and should not warn because of a 
collision in naming of symbols in different units.

Regards,
Sven

> 2012/8/21 Sven Barth <pascaldragon at googlemail.com>:
>> Am 21.08.2012 14:10, schrieb Jorge Aldo G. de F. Junior:
>>
>>> "With no error messages, or even with no changes to the program since 1
>>> and a half year in the repository, the scientific calculations are now
>>> all blown up, and program outputs only errors at runtime. The maintainer
>>> now curses and chases me for having the nerve to leave a program
>>> known as working in such a horrible mess in the repository."
>>>
>>> Never tested, but doesnt the compiler warn of the colision ? if not, it
>>> should.
>>>
>>> Usually i prefix my symbols with some meaningfull prefixes to avoid
>>> collision. I never have two symbols with the same name and i hardly
>>> used unit prefixes in the past.
>>>
>>> But a collision warning from the compiler would be helpfull.
>>
>>
>> Units provide a namespace, so UnitA.Foo is not the same as UnitB.Foo. Thus
>> it is perfectly allowed and valid and sometimes also common to have a
>> collision here. [also the compiler stops looking for further symbols if it
>> has found the first one => one of the reasons for the high compilation
>> speed]
>>
>> Regards,
>> Sven
>>
>>
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