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camemory.pas
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camemory.pas
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unit caMemory;
{$INCLUDE ca.inc}
interface
uses
Windows, TypInfo, SysUtils, Classes, Forms;
function MemListAsXML: String;
function MemObject(Index: Integer): TObject;
function MemObjectCount: Integer;
implementation
var
ObjList: array[0..65535] of Pointer;
FirstFree: Integer = -1;
function GetClassAttributes(PItem: Pointer; var AObjAddr, AObjClass, AObjName, AObjSize, AObjUnit: ShortString): Boolean;
var
IsClass: Boolean;
IsOwnedComponent: Boolean;
Item: TObject;
PropInfo: PPropInfo;
TypeData: PTypeData;
begin
Item := TObject(PItem);
try
IsClass := PTypeInfo(Item.ClassInfo).Kind = tkClass;
if IsClass then
begin
TypeData := GetTypeData(PTypeInfo(Item.ClassInfo));
IsOwnedComponent := False;
if Item is TComponent then
IsOwnedComponent := TComponent(Item).Owner <> nil;
if not IsOwnedComponent then
begin
PropInfo := GetPropInfo(PTypeInfo(Item.ClassInfo), 'Name');
AObjAddr := IntToHex(Cardinal(PItem), 8);
AObjName := 'NoName';
if PropInfo <> nil then
AObjName := GetStrProp(Item, PropInfo);
AObjClass := PTypeInfo(Item.ClassInfo).Name;
if AObjClass = 'TFont' then
AObjName := 'NoName';
AObjSize := IntToStr(TypeData.ClassType.InstanceSize);
AObjUnit := TypeData.UnitName;
end
else
IsClass := False;
end;
except
IsClass := False;
end;
Result := IsClass;
end;
function MemListAsXML: String;
const
CRLF = #13#10;
var
Index: Integer;
ObjAddr, ObjClass, ObjName, ObjSize, ObjUnit: ShortString;
begin
Result := '<MemList>' + CRLF;
for Index := 0 to FirstFree - 1 do
begin
if GetClassAttributes(ObjList[Index], ObjAddr, ObjClass, ObjName, ObjSize, ObjUnit) then
begin
Result := Result + ' <Object Name="' + ObjName + '" Class="' + ObjClass + '">' + CRLF;
Result := Result + ' <Address>' + ObjAddr + '</Address>' + CRLF;
Result := Result + ' <Size>' + ObjSize + '</Size>' + CRLF;
Result := Result + ' <Unit>' + ObjUnit + '</Unit>' + CRLF;
Result := Result + ' </Object>' + CRLF;
end;
end;
Result := Result + '</MemList>' + CRLF;
end;
procedure WriteMemListToLogFile;
var
LogFileName: ShortString;
LogFile: TextFile;
begin
LogFileName := ExtractFilePath(ParamStr(0));
AssignFile(LogFile, LogFileName + 'MemList.xml');
try
Rewrite(LogFile);
Write(LogFile, MemListAsXML);
finally
CloseFile(LogFile);
end;
end;
function MemObject(Index: Integer): TObject;
begin
Result := nil;
if Index < FirstFree then
Result := TObject(ObjList[Index]);
end;
function MemObjectCount: Integer;
begin
Result := FirstFree;
end;
procedure AddPointer(P: Pointer);
begin
if FirstFree >= Length(ObjList) then
MessageBox(0, 'ObjectList is full', 'caMemory', MB_OK)
else
begin
Inc(FirstFree);
ObjList[FirstFree] := P;
end;
end;
procedure DeletePointer(P: Pointer);
var
Index: Integer;
begin
for Index := 0 to FirstFree - 1 do
begin
if ObjList[Index] = P then
begin
Dec(FirstFree);
Move(ObjList[Index + 1], ObjList[Index], (FirstFree - Index) * SizeOf(Pointer));
Break;
end;
end;
end;
var
DefaultMemoryManager: TMemoryManager;
function EnhGetMem(Size: Integer): Pointer;
begin
Result := DefaultMemoryManager.GetMem(Size);
AddPointer(Result);
end;
function EnhFreeMem(P: Pointer): Integer;
begin
Result := DefaultMemoryManager.FreeMem(P);
DeletePointer(P);
end;
function EnhReallocMem(P: Pointer; Size: Integer): Pointer;
begin
Result := DefaultMemoryManager.ReallocMem(P, Size);
DeletePointer(P);
AddPointer(Result);
end;
var
EnhancedMemoryManager: TMemoryManager =
(GetMem: EnhGetMem;
FreeMem: EnhFreeMem;
ReallocMem: EnhReallocMem);
procedure InitializeMemoryManager;
begin
GetMemoryManager(DefaultMemoryManager);
SetMemoryManager(EnhancedMemoryManager);
end;
procedure FinalizeMemoryManager;
begin
SetMemoryManager(DefaultMemoryManager);
WriteMemListToLogFile;
end;
initialization
InitializeMemoryManager;
finalization
FinalizeMemoryManager;
end.