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@@ -0,0 +1,66 @@
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+{$mode tp}
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+
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+program test_const_objects;
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+
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+const
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+ top2_display_called : integer = 0;
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+ top3_display_called : integer = 0;
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+
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+type
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+ tobj1 = object
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+ x,y : integer;
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+ end;
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+
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+ tobj2 = object(tobj1)
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+ z : integer;
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+ constructor init(ax,ay,az : integer);
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+ procedure display; virtual;
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+ end;
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+
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+ tobj3 = object(tobj2)
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+ t : integer;
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+ constructor init(ax,ay,az,at : integer);
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+ procedure display; virtual;
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+ end;
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+
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+constructor tobj2.init(ax,ay,az : integer);
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+begin
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+ x:=ax;
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+ y:=ay;
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+ z:=az;
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+end;
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+
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+procedure tobj2.display;
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+begin
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+ Writeln(x,' ',y,' ',z);
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+ inc(top2_display_called);
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+end;
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+
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+constructor tobj3.init(ax,ay,az,at : integer);
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+begin
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+ x:=ax;
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+ y:=ay;
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+ z:=az;
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+ t:=at;
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+end;
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+
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+procedure tobj3.display;
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+begin
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+ Writeln(x,' ',y,' ',z,' ',t);
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+ inc(top3_display_called);
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+end;
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+
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+const
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+ Obj1 : Tobj1 = (x : 1; y : 2);
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+ Obj2 : TObj2 = (x : 3; y : 4; z : 5);
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+ Obj3 : Tobj3 = (x : 6; y : 7; z : 8; t : 9);
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+ Obj3b : Tobj3 = (x : 10);
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+
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+begin
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+ Obj2.Display;
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+ Obj3.Display;
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+ Obj3b.Display;
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+ if (top2_display_called<>1) or (top3_display_called<>2) then
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+ Halt(1);
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+end.
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+
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