예제 #1
0
		protected TypeSpec CreateType (MetaType type, TypeSpec declaringType, DynamicTypeReader dtype, bool canImportBaseType)
		{
			TypeSpec spec;
			if (import_cache.TryGetValue (type, out spec)) {
				if (spec.BuiltinType == BuiltinTypeSpec.Type.Object) {
					if (dtype.IsDynamicObject ())
						return module.Compiler.BuiltinTypes.Dynamic;

					return spec;
				}

				if (!spec.IsGeneric || type.IsGenericTypeDefinition)
					return spec;

				if (!dtype.HasDynamicAttribute ())
					return spec;

				// We've found same object in the cache but this one has a dynamic custom attribute
				// and it's most likely dynamic version of same type IFoo<object> agains IFoo<dynamic>
				// Do type resolve process again in that case

				// TODO: Handle cases where they still unify
			}

			if (IsMissingType (type)) {
				spec = new TypeSpec (MemberKind.MissingType, declaringType, new ImportedTypeDefinition (type, this), type, Modifiers.PUBLIC);
				spec.MemberCache = MemberCache.Empty;
				import_cache.Add (type, spec);
				return spec;
			}

			if (type.IsGenericType && !type.IsGenericTypeDefinition) {
				var type_def = type.GetGenericTypeDefinition ();

				// Generic type definition can also be forwarded
				if (compiled_types.TryGetValue (type_def, out spec))
					return spec;

				var targs = CreateGenericArguments (0, type.GetGenericArguments (), dtype);
				if (targs == null)
					return null;
				if (declaringType == null) {
					// Simple case, no nesting
					spec = CreateType (type_def, null, new DynamicTypeReader (), canImportBaseType);
					spec = spec.MakeGenericType (module, targs);
				} else {
					//
					// Nested type case, converting .NET types like
					// A`1.B`1.C`1<int, long, string> to typespec like
					// A<int>.B<long>.C<string>
					//
					var nested_hierarchy = new List<TypeSpec> ();
					while (declaringType.IsNested) {
						nested_hierarchy.Add (declaringType);
						declaringType = declaringType.DeclaringType;
					}

					int targs_pos = 0;
					if (declaringType.Arity > 0) {
						spec = declaringType.MakeGenericType (module, targs.Skip (targs_pos).Take (declaringType.Arity).ToArray ());
						targs_pos = spec.Arity;
					} else {
						spec = declaringType;
					}

					for (int i = nested_hierarchy.Count; i != 0; --i) {
						var t = nested_hierarchy [i - 1];
						if (t.Kind == MemberKind.MissingType)
							spec = t;
						else
							spec = MemberCache.FindNestedType (spec, t.Name, t.Arity);

						if (t.Arity > 0) {
							spec = spec.MakeGenericType (module, targs.Skip (targs_pos).Take (spec.Arity).ToArray ());
							targs_pos += t.Arity;
						}
					}

					if (spec.Kind == MemberKind.MissingType) {
						spec = new TypeSpec (MemberKind.MissingType, spec, new ImportedTypeDefinition (type_def, this), type_def, Modifiers.PUBLIC);
						spec.MemberCache = MemberCache.Empty;
					} else {
						if ((type_def.Attributes & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPrivate && IgnorePrivateMembers)
							return null;

						string name = type.Name;
						int index = name.IndexOf ('`');
						if (index > 0)
							name = name.Substring (0, index);

						spec = MemberCache.FindNestedType (spec, name, targs.Length - targs_pos);

						if (spec.Arity > 0) {
							spec = spec.MakeGenericType (module, targs.Skip (targs_pos).ToArray ());
						}
					}
				}

				// Don't add generic type with dynamic arguments, they can interfere with same type
				// using object type arguments
				if (!spec.HasDynamicElement) {

					// Add to reading cache to speed up reading
					if (!import_cache.ContainsKey (type))
						import_cache.Add (type, spec);
				}

				return spec;
			}

			Modifiers mod;
			MemberKind kind;

			var ma = type.Attributes;
			switch (ma & TypeAttributes.VisibilityMask) {
			case TypeAttributes.Public:
			case TypeAttributes.NestedPublic:
				mod = Modifiers.PUBLIC;
				break;
			case TypeAttributes.NestedPrivate:
				mod = Modifiers.PRIVATE;
				break;
			case TypeAttributes.NestedFamily:
				mod = Modifiers.PROTECTED;
				break;
			case TypeAttributes.NestedFamORAssem:
				mod = Modifiers.PROTECTED | Modifiers.INTERNAL;
				break;
			default:
				mod = Modifiers.INTERNAL;
				break;
			}

			if ((ma & TypeAttributes.Interface) != 0) {
				kind = MemberKind.Interface;
			} else if (type.IsGenericParameter) {
				kind = MemberKind.TypeParameter;
			} else {
				var base_type = type.BaseType;
				if (base_type == null || (ma & TypeAttributes.Abstract) != 0) {
					kind = MemberKind.Class;
				} else {
					kind = DetermineKindFromBaseType (base_type);
					if (kind == MemberKind.Struct || kind == MemberKind.Delegate) {
						mod |= Modifiers.SEALED;
					}
				}

				if (kind == MemberKind.Class) {
					if ((ma & TypeAttributes.Sealed) != 0) {
						if ((ma & TypeAttributes.Abstract) != 0)
							mod |= Modifiers.STATIC;
						else
							mod |= Modifiers.SEALED;
					} else if ((ma & TypeAttributes.Abstract) != 0) {
						mod |= Modifiers.ABSTRACT;
					}
				}
			}

			var definition = new ImportedTypeDefinition (type, this);
			TypeSpec pt;

			if (kind == MemberKind.Enum) {
				const BindingFlags underlying_member = BindingFlags.DeclaredOnly |
					BindingFlags.Instance |
					BindingFlags.Public | BindingFlags.NonPublic;

				var type_members = type.GetFields (underlying_member);
				foreach (var type_member in type_members) {
					spec = new EnumSpec (declaringType, definition, CreateType (type_member.FieldType), type, mod);
					break;
				}

				if (spec == null)
					kind = MemberKind.Class;

			} else if (kind == MemberKind.TypeParameter) {
				spec = CreateTypeParameter (type, declaringType);
			} else if (type.IsGenericTypeDefinition) {
				definition.TypeParameters = CreateGenericParameters (type, declaringType);
			} else if (compiled_types.TryGetValue (type, out pt)) {
				//
				// Same type was found in inside compiled types. It's
				// either build-in type or forward referenced typed
				// which point into just compiled assembly.
				//
				spec = pt;
				BuiltinTypeSpec bts = pt as BuiltinTypeSpec;
				if (bts != null)
					bts.SetDefinition (definition, type, mod);
			}

			if (spec == null)
				spec = new TypeSpec (kind, declaringType, definition, type, mod);

			import_cache.Add (type, spec);

			if (kind == MemberKind.TypeParameter) {
				if (canImportBaseType)
					ImportTypeParameterTypeConstraints ((TypeParameterSpec) spec, type);

				return spec;
			}

			//
			// Two stage setup as the base type can be inflated declaring type or
			// another nested type inside same declaring type which has not been
			// loaded, therefore we can import a base type of nested types once
			// the types have been imported
			//
			if (canImportBaseType)
				ImportTypeBase (spec, type);

			return spec;
		}
예제 #2
0
파일: enum.cs 프로젝트: furesoft/NRefactory
		public Enum (TypeContainer parent, FullNamedExpression type, Modifiers mod_flags, MemberName name, Attributes attrs)
			: base (parent, name, attrs, MemberKind.Enum)
		{
			underlying_type_expr = type;
			var accmods = IsTopLevel ? Modifiers.INTERNAL : Modifiers.PRIVATE;
			ModFlags = ModifiersExtensions.Check (AllowedModifiers, mod_flags, accmods, Location, Report);
			spec = new EnumSpec (null, this, null, null, ModFlags);
		}