[fpc-pascal] Inline bytes

Jonas Maebe jonas.maebe at elis.ugent.be
Thu Aug 9 15:51:10 CEST 2012

Rainer Stratmann wrote on Thu, 09 Aug 2012:

> Am Thursday 09 August 2012 15:33:52 schrieb Jonas Maebe:
>> > Thanks, the next problem then is: I wanted to do that in an inline
>> > procedure but if the compiler detects an asm statement then inline is
>> > disabled(!).
>> That's correct, it is not possible inline assembler statements in FPC.
>> You can try a macro instead:
>> {$macro on}
>> {$define IReallyKnowWhatIAmDoing:=asm .byte 0x1f, 0xef, 0x1a end}
>> begin
>>    IReallyKnowWhatIAmDoing;
> Sounds good!
>> end.
> Same thing: inlining disabled(!).

The idea is to use the macro instead of a function call, not to use  
the macro inside a function that you then try to inline. A macro is  
just text substitution, it will never have a different effect than  
typing its contents directly at the place where the macro is used.


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