private static bool DoSignaturesMatch(
            PEModule module,
            MetadataDecoder metadataDecoder,
            ParamInfo <TypeSymbol>[] propertyParams,
            PEMethodSymbol getMethod,
            ParamInfo <TypeSymbol>[] getMethodParams,
            PEMethodSymbol setMethod,
            ParamInfo <TypeSymbol>[] setMethodParams)
        {
            Debug.Assert((getMethodParams == null) == ((object)getMethod == null));
            Debug.Assert((setMethodParams == null) == ((object)setMethod == null));

            bool hasGetMethod = getMethodParams != null;
            bool hasSetMethod = setMethodParams != null;

            if (hasGetMethod && !metadataDecoder.DoPropertySignaturesMatch(propertyParams, getMethodParams, comparingToSetter: false, compareParamByRef: true, compareReturnType: true))
            {
                return(false);
            }

            if (hasSetMethod && !metadataDecoder.DoPropertySignaturesMatch(propertyParams, setMethodParams, comparingToSetter: true, compareParamByRef: true, compareReturnType: true))
            {
                return(false);
            }

            if (hasGetMethod && hasSetMethod)
            {
                var lastPropertyParamIndex = propertyParams.Length - 1;
                var getHandle           = getMethodParams[lastPropertyParamIndex].Handle;
                var setHandle           = setMethodParams[lastPropertyParamIndex].Handle;
                var getterHasParamArray = !getHandle.IsNil && module.HasParamsAttribute(getHandle);
                var setterHasParamArray = !setHandle.IsNil && module.HasParamsAttribute(setHandle);
                if (getterHasParamArray != setterHasParamArray)
                {
                    return(false);
                }

                if ((getMethod.IsExtern != setMethod.IsExtern) ||
                    // (getMethod.IsAbstract != setMethod.IsAbstract) || // NOTE: Dev10 accepts one abstract accessor
                    (getMethod.IsSealed != setMethod.IsSealed) ||
#if !XSHARP
                    // In XSharp we allow to override just one
                    (getMethod.IsOverride != setMethod.IsOverride) ||
#endif
                    (getMethod.IsStatic != setMethod.IsStatic))
                {
                    return(false);
                }
            }

            return(true);
        }
Example #2
0
        private static bool DoSignaturesMatch(
            PEModule module,
            MetadataDecoder metadataDecoder,
            MetadataDecoder.ParamInfo[] propertyParams,
            PEMethodSymbol getMethod,
            MetadataDecoder.ParamInfo[] getMethodParams,
            PEMethodSymbol setMethod,
            MetadataDecoder.ParamInfo[] setMethodParams)
        {
            Debug.Assert((getMethodParams == null) == ((object)getMethod == null));
            Debug.Assert((setMethodParams == null) == ((object)setMethod == null));

            bool hasGetMethod = getMethodParams != null;
            bool hasSetMethod = setMethodParams != null;

            if (hasGetMethod && !metadataDecoder.DoPropertySignaturesMatch(propertyParams, getMethodParams, comparingToSetter: false, compareParamByRef: true, compareReturnType: true))
            {
                return false;
            }

            if (hasSetMethod && !metadataDecoder.DoPropertySignaturesMatch(propertyParams, setMethodParams, comparingToSetter: true, compareParamByRef: true, compareReturnType: true))
            {
                return false;
            }

            if (hasGetMethod && hasSetMethod)
            {
                var lastPropertyParamIndex = propertyParams.Length - 1;
                var getHandle = getMethodParams[lastPropertyParamIndex].Handle;
                var setHandle = setMethodParams[lastPropertyParamIndex].Handle;
                var getterHasParamArray = !getHandle.IsNil && module.HasParamsAttribute(getHandle);
                var setterHasParamArray = !setHandle.IsNil && module.HasParamsAttribute(setHandle);
                if (getterHasParamArray != setterHasParamArray)
                {
                    return false;
                }

                if ((getMethod.IsExtern != setMethod.IsExtern) ||
                    // (getMethod.IsAbstract != setMethod.IsAbstract) || // NOTE: Dev10 accepts one abstract accessor
                    (getMethod.IsSealed != setMethod.IsSealed) ||
                    (getMethod.IsOverride != setMethod.IsOverride) ||
                    (getMethod.IsStatic != setMethod.IsStatic))
                {
                    return false;
                }
            }

            return true;
        }