コード例 #1
0
ファイル: PEPropertySymbol.cs プロジェクト: zsr2531/roslyn
        private PEPropertySymbol(
            PEModuleSymbol moduleSymbol,
            PENamedTypeSymbol containingType,
            PropertyDefinitionHandle handle,
            PEMethodSymbol getMethod,
            PEMethodSymbol setMethod,
            ParamInfo <TypeSymbol>[] propertyParams,
            MetadataDecoder metadataDecoder)
        {
            _containingType = containingType;
            var module = moduleSymbol.Module;
            PropertyAttributes      mdFlags = 0;
            BadImageFormatException mrEx    = null;

            try
            {
                module.GetPropertyDefPropsOrThrow(handle, out _name, out mdFlags);
            }
            catch (BadImageFormatException e)
            {
                mrEx = e;

                if ((object)_name == null)
                {
                    _name = string.Empty;
                }
            }

            _getMethod = getMethod;
            _setMethod = setMethod;
            _handle    = handle;

            SignatureHeader         unusedCallingConvention;
            BadImageFormatException getEx = null;
            var getMethodParams           = (object)getMethod == null ? null : metadataDecoder.GetSignatureForMethod(getMethod.Handle, out unusedCallingConvention, out getEx);
            BadImageFormatException setEx = null;
            var setMethodParams           = (object)setMethod == null ? null : metadataDecoder.GetSignatureForMethod(setMethod.Handle, out unusedCallingConvention, out setEx);

            // NOTE: property parameter names are not recorded in metadata, so we have to
            // use the parameter names from one of the indexers
            // NB: prefer setter names to getter names if both are present.
            bool isBad;

            _parameters = setMethodParams is null
                ? GetParameters(moduleSymbol, this, propertyParams, getMethodParams, getMethod.IsMetadataVirtual(), out isBad)
                : GetParameters(moduleSymbol, this, propertyParams, setMethodParams, setMethod.IsMetadataVirtual(), out isBad);

            if (getEx != null || setEx != null || mrEx != null || isBad)
            {
                _lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this);
            }

            var returnInfo          = propertyParams[0];
            var typeCustomModifiers = CSharpCustomModifier.Convert(returnInfo.CustomModifiers);

            if (returnInfo.IsByRef)
            {
                if (moduleSymbol.Module.HasIsReadOnlyAttribute(handle))
                {
                    _refKind = RefKind.RefReadOnly;
                }
                else
                {
                    _refKind = RefKind.Ref;
                }
            }
            else
            {
                _refKind = RefKind.None;
            }

            // CONSIDER: Can we make parameter type computation lazy?
            TypeSymbol originalPropertyType = returnInfo.Type;

            originalPropertyType = DynamicTypeDecoder.TransformType(originalPropertyType, typeCustomModifiers.Length, handle, moduleSymbol, _refKind);
            originalPropertyType = NativeIntegerTypeDecoder.TransformType(originalPropertyType, handle, moduleSymbol);

            // Dynamify object type if necessary
            originalPropertyType = originalPropertyType.AsDynamicIfNoPia(_containingType);

            // We start without annotation (they will be decoded below)
            var propertyTypeWithAnnotations = TypeWithAnnotations.Create(originalPropertyType, customModifiers: typeCustomModifiers);

            // Decode nullable before tuple types to avoid converting between
            // NamedTypeSymbol and TupleTypeSymbol unnecessarily.

            // The containing type is passed to NullableTypeDecoder.TransformType to determine access
            // because the property does not have explicit accessibility in metadata.
            propertyTypeWithAnnotations = NullableTypeDecoder.TransformType(propertyTypeWithAnnotations, handle, moduleSymbol, accessSymbol: _containingType, nullableContext: _containingType);
            propertyTypeWithAnnotations = TupleTypeDecoder.DecodeTupleTypesIfApplicable(propertyTypeWithAnnotations, handle, moduleSymbol);

            _propertyTypeWithAnnotations = propertyTypeWithAnnotations;

            // A property is bogus and must be accessed by calling its accessors directly if the
            // accessor signatures do not agree, both with each other and with the property,
            // or if it has parameters and is not an indexer or indexed property.
            bool callMethodsDirectly = !DoSignaturesMatch(module, metadataDecoder, propertyParams, _getMethod, getMethodParams, _setMethod, setMethodParams) ||
                                       MustCallMethodsDirectlyCore();

            if (!callMethodsDirectly)
            {
                if ((object)_getMethod != null)
                {
                    _getMethod.SetAssociatedProperty(this, MethodKind.PropertyGet);
                }

                if ((object)_setMethod != null)
                {
                    _setMethod.SetAssociatedProperty(this, MethodKind.PropertySet);
                }
            }

            if (callMethodsDirectly)
            {
                _flags |= Flags.CallMethodsDirectly;
            }

            if ((mdFlags & PropertyAttributes.SpecialName) != 0)
            {
                _flags |= Flags.IsSpecialName;
            }

            if ((mdFlags & PropertyAttributes.RTSpecialName) != 0)
            {
                _flags |= Flags.IsRuntimeSpecialName;
            }
        }
コード例 #2
0
        private PEPropertySymbol(
            PEModuleSymbol moduleSymbol,
            PENamedTypeSymbol containingType,
            PropertyDefinitionHandle handle,
            PEMethodSymbol getMethod,
            PEMethodSymbol setMethod,
            int countOfCustomModifiers,
            ParamInfo<TypeSymbol>[] propertyParams,
            MetadataDecoder metadataDecoder)
        {
            _containingType = containingType;
            var module = moduleSymbol.Module;
            PropertyAttributes mdFlags = 0;
            BadImageFormatException mrEx = null;

            try
            {
                module.GetPropertyDefPropsOrThrow(handle, out _name, out mdFlags);
            }
            catch (BadImageFormatException e)
            {
                mrEx = e;

                if ((object)_name == null)
                {
                    _name = string.Empty;
                }
            }

            _getMethod = getMethod;
            _setMethod = setMethod;
            _handle = handle;

            SignatureHeader unusedCallingConvention;
            BadImageFormatException getEx = null;
            var getMethodParams = (object)getMethod == null ? null : metadataDecoder.GetSignatureForMethod(getMethod.Handle, out unusedCallingConvention, out getEx);
            BadImageFormatException setEx = null;
            var setMethodParams = (object)setMethod == null ? null : metadataDecoder.GetSignatureForMethod(setMethod.Handle, out unusedCallingConvention, out setEx);

            // NOTE: property parameter names are not recorded in metadata, so we have to
            // use the parameter names from one of the indexers
            // NB: prefer setter names to getter names if both are present.
            bool isBad;
            _parameters = GetParameters(moduleSymbol, this, propertyParams, setMethodParams ?? getMethodParams, out isBad);

            if (getEx != null || setEx != null || mrEx != null || isBad)
            {
                _lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this);
            }

            var returnInfo = propertyParams[0];
            _refKind = returnInfo.IsByRef ? RefKind.Ref : RefKind.None;

            // CONSIDER: Can we make parameter type computation lazy?
            TypeSymbol originalPropertyType = returnInfo.Type;
            _propertyType = DynamicTypeDecoder.TransformType(originalPropertyType, countOfCustomModifiers, handle, moduleSymbol, _refKind);

            // Dynamify object type if necessary
            _propertyType = _propertyType.AsDynamicIfNoPia(_containingType);

            _propertyType = TupleTypeDecoder.DecodeTupleTypesIfApplicable(_propertyType, handle, moduleSymbol);

            // A property is bogus and must be accessed by calling its accessors directly if the
            // accessor signatures do not agree, both with each other and with the property,
            // or if it has parameters and is not an indexer or indexed property.
            bool callMethodsDirectly = !DoSignaturesMatch(module, metadataDecoder, propertyParams, _getMethod, getMethodParams, _setMethod, setMethodParams) ||
                MustCallMethodsDirectlyCore();

            if (!callMethodsDirectly)
            {
                if ((object)_getMethod != null)
                {
                    _getMethod.SetAssociatedProperty(this, MethodKind.PropertyGet);
                }

                if ((object)_setMethod != null)
                {
                    _setMethod.SetAssociatedProperty(this, MethodKind.PropertySet);
                }
            }

            if (callMethodsDirectly)
            {
                _flags |= Flags.CallMethodsDirectly;
            }

            if ((mdFlags & PropertyAttributes.SpecialName) != 0)
            {
                _flags |= Flags.IsSpecialName;
            }

            if ((mdFlags & PropertyAttributes.RTSpecialName) != 0)
            {
                _flags |= Flags.IsRuntimeSpecialName;
            }
        }
コード例 #3
0
ファイル: PEPropertySymbol.cs プロジェクト: soldetres/roslyn
        internal PEPropertySymbol(
            PEModuleSymbol moduleSymbol,
            PENamedTypeSymbol containingType,
            PropertyDefinitionHandle handle,
            PEMethodSymbol getMethod,
            PEMethodSymbol setMethod)
        {
            Debug.Assert((object)moduleSymbol != null);
            Debug.Assert((object)containingType != null);
            Debug.Assert(!handle.IsNil);

            _containingType = containingType;
            var module = moduleSymbol.Module;
            PropertyAttributes      mdFlags = 0;
            BadImageFormatException mrEx    = null;

            try
            {
                module.GetPropertyDefPropsOrThrow(handle, out _name, out mdFlags);
            }
            catch (BadImageFormatException e)
            {
                mrEx = e;

                if ((object)_name == null)
                {
                    _name = string.Empty;
                }
            }

            _getMethod = getMethod;
            _setMethod = setMethod;
            _handle    = handle;

            var                     metadataDecoder = new MetadataDecoder(moduleSymbol, containingType);
            SignatureHeader         callingConvention;
            BadImageFormatException propEx;
            var                     propertyParams = metadataDecoder.GetSignatureForProperty(handle, out callingConvention, out propEx, allowByRefReturn: true);

            Debug.Assert(propertyParams.Length > 0);

            SignatureHeader         unusedCallingConvention;
            BadImageFormatException getEx = null;
            var getMethodParams           = (object)getMethod == null ? null : metadataDecoder.GetSignatureForMethod(getMethod.Handle, out unusedCallingConvention, out getEx, allowByRefReturn: true);
            BadImageFormatException setEx = null;
            var setMethodParams           = (object)setMethod == null ? null : metadataDecoder.GetSignatureForMethod(setMethod.Handle, out unusedCallingConvention, out setEx, allowByRefReturn: false);

            // NOTE: property parameter names are not recorded in metadata, so we have to
            // use the parameter names from one of the indexers
            // NB: prefer setter names to getter names if both are present.
            bool isBad;

            _parameters = GetParameters(moduleSymbol, this, propertyParams, setMethodParams ?? getMethodParams, out isBad);

            if (propEx != null || getEx != null || setEx != null || mrEx != null || isBad)
            {
                _lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this);
            }

            _typeCustomModifiers = CSharpCustomModifier.Convert(propertyParams[0].CustomModifiers);

            _refKind = propertyParams[0].IsByRef ? RefKind.Ref : RefKind.None;

            // CONSIDER: Can we make parameter type computation lazy?
            TypeSymbol originalPropertyType = propertyParams[0].Type;

            _propertyType = DynamicTypeDecoder.TransformType(originalPropertyType, _typeCustomModifiers.Length, handle, moduleSymbol);

            // Dynamify object type if necessary
            _propertyType = _propertyType.AsDynamicIfNoPia(_containingType);

            _propertyType = TupleTypeDecoder.DecodeTupleTypesIfApplicable(_propertyType, handle, moduleSymbol);

            // A property is bogus and must be accessed by calling its accessors directly if the
            // accessor signatures do not agree, both with each other and with the property,
            // or if it has parameters and is not an indexer or indexed property.
            bool callMethodsDirectly = !DoSignaturesMatch(module, metadataDecoder, propertyParams, _getMethod, getMethodParams, _setMethod, setMethodParams) ||
                                       MustCallMethodsDirectlyCore();

            if (!callMethodsDirectly)
            {
                if ((object)_getMethod != null)
                {
                    _getMethod.SetAssociatedProperty(this, MethodKind.PropertyGet);
                }

                if ((object)_setMethod != null)
                {
                    _setMethod.SetAssociatedProperty(this, MethodKind.PropertySet);
                }
            }

            if (callMethodsDirectly)
            {
                _flags |= Flags.CallMethodsDirectly;
            }

            if ((mdFlags & PropertyAttributes.SpecialName) != 0)
            {
                _flags |= Flags.IsSpecialName;
            }

            if ((mdFlags & PropertyAttributes.RTSpecialName) != 0)
            {
                _flags |= Flags.IsRuntimeSpecialName;
            }
        }
コード例 #4
0
        private PEPropertySymbol(
            PEModuleSymbol moduleSymbol,
            PENamedTypeSymbol containingType,
            PropertyDefinitionHandle handle,
            PEMethodSymbol getMethod,
            PEMethodSymbol setMethod,
            int countOfCustomModifiers,
            ParamInfo <TypeSymbol>[] propertyParams,
            MetadataDecoder metadataDecoder)
        {
            _containingType = containingType;
            var module = moduleSymbol.Module;
            PropertyAttributes      mdFlags = 0;
            BadImageFormatException mrEx    = null;

            try
            {
                module.GetPropertyDefPropsOrThrow(handle, out _name, out mdFlags);
            }
            catch (BadImageFormatException e)
            {
                mrEx = e;

                if ((object)_name == null)
                {
                    _name = string.Empty;
                }
            }

            _getMethod = getMethod;
            _setMethod = setMethod;
            _handle    = handle;

            SignatureHeader         unusedCallingConvention;
            BadImageFormatException getEx = null;
            var getMethodParams           = (object)getMethod == null ? null : metadataDecoder.GetSignatureForMethod(getMethod.Handle, out unusedCallingConvention, out getEx);
            BadImageFormatException setEx = null;
            var setMethodParams           = (object)setMethod == null ? null : metadataDecoder.GetSignatureForMethod(setMethod.Handle, out unusedCallingConvention, out setEx);

            // NOTE: property parameter names are not recorded in metadata, so we have to
            // use the parameter names from one of the indexers
            // NB: prefer setter names to getter names if both are present.
            bool isBad;

            _parameters = setMethodParams is null
                ? GetParameters(moduleSymbol, this, propertyParams, getMethodParams, getMethod.IsMetadataVirtual(), out isBad)
                : GetParameters(moduleSymbol, this, propertyParams, setMethodParams, setMethod.IsMetadataVirtual(), out isBad);

            if (getEx != null || setEx != null || mrEx != null || isBad)
            {
                _lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this);
            }

            var returnInfo = propertyParams[0];

            if (returnInfo.IsByRef)
            {
                if (moduleSymbol.Module.HasIsReadOnlyAttribute(handle))
                {
                    _refKind = RefKind.RefReadOnly;
                }
                else
                {
                    _refKind = RefKind.Ref;
                }
            }
            else
            {
                _refKind = RefKind.None;
            }

            // CONSIDER: Can we make parameter type computation lazy?
            TypeSymbol originalPropertyType = returnInfo.Type;

#if XSHARP
            _propertyType = DynamicTypeDecoder.TransformType(originalPropertyType, countOfCustomModifiers, handle.IsNil ? (EntityHandle)getMethod.Handle : handle, moduleSymbol, _refKind);
#else
            _propertyType = DynamicTypeDecoder.TransformType(originalPropertyType, countOfCustomModifiers, handle, moduleSymbol, _refKind);
#endif

            // Dynamify object type if necessary
            _propertyType = _propertyType.AsDynamicIfNoPia(_containingType);

            _propertyType = TupleTypeDecoder.DecodeTupleTypesIfApplicable(_propertyType, handle, moduleSymbol);

            // A property is bogus and must be accessed by calling its accessors directly if the
            // accessor signatures do not agree, both with each other and with the property,
            // or if it has parameters and is not an indexer or indexed property.
            bool callMethodsDirectly = !DoSignaturesMatch(module, metadataDecoder, propertyParams, _getMethod, getMethodParams, _setMethod, setMethodParams) ||
                                       MustCallMethodsDirectlyCore();
#if XSHARP
            if (handle.IsNil)
            {
                callMethodsDirectly = true;
            }
#endif

            if (!callMethodsDirectly)
            {
                if ((object)_getMethod != null)
                {
                    _getMethod.SetAssociatedProperty(this, MethodKind.PropertyGet);
                }

                if ((object)_setMethod != null)
                {
                    _setMethod.SetAssociatedProperty(this, MethodKind.PropertySet);
                }
            }

            if (callMethodsDirectly)
            {
                _flags |= Flags.CallMethodsDirectly;
            }

            if ((mdFlags & PropertyAttributes.SpecialName) != 0)
            {
                _flags |= Flags.IsSpecialName;
            }

            if ((mdFlags & PropertyAttributes.RTSpecialName) != 0)
            {
                _flags |= Flags.IsRuntimeSpecialName;
            }
        }