2008-11-17 Rodrigo Kumpera <rkumpera@novell.com>
[mono.git] / mcs / class / corlib / System.Reflection / MonoField.cs
old mode 100755 (executable)
new mode 100644 (file)
index 3f537cf..c061f63
@@ -1,4 +1,27 @@
 
+//
+// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+// 
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
 //
 // System.Reflection/MonoField.cs
 // The class used to represent Fields from the mono runtime.
@@ -13,10 +36,12 @@ using System;
 using System.Globalization;
 using System.Runtime.CompilerServices;
 using System.Runtime.InteropServices;
+using System.Runtime.Serialization;
 
 namespace System.Reflection {
-       
-       internal sealed class MonoField : FieldInfo {
+
+       [Serializable]
+       internal class MonoField : FieldInfo, ISerializable {
                internal IntPtr klass;
                internal RuntimeFieldHandle fhandle;
                string name;
@@ -70,11 +95,18 @@ namespace System.Reflection {
                        return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
                }
 
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               internal override extern int GetFieldOffset ();
+
                [MethodImplAttribute(MethodImplOptions.InternalCall)]
                private extern object GetValueInternal (object obj);
 
                public override object GetValue (object obj)
                {
+                       if (!IsStatic && obj == null)
+                               throw new TargetException ("Non-static field requires a target");
+                       if (!IsLiteral)
+                               CheckGeneric ();
                        return GetValueInternal (obj);
                }
 
@@ -88,11 +120,50 @@ namespace System.Reflection {
                public override void SetValue (object obj, object val, BindingFlags invokeAttr, Binder binder, CultureInfo culture)
                {
                        if (!IsStatic && obj == null)
-                               throw new ArgumentNullException ("obj");
+                               throw new TargetException ("Non-static field requires a target");
+                       if (IsLiteral)
+                               throw new FieldAccessException ("Cannot set a constant field");
                        if (binder == null)
                                binder = Binder.DefaultBinder;
-                       object realval = binder.ChangeType (val, type, culture);
-                       SetValueInternal (this, obj, realval);
+                       CheckGeneric ();
+                       if (val != null) {
+                               object newVal;
+                               newVal = binder.ChangeType (val, type, culture);
+                               if (newVal == null)
+                                       throw new ArgumentException ("Object type " + val.GetType() + " cannot be converted to target type: " + type, "val");
+                               val = newVal;
+                       }
+                       SetValueInternal (this, obj, val);
                }
+               
+               internal MonoField Clone (string newName)
+               {
+                       MonoField field = new MonoField ();
+                       field.name = newName;
+                       field.type = type;
+                       field.attrs = attrs;
+                       field.klass = klass;
+                       field.fhandle = fhandle;
+                       return field;
+               }
+
+               // ISerializable
+               public void GetObjectData (SerializationInfo info, StreamingContext context) 
+               {
+                       MemberInfoSerializationHolder.Serialize (info, Name, ReflectedType,
+                               ToString(), MemberTypes.Field);
+               }
+
+#if NET_2_0
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               public override extern object GetRawConstantValue ();
+#endif
+
+               void CheckGeneric () {
+#if NET_2_0
+                       if (DeclaringType.ContainsGenericParameters)
+                               throw new InvalidOperationException ("Late bound operations cannot be performed on fields with types for which Type.ContainsGenericParameters is true.");
+#endif
+           }
        }
 }