예제 #1
0
파일: class.cs 프로젝트: fvalette/mono
		public virtual void RegisterFieldForInitialization (MemberCore field, FieldInitializer expression)
		{
			if (IsPartialPart)
				PartialContainer.RegisterFieldForInitialization (field, expression);

			if ((field.ModFlags & Modifiers.STATIC) != 0){
				if (initialized_static_fields == null) {
					HasStaticFieldInitializer = true;
					initialized_static_fields = new List<FieldInitializer> (4);
				}

				initialized_static_fields.Add (expression);
			} else {
				if (initialized_fields == null)
					initialized_fields = new List<FieldInitializer> (4);

				initialized_fields.Add (expression);
			}
		}
예제 #2
0
파일: class.cs 프로젝트: fvalette/mono
		public override void RegisterFieldForInitialization (MemberCore field, FieldInitializer expression)
		{
			if ((field.ModFlags & Modifiers.STATIC) == 0) {
				Report.Error (573, field.Location, "`{0}': Structs cannot have instance field initializers",
					field.GetSignatureForError ());
				return;
			}
			base.RegisterFieldForInitialization (field, expression);
		}
예제 #3
0
파일: class.cs 프로젝트: razzfazz/mono
		public void ResolveFieldInitializers (BlockContext ec)
		{
			Debug.Assert (!IsPartialPart);

			if (ec.IsStatic) {
				if (initialized_static_fields == null)
					return;

				bool has_complex_initializer = !ec.Module.Compiler.Settings.Optimize;
				int i;
				ExpressionStatement [] init = new ExpressionStatement [initialized_static_fields.Count];
				for (i = 0; i < initialized_static_fields.Count; ++i) {
					FieldInitializer fi = initialized_static_fields [i];
					ExpressionStatement s = fi.ResolveStatement (ec);
					if (s == null) {
						s = EmptyExpressionStatement.Instance;
					} else if (!fi.IsSideEffectFree) {
						has_complex_initializer = true;
					}

					init [i] = s;
				}

				for (i = 0; i < initialized_static_fields.Count; ++i) {
					FieldInitializer fi = initialized_static_fields [i];
					//
					// Need special check to not optimize code like this
					// static int a = b = 5;
					// static int b = 0;
					//
					if (!has_complex_initializer && fi.IsDefaultInitializer)
						continue;

					ec.AssignmentInfoOffset += fi.AssignmentOffset;
					ec.CurrentBlock.AddScopeStatement (new StatementExpression (init [i]));
				}

				return;
			}

			if (initialized_fields == null)
				return;

			for (int i = 0; i < initialized_fields.Count; ++i) {
				FieldInitializer fi = initialized_fields [i];

				//
				// Clone before resolving otherwise when field initializer is needed
				// in more than 1 constructor any resolve after the initial one would
				// only took the resolved expression which is problem for expressions
				// that generate extra expressions or code during Resolve phase
				//
				var cloned = fi.Clone (new CloneContext ());

				ExpressionStatement s = fi.ResolveStatement (ec);
				if (s == null) {
					initialized_fields [i] = new FieldInitializer (fi.Field, ErrorExpression.Instance, Location.Null);
					continue;
				}

				//
				// Field is re-initialized to its default value => removed
				//
				if (fi.IsDefaultInitializer && Kind != MemberKind.Struct && ec.Module.Compiler.Settings.Optimize)
					continue;

				ec.AssignmentInfoOffset += fi.AssignmentOffset;
				ec.CurrentBlock.AddScopeStatement (new StatementExpression (s));
				initialized_fields [i] = (FieldInitializer) cloned;
			}
		}
예제 #4
0
파일: class.cs 프로젝트: razzfazz/mono
		public void RegisterFieldForInitialization (MemberCore field, FieldInitializer expression)
		{
			if (IsPartialPart)
				PartialContainer.RegisterFieldForInitialization (field, expression);

			if ((field.ModFlags & Modifiers.STATIC) != 0){
				if (initialized_static_fields == null) {
					HasStaticFieldInitializer = true;
					initialized_static_fields = new List<FieldInitializer> (4);
				}

				initialized_static_fields.Add (expression);
			} else {
				if (Kind == MemberKind.Struct) {
					if (Compiler.Settings.Version != LanguageVersion.Experimental) {
						Report.Error (573, expression.Location, "'{0}': Structs cannot have instance property or field initializers",
							GetSignatureForError ());
					}
				}

				if (initialized_fields == null)
					initialized_fields = new List<FieldInitializer> (4);

				initialized_fields.Add (expression);
			}
		}
예제 #5
0
파일: class.cs 프로젝트: xzkmxd/mono
		public void RegisterFieldForInitialization (MemberCore field, FieldInitializer expression)
		{
			if (IsPartialPart)
				PartialContainer.RegisterFieldForInitialization (field, expression);

			if ((field.ModFlags & Modifiers.STATIC) != 0){
				if (initialized_static_fields == null) {
					HasStaticFieldInitializer = true;
					initialized_static_fields = new List<FieldInitializer> (4);
				}

				initialized_static_fields.Add (expression);
			} else {
				if (Kind == MemberKind.Struct && Compiler.Settings.Version < LanguageVersion.V_6) {
					Report.FeatureIsNotAvailable (Compiler, expression.Location, "struct instance member initializer");
				}

				if (initialized_fields == null)
					initialized_fields = new List<FieldInitializer> (4);

				initialized_fields.Add (expression);
			}
		}
예제 #6
0
		public override void RegisterFieldForInitialization (MemberCore field, FieldInitializer expression)
		{
			if ((field.ModFlags & Modifiers.STATIC) == 0 && !HasExplicitConstructor ()) {
				Report.Error (8054, field.Location, "`{0}': Structs without explicit constructors cannot contain members with initializers",
					field.GetSignatureForError ());

				return;
			}

			base.RegisterFieldForInitialization (field, expression);
		}