[Gambas-user] Arrays of Structs - how to - and curious debug message
g4mba5 at gmail.com
Fri Jun 11 15:55:55 CEST 2021
Le 11/06/2021 à 02:34, John Anderson a écrit :
> Yes, I did the description as per your wiki page. I tried that first,
> but it says it's not a real array. But throwing all caution to wind I
> Did 'MyBigArray2 as Struct MyStruct.'
> Now Object.SizeOf(MyBigArray2) has a size of 40 bytes (I know it is just
> an object). Then I started to try different ways but I was just being
> C code needs pointer to that array PLUS size of the array it's getting
> (ByRef MyBigArray2, tsize)... I guess I have to calc final array size in
> bytes as Object.SizeOf(MyStruct) * MyBigArray2.Count?
> How to copy array of struct contents Gambas way? (not pointers,
> contents). I'm sorry if its in docs, I don't see it yet. I know I can
> copy arrays of Gambas  types with .Copy method, but I don't think that
> works with array of struct? (If I try Copy with array of struct , it
> comes back "Copy Unknown Method error).
> Attached, compressed project (with known error) will emit errors upon
> completion if a data breakpoint is set, but will show NO errors when
> breakpoint NOT set. That could be a real problem - is it supposed to
> work that way? If it might be a bug, I'll post on bug tracker when its
> login works again.
OK, I have analyzed the problem: the structure assignment is buggy, it
does not handle all cases. Hopefully the memory stream does, so it
should be a matter of code refactoring.
If you don't know what is a memory stream in Gambas, I suggest you look
it, you can use it as a workaround for the current problem (Look at OPEN
MEMORY in the documentation).
As for the breakpoint problem, let's see that later.
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