Microsoft.Zing.Process.CallPredicateMethod C# (CSharp) Méthode

        public bool CallPredicateMethod(ZingMethod predicateMethod)
        {
            if (runningPredicateMethod[MyThreadId])
            {
                Debugger.Break();
                throw new Exception("Predicate !");
            }

            Process dummyProc = new Process(this.StateImpl, predicateMethod, string.Empty, 0);

            Exception savedException = this.StateImpl.Exception;
            this.StateImpl.Exception = null;

            while (dummyProc.TopOfStack != null)
            {
                runningPredicateMethod[MyThreadId] = true;
                this.StateImpl.RunBlocks(dummyProc);
                runningPredicateMethod[MyThreadId] = false;

                if (this.StateImpl.Exception != null)
                {
                    if (savedException == null)
                    {
                        this.StateImpl.Exception = new Exception("Predicate");
                        throw this.StateImpl.Exception;
                    }
                    else
                    {
                        // If we already have a pending exception on the state, just
                        // return false and restore the original exception.
                        this.StateImpl.Exception = savedException;
                        return false;
                    }
                }

                if (dummyProc.choicePending)
                    throw new Exception("Predicate");
            }
            this.StateImpl.Exception = savedException;
            return predicateMethod.BooleanReturnValue;
        }