[Lazarus] Resources without RC files

[Ondrej Pokorny]

On 04.05.2023 11:02, Michael Van Canneyt wrote:
> On Thu, 4 May 2023, Ondrej Pokorny wrote:
>> On 04.05.2023 08:38, Michael Van Canneyt wrote:
>>> On Thu, 4 May 2023, Ondrej Pokorny via lazarus wrote:
>>>> How is it possible that the LFM files are included directly but 
>>>> *.SQL files are parsed as RC files?
>>>
>>> Because the file extension is recognized ? LFM is included as 
>>> RC_DATA, and probably everything that is not .lfm is assumed to be a 
>>> RC format.
>>>
>>> I believe fpcres also has this check.
>>
>> Thanks for the tip. I found it - it is directly in the compiler.
>>
>> In comprsrc.pas TWinLikeResourceFile.IsCompiled there is a logic that 
>> defines what the compiler does with the included resource file based 
>> on the extension or file header.
>>
>> I don't like the fact that there are hard-coded constants for what 
>> seems to be (for a stranger) arbitrary file extensions and that it is 
>> not documented anywhere.
>
> Well, developers that are using lazarus and form files know what happens.
>
> This is undoubtedly the majority of FPC users, so I don't think this 
> is an
> issue.

It is still confusing - in pas2js any file can be added as a resource with:

{$R abc.xyz}

In FPC only LFM, so hence the question why and how :)

Ondrej