mcs/tools/monop/monop.cs

   1 //
   2 // monop -- a semi-clone of javap
   3 //
   4 // TODO:
   5 //   Dump all attributes.
   6 //
   7 // Authors:
   8 //      Ben Maurer (bmaurer@users.sourceforge.net)
   9 //      John Luke  (john.luke@gmail.com)
  10 //
  11 // (C) 2004 Ben Maurer
  12 // (C) 2004 John Luke
  13 //
  14
  15 //
  16 // Permission is hereby granted, free of charge, to any person obtaining
  17 // a copy of this software and associated documentation files (the
  18 // "Software"), to deal in the Software without restriction, including
  19 // without limitation the rights to use, copy, modify, merge, publish,
  20 // distribute, sublicense, and/or sell copies of the Software, and to
  21 // permit persons to whom the Software is furnished to do so, subject to
  22 // the following conditions:
  23 //
  24 // The above copyright notice and this permission notice shall be
  25 // included in all copies or substantial portions of the Software.
  26 //
  27 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  28 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  29 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  30 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  31 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  32 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  33 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  34 //
  35
  36
  37 using System;
  38 using System.CodeDom.Compiler;
  39 using System.Collections;
  40 using System.Diagnostics;
  41 using System.IO;
  42 using IKVM.Reflection;
  43 using System.Text;
  44 using Mono.CSharp;
  45 using Type=IKVM.Reflection.Type;
  46
  47 class MonoP {
  48         static Universe universe = new Universe(UniverseOptions.EnableFunctionPointers | UniverseOptions.ResolveMissingMembers | UniverseOptions.DisablePseudoCustomAttributeRetrieval);
  49         static Assembly mscorlib;
  50         static Type obsolete_attribute;
  51         static string assembly;
  52
  53         // very common namespaces, all in corlib
  54         static readonly string [] v_common_ns = {
  55                 "System",
  56                 "System.Collections",
  57                 "System.Reflection",
  58                 "System.Text",
  59                 "System.IO",
  60         };
  61
  62         static readonly string [] common_assemblies = {
  63                 "System.Xml.dll",
  64                 "System.Web.dll",
  65                 "gtk-sharp.dll",
  66                 "glib-sharp.dll"
  67         };
  68
  69         static readonly string [] common_ns = {
  70                 "System.Xml",
  71                 "System.Web",
  72                 "Foundation",
  73                 "CoreFoundation",
  74                 "CoreGraphics",
  75                 "UIKit",
  76                 "Gtk",
  77                 "GLib",
  78         };
  79
  80         static Type GetType (string tname, bool ignoreCase)
  81         {
  82                 Type t;
  83                 if (assembly != null) {
  84                         Assembly a = GetAssembly (assembly, true);
  85                         t = a.GetType (tname, false, ignoreCase);
  86                 } else {
  87                         t = mscorlib.GetType (tname, false, ignoreCase);
  88                 }
  89                 return t;
  90         }
  91
  92         static string SearchTypes (string name, ref Type retval, out int count)
  93         {
  94                 StringBuilder sb = new StringBuilder ();
  95                 Type current = null;
  96                 count = 0;
  97
  98                 string [] assemblies = GetKnownAssemblyNames ();
  99                 for (int i = 0; i < assemblies.Length; i++) {
 100                         Console.WriteLine ("Loading {0}", assemblies[i]);
 101                         Assembly a = GetAssembly (assemblies [i], false);
 102                         if (a == null)
 103                                 continue;
 104
 105                         Type [] types = a.GetTypes ();
 106                         for (int j = 0; j < types.Length; j++) {
 107                                 Type t = types [j];
 108                                 if (t.IsPublic == false)
 109                                         continue;
 110
 111                                 if (t.Name == name || t.Name.ToLower ().IndexOf (name.ToLower ()) > 0) {
 112                                         current = t;
 113                                         count ++;
 114                                         sb.Append (t.FullName + " from " + a.Location + "\n");
 115                                 }
 116                         }
 117                 }
 118
 119                 if (count == 0)
 120                         return null;
 121
 122                 if (count == 1) {
 123                         retval = current;
 124                         return String.Empty;
 125                 }
 126
 127                 return sb.ToString ();
 128         }
 129
 130         static string [] GetKnownAssemblyNames ()
 131         {
 132                 Console.WriteLine (options.PublicDir);
 133                 if (options.Style == "xios" || options.Style == "xand"){
 134                         return Directory.GetFiles (options.PublicDir, "*.dll");
 135                 }
 136
 137                 Process p = new Process ();
 138                 p.StartInfo.UseShellExecute = false;
 139                 p.StartInfo.RedirectStandardOutput = true;
 140                 p.StartInfo.FileName = "gacutil";
 141                 p.StartInfo.Arguments = "-l";
 142                 try {
 143                         p.Start ();
 144                 }
 145                 catch {
 146                         Console.WriteLine ("WARNING: gacutil could not be found.");
 147                         return new string[0];
 148                 }
 149
 150                 string s;
 151                 ArrayList names = new ArrayList ();
 152                 StreamReader output = p.StandardOutput;
 153
 154                 while ((s = output.ReadLine ()) != null)
 155                         names.Add (s);
 156
 157                 p.WaitForExit ();
 158
 159                 int length = names.Count - 1;
 160                 string [] retval = new string [length];
 161                 retval [0] = typeof (Object).Assembly.FullName;
 162                 names.CopyTo (1, retval, 1, length - 1); // skip the first and last line
 163                 return retval;
 164         }
 165
 166         static Assembly GetAssembly (string assembly, bool exit)
 167         {
 168                 Assembly a = null;
 169
 170                 // if -r:~/foo.dll syntax is used the shell misses it
 171                 if (assembly.StartsWith ("~/"))
 172                         assembly = Path.Combine (Environment.GetFolderPath (Environment.SpecialFolder.Personal), assembly.Substring (2));
 173
 174                 try {
 175                         // if it exists try to use LoadFrom
 176                         if (File.Exists (assembly))
 177                                 a = universe.LoadFile (assembly);
 178                         else
 179                                 a = LoadFromMonoPath (assembly);
 180                 } catch {
 181                         // ignore exception it gets handled below
 182                 }
 183
 184                 if (a == null && exit) {
 185                         Console.WriteLine ("Could not load {0}", MonoP.assembly);
 186                         Environment.Exit (1);
 187                 }
 188
 189                 return a;
 190         }
 191
 192         static Assembly LoadFromMonoPath (string assembly)
 193         {
 194                 // ; on win32, : everywhere else
 195                 char sep = (Path.DirectorySeparatorChar == '/' ? ':' : ';');
 196                 string[] paths = Environment.GetEnvironmentVariable ("MONO_PATH").Split (sep);
 197                 foreach (string path in paths) {
 198                         string apath = Path.Combine (path, assembly);
 199                         if (File.Exists (apath))
 200                                 return universe.LoadFile (apath);
 201                 }
 202                 return null;
 203         }
 204
 205         static Type GetType (string tname)
 206         {
 207                 return GetType (tname, false);
 208         }
 209
 210         static void PrintRefs (string assembly)
 211         {
 212                 Assembly a = GetAssembly (assembly, true);
 213                 foreach (AssemblyName an in a.GetReferencedAssemblies ())
 214                         Console.WriteLine (an);
 215         }
 216
 217         static void PrintTypes (string assembly, bool show_private, bool filter_obsolete)
 218         {
 219                 Assembly a = GetAssembly (assembly, true);
 220
 221                 Console.WriteLine ();
 222                 Console.WriteLine ("Assembly Information:");
 223
 224                 foreach (string ai in a.ToString ().Split (','))
 225                         Console.WriteLine (ai.Trim ());
 226
 227                 Console.WriteLine ();
 228                 Type [] types = show_private ? a.GetTypes () : a.GetExportedTypes ();
 229                 Array.Sort (types, new TypeSorter ());
 230
 231                 int obsolete_count = 0;
 232                 foreach (Type t in types) {
 233                         if (filter_obsolete && t.IsDefined (obsolete_attribute, false))
 234                                 obsolete_count++;
 235                         else
 236                                 Console.WriteLine (t.FullName);
 237                 }
 238
 239                 Console.WriteLine ("\nTotal: {0} types.", types.Length - obsolete_count);
 240         }
 241
 242         internal static void Completion (string prefix)
 243         {
 244                 foreach (Type t in mscorlib.GetExportedTypes ()) {
 245                         if (t.Name.StartsWith (prefix)) {
 246                                 if (Array.IndexOf (v_common_ns, t.Namespace) != -1) {
 247                                         Console.WriteLine (t.Name);
 248                                         return;
 249                                 }
 250                         }
 251
 252                         if (t.FullName.StartsWith (prefix)) {
 253                                 Console.WriteLine (t.FullName);
 254                         }
 255                 }
 256
 257                 foreach (string assm in common_assemblies) {
 258                         try {
 259
 260                                 Assembly a = GetAssembly (assm, true);
 261                                 foreach (Type t in a.GetExportedTypes ()) {
 262
 263                                         if (t.Name.StartsWith (prefix)) {
 264                                                 if (Array.IndexOf (common_ns, t.Namespace) != -1) {
 265                                                         Console.WriteLine (t.Name);
 266                                                         return;
 267                                                 }
 268                                         }
 269
 270                                         if (t.FullName.StartsWith (prefix)) {
 271                                                 Console.WriteLine (t.FullName);
 272                                         }
 273                                 }
 274
 275                         } catch {
 276                         }
 277                 }
 278
 279         }
 280
 281         static void ShowAll (string assembly, bool show_private, bool filter_obsolete)
 282         {
 283                 Assembly a = GetAssembly (assembly, true);
 284
 285                 foreach (string ai in a.ToString ().Split (','))
 286                         Console.WriteLine (ai.Trim ());
 287
 288                 Console.WriteLine ();
 289                 Type [] types = show_private ? a.GetTypes () : a.GetExportedTypes ();
 290                 Array.Sort (types, new TypeSorter ());
 291
 292                 var sw = new StreamWriter (Console.OpenStandardOutput (), Console.Out.Encoding);
 293                 foreach (Type t in types) {
 294                         if (filter_obsolete && t.IsDefined (obsolete_attribute, false))
 295                                 continue;
 296
 297                         new Outline (universe, mscorlib, t, sw, true, show_private, filter_obsolete).OutlineType ();
 298                 }
 299                 sw.Flush ();
 300         }
 301
 302         static Options options = new Options ();
 303
 304         static void Main (string [] args)
 305         {
 306                 if (!options.ProcessArgs (args))
 307                         return;
 308
 309                 if (options.Style == null)
 310                         mscorlib = universe.LoadFile (typeof (int).Assembly.Location);
 311                 else
 312                         mscorlib = universe.LoadFile (Path.Combine (options.PublicDir, "mscorlib.dll"));
 313
 314                 obsolete_attribute = mscorlib.GetType ("System.ObsoleteAttribute");
 315
 316                 if (options.AssemblyReference != null) {
 317                         assembly = options.AssemblyReference;
 318
 319                         if (options.ShowAll){
 320                                 ShowAll (assembly, options.ShowPrivate, options.FilterObsolete);
 321                                 return;
 322                         } else {
 323                                 if (options.Type == null) {
 324                                         if (options.PrintRefs)
 325                                                 PrintRefs (assembly);
 326                                         else
 327                                                 PrintTypes (assembly, options.ShowPrivate, options.FilterObsolete);
 328                                         return;
 329                                 }
 330                         }
 331                 }
 332
 333                 string message = null;
 334                 string tname = options.Type;
 335                 Type t = null;
 336                 int count;
 337
 338
 339                 if (options.Search) {
 340                         string matches = SearchTypes (tname, ref t, out count);
 341
 342                         if (count == 0)
 343                                 goto notfound;
 344
 345                         if (count == 1)
 346                                 goto found;
 347
 348                         if (count > 1){
 349                                 Console.WriteLine ("Found " + count + " types that match:");
 350                                 Console.WriteLine (matches);
 351                                 return;
 352                         }
 353                 }
 354
 355                 t = GetType (tname);
 356
 357                 if (t == null) {
 358                         // Try some very common ones, dont load anything
 359                         foreach (string ns in v_common_ns) {
 360                                 t = GetType (ns + "." + tname, true);
 361                                 if (t != null)
 362                                         goto found;
 363                         }
 364                 }
 365
 366                 if (t == null) {
 367                         foreach (string assm in GetKnownAssemblyNames ()) {
 368                                 try {
 369                                         Assembly a = GetAssembly (assm, false);
 370                                         if (a == null)
 371                                                 continue;
 372                                         t = a.GetType (tname, false, true);
 373                                         if (t != null) {
 374                                                 message = String.Format ("{0} is included in the {1} assembly.",
 375                                                                 t.FullName,
 376                                                                 t.Assembly.GetName ().Name);
 377                                                 goto found;
 378                                         }
 379                                         foreach (string ns in common_ns) {
 380                                                 t = a.GetType (ns + "." + tname, false, true);
 381                                                 if (t != null) {
 382                                                         message = String.Format ("{0} is included in the {1} assembly.",
 383                                                                         t.FullName,
 384                                                                         t.Assembly.GetName ().Name);
 385                                                         goto found;
 386                                                 }
 387                                         }
 388                                 } catch (Exception e){
 389                                         Console.WriteLine ("Failure: " + e);
 390                                 }
 391                         }
 392                 }
 393
 394         notfound:
 395                 if (t == null) {
 396                         Console.WriteLine ("Could not find {0}", tname);
 397                         return;
 398                 }
 399         found:
 400                 //
 401                 // This gets us nice buffering
 402                 //
 403                 StreamWriter sw = new StreamWriter (Console.OpenStandardOutput (), Console.Out.Encoding);
 404                 new Outline (universe, mscorlib, t, sw, options.DeclaredOnly, options.ShowPrivate, options.FilterObsolete).OutlineType ();
 405                 sw.Flush ();
 406
 407                 if (message != null)
 408                         Console.WriteLine (message);
 409         }
 410 }
 411