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edf32cd5dc
- 39683, 39684, 39685, 39686 (rework of Interface Method RTTI) - 39687, 39688, 39689, 39690, 39709, 39710 (change of PPU version) git-svn-id: branches/fixes_3_2@39809 -
542 lines
16 KiB
PHP
542 lines
16 KiB
PHP
{
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This file is part of the Free Pascal run time library.
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Copyright (c) 1999-2000 by Michael Van Canneyt
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member of the Free Pascal development team
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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**********************************************************************}
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{ Run-Time type information routines }
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function RTTIArraySize(typeInfo: Pointer): SizeInt;
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begin
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{$ifdef VER3_0}
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typeInfo:=aligntoptr(typeInfo+2+PByte(typeInfo)[1]);
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{$else VER3_0}
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typeInfo:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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{$endif VER3_0}
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{$ifdef VER2_6}
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result:=PArrayInfo(typeInfo)^.Size*PArrayInfo(typeInfo)^.ElCount;
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{$else}
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result:=PArrayInfo(typeInfo)^.Size;
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{$endif}
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end;
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function RTTIRecordSize(typeInfo: Pointer): SizeInt;
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begin
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{$ifdef VER3_0}
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typeInfo:=aligntoptr(typeInfo+2+PByte(typeInfo)[1]);
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{$else VER3_0}
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typeInfo:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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{$endif VER3_0}
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{ for size field init table is compatible with rtti table }
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result:=PRecordInfoFull(typeInfo)^.Size;
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end;
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{$ifndef VER3_0}
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function RTTIRecordOp(typeInfo: Pointer; var initrtti: Pointer): PRecordInfoInit; inline;
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begin
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{ find init table and management operators }
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typeInfo:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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result:=typeInfo;
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{ check terminator, maybe we are already in init table }
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if Assigned(result^.Terminator) then
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begin
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{ point to more optimal initrtti }
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initrtti:=PRecordInfoFull(result)^.InitTable;
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{ and point to management operators in our init table }
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result:=aligntoqword(initrtti+2+PByte(initrtti)[1]);
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end
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end;
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{$else VER3_0}
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function RTTIRecordRttiInfoToInitInfo(typeInfo: Pointer): Pointer; inline;
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begin
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result:=typeInfo;
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{$ifndef VER3_0}
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{ find init table }
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typeInfo:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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{ check terminator, maybe we are already in init table }
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if Assigned(PRecordInfoInit(typeInfo)^.Terminator) then
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{ point to more optimal initrtti }
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result:=PRecordInfoFull(typeInfo)^.InitTable;
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{$endif VER3_0}
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end;
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{$endif VER3_0}
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{$ifndef VER3_0}
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function RTTISizeAndOp(typeInfo: Pointer;
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const expectedManagementOp: TRTTIRecOpType; out hasManagementOp: boolean): SizeInt;
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begin
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hasManagementOp:=false;
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{$else VER3_0}
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function RTTISize(typeInfo: Pointer): SizeInt;
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begin
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{$endif VER3_0}
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case PTypeKind(typeinfo)^ of
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tkAString,tkWString,tkUString,
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tkInterface,tkDynarray:
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result:=sizeof(Pointer);
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{$ifdef FPC_HAS_FEATURE_VARIANTS}
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tkVariant:
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result:=sizeof(TVarData);
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{$endif FPC_HAS_FEATURE_VARIANTS}
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tkArray:
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result:=RTTIArraySize(typeinfo);
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{$ifndef VER3_0}
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tkObject:
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result:=RTTIRecordSize(typeinfo);
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tkRecord:
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with RTTIRecordOp(typeInfo,typeInfo)^ do
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begin
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result:=Size;
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hasManagementOp := Assigned(RecordOp);
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if hasManagementOp then
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case expectedManagementOp of
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rotInitialize: hasManagementOp:=Assigned(RecordOp^.Initialize);
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rotFinalize: hasManagementOp:=Assigned(RecordOp^.Finalize);
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rotAddRef: hasManagementOp:=Assigned(RecordOp^.AddRef);
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rotCopy: hasManagementOp:=Assigned(RecordOp^.Copy);
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end;
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end;
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{$else VER3_0}
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tkObject,tkRecord:
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result:=RTTIRecordSize(typeinfo);
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{$endif VER3_0}
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else
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result:=-1;
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end;
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end;
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{ if you modify this procedure, fpc_copy must be probably modified as well }
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procedure RecordRTTI(Data,TypeInfo:Pointer;rttiproc:TRTTIProc);
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var
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count,
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i : longint;
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begin
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{$ifdef VER3_0}
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typeInfo:=aligntoptr(typeInfo+2+PByte(typeInfo)[1]);
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{$else VER3_0}
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typeInfo:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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{$endif VER3_0}
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Count:=PRecordInfoInit(typeInfo)^.Count;
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Inc(PRecordInfoInit(typeInfo));
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{ Process elements }
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for i:=1 to count Do
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begin
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rttiproc(Data+PRecordElement(typeInfo)^.Offset,PRecordElement(typeInfo)^.TypeInfo{$ifndef VER3_0}^{$endif});
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Inc(PRecordElement(typeInfo));
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end;
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end;
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{$ifndef VER3_0}
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function RTTIRecordMopInitTable(ti: Pointer): PRTTIRecordOpOffsetTable;
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begin
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ti:=aligntoqword(ti+2+PByte(ti)[1]);
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Result:=PRecordInfoInit(ti)^.InitRecordOpTable;
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end;
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{$endif VER3_0}
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{ if you modify this procedure, fpc_copy must be probably modified as well }
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{$ifdef VER2_6}
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procedure ArrayRTTI(Data,TypeInfo:Pointer;rttiproc:TRTTIProc);
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var
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i: SizeInt;
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begin
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{$ifdef VER3_0}
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typeInfo:=aligntoptr(typeInfo+2+PByte(typeInfo)[1]);
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{$else VER3_0}
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typeInfo:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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{$endif VER3_0}
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{ Process elements }
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for I:=0 to PArrayInfo(typeInfo)^.ElCount-1 do
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rttiproc(Data+(I*PArrayInfo(typeInfo)^.Size),PArrayInfo(typeInfo)^.ElInfo);
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end;
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{$else}
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procedure ArrayRTTI(Data,TypeInfo:Pointer;rttiproc:TRTTIProc);
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var
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i,Count,ElSize: SizeInt;
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Info: Pointer;
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begin
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{$ifdef VER3_0}
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typeInfo:=aligntoptr(typeInfo+2+PByte(typeInfo)[1]);
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{$else VER3_0}
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typeInfo:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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{$endif VER3_0}
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Count:=PArrayInfo(typeInfo)^.ElCount;
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{ no elements to process => exit }
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if Count = 0 then
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Exit;
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ElSize:=PArrayInfo(typeInfo)^.Size div Count;
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Info:=PArrayInfo(typeInfo)^.ElInfo{$ifndef VER3_0}^{$endif};
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{ Process elements }
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for I:=0 to Count-1 do
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rttiproc(Data+(I*ElSize),Info);
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end;
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{$endif}
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Procedure fpc_Initialize (Data,TypeInfo : pointer);[Public,Alias : 'FPC_INITIALIZE']; compilerproc;
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begin
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case PTypeKind(TypeInfo)^ of
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{$ifdef FPC_HAS_FEATURE_DYNARRAYS}
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tkDynArray,
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{$endif FPC_HAS_FEATURE_DYNARRAYS}
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{$ifdef FPC_HAS_FEATURE_ANSISTRINGS}
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tkAstring,
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{$endif FPC_HAS_FEATURE_ANSISTRINGS}
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{$ifdef FPC_HAS_FEATURE_WIDESTRINGS}
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tkWstring,tkUString,
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{$endif FPC_HAS_FEATURE_WIDESTRINGS}
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tkInterface:
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PPchar(Data)^:=Nil;
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tkArray:
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arrayrtti(data,typeinfo,@int_initialize);
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{$ifdef FPC_HAS_FEATURE_OBJECTS}
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tkObject,
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{$endif FPC_HAS_FEATURE_OBJECTS}
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tkRecord:
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{$ifndef VER3_0}
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{ if possible try to use more optimal initrtti }
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with RTTIRecordOp(typeinfo, typeinfo)^ do
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begin
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recordrtti(data,typeinfo,@int_initialize);
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if Assigned(recordop) and Assigned(recordop^.Initialize) then
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recordop^.Initialize(data);
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end;
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{$else VER3_0}
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begin
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typeinfo:=RTTIRecordRttiInfoToInitInfo(typeinfo);
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recordrtti(data,typeinfo,@int_initialize);
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end;
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{$endif VER3_0}
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{$ifdef FPC_HAS_FEATURE_VARIANTS}
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tkVariant:
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variant_init(PVarData(Data)^);
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{$endif FPC_HAS_FEATURE_VARIANTS}
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end;
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end;
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Procedure fpc_finalize (Data,TypeInfo: Pointer);[Public,Alias : 'FPC_FINALIZE']; compilerproc;
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begin
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case PTypeKind(TypeInfo)^ of
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{$ifdef FPC_HAS_FEATURE_ANSISTRINGS}
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tkAstring :
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fpc_AnsiStr_Decr_Ref(PPointer(Data)^);
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{$endif FPC_HAS_FEATURE_ANSISTRINGS}
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{$ifdef FPC_HAS_FEATURE_WIDESTRINGS}
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tkUstring :
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fpc_UnicodeStr_Decr_Ref(PPointer(Data)^);
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{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
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tkWstring :
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fpc_WideStr_Decr_Ref(PPointer(Data)^);
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{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
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{$endif FPC_HAS_FEATURE_WIDESTRINGS}
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tkArray :
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arrayrtti(data,typeinfo,@int_finalize);
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{$ifdef FPC_HAS_FEATURE_OBJECTS}
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tkObject,
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{$endif FPC_HAS_FEATURE_OBJECTS}
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tkRecord:
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{$ifndef VER3_0}
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{ if possible try to use more optimal initrtti }
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with RTTIRecordOp(typeinfo, typeinfo)^ do
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begin
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if Assigned(recordop) and Assigned(recordop^.Finalize) then
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recordop^.Finalize(data);
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recordrtti(data,typeinfo,@int_finalize);
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end;
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{$else VER3_0}
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begin
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typeinfo:=RTTIRecordRttiInfoToInitInfo(typeinfo);
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recordrtti(data,typeinfo,@int_finalize);
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end;
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{$endif VER3_0}
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tkInterface:
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Intf_Decr_Ref(PPointer(Data)^);
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{$ifdef FPC_HAS_FEATURE_DYNARRAYS}
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tkDynArray:
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fpc_dynarray_clear(PPointer(Data)^,TypeInfo);
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{$endif FPC_HAS_FEATURE_DYNARRAYS}
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{$ifdef FPC_HAS_FEATURE_VARIANTS}
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tkVariant:
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variant_clear(PVarData(Data)^);
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{$endif FPC_HAS_FEATURE_VARIANTS}
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end;
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end;
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Procedure fpc_Addref (Data,TypeInfo : Pointer); [Public,alias : 'FPC_ADDREF']; compilerproc;
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begin
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case PTypeKind(TypeInfo)^ of
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{$ifdef FPC_HAS_FEATURE_ANSISTRINGS}
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tkAstring :
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fpc_AnsiStr_Incr_Ref(PPointer(Data)^);
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{$endif FPC_HAS_FEATURE_ANSISTRINGS}
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{$ifdef FPC_HAS_FEATURE_WIDESTRINGS}
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{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
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tkWstring :
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fpc_WideStr_Incr_Ref(PPointer(Data)^);
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{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
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tkUstring :
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fpc_UnicodeStr_Incr_Ref(PPointer(Data)^);
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{$endif FPC_HAS_FEATURE_WIDESTRINGS}
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tkArray :
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arrayrtti(data,typeinfo,@int_addref);
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{$ifdef FPC_HAS_FEATURE_OBJECTS}
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tkobject,
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{$endif FPC_HAS_FEATURE_OBJECTS}
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tkrecord :
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{$ifndef VER3_0}
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{ find init table }
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with RTTIRecordOp(typeinfo, typeinfo)^ do
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begin
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recordrtti(data,typeinfo,@int_addref);
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if Assigned(recordop) and Assigned(recordop^.AddRef) then
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recordop^.AddRef(Data);
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end;
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{$else VER3_0}
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begin
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typeinfo:=RTTIRecordRttiInfoToInitInfo(typeinfo);
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recordrtti(data,typeinfo,@int_addref);
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end;
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{$endif VER3_0}
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{$ifdef FPC_HAS_FEATURE_DYNARRAYS}
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tkDynArray:
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fpc_dynarray_incr_ref(PPointer(Data)^);
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{$endif FPC_HAS_FEATURE_DYNARRAYS}
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tkInterface:
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Intf_Incr_Ref(PPointer(Data)^);
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{$ifdef FPC_HAS_FEATURE_VARIANTS}
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tkVariant:
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variant_addref(pvardata(Data)^);
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{$endif FPC_HAS_FEATURE_DYNARRAYS}
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end;
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end;
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{ define alias for internal use in the system unit }
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Function fpc_Copy_internal (Src, Dest, TypeInfo : Pointer) : SizeInt;[external name 'FPC_COPY'];
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Function fpc_Copy (Src, Dest, TypeInfo : Pointer) : SizeInt;[Public,alias : 'FPC_COPY']; compilerproc;
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var
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Temp: pbyte;
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copiedsize,
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expectedoffset,
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count,
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offset,
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i: SizeInt;
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info: pointer;
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begin
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result:=sizeof(pointer);
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case PTypeKind(TypeInfo)^ of
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{$ifdef FPC_HAS_FEATURE_ANSISTRINGS}
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tkAstring:
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fpc_AnsiStr_Assign(PPointer(Dest)^,PPointer(Src)^);
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{$endif FPC_HAS_FEATURE_ANSISTRINGS}
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{$ifdef FPC_HAS_FEATURE_WIDESTRINGS}
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{$ifndef FPC_WIDESTRING_EQUAL_UNICODESTRING}
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tkWstring:
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fpc_WideStr_Assign(PPointer(Dest)^,PPointer(Src)^);
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{$endif FPC_WIDESTRING_EQUAL_UNICODESTRING}
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tkUstring:
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fpc_UnicodeStr_Assign(PPointer(Dest)^,PPointer(Src)^);
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{$endif FPC_HAS_FEATURE_WIDESTRINGS}
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tkArray:
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begin
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{$ifdef VER3_0}
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Temp:=aligntoptr(typeInfo+2+PByte(typeInfo)[1]);
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{$else VER3_0}
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Temp:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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{$endif VER3_0}
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{$ifdef VER2_6}
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{ Process elements }
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for I:=0 to PArrayInfo(Temp)^.ElCount-1 do
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fpc_Copy_internal(Src+(I*PArrayInfo(Temp)^.Size),Dest+(I*PArrayInfo(Temp)^.Size),PArrayInfo(Temp)^.ElInfo);
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Result:=PArrayInfo(Temp)^.Size*PArrayInfo(Temp)^.ElCount;
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{$else}
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Result:=PArrayInfo(Temp)^.Size;
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Count:=PArrayInfo(Temp)^.ElCount;
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{ no elements to process => exit }
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if Count = 0 then
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Exit;
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Info:=PArrayInfo(Temp)^.ElInfo{$ifndef VER3_0}^{$endif};
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copiedsize:=Result div Count;
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Offset:=0;
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{ Process elements }
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for I:=1 to Count do
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begin
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fpc_Copy_internal(Src+Offset,Dest+Offset,Info);
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inc(Offset,copiedsize);
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end;
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{$endif}
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end;
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{$ifdef FPC_HAS_FEATURE_OBJECTS}
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tkobject,
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{$endif FPC_HAS_FEATURE_OBJECTS}
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tkrecord:
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{$ifndef VER3_0}
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{ find init table }
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with RTTIRecordOp(typeinfo, typeinfo)^ do
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{$endif VER3_0}
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begin
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{$ifdef VER3_0}
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typeInfo:=RTTIRecordRttiInfoToInitInfo(typeInfo);
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Temp:=aligntoptr(typeInfo+2+PByte(typeInfo)[1]);
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{$else VER3_0}
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Temp:=aligntoqword(typeInfo+2+PByte(typeInfo)[1]);
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{$endif VER3_0}
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{$ifndef VER3_0}
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if Assigned(recordop) and Assigned(recordop^.Copy) then
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recordop^.Copy(Src,Dest)
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else
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begin
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Result:=Size;
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Inc(PRecordInfoInit(Temp));
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{$else VER3_0}
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Result:=PRecordInfoFull(Temp)^.Size;
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Count:=PRecordInfoFull(Temp)^.Count;
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Inc(PRecordInfoFull(Temp));
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{$endif VER3_0}
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expectedoffset:=0;
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{ Process elements with rtti }
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for i:=1 to Count Do
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begin
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Info:=PRecordElement(Temp)^.TypeInfo{$ifndef VER3_0}^{$endif};
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Offset:=PRecordElement(Temp)^.Offset;
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Inc(PRecordElement(Temp));
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if Offset>expectedoffset then
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move((Src+expectedoffset)^,(Dest+expectedoffset)^,Offset-expectedoffset);
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copiedsize:=fpc_Copy_internal(Src+Offset,Dest+Offset,Info);
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expectedoffset:=Offset+copiedsize;
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end;
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{ elements remaining? }
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if result>expectedoffset then
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move((Src+expectedoffset)^,(Dest+expectedoffset)^,Result-expectedoffset);
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{$ifndef VER3_0}
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end;
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{$endif VER3_0}
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end;
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{$ifdef FPC_HAS_FEATURE_DYNARRAYS}
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tkDynArray:
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fpc_dynarray_assign(PPointer(Dest)^,PPointer(Src)^,typeinfo);
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{$endif FPC_HAS_FEATURE_DYNARRAYS}
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tkInterface:
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fpc_intf_assign(PPointer(Dest)^,PPointer(Src)^);
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{$ifdef FPC_HAS_FEATURE_VARIANTS}
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tkVariant:
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begin
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VarCopyProc(pvardata(dest)^,pvardata(src)^);
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result:=sizeof(tvardata);
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end;
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{$endif FPC_HAS_FEATURE_VARIANTS}
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end;
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end;
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{ For internal use by the compiler, because otherwise $x- can cause trouble. }
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{ Generally disabling extended syntax checking for all compilerprocs may }
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{ have unintended side-effects }
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procedure fpc_Copy_proc (Src, Dest, TypeInfo : Pointer);compilerproc; inline;
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begin
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fpc_copy_internal(src,dest,typeinfo);
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end;
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procedure fpc_initialize_array(data,typeinfo : pointer;count : SizeInt); [public,alias:'FPC_INITIALIZE_ARRAY']; compilerproc;
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var
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i, size : SizeInt;
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{$ifndef VER3_0}
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hasManagementOp: boolean;
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begin
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size:=RTTISizeAndOp(typeinfo, rotInitialize, hasManagementOp);
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if (size>0) or hasManagementOp then
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{$else VER3_0}
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begin
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size:=RTTISize(typeInfo);
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if size>0 then
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{$endif VER3_0}
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for i:=0 to count-1 do
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int_initialize(data+size*i,typeinfo);
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end;
|
|
|
|
|
|
procedure fpc_finalize_array(data,typeinfo : pointer;count : SizeInt); [Public,Alias:'FPC_FINALIZE_ARRAY']; compilerproc;
|
|
var
|
|
i, size: SizeInt;
|
|
{$ifndef VER3_0}
|
|
hasManagementOp: boolean;
|
|
begin
|
|
size:=RTTISizeAndOp(typeinfo, rotFinalize, hasManagementOp);
|
|
if (size>0) or hasManagementOp then
|
|
{$else VER3_0}
|
|
begin
|
|
size:=RTTISize(typeInfo);
|
|
if size>0 then
|
|
{$endif VER3_0}
|
|
for i:=0 to count-1 do
|
|
int_finalize(data+size*i,typeinfo);
|
|
end;
|
|
|
|
|
|
procedure fpc_addref_array(data,typeinfo: pointer; count: SizeInt); [public,alias:'FPC_ADDREF_ARRAY']; compilerproc;
|
|
var
|
|
i, size: SizeInt;
|
|
{$ifndef VER3_0}
|
|
hasManagementOp: boolean;
|
|
begin
|
|
size:=RTTISizeAndOp(typeinfo, rotAddRef, hasManagementOp);
|
|
if (size>0) or hasManagementOp then
|
|
{$else VER3_0}
|
|
begin
|
|
size:=RTTISize(typeInfo);
|
|
if size>0 then
|
|
{$endif VER3_0}
|
|
for i:=0 to count-1 do
|
|
int_addref(data+size*i,typeinfo);
|
|
end;
|
|
|
|
{ The following two procedures are now obsolete, needed only for bootstrapping }
|
|
procedure fpc_decref (Data, TypeInfo : Pointer);[Public,alias : 'FPC_DECREF']; compilerproc;
|
|
begin
|
|
int_finalize(Data,TypeInfo);
|
|
end;
|
|
|
|
procedure fpc_decref_array(data,typeinfo: pointer; count: SizeInt); [public,alias:'FPC_DECREF_ARRAY']; compilerproc;
|
|
begin
|
|
int_finalizeArray(data,typeinfo,count);
|
|
end;
|
|
|
|
procedure InitializeArray(p, typeInfo: Pointer; count: SizeInt);
|
|
external name 'FPC_INITIALIZE_ARRAY';
|
|
|
|
procedure FinalizeArray(p, typeInfo: Pointer; count: SizeInt);
|
|
external name 'FPC_FINALIZE_ARRAY';
|
|
|
|
procedure CopyArray(dest, source, typeInfo: Pointer; count: SizeInt);
|
|
var
|
|
i, size: SizeInt;
|
|
{$ifndef VER3_0}
|
|
hasManagementOp: boolean;
|
|
begin
|
|
size:=RTTISizeAndOp(typeinfo, rotCopy, hasManagementOp);
|
|
if (size>0) or hasManagementOp then
|
|
{$else VER3_0}
|
|
begin
|
|
size:=RTTISize(typeInfo);
|
|
if size>0 then
|
|
{$endif VER3_0}
|
|
for i:=0 to count-1 do
|
|
fpc_Copy_internal(source+size*i, dest+size*i, typeInfo);
|
|
end;
|
|
|