예제 #1
0
 protected override void OnExecuteFrame(Engine engine)
 {
     engine.SetBreakFrame();
     while (TypeHelper.ConvertToBool(Condition.Get(engine)))
     {
         Body.Execute(engine);
         engine.ClearShouldContinue();
         if (engine.ShouldInterrupt) break;
     }
 }
예제 #2
0
 protected override void OnExecuteFrame(Engine engine)
 {
     engine.SetBreakFrame();
     foreach (var item in Collection.Get(engine) as IEnumerable)
     {
         engine.DefineVariable(VariableName, item);
         Body.Execute(engine);
         engine.ClearShouldContinue();
         if (engine.ShouldInterrupt) break;
     }
 }
예제 #3
0
 protected override void OnExecuteFrame(Engine engine)
 {
     engine.SetBreakFrame();
     Initial.Execute(engine);
     while (Condition != null ? TypeHelper.ConvertToBool(Condition.Get(engine)) : true)
     {
         Body.Execute(engine);
         engine.ClearShouldContinue();
         if (engine.ShouldInterrupt) break;
         if (Next != null) Next.Get(engine);
     }
 }
예제 #4
0
 protected override void OnExecute(Engine engine)
 {
     var type = engine.GetType(TypeProperty, TypePath, TypeCodeTree);
     var value = engine.Get(ValueProperty, Path, CodeTree) as IEnumerable;
     var name = engine.GetVariable(Var, VarCodeTree);
     foreach (object item in value)
     {
         engine.DefineVariable(name, TypeHelper.Convert(item, type));
         Body.Execute(engine);
         engine.ClearShouldContinue();
         if (engine.ShouldInterrupt) break;
     }
 }
예제 #5
0
        protected override void OnExecute(Engine engine)
        {
            // Use the same name and type for the whole loop.
            var name = engine.GetVariable(Var, VarCodeTree);
            var type = engine.GetType(TypeProperty, TypePath, TypeCodeTree);
            if (type == null && (UpperLimit != null || Increment != null)) type = typeof(int);

            // If no name is specified then forever.
            if (name == null)
            {
                engine.SetBreakFrame();
                while (true)
                {
                    Body.Execute(engine);
                    engine.ClearShouldContinue();
                    if (engine.ShouldInterrupt) break;
                }
                return;
            }

            // Normal loop processing.
            SetLoopValue(name, engine.Get(ValueProperty, Path, CodeTree, type), type, engine);
            engine.SetBreakFrame();
            while (true)
            {
                if (While != null)
                {
                    if (!(bool)engine.Get(WhileProperty, WhilePath, WhileCodeTree, typeof(bool))) break;
                }
                else if (UpperLimit != null)
                {
                    var limit = engine.Get(UpperLimitProperty, UpperLimitPath, UpperLimitCodeTree, type);
                    if (!(bool)engine.Operator(Op.LessThan, GetLoopValue(name, type, engine), limit)) break;
                }
                Body.Execute(engine);
                engine.ClearShouldContinue();
                if (engine.ShouldInterrupt) break;
                if (Next.Count != 0)
                    Next.Execute(engine);
                else if (Increment != null)
                {
                    var increment = engine.Get(IncrementProperty, IncrementPath, IncrementCodeTree, type);
                    SetLoopValue(name, engine.Operator(Op.Plus, GetLoopValue(name, type, engine), increment), type, engine);
                }
            }
        }