Exemple #1
0
        public JsNode VisitDynamicInvocationResolveResult(DynamicInvocationResolveResult res)
        {
            var target2 = VisitExpression(res.Target);
            var args2   = VisitExpressions(res.Arguments);

            if (res.InvocationType == DynamicInvocationType.Invocation)
            {
                var node2 = target2.Invoke(args2.ToArray());
                return(node2);
            }
            else if (res.InvocationType == DynamicInvocationType.ObjectCreation)
            {
                var node2 = Js.New(target2, args2.ToArray());
                return(node2);
            }
            else if (res.InvocationType == DynamicInvocationType.Indexing)
            {
                var node2 = target2.IndexerAccess(args2.Single());
                return(node2);
            }
            else
            {
                throw new NotImplementedException("Dynamics: " + res.InvocationType);
            }
        }
        public JsNode VisitThrowStatement(ThrowStatement node)
        {
            JsExpression node2;
            IType        exceptionType;

            if (node.Expression == null || node.Expression.IsNull)             //happens when performing "throw;"
            {
                var cc = node.GetParent <CatchClause>();
                if (cc != null)
                {
                    node2 = Js.Member(cc.VariableName);
                    var type = cc.Type;
                    if (type == null || type.IsNull)
                    {
                        exceptionType = Project.Compilation.FindType(KnownTypeCode.Exception);
                    }
                    else
                    {
                        exceptionType = cc.Type.Resolve().Type;
                    }
                }
                else
                {
                    throw new Exception("Rethrow not supported, catch clause not found");
                }
            }
            else
            {
                node2 = VisitExpression(node.Expression);
                var res = node.Expression.Resolve();
                exceptionType = res.Type;
                if (res is ConversionResolveResult)
                {
                    exceptionType = ((ConversionResolveResult)res).Input.Type;
                }
            }
            if (!Sk.IsNativeError(exceptionType.GetDefinitionOrArrayType()))
            {
                node2 = Js.Member("$CreateException").Invoke(node2, Js.New(Js.Member("Error")));
            }
            return(new JsThrowStatement {
                Expression = node2
            });
        }
Exemple #3
0
        public void Process()
        {
            AfterFunction = BeforeFunction;
            SetParents(BeforeFunction.Block);
            foreach (var me in BeforeFunction.Block.Descendants <JsMemberExpression>().ToList())
            {
                if (me.PreviousMember == null && me.NodeType == JsNodeType.MemberExpression)
                {
                    me.PreviousMember = Js.This();
                }
            }

            BeginNewStep();
            ProcessStatement(BeforeFunction.Block);
            BeforeFunction.Block.Statements.Clear();

            var func = new JsFunction {
                Block = new JsBlock {
                    Statements = new List <JsStatement>()
                }
            };
            var i = 0;

            func.Block.Statements.Add(Js.Var("result").Statement());
            var stSwitch = Js.Switch(_state());
            var lastStep = Js.Block().Add(_state().Assign(Js.Value(Steps.Count)).Statement()).Add(new JsBreakStatement());

            Steps.Add(new YieldStep {
                Statements = { lastStep }
            });
            foreach (var step in Steps)
            {
                stSwitch.Case(Js.Value(i), step.Statements);
                i++;
            }
            func.Block.Statements.Add(stSwitch);
            func.Block.Statements.Add(Js.Member("result").Assign(Js.Value(false)).Statement());
            func.Block.Statements.Add(Js.Return(Js.Member("result")));

            BeforeFunction.Block.Statements.Add(Js.Return(Js.New(Js.Member("CustomEnumerable"), func)));
            return;
        }