Fix Unity iOS build.

Author: yfakariya

CHANGES.txt

@@ -148,11 +148,21 @@ Release 0.5.1 - 2014/8/9
   NOTE
   * This release changes drop for Unity3D from source assets to dll assets (source assets are still available).
 
-Release 0.5.2 - 2014/9/?
+Release 0.5.2 - 2014/9/6
+
+  BREAKING CHANGES
+  * MessagePackObjectEqualityComparer does not inherit EqualityComparer<T> now to avoid ExecutionEngineException on iOS.
 
   FEATURES
   * Support Windows Phone 8.1 (Both of WinRT & Silverlight) issue #36
   * Add MessagePackSerializer.Get() for usability.
 
   BUG FIXES
   * Fix FILETIME is not available in WinRT
+  * Fix does not work in Unity3D. issue #37
+
+Relese 1.0 - ???
+
+  BREAKING CHANGES [planed]
+  * APIs marked with [Obsolete] are removed.
+

src/MsgPack/MessagePackObjectEqualityComparer.cs

@@ -29,7 +29,7 @@ namespace MsgPack
 #if !SILVERLIGHT && !NETFX_CORE
 	[Serializable]
 #endif
-	public sealed class MessagePackObjectEqualityComparer : EqualityComparer<MessagePackObject>
+	public sealed class MessagePackObjectEqualityComparer : IEqualityComparer<MessagePackObject>
 	{
 		private static readonly MessagePackObjectEqualityComparer _instance = new MessagePackObjectEqualityComparer();
 
@@ -51,7 +51,7 @@ public MessagePackObjectEqualityComparer() { }
 		/// <returns>
 		///		<c>true</c> if the specified objects are equal; otherwise, <c>false</c>.
 		/// </returns>
-		public override bool Equals( MessagePackObject x, MessagePackObject y )
+		public bool Equals( MessagePackObject x, MessagePackObject y )
 		{
 			return x.Equals( y );
 		}
@@ -63,7 +63,7 @@ public override bool Equals( MessagePackObject x, MessagePackObject y )
 		/// <returns>
 		///		A hash code for <paramref name="obj"/>, suitable for use in hashing algorithms and data structures like a hash table. 
 		/// </returns>
-		public override int GetHashCode( MessagePackObject obj )
+		public int GetHashCode( MessagePackObject obj )
 		{
 			return obj.GetHashCode();
 		}

src/MsgPack/Serialization/DataMemberContract.cs

@@ -35,7 +35,11 @@ namespace MsgPack.Serialization
 	/// <summary>
 	///		Represents member's data contract.
 	/// </summary>
+#if !UNITY
 	internal struct DataMemberContract
+#else
+	internal sealed class DataMemberContract
+#endif // !UNITY
 	{
 		internal const int UnspecifiedId = -1;
 
@@ -92,6 +96,15 @@ public NilImplication NilImplication
 			get { return this._nilImplication; }
 		}
 
+#if UNITY
+		public DataMemberContract()
+		{
+			this._name = null;
+			this._nilImplication = NilImplication.MemberDefault;
+			this._id = UnspecifiedId;
+		}
+#endif // UNITY
+
 		/// <summary>
 		///		Initializes a new instance of the <see cref="DataMemberContract"/> struct.
 		/// </summary>

src/MsgPack/Serialization/SerializingMember.cs

@@ -18,6 +18,10 @@
 //
 #endregion -- License Terms --
 
+#if UNITY_STANDALONE || UNITY_WEBPLAYER || UNITY_WII || UNITY_IPHONE || UNITY_ANDROID || UNITY_PS3 || UNITY_XBOX360 || UNITY_FLASH || UNITY_BKACKBERRY || UNITY_WINRT
+#define UNITY
+#endif
+
 using System;
 using System.Reflection;
 
@@ -26,11 +30,23 @@ namespace MsgPack.Serialization
 	/// <summary>
 	///		Represents serializing member information.
 	/// </summary>
+#if !UNITY
 	internal struct SerializingMember
+#else
+	internal sealed class SerializingMember
+#endif // !UNITY
 	{
 		public readonly MemberInfo Member;
 		public readonly DataMemberContract Contract;
 
+#if UNITY
+		public SerializingMember()
+		{
+			this.Member = null;
+			this.Contract = new DataMemberContract ();
+		}
+#endif // UNITY
+
 		public SerializingMember( MemberInfo member, DataMemberContract contract )
 		{
 			this.Member = member;