Bart via fpc-devel <fpc-devel@lists.freepascal.org> schrieb am Do., 10. Dez. 2020, 11:56:
> On Thu, Dec 10, 2020 at 7:34 AM Sven Barth via fpc-devel > <fpc-devel@lists.freepascal.org> wrote: > > > That is correct, because without the SysUtils unit (which declared the > > Exception type) the RTL can't convert the triggered runtime error to an > > exception type that can be caught inside the try ... except ... end > block. > > I would have expected that in that scenario (no sysutils) try..except > or try..finally should raise a compilation error then. > Since you teel the compiler to do things it cannot do? > It would be Delphi incompatible of course ... > The *compiler* handles it correctly. It's the *RTL* that's not setup in a way that it would work correctly in that case. And since in theory the user is completely free to provide their own RTL the compiler can't do any checks here. > B.t.w. (cannot test now, am at work): does it catc exceptions if any > other used unit in the main program uses sysutils? > I.o.w.: is it enough if sysutils gets linked in, or must it be in the > unit/prgram that actually has the try..except/try..finally code in it? > The initialization section of the SysUtils unit needs to be executed, so as long as any other unit includes the SysUtils unit it will work. Regards, Sven
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