int IDebugExpression2.EvaluateAsync(enum_EVALFLAGS dwFlags, IDebugEventCallback2 pExprCallback) {
_cts = new CancellationTokenSource();
Task.Run(async () => {
try {
var res = await StackFrame.StackFrame.TryEvaluateAndDescribeAsync(_expression, AD7Property.PrefetchedProperties, AD7Property.Repr);
_cts.Token.ThrowIfCancellationRequested();
var prop = new AD7Property(StackFrame, res);
StackFrame.Engine.Send(new AD7ExpressionEvaluationCompleteEvent(this, prop), AD7ExpressionEvaluationCompleteEvent.IID);
} catch (Exception ex) when (!ex.IsCriticalException()) {
StackFrame.Engine.Send(new AD7ExpressionEvaluationCompleteEvent(ex), AD7ExpressionEvaluationCompleteEvent.IID);
} finally {
_cts = null;
}
});
return VSConstants.S_OK;
}
int IDebugExpression2.EvaluateAsync(enum_EVALFLAGS dwFlags, IDebugEventCallback2 pExprCallback)
{
_cts = new CancellationTokenSource();
Task.Run(async() => {
try {
var res = await StackFrame.StackFrame.TryEvaluateAndDescribeAsync(_expression, AD7Property.PrefetchedProperties, AD7Property.Repr);
_cts.Token.ThrowIfCancellationRequested();
var prop = new AD7Property(StackFrame, res);
StackFrame.Engine.Send(new AD7ExpressionEvaluationCompleteEvent(this, prop), AD7ExpressionEvaluationCompleteEvent.IID);
} catch (Exception ex) when(!ex.IsCriticalException())
{
StackFrame.Engine.Send(new AD7ExpressionEvaluationCompleteEvent(ex), AD7ExpressionEvaluationCompleteEvent.IID);
} finally {
_cts = null;
}
});
return(VSConstants.S_OK);
}
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);
}
public AD7Property(AD7Property parent, IREvaluationResultInfo result, bool isSynthetic = false)
: this(parent.StackFrame, result, isSynthetic, false)
{
Parent = parent;
}
int IDebugExpression2.EvaluateSync(enum_EVALFLAGS dwFlags, uint dwTimeout, IDebugEventCallback2 pExprCallback, out IDebugProperty2 ppResult) {
var res = TaskExtensions.RunSynchronouslyOnUIThread(ct => StackFrame.StackFrame.TryEvaluateAndDescribeAsync(_expression, AD7Property.PrefetchedProperties, AD7Property.Repr, ct));
ppResult = new AD7Property(StackFrame, res);
return VSConstants.S_OK;
}
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;
}
public AD7Property(AD7Property parent, IREvaluationResultInfo result, bool isSynthetic = false)
: this(parent.StackFrame, result, isSynthetic, false) {
Parent = parent;
}