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pastojs: fixed mem leaks

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git-svn-id: trunk@39439 -
This commit is contained in:
Mattias Gaertner 2018-07-11 21:34:30 +00:00
parent c7e07a792c
commit b11c5943b0
3 changed files with 67 additions and 19 deletions
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1
packages/pastojs/src/fppas2js.pp
View File

@ -18545,7 +18545,6 @@ const
AssignSt.Expr:=FDS;
FD:=FDS.AFunction;
FD.Params.Add(EqualParamName);
FD.Body:=TJSFunctionBody(CreateElement(TJSFunctionBody,El));
// add "return "
RetSt:=TJSReturnStatement(CreateElement(TJSReturnStatement,El));
FD.Body.A:=RetSt;

1
packages/pastojs/src/pas2jsfilecache.pp
View File

@ -2097,6 +2097,7 @@ begin
l:=ms.Size-ms.Position;
if l>0 then
begin
s:='';
SetLength(s,l);
ms.Read(s[1],l);
end

84
packages/pastojs/src/pas2jsfiler.pp
View File

@ -563,6 +563,10 @@ type
end;
TPCUFilerElementRefArray = array of TPCUFilerElementRef;
TPCUFilerElementRef2 = class(TPCUFilerElementRef)
s: string;
end;
{ TPCUFiler - base class TPCUWriter/TPCUReader}
TPCUFiler = class
@ -1822,10 +1826,18 @@ begin
end;
function TPCUFiler.CreateElementRef(El: TPasElement): TPCUFilerElementRef;
var
Node: TAVLTreeNode;
begin
Result:=TPCUFilerElementRef.Create;
Result.Element:=El;
{$IFDEF MemCheck}
Node:=FElementRefs.Add(Result);
if Node<>FElementRefs.FindKey(El,@CompareElWithPCUFilerElementRef) then
RaiseMsg(20180711222046,El);
{$ELSE}
FElementRefs.Add(Result);
{$ENDIF}
end;
procedure TPCUFiler.AddedBuiltInRef(Ref: TPCUFilerElementRef);
@ -4063,7 +4075,8 @@ begin
if RefEl is TPasType then
begin
El.VarType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121809,El,GetObjName(RefEl));
@ -4076,7 +4089,8 @@ begin
if RefEl is TPasType then
begin
El.DestType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121801,El,GetObjName(RefEl));
@ -4090,7 +4104,8 @@ begin
if RefEl is TPasType then
begin
El.DestType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121757,El,GetObjName(RefEl));
@ -4104,7 +4119,8 @@ begin
if RefEl is TPasType then
begin
El.DestType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121750,El,GetObjName(RefEl));
@ -4117,7 +4133,8 @@ begin
if RefEl is TPasType then
begin
El.ElType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121732,El,GetObjName(RefEl));
@ -4130,7 +4147,8 @@ begin
if RefEl is TPasType then
begin
El.ElType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121726,El,GetObjName(RefEl));
@ -4143,7 +4161,8 @@ begin
if RefEl is TPasType then
begin
El.EnumType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121714,El,GetObjName(RefEl));
@ -4156,7 +4175,8 @@ begin
if RefEl is TPasRecordType then
begin
El.Members:=TPasRecordType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121657,El,GetObjName(RefEl));
@ -4170,7 +4190,8 @@ begin
if (RefEl is TPasType) or (RefEl.ClassType=TPasVariable) then
begin
El.VariantEl:=RefEl;
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180210205031,El,GetObjName(RefEl));
@ -4183,7 +4204,8 @@ begin
if RefEl is TPasType then
begin
El.ArgType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121643,El,GetObjName(RefEl));
@ -4251,7 +4273,8 @@ begin
if RefEl is TPasType then
begin
El.AncestorType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121632,El,GetObjName(RefEl));
@ -4265,7 +4288,8 @@ begin
if RefEl is TPasType then
begin
El.HelperForType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121612,El,GetObjName(RefEl));
@ -4279,7 +4303,8 @@ begin
if RefEl is TPasType then
begin
El.ResultType:=TPasType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180211121537,El,GetObjName(RefEl));
@ -4358,7 +4383,8 @@ begin
begin
Scope:=El.CustomData as TPasEnumTypeScope;
Scope.CanonicalSet:=TPasSetType(RefEl);
RefEl.AddRef;
if RefEl.Parent<>El then
RefEl.AddRef;
end
else
RaiseMsg(20180316215238,Scope.Element,GetObjName(RefEl));
@ -4555,6 +4581,9 @@ var
RefItem: TPCUFilerPendingElRef;
PendingElRef: TPCUReaderPendingElRef;
PendingElListRef: TPCUReaderPendingElListRef;
{$IF defined(VerbosePCUFiler) or defined(memcheck)}
Node: TAVLTreeNode;
{$ENDIF}
begin
if Id<=0 then
RaiseMsg(20180207151233,ErrorEl);
@ -4580,18 +4609,30 @@ begin
end
else
begin
Ref:=TPCUFilerElementRef.Create;
Ref:=TPCUFilerElementRef2.Create;
TPCUFilerElementRef2(Ref).s:=IntToStr(Id);
Ref.Id:=Id;
end;
{$IF defined(VerbosePCUFiler) or defined(memcheck)}
if FElementRefsArray[Id]<>nil then
RaiseMsg(20180711212859,ErrorEl,IntToStr(Id)+' is not FElementRefsArray[Id]');
{$ENDIF}
FElementRefsArray[Id]:=Ref;
end;
Result:=Ref;
if El=nil then exit;
if Ref.Element=nil then
if El=nil then
exit
else if Ref.Element=nil then
begin
Ref.Element:=El;
{$IF defined(VerbosePCUFiler) or defined(memcheck)}
Node:=FElementRefs.FindKey(El,@CompareElWithPCUFilerElementRef);
if Node<>nil then
RaiseMsg(20180711231646,El,GetObjName(TPCUFilerElementRef2(Node.Data).Element));
{$ENDIF}
FElementRefs.Add(Ref);
if Ref.Pending<>nil then
begin
// resolve pending references
@ -7520,13 +7561,19 @@ end;
destructor TPCUReader.Destroy;
begin
FreeAndNil(FJSON);
inherited Destroy;
FreeAndNil(FPendingIdentifierScopes);
FreeAndNil(FInitialFlags);
end;
procedure TPCUReader.Clear;
var
i: Integer;
begin
for i:=0 to length(FElementRefsArray)-1 do
if (FElementRefsArray[i]<>nil) and (FElementRefsArray[i].Element=nil) then
FElementRefsArray[i].Free;
FElementRefsArray:=nil;
FPendingIdentifierScopes.Clear;
inherited Clear;
@ -7543,6 +7590,7 @@ var
Count: Cardinal;
Src: TStream;
begin
FirstBytes:='';
SetLength(FirstBytes,4);
if aStream.Read(FirstBytes[1],4)<4 then
RaiseMsg(20180313232754,nil);