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C# BoundUnaryOperator.Update方法代码示例

本文整理汇总了C#中Microsoft.CodeAnalysis.CSharp.BoundUnaryOperator.Update方法的典型用法代码示例。如果您正苦于以下问题:C# BoundUnaryOperator.Update方法的具体用法?C# BoundUnaryOperator.Update怎么用?C# BoundUnaryOperator.Update使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在Microsoft.CodeAnalysis.CSharp.BoundUnaryOperator的用法示例。


在下文中一共展示了BoundUnaryOperator.Update方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: VisitUnaryOperator

        public override BoundNode VisitUnaryOperator(BoundUnaryOperator node)
        {
            BoundExpression operand = (BoundExpression)this.Visit(node.Operand);
            TypeSymbol type = this.VisitType(node.Type);

            if (operand.Kind != BoundKind.SpillSequence)
            {
                return node.Update(node.OperatorKind, operand, node.ConstantValueOpt, node.MethodOpt, node.ResultKind, type);
            }

            var spill = (BoundSpillSequence)operand;
            return RewriteSpillSequence(spill,
                node.Update(
                    node.OperatorKind,
                    spill.Value,
                    node.ConstantValueOpt,
                    node.MethodOpt,
                    node.ResultKind,
                    type));
        }
开发者ID:modulexcite,项目名称:pattern-matching-csharp,代码行数:20,代码来源:AwaitLoweringRewriterPass1_Unary.cs

示例2: VisitUnaryOperator

 public override BoundNode VisitUnaryOperator(BoundUnaryOperator node)
 {
     BoundSpillSequence2 ss = null;
     BoundExpression operand = VisitExpression(ref ss, node.Operand);
     return UpdateExpression(ss, node.Update(node.OperatorKind, operand, node.ConstantValueOpt, node.MethodOpt, node.ResultKind, node.Type));
 }
开发者ID:EkardNT,项目名称:Roslyn,代码行数:6,代码来源:AwaitLiftingRewriter.cs

示例3: MakeUnaryOperator

        private BoundExpression MakeUnaryOperator(
            BoundUnaryOperator oldNode,
            UnaryOperatorKind kind,
            CSharpSyntaxNode syntax,
            MethodSymbol method,
            BoundExpression loweredOperand,
            TypeSymbol type)
        {
            if (kind.IsDynamic())
            {
                Debug.Assert(kind == UnaryOperatorKind.DynamicTrue && type.SpecialType == SpecialType.System_Boolean || type.IsDynamic());
                Debug.Assert((object)method == null);

                // Logical operators on boxed Boolean constants:
                var constant = UnboxConstant(loweredOperand);
                if (constant == ConstantValue.True || constant == ConstantValue.False)
                {
                    if (kind == UnaryOperatorKind.DynamicTrue)
                    {
                        return _factory.Literal(constant.BooleanValue);
                    }
                    else if (kind == UnaryOperatorKind.DynamicLogicalNegation)
                    {
                        return MakeConversionNode(_factory.Literal(!constant.BooleanValue), type, @checked: false);
                    }
                }

                return _dynamicFactory.MakeDynamicUnaryOperator(kind, loweredOperand, type).ToExpression();
            }
            else if (kind.IsLifted())
            {
                if (!_inExpressionLambda)
                {
                    return LowerLiftedUnaryOperator(kind, syntax, method, loweredOperand, type);
                }
            }
            else if (kind.IsUserDefined())
            {
                Debug.Assert((object)method != null);
                Debug.Assert(type == method.ReturnType);
                if (!_inExpressionLambda || kind == UnaryOperatorKind.UserDefinedTrue || kind == UnaryOperatorKind.UserDefinedFalse)
                {
                    return BoundCall.Synthesized(syntax, null, method, loweredOperand);
                }
            }
            else if (kind.Operator() == UnaryOperatorKind.UnaryPlus)
            {
                // We do not call the operator even for decimal; we simply optimize it away entirely.
                return loweredOperand;
            }

            if (kind == UnaryOperatorKind.EnumBitwiseComplement)
            {
                var underlyingType = loweredOperand.Type.GetEnumUnderlyingType();
                var upconvertSpecialType = Binder.GetEnumPromotedType(underlyingType.SpecialType);
                var upconvertType = upconvertSpecialType == underlyingType.SpecialType ?
                    underlyingType :
                    _compilation.GetSpecialType(upconvertSpecialType);


                var newOperand = MakeConversionNode(loweredOperand, upconvertType, false);
                UnaryOperatorKind newKind = kind.Operator().WithType(upconvertSpecialType);

                var newNode = (oldNode != null) ?
                    oldNode.Update(
                        newKind,
                        newOperand,
                        oldNode.ConstantValueOpt,
                        method,
                        newOperand.ResultKind,
                        upconvertType) :
                    new BoundUnaryOperator(
                        syntax,
                        newKind,
                        newOperand,
                        null,
                        method,
                        LookupResultKind.Viable,
                        upconvertType);

                return MakeConversionNode(newNode.Syntax, newNode, Conversion.ExplicitEnumeration, type, @checked: false);
            }

            if (kind == UnaryOperatorKind.DecimalUnaryMinus)
            {
                method = (MethodSymbol)_compilation.Assembly.GetSpecialTypeMember(SpecialMember.System_Decimal__op_UnaryNegation);
                if (!_inExpressionLambda)
                {
                    return BoundCall.Synthesized(syntax, null, method, loweredOperand);
                }
            }

            return (oldNode != null) ?
                oldNode.Update(kind, loweredOperand, oldNode.ConstantValueOpt, method, oldNode.ResultKind, type) :
                new BoundUnaryOperator(syntax, kind, loweredOperand, null, method, LookupResultKind.Viable, type);
        }
开发者ID:Rickinio,项目名称:roslyn,代码行数:96,代码来源:LocalRewriter_UnaryOperator.cs


注:本文中的Microsoft.CodeAnalysis.CSharp.BoundUnaryOperator.Update方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。