2005-11-07 Sebastien Pouliot <sebastien@ximian.com>
[mono.git] / mcs / class / corlib / System.Reflection.Emit / ConstructorBuilder.cs
index 77a16c8c9e0444c15f5a42cd945910bbeaee0104..79ac026725627677ac098fb1e0b5126a9dc6f2c3 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.Reflection;
 using System.Reflection.Emit;
@@ -14,10 +37,16 @@ using System.Globalization;
 using System.Security;
 using System.Security.Permissions;
 using System.Runtime.InteropServices;
+using System.Diagnostics.SymbolStore;
 
 namespace System.Reflection.Emit {
 
-       public sealed class ConstructorBuilder : ConstructorInfo {
+#if NET_2_0
+       [ComVisible (true)]
+       [ComDefaultInterface (typeof (_ConstructorBuilder))]
+#endif
+       [ClassInterface (ClassInterfaceType.None)]
+       public sealed class ConstructorBuilder : ConstructorInfo, _ConstructorBuilder {
                private RuntimeMethodHandle mhandle;
                private ILGenerator ilgen;
                private Type[] parameters;
@@ -37,6 +66,10 @@ namespace System.Reflection.Emit {
                        attrs = attributes | MethodAttributes.SpecialName | MethodAttributes.RTSpecialName;
                        call_conv = callingConvention;
                        if (parameterTypes != null) {
+                               for (int i = 0; i < parameterTypes.Length; ++i)
+                                       if (parameterTypes [i] == null)
+                                               throw new ArgumentException ("Elements of the parameterTypes array cannot be null", "parameterTypes");
+
                                this.parameters = new Type [parameterTypes.Length];
                                System.Array.Copy (parameterTypes, this.parameters, parameterTypes.Length);
                        }
@@ -69,6 +102,15 @@ namespace System.Reflection.Emit {
 
                        return retval;
                }
+               
+               internal override int GetParameterCount ()
+               {
+                       if (parameters == null)
+                               return 0;
+                       
+                       return parameters.Length;
+               }
+               
                public override Object Invoke(Object obj, BindingFlags invokeAttr, Binder binder, Object[] parameters, CultureInfo culture) {
                        throw not_supported ();
                }
@@ -78,7 +120,7 @@ namespace System.Reflection.Emit {
 
                public override RuntimeMethodHandle MethodHandle { 
                        get {
-                               throw not_supported ();
+                               return mhandle;
                        }
                }
 
@@ -141,17 +183,34 @@ namespace System.Reflection.Emit {
                }
 
                public override object [] GetCustomAttributes (bool inherit) {
-                       throw not_supported ();
+                       /*
+                        * On MS.NET, this always returns not_supported, but we can't do this
+                        * since there would be no way to obtain custom attributes of 
+                        * dynamically created ctors.
+                        */
+                       if (type.is_created)
+                               return MonoCustomAttrs.GetCustomAttributes (this, inherit);
+                       else
+                               throw not_supported ();
                }
 
-               public override object [] GetCustomAttributes (Type attribute_type, bool inherit) {
-                       throw not_supported ();
+               public override object [] GetCustomAttributes (Type attributeType, bool inherit) {
+                       if (type.is_created)
+                               return MonoCustomAttrs.GetCustomAttributes (this, attributeType, inherit);
+                       else
+                               throw not_supported ();
                }
 
                public ILGenerator GetILGenerator () {
                        return GetILGenerator (64);
                }
-               internal ILGenerator GetILGenerator (int size) {
+
+#if NET_2_0
+               public
+#else
+               internal 
+#endif
+               ILGenerator GetILGenerator (int size) {
                        ilgen = new ILGenerator (type.Module, ((ModuleBuilder)type.Module).GetTokenGenerator (), size);
                        return ilgen;
                }
@@ -179,6 +238,10 @@ namespace System.Reflection.Emit {
                                cattrs [0] = customBuilder;
                        }
                }
+
+#if NET_2_0
+               [ComVisible (true)]
+#endif
                public void SetCustomAttribute( ConstructorInfo con, byte[] binaryAttribute) {
                        if (con == null)
                                throw new ArgumentNullException ("con");
@@ -206,14 +269,50 @@ namespace System.Reflection.Emit {
                                throw not_after_created ();
                }
 
+#if NET_2_0 || BOOTSTRAP_NET_2_0
+               public override bool Mono_IsInflatedMethod {
+                       get {
+                               return false;
+                       }
+               }
+
+               public override bool HasGenericParameters {
+                       get {
+                               return false;
+                       }
+               }
+
+               public override Module Module {
+                       get {
+                               return base.Module;
+                       }
+               }
+#endif
+
                public override string ToString() {
-                       return "constructor";
+                       return "ConstructorBuilder ['" + type.Name + "']";
                }
 
                internal void fixup () {
+                       if (((attrs & (MethodAttributes.Abstract | MethodAttributes.PinvokeImpl)) == 0) && ((iattrs & (MethodImplAttributes.Runtime | MethodImplAttributes.InternalCall)) == 0)) {
+                       if ((ilgen == null) || (ILGenerator.Mono_GetCurrentOffset (ilgen) == 0))
+                               throw new InvalidOperationException ("Method '" + Name + "' does not have a method body.");
+                       }
                        if (ilgen != null)
                                ilgen.label_fixup ();
                }
+               
+               internal void GenerateDebugInfo (ISymbolWriter symbolWriter)
+               {
+                       if (ilgen != null && ilgen.HasDebugInfo) {
+                               SymbolToken token = new SymbolToken (GetToken().Token);
+                               symbolWriter.OpenMethod (token);
+                               symbolWriter.SetSymAttribute (token, "__name", System.Text.Encoding.UTF8.GetBytes (Name));
+                               ilgen.GenerateDebugInfo (symbolWriter);
+                               symbolWriter.CloseMethod ();
+                       }
+               }
+
                internal override int get_next_table_index (object obj, int table, bool inc) {
                        return type.get_next_table_index (obj, table, inc);
                }
@@ -230,5 +329,25 @@ namespace System.Reflection.Emit {
                private Exception not_after_created () {
                        return new InvalidOperationException ("Unable to change after type has been created.");
                }
+
+               void _ConstructorBuilder.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
+               {
+                       throw new NotImplementedException ();
+               }
+
+               void _ConstructorBuilder.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
+               {
+                       throw new NotImplementedException ();
+               }
+
+               void _ConstructorBuilder.GetTypeInfoCount (out uint pcTInfo)
+               {
+                       throw new NotImplementedException ();
+               }
+
+               void _ConstructorBuilder.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams, IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
+               {
+                       throw new NotImplementedException ();
+               }
        }
 }