This commit was manufactured by cvs2svn to create branch 'mono-1-0'.
[mono.git] / mcs / class / corlib / System.Reflection.Emit / TypeBuilder.cs
index eb452053b399855fbf149f380624a1a8ac319b4b..edcf429d9cc55167a63c75ed876ab94c314b6d44 100644 (file)
@@ -7,6 +7,29 @@
 // (C) 2001 Ximian, Inc.  http://www.ximian.com
 //
 
+//
+// 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.
+//
+
 using System;
 using System.Text;
 using System.Reflection;
@@ -36,12 +59,16 @@ namespace System.Reflection.Emit {
        private EventBuilder[] events;
        private CustomAttributeBuilder[] cattrs;
        internal TypeBuilder[] subtypes;
-       private TypeAttributes attrs;
+       internal TypeAttributes attrs;
        private int table_idx;
        private ModuleBuilder pmodule;
        private int class_size;
        private PackingSize packing_size;
-       private MonoGenericParam[] generic_params;
+#if NET_2_0 || BOOTSTRAP_NET_2_0
+       private GenericTypeParameterBuilder[] generic_params;
+#else
+        private Object generic_params; /* so offsets don't change */
+#endif
        private RefEmitPermissionSet[] permissions;     
        #endregion
        private Type created;
@@ -62,11 +89,15 @@ namespace System.Reflection.Emit {
                [MethodImplAttribute(MethodImplOptions.InternalCall)]
                private extern void setup_generic_class (TypeBuilder tb);
 
+               [MethodImplAttribute(MethodImplOptions.InternalCall)]
+               private extern EventInfo get_event_info (EventBuilder eb);
+
                internal TypeBuilder (ModuleBuilder mb, TypeAttributes attr) {
                        this.parent = null;
                        this.attrs = attr;
-                       this.class_size = -1;
+                       this.class_size = 0;
                        fullname = this.tname = "<Module>";
+                       this.table_idx = 1;
                        this.nspace = "";
                        pmodule = mb;
                        setup_internal_class (this);
@@ -350,7 +381,7 @@ namespace System.Reflection.Emit {
                        return DefineConstructor (attributes, callingConvention, parameterTypes, null, null);
                }
 
-#if NET_1_2
+#if NET_2_0 || BOOTSTRAP_NET_2_0
                public
 #else
                internal
@@ -419,7 +450,7 @@ namespace System.Reflection.Emit {
                        return DefineMethod (name, attributes, callingConvention, returnType, null, null, parameterTypes, null, null);
                }
 
-#if NET_1_2
+#if NET_2_0 || BOOTSTRAP_NET_2_0
                public
 #else
                internal
@@ -444,7 +475,7 @@ namespace System.Reflection.Emit {
                        return DefinePInvokeMethod (name, dllName, entryName, attributes, callingConvention, returnType, null, null, parameterTypes, null, null, nativeCallConv, nativeCharSet);
                }
 
-#if NET_1_2
+#if NET_2_0 || BOOTSTRAP_NET_2_0
                public
 #else
                internal
@@ -515,7 +546,7 @@ namespace System.Reflection.Emit {
                        return DefineField (fieldName, type, null, null, attributes);
                }
 
-#if NET_1_2
+#if NET_2_0 || BOOTSTRAP_NET_2_0
                public
 #else
                internal
@@ -691,6 +722,53 @@ namespace System.Reflection.Emit {
                        return new EventInfo [0];
                }
 
+               // This is only used from MonoGenericInst.initialize().
+               internal EventInfo[] GetEvents_internal (BindingFlags bindingAttr)
+               {
+                       if (events == null)
+                               return new EventInfo [0];
+                       ArrayList l = new ArrayList ();
+                       bool match;
+                       MethodAttributes mattrs;
+                       MethodInfo accessor;
+
+                       foreach (EventBuilder eb in events) {
+                               if (eb == null)
+                                       continue;
+                               EventInfo c = get_event_info (eb);
+                               match = false;
+                               accessor = c.GetAddMethod (true);
+                               if (accessor == null)
+                                       accessor = c.GetRemoveMethod (true);
+                               if (accessor == null)
+                                       continue;
+                               mattrs = accessor.Attributes;
+                               if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
+                                       if ((bindingAttr & BindingFlags.Public) != 0)
+                                               match = true;
+                               } else {
+                                       if ((bindingAttr & BindingFlags.NonPublic) != 0)
+                                               match = true;
+                               }
+                               if (!match)
+                                       continue;
+                               match = false;
+                               if ((mattrs & MethodAttributes.Static) != 0) {
+                                       if ((bindingAttr & BindingFlags.Static) != 0)
+                                               match = true;
+                               } else {
+                                       if ((bindingAttr & BindingFlags.Instance) != 0)
+                                               match = true;
+                               }
+                               if (!match)
+                                       continue;
+                               l.Add (c);
+                       }
+                       EventInfo[] result = new EventInfo [l.Count];
+                       l.CopyTo (result);
+                       return result;
+               }
+
                public override FieldInfo GetField( string name, BindingFlags bindingAttr) {
                        if (fields == null)
                                return null;
@@ -790,16 +868,35 @@ namespace System.Reflection.Emit {
                        throw not_supported ();
                }
 
-               public override MethodInfo[] GetMethods (BindingFlags bindingAttr) {
-                       if (methods == null)
+               private MethodInfo[] GetMethodsByName (string name, BindingFlags bindingAttr, bool ignoreCase, Type reflected_type) {
+                       MethodInfo[] candidates;
+                       if (((bindingAttr & BindingFlags.DeclaredOnly) == 0) && (parent != null)) {
+                               MethodInfo[] parent_methods = parent.GetMethods (bindingAttr);
+                               if (methods == null)
+                                       candidates = parent_methods;
+                               else {
+                                       candidates = new MethodInfo [methods.Length + parent_methods.Length];
+                                       parent_methods.CopyTo (candidates, 0);
+                                       methods.CopyTo (candidates, parent_methods.Length);
+                               }
+                       }
+                       else
+                               candidates = methods;
+                                       
+                       if (candidates == null)
                                return new MethodInfo [0];
+
                        ArrayList l = new ArrayList ();
                        bool match;
                        MethodAttributes mattrs;
 
-                       foreach (MethodInfo c in methods) {
+                       foreach (MethodInfo c in candidates) {
                                if (c == null)
                                        continue;
+                               if (name != null) {
+                                       if (String.Compare (c.Name, name, ignoreCase) != 0)
+                                               continue;
+                               }
                                match = false;
                                mattrs = c.Attributes;
                                if ((mattrs & MethodAttributes.MemberAccessMask) == MethodAttributes.Public) {
@@ -823,15 +920,67 @@ namespace System.Reflection.Emit {
                                        continue;
                                l.Add (c);
                        }
+
                        MethodInfo[] result = new MethodInfo [l.Count];
                        l.CopyTo (result);
                        return result;
                }
 
-               protected override MethodInfo GetMethodImpl( string name, BindingFlags bindingAttr, Binder binder, CallingConventions callConvention, Type[] types, ParameterModifier[] modifiers) {
-                       throw not_supported ();
+               public override MethodInfo[] GetMethods (BindingFlags bindingAttr) {
+                       return GetMethodsByName (null, bindingAttr, false, this);
                }
-               
+
+               protected override MethodInfo GetMethodImpl (string name, BindingFlags bindingAttr,
+                                                            Binder binder,
+                                                            CallingConventions callConvention,
+                                                            Type[] types, ParameterModifier[] modifiers)
+               {
+                       if (!is_created)
+                               /* MS.Net throws this exception if the type is unfinished... */
+                               throw not_supported ();
+
+                       bool ignoreCase = ((bindingAttr & BindingFlags.IgnoreCase) != 0);
+                       MethodInfo[] methods = GetMethodsByName (name, bindingAttr, ignoreCase, this);
+                       MethodInfo found = null;
+                       MethodBase[] match;
+                       int typesLen = (types != null) ? types.Length : 0;
+                       int count = 0;
+                       
+                       foreach (MethodInfo m in methods) {
+                               // Under MS.NET, Standard|HasThis matches Standard...
+                               if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
+                                       continue;
+                               found = m;
+                               count++;
+                       }
+
+                       if (count == 0)
+                               return null;
+                       
+                       if (count == 1 && typesLen == 0) 
+                               return found;
+
+                       match = new MethodBase [count];
+                       if (count == 1)
+                               match [0] = found;
+                       else {
+                               count = 0;
+                               foreach (MethodInfo m in methods) {
+                                       if (callConvention != CallingConventions.Any && ((m.CallingConvention & callConvention) != callConvention))
+                                               continue;
+                                       match [count++] = m;
+                               }
+                       }
+                       
+                       if (types == null) 
+                               return (MethodInfo) Binder.FindMostDerivedMatch (match);
+
+                       if (binder == null)
+                               binder = Binder.DefaultBinder;
+                       
+                       return (MethodInfo)binder.SelectMethod (bindingAttr, match, types, modifiers);
+               }
+
                public override Type GetNestedType( string name, BindingFlags bindingAttr) {
                        throw not_supported ();
                }
@@ -839,7 +988,7 @@ namespace System.Reflection.Emit {
                public override Type[] GetNestedTypes (BindingFlags bindingAttr) {
                        bool match;
                        ArrayList result = new ArrayList ();
-               
+
                        if (subtypes == null)
                                return Type.EmptyTypes;
                        foreach (TypeBuilder t in subtypes) {
@@ -983,8 +1132,19 @@ namespace System.Reflection.Emit {
                                for (int i = 0; i < nnamed; ++i) {
                                        byte named_type = data [pos++];
                                        byte type = data [pos++];
-                                       int len = CustomAttributeBuilder.decode_len (data, pos, out pos);
-                                       string named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
+                                       int len;
+                                       string named_name;
+
+                                       if (type == 0x55) {
+                                               len = CustomAttributeBuilder.decode_len (data, pos, out pos);
+                                               string named_typename = CustomAttributeBuilder.string_from_bytes (data, pos, len);
+                                               pos += len;
+                                               // FIXME: Check that 'named_type' and 'named_typename' match, etc.
+                                               //        See related code/FIXME in mono/mono/metadata/reflection.c
+                                       }
+
+                                       len = CustomAttributeBuilder.decode_len (data, pos, out pos);
+                                       named_name = CustomAttributeBuilder.string_from_bytes (data, pos, len);
                                        pos += len;
                                        /* all the fields are integers in StructLayout */
                                        int value = (int)data [pos++];
@@ -1098,6 +1258,8 @@ namespace System.Reflection.Emit {
                                throw not_after_created ();
 
                        parent = parentType;
+                       // will just set the parent-related bits if called a second time
+                       setup_internal_class (this);
                }
                internal int get_next_table_index (object obj, int table, bool inc) {
                        return pmodule.get_next_table_index (obj, table, inc);
@@ -1137,7 +1299,32 @@ namespace System.Reflection.Emit {
                                throw new ArgumentException (argName, "Illegal name.");
                }
 
-#if NET_1_2
+               public override String ToString ()
+               {
+                       return FullName;
+               }
+
+               [MonoTODO]
+               public override bool IsAssignableFrom (Type c)
+               {
+                       return base.IsAssignableFrom (c);
+               }
+
+               [MonoTODO]
+               public override bool IsSubclassOf (Type c)
+               {
+                       return base.IsSubclassOf (c);
+               }
+
+#if NET_2_0 || BOOTSTRAP_NET_2_0
+               public override Type[] GetGenericArguments ()
+               {
+                       if (generic_params != null)
+                               return generic_params;
+
+                       throw new InvalidOperationException ();
+               }
+
                public override Type GetGenericTypeDefinition ()
                {
                        setup_generic_class (this);
@@ -1153,7 +1340,7 @@ namespace System.Reflection.Emit {
 
                public override bool ContainsGenericParameters {
                        get {
-                               throw new NotImplementedException ();
+                               return generic_params != null;
                        }
                }
 
@@ -1174,29 +1361,14 @@ namespace System.Reflection.Emit {
                        }
                }
 
-               [MethodImplAttribute(MethodImplOptions.InternalCall)]
-               private extern MonoGenericParam define_generic_parameter (string name, int index);
-               
-               public Type DefineGenericParameter (string name)
+               public GenericTypeParameterBuilder[] DefineGenericParameters (string[] names)
                {
-                       int index;
-                       if (generic_params != null) {
-                               MonoGenericParam[] new_generic_params = new MonoGenericParam [generic_params.Length+1];
-                               System.Array.Copy (generic_params, new_generic_params, generic_params.Length);
-                               index = generic_params.Length;
-                               generic_params = new_generic_params;
-                       } else {
-                               generic_params = new MonoGenericParam [1];
-                               index = 0;
-                       }
+                       generic_params = new GenericTypeParameterBuilder [names.Length];
+                       for (int i = 0; i < names.Length; i++)
+                               generic_params [i] = new GenericTypeParameterBuilder (
+                                       this, null, names [i], i);
 
-                       generic_params [index] = define_generic_parameter (name, index);
-                       return generic_params [index];
-               }
-
-               public void SetGenericParameterConstraints (int index, Type[] constraints)
-               {
-                       generic_params [index].SetConstraints (constraints);
+                       return generic_params;
                }
 
                public MethodBuilder DefineGenericMethod (string name, MethodAttributes attributes)