tools/corcompare/mono-api-info.cs

   1 //
   2 // mono-api-info.cs - Dumps public assembly information to an xml file.
   3 //
   4 // Authors:
   5 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   6 //
   7 // Copyright (C) 2003-2008 Novell, Inc (http://www.novell.com)
   8 //
   9
  10 using System;
  11 using System.Collections;
  12 using System.Collections.Generic;
  13 using System.Globalization;
  14 using System.Runtime.InteropServices;
  15 using System.Security.Permissions;
  16 using System.Text;
  17 using System.Xml;
  18
  19 using Mono.Cecil;
  20 using Mono.Cecil.Cil;
  21
  22 namespace CorCompare
  23 {
  24         public class Driver
  25         {
  26                 public static int Main (string [] args)
  27                 {
  28                         if (args.Length == 0)
  29                                 return 1;
  30
  31                         AssemblyCollection acoll = new AssemblyCollection ();
  32
  33                         foreach (string fullName in args) {
  34                                 acoll.Add (fullName);
  35                         }
  36
  37                         XmlDocument doc = new XmlDocument ();
  38                         acoll.Document = doc;
  39                         acoll.DoOutput ();
  40
  41                         var writer = new WellFormedXmlWriter (new XmlTextWriter (Console.Out) { Formatting = Formatting.Indented });
  42                         XmlNode decl = doc.CreateXmlDeclaration ("1.0", "utf-8", null);
  43                         doc.InsertBefore (decl, doc.DocumentElement);
  44                         doc.WriteTo (writer);
  45                         return 0;
  46                 }
  47         }
  48
  49         public class Utils {
  50
  51                 public static string CleanupTypeName (TypeReference type)
  52                 {
  53                         return CleanupTypeName (type.FullName);
  54                 }
  55
  56                 static string CleanupTypeName (string t)
  57                 {
  58                         return t.Replace ('<', '[').Replace ('>', ']').Replace ('/', '+');
  59                 }
  60         }
  61
  62         class AssemblyCollection
  63         {
  64                 XmlDocument document;
  65                 List<AssemblyDefinition> assemblies = new List<AssemblyDefinition> ();
  66
  67                 public AssemblyCollection ()
  68                 {
  69                 }
  70
  71                 public bool Add (string name)
  72                 {
  73                         AssemblyDefinition ass = LoadAssembly (name);
  74                         if (ass == null)
  75                                 return false;
  76
  77                         assemblies.Add (ass);
  78                         return true;
  79                 }
  80
  81                 public void DoOutput ()
  82                 {
  83                         if (document == null)
  84                                 throw new InvalidOperationException ("Document not set");
  85
  86                         XmlNode nassemblies = document.CreateElement ("assemblies", null);
  87                         document.AppendChild (nassemblies);
  88                         foreach (AssemblyDefinition a in assemblies) {
  89                                 AssemblyData data = new AssemblyData (document, nassemblies, a);
  90                                 data.DoOutput ();
  91                         }
  92                 }
  93
  94                 public XmlDocument Document {
  95                         set { document = value; }
  96                 }
  97
  98                 AssemblyDefinition LoadAssembly (string assembly)
  99                 {
 100                         try {
 101                                 return TypeHelper.Resolver.Resolve (assembly);
 102                         } catch {
 103                                 return null;
 104                         }
 105                 }
 106         }
 107
 108         abstract class BaseData
 109         {
 110                 protected XmlDocument document;
 111                 protected XmlNode parent;
 112
 113                 protected BaseData (XmlDocument doc, XmlNode parent)
 114                 {
 115                         this.document = doc;
 116                         this.parent = parent;
 117                 }
 118
 119                 public abstract void DoOutput ();
 120
 121                 protected void AddAttribute (XmlNode node, string name, string value)
 122                 {
 123                         XmlAttribute attr = document.CreateAttribute (name);
 124                         attr.Value = value;
 125                         node.Attributes.Append (attr);
 126                 }
 127         }
 128
 129         class AssemblyData : BaseData
 130         {
 131                 AssemblyDefinition ass;
 132
 133                 public AssemblyData (XmlDocument document, XmlNode parent, AssemblyDefinition ass)
 134                         : base (document, parent)
 135                 {
 136                         this.ass = ass;
 137                 }
 138
 139                 public override void DoOutput ()
 140                 {
 141                         if (document == null)
 142                                 throw new InvalidOperationException ("Document not set");
 143
 144                         XmlNode nassembly = document.CreateElement ("assembly", null);
 145                         AssemblyNameDefinition aname = ass.Name;
 146                         AddAttribute (nassembly, "name", aname.Name);
 147                         AddAttribute (nassembly, "version", aname.Version.ToString ());
 148                         parent.AppendChild (nassembly);
 149                         AttributeData.OutputAttributes (document, nassembly, ass.CustomAttributes);
 150                         TypeDefinitionCollection typesCollection = ass.MainModule.Types;
 151                         if (typesCollection == null || typesCollection.Count == 0)
 152                                 return;
 153                         object [] typesArray = new object [typesCollection.Count];
 154                         for (int i = 0; i < typesCollection.Count; i++) {
 155                                 typesArray [i] = typesCollection [i];
 156                         }
 157                         Array.Sort (typesArray, TypeReferenceComparer.Default);
 158
 159                         XmlNode nss = document.CreateElement ("namespaces", null);
 160                         nassembly.AppendChild (nss);
 161
 162                         string current_namespace = "$%&$&";
 163                         XmlNode ns = null;
 164                         XmlNode classes = null;
 165                         foreach (TypeDefinition t in typesArray) {
 166                                 if (string.IsNullOrEmpty (t.Namespace))
 167                                         continue;
 168
 169                                 if ((t.Attributes & TypeAttributes.VisibilityMask) != TypeAttributes.Public)
 170                                         continue;
 171
 172                                 if (t.DeclaringType != null)
 173                                         continue; // enforce !nested
 174
 175                                 if (t.Namespace != current_namespace) {
 176                                         current_namespace = t.Namespace;
 177                                         ns = document.CreateElement ("namespace", null);
 178                                         AddAttribute (ns, "name", current_namespace);
 179                                         nss.AppendChild (ns);
 180                                         classes = document.CreateElement ("classes", null);
 181                                         ns.AppendChild (classes);
 182                                 }
 183
 184                                 TypeData bd = new TypeData (document, classes, t);
 185                                 bd.DoOutput ();
 186                         }
 187                 }
 188         }
 189
 190         abstract class MemberData : BaseData
 191         {
 192                 MemberReference [] members;
 193
 194                 public MemberData (XmlDocument document, XmlNode parent, MemberReference [] members)
 195                         : base (document, parent)
 196                 {
 197                         this.members = members;
 198                 }
 199
 200                 public override void DoOutput ()
 201                 {
 202                         XmlNode mclass = document.CreateElement (ParentTag, null);
 203                         parent.AppendChild (mclass);
 204
 205                         foreach (MemberReference member in members) {
 206                                 XmlNode mnode = document.CreateElement (Tag, null);
 207                                 mclass.AppendChild (mnode);
 208                                 AddAttribute (mnode, "name", GetName (member));
 209                                 if (!NoMemberAttributes)
 210                                         AddAttribute (mnode, "attrib", GetMemberAttributes (member));
 211
 212                                 AttributeData.OutputAttributes (document, mnode, GetCustomAttributes (member));
 213
 214                                 AddExtraData (mnode, member);
 215                         }
 216                 }
 217
 218
 219                 protected abstract CustomAttributeCollection GetCustomAttributes (MemberReference member);
 220
 221                 protected virtual void AddExtraData (XmlNode p, MemberReference memberDefenition)
 222                 {
 223                 }
 224
 225                 protected virtual string GetName (MemberReference memberDefenition)
 226                 {
 227                         return "NoNAME";
 228                 }
 229
 230                 protected virtual string GetMemberAttributes (MemberReference memberDefenition)
 231                 {
 232                         return null;
 233                 }
 234
 235                 public virtual bool NoMemberAttributes {
 236                         get { return false; }
 237                         set {}
 238                 }
 239
 240                 public virtual string ParentTag {
 241                         get { return "NoPARENTTAG"; }
 242                 }
 243
 244                 public virtual string Tag {
 245                         get { return "NoTAG"; }
 246                 }
 247
 248                 public static void OutputGenericParameters (XmlDocument document, XmlNode nclass, IGenericParameterProvider provider)
 249                 {
 250                         if (provider.GenericParameters.Count == 0)
 251                                 return;
 252
 253                         var gparameters = provider.GenericParameters;
 254
 255                         XmlElement ngeneric = document.CreateElement (string.Format ("generic-parameters"));
 256                         nclass.AppendChild (ngeneric);
 257
 258                         foreach (GenericParameter gp in gparameters) {
 259                                 XmlElement nparam = document.CreateElement (string.Format ("generic-parameter"));
 260                                 nparam.SetAttribute ("name", gp.Name);
 261                                 nparam.SetAttribute ("attributes", ((int) gp.Attributes).ToString ());
 262
 263                                 AttributeData.OutputAttributes (document, nparam, gp.CustomAttributes);
 264
 265                                 ngeneric.AppendChild (nparam);
 266
 267                                 var constraints = gp.Constraints;
 268                                 if (constraints.Count == 0)
 269                                         continue;
 270
 271                                 XmlElement nconstraint = document.CreateElement ("generic-parameter-constraints");
 272
 273                                 foreach (TypeReference constraint in constraints) {
 274                                         XmlElement ncons = document.CreateElement ("generic-parameter-constraint");
 275                                         ncons.SetAttribute ("name", Utils.CleanupTypeName (constraint));
 276                                         nconstraint.AppendChild (ncons);
 277                                 }
 278
 279                                 nparam.AppendChild (nconstraint);
 280                         }
 281                 }
 282         }
 283
 284         class TypeData : MemberData
 285         {
 286                 TypeDefinition type;
 287
 288                 public TypeData (XmlDocument document, XmlNode parent, TypeDefinition type)
 289                         : base (document, parent, null)
 290                 {
 291                         this.type = type;
 292                 }
 293
 294                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 295                         return ((TypeDefinition) member).CustomAttributes;
 296                 }
 297
 298                 public override void DoOutput ()
 299                 {
 300                         if (document == null)
 301                                 throw new InvalidOperationException ("Document not set");
 302
 303                         XmlNode nclass = document.CreateElement ("class", null);
 304                         AddAttribute (nclass, "name", type.Name);
 305                         string classType = GetClassType (type);
 306                         AddAttribute (nclass, "type", classType);
 307
 308                         if (type.BaseType != null)
 309                                 AddAttribute (nclass, "base", Utils.CleanupTypeName (type.BaseType));
 310
 311                         if (type.IsSealed)
 312                                 AddAttribute (nclass, "sealed", "true");
 313
 314                         if (type.IsAbstract)
 315                                 AddAttribute (nclass, "abstract", "true");
 316
 317                         if ( (type.Attributes & TypeAttributes.Serializable) != 0 || type.IsEnum)
 318                                 AddAttribute (nclass, "serializable", "true");
 319
 320                         string charSet = GetCharSet (type);
 321                         AddAttribute (nclass, "charset", charSet);
 322
 323                         string layout = GetLayout (type);
 324                         if (layout != null)
 325                                 AddAttribute (nclass, "layout", layout);
 326
 327                         parent.AppendChild (nclass);
 328
 329                         AttributeData.OutputAttributes (document, nclass, GetCustomAttributes(type));
 330
 331                         XmlNode ifaces = null;
 332
 333                         foreach (TypeReference iface in  TypeHelper.GetInterfaces (type)) {
 334                                 if (!TypeHelper.IsPublic (iface))
 335                                         // we're only interested in public interfaces
 336                                         continue;
 337
 338                                 if (ifaces == null) {
 339                                         ifaces = document.CreateElement ("interfaces", null);
 340                                         nclass.AppendChild (ifaces);
 341                                 }
 342
 343                                 XmlNode iface_node = document.CreateElement ("interface", null);
 344                                 AddAttribute (iface_node, "name", Utils.CleanupTypeName (iface));
 345                                 ifaces.AppendChild (iface_node);
 346                         }
 347
 348                         MemberData.OutputGenericParameters (document, nclass, type);
 349
 350                         ArrayList members = new ArrayList ();
 351
 352                         FieldDefinition [] fields = GetFields (type);
 353                         if (fields.Length > 0) {
 354                                 Array.Sort (fields, MemberReferenceComparer.Default);
 355                                 FieldData fd = new FieldData (document, nclass, fields);
 356                                 members.Add (fd);
 357                         }
 358
 359                         if (type.IsEnum) {
 360                                 var value_type = GetEnumValueField (type);
 361                                 if (value_type == null)
 362                                         throw new NotSupportedException ();
 363
 364                                 AddAttribute (nclass, "enumtype", Utils.CleanupTypeName (value_type.FieldType));
 365                         }
 366
 367                         MethodDefinition [] ctors = GetConstructors (type);
 368                         if (ctors.Length > 0) {
 369                                 Array.Sort (ctors, MemberReferenceComparer.Default);
 370                                 members.Add (new ConstructorData (document, nclass, ctors));
 371                         }
 372
 373                         PropertyDefinition[] properties = GetProperties (type);
 374                         if (properties.Length > 0) {
 375                                 Array.Sort (properties, MemberReferenceComparer.Default);
 376                                 members.Add (new PropertyData (document, nclass, properties));
 377                         }
 378
 379                         EventDefinition [] events = GetEvents (type);
 380                         if (events.Length > 0) {
 381                                 Array.Sort (events, MemberReferenceComparer.Default);
 382                                 members.Add (new EventData (document, nclass, events));
 383                         }
 384
 385                         MethodDefinition [] methods = GetMethods (type);
 386                         if (methods.Length > 0) {
 387                                 Array.Sort (methods, MemberReferenceComparer.Default);
 388                                 members.Add (new MethodData (document, nclass, methods));
 389                         }
 390
 391                         foreach (MemberData md in members)
 392                                 md.DoOutput ();
 393
 394                         NestedTypeCollection nested = type.NestedTypes;
 395                         //remove non public(familiy) and nested in second degree
 396                         for (int i = nested.Count - 1; i >= 0; i--) {
 397                                 TypeDefinition t = nested [i];
 398                                 if ((t.Attributes & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic ||
 399                                         (t.Attributes & TypeAttributes.VisibilityMask) == TypeAttributes.NestedFamily ||
 400                                         (t.Attributes & TypeAttributes.VisibilityMask) == TypeAttributes.NestedFamORAssem) {
 401                                         // public
 402                                         if (t.DeclaringType == type)
 403                                                 continue; // not nested of nested
 404                                 }
 405
 406                                 nested.RemoveAt (i);
 407                         }
 408
 409
 410                         if (nested.Count > 0) {
 411                                 XmlNode classes = document.CreateElement ("classes", null);
 412                                 nclass.AppendChild (classes);
 413                                 foreach (TypeDefinition t in nested) {
 414                                         TypeData td = new TypeData (document, classes, t);
 415                                         td.DoOutput ();
 416                                 }
 417                         }
 418                 }
 419
 420                 static FieldReference GetEnumValueField (TypeDefinition type)
 421                 {
 422                         foreach (FieldDefinition field in type.Fields)
 423                                 if (field.IsSpecialName && field.Name == "value__")
 424                                         return field;
 425
 426                         return null;
 427                 }
 428
 429                 protected override string GetMemberAttributes (MemberReference member)
 430                 {
 431                         if (member != type)
 432                                 throw new InvalidOperationException ("odd");
 433
 434                         return ((int) type.Attributes).ToString (CultureInfo.InvariantCulture);
 435                 }
 436
 437                 public static bool MustDocumentMethod (MethodDefinition method) {
 438                         // All other methods
 439                         MethodAttributes maskedAccess = method.Attributes & MethodAttributes.MemberAccessMask;
 440                         return maskedAccess == MethodAttributes.Public
 441                                 || maskedAccess == MethodAttributes.Family
 442                                 || maskedAccess == MethodAttributes.FamORAssem;
 443                 }
 444
 445                 static string GetClassType (TypeDefinition t)
 446                 {
 447                         if (t.IsEnum)
 448                                 return "enum";
 449
 450                         if (t.IsValueType)
 451                                 return "struct";
 452
 453                         if (t.IsInterface)
 454                                 return "interface";
 455
 456                         if (TypeHelper.IsDelegate(t))
 457                                 return "delegate";
 458
 459                         return "class";
 460                 }
 461
 462                 static string GetCharSet (TypeDefinition type)
 463                 {
 464                         TypeAttributes maskedStringFormat = type.Attributes & TypeAttributes.StringFormatMask;
 465                         if (maskedStringFormat == TypeAttributes.AnsiClass)
 466                                 return CharSet.Ansi.ToString ();
 467
 468                         if (maskedStringFormat == TypeAttributes.AutoClass)
 469                                 return CharSet.Auto.ToString ();
 470
 471                         if (maskedStringFormat == TypeAttributes.UnicodeClass)
 472                                 return CharSet.Unicode.ToString ();
 473
 474                         return CharSet.None.ToString ();
 475                 }
 476
 477                 static string GetLayout (TypeDefinition type)
 478                 {
 479                         TypeAttributes maskedLayout = type.Attributes & TypeAttributes.LayoutMask;
 480                         if (maskedLayout == TypeAttributes.AutoLayout)
 481                                 return LayoutKind.Auto.ToString ();
 482
 483                         if (maskedLayout == TypeAttributes.ExplicitLayout)
 484                                 return LayoutKind.Explicit.ToString ();
 485
 486                         if (maskedLayout == TypeAttributes.SequentialLayout)
 487                                 return LayoutKind.Sequential.ToString ();
 488
 489                         return null;
 490                 }
 491
 492                 FieldDefinition [] GetFields (TypeDefinition type) {
 493                         ArrayList list = new ArrayList ();
 494
 495                         FieldDefinitionCollection fields = type.Fields;
 496                         foreach (FieldDefinition field in fields) {
 497                                 if (field.IsSpecialName)
 498                                         continue;
 499
 500                                 // we're only interested in public or protected members
 501                                 FieldAttributes maskedVisibility = (field.Attributes & FieldAttributes.FieldAccessMask);
 502                                 if (maskedVisibility == FieldAttributes.Public
 503                                         || maskedVisibility == FieldAttributes.Family
 504                                         || maskedVisibility == FieldAttributes.FamORAssem) {
 505                                         list.Add (field);
 506                                 }
 507                         }
 508
 509                         return (FieldDefinition []) list.ToArray (typeof (FieldDefinition));
 510                 }
 511
 512
 513                 internal static PropertyDefinition [] GetProperties (TypeDefinition type) {
 514                         ArrayList list = new ArrayList ();
 515
 516                         PropertyDefinitionCollection properties = type.Properties;//type.GetProperties (flags);
 517                         foreach (PropertyDefinition property in properties) {
 518                                 MethodDefinition getMethod = property.GetMethod;
 519                                 MethodDefinition setMethod = property.SetMethod;
 520
 521                                 bool hasGetter = (getMethod != null) && MustDocumentMethod (getMethod);
 522                                 bool hasSetter = (setMethod != null) && MustDocumentMethod (setMethod);
 523
 524                                 // if neither the getter or setter should be documented, then
 525                                 // skip the property
 526                                 if (hasGetter || hasSetter) {
 527                                         list.Add (property);
 528                                 }
 529                         }
 530
 531                         return (PropertyDefinition []) list.ToArray (typeof (PropertyDefinition));
 532                 }
 533
 534                 private MethodDefinition[] GetMethods (TypeDefinition type)
 535                 {
 536                         ArrayList list = new ArrayList ();
 537
 538                         MethodDefinitionCollection methods = type.Methods;//type.GetMethods (flags);
 539                         foreach (MethodDefinition method in methods) {
 540                                 if (method.IsSpecialName && !method.Name.StartsWith ("op_"))
 541                                         continue;
 542
 543                                 // we're only interested in public or protected members
 544                                 if (!MustDocumentMethod(method))
 545                                         continue;
 546
 547                                 if (IsFinalizer (method))
 548                                         continue;
 549
 550                                 list.Add (method);
 551                         }
 552
 553                         return (MethodDefinition []) list.ToArray (typeof (MethodDefinition));
 554                 }
 555
 556                 static bool IsFinalizer (MethodDefinition method)
 557                 {
 558                         if (method.Name != "Finalize")
 559                                 return false;
 560
 561                         if (!method.IsVirtual)
 562                                 return false;
 563
 564                         if (method.Parameters.Count != 0)
 565                                 return false;
 566
 567                         return true;
 568                 }
 569
 570                 private MethodDefinition [] GetConstructors (TypeDefinition type)
 571                 {
 572                         ArrayList list = new ArrayList ();
 573
 574                         ConstructorCollection ctors = type.Constructors;//type.GetConstructors (flags);
 575                         foreach (MethodDefinition constructor in ctors) {
 576                                 // we're only interested in public or protected members
 577                                 if (!MustDocumentMethod(constructor))
 578                                         continue;
 579
 580                                 list.Add (constructor);
 581                         }
 582
 583                         return (MethodDefinition []) list.ToArray (typeof (MethodDefinition));
 584                 }
 585
 586                 private EventDefinition[] GetEvents (TypeDefinition type)
 587                 {
 588                         ArrayList list = new ArrayList ();
 589
 590                         EventDefinitionCollection events = type.Events;//type.GetEvents (flags);
 591                         foreach (EventDefinition eventDef in events) {
 592                                 MethodDefinition addMethod = eventDef.AddMethod;//eventInfo.GetAddMethod (true);
 593
 594                                 if (addMethod == null || !MustDocumentMethod (addMethod))
 595                                         continue;
 596
 597                                 list.Add (eventDef);
 598                         }
 599
 600                         return (EventDefinition []) list.ToArray (typeof (EventDefinition));
 601                 }
 602         }
 603
 604         class FieldData : MemberData
 605         {
 606                 public FieldData (XmlDocument document, XmlNode parent, FieldDefinition [] members)
 607                         : base (document, parent, members)
 608                 {
 609                 }
 610
 611                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 612                         return ((FieldDefinition) member).CustomAttributes;
 613                 }
 614
 615                 protected override string GetName (MemberReference memberDefenition)
 616                 {
 617                         FieldDefinition field = (FieldDefinition) memberDefenition;
 618                         return field.Name;
 619                 }
 620
 621                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 622                 {
 623                         FieldDefinition field = (FieldDefinition) memberDefenition;
 624                         return ((int) field.Attributes).ToString (CultureInfo.InvariantCulture);
 625                 }
 626
 627                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 628                 {
 629                         base.AddExtraData (p, memberDefenition);
 630                         FieldDefinition field = (FieldDefinition) memberDefenition;
 631                         AddAttribute (p, "fieldtype", Utils.CleanupTypeName (field.FieldType));
 632
 633                         if (field.IsLiteral) {
 634                                 object value = field.Constant;//object value = field.GetValue (null);
 635                                 string stringValue = null;
 636                                 //if (value is Enum) {
 637                                 //    // FIXME: when Mono bug #60090 has been
 638                                 //    // fixed, we should just be able to use
 639                                 //    // Convert.ToString
 640                                 //    stringValue = ((Enum) value).ToString ("D", CultureInfo.InvariantCulture);
 641                                 //}
 642                                 //else {
 643                                         stringValue = Convert.ToString (value, CultureInfo.InvariantCulture);
 644                                 //}
 645
 646                                 if (stringValue != null)
 647                                         AddAttribute (p, "value", stringValue);
 648                         }
 649                 }
 650
 651                 public override string ParentTag {
 652                         get { return "fields"; }
 653                 }
 654
 655                 public override string Tag {
 656                         get { return "field"; }
 657                 }
 658         }
 659
 660         class PropertyData : MemberData
 661         {
 662                 public PropertyData (XmlDocument document, XmlNode parent, PropertyDefinition [] members)
 663                         : base (document, parent, members)
 664                 {
 665                 }
 666
 667                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 668                         return ((PropertyDefinition) member).CustomAttributes;
 669                 }
 670
 671                 protected override string GetName (MemberReference memberDefenition)
 672                 {
 673                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 674                         return prop.Name;
 675                 }
 676
 677                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 678                 {
 679                         base.AddExtraData (p, memberDefenition);
 680                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 681                         AddAttribute (p, "ptype", Utils.CleanupTypeName (prop.PropertyType));
 682                         MethodDefinition _get = prop.GetMethod;
 683                         MethodDefinition _set = prop.SetMethod;
 684                         bool haveGet = (_get != null && TypeData.MustDocumentMethod(_get));
 685                         bool haveSet = (_set != null && TypeData.MustDocumentMethod(_set));
 686                         MethodDefinition [] methods;
 687
 688                         if (haveGet && haveSet) {
 689                                 methods = new MethodDefinition [] { _get, _set };
 690                         } else if (haveGet) {
 691                                 methods = new MethodDefinition [] { _get };
 692                         } else if (haveSet) {
 693                                 methods = new MethodDefinition [] { _set };
 694                         } else {
 695                                 //odd
 696                                 return;
 697                         }
 698
 699                         string parms = Parameters.GetSignature (methods [0].Parameters);
 700                         if (!string.IsNullOrEmpty (parms))
 701                                 AddAttribute (p, "params", parms);
 702
 703                         MethodData data = new MethodData (document, p, methods);
 704                         //data.NoMemberAttributes = true;
 705                         data.DoOutput ();
 706                 }
 707
 708                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 709                 {
 710                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 711                         return ((int) prop.Attributes).ToString (CultureInfo.InvariantCulture);
 712                 }
 713
 714                 public override string ParentTag {
 715                         get { return "properties"; }
 716                 }
 717
 718                 public override string Tag {
 719                         get { return "property"; }
 720                 }
 721         }
 722
 723         class EventData : MemberData
 724         {
 725                 public EventData (XmlDocument document, XmlNode parent, EventDefinition [] members)
 726                         : base (document, parent, members)
 727                 {
 728                 }
 729
 730                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 731                         return ((EventDefinition) member).CustomAttributes;
 732                 }
 733
 734                 protected override string GetName (MemberReference memberDefenition)
 735                 {
 736                         EventDefinition evt = (EventDefinition) memberDefenition;
 737                         return evt.Name;
 738                 }
 739
 740                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 741                 {
 742                         EventDefinition evt = (EventDefinition) memberDefenition;
 743                         return ((int) evt.Attributes).ToString (CultureInfo.InvariantCulture);
 744                 }
 745
 746                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 747                 {
 748                         base.AddExtraData (p, memberDefenition);
 749                         EventDefinition evt = (EventDefinition) memberDefenition;
 750                         AddAttribute (p, "eventtype", Utils.CleanupTypeName (evt.EventType));
 751                 }
 752
 753                 public override string ParentTag {
 754                         get { return "events"; }
 755                 }
 756
 757                 public override string Tag {
 758                         get { return "event"; }
 759                 }
 760         }
 761
 762         class MethodData : MemberData
 763         {
 764                 bool noAtts;
 765
 766                 public MethodData (XmlDocument document, XmlNode parent, MethodDefinition [] members)
 767                         : base (document, parent, members)
 768                 {
 769                 }
 770
 771                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 772                         return ((MethodDefinition) member).CustomAttributes;
 773                 }
 774
 775                 protected override string GetName (MemberReference memberDefenition)
 776                 {
 777                         MethodDefinition method = (MethodDefinition) memberDefenition;
 778                         string name = method.Name;
 779                         string parms = Parameters.GetSignature (method.Parameters);
 780
 781                         return string.Format ("{0}({1})", name, parms);
 782                 }
 783
 784                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 785                 {
 786                         MethodDefinition method = (MethodDefinition) memberDefenition;
 787                         return ((int)( method.Attributes)).ToString (CultureInfo.InvariantCulture);
 788                 }
 789
 790                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 791                 {
 792                         base.AddExtraData (p, memberDefenition);
 793
 794                         if (!(memberDefenition is MethodDefinition))
 795                                 return;
 796
 797                         MethodDefinition mbase = (MethodDefinition) memberDefenition;
 798
 799                         ParameterData parms = new ParameterData (document, p, mbase.Parameters);
 800                         parms.DoOutput ();
 801
 802                         if (mbase.IsAbstract)
 803                                 AddAttribute (p, "abstract", "true");
 804                         if (mbase.IsVirtual)
 805                                 AddAttribute (p, "virtual", "true");
 806                         if (mbase.IsStatic)
 807                                 AddAttribute (p, "static", "true");
 808
 809                         string rettype = Utils.CleanupTypeName (mbase.ReturnType.ReturnType);
 810                         if (rettype != "System.Void" || !mbase.IsConstructor)
 811                                 AddAttribute (p, "returntype", (rettype));
 812
 813                         AttributeData.OutputAttributes (document, p, mbase.ReturnType.CustomAttributes);
 814
 815                         MemberData.OutputGenericParameters (document, p, mbase);
 816                 }
 817
 818                 public override bool NoMemberAttributes {
 819                         get { return noAtts; }
 820                         set { noAtts = value; }
 821                 }
 822
 823                 public override string ParentTag {
 824                         get { return "methods"; }
 825                 }
 826
 827                 public override string Tag {
 828                         get { return "method"; }
 829                 }
 830         }
 831
 832         class ConstructorData : MethodData
 833         {
 834                 public ConstructorData (XmlDocument document, XmlNode parent, MethodDefinition [] members)
 835                         : base (document, parent, members)
 836                 {
 837                 }
 838
 839                 public override string ParentTag {
 840                         get { return "constructors"; }
 841                 }
 842
 843                 public override string Tag {
 844                         get { return "constructor"; }
 845                 }
 846         }
 847
 848         class ParameterData : BaseData
 849         {
 850                 private ParameterDefinitionCollection parameters;
 851
 852                 public ParameterData (XmlDocument document, XmlNode parent, ParameterDefinitionCollection parameters)
 853                         : base (document, parent)
 854                 {
 855                         this.parameters = parameters;
 856                 }
 857
 858                 public override void DoOutput ()
 859                 {
 860                         XmlNode parametersNode = document.CreateElement ("parameters");
 861                         parent.AppendChild (parametersNode);
 862
 863                         foreach (ParameterDefinition parameter in parameters) {
 864                                 XmlNode paramNode = document.CreateElement ("parameter");
 865                                 parametersNode.AppendChild (paramNode);
 866                                 AddAttribute (paramNode, "name", parameter.Name);
 867                                 AddAttribute (paramNode, "position", parameter.Method.Parameters.IndexOf(parameter).ToString(CultureInfo.InvariantCulture));
 868                                 AddAttribute (paramNode, "attrib", ((int) parameter.Attributes).ToString());
 869
 870                                 string direction = "in";
 871
 872                                 if (parameter.ParameterType is ReferenceType)
 873                                         direction = parameter.IsOut ? "out" : "ref";
 874
 875                                 TypeReference t = parameter.ParameterType;
 876                                 AddAttribute (paramNode, "type", Utils.CleanupTypeName (t));
 877
 878                                 if (parameter.IsOptional) {
 879                                         AddAttribute (paramNode, "optional", "true");
 880                                         if (parameter.HasConstant)
 881                                                 AddAttribute (paramNode, "defaultValue", parameter.Constant == null ? "NULL" : parameter.Constant.ToString ());
 882                                 }
 883
 884                                 if (direction != "in")
 885                                         AddAttribute (paramNode, "direction", direction);
 886
 887                                 AttributeData.OutputAttributes (document, paramNode, parameter.CustomAttributes);
 888                         }
 889                 }
 890         }
 891
 892         class AttributeData : BaseData
 893         {
 894                 CustomAttributeCollection atts;
 895
 896                 AttributeData (XmlDocument doc, XmlNode parent, CustomAttributeCollection attributes)
 897                         : base (doc, parent)
 898                 {
 899                         atts = attributes;
 900                 }
 901
 902                 public override void DoOutput ()
 903                 {
 904                         if (document == null)
 905                                 throw new InvalidOperationException ("Document not set");
 906
 907                         if (atts == null || atts.Count == 0)
 908                                 return;
 909
 910                         XmlNode natts = parent.SelectSingleNode("attributes");
 911                         if (natts == null) {
 912                                 natts = document.CreateElement ("attributes", null);
 913                                 parent.AppendChild (natts);
 914                         }
 915
 916                         for (int i = 0; i < atts.Count; ++i) {
 917                                 CustomAttribute att = atts [i];
 918                                 try {
 919                                         att.Resolve ();
 920                                 } catch {}
 921
 922                                 if (!att.Resolved)
 923                                         continue;
 924
 925                                 string attName = Utils.CleanupTypeName (att.Constructor.DeclaringType);
 926                                 if (SkipAttribute (att))
 927                                         continue;
 928
 929                                 XmlNode node = document.CreateElement ("attribute");
 930                                 AddAttribute (node, "name", attName);
 931
 932                                 XmlNode properties = null;
 933
 934                                 Dictionary<string, object> attribute_mapping = CreateAttributeMapping (att);
 935
 936                                 foreach (string name in attribute_mapping.Keys) {
 937                                         if (name == "TypeId")
 938                                                 continue;
 939
 940                                         if (properties == null) {
 941                                                 properties = node.AppendChild (document.CreateElement ("properties"));
 942                                         }
 943
 944                                         object o = attribute_mapping [name];
 945
 946                                         XmlNode n = properties.AppendChild (document.CreateElement ("property"));
 947                                         AddAttribute (n, "name", name);
 948
 949                                         if (o == null) {
 950                                                 AddAttribute (n, "value", "null");
 951                                                 continue;
 952                                         }
 953                                         string value = o.ToString ();
 954                                         if (attName.EndsWith ("GuidAttribute"))
 955                                                 value = value.ToUpper ();
 956                                         AddAttribute (n, "value", value);
 957                                 }
 958
 959                                 natts.AppendChild (node);
 960                         }
 961                 }
 962
 963                 static Dictionary<string, object> CreateAttributeMapping (CustomAttribute attribute)
 964                 {
 965                         var mapping = new Dictionary<string, object> ();
 966
 967                         PopulateMapping (mapping, attribute);
 968
 969                         var constructor = attribute.Constructor.Resolve ();
 970                         if (constructor == null || constructor.Parameters.Count == 0)
 971                                 return mapping;
 972
 973                         PopulateMapping (mapping, constructor, attribute);
 974
 975                         return mapping;
 976                 }
 977
 978                 static void PopulateMapping (Dictionary<string, object> mapping, CustomAttribute attribute)
 979                 {
 980                         foreach (DictionaryEntry entry in attribute.Properties) {
 981                                 var name = (string) entry.Key;
 982
 983                                 mapping.Add (name, GetArgumentValue (attribute.GetPropertyType (name), entry.Value));
 984                         }
 985                 }
 986
 987                 static Dictionary<FieldReference, int> CreateArgumentFieldMapping (MethodDefinition constructor)
 988                 {
 989                         Dictionary<FieldReference, int> field_mapping = new Dictionary<FieldReference, int> ();
 990
 991                         int? argument = null;
 992
 993                         foreach (Instruction instruction in constructor.Body.Instructions) {
 994                                 switch (instruction.OpCode.Code) {
 995                                 case Code.Ldarg_1:
 996                                         argument = 1;
 997                                         break;
 998                                 case Code.Ldarg_2:
 999                                         argument = 2;
1000                                         break;
1001                                 case Code.Ldarg_3:
1002                                         argument = 3;
1003                                         break;
1004                                 case Code.Ldarg:
1005                                 case Code.Ldarg_S:
1006                                         argument = ((ParameterDefinition) instruction.Operand).Sequence;
1007                                         break;
1008
1009                                 case Code.Stfld:
1010                                         FieldReference field = (FieldReference) instruction.Operand;
1011                                         if (field.DeclaringType.FullName != constructor.DeclaringType.FullName)
1012                                                 continue;
1013
1014                                         if (!argument.HasValue)
1015                                                 break;
1016
1017                                         if (!field_mapping.ContainsKey (field))
1018                                                 field_mapping.Add (field, (int) argument - 1);
1019
1020                                         argument = null;
1021                                         break;
1022                                 }
1023                         }
1024
1025                         return field_mapping;
1026                 }
1027
1028                 static Dictionary<PropertyDefinition, FieldReference> CreatePropertyFieldMapping (TypeDefinition type)
1029                 {
1030                         Dictionary<PropertyDefinition, FieldReference> property_mapping = new Dictionary<PropertyDefinition, FieldReference> ();
1031
1032                         foreach (PropertyDefinition property in type.Properties) {
1033                                 if (property.GetMethod == null)
1034                                         continue;
1035                                 if (!property.GetMethod.HasBody)
1036                                         continue;
1037
1038                                 foreach (Instruction instruction in property.GetMethod.Body.Instructions) {
1039                                         if (instruction.OpCode.Code != Code.Ldfld)
1040                                                 continue;
1041
1042                                         FieldReference field = (FieldReference) instruction.Operand;
1043                                         if (field.DeclaringType.FullName != type.FullName)
1044                                                 continue;
1045
1046                                         property_mapping.Add (property, field);
1047                                         break;
1048                                 }
1049                         }
1050
1051                         return property_mapping;
1052                 }
1053
1054                 static void PopulateMapping (Dictionary<string, object> mapping, MethodDefinition constructor, CustomAttribute attribute)
1055                 {
1056                         if (!constructor.HasBody)
1057                                 return;
1058
1059                         var field_mapping = CreateArgumentFieldMapping (constructor);
1060                         var property_mapping = CreatePropertyFieldMapping ((TypeDefinition) constructor.DeclaringType);
1061
1062                         foreach (var pair in property_mapping) {
1063                                 int argument;
1064                                 if (!field_mapping.TryGetValue (pair.Value, out argument))
1065                                         continue;
1066
1067                                 mapping.Add (pair.Key.Name, GetArgumentValue (constructor.Parameters [argument].ParameterType, attribute.ConstructorParameters [argument]));
1068                         }
1069                 }
1070
1071                 static object GetArgumentValue (TypeReference reference, object value)
1072                 {
1073                         var type = reference.Resolve ();
1074                         if (type == null)
1075                                 return value;
1076
1077                         if (type.IsEnum) {
1078                                 if (IsFlaggedEnum (type))
1079                                         return GetFlaggedEnumValue (type, value);
1080
1081                                 return GetEnumValue (type, value);
1082                         }
1083
1084                         return value;
1085                 }
1086
1087                 static bool IsFlaggedEnum (TypeDefinition type)
1088                 {
1089                         if (!type.IsEnum)
1090                                 return false;
1091
1092                         if (type.CustomAttributes.Count == 0)
1093                                 return false;
1094
1095                         foreach (CustomAttribute attribute in type.CustomAttributes)
1096                                 if (attribute.Constructor.DeclaringType.FullName == "System.FlagsAttribute")
1097                                         return true;
1098
1099                         return false;
1100                 }
1101
1102                 static object GetFlaggedEnumValue (TypeDefinition type, object value)
1103                 {
1104                         long flags = Convert.ToInt64 (value);
1105                         var signature = new StringBuilder ();
1106
1107                         for (int i = type.Fields.Count - 1; i >= 0; i--) {
1108                                 FieldDefinition field = type.Fields [i];
1109
1110                                 if (!field.HasConstant)
1111                                         continue;
1112
1113                                 long flag = Convert.ToInt64 (field.Constant);
1114
1115                                 if (flag == 0)
1116                                         continue;
1117
1118                                 if ((flags & flag) == flag) {
1119                                         if (signature.Length != 0)
1120                                                 signature.Append (", ");
1121
1122                                         signature.Append (field.Name);
1123                                         flags -= flag;
1124                                 }
1125                         }
1126
1127                         return signature.ToString ();
1128                 }
1129
1130                 static object GetEnumValue (TypeDefinition type, object value)
1131                 {
1132                         foreach (FieldDefinition field in type.Fields) {
1133                                 if (!field.HasConstant)
1134                                         continue;
1135
1136                                 if (Comparer.Default.Compare (field.Constant, value) == 0)
1137                                         return field.Name;
1138                         }
1139
1140                         return value;
1141                 }
1142
1143                 static bool SkipAttribute (CustomAttribute attribute)
1144                 {
1145                         var type_name = Utils.CleanupTypeName (attribute.Constructor.DeclaringType);
1146
1147                         return !TypeHelper.IsPublic (attribute)
1148                                 || type_name.EndsWith ("TODOAttribute");
1149                 }
1150
1151                 public static void OutputAttributes (XmlDocument doc, XmlNode parent, CustomAttributeCollection attributes)
1152                 {
1153                         AttributeData ad = new AttributeData (doc, parent, attributes);
1154                         ad.DoOutput ();
1155                 }
1156         }
1157
1158         static class Parameters {
1159
1160                 public static string GetSignature (ParameterDefinitionCollection infos)
1161                 {
1162                         if (infos == null || infos.Count == 0)
1163                                 return "";
1164
1165                         var signature = new StringBuilder ();
1166                         for (int i = 0; i < infos.Count; i++) {
1167
1168                                 if (i > 0)
1169                                         signature.Append (", ");
1170
1171                                 ParameterDefinition info = infos [i];
1172
1173                                 string modifier;
1174                                 if ((info.Attributes & ParameterAttributes.In) != 0)
1175                                         modifier = "in";
1176                                 else if ((info.Attributes & ParameterAttributes.Retval) != 0)
1177                                         modifier = "ref";
1178                                 else if ((info.Attributes & ParameterAttributes.Out) != 0)
1179                                         modifier = "out";
1180                                 else
1181                                         modifier = string.Empty;
1182
1183                                 if (modifier.Length > 0)
1184                                         signature.AppendFormat ("{0} ", modifier);
1185
1186                                 signature.Append (Utils.CleanupTypeName (info.ParameterType));
1187                         }
1188
1189                         return signature.ToString ();
1190                 }
1191
1192         }
1193
1194         class TypeReferenceComparer : IComparer
1195         {
1196                 public static TypeReferenceComparer Default = new TypeReferenceComparer ();
1197
1198                 public int Compare (object a, object b)
1199                 {
1200                         TypeReference ta = (TypeReference) a;
1201                         TypeReference tb = (TypeReference) b;
1202                         int result = String.Compare (ta.Namespace, tb.Namespace);
1203                         if (result != 0)
1204                                 return result;
1205
1206                         return String.Compare (ta.Name, tb.Name);
1207                 }
1208         }
1209
1210         class MemberReferenceComparer : IComparer
1211         {
1212                 public static MemberReferenceComparer Default = new MemberReferenceComparer ();
1213
1214                 public int Compare (object a, object b)
1215                 {
1216                         MemberReference ma = (MemberReference) a;
1217                         MemberReference mb = (MemberReference) b;
1218                         return String.Compare (ma.Name, mb.Name);
1219                 }
1220         }
1221
1222         class MethodDefinitionComparer : IComparer
1223         {
1224                 public static MethodDefinitionComparer Default = new MethodDefinitionComparer ();
1225
1226                 public int Compare (object a, object b)
1227                 {
1228                         MethodDefinition ma = (MethodDefinition) a;
1229                         MethodDefinition mb = (MethodDefinition) b;
1230                         int res = String.Compare (ma.Name, mb.Name);
1231                         if (res != 0)
1232                                 return res;
1233
1234                         ParameterDefinitionCollection pia = ma.Parameters ;
1235                         ParameterDefinitionCollection pib = mb.Parameters;
1236                         res = pia.Count - pib.Count;
1237                         if (res != 0)
1238                                 return res;
1239
1240                         string siga = Parameters.GetSignature (pia);
1241                         string sigb = Parameters.GetSignature (pib);
1242                         return String.Compare (siga, sigb);
1243                 }
1244         }
1245 }
1246