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                                 list.Add (method);
 536                         }
 537
 538                         return (MethodDefinition []) list.ToArray (typeof (MethodDefinition));
 539                 }
 540
 541                 private MethodDefinition [] GetConstructors (TypeDefinition type)
 542                 {
 543                         ArrayList list = new ArrayList ();
 544
 545                         ConstructorCollection ctors = type.Constructors;//type.GetConstructors (flags);
 546                         foreach (MethodDefinition constructor in ctors) {
 547                                 // we're only interested in public or protected members
 548                                 if (!MustDocumentMethod(constructor))
 549                                         continue;
 550
 551                                 list.Add (constructor);
 552                         }
 553
 554                         return (MethodDefinition []) list.ToArray (typeof (MethodDefinition));
 555                 }
 556
 557                 private EventDefinition[] GetEvents (TypeDefinition type)
 558                 {
 559                         ArrayList list = new ArrayList ();
 560
 561                         EventDefinitionCollection events = type.Events;//type.GetEvents (flags);
 562                         foreach (EventDefinition eventDef in events) {
 563                                 MethodDefinition addMethod = eventDef.AddMethod;//eventInfo.GetAddMethod (true);
 564
 565                                 if (addMethod == null || !MustDocumentMethod (addMethod))
 566                                         continue;
 567
 568                                 list.Add (eventDef);
 569                         }
 570
 571                         return (EventDefinition []) list.ToArray (typeof (EventDefinition));
 572                 }
 573         }
 574
 575         class FieldData : MemberData
 576         {
 577                 public FieldData (XmlDocument document, XmlNode parent, FieldDefinition [] members)
 578                         : base (document, parent, members)
 579                 {
 580                 }
 581
 582                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 583                         return ((FieldDefinition) member).CustomAttributes;
 584                 }
 585
 586                 protected override string GetName (MemberReference memberDefenition)
 587                 {
 588                         FieldDefinition field = (FieldDefinition) memberDefenition;
 589                         return field.Name;
 590                 }
 591
 592                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 593                 {
 594                         FieldDefinition field = (FieldDefinition) memberDefenition;
 595                         return ((int) field.Attributes).ToString (CultureInfo.InvariantCulture);
 596                 }
 597
 598                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 599                 {
 600                         base.AddExtraData (p, memberDefenition);
 601                         FieldDefinition field = (FieldDefinition) memberDefenition;
 602                         AddAttribute (p, "fieldtype", Utils.CleanupTypeName (field.FieldType));
 603
 604                         if (field.IsLiteral) {
 605                                 object value = field.Constant;//object value = field.GetValue (null);
 606                                 string stringValue = null;
 607                                 //if (value is Enum) {
 608                                 //    // FIXME: when Mono bug #60090 has been
 609                                 //    // fixed, we should just be able to use
 610                                 //    // Convert.ToString
 611                                 //    stringValue = ((Enum) value).ToString ("D", CultureInfo.InvariantCulture);
 612                                 //}
 613                                 //else {
 614                                         stringValue = Convert.ToString (value, CultureInfo.InvariantCulture);
 615                                 //}
 616
 617                                 if (stringValue != null)
 618                                         AddAttribute (p, "value", stringValue);
 619                         }
 620                 }
 621
 622                 public override string ParentTag {
 623                         get { return "fields"; }
 624                 }
 625
 626                 public override string Tag {
 627                         get { return "field"; }
 628                 }
 629         }
 630
 631         class PropertyData : MemberData
 632         {
 633                 public PropertyData (XmlDocument document, XmlNode parent, PropertyDefinition [] members)
 634                         : base (document, parent, members)
 635                 {
 636                 }
 637
 638                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 639                         return ((PropertyDefinition) member).CustomAttributes;
 640                 }
 641
 642                 protected override string GetName (MemberReference memberDefenition)
 643                 {
 644                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 645                         return prop.Name;
 646                 }
 647
 648                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 649                 {
 650                         base.AddExtraData (p, memberDefenition);
 651                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 652                         AddAttribute (p, "ptype", Utils.CleanupTypeName (prop.PropertyType));
 653                         MethodDefinition _get = prop.GetMethod;
 654                         MethodDefinition _set = prop.SetMethod;
 655                         bool haveGet = (_get != null && TypeData.MustDocumentMethod(_get));
 656                         bool haveSet = (_set != null && TypeData.MustDocumentMethod(_set));
 657                         MethodDefinition [] methods;
 658
 659                         if (haveGet && haveSet) {
 660                                 methods = new MethodDefinition [] { _get, _set };
 661                         } else if (haveGet) {
 662                                 methods = new MethodDefinition [] { _get };
 663                         } else if (haveSet) {
 664                                 methods = new MethodDefinition [] { _set };
 665                         } else {
 666                                 //odd
 667                                 return;
 668                         }
 669
 670                         string parms = Parameters.GetSignature (methods [0].Parameters);
 671                         AddAttribute (p, "params", parms);
 672
 673                         MethodData data = new MethodData (document, p, methods);
 674                         //data.NoMemberAttributes = true;
 675                         data.DoOutput ();
 676                 }
 677
 678                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 679                 {
 680                         PropertyDefinition prop = (PropertyDefinition) memberDefenition;
 681                         return ((int) prop.Attributes).ToString (CultureInfo.InvariantCulture);
 682                 }
 683
 684                 public override string ParentTag {
 685                         get { return "properties"; }
 686                 }
 687
 688                 public override string Tag {
 689                         get { return "property"; }
 690                 }
 691         }
 692
 693         class EventData : MemberData
 694         {
 695                 public EventData (XmlDocument document, XmlNode parent, EventDefinition [] members)
 696                         : base (document, parent, members)
 697                 {
 698                 }
 699
 700                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 701                         return ((EventDefinition) member).CustomAttributes;
 702                 }
 703
 704                 protected override string GetName (MemberReference memberDefenition)
 705                 {
 706                         EventDefinition evt = (EventDefinition) memberDefenition;
 707                         return evt.Name;
 708                 }
 709
 710                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 711                 {
 712                         EventDefinition evt = (EventDefinition) memberDefenition;
 713                         return ((int) evt.Attributes).ToString (CultureInfo.InvariantCulture);
 714                 }
 715
 716                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 717                 {
 718                         base.AddExtraData (p, memberDefenition);
 719                         EventDefinition evt = (EventDefinition) memberDefenition;
 720                         AddAttribute (p, "eventtype", Utils.CleanupTypeName (evt.EventType));
 721                 }
 722
 723                 public override string ParentTag {
 724                         get { return "events"; }
 725                 }
 726
 727                 public override string Tag {
 728                         get { return "event"; }
 729                 }
 730         }
 731
 732         class MethodData : MemberData
 733         {
 734                 bool noAtts;
 735
 736                 public MethodData (XmlDocument document, XmlNode parent, MethodDefinition [] members)
 737                         : base (document, parent, members)
 738                 {
 739                 }
 740
 741                 protected override CustomAttributeCollection GetCustomAttributes (MemberReference member) {
 742                         return ((MethodDefinition) member).CustomAttributes;
 743                 }
 744
 745                 protected override string GetName (MemberReference memberDefenition)
 746                 {
 747                         MethodDefinition method = (MethodDefinition) memberDefenition;
 748                         string name = method.Name;
 749                         string parms = Parameters.GetSignature (method.Parameters);
 750
 751                         return string.Format ("{0}({1})", name, parms);
 752                 }
 753
 754                 protected override string GetMemberAttributes (MemberReference memberDefenition)
 755                 {
 756                         MethodDefinition method = (MethodDefinition) memberDefenition;
 757                         return ((int)( method.Attributes)).ToString (CultureInfo.InvariantCulture);
 758                 }
 759
 760                 protected override void AddExtraData (XmlNode p, MemberReference memberDefenition)
 761                 {
 762                         base.AddExtraData (p, memberDefenition);
 763
 764                         if (!(memberDefenition is MethodDefinition))
 765                                 return;
 766
 767                         MethodDefinition mbase = (MethodDefinition) memberDefenition;
 768
 769                         ParameterData parms = new ParameterData (document, p, mbase.Parameters);
 770                         parms.DoOutput ();
 771
 772                         if (mbase.IsAbstract)
 773                                 AddAttribute (p, "abstract", "true");
 774                         if (mbase.IsVirtual)
 775                                 AddAttribute (p, "virtual", "true");
 776                         if (mbase.IsStatic)
 777                                 AddAttribute (p, "static", "true");
 778
 779                         //if (!(member is MethodInfo))
 780                         //    return;
 781
 782                         //MethodInfo method = (MethodInfo) member;
 783                         string rettype = Utils.CleanupTypeName (mbase.ReturnType.ReturnType);
 784                         if (rettype != "System.Void" || !mbase.IsConstructor)
 785                                 AddAttribute (p, "returntype", (rettype));
 786
 787                         AttributeData.OutputAttributes (document, p, mbase.ReturnType.CustomAttributes);
 788
 789                         MemberData.OutputGenericParameters (document, p, mbase);
 790                 }
 791
 792                 public override bool NoMemberAttributes {
 793                         get { return noAtts; }
 794                         set { noAtts = value; }
 795                 }
 796
 797                 public override string ParentTag {
 798                         get { return "methods"; }
 799                 }
 800
 801                 public override string Tag {
 802                         get { return "method"; }
 803                 }
 804         }
 805
 806         class ConstructorData : MethodData
 807         {
 808                 public ConstructorData (XmlDocument document, XmlNode parent, MethodDefinition [] members)
 809                         : base (document, parent, members)
 810                 {
 811                 }
 812
 813                 public override string ParentTag {
 814                         get { return "constructors"; }
 815                 }
 816
 817                 public override string Tag {
 818                         get { return "constructor"; }
 819                 }
 820         }
 821
 822         class ParameterData : BaseData
 823         {
 824                 private ParameterDefinitionCollection parameters;
 825
 826                 public ParameterData (XmlDocument document, XmlNode parent, ParameterDefinitionCollection parameters)
 827                         : base (document, parent)
 828                 {
 829                         this.parameters = parameters;
 830                 }
 831
 832                 public override void DoOutput ()
 833                 {
 834                         XmlNode parametersNode = document.CreateElement ("parameters");
 835                         parent.AppendChild (parametersNode);
 836
 837                         foreach (ParameterDefinition parameter in parameters) {
 838                                 XmlNode paramNode = document.CreateElement ("parameter");
 839                                 parametersNode.AppendChild (paramNode);
 840                                 AddAttribute (paramNode, "name", parameter.Name);
 841                                 AddAttribute (paramNode, "position", parameter.Method.Parameters.IndexOf(parameter).ToString(CultureInfo.InvariantCulture));
 842                                 AddAttribute (paramNode, "attrib", ((int) parameter.Attributes).ToString());
 843
 844                                 string direction = "in";
 845
 846                                 if (parameter.ParameterType is ReferenceType)
 847                                         direction = parameter.IsOut ? "out" : "ref";
 848
 849                                 TypeReference t = parameter.ParameterType;
 850                                 AddAttribute (paramNode, "type", Utils.CleanupTypeName (t));
 851
 852                                 if (parameter.IsOptional) {
 853                                         AddAttribute (paramNode, "optional", "true");
 854                                         if (parameter.HasConstant)
 855                                                 AddAttribute (paramNode, "defaultValue", parameter.Constant == null ? "NULL" : parameter.Constant.ToString ());
 856                                 }
 857
 858                                 if (direction != "in")
 859                                         AddAttribute (paramNode, "direction", direction);
 860
 861                                 AttributeData.OutputAttributes (document, paramNode, parameter.CustomAttributes);
 862                         }
 863                 }
 864         }
 865
 866         class AttributeData : BaseData
 867         {
 868                 CustomAttributeCollection atts;
 869
 870                 AttributeData (XmlDocument doc, XmlNode parent, CustomAttributeCollection attributes)
 871                         : base (doc, parent)
 872                 {
 873                         atts = attributes;
 874                 }
 875
 876                 public override void DoOutput ()
 877                 {
 878                         if (document == null)
 879                                 throw new InvalidOperationException ("Document not set");
 880
 881                         if (atts == null || atts.Count == 0)
 882                                 return;
 883
 884                         XmlNode natts = parent.SelectSingleNode("attributes");
 885                         if (natts == null) {
 886                                 natts = document.CreateElement ("attributes", null);
 887                                 parent.AppendChild (natts);
 888                         }
 889
 890                         for (int i = 0; i < atts.Count; ++i) {
 891                                 CustomAttribute att = atts [i];
 892                                 try {
 893                                         att.Resolve ();
 894                                 } catch {}
 895
 896                                 if (!att.Resolved)
 897                                         continue;
 898
 899                                 string attName = Utils.CleanupTypeName (att.Constructor.DeclaringType);
 900                                 if (SkipAttribute (att))
 901                                         continue;
 902
 903                                 XmlNode node = document.CreateElement ("attribute");
 904                                 AddAttribute (node, "name", attName);
 905
 906                                 XmlNode properties = null;
 907
 908                                 Dictionary<string, object> attribute_mapping = CreateAttributeMapping (att);
 909
 910                                 foreach (string name in attribute_mapping.Keys) {
 911                                         if (name == "TypeId")
 912                                                 continue;
 913
 914                                         if (properties == null) {
 915                                                 properties = node.AppendChild (document.CreateElement ("properties"));
 916                                         }
 917
 918                                         object o = attribute_mapping [name];
 919
 920                                         XmlNode n = properties.AppendChild (document.CreateElement ("property"));
 921                                         AddAttribute (n, "name", name);
 922
 923                                         if (o == null) {
 924                                                 AddAttribute (n, "value", "null");
 925                                                 continue;
 926                                         }
 927                                         string value = o.ToString ();
 928                                         if (attName.EndsWith ("GuidAttribute"))
 929                                                 value = value.ToUpper ();
 930                                         AddAttribute (n, "value", value);
 931                                 }
 932
 933                                 natts.AppendChild (node);
 934                         }
 935                 }
 936
 937                 static Dictionary<string, object> CreateAttributeMapping (CustomAttribute attribute)
 938                 {
 939                         var mapping = new Dictionary<string, object> ();
 940
 941                         PopulateMapping (mapping, attribute);
 942
 943                         var constructor = TypeHelper.Resolver.Resolve (attribute.Constructor);
 944                         if (constructor == null || constructor.Parameters.Count == 0)
 945                                 return mapping;
 946
 947                         PopulateMapping (mapping, constructor, attribute);
 948
 949                         return mapping;
 950                 }
 951
 952                 static void PopulateMapping (Dictionary<string, object> mapping, CustomAttribute attribute)
 953                 {
 954                         foreach (DictionaryEntry entry in attribute.Properties) {
 955                                 var name = (string) entry.Key;
 956
 957                                 mapping.Add (name, GetArgumentValue (attribute.GetPropertyType (name), entry.Value));
 958                         }
 959                 }
 960
 961                 static Dictionary<FieldReference, int> CreateArgumentFieldMapping (MethodDefinition constructor)
 962                 {
 963                         Dictionary<FieldReference, int> field_mapping = new Dictionary<FieldReference, int> ();
 964
 965                         int? argument = null;
 966
 967                         foreach (Instruction instruction in constructor.Body.Instructions) {
 968                                 switch (instruction.OpCode.Code) {
 969                                 case Code.Ldarg_1:
 970                                         argument = 1;
 971                                         break;
 972                                 case Code.Ldarg_2:
 973                                         argument = 2;
 974                                         break;
 975                                 case Code.Ldarg_3:
 976                                         argument = 3;
 977                                         break;
 978                                 case Code.Ldarg:
 979                                 case Code.Ldarg_S:
 980                                         argument = ((ParameterDefinition) instruction.Operand).Sequence;
 981                                         break;
 982
 983                                 case Code.Stfld:
 984                                         FieldReference field = (FieldReference) instruction.Operand;
 985                                         if (field.DeclaringType.FullName != constructor.DeclaringType.FullName)
 986                                                 continue;
 987
 988                                         if (!argument.HasValue)
 989                                                 break;
 990
 991                                         if (!field_mapping.ContainsKey (field))
 992                                                 field_mapping.Add (field, (int) argument - 1);
 993
 994                                         argument = null;
 995                                         break;
 996                                 }
 997                         }
 998
 999                         return field_mapping;
1000                 }
1001
1002                 static Dictionary<PropertyDefinition, FieldReference> CreatePropertyFieldMapping (TypeDefinition type)
1003                 {
1004                         Dictionary<PropertyDefinition, FieldReference> property_mapping = new Dictionary<PropertyDefinition, FieldReference> ();
1005
1006                         foreach (PropertyDefinition property in type.Properties) {
1007                                 if (property.GetMethod == null)
1008                                         continue;
1009                                 if (!property.GetMethod.HasBody)
1010                                         continue;
1011
1012                                 foreach (Instruction instruction in property.GetMethod.Body.Instructions) {
1013                                         if (instruction.OpCode.Code != Code.Ldfld)
1014                                                 continue;
1015
1016                                         FieldReference field = (FieldReference) instruction.Operand;
1017                                         if (field.DeclaringType.FullName != type.FullName)
1018                                                 continue;
1019
1020                                         property_mapping.Add (property, field);
1021                                         break;
1022                                 }
1023                         }
1024
1025                         return property_mapping;
1026                 }
1027
1028                 static void PopulateMapping (Dictionary<string, object> mapping, MethodDefinition constructor, CustomAttribute attribute)
1029                 {
1030                         if (!constructor.HasBody)
1031                                 return;
1032
1033                         var field_mapping = CreateArgumentFieldMapping (constructor);
1034                         var property_mapping = CreatePropertyFieldMapping ((TypeDefinition) constructor.DeclaringType);
1035
1036                         foreach (var pair in property_mapping) {
1037                                 int argument;
1038                                 if (!field_mapping.TryGetValue (pair.Value, out argument))
1039                                         continue;
1040
1041                                 mapping.Add (pair.Key.Name, GetArgumentValue (constructor.Parameters [argument].ParameterType, attribute.ConstructorParameters [argument]));
1042                         }
1043                 }
1044
1045                 static object GetArgumentValue (TypeReference reference, object value)
1046                 {
1047                         var type = TypeHelper.Resolver.Resolve (reference);
1048                         if (type == null)
1049                                 return value;
1050
1051                         if (type.IsEnum) {
1052                                 if (IsFlaggedEnum (type))
1053                                         return GetFlaggedEnumValue (type, value);
1054
1055                                 return GetEnumValue (type, value);
1056                         }
1057
1058                         return value;
1059                 }
1060
1061                 static bool IsFlaggedEnum (TypeDefinition type)
1062                 {
1063                         if (!type.IsEnum)
1064                                 return false;
1065
1066                         if (type.CustomAttributes.Count == 0)
1067                                 return false;
1068
1069                         foreach (CustomAttribute attribute in type.CustomAttributes)
1070                                 if (attribute.Constructor.DeclaringType.FullName == "System.FlagsAttribute")
1071                                         return true;
1072
1073                         return false;
1074                 }
1075
1076                 static object GetFlaggedEnumValue (TypeDefinition type, object value)
1077                 {
1078                         long flags = Convert.ToInt64 (value);
1079                         var signature = new StringBuilder ();
1080
1081                         for (int i = type.Fields.Count - 1; i >= 0; i--) {
1082                                 FieldDefinition field = type.Fields [i];
1083
1084                                 if (!field.HasConstant)
1085                                         continue;
1086
1087                                 long flag = Convert.ToInt64 (field.Constant);
1088
1089                                 if (flag == 0)
1090                                         continue;
1091
1092                                 if ((flags & flag) == flag) {
1093                                         if (signature.Length != 0)
1094                                                 signature.Append (", ");
1095
1096                                         signature.Append (field.Name);
1097                                         flags -= flag;
1098                                 }
1099                         }
1100
1101                         return signature.ToString ();
1102                 }
1103
1104                 static object GetEnumValue (TypeDefinition type, object value)
1105                 {
1106                         foreach (FieldDefinition field in type.Fields) {
1107                                 if (!field.HasConstant)
1108                                         continue;
1109
1110                                 if (Comparer.Default.Compare (field.Constant, value) == 0)
1111                                         return field.Name;
1112                         }
1113
1114                         return value;
1115                 }
1116
1117                 static bool SkipAttribute (CustomAttribute attribute)
1118                 {
1119                         var type_name = Utils.CleanupTypeName (attribute.Constructor.DeclaringType);
1120
1121                         return !TypeHelper.IsPublic (attribute)
1122                                 || type_name.EndsWith ("TODOAttribute");
1123                 }
1124
1125                 public static void OutputAttributes (XmlDocument doc, XmlNode parent, CustomAttributeCollection attributes)
1126                 {
1127                         AttributeData ad = new AttributeData (doc, parent, attributes);
1128                         ad.DoOutput ();
1129                 }
1130         }
1131
1132         static class Parameters {
1133
1134                 public static string GetSignature (ParameterDefinitionCollection infos)
1135                 {
1136                         if (infos == null || infos.Count == 0)
1137                                 return "";
1138
1139                         var signature = new StringBuilder ();
1140                         for (int i = 0; i < infos.Count; i++) {
1141
1142                                 if (i > 0)
1143                                         signature.Append (", ");
1144
1145                                 ParameterDefinition info = infos [i];
1146
1147                                 string modifier;
1148                                 if ((info.Attributes & ParameterAttributes.In) != 0)
1149                                         modifier = "in";
1150                                 else if (((int)info.Attributes & 0x8) != 0) // retval
1151                                         modifier = "ref";
1152                                 else if ((info.Attributes & ParameterAttributes.Out) != 0)
1153                                         modifier = "out";
1154                                 else
1155                                         modifier = string.Empty;
1156
1157                                 if (modifier.Length > 0)
1158                                         signature.AppendFormat ("{0} ", modifier);
1159
1160                                 signature.Append (Utils.CleanupTypeName (info.ParameterType));
1161                         }
1162
1163                         return signature.ToString ();
1164                 }
1165
1166         }
1167
1168         class TypeReferenceComparer : IComparer
1169         {
1170                 public static TypeReferenceComparer Default = new TypeReferenceComparer ();
1171
1172                 public int Compare (object a, object b)
1173                 {
1174                         TypeReference ta = (TypeReference) a;
1175                         TypeReference tb = (TypeReference) b;
1176                         int result = String.Compare (ta.Namespace, tb.Namespace);
1177                         if (result != 0)
1178                                 return result;
1179
1180                         return String.Compare (ta.Name, tb.Name);
1181                 }
1182         }
1183
1184         class MemberReferenceComparer : IComparer
1185         {
1186                 public static MemberReferenceComparer Default = new MemberReferenceComparer ();
1187
1188                 public int Compare (object a, object b)
1189                 {
1190                         MemberReference ma = (MemberReference) a;
1191                         MemberReference mb = (MemberReference) b;
1192                         return String.Compare (ma.Name, mb.Name);
1193                 }
1194         }
1195
1196         class MethodDefinitionComparer : IComparer
1197         {
1198                 public static MethodDefinitionComparer Default = new MethodDefinitionComparer ();
1199
1200                 public int Compare (object a, object b)
1201                 {
1202                         MethodDefinition ma = (MethodDefinition) a;
1203                         MethodDefinition mb = (MethodDefinition) b;
1204                         int res = String.Compare (ma.Name, mb.Name);
1205                         if (res != 0)
1206                                 return res;
1207
1208                         ParameterDefinitionCollection pia = ma.Parameters ;
1209                         ParameterDefinitionCollection pib = mb.Parameters;
1210                         res = pia.Count - pib.Count;
1211                         if (res != 0)
1212                                 return res;
1213
1214                         string siga = Parameters.GetSignature (pia);
1215                         string sigb = Parameters.GetSignature (pib);
1216                         return String.Compare (siga, sigb);
1217                 }
1218         }
1219 }
1220