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{ %OPT= -S2 }
{ Old file: tbs0141.pp }
{ Wrong Class sizes when using forwardly defined classes. OK 0.99.6 }
program bug;
{ uses objpas; not with -S2 !! }
type
//
TObjectAB = class;
TObjectABCD = class;
TObjectABCDEF = class;
// }
TObjectAB = class(tobject)
a, b: integer;
end ;
TObjectABCD = class(TObjectAB)
c, d: integer;
end ;
TObjectABCDEF = class(TObjectABCD)
e, f: integer;
end ;
var
a, b, c: TObject;
begin
a := TObjectAB.Create;
WriteLn(a.InstanceSize, ' Should be: 12');
if a.InstanceSize + SizeOf(integer)*2 <> TObjectABCD.InstanceSize then
Halt(1);
b := TObjectABCD.Create;
if b.InstanceSize + SizeOf(integer)*2 <> TObjectABCDEF.InstanceSize then
Halt(1);
WriteLn(b.InstanceSize, ' Should be: 20');
c := TObjectABCDEF.Create;
WriteLn(c.InstanceSize, ' Should be: 28');
end.
{
Here are the VMT tables from the assembler file:
.globl VMT_TD$_TOBJECTAB
VMT_TD$_TOBJECTAB:
.long 12,-12
.long VMT_OBJPAS$_TOBJECT
.long _OBJPAS$$_$$_TOBJECT_DESTROY
.long _OBJPAS$$_$$_TOBJECT_NEWINSTANCE
.long _OBJPAS$$_$$_TOBJECT_FREEINSTANCE
.long _OBJPAS$$_$$_TOBJECT_SAFECALLEXCEPTION$TOBJECT$POINTER
.long _OBJPAS$$_$$_TOBJECT_DEFAULTHANDLER$$$$
.globl VMT_TD$_TOBJECTABCD
VMT_TD$_TOBJECTABCD:
.long 12,-12
.long VMT_TD$_TOBJECTAB
.long _OBJPAS$$_$$_TOBJECT_DESTROY
.long _OBJPAS$$_$$_TOBJECT_NEWINSTANCE
.long _OBJPAS$$_$$_TOBJECT_FREEINSTANCE
.long _OBJPAS$$_$$_TOBJECT_SAFECALLEXCEPTION$TOBJECT$POINTER
.long _OBJPAS$$_$$_TOBJECT_DEFAULTHANDLER$$$$
.globl VMT_TD$_TOBJECTABCDEF
VMT_TD$_TOBJECTABCDEF:
.long 12,-12
.long VMT_TD$_TOBJECTABCD
.long _OBJPAS$$_$$_TOBJECT_DESTROY
.long _OBJPAS$$_$$_TOBJECT_NEWINSTANCE
.long _OBJPAS$$_$$_TOBJECT_FREEINSTANCE
.long _OBJPAS$$_$$_TOBJECT_SAFECALLEXCEPTION$TOBJECT$POINTER
.long _OBJPAS$$_$$_TOBJECT_DEFAULTHANDLER$$$$
}
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