示例#1
0
        ////////////////////////////////////////////////////////////////////////////////
        //
        // 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);
        }
示例#2
0
        ////////////////////////////////////////////////////////////////////////////////
        //
        // 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);
        }