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