1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
|
{ %target=darwin }
{ %cpu=powerpc,powerpc64,i386,x86_64,arm,aarch64 }
{ Written by Jonas Maebe in 2009, released into the public domain }
program protocoltest;
{$mode objfpc}{$H+}
{$modeswitch objectivec1}
type
MyProtocolA = objcprotocol
function newMethod: longint; message 'n';
end;
MyProtocolB = objcprotocol(MyProtocolA)
class function newClassMethod: longint; message 'newClassMethod';
end;
{ TMyObject }
TMyObjectA = objcclass(NSObject, MyProtocolA)
function newMethod: longint;
end;
TMyObjectB = objcclass(NSObject,MyProtocolB)
function newMethod: longint;
class function newClassMethod: longint;
end;
{ TMyObjectA }
function TMyObjectA.newMethod: longint;
begin
result:=1;
end;
{ TMyObjectB }
function TMyObjectB.newMethod: longint;
begin
result:=3;
end;
class function TMyObjectB.newClassMethod: longint;
begin
result:=4;
end;
var
a : MyProtocolA;
b : MyProtocolB;
begin
a:=TMyObjectA.alloc.init;
b:=TMyObjectB.alloc.init;
if a.newMethod<>1 then
halt(1);
if b.newMethod<>3 then
halt(3);
if b.newclassmethod<>4 then
halt(4);
id(a).release;
id(b).release;
end.
|
