Hi,
I am new to FPC, but I do like it - thanks!
We are trying to switch from Delphi to FPC, but I am stuck with the
following issue - in Delphi you can cast set to integer and get it
back later - again by casting. In our case it is used for persistence
purposes.
We have a lot of different
Recap:
Way 1: Introduce new method(s), leave Write/ReadAnsiString as is.
1.1
procedure WriteRawString(const s: string);
function ReadRawString(Len: integer)
1.2 (ready for future when string will be UnicodeString)
procedure WriteString(const s: string);
function ReadString(Len: integer)
In our previous episode, Gennady Agranov said:
I am new to FPC, but I do like it - thanks!
We are trying to switch from Delphi to FPC, but I am stuck with the
following issue - in Delphi you can cast set to integer and get it
back later - again by casting. In our case it is used for
You will find that if you are converting from a Delphi version equal to
or before Delhi 2009, the {$Mode Delphi} or -Mdelphi directive does
exactly what you want.
On 22-7-2014 3:37, Gennady Agranov wrote:
Hi,
I am new to FPC, but I do like it - thanks!
We are trying to switch from Delphi to
A case for ternary computing is not really a bad idea ;)
On 21-7-2014 21:42, Hans-Peter Diettrich wrote:
Dmitry Boyarintsev schrieb:
How about introducing a default parameter?
The parameter keeps the method backward compatible, allowing write a
string without the prefix.
public procedure
You can always use KOL for that ;)
But anyway: we implemented that at the cost of read-back speed and
looking for zero termination, which is flawed anyway for object pascal
strings, since it can contain zero's.
It can be done through RTTI with my usual complaints about that sort of
shit.
A
On Tue, Jul 22, 2014 at 6:46 AM, tha...@thaddy.com tha...@thaddy.com
wrote:
A case for ternary computing is not really a bad idea ;)
On 21-7-2014 21:42, Hans-Peter Diettrich wrote:
Dmitry Boyarintsev schrieb:
How about introducing a default parameter?
The parameter keeps the method
On Tue, Jul 22, 2014 at 5:14 AM, Marco van de Voort mar...@stack.nl wrote:
In our previous episode, Gennady Agranov said:
I am new to FPC, but I do like it - thanks!
We are trying to switch from Delphi to FPC, but I am stuck with the
following issue - in Delphi you can cast set to
In our previous episode, Gennady Agranov said:
Good. And afaik in Delphi mode this works too in FPC? Did you test?
casting integer to set does not compile in FPC - and yes - I use Delphi
mode :(
program setcast;
{$ifdef FPC}
{$mode delphi}
{$else}
{$APPTYPE CONSOLE}
{$endif}
uses
Yes, Marco, as you previously suspected, It does.
I saw you gave already a similar answer to mine.
The pointer casts are definitely not necessary, Gennady.
Can you show a little example WHERE it doesn't work? In plain fpc, not
lazarus code?
On 22-7-2014 18:13, Marco van de Voort wrote:
In
What I was a little bit more than hinting at in my previous answers is
that it is impossible for an abstract read stream to know that there's a
string to read. There is at least one higher level of implementation
necessary: one that recognizes a string.
That means probably something like
On Tue, Jul 22, 2014 at 12:17 PM, tha...@thaddy.com tha...@thaddy.com
wrote:
What I was a little bit more than hinting at in my previous answers is
that it is impossible for an abstract read stream to know that there's a
string to read. There is at least one higher level of implementation
Thanks!
Your example does compile, but if you replace 31 with 32 - it will not
compile - no matter what you use - integer, int64 or qword
And I guess I know the reason now - sizeof(left) should be equal to
sizeof(right) and 33 bits enum has sizeof of 5 :(
Any suggestions?
Thanks,
Gennady
On
Thanks again!
I am all set now - I needed {$PACKSET 4} :)
Thanks,
Gennady
program setcast;
{$ifdef FPC}
{$mode delphi}
{$PACKSET 4}
{$else}
{$APPTYPE CONSOLE}
{$endif}
uses
SysUtils;
type tenum=0..32;
tmyset= set of tenum;
var x:int64;
y:tmyset;
begin
x:=int64(y);
In our previous episode, Gennady Agranov said:
Your example does compile, but if you replace 31 with 32 - it will not
compile - no matter what you use - integer, int64 or qword
But does that work in Delphi, did you test?
And I guess I know the reason now - sizeof(left) should be equal to
But does that work in Delphi, did you test?
You are correct - Delphi also requires that source and target are of
same size - thanks!
I finally figured why existing Delphi code was not compiling - I did not
use {$mode delphi} in the unit - i did not want to add {$mode dlephi} to
every
On 23.07.2014 05:54, Gennady Agranov wrote:
And I know why - if you have {$mode delphi} - sizeof(tmyset) is 8, but
if you do not (and use -Mdelphi) sizeof(tmyset) is 32
Do you know why -Mdelphi is different from {$mode delphi} w.r.t to
sizeof(tmyset)?
This should not be the case. Please
17 matches
Mail list logo
