Ejemplo n.º 1
0
		protected void AddPartial (TypeDefinition next_part, TypeDefinition existing)
		{
			next_part.ModFlags |= Modifiers.PARTIAL;

			if (existing == null) {
				AddTypeContainer (next_part);
				return;
			}

			if ((existing.ModFlags & Modifiers.PARTIAL) == 0) {
				if (existing.Kind != next_part.Kind) {
					AddTypeContainer (next_part);
				} else {
					Report.SymbolRelatedToPreviousError (next_part);
					Error_MissingPartialModifier (existing);
				}

				return;
			}

			if (existing.Kind != next_part.Kind) {
				Report.SymbolRelatedToPreviousError (existing);
				Report.Error (261, next_part.Location,
					"Partial declarations of `{0}' must be all classes, all structs or all interfaces",
					next_part.GetSignatureForError ());
			}

			if ((existing.ModFlags & Modifiers.AccessibilityMask) != (next_part.ModFlags & Modifiers.AccessibilityMask) &&
				((existing.ModFlags & Modifiers.DEFAULT_ACCESS_MODIFIER) == 0 &&
				 (next_part.ModFlags & Modifiers.DEFAULT_ACCESS_MODIFIER) == 0)) {
					 Report.SymbolRelatedToPreviousError (existing);
				Report.Error (262, next_part.Location,
					"Partial declarations of `{0}' have conflicting accessibility modifiers",
					next_part.GetSignatureForError ());
			}

			var tc_names = existing.CurrentTypeParameters;
			if (tc_names != null) {
				for (int i = 0; i < tc_names.Count; ++i) {
					var tp = next_part.MemberName.TypeParameters[i];
					if (tc_names[i].MemberName.Name != tp.MemberName.Name) {
						Report.SymbolRelatedToPreviousError (existing.Location, "");
						Report.Error (264, next_part.Location, "Partial declarations of `{0}' must have the same type parameter names in the same order",
							next_part.GetSignatureForError ());
						break;
					}

					if (tc_names[i].Variance != tp.Variance) {
						Report.SymbolRelatedToPreviousError (existing.Location, "");
						Report.Error (1067, next_part.Location, "Partial declarations of `{0}' must have the same type parameter variance modifiers",
							next_part.GetSignatureForError ());
						break;
					}
				}
			}

			if ((next_part.ModFlags & Modifiers.DEFAULT_ACCESS_MODIFIER) != 0) {
				existing.ModFlags |= next_part.ModFlags & ~(Modifiers.DEFAULT_ACCESS_MODIFIER | Modifiers.AccessibilityMask);
			} else if ((existing.ModFlags & Modifiers.DEFAULT_ACCESS_MODIFIER) != 0) {
				existing.ModFlags &= ~(Modifiers.DEFAULT_ACCESS_MODIFIER | Modifiers.AccessibilityMask);
				existing.ModFlags |= next_part.ModFlags;
			} else {
				existing.ModFlags |= next_part.ModFlags;
			}

			existing.Definition.Modifiers = existing.ModFlags;

			if (next_part.attributes != null) {
				if (existing.attributes == null)
					existing.attributes = next_part.attributes;
				else
					existing.attributes.AddAttributes (next_part.attributes.Attrs);
			}

			next_part.PartialContainer = existing;

			existing.AddPartialPart (next_part);

			AddTypeContainerMember (next_part);
		}
Ejemplo n.º 2
0
		public bool Define (TypeDefinition container, string method_full_name)
		{
			PendingImplementation pending = container.PendingImplementations;
			MethodSpec ambig_iface_method;
			bool optional = false;

			if (pending != null) {
				implementing = pending.IsInterfaceMethod (method.MethodName, member.InterfaceType, this, out ambig_iface_method, ref optional);

				if (member.InterfaceType != null) {
					if (implementing == null) {
						if (member is PropertyBase) {
							container.Compiler.Report.Error (550, method.Location,
								"`{0}' is an accessor not found in interface member `{1}{2}'",
									  method.GetSignatureForError (), member.InterfaceType.GetSignatureForError (),
									  member.GetSignatureForError ().Substring (member.GetSignatureForError ().LastIndexOf ('.')));

						} else {
							container.Compiler.Report.Error (539, method.Location,
									  "`{0}.{1}' in explicit interface declaration is not a member of interface",
									  member.InterfaceType.GetSignatureForError (), member.ShortName);
						}
						return false;
					}
					if (implementing.IsAccessor && !method.IsAccessor) {
						container.Compiler.Report.SymbolRelatedToPreviousError (implementing);
						container.Compiler.Report.Error (683, method.Location,
							"`{0}' explicit method implementation cannot implement `{1}' because it is an accessor",
							member.GetSignatureForError (), implementing.GetSignatureForError ());
						return false;
					}
				} else {
					if (implementing != null && !optional) {
						if (!method.IsAccessor) {
							if (implementing.IsAccessor) {
								container.Compiler.Report.SymbolRelatedToPreviousError (implementing);
								container.Compiler.Report.Error (470, method.Location,
									"Method `{0}' cannot implement interface accessor `{1}'",
									method.GetSignatureForError (), TypeManager.CSharpSignature (implementing));
							}
						} else if (implementing.DeclaringType.IsInterface) {
							if (!implementing.IsAccessor) {
								container.Compiler.Report.SymbolRelatedToPreviousError (implementing);
								container.Compiler.Report.Error (686, method.Location,
									"Accessor `{0}' cannot implement interface member `{1}' for type `{2}'. Use an explicit interface implementation",
									method.GetSignatureForError (), TypeManager.CSharpSignature (implementing), container.GetSignatureForError ());
							} else {
								PropertyBase.PropertyMethod pm = method as PropertyBase.PropertyMethod;
								if (pm != null && pm.HasCustomAccessModifier && (pm.ModFlags & Modifiers.PUBLIC) == 0) {
									container.Compiler.Report.SymbolRelatedToPreviousError (implementing);
									container.Compiler.Report.Error (277, method.Location,
										"Accessor `{0}' must be declared public to implement interface member `{1}'",
										method.GetSignatureForError (), implementing.GetSignatureForError ());
								}
							}
						}
					}
				}
			} else {
				ambig_iface_method = null;
			}

			//
			// For implicit implementations, make sure we are public, for
			// explicit implementations, make sure we are private.
			//
			if (implementing != null){
				if (member.IsExplicitImpl) {
					if (method.ParameterInfo.HasParams && !implementing.Parameters.HasParams) {
						container.Compiler.Report.SymbolRelatedToPreviousError (implementing);
						container.Compiler.Report.Error (466, method.Location,
							"`{0}': the explicit interface implementation cannot introduce the params modifier",
							method.GetSignatureForError ());
					}

					if (ambig_iface_method != null) {
						container.Compiler.Report.SymbolRelatedToPreviousError (ambig_iface_method);
						container.Compiler.Report.SymbolRelatedToPreviousError (implementing);
						container.Compiler.Report.Warning (473, 2, method.Location,
							"Explicit interface implementation `{0}' matches more than one interface member. Consider using a non-explicit implementation instead",
							method.GetSignatureForError ());
					}
				} else {
					//
					// Setting implementin to null inside this block will trigger a more
					// verbose error reporting for missing interface implementations
					//
					if (implementing.DeclaringType.IsInterface) {
						//
						// If this is an interface method implementation,
						// check for public accessibility
						//
						if ((flags & MethodAttributes.MemberAccessMask) != MethodAttributes.Public) {
							implementing = null;
						} else if (optional && (container.Interfaces == null || !container.Definition.Interfaces.Contains (implementing.DeclaringType))) {
							//
							// We are not implementing interface when base class already implemented it
							//
							implementing = null;
						}
					} else if ((flags & MethodAttributes.MemberAccessMask) == MethodAttributes.Private) {
						// We may never be private.
						implementing = null;

					} else if ((modifiers & Modifiers.OVERRIDE) == 0) {
						//
						// We may be protected if we're overriding something.
						//
						implementing = null;
					}
				}
					
				//
				// Static is not allowed
				//
				if ((modifiers & Modifiers.STATIC) != 0){
					implementing = null;
				}
			}
			
			//
			// If implementing is still valid, set flags
			//
			if (implementing != null){
				//
				// When implementing interface methods, set NewSlot
				// unless, we are overwriting a method.
				//
				if ((modifiers & Modifiers.OVERRIDE) == 0 && implementing.DeclaringType.IsInterface) {
					flags |= MethodAttributes.NewSlot;
				}

				flags |= MethodAttributes.Virtual | MethodAttributes.HideBySig;

				// Set Final unless we're virtual, abstract or already overriding a method.
				if ((modifiers & (Modifiers.VIRTUAL | Modifiers.ABSTRACT | Modifiers.OVERRIDE)) == 0)
					flags |= MethodAttributes.Final;

				//
				// clear the pending implementation flag (requires explicit methods to be defined first)
				//
				pending.ImplementMethod (method.MethodName,
					member.InterfaceType, this, member.IsExplicitImpl, out ambig_iface_method, ref optional);

				//
				// Update indexer accessor name to match implementing abstract accessor
				//
				if (!implementing.DeclaringType.IsInterface && !member.IsExplicitImpl && implementing.IsAccessor)
					method_full_name = implementing.MemberDefinition.Name;
			}

			full_name = method_full_name;
			declaring_type = container.Definition;

			return true;
		}