Merge pull request #3066 from alexanderkyte/pedump_sgen
[mono.git] / mcs / class / corlib / ReferenceSources / RuntimeType.cs
index c8fae32d36363d570e0c0385504f5d21042fb400..f577efcd5ca871464b7ed8ca65b028a35086fd98 100644 (file)
@@ -41,12 +41,78 @@ using System.Runtime.Serialization;
 
 namespace System
 {
+       // Contains information about the type which is expensive to compute
+       [StructLayout (LayoutKind.Sequential)]
+       internal class MonoTypeInfo {
+               // this is the displayed form: special characters
+               // ,+*&*[]\ in the identifier portions of the names
+               // have been escaped with a leading backslash (\)
+               public string full_name;
+               public MonoCMethod default_ctor;
+       }
+
+       [StructLayout (LayoutKind.Sequential)]
        partial class RuntimeType
        {
-               internal virtual MonoCMethod GetDefaultConstructor ()
+               [NonSerialized]
+               MonoTypeInfo type_info;
+
+               internal Object GenericCache;
+
+               internal RuntimeType (Object obj)
+               {
+                       throw new NotImplementedException ();
+               }
+
+               internal MonoCMethod GetDefaultConstructor ()
+               {
+                       MonoCMethod ctor = null;
+
+                       if (type_info == null)
+                               type_info = new MonoTypeInfo ();
+                       else
+                               ctor = type_info.default_ctor;
+
+                       if (ctor == null) {
+                               var ctors = GetConstructors (BindingFlags.Public | BindingFlags.Instance | BindingFlags.NonPublic | BindingFlags.DeclaredOnly);
+
+                               for (int i = 0; i < ctors.Length; ++i) {
+                                       if (ctors [i].GetParametersCount () == 0) {
+                                               type_info.default_ctor = ctor = (MonoCMethod) ctors [i];
+                                               break;
+                                       }
+                               }
+                       }
+
+                       return ctor;
+               }
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               extern MethodInfo GetCorrespondingInflatedMethod (MethodInfo generic);
+
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               extern ConstructorInfo GetCorrespondingInflatedConstructor (ConstructorInfo generic);
+
+               internal override MethodInfo GetMethod (MethodInfo fromNoninstanciated)
+                {
+                       if (fromNoninstanciated == null)
+                               throw new ArgumentNullException ("fromNoninstanciated");
+                        return GetCorrespondingInflatedMethod (fromNoninstanciated);
+                }
+
+               internal override ConstructorInfo GetConstructor (ConstructorInfo fromNoninstanciated)
+               {
+                       if (fromNoninstanciated == null)
+                               throw new ArgumentNullException ("fromNoninstanciated");
+                        return GetCorrespondingInflatedConstructor (fromNoninstanciated);
+               }
+
+               internal override FieldInfo GetField (FieldInfo fromNoninstanciated)
                {
-                       // TODO: Requires MonoType
-                       throw new NotSupportedException ();
+                       /* create sensible flags from given FieldInfo */
+                       BindingFlags flags = fromNoninstanciated.IsStatic ? BindingFlags.Static : BindingFlags.Instance;
+                       flags |= fromNoninstanciated.IsPublic ? BindingFlags.Public : BindingFlags.NonPublic;
+                       return GetField (fromNoninstanciated.Name, flags);
                }
 
                string GetDefaultMemberName ()
@@ -584,12 +650,6 @@ namespace System
                        get;
                }
 
-               public override string FullName {
-                       get {
-                               throw new NotImplementedException ();
-                       }
-               }
-
                public extern override string Name {
                        [MethodImplAttribute(MethodImplOptions.InternalCall)]
                        get;
@@ -600,6 +660,12 @@ namespace System
                        get;
                }
 
+#if MOBILE
+               static int get_core_clr_security_level ()
+               {
+                       return 1;
+               }
+#else
                //seclevel { transparent = 0, safe-critical = 1, critical = 2}
                [MethodImplAttribute(MethodImplOptions.InternalCall)]
                public extern int get_core_clr_security_level ();
@@ -614,6 +680,34 @@ namespace System
 
                public override bool IsSecuritySafeCritical {
                        get { return get_core_clr_security_level () == 1; }
-               }               
+               }
+#endif
+
+               public override int GetHashCode()
+               {
+                       Type t = UnderlyingSystemType;
+                       if (t != null && t != this)
+                               return t.GetHashCode ();
+                       return (int)_impl.Value;
+               }
+
+               public override string FullName {
+                       get {
+                               string fullName;
+                               // This doesn't need locking
+                               if (type_info == null)
+                                       type_info = new MonoTypeInfo ();
+                               if ((fullName = type_info.full_name) == null)
+                                       fullName = type_info.full_name = getFullName (true, false);
+
+                               return fullName;
+                       }
+               }
+
+               internal override bool IsUserType {
+                       get {
+                               return false;
+                       }
+               }
        }
 }