StrClassName := MidStr (curLine, length(START_OF_CLASSNAME)+1, length(curline)+1)
Copy
和MidStr
出了什么问题?这只是Delphi 2007编译器的错误吗?还是较新版本也有这个问题?这里提供了FastMM报告的副本以及我应用程序显示此类报告的图像。为了在VirtualTreeView
中显示节点,我需要一种新的数据类型。我称之为TMemoryLeak。当解析报告时,我给我的TMemoryLeak
一个类名、调用堆栈、大小等等。但是当应用程序关闭并启动FastMM时,上面的复制行似乎会泄漏内存。我释放了堆栈、大小、整个对象,但是ClassName字段(一个字符串)总是会泄漏内存。更新(来自评论):以下是声明、构造函数和析构函数。至于生命周期-对象的析构函数在用于显示节点树的对象使用后立即调用。之后它们就过时了,被释放掉了(希望如此)。TMemoryLeak = class(TObject)
private
fID :integer;
fSize :integer;
fTotalSize :integer;
fCallStack :TStringList;
fClassName :string;
fRepeatedInstance:integer;
public
property ID :integer read fID write fID;
property TotalSize :Integer read fTotalSize write fTotalSize;
property Size :integer read fSize write fSize;
property CallStack :TStringList read fCallStack write fCallStack;
property ClassName :string read fClassName write fClassName;
property RepeatedInstance :integer read fRepeatedInstance write fRepeatedInstance;
class function Equal(xA: TMemoryLeak; xB: TMemoryLeak): Boolean;
procedure clear;
constructor create;
destructor destroy; override;
end;
TMemoryLeakList=class(TObjectList)
private
fSortType :TMlSortType;
fSortDirection :TMLSortDirection;
fTotalLeakSize :integer;
fClassName :string;
fRepeatedInstance :Integer;
fID :Integer;
function GetItem(Index: Integer): TMemoryLeak;
procedure SetItem(Index: Integer; const Value: TMemoryLeak);
public
property Items[Index: Integer]:TMemoryLeak read GetItem write SetItem; default;
property TotalLeakSize :integer read fTotalLeakSize write fTotalLeakSize;
property SortType :TMLSortType read fSortType write fSortType;
property SortDirection :TMLSortDirection read fSortDirection write fSortDirection;
property ClassName :string read fClassName write fClassName;
property RepeatedInstance :integer read fRepeatedInstance write fRepeatedInstance;
property ID :Integer read fID write fID;
function Add(AObject: TMemoryLeak): Integer;
procedure Clear();
procedure Sort;
constructor create;
destructor destroy; override;
end;
constructor TMemoryLeak.create;
begin
inherited;
fCallStack := TStringList.create;
fRepeatedInstance:=0;
end;
destructor TMemoryLeak.destroy;
begin
clear;
end;
procedure TMemoryLeak.clear;
begin
fCallStack.Clear;
end;
class function TMemoryLeak.Equal(xA, xB: TMemoryLeak): Boolean;
var i:Integer;
begin
Result:=False;
if xA.ClassName = xb.ClassName then
begin
if xA.size = xb.size then
begin
if xA.CallStack.Count = xB.CallStack.Count then
begin
for i := 0 to xa.CallStack.Count - 1 do
begin
if CompareStr(xA.CallStack[i], xB.CallStack[i]) <> 0 then
begin
break;
end;
end;
if i = xa.CallStack.Count then
Result:=True;
end
end
end
end;
{ TMemoryLeakList }
constructor TMemoryLeakList.create;
begin
inherited;
fSortType :=stID;
fSortDirection :=sdAsc;
fClassName :='';
fRepeatedInstance :=0;
end;
destructor TMemoryLeakList.destroy;
begin
Clear;
end;
procedure TMemoryLeakList.Clear;
var i : Integer;
begin
for i := 0 to Count - 1 do
Items[i].clear;
end;