private void DoStepOut(LispScope currentScope)
{
var currentCallStackSize = currentScope.GetCallStackSize();
IsStopStepFcn = (scope) => currentCallStackSize - 1 >= scope.GetCallStackSize();
IsProgramStop = true;
}
private void DoStepOver(LispScope currentScope)
{
var currentCallStackSize = currentScope.GetCallStackSize();
IsStopStepFcn = (scope) => (currentCallStackSize >= scope.GetCallStackSize()) && !scope.IsInEval;
IsProgramStop = true;
}