internal PEEventSymbol( PEModuleSymbol moduleSymbol, PENamedTypeSymbol containingType, EventDefinitionHandle handle, PEMethodSymbol addMethod, PEMethodSymbol removeMethod, MultiDictionary <string, PEFieldSymbol> privateFieldNameToSymbols) { Debug.Assert((object)moduleSymbol != null); Debug.Assert((object)containingType != null); Debug.Assert(!handle.IsNil); Debug.Assert((object)addMethod != null); Debug.Assert((object)removeMethod != null); _addMethod = addMethod; _removeMethod = removeMethod; _handle = handle; _containingType = containingType; EventAttributes mdFlags = 0; EntityHandle eventType = default(EntityHandle); try { var module = moduleSymbol.Module; module.GetEventDefPropsOrThrow(handle, out _name, out mdFlags, out eventType); } catch (BadImageFormatException mrEx) { if ((object)_name == null) { _name = string.Empty; } _lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this); if (eventType.IsNil) { _eventType = new UnsupportedMetadataTypeSymbol(mrEx); } } if ((object)_eventType == null) { var metadataDecoder = new MetadataDecoder(moduleSymbol, containingType); _eventType = metadataDecoder.GetTypeOfToken(eventType); } // IsWindowsRuntimeEvent checks the signatures, so we just have to check the accessors. bool isWindowsRuntimeEvent = IsWindowsRuntimeEvent; bool callMethodsDirectly = isWindowsRuntimeEvent ? !DoModifiersMatch(_addMethod, _removeMethod) : !DoSignaturesMatch(moduleSymbol, _eventType, _addMethod, _removeMethod); if (callMethodsDirectly) { _flags |= Flags.CallMethodsDirectly; } else { _addMethod.SetAssociatedEvent(this, MethodKind.EventAdd); _removeMethod.SetAssociatedEvent(this, MethodKind.EventRemove); PEFieldSymbol associatedField = GetAssociatedField(privateFieldNameToSymbols, isWindowsRuntimeEvent); if ((object)associatedField != null) { _associatedFieldOpt = associatedField; associatedField.SetAssociatedEvent(this); } } if ((mdFlags & EventAttributes.SpecialName) != 0) { _flags |= Flags.IsSpecialName; } if ((mdFlags & EventAttributes.RTSpecialName) != 0) { _flags |= Flags.IsRuntimeSpecialName; } }
internal PEEventSymbol( PEModuleSymbol moduleSymbol, PENamedTypeSymbol containingType, EventDefinitionHandle handle, PEMethodSymbol addMethod, PEMethodSymbol removeMethod, MultiDictionary<string, PEFieldSymbol> privateFieldNameToSymbols) { Debug.Assert((object)moduleSymbol != null); Debug.Assert((object)containingType != null); Debug.Assert(!handle.IsNil); Debug.Assert((object)addMethod != null); Debug.Assert((object)removeMethod != null); _addMethod = addMethod; _removeMethod = removeMethod; _handle = handle; _containingType = containingType; EventAttributes mdFlags = 0; EntityHandle eventType = default(EntityHandle); try { var module = moduleSymbol.Module; module.GetEventDefPropsOrThrow(handle, out _name, out mdFlags, out eventType); } catch (BadImageFormatException mrEx) { if ((object)_name == null) { _name = string.Empty; } _lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this); if (eventType.IsNil) { _eventType = new UnsupportedMetadataTypeSymbol(mrEx); } } TypeSymbol originalEventType = _eventType; if ((object)_eventType == null) { var metadataDecoder = new MetadataDecoder(moduleSymbol, containingType); originalEventType = metadataDecoder.GetTypeOfToken(eventType); const int targetSymbolCustomModifierCount = 0; _eventType = DynamicTypeDecoder.TransformType(originalEventType, targetSymbolCustomModifierCount, handle, moduleSymbol); _eventType = TupleTypeDecoder.DecodeTupleTypesIfApplicable(_eventType, handle, moduleSymbol); } // IsWindowsRuntimeEvent checks the signatures, so we just have to check the accessors. bool isWindowsRuntimeEvent = IsWindowsRuntimeEvent; bool callMethodsDirectly = isWindowsRuntimeEvent ? !DoModifiersMatch(_addMethod, _removeMethod) : !DoSignaturesMatch(moduleSymbol, originalEventType, _addMethod, _removeMethod); if (callMethodsDirectly) { _flags |= Flags.CallMethodsDirectly; } else { _addMethod.SetAssociatedEvent(this, MethodKind.EventAdd); _removeMethod.SetAssociatedEvent(this, MethodKind.EventRemove); PEFieldSymbol associatedField = GetAssociatedField(privateFieldNameToSymbols, isWindowsRuntimeEvent); if ((object)associatedField != null) { _associatedFieldOpt = associatedField; associatedField.SetAssociatedEvent(this); } } if ((mdFlags & EventAttributes.SpecialName) != 0) { _flags |= Flags.IsSpecialName; } if ((mdFlags & EventAttributes.RTSpecialName) != 0) { _flags |= Flags.IsRuntimeSpecialName; } }
internal PEEventSymbol( PEModuleSymbol moduleSymbol, PENamedTypeSymbol containingType, EventDefinitionHandle handle, PEMethodSymbol addMethod, PEMethodSymbol removeMethod, MultiDictionary <string, PEFieldSymbol> privateFieldNameToSymbols) { Debug.Assert((object)moduleSymbol != null); Debug.Assert((object)containingType != null); Debug.Assert(!handle.IsNil); Debug.Assert((object)addMethod != null); Debug.Assert((object)removeMethod != null); _addMethod = addMethod; _removeMethod = removeMethod; _handle = handle; _containingType = containingType; EventAttributes mdFlags = 0; EntityHandle eventType = default(EntityHandle); try { var module = moduleSymbol.Module; module.GetEventDefPropsOrThrow(handle, out _name, out mdFlags, out eventType); } catch (BadImageFormatException mrEx) { if ((object)_name == null) { _name = string.Empty; } _lazyUseSiteDiagnostic = new CSDiagnosticInfo(ErrorCode.ERR_BindToBogus, this); if (eventType.IsNil) { _eventType = TypeSymbolWithAnnotations.Create(new UnsupportedMetadataTypeSymbol(mrEx)); } } TypeSymbol originalEventType = _eventType.TypeSymbol; if (_eventType.IsNull) { var metadataDecoder = new MetadataDecoder(moduleSymbol, containingType); originalEventType = metadataDecoder.GetTypeOfToken(eventType); const int targetSymbolCustomModifierCount = 0; var typeSymbol = DynamicTypeDecoder.TransformType(originalEventType, targetSymbolCustomModifierCount, handle, moduleSymbol); // We start without annotation (they will be decoded below) var type = TypeSymbolWithAnnotations.Create(typeSymbol); // Decode nullable before tuple types to avoid converting between // NamedTypeSymbol and TupleTypeSymbol unnecessarily. type = NullableTypeDecoder.TransformType(type, handle, moduleSymbol); type = TupleTypeDecoder.DecodeTupleTypesIfApplicable(type, handle, moduleSymbol); _eventType = type; } // IsWindowsRuntimeEvent checks the signatures, so we just have to check the accessors. bool isWindowsRuntimeEvent = IsWindowsRuntimeEvent; bool callMethodsDirectly = isWindowsRuntimeEvent ? !DoModifiersMatch(_addMethod, _removeMethod) : !DoSignaturesMatch(moduleSymbol, originalEventType, _addMethod, _removeMethod); if (callMethodsDirectly) { _flags |= Flags.CallMethodsDirectly; } else { _addMethod.SetAssociatedEvent(this, MethodKind.EventAdd); _removeMethod.SetAssociatedEvent(this, MethodKind.EventRemove); PEFieldSymbol associatedField = GetAssociatedField(privateFieldNameToSymbols, isWindowsRuntimeEvent); if ((object)associatedField != null) { _associatedFieldOpt = associatedField; associatedField.SetAssociatedEvent(this); } } if ((mdFlags & EventAttributes.SpecialName) != 0) { _flags |= Flags.IsSpecialName; } if ((mdFlags & EventAttributes.RTSpecialName) != 0) { _flags |= Flags.IsRuntimeSpecialName; } }