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Program trtti1;
{$Mode Delphi}
{$M+}
Uses
Rttiobj,Typinfo;
Procedure DumpMem ( PL : PByte );
Var I,j : longint;
begin
For I:=1 to 16 do
begin
Write ((I-1)*16:3,' :');
For J:=1 to 10 do
begin
If (PL^>31) and (PL^<129) then
Write(' ',CHar(PL^))
else
Write (PL^:3);
Write (' ');
inc(pl);
end;
writeln;
end;
end;
Function ProcType (PP : Byte) : String;
begin
Case PP and 3 of
ptfield : Result:='from Field';
ptstatic : Result:='with static method';
ptVirtual : Result:='with virtual method';
ptconst : Result:='with Const';
end;
end;
Procedure DumpTypeInfo (O : TMyTestObject);
Var
PT : PTypeData;
PI : PTypeInfo;
I : Longint;
PP : PPropList;
begin
PI:=O.ClassInfo;
Writeln ('Type kind : ',TypeNames[PI^.Kind]);
Writeln ('Type name : ',PI^.Name);
PT:=GetTypeData(PI);
//DumpMem(PByte(PI));
If PT^.ParentInfo=Nil then
Writeln ('Object has no parent info')
else
Writeln ('Object has parent info');
Writeln ('Property Count : ',PT^.PropCount);
Writeln ('Unit name : ',PT^.UnitName);
GetMem (PP,PT^.PropCount*SizeOf(Pointer));
GetPropInfos(PI,PP);
For I:=0 to PT^.PropCount-1 do
If PP^[i]<>Nil then
With PP^[I]^ do
begin
Writeln ('Property name : ',Name);
Writeln (' Type kind: ',TypeNames[PropType^.Kind]);
Writeln (' Type Name: ',PropType^.Name);
If GetProc=Nil then Write ('No');
Writeln (' Getproc available');
If SetProc=Nil then Write ('No');
Writeln (' Setproc available');
If StoredProc=Nil then Write ('No');
Writeln (' Storedproc available');
Writeln (' Get property ',proctype(Propprocs));
Writeln (' Set Property ',proctype(propprocs shr 2));
Writeln (' Stored Property ',proctype(propprocs shr 4));
Writeln (' Default : ',Default,' Index : ',Index);
Writeln (' NameIndex : ',NameIndex);
end;
end;
Procedure PrintObject ( Obj: TMyTestObject);
begin
With Obj do
begin
Writeln ('Field properties :');
Writeln ('Property booleanField : ',booleanField);
Writeln ('Property ByteField : ',ByteField);
Writeln ('Property CharField : ',CharField);
Writeln ('Property WordField : ',WordField);
Writeln ('Property IntegerField : ',IntegerField);
Writeln ('Property LongintField : ',LongintField);
Writeln ('Property CardinalField : ',CardinalField);
Writeln ('Property RealField : ',RealField);
Writeln ('Property ExtendedField : ',ExtendedFIeld);
Writeln ('Property AnsiStringField : ',AnsiStringField);
Writeln ('Property MyEnumField : ',ord(MyEnumField));
Writeln ('Method properties :');
Writeln ('Property booleanMethod : ',BooleanMethod);
Writeln ('Property ByteMethod : ',ByteMethod);
Writeln ('Property CharMethod : ',CharMethod);
Writeln ('Property WordMethod : ',WordMethod);
Writeln ('Property IntegerMethod : ',IntegerMethod);
Writeln ('Property LongintMethod : ',LongintMethod);
Writeln ('Property CardinalMethod : ',CardinalMethod);
Writeln ('Property RealMethod : ',RealMethod);
Writeln ('Property ExtendedMethod : ',ExtendedMethod);
Writeln ('Property AnsiStringMethod : ',AnsiStringMethod);
Writeln ('Property MyEnumMethod : ',ord(MyEnumMethod));
Writeln ('VirtualMethod properties :');
Writeln ('Property booleanVirtualMethod : ',BooleanVirtualMethod);
Writeln ('Property ByteVirtualMethod : ',ByteVirtualMethod);
Writeln ('Property CharVirtualMethod : ',CharVirtualMethod);
Writeln ('Property WordVirtualMethod : ',WordVirtualMethod);
Writeln ('Property IntegerVirtualMethod : ',IntegerVirtualMethod);
Writeln ('Property LongintVirtualMethod : ',LongintVirtualMethod);
Writeln ('Property CardinalVirtualMethod : ',CardinalVirtualMethod);
Writeln ('Property RealVirtualMethod : ',RealVirtualMethod);
Writeln ('Property ExtendedVirtualMethod : ',ExtendedVirtualMethod);
Writeln ('Property AnsiStringVirtualMethod : ',AnsiStringVirtualMethod);
Writeln ('Property MyEnumVirtualMethod : ',ord(MyEnumVirtualMethod));
end;
end;
Procedure TestGet (O : TMyTestObject);
Var
PT : PTypeData;
PI : PTypeInfo;
I,J : Longint;
PP : PPropList;
prI : PPropInfo;
begin
PI:=O.ClassInfo;
Writeln ('Type kind : ',TypeNames[PI^.Kind]);
Writeln ('Type name : ',PI^.Name);
PT:=GetTypeData(PI);
If PT^.ParentInfo=Nil then
Writeln ('Object has no parent info')
else
Writeln ('Object has parent info');
Writeln ('Property Count : ',PT^.PropCount);
Writeln ('Unit name : ',PT^.UnitName);
GetMem (PP,PT^.PropCount*SizeOf(Pointer));
GetPropInfos(PI,PP);
For I:=0 to PT^.PropCount-1 do
begin
pri:=PP^[i];
With Pri^ do
begin
Write ('(Examining ',name,' : Type : ',TypeNames[PropType^.Kind],', ');
If (Proptype^.kind in Ordinaltypes) Then
begin
J:=GetOrdProp(O,pri);
Write ('Value : ',j);
If PropType^.Kind=tkenumeration then
Write ('(=',GetEnumName(Proptype,J),')')
end
else
Case pri^.proptype^.kind of
tkfloat : begin
Write ('Value : ');
Flush(output);
Write(GetFloatProp(O,pri))
end;
tkAstring : begin
Write ('value : ');
flush (output);
Write(GetStrProp(O,Pri));
end;
else
Write ('Untested type:',ord(pri^.proptype^.kind));
end;
Writeln (')');
end;
end;
end;
Var O : TMyTestObject;
begin
O:=TMyTestObject.Create;
DumpTypeInfo(O);
PrintObject(O);
testget(o);
end.
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