Merge System/MonoType.cs into ReferenceSources/RuntimeType.cs, use th… (#3045)

[mono.git] / mcs / class / corlib / System / RuntimeTypeHandle.cs

diff --git a/mcs/class/corlib/System/RuntimeTypeHandle.cs b/mcs/class/corlib/System/RuntimeTypeHandle.cs
index 3875173e2fb8e0ce9bea9dd6a8246bb95c964091..eb6c42f097648ff77d290c66f24e2a600768da87 100644 (file)
--- a/mcs/class/corlib/System/RuntimeTypeHandle.cs
+++ b/mcs/class/corlib/System/RuntimeTypeHandle.cs
@@ -33,17 +33,15 @@
 
 using System.Runtime.Serialization;
 using System.Runtime.InteropServices;
-
-#if NET_2_0
 using System.Runtime.ConstrainedExecution;
-#endif
+using System.Threading;
+using System.Runtime.CompilerServices;
+using System.Reflection;
+using System.Diagnostics.Contracts;
 
 namespace System
 {
-#if NET_2_0
        [ComVisible (true)]
-#endif
-       [MonoTODO ("Serialization needs tests")]
        [Serializable]
        public struct RuntimeTypeHandle : ISerializable
        {
@@ -54,12 +52,17 @@ namespace System
                        value = val;
                }
 
+               internal RuntimeTypeHandle (RuntimeType type)
+                       : this (type._impl.value)
+               {
+               }
+
                RuntimeTypeHandle (SerializationInfo info, StreamingContext context)
                {
                        if (info == null)
                                throw new ArgumentNullException ("info");
 
-                       MonoType mt = ((MonoType) info.GetValue ("TypeObj", typeof (MonoType)));
+                       RuntimeType mt = ((RuntimeType) info.GetValue ("TypeObj", typeof (RuntimeType)));
                        value = mt.TypeHandle.Value;
                        if (value == IntPtr.Zero)
                                throw new SerializationException (Locale.GetText ("Insufficient state."));
@@ -76,10 +79,12 @@ namespace System
                        if (info == null)
                                throw new ArgumentNullException ("info");
 
-                       info.AddValue ("TypeObj", Type.GetTypeHandle (this), typeof (MonoType));
+                       if (value == IntPtr.Zero)
+                               throw new SerializationException ("Object fields may not be properly initialized");
+
+                       info.AddValue ("TypeObj", Type.GetTypeHandle (this), typeof (RuntimeType));
                }
 
-#if NET_2_0
                [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
                public override bool Equals (object obj)
                {
@@ -100,14 +105,14 @@ namespace System
                        return value.GetHashCode ();
                }
 
-               public static bool operator == (RuntimeTypeHandle left, RuntimeTypeHandle right)
+               public static bool operator == (RuntimeTypeHandle left, Object right)
                {
-                       return left.Equals (right);
+                       return (right != null) && (right is RuntimeTypeHandle) && left.Equals ((RuntimeTypeHandle)right);
                }
 
-               public static bool operator != (RuntimeTypeHandle left, RuntimeTypeHandle right)
+               public static bool operator != (RuntimeTypeHandle left, Object right)
                {
-                       return !left.Equals (right);
+                       return (right == null) || !(right is RuntimeTypeHandle) || !left.Equals ((RuntimeTypeHandle)right);
                }
 
                public static bool operator == (Object left, RuntimeTypeHandle right)
@@ -120,11 +125,123 @@ namespace System
                        return (left == null) || !(left is RuntimeTypeHandle) || !((RuntimeTypeHandle)left).Equals (right);
                }
 
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal static extern TypeAttributes GetAttributes (RuntimeType type);
+
                [CLSCompliant (false)]
                [ReliabilityContractAttribute (Consistency.WillNotCorruptState, Cer.Success)]
-               public ModuleHandle GetModuleHandle () {
+               public ModuleHandle GetModuleHandle ()
+               {
+                       // Although MS' runtime is crashing here, we prefer throwing an exception.
+                       // The check is needed because Type.GetTypeFromHandle returns null
+                       // for zero handles.
+                       if (value == IntPtr.Zero)
+                               throw new InvalidOperationException ("Object fields may not be properly initialized");
+
                        return Type.GetTypeFromHandle (this).Module.ModuleHandle;
                }
-#endif
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               static extern int GetMetadataToken (RuntimeType type);
+
+               internal static int GetToken (RuntimeType type)
+               {
+                       return GetMetadataToken (type);
+               }
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               extern static Type GetGenericTypeDefinition_impl (RuntimeType type);
+
+               internal static Type GetGenericTypeDefinition (RuntimeType type)
+               {
+                       return GetGenericTypeDefinition_impl (type);
+               }
+
+               internal static bool HasElementType (RuntimeType type)
+               {
+                       return IsArray (type) || IsByRef (type) || IsPointer (type);
+               }
+
+               internal static bool HasProxyAttribute (RuntimeType type)
+               {
+                       throw new NotImplementedException ("HasProxyAttribute");
+               }
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static bool HasInstantiation (RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static bool IsArray(RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static bool IsByRef (RuntimeType type);
+
+               [MethodImplAttribute (MethodImplOptions.InternalCall)]
+               internal extern static bool IsComObject (RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static bool IsInstanceOfType (RuntimeType type, Object o);              
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static bool IsPointer (RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static bool IsPrimitive (RuntimeType type);
+
+               internal static bool IsComObject (RuntimeType type, bool isGenericCOM)
+               {
+                       return isGenericCOM ? false : IsComObject (type);
+               }
+
+               internal static bool IsContextful (RuntimeType type)
+               {
+                       return typeof (ContextBoundObject).IsAssignableFrom (type);
+               }
+
+               internal static bool IsEquivalentTo (RuntimeType rtType1, RuntimeType rtType2)
+               {
+                       // refence check is done earlier and we don't recognize anything else
+                       return false;
+               }               
+
+               internal static bool IsSzArray(RuntimeType type)
+               {
+                       // TODO: Better check
+                       return IsArray (type) && type.GetArrayRank () == 1;
+               }
+
+               internal static bool IsInterface (RuntimeType type)
+               {
+                       return (type.Attributes & TypeAttributes.ClassSemanticsMask) == TypeAttributes.Interface;
+               }
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static int GetArrayRank(RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static RuntimeAssembly GetAssembly (RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static RuntimeType GetElementType (RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static RuntimeModule GetModule (RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static bool IsGenericVariable (RuntimeType type);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static RuntimeType GetBaseType (RuntimeType type);
+
+               internal static bool CanCastTo (RuntimeType type, RuntimeType target)
+               {
+                       return type_is_assignable_from (target, type);
+               }
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               static extern bool type_is_assignable_from (Type a, Type b);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal extern static bool IsGenericTypeDefinition (RuntimeType type);
        }
 }