protected virtual void _visit( JsParenthesizedExpression node )
 {
     throw new NotImplementedException( "JsParenthesizedExpression" );
 }
 protected override void _visit(JsParenthesizedExpression node)
 {
     if (node != null)
     {
         visit(node.Expression);
     }
 }
        private JsNode Binary(OperatorResolveResult res)
        {
            if (res.UserDefinedOperatorMethod != null && !Sk.UseNativeOperatorOverloads(res.UserDefinedOperatorMethod.DeclaringTypeDefinition))
            {
                var op2 = res.OperatorType.ExtractCompoundAssignment();
                if (op2 != null)
                {
                    var fakeRight = new OperatorResolveResult(res.Type, op2.Value, res.UserDefinedOperatorMethod, res.IsLiftedOperator, res.Operands);
                    var fakeAssign = Cs.Assign(res.Operands[0], fakeRight);
                    return Visit(fakeAssign);
                }

                var fake = Cs.InvokeMethod(res.UserDefinedOperatorMethod, null, res.Operands[0], res.Operands[1]);
                return Visit(fake);
            }

            if (res.OperatorType == ExpressionType.Coalesce)
            {
                var fake = Cs.Conditional(res.Operands[0].NotEqual(Cs.Null(), Project), res.Operands[0], res.Operands[1], res.Type);
                var fake2 = Visit(fake);
                fake2 = new JsParenthesizedExpression { Expression = (JsExpression)fake2 };
                return fake2;
            }
            var mrr = res.Operands[0] as MemberResolveResult;
            if (mrr != null && mrr.Member.SymbolKind == SymbolKind.Event)
            {
                var pe = (IEvent)mrr.Member;
                if (res.OperatorType.IsAny(ExpressionType.AddAssign, ExpressionType.SubtractAssign))
                {
                    var accessor = res.OperatorType == ExpressionType.AddAssign ? pe.AddAccessor : pe.RemoveAccessor;
                    var fake = new CSharpInvocationResolveResult(mrr.TargetResult, accessor, new List<ResolveResult>
                            {
                                res.Operands[1]
                            });
                    var node6 = Visit(fake);
                    return node6;
                }
            }
            if (mrr != null && IsEntityFunctionProperty(mrr.Member, res))
            {
                var simpleOp = res.OperatorType.ExtractCompoundAssignment();

                var pe = (IProperty)mrr.Member;
                if (simpleOp != null)
                {
                    // x.Name += "Hello"    ->  x.Name = x.Name + "Hello"
                    // x.Dic["Hello"] += 7  ->  x.Dic["Hello"] = x.Dic["Hello"] + 7;
                    var fake = res.Operands[0].Assign(res.Operands[0].Binary(simpleOp.Value, res.Operands[1], res.Type));
                    var node6 = Visit(fake);
                    return node6;
                }
                else if (res.OperatorType == ExpressionType.Assign)
                {
                    var args = new List<ResolveResult>();
                    if (pe.IsIndexer)
                    {
                        var irrOp0 = (CSharpInvocationResolveResult)res.Operands[0];
                        args.AddRange(irrOp0.Arguments);
                    }
                    args.Add(res.Operands[1]);
                    var fake = new CSharpInvocationResolveResult(mrr.TargetResult, pe.Setter, args).AssociateWithOriginal(res);
                    var node6 = Visit(fake);
                    node6 = WrapSetterToReturnValueIfNeeded(res, node6);
                    return node6;
                }
            }
            if (res.Operands[0] is ConversionResolveResult && res.Operands[1] is ConstantResolveResult)
            {
                var leftConv = (ConversionResolveResult)res.Operands[0];
                var rightConst = (ConstantResolveResult)res.Operands[1];
                if (leftConv.Conversion.IsNumericConversion && leftConv.Input.Type == Cs.CharType(Project))
                {
                    var value = ((char)(int)rightConst.ConstantValue).ToString();
                    var fake = Cs.Binary(leftConv.Input, res.OperatorType, Cs.Value(value, Project), leftConv.Input.Type);
                    return Visit(fake);
                }
            }
            if (res.Operands[0].Type.Kind == TypeKind.Delegate && res.Operands[1].Type.Kind == TypeKind.Delegate)
            {
                if (res.OperatorType.IsAny(ExpressionType.AddAssign, ExpressionType.SubtractAssign))
                {
                    var op = res.OperatorType == ExpressionType.AddAssign ? ExpressionType.Add : ExpressionType.Subtract;
                    var fake = Cs.Assign(res.Operands[0], Cs.Binary(res.Operands[0], op, res.Operands[1], res.Type));
                    var node6 = Visit(fake);
                    return node6;
                }
                else if (res.OperatorType.IsAny(ExpressionType.Add, ExpressionType.Subtract))
                {
                    var combineMethod = Project.Compilation.FindType(KnownTypeCode.Delegate).GetMethods(t => t.Name == "Combine").FirstOrDefault();
                    var removeMethod = Project.Compilation.FindType(KnownTypeCode.Delegate).GetMethods(t => t.Name == "Remove").FirstOrDefault();

                    var meOp = res.OperatorType == ExpressionType.Add ? combineMethod : removeMethod;

                    var fake = Cs.Member(null, meOp).Invoke(res.Operands[0], res.Operands[1]);
                    var node6 = Visit(fake);
                    return node6;

                }
            }

            var node5 = new JsBinaryExpression { Operator = Visit(res.OperatorType), Left = VisitExpression(res.Operands[0]), Right = VisitExpression(res.Operands[1]) };
            if (res.OperatorType == ExpressionType.Equal && node5.Operator == "==")
            {
                var att = Compiler.GetJsExportAttribute();
                if (att != null && att.UseExactEquals)
                    node5.Operator = "===";
            }
            if (res.OperatorType == ExpressionType.NotEqual && node5.Operator == "!=")
            {
                var att = Compiler.GetJsExportAttribute();
                if (att != null && att.UseExactEquals)
                    node5.Operator = "!==";
            }

            return node5;
        }
Ejemplo n.º 4
0
 void _Visit(JsParenthesizedExpression node)
 {
     Control("(");
     Visit(node.Expression);
     Control(")");
 }