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C# AggregateType.isSimpleType方法代码示例

本文整理汇总了C#中Microsoft.CSharp.RuntimeBinder.Semantics.AggregateType.isSimpleType方法的典型用法代码示例。如果您正苦于以下问题:C# AggregateType.isSimpleType方法的具体用法?C# AggregateType.isSimpleType怎么用?C# AggregateType.isSimpleType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.CSharp.RuntimeBinder.Semantics.AggregateType的用法示例。


在下文中一共展示了AggregateType.isSimpleType方法的1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: bindExplicitConversionBetweenSimpleTypes

            private AggCastResult bindExplicitConversionBetweenSimpleTypes(AggregateType aggTypeDest)
            {
                // 13.2.1
                //
                // Because the explicit conversions include all implicit and explicit numeric conversions,
                // it is always possible to convert from any numeric-type to any other numeric-type using
                // a cast expression (14.6.6).

                Debug.Assert(_typeSrc != null);
                Debug.Assert(aggTypeDest != null);

                if (!_typeSrc.isSimpleType() || !aggTypeDest.isSimpleType())
                {
                    return AggCastResult.Failure;
                }

                AggregateSymbol aggDest = aggTypeDest.getAggregate();

                Debug.Assert(_typeSrc.isPredefined() && aggDest.IsPredefined());

                PredefinedType ptSrc = _typeSrc.getPredefType();
                PredefinedType ptDest = aggDest.GetPredefType();

                Debug.Assert((int)ptSrc < NUM_SIMPLE_TYPES && (int)ptDest < NUM_SIMPLE_TYPES);

                ConvKind convertKind = GetConvKind(ptSrc, ptDest);
                // Identity and implicit conversions should already have been handled.
                Debug.Assert(convertKind != ConvKind.Implicit);
                Debug.Assert(convertKind != ConvKind.Identity);

                if (convertKind != ConvKind.Explicit)
                {
                    return AggCastResult.Failure;
                }

                if (_exprSrc.GetConst() != null)
                {
                    // Fold the constant cast if possible.
                    ConstCastResult result = _binder.bindConstantCast(_exprSrc, _exprTypeDest, _needsExprDest, out _exprDest, true);
                    if (result == ConstCastResult.Success)
                    {
                        return AggCastResult.Success;  // else, don't fold and use a regular cast, below.
                    }
                    if (result == ConstCastResult.CheckFailure && 0 == (_flags & CONVERTTYPE.CHECKOVERFLOW))
                    {
                        return AggCastResult.Abort;
                    }
                }

                bool bConversionOk = true;
                if (_needsExprDest)
                {
                    // Explicit conversions involving decimals are bound as user-defined conversions.
                    if (isUserDefinedConversion(ptSrc, ptDest))
                    {
                        // According the language, this is a standard conversion, but it is implemented
                        // through a user-defined conversion. Because it's a standard conversion, we don't
                        // test the CONVERTTYPE.NOUDC flag here.
                        bConversionOk = _binder.bindUserDefinedConversion(_exprSrc, _typeSrc, aggTypeDest, _needsExprDest, out _exprDest, false);
                    }
                    else
                    {
                        _binder.bindSimpleCast(_exprSrc, _exprTypeDest, out _exprDest, (_flags & CONVERTTYPE.CHECKOVERFLOW) != 0 ? EXPRFLAG.EXF_CHECKOVERFLOW : 0);
                    }
                }
                return bConversionOk ? AggCastResult.Success : AggCastResult.Failure;
            }
开发者ID:noahfalk,项目名称:corefx,代码行数:67,代码来源:ExplicitConversion.cs


注:本文中的Microsoft.CSharp.RuntimeBinder.Semantics.AggregateType.isSimpleType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。