mirror of
https://gitlab.com/freepascal.org/lazarus/lazarus.git
synced 2025-07-22 11:06:01 +02:00
FpDebug: flatten intrinsic, option to handle arrays
This commit is contained in:
Martin
parent
c238c026d1
commit
25c65cfd8b
@ -2618,7 +2618,7 @@ var
|
||||
Seen: TAddrSeenList;
|
||||
HighParam: integer;
|
||||
ShowNil, ShowNoMember, ShowRecurse, ShowSeen, ShowErrAny, DerefPtr: Boolean;
|
||||
MaxCnt: integer;
|
||||
MaxCnt, ExpandArrayDepth: integer;
|
||||
TpSym: TFpSymbol;
|
||||
CacheKey: TFpPascalExpressionCacheFlattenKey;
|
||||
|
||||
@ -2631,15 +2631,124 @@ var
|
||||
E.ReleaseReference
|
||||
end;
|
||||
|
||||
function FlattenRecurse(ACurrentVal: TFpValue): boolean; forward;
|
||||
function FlattenArray(ACurrentVal: TFpValue; AnExpandDepth: integer): boolean; forward;
|
||||
|
||||
function AddFlatValue(ACurrentVal: TFpValue; AnExpandDepth: integer): boolean;
|
||||
var
|
||||
s, ResIdx, SeenIdx, ValIdx: Integer;
|
||||
PrevVal, TmpAutoDereVal: TFpValue;
|
||||
DA: TFpDbgMemLocation;
|
||||
r, DoExpArray: Boolean;
|
||||
begin
|
||||
Result := True;
|
||||
if DerefPtr and (ACurrentVal.Kind = skPointer) and
|
||||
(ACurrentVal.TypeInfo <> nil) and (ACurrentVal.TypeInfo.TypeInfo <> nil) and
|
||||
(ACurrentVal.TypeInfo.TypeInfo.Kind in [skClass, skInterface, skRecord, skObject])
|
||||
then begin
|
||||
if (svfDataAddress in ACurrentVal.FieldFlags) and (IsReadableLoc(ACurrentVal.DerefAddress)) and // TODO, what if Not readable addr
|
||||
(ACurrentVal.TypeInfo <> nil) //and (ACurrentVal.TypeInfo.TypeInfo <> nil)
|
||||
then begin
|
||||
TmpAutoDereVal := ACurrentVal.Member[0];
|
||||
if TmpAutoDereVal <> nil then begin
|
||||
ACurrentVal.ReleaseReference;
|
||||
ACurrentVal := TmpAutoDereVal;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
DA := ACurrentVal.DataAddress;
|
||||
if (not ShowNil) and IsNilLoc(DA) then begin
|
||||
ReleaseRefAndNil(ACurrentVal);
|
||||
exit;
|
||||
end;
|
||||
|
||||
DoExpArray := (AnExpandDepth > 0) and (ACurrentVal.Kind = skArray);
|
||||
|
||||
if IsReadableLoc(DA) then begin
|
||||
SeenIdx := Seen.IndexOf(DA);
|
||||
if (SeenIdx >= 0) then begin
|
||||
ValIdx := Seen.Data[SeenIdx];
|
||||
if (not DoExpArray) and (not (ACurrentVal.Kind in [skClass, skInterface])) then begin
|
||||
PrevVal := TFpValue(Res.FList[ValIdx]);
|
||||
if (ACurrentVal.TypeInfo = nil) or (PrevVal.TypeInfo = nil) or
|
||||
(not ACurrentVal.TypeInfo.IsEqual(PrevVal.TypeInfo))
|
||||
then
|
||||
SeenIdx := -1;
|
||||
end;
|
||||
if (SeenIdx >= 0) then begin
|
||||
if ShowRecurse and (ValIdx >= 0) then begin
|
||||
if DoExpArray then
|
||||
AddErrToList(CreateError(fpErrAnyError, [Format('Recursion detected for array at member: %s (At Index %d)', [FFlattenMemberName, ValIdx])]))
|
||||
else
|
||||
AddErrToList(CreateError(fpErrAnyError, [Format('Recursion detected for member: %s (At Index %d)', [FFlattenMemberName, ValIdx])]));
|
||||
end
|
||||
else
|
||||
if ShowSeen then begin
|
||||
if ValIdx < 0 then ValIdx := -(ValIdx + 1);
|
||||
if DoExpArray then
|
||||
AddErrToList(CreateError(fpErrAnyError, [Format('Array for member already shown: %s (At Index %d)', [FFlattenMemberName, ValIdx])]))
|
||||
else
|
||||
AddErrToList(CreateError(fpErrAnyError, [Format('Member already shown: %s (At Index %d)', [FFlattenMemberName, ValIdx])]));
|
||||
end;
|
||||
ReleaseRefAndNil(ACurrentVal);
|
||||
exit;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
if not DoExpArray then begin
|
||||
ResIdx := Res.FList.Add(ACurrentVal);
|
||||
if (ACurrentVal.TypeInfo = nil) or (not ACurrentVal.TypeInfo.IsEqual(TpSym)) then
|
||||
Res.Flags := Res.Flags + [vfArrayOfVariant];
|
||||
|
||||
if not IsReadableLoc(DA) then begin
|
||||
ReleaseRefAndNil(ACurrentVal);
|
||||
exit;
|
||||
end;
|
||||
end
|
||||
else
|
||||
ResIdx := Res.FList.Count; // the index for the firs element of the array (if any)
|
||||
|
||||
s := Seen.Add(DA, ResIdx);
|
||||
if DoExpArray then
|
||||
Result := FlattenArray(ACurrentVal, AnExpandDepth)
|
||||
else
|
||||
Result := FlattenRecurse(ACurrentVal);
|
||||
|
||||
ReleaseRefAndNil(ACurrentVal);
|
||||
if ShowSeen then
|
||||
Seen.Data[s] := -1-ResIdx
|
||||
else
|
||||
Seen.Delete(s);
|
||||
end;
|
||||
|
||||
function FlattenArray(ACurrentVal: TFpValue; AnExpandDepth: integer): boolean;
|
||||
var
|
||||
Idx: Integer;
|
||||
TmpNew: TFpValue;
|
||||
begin
|
||||
for Idx := 0 to ACurrentVal.MemberCount - 1 do begin
|
||||
if Res.FList.Count >= MaxCnt then
|
||||
exit(False);
|
||||
TmpNew := ACurrentVal.Member[Idx];
|
||||
Result := AddFlatValue(TmpNew, Max(0, AnExpandDepth-1));
|
||||
if not Result then
|
||||
exit;
|
||||
end;
|
||||
Result := True;
|
||||
end;
|
||||
|
||||
function FlattenRecurse(ACurrentVal: TFpValue): boolean;
|
||||
var
|
||||
i, s, ResIdx, SeenIdx, ValIdx: Integer;
|
||||
OrigVal, AutoDereVal, TmpNew, PrevVal, TmpAutoDereVal: TFpValue;
|
||||
DA: TFpDbgMemLocation;
|
||||
r: Boolean;
|
||||
i: Integer;
|
||||
OrigVal, AutoDereVal, TmpNew: TFpValue;
|
||||
Expr: TFpPascalExpressionPart;
|
||||
r: Boolean;
|
||||
begin
|
||||
Result := False;
|
||||
Result := True;
|
||||
if HighParam < 2 then
|
||||
exit;
|
||||
|
||||
AutoDereVal := nil;
|
||||
OrigVal := ACurrentVal;
|
||||
@ -2707,73 +2816,9 @@ var
|
||||
if TmpNew = nil then
|
||||
Continue;
|
||||
|
||||
if DerefPtr and (TmpNew.Kind = skPointer) and
|
||||
(TmpNew.TypeInfo <> nil) and (TmpNew.TypeInfo.TypeInfo <> nil) and
|
||||
(TmpNew.TypeInfo.TypeInfo.Kind in [skClass, skInterface, skRecord, skObject])
|
||||
then begin
|
||||
if (svfDataAddress in TmpNew.FieldFlags) and (IsReadableLoc(TmpNew.DerefAddress)) and // TODO, what if Not readable addr
|
||||
(TmpNew.TypeInfo <> nil) //and (TmpNew.TypeInfo.TypeInfo <> nil)
|
||||
then begin
|
||||
TmpAutoDereVal := TmpNew.Member[0];
|
||||
if TmpAutoDereVal <> nil then begin
|
||||
TmpNew.ReleaseReference;
|
||||
TmpNew := TmpAutoDereVal;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
DA := TmpNew.DataAddress;
|
||||
if (not ShowNil) and IsNilLoc(DA) then begin
|
||||
ReleaseRefAndNil(TmpNew);
|
||||
continue;
|
||||
end;
|
||||
|
||||
if IsReadableLoc(DA) then begin
|
||||
SeenIdx := Seen.IndexOf(DA);
|
||||
if (SeenIdx >= 0) then begin
|
||||
ValIdx := Seen.Data[SeenIdx];
|
||||
if not (TmpNew.Kind in [skClass, skInterface]) then begin
|
||||
PrevVal := TFpValue(Res.FList[ValIdx]);
|
||||
if (TmpNew.TypeInfo = nil) or (PrevVal.TypeInfo = nil) or
|
||||
(not TmpNew.TypeInfo.IsEqual(PrevVal.TypeInfo))
|
||||
then
|
||||
SeenIdx := -1;
|
||||
end;
|
||||
if (SeenIdx >= 0) then begin
|
||||
if ShowRecurse and (ValIdx >= 0) then begin
|
||||
AddErrToList(CreateError(fpErrAnyError, [Format('Recursion detected for member: %s (At Index %d)', [FFlattenMemberName, ValIdx])]));
|
||||
end
|
||||
else
|
||||
if ShowSeen then begin
|
||||
if ValIdx < 0 then ValIdx := -(ValIdx + 1);
|
||||
AddErrToList(CreateError(fpErrAnyError, [Format('Member already shown: %s (At Index %d)', [FFlattenMemberName, ValIdx])]));
|
||||
end;
|
||||
ReleaseRefAndNil(TmpNew);
|
||||
Continue;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
|
||||
ResIdx := Res.FList.Add(TmpNew);
|
||||
if (TmpNew.TypeInfo = nil) or (not TmpNew.TypeInfo.IsEqual(TpSym)) then
|
||||
Res.Flags := Res.Flags + [vfArrayOfVariant];
|
||||
|
||||
|
||||
if not IsReadableLoc(DA) then begin
|
||||
ReleaseRefAndNil(TmpNew);
|
||||
continue;
|
||||
end;
|
||||
|
||||
s := Seen.Add(DA, ResIdx);
|
||||
r := FlattenRecurse(TmpNew);
|
||||
ReleaseRefAndNil(TmpNew);
|
||||
if ShowSeen then
|
||||
Seen.Data[s] := -1-ResIdx
|
||||
else
|
||||
Seen.Delete(s);
|
||||
|
||||
r := AddFlatValue(TmpNew, ExpandArrayDepth);
|
||||
if not r then
|
||||
exit;
|
||||
exit(False);
|
||||
end;
|
||||
|
||||
end;
|
||||
@ -2791,7 +2836,7 @@ var
|
||||
end;
|
||||
|
||||
var
|
||||
TmpVal: TFpValue;
|
||||
FirstVal: TFpValue;
|
||||
DA: TFpDbgMemLocation;
|
||||
LastParam, Itm: TFpPascalExpressionPart;
|
||||
OptSet: TFpPascalExpressionPartBracketSet absolute LastParam;
|
||||
@ -2802,10 +2847,13 @@ var
|
||||
ListCache: TFpPascalExpressionCacheFlatten;
|
||||
begin
|
||||
Result := nil;
|
||||
if not CheckArgumentCount(AParams, 2, 999) then
|
||||
if not CheckArgumentCount(AParams, 1, 999) then
|
||||
exit;
|
||||
|
||||
if not GetArg(AParams, 1, TmpVal, 'Value required') then exit;
|
||||
if not GetArg(AParams, 1, FirstVal, 'Value required') then exit;
|
||||
|
||||
if (FirstVal.Kind <> skArray) and (not CheckArgumentCount(AParams, 2, 999)) then
|
||||
exit;
|
||||
|
||||
ListCache := nil;
|
||||
if (FExpression.GlobalCache <> nil) then begin
|
||||
@ -2831,66 +2879,77 @@ begin
|
||||
ShowSeen := True;
|
||||
ShowErrAny := True;
|
||||
DerefPtr := True;
|
||||
ExpandArrayDepth := 0;
|
||||
MaxCnt := 1000;
|
||||
CustomMaxCnt := False;
|
||||
|
||||
HighParam := AParams.Count - 1;
|
||||
LastParam := AParams.Items[HighParam];
|
||||
if HighParam > 0 then begin
|
||||
LastParam := AParams.Items[HighParam];
|
||||
|
||||
LastParamNeg := False;
|
||||
if (LastParam is TFpPascalExpressionPartOperatorUnaryPlusMinus) and
|
||||
(TFpPascalExpressionPartOperatorUnaryPlusMinus(LastParam).Count = 1) and
|
||||
(TFpPascalExpressionPartOperatorUnaryPlusMinus(LastParam).Items[0] is TFpPascalExpressionPartBracketSet)
|
||||
then begin
|
||||
LastParamNeg := LastParam.GetText = '-';
|
||||
LastParam := TFpPascalExpressionPartOperatorUnaryPlusMinus(LastParam).Items[0];
|
||||
end;
|
||||
|
||||
if LastParam is TFpPascalExpressionPartBracketSet then begin
|
||||
dec(HighParam);
|
||||
if HighParam < 2 then begin
|
||||
SetError('Not enough parameter');
|
||||
exit;
|
||||
LastParamNeg := False;
|
||||
if (LastParam is TFpPascalExpressionPartOperatorUnaryPlusMinus) and
|
||||
(TFpPascalExpressionPartOperatorUnaryPlusMinus(LastParam).Count = 1) and
|
||||
(TFpPascalExpressionPartOperatorUnaryPlusMinus(LastParam).Items[0] is TFpPascalExpressionPartBracketSet)
|
||||
then begin
|
||||
LastParamNeg := LastParam.GetText = '-';
|
||||
LastParam := TFpPascalExpressionPartOperatorUnaryPlusMinus(LastParam).Items[0];
|
||||
end;
|
||||
|
||||
ShowNil := LastParamNeg;
|
||||
ShowNoMember := LastParamNeg;
|
||||
ShowRecurse := LastParamNeg;
|
||||
ShowSeen := LastParamNeg;
|
||||
ShowErrAny := LastParamNeg;
|
||||
DerefPtr := LastParamNeg;
|
||||
if LastParam is TFpPascalExpressionPartBracketSet then begin
|
||||
if (FirstVal.Kind <> skArray) and (not CheckArgumentCount(AParams, 3, 999)) then
|
||||
exit;
|
||||
|
||||
for i := 0 to OptSet.Count - 1 do begin
|
||||
Itm := OptSet.Items[i];
|
||||
OName := '';
|
||||
OVal := True;
|
||||
if (Itm is TFpPascalExpressionPartIdentifier) then
|
||||
OName := Itm.GetText
|
||||
else
|
||||
if (Itm is TFpPascalExpressionPartOperatorCompare) and (Itm.GetText = '=') and
|
||||
(TFpPascalExpressionPartOperatorCompare(Itm).Count = 2) and
|
||||
(TFpPascalExpressionPartOperatorCompare(Itm).Items[1].ResultValue <> nil)
|
||||
then begin
|
||||
OName := TFpPascalExpressionPartOperatorCompare(Itm).Items[0].GetText;
|
||||
if LowerCase(OName)= 'max' then begin
|
||||
MaxCnt := TFpPascalExpressionPartOperatorCompare(Itm).Items[1].ResultValue.AsInteger;
|
||||
CustomMaxCnt := True;
|
||||
Continue;
|
||||
end;
|
||||
OVal := TFpPascalExpressionPartOperatorCompare(Itm).Items[1].ResultValue.AsBool;
|
||||
dec(HighParam);
|
||||
if HighParam < 2 then begin
|
||||
SetError('Not enough parameter');
|
||||
exit;
|
||||
end;
|
||||
|
||||
OVal := OVal xor LastParamNeg;
|
||||
case LowerCase(OName) of
|
||||
'nil': ShowNil := OVal;
|
||||
'field', 'fld': ShowNoMember := OVal;
|
||||
'loop', 'recurse': ShowRecurse := OVal;
|
||||
'seen', 'dup': ShowSeen := OVal;
|
||||
'err', 'error': ShowErrAny := OVal;
|
||||
'ptr', 'deref': DerefPtr := OVal;
|
||||
else begin
|
||||
SetError('Unknown flag: '+Itm.GetText);
|
||||
exit;
|
||||
ShowNil := LastParamNeg;
|
||||
ShowNoMember := LastParamNeg;
|
||||
ShowRecurse := LastParamNeg;
|
||||
ShowSeen := LastParamNeg;
|
||||
ShowErrAny := LastParamNeg;
|
||||
DerefPtr := LastParamNeg;
|
||||
|
||||
for i := 0 to OptSet.Count - 1 do begin
|
||||
Itm := OptSet.Items[i];
|
||||
OName := '';
|
||||
OVal := True;
|
||||
if (Itm is TFpPascalExpressionPartIdentifier) then
|
||||
OName := Itm.GetText
|
||||
else
|
||||
if (Itm is TFpPascalExpressionPartOperatorCompare) and (Itm.GetText = '=') and
|
||||
(TFpPascalExpressionPartOperatorCompare(Itm).Count = 2) and
|
||||
(TFpPascalExpressionPartOperatorCompare(Itm).Items[1].ResultValue <> nil)
|
||||
then begin
|
||||
OName := TFpPascalExpressionPartOperatorCompare(Itm).Items[0].GetText;
|
||||
if LowerCase(OName)= 'max' then begin
|
||||
MaxCnt := TFpPascalExpressionPartOperatorCompare(Itm).Items[1].ResultValue.AsInteger;
|
||||
CustomMaxCnt := True;
|
||||
Continue;
|
||||
end;
|
||||
if LowerCase(OName)= 'array' then begin
|
||||
ExpandArrayDepth := TFpPascalExpressionPartOperatorCompare(Itm).Items[1].ResultValue.AsInteger;
|
||||
Continue;
|
||||
end;
|
||||
OVal := TFpPascalExpressionPartOperatorCompare(Itm).Items[1].ResultValue.AsBool;
|
||||
end;
|
||||
|
||||
OVal := OVal xor LastParamNeg;
|
||||
case LowerCase(OName) of
|
||||
'nil': ShowNil := OVal;
|
||||
'field', 'fld': ShowNoMember := OVal;
|
||||
'loop', 'recurse': ShowRecurse := OVal;
|
||||
'seen', 'dup': ShowSeen := OVal;
|
||||
'err', 'error': ShowErrAny := OVal;
|
||||
'array': ExpandArrayDepth := 1;
|
||||
'ptr', 'deref': DerefPtr := OVal;
|
||||
else begin
|
||||
SetError('Unknown flag: '+Itm.GetText);
|
||||
exit;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
end;
|
||||
@ -2921,17 +2980,23 @@ begin
|
||||
Result := TFpValueFlatteArray.Create(0);
|
||||
Seen := TAddrSeenList.Create;
|
||||
Seen.Capacity := 256;
|
||||
TpSym := TmpVal.TypeInfo;
|
||||
TpSym := FirstVal.TypeInfo;
|
||||
try
|
||||
Res.FList.Add(TmpVal);
|
||||
DA := TmpVal.DataAddress;
|
||||
if not IsReadableLoc(DA) then
|
||||
exit;
|
||||
if IsError(Expression.Error) then
|
||||
exit;
|
||||
|
||||
DA := FirstVal.DataAddress;
|
||||
Seen.Add(DA);
|
||||
Res.FFullEvaluated := FlattenRecurse(TmpVal);
|
||||
|
||||
if (FirstVal.Kind = skArray) then begin
|
||||
FlattenArray(FirstVal, Max(1, ExpandArrayDepth));
|
||||
end
|
||||
else begin
|
||||
Res.FList.Add(FirstVal);
|
||||
if not IsReadableLoc(DA) then
|
||||
exit;
|
||||
if IsError(Expression.Error) then
|
||||
exit;
|
||||
|
||||
Res.FFullEvaluated := FlattenRecurse(FirstVal);
|
||||
end;
|
||||
finally
|
||||
Seen.Free;
|
||||
end;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user