private int SetState(enum_BP_STATE state)
{
if (_state == enum_BP_STATE.BPS_ENABLED)
{
if (state == enum_BP_STATE.BPS_DISABLED || state == enum_BP_STATE.BPS_DELETED)
{
if (DebugBreakpoint != null)
{
DebugBreakpoint.BreakpointHit -= DebugBreakpoint_BreakpointHit;
if (Engine.IsConnected)
{
if (Engine.IsProgramDestroyed)
{
// If engine is shutting down, do not wait for the delete eval to complete, to avoid
// blocking debugger detach if a long-running operation is in progress. This way the
// engine can just report successful detach right away, and breakpoints are deleted
// later, but as soon as it's actually possible.
DebugBreakpoint.DeleteAsync().DoNotWait();
}
else
{
TaskExtensions.RunSynchronouslyOnUIThread(ct => DebugBreakpoint.DeleteAsync(ct));
}
}
}
}
}
else
{
if (state == enum_BP_STATE.BPS_ENABLED)
{
if (Engine.IsProgramDestroyed)
{
// Do not allow enabling breakpoints when engine is shutting down.
return(VSConstants.E_ABORT);
}
DebugBreakpoint = TaskExtensions.RunSynchronouslyOnUIThread(ct => Engine.Tracer.CreateBreakpointAsync(Location, ct));
DebugBreakpoint.BreakpointHit += DebugBreakpoint_BreakpointHit;
}
}
_state = state;
return(VSConstants.S_OK);
}
private IReadOnlyList <IREvaluationResultInfo> CreateChildren() =>
TaskExtensions.RunSynchronouslyOnUIThread(async ct => {
var valueResult = EvaluationResult as IRValueInfo;
if (valueResult == null)
{
return(new IREvaluationResultInfo[0]);
}
var children = await valueResult.DescribeChildrenAsync(PrefetchedProperties, Repr, ChildrenMaxCount, ct);
// Children of environments do not have any meaningful order, so sort them by name.
if (valueResult.TypeName == "environment")
{
children = children.OrderBy(er => er.Name).ToArray();
}
return(children);
});
int IDebugProperty2.EnumChildren(enum_DEBUGPROP_INFO_FLAGS dwFields, uint dwRadix, ref Guid guidFilter, enum_DBG_ATTRIB_FLAGS dwAttribFilter, string pszNameFilter, uint dwTimeout, out IEnumDebugPropertyInfo2 ppEnum)
{
IEnumerable <IREvaluationResultInfo> children = _children.Value;
if (!RToolsSettings.Current.ShowDotPrefixedVariables)
{
children = children.Where(v => v.Name != null && !v.Name.StartsWithOrdinal("."));
}
var infos = children.Select(v => new AD7Property(this, v).GetDebugPropertyInfo(dwRadix, dwFields));
var valueResult = EvaluationResult as IRValueInfo;
if (valueResult != null)
{
if (valueResult.HasAttributes() == true)
{
string attrExpr = Invariant($"base::attributes({valueResult.Expression})");
var attrResult = TaskExtensions.RunSynchronouslyOnUIThread(ct => StackFrame.StackFrame.TryEvaluateAndDescribeAsync(attrExpr, "attributes()", PrefetchedProperties, Repr, ct));
if (!(attrResult is IRErrorInfo))
{
var attrInfo = new AD7Property(this, attrResult, isSynthetic: true).GetDebugPropertyInfo(dwRadix, dwFields);
infos = new[] { attrInfo }.Concat(infos);
}
}
if (valueResult.Flags.HasFlag(RValueFlags.HasParentEnvironment))
{
string parentExpr = Invariant($"base::parent.env({valueResult.Expression})");
var parentResult = TaskExtensions.RunSynchronouslyOnUIThread(ct => StackFrame.StackFrame.TryEvaluateAndDescribeAsync(parentExpr, "parent.env()", PrefetchedProperties, Repr, ct));
if (!(parentResult is IRErrorInfo))
{
var parentInfo = new AD7Property(this, parentResult, isSynthetic: true).GetDebugPropertyInfo(dwRadix, dwFields);
infos = new[] { parentInfo }.Concat(infos);
}
}
}
ppEnum = new AD7PropertyInfoEnum(infos.ToArray());
return(VSConstants.S_OK);
}
private string GetReprToString()
{
var code = Invariant($"rtvs:::repr_toString(eval(quote({EvaluationResult.Expression}), envir = {EvaluationResult.EnvironmentExpression}))");
return(TaskExtensions.RunSynchronouslyOnUIThread(ct => StackFrame.Engine.Tracer.Session.EvaluateAsync <string>(code, REvaluationKind.Normal, ct)));
}