public object EvaluateExpression(string expressionString)
{
int num;
object obj2;
if (int.TryParse(expressionString, out num))
{
return(num);
}
LocalInfo info = null;
if ((this.cachedLocalInfos != null) && this.cachedLocalInfos.TryGetValue(expressionString, out info))
{
return(info);
}
LocationReferenceEnvironment publicEnvironment = this.activityInstance.Activity.PublicEnvironment;
ActivityContext context = new ActivityContext(this.activityInstance, null);
try
{
if (!TryEvaluateExpression(expressionString, null, publicEnvironment, context, out obj2))
{
return(System.Activities.SR.DebugInfoCannotEvaluateExpression(expressionString));
}
}
catch (Exception exception)
{
if (Fx.IsFatal(exception))
{
throw;
}
context.Dispose();
return(System.Activities.SR.DebugInfoCannotEvaluateExpression(expressionString));
}
try
{
object obj3;
if (TryEvaluateExpression(expressionString, obj2.GetType(), publicEnvironment, context, out obj3))
{
LocalInfo info2 = new LocalInfo {
Name = expressionString,
Location = obj3 as System.Activities.Location
};
this.cachedLocalInfos[expressionString] = info2;
return(info2);
}
}
catch (Exception exception2)
{
if (Fx.IsFatal(exception2))
{
throw;
}
}
finally
{
context.Dispose();
}
return(obj2);
}
protected override void Dispose(bool disposing)
{
if (disposing)
{
db.Dispose();
}
base.Dispose(disposing);
}
