Imported Upstream version 5.0.0.42

Former-commit-id: fd56571888259555122d8a0f58c68838229cea2b

external/linker/cecil/Mono.Cecil/PropertyDefinition.cs

@@ -0,0 +1,244 @@
+//
+// Author:
+//   Jb Evain (jbevain@gmail.com)
+//
+// Copyright (c) 2008 - 2015 Jb Evain
+// Copyright (c) 2008 - 2011 Novell, Inc.
+//
+// Licensed under the MIT/X11 license.
+//
+
+using System.Text;
+
+using Mono.Collections.Generic;
+
+namespace Mono.Cecil {
+
+	public sealed class PropertyDefinition : PropertyReference, IMemberDefinition, IConstantProvider {
+
+		bool? has_this;
+		ushort attributes;
+
+		Collection<CustomAttribute> custom_attributes;
+
+		internal MethodDefinition get_method;
+		internal MethodDefinition set_method;
+		internal Collection<MethodDefinition> other_methods;
+
+		object constant = Mixin.NotResolved;
+
+		public PropertyAttributes Attributes {
+			get { return (PropertyAttributes) attributes; }
+			set { attributes = (ushort) value; }
+		}
+
+		public bool HasThis {
+			get {
+				if (has_this.HasValue)
+					return has_this.Value;
+
+				if (GetMethod != null)
+					return get_method.HasThis;
+
+				if (SetMethod != null)
+					return set_method.HasThis;
+
+				return false;
+			}
+			set { has_this = value; }
+		}
+
+		public bool HasCustomAttributes {
+			get {
+				if (custom_attributes != null)
+					return custom_attributes.Count > 0;
+
+				return this.GetHasCustomAttributes (Module);
+			}
+		}
+
+		public Collection<CustomAttribute> CustomAttributes {
+			get { return custom_attributes ?? (this.GetCustomAttributes (ref custom_attributes, Module)); }
+		}
+
+		public MethodDefinition GetMethod {
+			get {
+				if (get_method != null)
+					return get_method;
+
+				InitializeMethods ();
+				return get_method;
+			}
+			set { get_method = value; }
+		}
+
+		public MethodDefinition SetMethod {
+			get {
+				if (set_method != null)
+					return set_method;
+
+				InitializeMethods ();
+				return set_method;
+			}
+			set { set_method = value; }
+		}
+
+		public bool HasOtherMethods {
+			get {
+				if (other_methods != null)
+					return other_methods.Count > 0;
+
+				InitializeMethods ();
+				return !other_methods.IsNullOrEmpty ();
+			}
+		}
+
+		public Collection<MethodDefinition> OtherMethods {
+			get {
+				if (other_methods != null)
+					return other_methods;
+
+				InitializeMethods ();
+
+				if (other_methods != null)
+					return other_methods;
+
+				return other_methods = new Collection<MethodDefinition> ();
+			}
+		}
+
+		public bool HasParameters {
+			get {
+				InitializeMethods ();
+
+				if (get_method != null)
+					return get_method.HasParameters;
+
+				if (set_method != null)
+					return set_method.HasParameters && set_method.Parameters.Count > 1;
+
+				return false;
+			}
+		}
+
+		public override Collection<ParameterDefinition> Parameters {
+			get {
+				InitializeMethods ();
+
+				if (get_method != null)
+					return MirrorParameters (get_method, 0);
+
+				if (set_method != null)
+					return MirrorParameters (set_method, 1);
+
+				return new Collection<ParameterDefinition> ();
+			}
+		}
+
+		static Collection<ParameterDefinition> MirrorParameters (MethodDefinition method, int bound)
+		{
+			var parameters = new Collection<ParameterDefinition> ();
+			if (!method.HasParameters)
+				return parameters;
+
+			var original_parameters = method.Parameters;
+			var end = original_parameters.Count - bound;
+
+			for (int i = 0; i < end; i++)
+				parameters.Add (original_parameters [i]);
+
+			return parameters;
+		}
+
+		public bool HasConstant {
+			get {
+				this.ResolveConstant (ref constant, Module);
+
+				return constant != Mixin.NoValue;
+			}
+			set { if (!value) constant = Mixin.NoValue; }
+		}
+
+		public object Constant {
+			get { return HasConstant ? constant : null;	}
+			set { constant = value; }
+		}
+
+		#region PropertyAttributes
+
+		public bool IsSpecialName {
+			get { return attributes.GetAttributes ((ushort) PropertyAttributes.SpecialName); }
+			set { attributes = attributes.SetAttributes ((ushort) PropertyAttributes.SpecialName, value); }
+		}
+
+		public bool IsRuntimeSpecialName {
+			get { return attributes.GetAttributes ((ushort) PropertyAttributes.RTSpecialName); }
+			set { attributes = attributes.SetAttributes ((ushort) PropertyAttributes.RTSpecialName, value); }
+		}
+
+		public bool HasDefault {
+			get { return attributes.GetAttributes ((ushort) PropertyAttributes.HasDefault); }
+			set { attributes = attributes.SetAttributes ((ushort) PropertyAttributes.HasDefault, value); }
+		}
+
+		#endregion
+
+		public new TypeDefinition DeclaringType {
+			get { return (TypeDefinition) base.DeclaringType; }
+			set { base.DeclaringType = value; }
+		}
+
+		public override bool IsDefinition {
+			get { return true; }
+		}
+
+		public override string FullName {
+			get {
+				var builder = new StringBuilder ();
+				builder.Append (PropertyType.ToString ());
+				builder.Append (' ');
+				builder.Append (MemberFullName ());
+				builder.Append ('(');
+				if (HasParameters) {
+					var parameters = Parameters;
+					for (int i = 0; i < parameters.Count; i++) {
+						if (i > 0)
+							builder.Append (',');
+						builder.Append (parameters [i].ParameterType.FullName);
+					}
+				}
+				builder.Append (')');
+				return builder.ToString ();
+			}
+		}
+
+		public PropertyDefinition (string name, PropertyAttributes attributes, TypeReference propertyType)
+			: base (name, propertyType)
+		{
+			this.attributes = (ushort) attributes;
+			this.token = new MetadataToken (TokenType.Property);
+		}
+
+		void InitializeMethods ()
+		{
+			var module = this.Module;
+			if (module == null)
+				return;
+
+			lock (module.SyncRoot) {
+				if (get_method != null || set_method != null)
+					return;
+
+				if (!module.HasImage ())
+					return;
+
+				module.Read (this, (property, reader) => reader.ReadMethods (property));
+			}
+		}
+
+		public override PropertyDefinition Resolve ()
+		{
+			return this;
+		}
+	}
+}