1 it CompilerhelperForInitializingFinalizingVariable;
2
3 interface
4
5 { Compiler helper for initializing/finalizing variable }
6
7 procedure _Initialize(p : Pointer; typeInfo : Pointer);
8 procedure _InitializeArray(p : Pointer; typeInfo : Pointer; elemCount : NativeUInt);
9 procedure _InitializeRecord(p : Pointer; typeInfo : Pointer);
10
11 {$IF not defined(X86ASMRTL)}
12 // dcc64 generated code expects P to remain in RAX on exit from this function.
13 function _Finalize(P : Pointer; TypeInfo : Pointer): Pointer;
14 function _FinalizeArray(P : Pointer; TypeInfo : Pointer; ElemCount : NativeUInt): Pointer;
15 function _FinalizeRecord(P : Pointer; TypeInfo : Pointer): Pointer;
16 {$ELSE}
17 procedure _Finalize(p : Pointer; typeInfo : Pointer);
18 procedure _FinalizeArray(P : Pointer; TypeInfo : Pointer; ElemCount : NativeUInt);
19 procedure _FinalizeRecord(P : Pointer; TypeInfo : Pointer);
20 {$ENDIF}
21
22 procedure _CopyRecord(Dest, Source, TypeInfo : Pointer);
23 procedure _CopyObject(Dest, Source : Pointer; vmtPtrOffs : NativeInt; TypeInfo : Pointer);
24 procedure _CopyArray(Dest, Source, TypeInfo : Pointer; Count : NativeUInt);
25
26 procedure _AddRef(P : Pointer; TypeInfo : Pointer);
27 procedure _AddRefArray(P : Pointer; TypeInfo : Pointer; ElemCount : NativeUInt);
28 procedure _AddRefRecord(P : Pointer; TypeInfo : Pointer);
29
30 function _New(Size : NativeInt; TypeInfo : Pointer): Pointer;
31 procedure _Dispose(P : Pointer; TypeInfo : Pointer);
32
33 procedure InitializeArray(p : Pointer; typeInfo : Pointer; elemCount : NativeUInt);
34 procedure CopyArray(Dest, Source, TypeInfo : Pointer; Count : NativeInt);
35 procedure FinalizeArray(P : Pointer; TypeInfo : Pointer; Count : NativeUInt);
36
37
38 implementation
39
40 { ===========================================================================
41 InitializeRecord, InitializeArray, and Initialize are PIC safe even though
42 they alter EBX because they only call each other. They never call out to
43 other functions and they don t access global data.
44
45 FinalizeRecord, Finalize, and FinalizeArray are PIC safe because they call
46 Pascal routines which will have EBX fixup prologs.
47 ===========================================================================}
48 procedure _VarClr(var v : TVarData);
49 begin
50 if Assigned(VarClearProc) then
51 VarClearProc(v)
52 else
53 Error(reVarInvalidOp);
54 end;
55
56 procedure _VarCopy(var Dest : TVarData; const Src : TVarData);
57 begin
58 if Assigned(VarCopyProc) then
59 VarCopyProc(Dest, Src)
60 else
61 Error(reVarInvalidOp);
62 end;
63
64 procedure _VarAddRef(var v : TVarData);
65 begin
66 if Assigned(VarAddRefProc) then
67 VarAddRefProc(v)
68 else
69 Error(reVarInvalidOp);
70 end;
71
72 { ===========================================================================
73 InitializeRecord, InitializeArray, and Initialize are PIC safe even though
74 they alter EBX because they only call each other. They never call out to
75 other functions and they don t access global data.
76
77 FinalizeRecord, Finalize, and FinalizeArray are PIC safe because they call
78 Pascal routines which will have EBX fixup prologs.
79 ===========================================================================}
80
81 procedure _InitializeRecord(p : Pointer; typeInfo : Pointer);
82 var
83 FT : PFieldTable;
84 I : Cardinal;
85 begin
86 FT := PFieldTable(PByte(typeInfo) + Byte(PTypeInfo(typeInfo).Name[0]));
87 if FT.Count > 0 then
88 begin
89 for I := FT.Count - 1 downto 0 do
90 {$IFDEF WEAKREF}
91 if FT.Fields[I].TypeInfo <> nil then
92 {$ENDIF}
93 _InitializeArray(Pointer(PByte(P) + UIntPtr(FT.Fields[I].Offset)),
94 FT.Fields[I].TypeInfo^, 1);
95 end;
96 end;
97
98 function _FinalizeRecord(P : Pointer; TypeInfo : Pointer): Pointer;
99 var
100 FT : PFieldTable;
101 I : Cardinal;
102 {$IFDEF WEAKREF}
103 Weak : Boolean;
104 {$ENDIF}
105 begin
106 FT := PFieldTable(PByte(TypeInfo) + Byte(PTypeInfo(TypeInfo).Name[0]));
107 if FT.Count > 0 then
108 begin
109 {$IFDEF WEAKREF}
110 Weak := false;
111 {$ENDIF}
112 for I := 0 to FT.Count - 1 do
113 begin
114 {$IFDEF WEAKREF}
115 if FT.Fields[I].TypeInfo = nil then
116 begin
117 Weak := true;
118 Continue;
119 end;
120 if not Weak then
121 begin
122 {$ENDIF}
123 _FinalizeArray(Pointer(PByte(P) + IntPtr(FT.Fields[I].Offset)),
124 FT.Fields[I].TypeInfo^, 1);
125 {$IFDEF WEAKREF}
126 end
127 else
128 begin
129 case FT.Fields[I].TypeInfo^.Kind of
130 {$IFDEF WEAKINTFREF}
131 tkInterface:
132 _IntfWeakClear(IInterface(Pointer(PByte(P) +
133 IntPtr(FT.Fields[I].Offset))^));
134 {$ENDIF}
135 {$IFDEF WEAKINSTREF}
136 tkClass:
137 _InstWeakClear(TObject(Pointer(PByte(P) + IntPtr(FT.Fields[I].Offset))^));
138 {$ENDIF}
139 {$IFDEF WEAKREF}
140 tkMethod:
141 _ClosureRemoveWeakRef(TMethod(Pointer(PByte(P) +
142 IntPtr(FT.Fields[I].Offset))^));
143 {$ENDIF}
144 else
145 Error(reInvalidPtr);
146 end;
147 end;
148 {$ENDIF}
149 end;
150 end;
151 Result := P;
152 end;
153
154 procedure _InitializeArray(p : Pointer; typeInfo : Pointer; elemCount : NativeUInt);
155 var
156 FT : PFieldTable;
157 I : Cardinal;
158 begin
159 if elemCount = 0 then
160 Exit;
161 case PTypeInfo(typeInfo).Kind of
162 {$IFDEF WEAKREF}
163 tkMethod:
164 while elemCount > 0 do
165 begin
166 TMethod(P^).Data := nil;
167 TMethod(P^).Code := nil;
168 Inc(PByte(P), SizeOf(TMethod));
169 Dec(elemCount);
170 end;
171 {$ENDIF}
172 {$IFDEF AUTOREFCOUNT}
173 tkClass,
174 {$ENDIF}
175 tkLString, tkWString, tkInterface, tkDynArray, tkUString:
176 while elemCount > 0 do
177 begin
178 PPointer(P)^ := nil;
179 Inc(PByte(P), SizeOf(Pointer));
180 Dec(elemCount);
181 end;
182 tkVariant:
183 while elemCount > 0 do
184 begin
185 with PVarData(P)^ do
186 for I := Low(RawData) to High(RawData) do
187 RawData[I] := 0;
188 Inc(PByte(P), SizeOf(TVarData));
189 Dec(elemCount);
190 end;
191 tkArray:
192 begin
193 FT := PFieldTable(PByte(typeInfo) + Byte(PTypeInfo(typeInfo).Name[0]));
194 while elemCount > 0 do
195 begin
196 _InitializeArray(P, FT.Fields[0].TypeInfo^, FT.Count);
197 Inc(PByte(P), FT.Size);
198 Dec(elemCount);
199 end;
200 end;
201 tkRecord:
202 begin
203 FT := PFieldTable(PByte(typeInfo) + Byte(PTypeInfo(typeInfo).Name[0]));
204 while elemCount > 0 do
205 begin
206 _InitializeRecord(P, typeInfo);
207 Inc(PByte(P), FT.Size);
208 Dec(elemCount);
209 end;
210 end;
211 else
212 Error(reInvalidPtr);
213 end;
214 end;
215
216 function _FinalizeArray(P : Pointer; TypeInfo : Pointer; ElemCount : NativeUInt): Pointer;
217 var
218 FT : PFieldTable;
219 begin
220 Result := P;
221 if ElemCount = 0 then
222 Exit;
223 case PTypeInfo(TypeInfo).Kind of
224 {$IFDEF WEAKREF}
225 tkMethod:
226 while ElemCount > 0 do
227 begin
228 _ClosureRemoveWeakRef(TMethod(P^));
229 Inc(PByte(P), SizeOf(TMethod));
230 Dec(ElemCount);
231 end;
232 {$ENDIF}
233 {$IFDEF AUTOREFCOUNT}
234 tkClass:
235 while ElemCount > 0 do
236 begin
237 _InstClear(TObject(P^));
238 Inc(PByte(P), SizeOf(Pointer));
239 Dec(ElemCount);
240 end;
241 {$ENDIF}
242 tkLString:
243 _LStrArrayClr(P^, ElemCount);
244 tkWString:
245 _WStrArrayClr(P^, ElemCount);
246 tkUString:
247 _UStrArrayClr(P^, ElemCount);
248 tkVariant:
249 while ElemCount > 0 do
250 begin
251 _VarClr(PVarData(P)^);
252 Inc(PByte(P), SizeOf(TVarData));
253 Dec(ElemCount);
254 end;
255 tkArray:
256 begin
257 FT := PFieldTable(PByte(typeInfo) + Byte(PTypeInfo(typeInfo).Name[0]));
258 while ElemCount > 0 do
259 begin
260 _FinalizeArray(P, FT.Fields[0].TypeInfo^, FT.Count);
261 Inc(PByte(P), FT.Size);
262 Dec(ElemCount);
263 end;
264 end;
265 tkRecord:
266 begin
267 FT := PFieldTable(PByte(TypeInfo) + Byte(PTypeInfo(TypeInfo).Name[0]));
268 while ElemCount > 0 do
269 begin
270 _FinalizeRecord(P, TypeInfo);
271 Inc(PByte(P), FT.Size);
272 Dec(ElemCount);
273 end;
274 end;
275 tkInterface:
276 while ElemCount > 0 do
277 begin
278 _IntfClear(IInterface(P^));
279 Inc(PByte(P), SizeOf(Pointer));
280 Dec(ElemCount);
281 end;
282 tkDynArray:
283 while ElemCount > 0 do
284 begin
285 { The cast and dereference of P here is to fake out the call to
286 _DynArrayClear. That function expects a var parameter. Our
287 declaration says we got a non-var parameter, but because of
288 the data type that got passed to us (tkDynArray), this isn t
289 strictly true. The compiler will have passed us a reference. }
290 _DynArrayClear(PPointer(P)^, typeInfo);
291 Inc(PByte(P), SizeOf(Pointer));
292 Dec(ElemCount);
293 end;
294 else
295 Error(reInvalidPtr);
296 end;
297 end;
298
299 procedure _AddRefRecord(P : Pointer; TypeInfo : Pointer);
300 var
301 FT : PFieldTable;
302 I : Cardinal;
303 begin
304 FT := PFieldTable(PByte(TypeInfo) + Byte(PTypeInfo(TypeInfo).Name[0]));
305 if FT.Count > 0 then
306 begin
307 for I := 0 to FT.Count - 1 do
308 begin
309 {$IFDEF WEAKREF}
310 // Check for the sentinal indicating the following fields are weak references
311 // which don t need to be reference counted
312 if FT.Fields[I].TypeInfo = nil then
313 Break;
314 {$ENDIF}
315 _AddRefArray(Pointer(PByte(P) + UIntPtr(FT.Fields[I].Offset)),
316 FT.Fields[I].TypeInfo^, 1);
317 end;
318 end;
319 end;
320
321 procedure _AddRefArray(P : Pointer; TypeInfo : Pointer; ElemCount : NativeUInt);
322 var
323 FT : PFieldTable;
324 begin
325 if ElemCount = 0 then
326 Exit;
327 case PTypeInfo(TypeInfo).Kind of
328 {$IFDEF WEAKREF}
329 tkMethod:
330 while ElemCount > 0 do
331 begin
332 _ClosureAddWeakRef(TMethod(P^));
333 Inc(PByte(P), SizeOf(TMethod));
334 Dec(ElemCount);
335 end;
336 {$ENDIF}
337 {$IFDEF AUTOREFCOUNT}
338 tkClass:
339 while ElemCount > 0 do
340 begin
341 _InstAddRef(TObject(P^));
342 Inc(PByte(P), SizeOf(Pointer));
343 Dec(ElemCount);
344 end;
345 {$ENDIF}
346 tkLString:
347 while ElemCount > 0 do
348 begin
349 _LStrAddRef(PPointer(P)^);
350 Inc(PByte(P), SizeOf(Pointer));
351 Dec(ElemCount);
352 end;
353 tkWString:
354 while ElemCount > 0 do
355 begin
356 {$IFDEF MSWINDOWS}
357 _WStrAddRef(PWideString(P)^);
358 {$ELSE}
359 _WStrAddRef(PPointer(P)^);
360 {$ENDIF}
361 Inc(PByte(P), SizeOf(Pointer));
362 Dec(ElemCount);
363 end;
364 tkUString:
365 while ElemCount > 0 do
366 begin
367 _UStrAddRef(PPointer(P)^);
368 Inc(PByte(P), SizeOf(Pointer));
369 Dec(ElemCount);
370 end;
371 tkVariant:
372 while ElemCount > 0 do
373 begin
374 _VarAddRef(PVarData(P)^);
375 Inc(PByte(P), SizeOf(TVarData));
376 Dec(ElemCount);
377 end;
378 tkArray:
379 begin
380 FT := PFieldTable(PByte(TypeInfo) + Byte(PTypeInfo(TypeInfo).Name[0]));
381 while ElemCount > 0 do
382 begin
383 _AddRefArray(P, FT.Fields[0].TypeInfo^, FT.Count);
384 Inc(PByte(P), FT.Size);
385 Dec(ElemCount);
386 end;
387 end;
388 tkRecord:
389 begin
390 FT := PFieldTable(PByte(TypeInfo) + Byte(PTypeInfo(TypeInfo).Name[0]));
391 while ElemCount > 0 do
392 begin
393 _AddRefRecord(P, TypeInfo);
394 Inc(PByte(P), FT.Size);
395 Dec(ElemCount);
396 end;
397 end;
398 tkInterface:
399 while ElemCount > 0 do
400 begin
401 _IntfAddRef(IInterface(P^));
402 Inc(PByte(P), SizeOf(Pointer));
403 Dec(ElemCount);
404 end;
405 tkDynArray:
406 while ElemCount > 0 do
407 begin
408 _DynArrayAddRef(PPointer(P)^);
409 Inc(PByte(P), SizeOf(Pointer));
410 Dec(ElemCount);
411 end;
412 else
413 Error(reInvalidPtr);
414 end;
415 end;
416
417 procedure _AddRef(P : Pointer; TypeInfo : Pointer);
418 begin
419 _AddRefArray(P, TypeInfo, 1);
420 end;
421
422 procedure _CopyRecord(Dest, Source, TypeInfo : Pointer);
423 var
424 FT, EFT : PFieldTable;
425 I, Count, L : Cardinal;
426 {$IFDEF WEAKREF}
427 J, K : Cardinal;
428 {$ENDIF}
429 Offset : UIntPtr;
430 FTypeInfo : PTypeInfo;
431 DestOff, SrcOff : Pointer;
432 begin
433 FT := PFieldTable(PByte(TypeInfo) + Byte(PTypeInfo(TypeInfo).Name[0]));
434 Offset := 0;
435 if FT.Count > 0 then
436 begin
437 Count := FT.Count;
438 {$IFDEF WEAKREF}
439 J := 0;
440 K := Count;
441 for I := Count - 1 downto 0 do
442 if FT.Fields[I].TypeInfo = nil then
443 begin
444 K := I + 1; // found the weak sentinal
445 Dec(Count); // remove the sentinal from consideration
446 Break;
447 end;
448 {$ENDIF}
449 for L := 0 to Count - 1 do
450 begin
451 {$IFDEF WEAKREF}
452 if (FT.Fields[J].TypeInfo <> nil) and
453 ((K = FT.Count) or (FT.Fields[J].Offset < FT.Fields[K].Offset)) then
454 begin
455 I := J;
456 Inc(J);
457 end
458 else
459 begin
460 I := K;
461 Inc(K);
462 end;
463 {$ELSE}
464 I := L;
465 {$ENDIF}
466 if FT.Fields[I].Offset > Offset then
467 Move(Pointer(PByte(Source) + Offset)^,
468 Pointer(PByte(Dest) + Offset)^,
469 FT.Fields[I].Offset - Offset);
470 Offset := FT.Fields[I].Offset;
471 FTypeInfo := FT.Fields[I].TypeInfo^;
472 DestOff := Pointer(PByte(Dest) + Offset);
473 SrcOff := Pointer(PByte(Source) + Offset);
474 case FTypeInfo.Kind of
475 {$IFDEF WEAKREF}
476 tkMethod:
477 begin
478 _CopyClosure(PMethod(DestOff)^, PMethod(SrcOff)^);
479 Inc(Offset, SizeOf(TMethod));
480 end;
481 {$ENDIF}
482 {$IFDEF AUTOREFCOUNT}
483 tkClass:
484 begin
485 {$IFDEF WEAKINSTREF}
486 if I > J then
487 _InstWeakCopy(TObject(PPointer(DestOff)^),
488 TObject(PPointer(SrcOff)^))
489 else
490 {$ENDIF}
491 _InstCopy(TObject(PPointer(DestOff)^), TObject(PPointer(SrcOff)^));
492 Inc(Offset, SizeOf(Pointer));
493 end;
494 {$ENDIF}
495 tkLString:
496 begin
497 _LStrAsg(_PAnsiStr(DestOff)^, _PAnsiStr(SrcOff)^);
498 Inc(Offset, SizeOf(Pointer));
499 end;
500 tkWString:
501 begin
502 _WStrAsg(_PWideStr(DestOff)^, _PWideStr(SrcOff)^);
503 Inc(Offset, SizeOf(Pointer));
504 end;
505 tkUString:
506 begin
507 _UStrAsg(PUnicodeString(DestOff)^, PUnicodeString(SrcOff)^);
508 Inc(Offset, SizeOf(Pointer));
509 end;
510 tkVariant:
511 begin
512 _VarCopy(PVarData(DestOff)^, PVarData(SrcOff)^);
513 Inc(Offset, SizeOf(TVarData));
514 end;
515 tkArray:
516 begin
517 EFT :=
518 PFieldTable(PByte(FTypeInfo) + Byte(PTypeInfo(FTypeInfo).Name[0]));
519 _CopyArray(DestOff, SrcOff, EFT.Fields[0].TypeInfo^, EFT.Count);
520 Inc(Offset, EFT.Size);
521 end;
522 tkRecord:
523 begin
524 EFT :=
525 PFieldTable(PByte(FTypeInfo) + Byte(PTypeInfo(FTypeInfo).Name[0]));
526 _CopyRecord(DestOff, SrcOff, FTypeInfo);
527
528 Inc(Offset, EFT.Size);
529 end;
530 tkInterface:
531 begin
532 {$IFDEF WEAKINTFREF}
533 if I > J then
534 _IntfWeakCopy(IInterface(PPointer(DestOff)^),
535 IInterface(PPointer(SrcOff)^))
536 else
537 {$ENDIF}
538 _IntfCopy(IInterface(PPointer(DestOff)^),
539 IInterface(PPointer(SrcOff)^));
540 Inc(Offset, SizeOf(Pointer));
541 end;
542 tkDynArray:
543 begin
544 _DynArrayAsg(PPointer(DestOff)^, PPointer(SrcOff)^, FTypeInfo);
545 Inc(Offset, SizeOf(Pointer));
546 end;
547 else
548 Error(reInvalidPtr);
549 end;
550 end;
551 end;
552 if FT.Size > Offset then
553 Move(Pointer(PByte(Source) + Offset)^,
554 Pointer(PByte(Dest) + Offset)^,
555 FT.Size - Offset);
556 end;
557
558 procedure _CopyObject(Dest, Source : Pointer; vmtPtrOffs : NativeInt; TypeInfo : Pointer);
559 var
560 SavedVmtPtr : Pointer;
561 begin
562 SavedVmtPtr := PPointer(PByte(Dest) + vmtPtrOffs)^;
563 _CopyRecord(Dest, Source, TypeInfo);
564 PPointer(PByte(Dest) + vmtPtrOffs)^ := SavedVmtPtr;
565 end;
566
567 procedure _CopyArray(Dest, Source, TypeInfo : Pointer; Count : NativeUInt);
568 var
569 FT : PFieldTable;
570 begin
571 if Count = 0 then
572 Exit;
573 case PTypeInfo(TypeInfo).Kind of
574 {$IFDEF WEAKREF}
575 tkMethod:
576 while Count > 0 do
577 begin
578 _CopyClosure(PMethod(Dest)^, PMethod(Source)^);
579 Inc(PByte(Dest), SizeOf(TMethod));
580 Inc(PByte(Source), SizeOf(TMethod));
581 Dec(Count);
582 end;
583 {$ENDIF}
584 {$IFDEF AUTOREFCOUNT}
585 tkClass:
586 while Count > 0 do
587 begin
588 _InstCopy(TObject(PPointer(Dest)^), TObject(PPointer(Source)^));
589 Inc(PByte(Dest), SizeOf(Pointer));
590 Inc(PByte(Source), SizeOf(Pointer));
591 Dec(Count);
592 end;
593 {$ENDIF}
594 tkLString:
595 while Count > 0 do
596 begin
597 _LStrAsg(_PAnsiStr(Dest)^, _PAnsiStr(Source)^);
598 Inc(PByte(Dest), SizeOf(Pointer));
599 Inc(PByte(Source), SizeOf(Pointer));
600 Dec(Count);
601 end;
602 tkWString:
603 while Count > 0 do
604 begin
605 _WStrAsg(_PWideStr(Dest)^, _PWideStr(Source)^);
606 Inc(PByte(Dest), SizeOf(Pointer));
607 Inc(PByte(Source), SizeOf(Pointer));
608 Dec(Count);
609 end;
610 tkUString:
611 while Count > 0 do
612 begin
613 _UStrAsg(PUnicodeString(Dest)^, PUnicodeString(Source)^);
614 Inc(PByte(Dest), SizeOf(Pointer));
615 Inc(PByte(Source), SizeOf(Pointer));
616 Dec(Count);
617 end;
618 tkVariant:
619 while Count > 0 do
620 begin
621 _VarCopy(PVarData(Dest)^, PVarData(Source)^);
622 Inc(PByte(Dest), SizeOf(TVarData));
623 Inc(PByte(Source), SizeOf(TVarData));
624 Dec(Count);
625 end;
626 tkArray:
627 begin
628 FT := PFieldTable(PByte(TypeInfo) + Byte(PTypeInfo(TypeInfo).Name[0]));
629 while Count > 0 do
630 begin
631 _CopyArray(Pointer(Dest), Pointer(Source),
632 FT.Fields[0].TypeInfo^, FT.Count);
633 Inc(PByte(Dest), FT.Size);
634 Inc(PByte(Source), FT.Size);
635 Dec(Count);
636 end;
637 end;
638 tkRecord:
639 begin
640 FT := PFieldTable(PByte(TypeInfo) + Byte(PTypeInfo(TypeInfo).Name[0]));
641 while Count > 0 do
642 begin
643 _CopyRecord(Dest, Source, TypeInfo);
644 Inc(PByte(Dest), FT.Size);
645 Inc(PByte(Source), FT.Size);
646 Dec(Count);
647 end;
648 end;
649 tkInterface:
650 while Count > 0 do
651 begin
652 _IntfCopy(IInterface(PPointer(Dest)^), IInterface(PPointer(Source)^));
653 Inc(PByte(Dest), SizeOf(Pointer));
654 Inc(PByte(Source), SizeOf(Pointer));
655 Dec(Count);
656 end;
657 tkDynArray:
658 while Count > 0 do
659 begin
660 _DynArrayAsg(PPointer(Dest)^, PPointer(Source)^, TypeInfo);
661 Inc(PByte(Dest), SizeOf(Pointer));
662 Inc(PByte(Source), SizeOf(Pointer));
663 Dec(Count);
664 end;
665 else
666 Error(reInvalidPtr);
667 end;
668 end;
669
670 procedure CopyArray(Dest, Source, TypeInfo : Pointer; Count : NativeInt);
671 begin
672 if Count > 0 then
673 _CopyArray(Dest, Source, TypeInfo, Count);
674 end;
675
676 procedure InitializeArray(p : Pointer; typeInfo : Pointer; elemCount : NativeUInt);
677 begin
678 _InitializeArray(p, typeInfo, elemCount);
679 end;
680
681 procedure FinalizeArray(P, TypeInfo : Pointer; Count : NativeUInt);
682 begin
683 _FinalizeArray(P, TypeInfo, Count);
684 end;
685
686 procedure _Initialize(p : Pointer; typeInfo : Pointer);
687 begin
688 _InitializeArray(p, typeInfo, 1);
689 end;
690
691 function _Finalize(p : Pointer; typeInfo : Pointer): Pointer;
692 begin
693 Result := _FinalizeArray(p, typeInfo, 1);
694 end;
695
696 function _New(Size : NativeInt; TypeInfo : Pointer): Pointer;
697 begin
698 GetMem(Result, Size);
699 if Result <> nil then
700 _Initialize(Result, TypeInfo);
701 end;
702
703 procedure _Dispose(P : Pointer; TypeInfo : Pointer);
704 begin
705 _Finalize(P, TypeInfo);
706 FreeMem(P);
707 end;
时间： 2024-11-05 21:38:05