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C# CType.GetDelegateTypeOfPossibleExpression方法代码示例

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


在下文中一共展示了CType.GetDelegateTypeOfPossibleExpression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: DoesInputTypeContain

        ////////////////////////////////////////////////////////////////////////////////
        //
        // Input types
        //
        private bool DoesInputTypeContain(EXPR pSource, CType pDest,
            TypeParameterType pParam)
        {
            // SPEC: If E is a method group or an anonymous function and T is a delegate
            // SPEC: CType or expression tree CType then all the parameter types of T are
            // SPEC: input types of E with CType T.

            pDest = pDest.GetDelegateTypeOfPossibleExpression();
            if (!pDest.isDelegateType())
            {
                return false; // No input types.
            }

            if (!pSource.isUNBOUNDLAMBDA() && !pSource.isMEMGRP())
            {
                return false; // No input types.
            }

            TypeArray pDelegateParameters =
                pDest.AsAggregateType().GetDelegateParameters(GetSymbolLoader());
            if (pDelegateParameters == null)
            {
                return false;
            }
            return TypeManager.ParametersContainTyVar(pDelegateParameters, pParam);
        }
开发者ID:noahfalk,项目名称:corefx,代码行数:30,代码来源:MethodTypeInferrer.cs

示例2: DoesOutputTypeContain

        ////////////////////////////////////////////////////////////////////////////////
        //
        // Output types
        //
        private bool DoesOutputTypeContain(EXPR pSource, CType pDest,
            TypeParameterType pParam)
        {
            // SPEC: If E is a method group or an anonymous function and T is a delegate
            // SPEC: CType or expression tree CType then the return CType of T is an output CType
            // SPEC: of E with CType T.

            pDest = pDest.GetDelegateTypeOfPossibleExpression();
            if (!pDest.isDelegateType())
            {
                return false;
            }

            if (!pSource.isUNBOUNDLAMBDA() && !pSource.isMEMGRP())
            {
                return false;
            }

            CType pDelegateReturn = pDest.AsAggregateType().GetDelegateReturnType(GetSymbolLoader());
            if (pDelegateReturn == null)
            {
                return false;
            }
            return TypeManager.TypeContainsType(pDelegateReturn, pParam);
        }
开发者ID:noahfalk,项目名称:corefx,代码行数:29,代码来源:MethodTypeInferrer.cs

示例3: MethodGroupReturnTypeInference

        ////////////////////////////////////////////////////////////////////////////////

        private bool MethodGroupReturnTypeInference(EXPR pSource, CType pType)
        {
            // SPEC:  Otherwise, if E is a method group and T is a delegate CType or
            // SPEC:   expression tree CType with parameter types T1...Tk and return
            // SPEC:   CType Tb and overload resolution of E with the types T1...Tk
            // SPEC:   yields a single method with return CType U then a lower-bound
            // SPEC:   inference is made from U to Tb.

            if (!pSource.isMEMGRP())
            {
                return false;
            }
            pType = pType.GetDelegateTypeOfPossibleExpression();
            if (!pType.isDelegateType())
            {
                return false;
            }
            AggregateType pDelegateType = pType.AsAggregateType();
            CType pDelegateReturnType = pDelegateType.GetDelegateReturnType(GetSymbolLoader());
            if (pDelegateReturnType == null)
            {
                return false;
            }
            if (pDelegateReturnType.IsVoidType())
            {
                return false;
            }

            // At this point we are in the second phase; we know that all the input types are fixed.

            TypeArray pDelegateParameters = GetFixedDelegateParameters(pDelegateType);
            if (pDelegateParameters == null)
            {
                return false;
            }

            ArgInfos argInfo = new ArgInfos() { carg = pDelegateParameters.size, types = pDelegateParameters, fHasExprs = false, prgexpr = null };

            var argsBinder = new ExpressionBinder.GroupToArgsBinder(_binder, 0/* flags */, pSource.asMEMGRP(), argInfo, null, false, pDelegateType);

            bool success = argsBinder.Bind(false);
            if (!success)
            {
                return false;
            }

            MethPropWithInst mwi = argsBinder.GetResultsOfBind().GetBestResult();
            CType pMethodReturnType = GetTypeManager().SubstType(mwi.Meth().RetType,
                mwi.GetType(), mwi.TypeArgs);
            if (pMethodReturnType.IsVoidType())
            {
                return false;
            }

            LowerBoundInference(pMethodReturnType, pDelegateReturnType);
            return true;
        }
开发者ID:noahfalk,项目名称:corefx,代码行数:59,代码来源:MethodTypeInferrer.cs


注:本文中的Microsoft.CSharp.RuntimeBinder.Semantics.CType.GetDelegateTypeOfPossibleExpression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。