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DBG: Fix a possible crash in debugger (history). Issue #0021901

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git-svn-id: trunk@37116 -
This commit is contained in:
martin 2012-04-30 21:24:36 +00:00
parent 5465d579a1
commit d403a03802
1 changed files with 24 additions and 6 deletions
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30
debugger/debugger.pp
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@ -2339,6 +2339,7 @@ type
FRequestsDone: TSnapshotManagerRequestedFlags;
FCurrentSnapshot: TSnapshot; // snapshot for current pause. Not yet in list
procedure SetActive(const AValue: Boolean);
procedure SetDebugger(AValue: TDebugger);
protected
FHistoryCapacity: Integer;
FHistoryIndex: Integer;
@ -2403,7 +2404,7 @@ type
property Watches: TWatchesMonitor read FWatches write FWatches;
property CallStack: TCallStackMonitor read FCallStack write SetCallStack;
property Threads: TThreadsMonitor read FThreads write FThreads;
property Debugger: TDebugger read FDebugger write FDebugger;
property Debugger: TDebugger read FDebugger write SetDebugger;
property UnitInfoProvider: TDebuggerUnitInfoProvider read FUnitInfoProvider write FUnitInfoProvider;
end;
{%endregion ^^^^^ Snapshots ^^^^^ }
@ -3665,6 +3666,13 @@ begin
then DoDebuggerIdle;
end;
procedure TSnapshotManager.SetDebugger(AValue: TDebugger);
begin
if FDebugger = AValue then Exit;
FDebugger := AValue;
FCurrentState := dsNone;
end;
procedure TSnapshotManager.DoCallStackChanged(Sender: TObject);
begin
if FForcedIdle then
@ -4060,7 +4068,9 @@ begin
if not(smrThreads in FRequestsDone) then begin
include(FRequestsDone, smrThreads);
FThreads.CurrentThreads.Count;
if (not Debugger.IsIdle) and (not AForce) then exit;
if (not(FCurrentState in [dsPause, dsInternalPause])) or
(Debugger = nil) or ( (not Debugger.IsIdle) and (not AForce) )
then exit;
if CurSnap <> FCurrentSnapshot then exit; // Debugger did "run" in between
end;
@ -4074,7 +4084,9 @@ begin
include(FRequestsDone, smrCallStack);
if k > 0
then FCallStack.CurrentCallStackList.EntriesForThreads[i].PrepareRange(0, Min(5, k));
if (not Debugger.IsIdle) and (not AForce) then exit;
if (not(FCurrentState in [dsPause, dsInternalPause])) or
(Debugger = nil) or ( (not Debugger.IsIdle) and (not AForce) )
then exit;
if CurSnap <> FCurrentSnapshot then exit; // Debugger did "run" in between
end
else
@ -4086,7 +4098,9 @@ begin
include(FRequestsDone, smrCallStackCnt);
i := FThreads.CurrentThreads.CurrentThreadId;
FCallStack.CurrentCallStackList.EntriesForThreads[i].Count;
if (not Debugger.IsIdle) and (not AForce) then exit;
if (not(FCurrentState in [dsPause, dsInternalPause])) or
(Debugger = nil) or ( (not Debugger.IsIdle) and (not AForce) )
then exit;
if CurSnap <> FCurrentSnapshot then exit; // Debugger did "run" in between
end;
@ -4095,7 +4109,9 @@ begin
i := FThreads.CurrentThreads.CurrentThreadId;
j := FCallStack.CurrentCallStackList.EntriesForThreads[i].CurrentIndex;
FLocals.CurrentLocalsList.Entries[i, j].Count;
if (not Debugger.IsIdle) and (not AForce) then exit;
if (not(FCurrentState in [dsPause, dsInternalPause])) or
(Debugger = nil) or ( (not Debugger.IsIdle) and (not AForce) )
then exit;
if CurSnap <> FCurrentSnapshot then exit; // Debugger did "run" in between
end;
@ -4105,7 +4121,9 @@ begin
j := FCallStack.CurrentCallStackList.EntriesForThreads[i].CurrentIndex;
w := FWatches.CurrentWatches;
for k := 0 to w.Count - 1 do w[k].Values[i, j].Value;
if (not Debugger.IsIdle) and (not AForce) then exit;
if (not(FCurrentState in [dsPause, dsInternalPause])) or
(Debugger = nil) or ( (not Debugger.IsIdle) and (not AForce) )
then exit;
if CurSnap <> FCurrentSnapshot then exit; // Debugger did "run" in between
end;
finally