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unit FpDebuggerResultData;
{$mode objfpc}{$H+}
interface
uses
Classes, SysUtils, FpWatchResultData, FpDbgInfo, FpdMemoryTools,
FpErrorMessages, DbgIntfBaseTypes, LazClasses, FpDebugValueConvertors,
FpDebugDebuggerBase, LazDebuggerIntf, LazDebuggerValueConverter;
type
{ TFpLazDbgWatchResultConvertor }
TFpLazDbgWatchResultConvertor = class(TFpWatchResultConvertor)
private
FDebugger: TFpDebugDebuggerBase;
FExpressionScope: TFpDbgSymbolScope;
FValConvList: ILazDbgValueConvertSelectorListIntf;
FValConfig: ILazDbgValueConvertSelectorIntf;
FExtraDephtLevelIsArray: Boolean; // defExtraDepth / RecurseCnt=-1
FExtraDephtLevelItemConv: TFpDbgValueConverter;
FLevelZeroKind: TDbgSymbolKind;
FLevelZeroArrayConv: TFpDbgValueConverter; // All itens in array have same type / optimize and keep converter
FInArray, FInNonConvert: Boolean;
FMaxTotalConv, FMaxArrayConv, FCurMaxArrayConv: Integer;
FNoConvert: Boolean;
function GetValConv(AnFpValue: TFpValue; IgnoreInstanceClass: boolean = False): TFpDbgValueConverter; inline;
procedure SetMaxArrayConv(AValue: Integer);
procedure SetMaxTotalConv(AValue: Integer);
public
destructor Destroy; override;
function DoValueToResData(AnFpValue: TFpValue;
AnResData: IDbgWatchDataIntf): Boolean; override;
property ValConvList: ILazDbgValueConvertSelectorListIntf read FValConvList write FValConvList;
property ValConfig: ILazDbgValueConvertSelectorIntf read FValConfig write FValConfig;
property Debugger: TFpDebugDebuggerBase read FDebugger write FDebugger;
property ExpressionScope: TFpDbgSymbolScope read FExpressionScope write FExpressionScope;
property MaxArrayConv: Integer read FMaxArrayConv write SetMaxArrayConv;
property MaxTotalConv: Integer read FMaxTotalConv write SetMaxTotalConv;
end;
implementation
{ TFpLazDbgWatchResultConvertor }
function TFpLazDbgWatchResultConvertor.GetValConv(AnFpValue: TFpValue;
IgnoreInstanceClass: boolean): TFpDbgValueConverter;
var
i, c: Integer;
begin
Result := nil;
if (FNoConvert) or
(FInArray and (FMaxArrayConv <= 0))
then
exit;
if (ValConfig <> nil) then begin
if ValConfig.CheckMatch(AnFpValue, IgnoreInstanceClass) then
Result := ValConfig.GetConverter.GetObject as TFpDbgValueConverter;
if Result <> nil then
Result.AddReference;
end
else
if (ValConvList <> nil) then begin
ValConvList.Lock;
try
i := 0;
c := ValConvList.Count;
while (i < c) and (not ValConvList[i].CheckMatch(AnFpValue, IgnoreInstanceClass)) do
inc(i);
if i < c then
Result := ValConvList[i].GetConverter.GetObject as TFpDbgValueConverter;
if Result <> nil then
Result.AddReference;
finally
ValConvList.Unlock;
end;
end;
end;
procedure TFpLazDbgWatchResultConvertor.SetMaxArrayConv(AValue: Integer);
begin
if FMaxArrayConv = AValue then Exit;
FMaxArrayConv := AValue;
FCurMaxArrayConv := AValue;
end;
procedure TFpLazDbgWatchResultConvertor.SetMaxTotalConv(AValue: Integer);
begin
if FMaxTotalConv = AValue then Exit;
FMaxTotalConv := AValue;
FNoConvert := FMaxTotalConv <= 0;
end;
destructor TFpLazDbgWatchResultConvertor.Destroy;
begin
inherited Destroy;
FExtraDephtLevelItemConv.ReleaseReference;
FLevelZeroArrayConv.ReleaseReference;
end;
function TFpLazDbgWatchResultConvertor.DoValueToResData(AnFpValue: TFpValue;
AnResData: IDbgWatchDataIntf): Boolean;
var
NewFpVal: TFpValue;
CurConv: TFpDbgValueConverter;
AnResFld, AnResFld2: IDbgWatchDataIntf;
WasInArray, WasInNonConvert: Boolean;
begin
Result := False;
if (RecurseCnt = -1) and (AnFpValue.Kind in [skArray]) then
FExtraDephtLevelIsArray := True;
if RecurseCnt = 0 then begin
FLevelZeroKind := AnFpValue.Kind;
FCurMaxArrayConv := FMaxArrayConv;
if not FExtraDephtLevelIsArray then
ReleaseRefAndNil(FLevelZeroArrayConv);
end;
WasInArray := FInArray;
WasInNonConvert := FInNonConvert;
if (RecurseCnt >= 0) and (AnFpValue.Kind in [skArray]) then
FInArray := True;
if not FInNonConvert then begin
CurConv := nil;
NewFpVal := nil;
try
if (RecurseCnt = 0) and (FExtraDephtLevelIsArray) then begin
if FExtraDephtLevelItemConv = nil then
FExtraDephtLevelItemConv := GetValConv(AnFpValue, RecurseCnt <> RecurseCntLow);
CurConv := FExtraDephtLevelItemConv;
if CurConv <> nil then
CurConv.AddReference;
end
else
if (RecurseCnt = 1) and (FLevelZeroKind = skArray) then begin
if FLevelZeroArrayConv = nil then
FLevelZeroArrayConv := GetValConv(AnFpValue, RecurseCnt <> RecurseCntLow);
CurConv := FLevelZeroArrayConv;
if CurConv <> nil then
CurConv.AddReference;
end
else begin
CurConv := GetValConv(AnFpValue, RecurseCnt <> RecurseCntLow);
end;
if (CurConv <> nil) and CurConv.CanHandleValue(AnFpValue, Debugger) then begin
AnResFld := AnResData.CreateValueHandlerResult(CurConv);
if (FMaxTotalConv <= 0) then
ReleaseRefAndNil(CurConv)
else
if CurConv.NeedConversionLimit then
dec(FMaxTotalConv);
if FInArray then begin
if (FCurMaxArrayConv <= 0) then
ReleaseRefAndNil(CurConv)
else
if CurConv.NeedConversionLimit then
dec(FCurMaxArrayConv);
end;
if (CurConv <> nil) then begin
FInNonConvert := True;
AnResFld2 := AnResFld;
NewFpVal := CurConv.ConvertValue(AnFpValue, Debugger, ExpressionScope, AnResFld2);
if AnResFld2 = AnResFld then begin
if NewFpVal <> nil then begin
Result := inherited DoValueToResData(NewFpVal, AnResFld);
end
else begin
if IsError(CurConv.LastErrror) then
AnResFld.CreateError(ErrorHandler.ErrorAsString(CurConv.LastErrror))
else
AnResFld.CreateError('Conversion failed');
Result := True;
end;
end
else
if (AnResFld2 <> nil) and (NewFpVal <> nil) then
Result := inherited DoValueToResData(NewFpVal, AnResFld2);
end
else
AnResFld.CreateError('');
AnResData := AnResData.SetDerefData;
end;
finally
CurConv.ReleaseReference;
NewFpVal.ReleaseReference;
end;
end;
if inherited DoValueToResData(AnFpValue, AnResData) then
Result := True;
FInArray := WasInArray;
FInNonConvert := WasInNonConvert;
end;
end.
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