mcs/ilasm/Driver.cs

   1 //
   2 // Mono.ILASM.Driver
   3 //    Main Command line interface for Mono ILasm Compiler
   4 //
   5 // Author(s):
   6 //  Jackson Harper (Jackson@LatitudeGeo.com)
   7 //
   8 // (C) 2003 Jackson Harper, All rights reserved
   9 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
  10 //
  11
  12 using System;
  13 using System.IO;
  14 using System.Reflection;
  15 using System.Collections;
  16 using System.Security.Cryptography;
  17 using Mono.Security;
  18
  19 namespace Mono.ILASM {
  20
  21         public class Driver {
  22
  23                 enum Target {
  24                         Dll,
  25                         Exe
  26                 }
  27
  28                 public static int Main (string[] args)
  29                 {
  30                         // Do everything in Invariant
  31                         System.Threading.Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
  32
  33                         DriverMain driver = new DriverMain (args);
  34                         if (!driver.Run ())
  35                                 return 1;
  36                         Report.Message ("Operation completed successfully");
  37                         return 0;
  38                 }
  39
  40                 private class DriverMain {
  41
  42                         private ArrayList il_file_list;
  43                         private string output_file;
  44                         private Target target = Target.Exe;
  45                         private string target_string = "exe";
  46                         private bool show_tokens = false;
  47 //                        private bool show_method_def = false;
  48 //                        private bool show_method_ref = false;
  49                         private bool show_parser = false;
  50                         private bool scan_only = false;
  51                         private bool debugging_info = false;
  52                         private CodeGen codegen;
  53                         private bool keycontainer = false;
  54                         private string keyname;
  55                         private StrongName sn;
  56
  57                         public DriverMain (string[] args)
  58                         {
  59                                 il_file_list = new ArrayList ();
  60                                 ParseArgs (args);
  61                         }
  62
  63                         public bool Run ()
  64                         {
  65                                 if (il_file_list.Count == 0)
  66                                         Usage ();
  67                                 if (output_file == null)
  68                                         output_file = CreateOutputFilename ();
  69                                 try {
  70                                         codegen = new CodeGen (output_file, target == Target.Dll, debugging_info);
  71                                         foreach (string file_path in il_file_list) {
  72                                                 Report.FilePath = file_path;
  73                                                 ProcessFile (file_path);
  74                                         }
  75                                         if (scan_only)
  76                                                 return true;
  77
  78                                         if (Report.ErrorCount > 0)
  79                                                 return false;
  80
  81                                         if (target != Target.Dll && !codegen.HasEntryPoint)
  82                                                 Report.Error ("No entry point found.");
  83
  84                                         // if we have a key and aren't assembling a netmodule
  85                                         if ((keyname != null) && !codegen.IsThisAssembly (null)) {
  86                                                 LoadKey ();
  87                                                 // this overrides any attribute or .publickey directive in the source
  88                                                 codegen.ThisAssembly.SetPublicKey (sn.PublicKey);
  89                                         }
  90
  91                                         try {
  92                                                 codegen.Write ();
  93                                         } catch {
  94                                                 File.Delete (output_file);
  95                                                 throw;
  96                                         }
  97                                 } catch (ILAsmException e) {
  98                                         Error (e.ToString ());
  99                                         return false;
 100                                 } catch (PEAPI.PEFileException pe) {
 101                                         Error ("Error : " + pe.Message);
 102                                         return false;
 103                                 }
 104
 105                                 try {
 106                                         if (sn != null) {
 107                                                 Report.Message ("Signing assembly with the specified strongname keypair");
 108                                                 return Sign (output_file);
 109                                         }
 110                                 } catch {
 111                                         return false;
 112                                 }
 113
 114                                 return true;
 115                         }
 116
 117                         private void Error (string message)
 118                         {
 119                                 Console.WriteLine (message + "\n");
 120                                 Console.WriteLine ("***** FAILURE *****\n");
 121                         }
 122
 123                         private void LoadKey ()
 124                         {
 125                                 if (keycontainer) {
 126                                         CspParameters csp = new CspParameters ();
 127                                         csp.KeyContainerName = keyname;
 128                                         RSACryptoServiceProvider rsa = new RSACryptoServiceProvider (csp);
 129                                         sn = new StrongName (rsa);
 130                                 } else {
 131                                         byte[] data = null;
 132                                         using (FileStream fs = File.OpenRead (keyname)) {
 133                                                 data = new byte [fs.Length];
 134                                                 fs.Read (data, 0, data.Length);
 135                                                 fs.Close ();
 136                                         }
 137                                         sn = new StrongName (data);
 138                                 }
 139                         }
 140
 141                         private bool Sign (string filename)
 142                         {
 143                                 // note: if the file cannot be signed (no public key in it) then
 144                                 // we do not show an error, or a warning, if the key file doesn't
 145                                 // exists
 146                                 return sn.Sign (filename);
 147                         }
 148
 149                         private void ProcessFile (string file_path)
 150                         {
 151                                 if (!File.Exists (file_path)) {
 152                                         Console.WriteLine ("File does not exist: {0}",
 153                                                 file_path);
 154                                         Environment.Exit (2);
 155                                 }
 156                                 Report.AssembleFile (file_path, null,
 157                                                 target_string, output_file);
 158                                 StreamReader reader = File.OpenText (file_path);
 159                                 ILTokenizer scanner = new ILTokenizer (reader);
 160
 161                                 if (show_tokens)
 162                                         scanner.NewTokenEvent += new NewTokenEvent (ShowToken);
 163                                 //if (show_method_def)
 164                                 //        MethodTable.MethodDefinedEvent += new MethodDefinedEvent (ShowMethodDef);
 165                                 //if (show_method_ref)
 166                                 //       MethodTable.MethodReferencedEvent += new MethodReferencedEvent (ShowMethodRef);
 167
 168                                 if (scan_only) {
 169                                         ILToken tok;
 170                                         while ((tok = scanner.NextToken) != ILToken.EOF) {
 171                                                 Console.WriteLine (tok);
 172                                         }
 173                                         return;
 174                                 }
 175
 176                                 ILParser parser = new ILParser (codegen, scanner);
 177                                 codegen.BeginSourceFile (file_path);
 178                                 try {
 179                                         if (show_parser)
 180                                                 parser.yyparse (new ScannerAdapter (scanner),
 181                                                                 new yydebug.yyDebugSimple ());
 182                                         else
 183                                                 parser.yyparse (new ScannerAdapter (scanner),  null);
 184                                 } catch (ILTokenizingException ilte) {
 185                                         Report.Error (ilte.Location, "syntax error at token '" + ilte.Token + "'");
 186                                 } catch (Mono.ILASM.yyParser.yyException ye) {
 187                                         Report.Error (scanner.Reader.Location, ye.Message);
 188                                 } catch (ILAsmException ie) {
 189                                         ie.FilePath = file_path;
 190                                         ie.Location = scanner.Reader.Location;
 191                                         throw;
 192                                 } catch (Exception){
 193                                         Console.Write ("{0} ({1}, {2}): ",file_path, scanner.Reader.Location.line, scanner.Reader.Location.column);
 194                                         throw;
 195                                 } finally {
 196                                         codegen.EndSourceFile ();
 197                                 }
 198                         }
 199
 200                         public void ShowToken (object sender, NewTokenEventArgs args)
 201                         {
 202                                 Console.WriteLine ("token: '{0}'", args.Token);
 203                         }
 204                         /*
 205                         public void ShowMethodDef (object sender, MethodDefinedEventArgs args)
 206                         {
 207                                 Console.WriteLine ("***** Method defined *****");
 208                                 Console.WriteLine ("-- signature:   {0}", args.Signature);
 209                                 Console.WriteLine ("-- name:        {0}", args.Name);
 210                                 Console.WriteLine ("-- return type: {0}", args.ReturnType);
 211                                 Console.WriteLine ("-- is in table: {0}", args.IsInTable);
 212                                 Console.WriteLine ("-- method atts: {0}", args.MethodAttributes);
 213                                 Console.WriteLine ("-- impl atts:   {0}", args.ImplAttributes);
 214                                 Console.WriteLine ("-- call conv:   {0}", args.CallConv);
 215                         }
 216
 217                         public void ShowMethodRef (object sender, MethodReferencedEventArgs args)
 218                         {
 219                                 Console.WriteLine ("***** Method referenced *****");
 220                                 Console.WriteLine ("-- signature:   {0}", args.Signature);
 221                                 Console.WriteLine ("-- name:        {0}", args.Name);
 222                                 Console.WriteLine ("-- return type: {0}", args.ReturnType);
 223                                 Console.WriteLine ("-- is in table: {0}", args.IsInTable);
 224                         }
 225                         */
 226                         private void ParseArgs (string[] args)
 227                         {
 228                                 string command_arg;
 229                                 foreach (string str in args) {
 230                                         if ((str[0] != '-') && (str[0] != '/')) {
 231                                                 il_file_list.Add (str);
 232                                                 continue;
 233                                         }
 234                                         switch (GetCommand (str, out command_arg)) {
 235                                         case "out":
 236                                         case "output":
 237                                                 output_file = command_arg;
 238                                                 break;
 239                                         case "exe":
 240                                                 target = Target.Exe;
 241                                                 target_string = "exe";
 242                                                 break;
 243                                         case "dll":
 244                                                 target = Target.Dll;
 245                                                 target_string = "dll";
 246                                                 break;
 247                                         case "quiet":
 248                                                 Report.Quiet = true;
 249                                                 break;
 250                                         case "debug":
 251                                         case "deb":
 252                                                 debugging_info = true;
 253                                                 break;
 254                                         // Stubs to stay commandline compatible with MS
 255                                         case "listing":
 256                                         case "nologo":
 257                                         case "clock":
 258                                         case "error":
 259                                         case "subsystem":
 260                                         case "flags":
 261                                         case "alignment":
 262                                         case "base":
 263                                         case "resource":
 264                                                 break;
 265                                         case "key":
 266                                                 if (command_arg.Length > 0)
 267                                                         keycontainer = (command_arg [0] == '@');
 268                                                 if (keycontainer)
 269                                                         keyname = command_arg.Substring (1);
 270                                                 else
 271                                                         keyname = command_arg;
 272                                                 break;
 273                                         case "scan_only":
 274                                                 scan_only = true;
 275                                                 break;
 276                                         case "show_tokens":
 277                                                 show_tokens = true;
 278                                                 break;
 279                                         case "show_method_def":
 280 //                                                show_method_def = true;
 281                                                 break;
 282                                         case "show_method_ref":
 283 //                                                show_method_ref = true;
 284                                                 break;
 285                                         case "show_parser":
 286                                                 show_parser = true;
 287                                                 break;
 288                                         case "-about":
 289                                                 if (str[0] != '-')
 290                                                         break;
 291                                                 About ();
 292                                                 break;
 293                                         case "-version":
 294                                                 if (str[0] != '-')
 295                                                         break;
 296                                                 Version ();
 297                                                 break;
 298                                         default:
 299                                                 if (str [0] == '-')
 300                                                         break;
 301                                                 il_file_list.Add (str);
 302                                                 break;
 303                                         }
 304                                 }
 305                         }
 306
 307                         private string GetCommand (string str, out string command_arg)
 308                         {
 309                                 int end_index = str.IndexOfAny (new char[] {':', '='}, 1);
 310                                 string command = str.Substring (1,
 311                                         end_index == -1 ? str.Length - 1 : end_index - 1);
 312
 313                                 if (end_index != -1) {
 314                                         command_arg = str.Substring (end_index+1);
 315                                 } else {
 316                                         command_arg = null;
 317                                 }
 318
 319                                 return command.ToLower ();
 320                         }
 321
 322                         /// <summary>
 323                         ///   Get the first file name and makes it into an output file name
 324                         /// </summary>
 325                         private string CreateOutputFilename ()
 326                         {
 327                                 string file_name = (string)il_file_list[0];
 328                                 int ext_index = file_name.LastIndexOf ('.');
 329
 330                                 if (ext_index == -1)
 331                                         ext_index = file_name.Length;
 332
 333                                 return String.Format ("{0}.{1}", file_name.Substring (0, ext_index),
 334                                         target_string);
 335                         }
 336
 337                         private void Usage ()
 338                         {
 339                                 Console.WriteLine ("Mono ILasm compiler\n" +
 340                                         "ilasm [options] source-files\n" +
 341                                         "   --about            About the Mono ILasm compiler\n" +
 342                                         "   --version          Print the version number of the Mono ILasm compiler\n" +
 343                                         "   /output:file_name  Specifies output file.\n" +
 344                                         "   /exe               Compile to executable.\n" +
 345                                         "   /dll               Compile to library.\n" +
 346                                         "   /debug             Include debug information.\n" +
 347                                         "   /key:keyfile       Strongname using the specified key file\n" +
 348                                         "   /key:@container    Strongname using the specified key container\n" +
 349                                         "Options can be of the form -option or /option\n");
 350                                 Environment.Exit (1);
 351                         }
 352
 353                         private void About ()
 354                         {
 355                                 Console.WriteLine (
 356                                         "For more information on Mono, visit the project Web site\n" +
 357                                         "   http://www.go-mono.com\n\n");
 358                                 Environment.Exit (0);
 359                         }
 360
 361                         private void Version ()
 362                         {
 363                                 string version = System.Reflection.Assembly.GetExecutingAssembly ().GetName ().Version.ToString ();
 364                                 Console.WriteLine ("Mono ILasm compiler version {0}", version);
 365                                 Environment.Exit (0);
 366                         }
 367
 368                 }
 369         }
 370 }
 371