mcs/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                                 ngeneric.AppendChild (nparam);
 264
 265                                 var constraints = gp.Constraints;
 266                                 if (constraints.Count == 0)
 267                                         continue;
 268
 269                                 XmlElement nconstraint = document.CreateElement ("generic-parameter-constraints");
 270
 271                                 foreach (TypeReference constraint in constraints) {
 272                                         XmlElement ncons = document.CreateElement ("generic-parameter-constraint");
 273                                         ncons.SetAttribute ("name", Utils.CleanupTypeName (constraint));
 274                                         nconstraint.AppendChild (ncons);
 275                                 }
 276
 277                                 nparam.AppendChild (nconstraint);
 278                         }
 279                 }
 280         }
 281
 282         class TypeData : MemberData
 283         {
 284                 TypeDefinition type;
 285
 286                 public TypeData (XmlDocument document, XmlNode parent, TypeDefinition type)
 287                         : base (document, parent, null)
 288                 {
 289                         this.type = type;
 290                 }
 291
 292                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 293                         return ((TypeDefinition) member).CustomAttributes;
 294                 }
 295
 296                 public override void DoOutput ()
 297                 {
 298                         if (document == null)
 299                                 throw new InvalidOperationException ("Document not set");
 300
 301                         XmlNode nclass = document.CreateElement ("class", null);
 302                         AddAttribute (nclass, "name", type.Name);
 303                         string classType = GetClassType (type);
 304                         AddAttribute (nclass, "type", classType);
 305
 306                         if (type.BaseType != null)
 307                                 AddAttribute (nclass, "base", Utils.CleanupTypeName (type.BaseType));
 308
 309                         if (type.IsSealed)
 310                                 AddAttribute (nclass, "sealed", "true");
 311
 312                         if (type.IsAbstract)
 313                                 AddAttribute (nclass, "abstract", "true");
 314
 315                         if ( (type.Attributes & TypeAttributes.Serializable) != 0 || type.IsEnum)
 316                                 AddAttribute (nclass, "serializable", "true");
 317
 318                         string charSet = GetCharSet (type);
 319                         AddAttribute (nclass, "charset", charSet);
 320
 321                         string layout = GetLayout (type);
 322                         if (layout != null)
 323                                 AddAttribute (nclass, "layout", layout);
 324
 325                         parent.AppendChild (nclass);
 326
 327                         AttributeData.OutputAttributes (document, nclass, GetCustomAttributes(type));
 328
 329                         var interfaces = TypeHelper.GetInterfaces (type);
 330                         XmlNode ifaces = null;
 331
 332                         foreach (TypeReference iface in interfaces) {
 333                                 if (!TypeHelper.IsPublic (iface))
 334                                         // we're only interested in public interfaces
 335                                         continue;
 336
 337                                 if (ifaces == null) {
 338                                         ifaces = document.CreateElement ("interfaces", null);
 339                                         nclass.AppendChild (ifaces);
 340                                 }
 341
 342                                 XmlNode iface_node = document.CreateElement ("interface", null);
 343                                 AddAttribute (iface_node, "name", Utils.CleanupTypeName (iface));
 344                                 ifaces.AppendChild (iface_node);
 345                         }
 346
 347                         MemberData.OutputGenericParameters (document, nclass, type);
 348
 349                         ArrayList members = new ArrayList ();
 350
 351                         FieldDefinition [] fields = GetFields (type);
 352                         if (fields.Length > 0) {
 353                                 Array.Sort (fields, MemberReferenceComparer.Default);
 354                                 FieldData fd = new FieldData (document, nclass, fields);
 355                                 // Special case for enum fields
 356                                 // TODO:Special case for enum fields
 357                                 //if (classType == "enum") {
 358                                 //    string etype = fields [0].GetType ().ToString ();
 359                                 //    AddAttribute (nclass, "enumtype", etype);
 360                                 //}
 361                                 members.Add (fd);
 362                         }
 363
 364                         MethodDefinition [] ctors = GetConstructors (type);
 365                         if (ctors.Length > 0) {
 366                                 Array.Sort (ctors, MemberReferenceComparer.Default);
 367                                 members.Add (new ConstructorData (document, nclass, ctors));
 368                         }
 369
 370                         PropertyDefinition[] properties = GetProperties (type);
 371                         if (properties.Length > 0) {
 372                                 Array.Sort (properties, MemberReferenceComparer.Default);
 373                                 members.Add (new PropertyData (document, nclass, properties));
 374                         }
 375
 376                         EventDefinition [] events = GetEvents (type);
 377                         if (events.Length > 0) {
 378                                 Array.Sort (events, MemberReferenceComparer.Default);
 379                                 members.Add (new EventData (document, nclass, events));
 380                         }
 381
 382                         MethodDefinition [] methods = GetMethods (type);
 383                         if (methods.Length > 0) {
 384                                 Array.Sort (methods, MemberReferenceComparer.Default);
 385                                 members.Add (new MethodData (document, nclass, methods));
 386                         }
 387
 388                         foreach (MemberData md in members)
 389                                 md.DoOutput ();
 390
 391                         NestedTypeCollection nested = type.NestedTypes;
 392                         //remove non public(familiy) and nested in second degree
 393                         for (int i = nested.Count - 1; i >= 0; i--) {
 394                                 TypeDefinition t = nested [i];
 395                                 if ((t.Attributes & TypeAttributes.VisibilityMask) == TypeAttributes.NestedPublic ||
 396                                         (t.Attributes & TypeAttributes.VisibilityMask) == TypeAttributes.NestedFamily ||
 397                                         (t.Attributes & TypeAttributes.VisibilityMask) == TypeAttributes.NestedFamORAssem) {
 398                                         // public
 399                                         if (t.DeclaringType == type)
 400                                                 continue; // not nested of nested
 401                                 }
 402
 403                                 nested.RemoveAt (i);
 404                         }
 405
 406
 407                         if (nested.Count > 0) {
 408                                 XmlNode classes = document.CreateElement ("classes", null);
 409                                 nclass.AppendChild (classes);
 410                                 foreach (TypeDefinition t in nested) {
 411                                         TypeData td = new TypeData (document, classes, t);
 412                                         td.DoOutput ();
 413                                 }
 414                         }
 415                 }
 416
 417                 protected override string GetMemberAttributes (MemberReference member)
 418                 {
 419                         if (member != type)
 420                                 throw new InvalidOperationException ("odd");
 421
 422                         return ((int) type.Attributes).ToString (CultureInfo.InvariantCulture);
 423                 }
 424
 425                 public static bool MustDocumentMethod (MethodDefinition method) {
 426                         // All other methods
 427                         MethodAttributes maskedAccess = method.Attributes & MethodAttributes.MemberAccessMask;
 428                         return maskedAccess == MethodAttributes.Public
 429                                 || maskedAccess == MethodAttributes.Family
 430                                 || maskedAccess == MethodAttributes.FamORAssem;
 431                 }
 432
 433                 static string GetClassType (TypeDefinition t)
 434                 {
 435                         if (t.IsEnum)
 436                                 return "enum";
 437
 438                         if (t.IsValueType)
 439                                 return "struct";
 440
 441                         if (t.IsInterface)
 442                                 return "interface";
 443
 444                         if (TypeHelper.IsDelegate(t))
 445                                 return "delegate";
 446
 447                         return "class";
 448                 }
 449
 450                 static string GetCharSet (TypeDefinition type)
 451                 {
 452                         TypeAttributes maskedStringFormat = type.Attributes & TypeAttributes.StringFormatMask;
 453                         if (maskedStringFormat == TypeAttributes.AnsiClass)
 454                                 return CharSet.Ansi.ToString ();
 455
 456                         if (maskedStringFormat == TypeAttributes.AutoClass)
 457                                 return CharSet.Auto.ToString ();
 458
 459                         if (maskedStringFormat == TypeAttributes.UnicodeClass)
 460                                 return CharSet.Unicode.ToString ();
 461
 462                         return CharSet.None.ToString ();
 463                 }
 464
 465                 static string GetLayout (TypeDefinition type)
 466                 {
 467                         TypeAttributes maskedLayout = type.Attributes & TypeAttributes.LayoutMask;
 468                         if (maskedLayout == TypeAttributes.AutoLayout)
 469                                 return LayoutKind.Auto.ToString ();
 470
 471                         if (maskedLayout == TypeAttributes.ExplicitLayout)
 472                                 return LayoutKind.Explicit.ToString ();
 473
 474                         if (maskedLayout == TypeAttributes.SequentialLayout)
 475                                 return LayoutKind.Sequential.ToString ();
 476
 477                         return null;
 478                 }
 479
 480                 FieldDefinition [] GetFields (TypeDefinition type) {
 481                         ArrayList list = new ArrayList ();
 482
 483                         FieldDefinitionCollection fields = type.Fields;
 484                         foreach (FieldDefinition field in fields) {
 485                                 if (field.IsSpecialName)
 486                                         continue;
 487
 488                                 // we're only interested in public or protected members
 489                                 FieldAttributes maskedVisibility = (field.Attributes & FieldAttributes.FieldAccessMask);
 490                                 if (maskedVisibility == FieldAttributes.Public
 491                                         || maskedVisibility == FieldAttributes.Family
 492                                         || maskedVisibility == FieldAttributes.FamORAssem) {
 493                                         list.Add (field);
 494                                 }
 495                         }
 496
 497                         return (FieldDefinition []) list.ToArray (typeof (FieldDefinition));
 498                 }
 499
 500
 501                 internal static PropertyDefinition [] GetProperties (TypeDefinition type) {
 502                         ArrayList list = new ArrayList ();
 503
 504                         PropertyDefinitionCollection properties = type.Properties;//type.GetProperties (flags);
 505                         foreach (PropertyDefinition property in properties) {
 506                                 MethodDefinition getMethod = property.GetMethod;
 507                                 MethodDefinition setMethod = property.SetMethod;
 508
 509                                 bool hasGetter = (getMethod != null) && MustDocumentMethod (getMethod);
 510                                 bool hasSetter = (setMethod != null) && MustDocumentMethod (setMethod);
 511
 512                                 // if neither the getter or setter should be documented, then
 513                                 // skip the property
 514                                 if (hasGetter || hasSetter) {
 515                                         list.Add (property);
 516                                 }
 517                         }
 518
 519                         return (PropertyDefinition []) list.ToArray (typeof (PropertyDefinition));
 520                 }
 521
 522                 private MethodDefinition[] GetMethods (TypeDefinition type)
 523                 {
 524                         ArrayList list = new ArrayList ();
 525
 526                         MethodDefinitionCollection methods = type.Methods;//type.GetMethods (flags);
 527                         foreach (MethodDefinition method in methods) {
 528                                 if (method.IsSpecialName && !method.Name.StartsWith ("op_"))
 529                                         continue;
 530
 531                                 // we're only interested in public or protected members
 532                                 if (!MustDocumentMethod(method))
 533                                         continue;
 534
 535                                 if (IsFinalizer (method))
 536                                         continue;
 537
 538                                 list.Add (method);
 539                         }
 540
 541                         return (MethodDefinition []) list.ToArray (typeof (MethodDefinition));
 542                 }
 543
 544                 static bool IsFinalizer (MethodDefinition method)
 545                 {
 546                         if (method.Name != "Finalize")
 547                                 return false;
 548
 549                         if (!method.IsVirtual)
 550                                 return false;
 551
 552                         if (method.Parameters.Count != 0)
 553                                 return false;
 554
 555                         return true;
 556                 }
 557
 558                 private MethodDefinition [] GetConstructors (TypeDefinition type)
 559                 {
 560                         ArrayList list = new ArrayList ();
 561
 562                         ConstructorCollection ctors = type.Constructors;//type.GetConstructors (flags);
 563                         foreach (MethodDefinition constructor in ctors) {
 564                                 // we're only interested in public or protected members
 565                                 if (!MustDocumentMethod(constructor))
 566                                         continue;
 567
 568                                 list.Add (constructor);
 569                         }
 570
 571                         return (MethodDefinition []) list.ToArray (typeof (MethodDefinition));
 572                 }
 573
 574                 private EventDefinition[] GetEvents (TypeDefinition type)
 575                 {
 576                         ArrayList list = new ArrayList ();
 577
 578                         EventDefinitionCollection events = type.Events;//type.GetEvents (flags);
 579                         foreach (EventDefinition eventDef in events) {
 580                                 MethodDefinition addMethod = eventDef.AddMethod;//eventInfo.GetAddMethod (true);
 581
 582                                 if (addMethod == null || !MustDocumentMethod (addMethod))
 583                                         continue;
 584
 585                                 list.Add (eventDef);
 586                         }
 587
 588                         return (EventDefinition []) list.ToArray (typeof (EventDefinition));
 589                 }
 590         }
 591
 592         class FieldData : MemberData
 593         {
 594                 public FieldData (XmlDocument document, XmlNode parent, FieldDefinition [] members)
 595                         : base (document, parent, members)
 596                 {
 597                 }
 598
 599                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 600                         return ((FieldDefinition) member).CustomAttributes;
 601                 }
 602
 603                 protected override string GetName (MemberReference memberDefenition)
 604                 {
 605                         FieldDefinition field = (FieldDefinition) memberDefenition;
 606                         return field.Name;
 607                 }
 608
 609                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 610                 {
 611                         FieldDefinition field = (FieldDefinition) memberDefenition;
 612                         return ((int) field.Attributes).ToString (CultureInfo.InvariantCulture);
 613                 }
 614
 615                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 616                 {
 617                         base.AddExtraData (p, memberDefenition);
 618                         FieldDefinition field = (FieldDefinition) memberDefenition;
 619                         AddAttribute (p, "fieldtype", Utils.CleanupTypeName (field.FieldType));
 620
 621                         if (field.IsLiteral) {
 622                                 object value = field.Constant;//object value = field.GetValue (null);
 623                                 string stringValue = null;
 624                                 //if (value is Enum) {
 625                                 //    // FIXME: when Mono bug #60090 has been
 626                                 //    // fixed, we should just be able to use
 627                                 //    // Convert.ToString
 628                                 //    stringValue = ((Enum) value).ToString ("D", CultureInfo.InvariantCulture);
 629                                 //}
 630                                 //else {
 631                                         stringValue = Convert.ToString (value, CultureInfo.InvariantCulture);
 632                                 //}
 633
 634                                 if (stringValue != null)
 635                                         AddAttribute (p, "value", stringValue);
 636                         }
 637                 }
 638
 639                 public override string ParentTag {
 640                         get { return "fields"; }
 641                 }
 642
 643                 public override string Tag {
 644                         get { return "field"; }
 645                 }
 646         }
 647
 648         class PropertyData : MemberData
 649         {
 650                 public PropertyData (XmlDocument document, XmlNode parent, PropertyDefinition [] members)
 651                         : base (document, parent, members)
 652                 {
 653                 }
 654
 655                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 656                         return ((PropertyDefinition) member).CustomAttributes;
 657                 }
 658
 659                 protected override string GetName (MemberReference memberDefenition)
 660                 {
 661                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 662                         return prop.Name;
 663                 }
 664
 665                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 666                 {
 667                         base.AddExtraData (p, memberDefenition);
 668                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 669                         AddAttribute (p, "ptype", Utils.CleanupTypeName (prop.PropertyType));
 670                         MethodDefinition _get = prop.GetMethod;
 671                         MethodDefinition _set = prop.SetMethod;
 672                         bool haveGet = (_get != null && TypeData.MustDocumentMethod(_get));
 673                         bool haveSet = (_set != null && TypeData.MustDocumentMethod(_set));
 674                         MethodDefinition [] methods;
 675
 676                         if (haveGet && haveSet) {
 677                                 methods = new MethodDefinition [] { _get, _set };
 678                         } else if (haveGet) {
 679                                 methods = new MethodDefinition [] { _get };
 680                         } else if (haveSet) {
 681                                 methods = new MethodDefinition [] { _set };
 682                         } else {
 683                                 //odd
 684                                 return;
 685                         }
 686
 687                         string parms = Parameters.GetSignature (methods [0].Parameters);
 688                         AddAttribute (p, "params", parms);
 689
 690                         MethodData data = new MethodData (document, p, methods);
 691                         //data.NoMemberAttributes = true;
 692                         data.DoOutput ();
 693                 }
 694
 695                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 696                 {
 697                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 698                         return ((int) prop.Attributes).ToString (CultureInfo.InvariantCulture);
 699                 }
 700
 701                 public override string ParentTag {
 702                         get { return "properties"; }
 703                 }
 704
 705                 public override string Tag {
 706                         get { return "property"; }
 707                 }
 708         }
 709
 710         class EventData : MemberData
 711         {
 712                 public EventData (XmlDocument document, XmlNode parent, EventDefinition [] members)
 713                         : base (document, parent, members)
 714                 {
 715                 }
 716
 717                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 718                         return ((EventDefinition) member).CustomAttributes;
 719                 }
 720
 721                 protected override string GetName (MemberReference memberDefenition)
 722                 {
 723                         EventDefinition evt = (EventDefinition) memberDefenition;
 724                         return evt.Name;
 725                 }
 726
 727                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 728                 {
 729                         EventDefinition evt = (EventDefinition) memberDefenition;
 730                         return ((int) evt.Attributes).ToString (CultureInfo.InvariantCulture);
 731                 }
 732
 733                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 734                 {
 735                         base.AddExtraData (p, memberDefenition);
 736                         EventDefinition evt = (EventDefinition) memberDefenition;
 737                         AddAttribute (p, "eventtype", Utils.CleanupTypeName (evt.EventType));
 738                 }
 739
 740                 public override string ParentTag {
 741                         get { return "events"; }
 742                 }
 743
 744                 public override string Tag {
 745                         get { return "event"; }
 746                 }
 747         }
 748
 749         class MethodData : MemberData
 750         {
 751                 bool noAtts;
 752
 753                 public MethodData (XmlDocument document, XmlNode parent, MethodDefinition [] members)
 754                         : base (document, parent, members)
 755                 {
 756                 }
 757
 758                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 759                         return ((MethodDefinition) member).CustomAttributes;
 760                 }
 761
 762                 protected override string GetName (MemberReference memberDefenition)
 763                 {
 764                         MethodDefinition method = (MethodDefinition) memberDefenition;
 765                         string name = method.Name;
 766                         string parms = Parameters.GetSignature (method.Parameters);
 767
 768                         return string.Format ("{0}({1})", name, parms);
 769                 }
 770
 771                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 772                 {
 773                         MethodDefinition method = (MethodDefinition) memberDefenition;
 774                         return ((int)( method.Attributes)).ToString (CultureInfo.InvariantCulture);
 775                 }
 776
 777                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 778                 {
 779                         base.AddExtraData (p, memberDefenition);
 780
 781                         if (!(memberDefenition is MethodDefinition))
 782                                 return;
 783
 784                         MethodDefinition mbase = (MethodDefinition) memberDefenition;
 785
 786                         ParameterData parms = new ParameterData (document, p, mbase.Parameters);
 787                         parms.DoOutput ();
 788
 789                         if (mbase.IsAbstract)
 790                                 AddAttribute (p, "abstract", "true");
 791                         if (mbase.IsVirtual)
 792                                 AddAttribute (p, "virtual", "true");
 793                         if (mbase.IsStatic)
 794                                 AddAttribute (p, "static", "true");
 795
 796                         //if (!(member is MethodInfo))
 797                         //    return;
 798
 799                         //MethodInfo method = (MethodInfo) member;
 800                         string rettype = Utils.CleanupTypeName (mbase.ReturnType.ReturnType);
 801                         if (rettype != "System.Void" || !mbase.IsConstructor)
 802                                 AddAttribute (p, "returntype", (rettype));
 803
 804                         AttributeData.OutputAttributes (document, p, mbase.ReturnType.CustomAttributes);
 805
 806                         MemberData.OutputGenericParameters (document, p, mbase);
 807                 }
 808
 809                 public override bool NoMemberAttributes {
 810                         get { return noAtts; }
 811                         set { noAtts = value; }
 812                 }
 813
 814                 public override string ParentTag {
 815                         get { return "methods"; }
 816                 }
 817
 818                 public override string Tag {
 819                         get { return "method"; }
 820                 }
 821         }
 822
 823         class ConstructorData : MethodData
 824         {
 825                 public ConstructorData (XmlDocument document, XmlNode parent, MethodDefinition [] members)
 826                         : base (document, parent, members)
 827                 {
 828                 }
 829
 830                 public override string ParentTag {
 831                         get { return "constructors"; }
 832                 }
 833
 834                 public override string Tag {
 835                         get { return "constructor"; }
 836                 }
 837         }
 838
 839         class ParameterData : BaseData
 840         {
 841                 private ParameterDefinitionCollection parameters;
 842
 843                 public ParameterData (XmlDocument document, XmlNode parent, ParameterDefinitionCollection parameters)
 844                         : base (document, parent)
 845                 {
 846                         this.parameters = parameters;
 847                 }
 848
 849                 public override void DoOutput ()
 850                 {
 851                         XmlNode parametersNode = document.CreateElement ("parameters");
 852                         parent.AppendChild (parametersNode);
 853
 854                         foreach (ParameterDefinition parameter in parameters) {
 855                                 XmlNode paramNode = document.CreateElement ("parameter");
 856                                 parametersNode.AppendChild (paramNode);
 857                                 AddAttribute (paramNode, "name", parameter.Name);
 858                                 AddAttribute (paramNode, "position", parameter.Method.Parameters.IndexOf(parameter).ToString(CultureInfo.InvariantCulture));
 859                                 AddAttribute (paramNode, "attrib", ((int) parameter.Attributes).ToString());
 860
 861                                 string direction = "in";
 862
 863                                 if (parameter.ParameterType is ReferenceType)
 864                                         direction = parameter.IsOut ? "out" : "ref";
 865
 866                                 TypeReference t = parameter.ParameterType;
 867                                 AddAttribute (paramNode, "type", Utils.CleanupTypeName (t));
 868
 869                                 if (parameter.IsOptional) {
 870                                         AddAttribute (paramNode, "optional", "true");
 871                                         if (parameter.HasConstant)
 872                                                 AddAttribute (paramNode, "defaultValue", parameter.Constant == null ? "NULL" : parameter.Constant.ToString ());
 873                                 }
 874
 875                                 if (direction != "in")
 876                                         AddAttribute (paramNode, "direction", direction);
 877
 878                                 AttributeData.OutputAttributes (document, paramNode, parameter.CustomAttributes);
 879                         }
 880                 }
 881         }
 882
 883         class AttributeData : BaseData
 884         {
 885                 CustomAttributeCollection atts;
 886
 887                 AttributeData (XmlDocument doc, XmlNode parent, CustomAttributeCollection attributes)
 888                         : base (doc, parent)
 889                 {
 890                         atts = attributes;
 891                 }
 892
 893                 public override void DoOutput ()
 894                 {
 895                         if (document == null)
 896                                 throw new InvalidOperationException ("Document not set");
 897
 898                         if (atts == null || atts.Count == 0)
 899                                 return;
 900
 901                         XmlNode natts = parent.SelectSingleNode("attributes");
 902                         if (natts == null) {
 903                                 natts = document.CreateElement ("attributes", null);
 904                                 parent.AppendChild (natts);
 905                         }
 906
 907                         for (int i = 0; i < atts.Count; ++i) {
 908                                 CustomAttribute att = atts [i];
 909                                 try {
 910                                         att.Resolve ();
 911                                 } catch {}
 912
 913                                 if (!att.Resolved)
 914                                         continue;
 915
 916                                 string attName = Utils.CleanupTypeName (att.Constructor.DeclaringType);
 917                                 if (SkipAttribute (att))
 918                                         continue;
 919
 920                                 XmlNode node = document.CreateElement ("attribute");
 921                                 AddAttribute (node, "name", attName);
 922
 923                                 XmlNode properties = null;
 924
 925                                 Dictionary<string, object> attribute_mapping = CreateAttributeMapping (att);
 926
 927                                 foreach (string name in attribute_mapping.Keys) {
 928                                         if (name == "TypeId")
 929                                                 continue;
 930
 931                                         if (properties == null) {
 932                                                 properties = node.AppendChild (document.CreateElement ("properties"));
 933                                         }
 934
 935                                         object o = attribute_mapping [name];
 936
 937                                         XmlNode n = properties.AppendChild (document.CreateElement ("property"));
 938                                         AddAttribute (n, "name", name);
 939
 940                                         if (o == null) {
 941                                                 AddAttribute (n, "value", "null");
 942                                                 continue;
 943                                         }
 944                                         string value = o.ToString ();
 945                                         if (attName.EndsWith ("GuidAttribute"))
 946                                                 value = value.ToUpper ();
 947                                         AddAttribute (n, "value", value);
 948                                 }
 949
 950                                 natts.AppendChild (node);
 951                         }
 952                 }
 953
 954                 static Dictionary<string, object> CreateAttributeMapping (CustomAttribute attribute)
 955                 {
 956                         var mapping = new Dictionary<string, object> ();
 957
 958                         PopulateMapping (mapping, attribute);
 959
 960                         var constructor = TypeHelper.Resolver.Resolve (attribute.Constructor);
 961                         if (constructor == null || constructor.Parameters.Count == 0)
 962                                 return mapping;
 963
 964                         PopulateMapping (mapping, constructor, attribute);
 965
 966                         return mapping;
 967                 }
 968
 969                 static void PopulateMapping (Dictionary<string, object> mapping, CustomAttribute attribute)
 970                 {
 971                         foreach (DictionaryEntry entry in attribute.Properties) {
 972                                 var name = (string) entry.Key;
 973
 974                                 mapping.Add (name, GetArgumentValue (attribute.GetPropertyType (name), entry.Value));
 975                         }
 976                 }
 977
 978                 static Dictionary<FieldReference, int> CreateArgumentFieldMapping (MethodDefinition constructor)
 979                 {
 980                         Dictionary<FieldReference, int> field_mapping = new Dictionary<FieldReference, int> ();
 981
 982                         int? argument = null;
 983
 984                         foreach (Instruction instruction in constructor.Body.Instructions) {
 985                                 switch (instruction.OpCode.Code) {
 986                                 case Code.Ldarg_1:
 987                                         argument = 1;
 988                                         break;
 989                                 case Code.Ldarg_2:
 990                                         argument = 2;
 991                                         break;
 992                                 case Code.Ldarg_3:
 993                                         argument = 3;
 994                                         break;
 995                                 case Code.Ldarg:
 996                                 case Code.Ldarg_S:
 997                                         argument = ((ParameterDefinition) instruction.Operand).Sequence;
 998                                         break;
 999
1000                                 case Code.Stfld:
1001                                         FieldReference field = (FieldReference) instruction.Operand;
1002                                         if (field.DeclaringType.FullName != constructor.DeclaringType.FullName)
1003                                                 continue;
1004
1005                                         if (!argument.HasValue)
1006                                                 break;
1007
1008                                         if (!field_mapping.ContainsKey (field))
1009                                                 field_mapping.Add (field, (int) argument - 1);
1010
1011                                         argument = null;
1012                                         break;
1013                                 }
1014                         }
1015
1016                         return field_mapping;
1017                 }
1018
1019                 static Dictionary<PropertyDefinition, FieldReference> CreatePropertyFieldMapping (TypeDefinition type)
1020                 {
1021                         Dictionary<PropertyDefinition, FieldReference> property_mapping = new Dictionary<PropertyDefinition, FieldReference> ();
1022
1023                         foreach (PropertyDefinition property in type.Properties) {
1024                                 if (property.GetMethod == null)
1025                                         continue;
1026                                 if (!property.GetMethod.HasBody)
1027                                         continue;
1028
1029                                 foreach (Instruction instruction in property.GetMethod.Body.Instructions) {
1030                                         if (instruction.OpCode.Code != Code.Ldfld)
1031                                                 continue;
1032
1033                                         FieldReference field = (FieldReference) instruction.Operand;
1034                                         if (field.DeclaringType.FullName != type.FullName)
1035                                                 continue;
1036
1037                                         property_mapping.Add (property, field);
1038                                         break;
1039                                 }
1040                         }
1041
1042                         return property_mapping;
1043                 }
1044
1045                 static void PopulateMapping (Dictionary<string, object> mapping, MethodDefinition constructor, CustomAttribute attribute)
1046                 {
1047                         if (!constructor.HasBody)
1048                                 return;
1049
1050                         var field_mapping = CreateArgumentFieldMapping (constructor);
1051                         var property_mapping = CreatePropertyFieldMapping ((TypeDefinition) constructor.DeclaringType);
1052
1053                         foreach (var pair in property_mapping) {
1054                                 int argument;
1055                                 if (!field_mapping.TryGetValue (pair.Value, out argument))
1056                                         continue;
1057
1058                                 mapping.Add (pair.Key.Name, GetArgumentValue (constructor.Parameters [argument].ParameterType, attribute.ConstructorParameters [argument]));
1059                         }
1060                 }
1061
1062                 static object GetArgumentValue (TypeReference reference, object value)
1063                 {
1064                         var type = TypeHelper.Resolver.Resolve (reference);
1065                         if (type == null)
1066                                 return value;
1067
1068                         if (type.IsEnum) {
1069                                 if (IsFlaggedEnum (type))
1070                                         return GetFlaggedEnumValue (type, value);
1071
1072                                 return GetEnumValue (type, value);
1073                         }
1074
1075                         return value;
1076                 }
1077
1078                 static bool IsFlaggedEnum (TypeDefinition type)
1079                 {
1080                         if (!type.IsEnum)
1081                                 return false;
1082
1083                         if (type.CustomAttributes.Count == 0)
1084                                 return false;
1085
1086                         foreach (CustomAttribute attribute in type.CustomAttributes)
1087                                 if (attribute.Constructor.DeclaringType.FullName == "System.FlagsAttribute")
1088                                         return true;
1089
1090                         return false;
1091                 }
1092
1093                 static object GetFlaggedEnumValue (TypeDefinition type, object value)
1094                 {
1095                         long flags = Convert.ToInt64 (value);
1096                         var signature = new StringBuilder ();
1097
1098                         for (int i = type.Fields.Count - 1; i >= 0; i--) {
1099                                 FieldDefinition field = type.Fields [i];
1100
1101                                 if (!field.HasConstant)
1102                                         continue;
1103
1104                                 long flag = Convert.ToInt64 (field.Constant);
1105
1106                                 if (flag == 0)
1107                                         continue;
1108
1109                                 if ((flags & flag) == flag) {
1110                                         if (signature.Length != 0)
1111                                                 signature.Append (", ");
1112
1113                                         signature.Append (field.Name);
1114                                         flags -= flag;
1115                                 }
1116                         }
1117
1118                         return signature.ToString ();
1119                 }
1120
1121                 static object GetEnumValue (TypeDefinition type, object value)
1122                 {
1123                         foreach (FieldDefinition field in type.Fields) {
1124                                 if (!field.HasConstant)
1125                                         continue;
1126
1127                                 if (Comparer.Default.Compare (field.Constant, value) == 0)
1128                                         return field.Name;
1129                         }
1130
1131                         return value;
1132                 }
1133
1134                 static bool SkipAttribute (CustomAttribute attribute)
1135                 {
1136                         var type_name = Utils.CleanupTypeName (attribute.Constructor.DeclaringType);
1137
1138                         return !TypeHelper.IsPublic (attribute)
1139                                 || type_name.EndsWith ("TODOAttribute");
1140                 }
1141
1142                 public static void OutputAttributes (XmlDocument doc, XmlNode parent, CustomAttributeCollection attributes)
1143                 {
1144                         AttributeData ad = new AttributeData (doc, parent, attributes);
1145                         ad.DoOutput ();
1146                 }
1147         }
1148
1149         static class Parameters {
1150
1151                 public static string GetSignature (ParameterDefinitionCollection infos)
1152                 {
1153                         if (infos == null || infos.Count == 0)
1154                                 return "";
1155
1156                         var signature = new StringBuilder ();
1157                         for (int i = 0; i < infos.Count; i++) {
1158
1159                                 if (i > 0)
1160                                         signature.Append (", ");
1161
1162                                 ParameterDefinition info = infos [i];
1163
1164                                 string modifier;
1165                                 if ((info.Attributes & ParameterAttributes.In) != 0)
1166                                         modifier = "in";
1167                                 else if (((int)info.Attributes & 0x8) != 0) // retval
1168                                         modifier = "ref";
1169                                 else if ((info.Attributes & ParameterAttributes.Out) != 0)
1170                                         modifier = "out";
1171                                 else
1172                                         modifier = string.Empty;
1173
1174                                 if (modifier.Length > 0)
1175                                         signature.AppendFormat ("{0} ", modifier);
1176
1177                                 signature.Append (Utils.CleanupTypeName (info.ParameterType));
1178                         }
1179
1180                         return signature.ToString ();
1181                 }
1182
1183         }
1184
1185         class TypeReferenceComparer : IComparer
1186         {
1187                 public static TypeReferenceComparer Default = new TypeReferenceComparer ();
1188
1189                 public int Compare (object a, object b)
1190                 {
1191                         TypeReference ta = (TypeReference) a;
1192                         TypeReference tb = (TypeReference) b;
1193                         int result = String.Compare (ta.Namespace, tb.Namespace);
1194                         if (result != 0)
1195                                 return result;
1196
1197                         return String.Compare (ta.Name, tb.Name);
1198                 }
1199         }
1200
1201         class MemberReferenceComparer : IComparer
1202         {
1203                 public static MemberReferenceComparer Default = new MemberReferenceComparer ();
1204
1205                 public int Compare (object a, object b)
1206                 {
1207                         MemberReference ma = (MemberReference) a;
1208                         MemberReference mb = (MemberReference) b;
1209                         return String.Compare (ma.Name, mb.Name);
1210                 }
1211         }
1212
1213         class MethodDefinitionComparer : IComparer
1214         {
1215                 public static MethodDefinitionComparer Default = new MethodDefinitionComparer ();
1216
1217                 public int Compare (object a, object b)
1218                 {
1219                         MethodDefinition ma = (MethodDefinition) a;
1220                         MethodDefinition mb = (MethodDefinition) b;
1221                         int res = String.Compare (ma.Name, mb.Name);
1222                         if (res != 0)
1223                                 return res;
1224
1225                         ParameterDefinitionCollection pia = ma.Parameters ;
1226                         ParameterDefinitionCollection pib = mb.Parameters;
1227                         res = pia.Count - pib.Count;
1228                         if (res != 0)
1229                                 return res;
1230
1231                         string siga = Parameters.GetSignature (pia);
1232                         string sigb = Parameters.GetSignature (pib);
1233                         return String.Compare (siga, sigb);
1234                 }
1235         }
1236 }
1237