[fpc-pascal] fpc 2.3.1 doesn't allow to pass literal constants as
formal const parameter
jonas.maebe at elis.ugent.be
Thu Mar 6 22:29:37 CET 2008
On 06 Mar 2008, at 22:22, Vincent Snijders wrote:
> Peter Vreman schreef:
>> 1. It is passed by value and not by reference.
> The compile could decide to pass by reference, couldn't it.
That's what it did in the past, but that's a hack (because it's
passing a value without an address by reference).
>> 2. You don't know the size of the value.
> The caller knows the size, doesn't it.
No, it doesn't. Ordinal constants have no inherent size in Pascal
(well, in case of TP/Delphi and therefore FPC: most of the time, at
> Why do you need to know the size?
E.g. on big endian, the memory layout of byte(1), word(1), cardinal(1)
and qword(1) is completely different.
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