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Added call stack functionality. Taken from #203 by Vizit0r, with fixes and cleanup. Does not yet display parameter values, nor does it return position information.

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This commit is contained in:
Martijn Laan 2019-08-15 08:13:39 +02:00
parent eff7823c09
commit 1f846a56c8
1 changed files with 77 additions and 1 deletions
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76
Source/uPSDebugger.pas
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@ -57,6 +57,8 @@ type
function GetProcParam(I: Cardinal): PIfVariant;
function GetCallStack(var Count: Cardinal): tbtString;
constructor Create;
destructor Destroy; override;
@ -500,6 +502,80 @@ begin
end;
end;
function TPSCustomDebugExec.GetCallStack(var Count: Cardinal): tbtString;
function GetProcIndex(Proc: TPSInternalProcRec): Cardinal;
var
I: Longint;
begin
for I := 0 to FProcs.Count -1 do
begin
if FProcs[I] = Proc then
begin
Result := I;
Exit;
end;
end;
Result := Cardinal(-1);
end;
function ParseParams(ParamList: TIfStringList; StackBase: Cardinal): tbtString;
var
I: Integer;
begin
Result := '';
if ParamList.Count > 0 then
for I := 0 to ParamList.Count do
if (ParamList.Items[I] = 'Result') or (ParamList.Items[I] = '') then
Continue
else
Result:= Result + ParamList.Items[I] + ': ' +
PSVariantToString(NewTPSVariantIFC(FStack[Cardinal(Longint(StackBase) - Longint(I) - 1)], False), '') + '; ';
Result := tbtString(String(Result).Remove(Length(Result)-2));
end;
var
StackBase: Cardinal;
DebugProc: PFunctionInfo;
Name: tbtString;
I: Integer;
begin
Result := ProcNames[GetProcIndex(FCurrProc)] + '(' +
ParseParams(GetCurrentProcParams, FCurrStackBase) + ')';
Count := 1;
StackBase := FCurrStackBase;
while StackBase > 0 do
begin
DebugProc := nil;
for I := 0 to FDebugDataForProcs.Count -1 do
if PFunctionInfo(FDebugDataForProcs[I])^.Func = PPSVariantReturnAddress(FStack[StackBase]).Addr.ProcNo then
begin
DebugProc := FDebugDataForProcs[I];
Break;
end;
I := GetProcIndex(PPSVariantReturnAddress(FStack[StackBase]).Addr.ProcNo);
if I <= 0 then
if Assigned(PPSVariantReturnAddress(FStack[StackBase]).Addr.ProcNo) then
Name := PPSVariantReturnAddress(FStack[StackBase]).Addr.ProcNo.ExportName
else
Exit
else
Name := ProcNames[I];
StackBase := PPSVariantReturnAddress(FStack[StackBase]).Addr.StackBase;
if Assigned(DebugProc) then
Result := Result + #13#10 + Name + '(' + ParseParams(DebugProc.FParamNames, StackBase) + ')'
else
Result := Result + #13#10 + Name + '(???)';
Inc(Count);
end;
end;
{ TPSDebugExec }
procedure TPSDebugExec.ClearDebug;
begin