mcs/class/System/Microsoft.CSharp/CSharpCodeCompiler.cs

   1 //
   2 // Mono.CSharp CSharpCodeCompiler Class implementation
   3 //
   4 // Authors:
   5 //      Sean Kasun (seank@users.sf.net)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8 // Copyright (c) Novell, Inc. (http://www.novell.com)
   9 //
  10
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 namespace Mono.CSharp
  33 {
  34         using System;
  35         using System.CodeDom;
  36         using System.CodeDom.Compiler;
  37         using System.ComponentModel;
  38         using System.IO;
  39         using System.Text;
  40         using System.Reflection;
  41         using System.Collections;
  42         using System.Collections.Specialized;
  43         using System.Diagnostics;
  44         using System.Text.RegularExpressions;
  45         using System.Threading;
  46         using System.Collections.Generic;
  47
  48         internal class CSharpCodeCompiler : CSharpCodeGenerator, ICodeCompiler
  49         {
  50                 static string windowsMcsPath;
  51                 static string windowsMonoPath;
  52
  53                 Mutex mcsOutMutex;
  54                 StringCollection mcsOutput;
  55
  56                 static CSharpCodeCompiler ()
  57                 {
  58                         if (Path.DirectorySeparatorChar == '\\') {
  59                                 PropertyInfo gac = typeof (Environment).GetProperty ("GacPath", BindingFlags.Static|BindingFlags.NonPublic);
  60                                 MethodInfo get_gac = gac.GetGetMethod (true);
  61                                 string p = Path.GetDirectoryName (
  62                                         (string) get_gac.Invoke (null, null));
  63                                 windowsMonoPath = Path.Combine (
  64                                         Path.GetDirectoryName (
  65                                                 Path.GetDirectoryName (p)),
  66                                         "bin\\mono.bat");
  67                                 if (!File.Exists (windowsMonoPath))
  68                                         windowsMonoPath = Path.Combine (
  69                                                 Path.GetDirectoryName (
  70                                                         Path.GetDirectoryName (p)),
  71                                                 "bin\\mono.exe");
  72                                 if (!File.Exists (windowsMonoPath))
  73                                         windowsMonoPath = Path.Combine (
  74                                                 Path.GetDirectoryName (
  75                                                         Path.GetDirectoryName (
  76                                                                 Path.GetDirectoryName (p))),
  77                                                 "mono\\mono\\mini\\mono.exe");
  78                                 if (!File.Exists (windowsMonoPath))
  79                                         throw new FileNotFoundException ("Windows mono path not found: " + windowsMonoPath);
  80
  81                                 windowsMcsPath = Path.Combine (p, "4.0\\mcs.exe");
  82                                 if (!File.Exists (windowsMcsPath))
  83                                         windowsMcsPath = Path.Combine(Path.GetDirectoryName (p), "lib\\build\\mcs.exe");
  84
  85                                 if (!File.Exists (windowsMcsPath))
  86                                         throw new FileNotFoundException ("Windows mcs path not found: " + windowsMcsPath);
  87                         }
  88                 }
  89
  90                 //
  91                 // Constructors
  92                 //
  93                 public CSharpCodeCompiler()
  94                 {
  95                 }
  96
  97                 public CSharpCodeCompiler (IDictionary <string, string> providerOptions) :
  98                         base (providerOptions)
  99                 {
 100                 }
 101
 102                 //
 103                 // Methods
 104                 //
 105                 public CompilerResults CompileAssemblyFromDom (CompilerParameters options, CodeCompileUnit e)
 106                 {
 107                         return CompileAssemblyFromDomBatch (options, new CodeCompileUnit[] { e });
 108                 }
 109
 110                 public CompilerResults CompileAssemblyFromDomBatch (CompilerParameters options, CodeCompileUnit[] ea)
 111                 {
 112                         if (options == null) {
 113                                 throw new ArgumentNullException ("options");
 114                         }
 115
 116                         try {
 117                                 return CompileFromDomBatch (options, ea);
 118                         } finally {
 119                                 options.TempFiles.Delete ();
 120                         }
 121                 }
 122
 123                 public CompilerResults CompileAssemblyFromFile (CompilerParameters options, string fileName)
 124                 {
 125                         return CompileAssemblyFromFileBatch (options, new string[] { fileName });
 126                 }
 127
 128                 public CompilerResults CompileAssemblyFromFileBatch (CompilerParameters options, string[] fileNames)
 129                 {
 130                         if (options == null) {
 131                                 throw new ArgumentNullException ("options");
 132                         }
 133
 134                         try {
 135                                 return CompileFromFileBatch (options, fileNames);
 136                         } finally {
 137                                 options.TempFiles.Delete ();
 138                         }
 139                 }
 140
 141                 public CompilerResults CompileAssemblyFromSource (CompilerParameters options, string source)
 142                 {
 143                         return CompileAssemblyFromSourceBatch (options, new string[] { source });
 144                 }
 145
 146                 public CompilerResults CompileAssemblyFromSourceBatch (CompilerParameters options, string[] sources)
 147                 {
 148                         if (options == null) {
 149                                 throw new ArgumentNullException ("options");
 150                         }
 151
 152                         try {
 153                                 return CompileFromSourceBatch (options, sources);
 154                         } finally {
 155                                 options.TempFiles.Delete ();
 156                         }
 157                 }
 158
 159                 private CompilerResults CompileFromFileBatch (CompilerParameters options, string[] fileNames)
 160                 {
 161                         if (null == options)
 162                                 throw new ArgumentNullException("options");
 163                         if (null == fileNames)
 164                                 throw new ArgumentNullException("fileNames");
 165
 166                         CompilerResults results=new CompilerResults(options.TempFiles);
 167                         Process mcs=new Process();
 168
 169                         // FIXME: these lines had better be platform independent.
 170                         if (Path.DirectorySeparatorChar == '\\') {
 171                                 mcs.StartInfo.FileName = windowsMonoPath;
 172                                 mcs.StartInfo.Arguments = "\"" + windowsMcsPath + "\" " +
 173                                         BuildArgs (options, fileNames, ProviderOptions);
 174                         } else {
 175                                 mcs.StartInfo.FileName="mcs";
 176                                 mcs.StartInfo.Arguments=BuildArgs(options, fileNames, ProviderOptions);
 177                         }
 178
 179                         mcsOutput = new StringCollection ();
 180                         mcsOutMutex = new Mutex ();
 181 #if !NET_4_0
 182                         /*
 183                          * !:. KLUDGE WARNING .:!
 184                          *
 185                          * When running the 2.0 test suite some assemblies will invoke mcs via
 186                          * CodeDOM and the new mcs process will find the MONO_PATH variable in its
 187                          * environment pointing to the net_2_0 library which will cause the runtime
 188                          * to attempt to load the 2.0 corlib into 4.0 process and thus mcs will
 189                          * fail. At the same time, we must not touch MONO_PATH when running outside
 190                          * the test suite, thus the kludge.
 191                          *
 192                          * !:. KLUDGE WARNING .:!
 193                          */
 194                         if (Environment.GetEnvironmentVariable ("MONO_TESTS_IN_PROGRESS") != null) {
 195                                 string monoPath = Environment.GetEnvironmentVariable ("MONO_PATH");
 196                                 if (!String.IsNullOrEmpty (monoPath)) {
 197                                         monoPath = monoPath.Replace ("/class/lib/net_2_0", "/class/lib/net_4_0");
 198                                         mcs.StartInfo.EnvironmentVariables ["MONO_PATH"] = monoPath;
 199                                 }
 200                         }
 201 #endif
 202 /*
 203                         string monoPath = Environment.GetEnvironmentVariable ("MONO_PATH");
 204                         if (monoPath != null)
 205                                 monoPath = String.Empty;
 206
 207                         string privateBinPath = AppDomain.CurrentDomain.SetupInformation.PrivateBinPath;
 208                         if (privateBinPath != null && privateBinPath.Length > 0)
 209                                 monoPath = String.Format ("{0}:{1}", privateBinPath, monoPath);
 210
 211                         if (monoPath.Length > 0) {
 212                                 StringDictionary dict = mcs.StartInfo.EnvironmentVariables;
 213                                 if (dict.ContainsKey ("MONO_PATH"))
 214                                         dict ["MONO_PATH"] = monoPath;
 215                                 else
 216                                         dict.Add ("MONO_PATH", monoPath);
 217                         }
 218 */
 219                         mcs.StartInfo.CreateNoWindow=true;
 220                         mcs.StartInfo.UseShellExecute=false;
 221                         mcs.StartInfo.RedirectStandardOutput=true;
 222                         mcs.StartInfo.RedirectStandardError=true;
 223                         mcs.ErrorDataReceived += new DataReceivedEventHandler (McsStderrDataReceived);
 224
 225                         try {
 226                                 mcs.Start();
 227                         } catch (Exception e) {
 228                                 Win32Exception exc = e as Win32Exception;
 229                                 if (exc != null) {
 230                                         throw new SystemException (String.Format ("Error running {0}: {1}", mcs.StartInfo.FileName,
 231                                                                         Win32Exception.W32ErrorMessage (exc.NativeErrorCode)));
 232                                 }
 233                                 throw;
 234                         }
 235
 236                         try {
 237                                 mcs.BeginOutputReadLine ();
 238                                 mcs.BeginErrorReadLine ();
 239                                 mcs.WaitForExit();
 240
 241                                 results.NativeCompilerReturnValue = mcs.ExitCode;
 242                         } finally {
 243                                 mcs.CancelErrorRead ();
 244                                 mcs.CancelOutputRead ();
 245                                 mcs.Close();
 246                         }
 247
 248                         StringCollection sc = mcsOutput;
 249
 250                         bool loadIt=true;
 251                         foreach (string error_line in mcsOutput) {
 252                                 CompilerError error = CreateErrorFromString (error_line);
 253                                 if (error != null) {
 254                                         results.Errors.Add (error);
 255                                         if (!error.IsWarning)
 256                                                 loadIt = false;
 257                                 }
 258                         }
 259
 260                         if (sc.Count > 0) {
 261                                 sc.Insert (0, mcs.StartInfo.FileName + " " + mcs.StartInfo.Arguments + Environment.NewLine);
 262                                 results.Output = sc;
 263                         }
 264
 265                         if (loadIt) {
 266                                 if (!File.Exists (options.OutputAssembly)) {
 267                                         StringBuilder sb = new StringBuilder ();
 268                                         foreach (string s in sc)
 269                                                 sb.Append (s + Environment.NewLine);
 270
 271                                         throw new Exception ("Compiler failed to produce the assembly. Output: '" + sb.ToString () + "'");
 272                                 }
 273
 274                                 if (options.GenerateInMemory) {
 275                                         using (FileStream fs = File.OpenRead(options.OutputAssembly)) {
 276                                                 byte[] buffer = new byte[fs.Length];
 277                                                 fs.Read(buffer, 0, buffer.Length);
 278                                                 results.CompiledAssembly = Assembly.Load(buffer, null, options.Evidence);
 279                                                 fs.Close();
 280                                         }
 281                                 } else {
 282                                         // Avoid setting CompiledAssembly right now since the output might be a netmodule
 283                                         results.PathToAssembly = options.OutputAssembly;
 284                                 }
 285                         } else {
 286                                 results.CompiledAssembly = null;
 287                         }
 288
 289                         return results;
 290                 }
 291
 292                 void McsStderrDataReceived (object sender, DataReceivedEventArgs args)
 293                 {
 294                         if (args.Data != null) {
 295                                 mcsOutMutex.WaitOne ();
 296                                 mcsOutput.Add (args.Data);
 297                                 mcsOutMutex.ReleaseMutex ();
 298                         }
 299                 }
 300
 301                 private static string BuildArgs(CompilerParameters options,string[] fileNames, IDictionary <string, string> providerOptions)
 302                 {
 303                         StringBuilder args=new StringBuilder();
 304                         if (options.GenerateExecutable)
 305                                 args.Append("/target:exe ");
 306                         else
 307                                 args.Append("/target:library ");
 308
 309                         string privateBinPath = AppDomain.CurrentDomain.SetupInformation.PrivateBinPath;
 310                         if (privateBinPath != null && privateBinPath.Length > 0)
 311                                 args.AppendFormat ("/lib:\"{0}\" ", privateBinPath);
 312
 313                         if (options.Win32Resource != null)
 314                                 args.AppendFormat("/win32res:\"{0}\" ",
 315                                         options.Win32Resource);
 316
 317                         if (options.IncludeDebugInformation)
 318                                 args.Append("/debug+ /optimize- ");
 319                         else
 320                                 args.Append("/debug- /optimize+ ");
 321
 322                         if (options.TreatWarningsAsErrors)
 323                                 args.Append("/warnaserror ");
 324
 325                         if (options.WarningLevel >= 0)
 326                                 args.AppendFormat ("/warn:{0} ", options.WarningLevel);
 327
 328                         if (options.OutputAssembly == null || options.OutputAssembly.Length == 0) {
 329                                 string extension = (options.GenerateExecutable ? "exe" : "dll");
 330                                 options.OutputAssembly = GetTempFileNameWithExtension (options.TempFiles, extension,
 331                                         !options.GenerateInMemory);
 332                         }
 333                         args.AppendFormat("/out:\"{0}\" ",options.OutputAssembly);
 334
 335                         foreach (string import in options.ReferencedAssemblies) {
 336                                 if (import == null || import.Length == 0)
 337                                         continue;
 338
 339                                 args.AppendFormat("/r:\"{0}\" ",import);
 340                         }
 341
 342                         if (options.CompilerOptions != null) {
 343                                 args.Append (options.CompilerOptions);
 344                                 args.Append (" ");
 345                         }
 346
 347                         foreach (string embeddedResource in options.EmbeddedResources) {
 348                                 args.AppendFormat("/resource:\"{0}\" ", embeddedResource);
 349                         }
 350
 351                         foreach (string linkedResource in options.LinkedResources) {
 352                                 args.AppendFormat("/linkresource:\"{0}\" ", linkedResource);
 353                         }
 354
 355                         if (providerOptions != null && providerOptions.Count > 0) {
 356                                 string langver;
 357
 358                                 if (!providerOptions.TryGetValue ("CompilerVersion", out langver))
 359 #if NET_4_0
 360                                         langver = "3.5";
 361 #else
 362                                         langver = "2.0";
 363 #endif
 364
 365                                 if (langver.Length >= 1 && langver [0] == 'v')
 366                                         langver = langver.Substring (1);
 367
 368                                 switch (langver) {
 369                                         case "2.0":
 370                                                 args.Append ("/langversion:ISO-2 ");
 371                                                 break;
 372
 373                                         case "3.5":
 374                                                 // current default, omit the switch
 375                                                 break;
 376                                 }
 377                         }
 378
 379 #if NET_4_0
 380                         args.Append("/sdk:4");
 381 #else
 382                         args.Append("/sdk:2");
 383 #endif
 384
 385                         args.Append (" -- ");
 386                         foreach (string source in fileNames)
 387                                 args.AppendFormat("\"{0}\" ",source);
 388                         return args.ToString();
 389                 }
 390                 private static CompilerError CreateErrorFromString(string error_string)
 391                 {
 392                         if (error_string.StartsWith ("BETA"))
 393                                 return null;
 394
 395                         if (error_string == null || error_string == "")
 396                                 return null;
 397
 398                         CompilerError error=new CompilerError();
 399                         Regex reg = new Regex (@"^(\s*(?<file>.*)\((?<line>\d*)(,(?<column>\d*))?\)(:)?\s+)*(?<level>\w+)\s*(?<number>.*):\s(?<message>.*)",
 400                                 RegexOptions.Compiled | RegexOptions.ExplicitCapture);
 401                         Match match=reg.Match(error_string);
 402                         if (!match.Success) {
 403                                 // We had some sort of runtime crash
 404                                 error.ErrorText = error_string;
 405                                 error.IsWarning = false;
 406                                 error.ErrorNumber = "";
 407                                 return error;
 408                         }
 409                         if (String.Empty != match.Result("${file}"))
 410                                 error.FileName=match.Result("${file}");
 411                         if (String.Empty != match.Result("${line}"))
 412                                 error.Line=Int32.Parse(match.Result("${line}"));
 413                         if (String.Empty != match.Result("${column}"))
 414                                 error.Column=Int32.Parse(match.Result("${column}"));
 415
 416                         string level = match.Result ("${level}");
 417                         if (level == "warning")
 418                                 error.IsWarning = true;
 419                         else if (level != "error")
 420                                 return null; // error CS8028 will confuse the regex.
 421
 422                         error.ErrorNumber=match.Result("${number}");
 423                         error.ErrorText=match.Result("${message}");
 424                         return error;
 425                 }
 426
 427                 private static string GetTempFileNameWithExtension (TempFileCollection temp_files, string extension, bool keepFile)
 428                 {
 429                         return temp_files.AddExtension (extension, keepFile);
 430                 }
 431
 432                 private static string GetTempFileNameWithExtension (TempFileCollection temp_files, string extension)
 433                 {
 434                         return temp_files.AddExtension (extension);
 435                 }
 436
 437                 private CompilerResults CompileFromDomBatch (CompilerParameters options, CodeCompileUnit[] ea)
 438                 {
 439                         if (options == null) {
 440                                 throw new ArgumentNullException ("options");
 441                         }
 442
 443                         if (ea == null) {
 444                                 throw new ArgumentNullException ("ea");
 445                         }
 446
 447                         string[] fileNames = new string[ea.Length];
 448                         StringCollection assemblies = options.ReferencedAssemblies;
 449
 450                         for (int i = 0; i < ea.Length; i++) {
 451                                 CodeCompileUnit compileUnit = ea[i];
 452                                 fileNames[i] = GetTempFileNameWithExtension (options.TempFiles, i + ".cs");
 453                                 FileStream f = new FileStream (fileNames[i], FileMode.OpenOrCreate);
 454                                 StreamWriter s = new StreamWriter (f, Encoding.UTF8);
 455                                 if (compileUnit.ReferencedAssemblies != null) {
 456                                         foreach (string str in compileUnit.ReferencedAssemblies) {
 457                                                 if (!assemblies.Contains (str))
 458                                                         assemblies.Add (str);
 459                                         }
 460                                 }
 461
 462                                 ((ICodeGenerator) this).GenerateCodeFromCompileUnit (compileUnit, s, new CodeGeneratorOptions ());
 463                                 s.Close ();
 464                                 f.Close ();
 465                         }
 466                         return CompileAssemblyFromFileBatch (options, fileNames);
 467                 }
 468
 469                 private CompilerResults CompileFromSourceBatch (CompilerParameters options, string[] sources)
 470                 {
 471                         if (options == null) {
 472                                 throw new ArgumentNullException ("options");
 473                         }
 474
 475                         if (sources == null) {
 476                                 throw new ArgumentNullException ("sources");
 477                         }
 478
 479                         string[] fileNames = new string[sources.Length];
 480
 481                         for (int i = 0; i < sources.Length; i++) {
 482                                 fileNames[i] = GetTempFileNameWithExtension (options.TempFiles, i + ".cs");
 483                                 FileStream f = new FileStream (fileNames[i], FileMode.OpenOrCreate);
 484                                 using (StreamWriter s = new StreamWriter (f, Encoding.UTF8)) {
 485                                         s.Write (sources[i]);
 486                                         s.Close ();
 487                                 }
 488                                 f.Close ();
 489                         }
 490                         return CompileFromFileBatch (options, fileNames);
 491                 }
 492         }
 493 }