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.IO;
  38         using System.Text;
  39         using System.Reflection;
  40         using System.Collections;
  41         using System.Collections.Specialized;
  42         using System.Diagnostics;
  43         using System.Text.RegularExpressions;
  44
  45 #if NET_2_0
  46         using System.Collections.Generic;
  47 #endif
  48
  49         internal class CSharpCodeCompiler : CSharpCodeGenerator, ICodeCompiler
  50         {
  51                 static string windowsMcsPath;
  52                 static string windowsMonoPath;
  53
  54                 static CSharpCodeCompiler ()
  55                 {
  56                         if (Path.DirectorySeparatorChar == '\\') {
  57                                 PropertyInfo gac = typeof (Environment).GetProperty ("GacPath", BindingFlags.Static|BindingFlags.NonPublic);
  58                                 MethodInfo get_gac = gac.GetGetMethod (true);
  59                                 string p = Path.GetDirectoryName (
  60                                         (string) get_gac.Invoke (null, null));
  61                                 windowsMonoPath = Path.Combine (
  62                                         Path.GetDirectoryName (
  63                                                 Path.GetDirectoryName (p)),
  64                                         "bin\\mono.bat");
  65                                 if (!File.Exists (windowsMonoPath))
  66                                         windowsMonoPath = Path.Combine (
  67                                                 Path.GetDirectoryName (
  68                                                         Path.GetDirectoryName (p)),
  69                                                 "bin\\mono.exe");
  70                                 if (!File.Exists (windowsMonoPath))
  71                                         windowsMonoPath = Path.Combine (
  72                                                 Path.GetDirectoryName (
  73                                                         Path.GetDirectoryName (
  74                                                                 Path.GetDirectoryName (p))),
  75                                                 "mono\\mono\\mini\\mono.exe");
  76                                 if (!File.Exists (windowsMonoPath))
  77                                         throw new FileNotFoundException ("Windows mono path not found: " + windowsMonoPath);
  78 #if NET_2_0
  79                                 windowsMcsPath =
  80                                         Path.Combine (p, "2.0\\gmcs.exe");
  81 #else
  82                                 windowsMcsPath =
  83                                         Path.Combine (p, "1.0\\mcs.exe");
  84 #endif
  85                                 if (!File.Exists (windowsMcsPath))
  86 #if NET_2_0
  87                                         windowsMcsPath =
  88                                                 Path.Combine(
  89                                                         Path.GetDirectoryName (p),
  90                                                         "lib\\net_2_0\\gmcs.exe");
  91 #else
  92                                         windowsMcsPath =
  93                                                 Path.Combine(
  94                                                         Path.GetDirectoryName (p),
  95                                                         "lib\\default\\mcs.exe");
  96 #endif
  97                                 if (!File.Exists (windowsMcsPath))
  98                                         throw new FileNotFoundException ("Windows mcs path not found: " + windowsMcsPath);
  99                         }
 100                 }
 101
 102                 //
 103                 // Constructors
 104                 //
 105                 public CSharpCodeCompiler()
 106                 {
 107                 }
 108
 109 #if NET_2_0
 110                 public CSharpCodeCompiler (Dictionary <string, string> providerOptions) :
 111                         base (providerOptions)
 112                 {
 113                 }
 114 #endif
 115
 116                 //
 117                 // Methods
 118                 //
 119                 public CompilerResults CompileAssemblyFromDom (CompilerParameters options, CodeCompileUnit e)
 120                 {
 121                         return CompileAssemblyFromDomBatch (options, new CodeCompileUnit[] { e });
 122                 }
 123
 124                 public CompilerResults CompileAssemblyFromDomBatch (CompilerParameters options, CodeCompileUnit[] ea)
 125                 {
 126                         if (options == null) {
 127                                 throw new ArgumentNullException ("options");
 128                         }
 129
 130                         try {
 131                                 return CompileFromDomBatch (options, ea);
 132                         } finally {
 133                                 options.TempFiles.Delete ();
 134                         }
 135                 }
 136
 137                 public CompilerResults CompileAssemblyFromFile (CompilerParameters options, string fileName)
 138                 {
 139                         return CompileAssemblyFromFileBatch (options, new string[] { fileName });
 140                 }
 141
 142                 public CompilerResults CompileAssemblyFromFileBatch (CompilerParameters options, string[] fileNames)
 143                 {
 144                         if (options == null) {
 145                                 throw new ArgumentNullException ("options");
 146                         }
 147
 148                         try {
 149                                 return CompileFromFileBatch (options, fileNames);
 150                         } finally {
 151                                 options.TempFiles.Delete ();
 152                         }
 153                 }
 154
 155                 public CompilerResults CompileAssemblyFromSource (CompilerParameters options, string source)
 156                 {
 157                         return CompileAssemblyFromSourceBatch (options, new string[] { source });
 158                 }
 159
 160                 public CompilerResults CompileAssemblyFromSourceBatch (CompilerParameters options, string[] sources)
 161                 {
 162                         if (options == null) {
 163                                 throw new ArgumentNullException ("options");
 164                         }
 165
 166                         try {
 167                                 return CompileFromSourceBatch (options, sources);
 168                         } finally {
 169                                 options.TempFiles.Delete ();
 170                         }
 171                 }
 172
 173                 private CompilerResults CompileFromFileBatch (CompilerParameters options, string[] fileNames)
 174                 {
 175                         if (null == options)
 176                                 throw new ArgumentNullException("options");
 177                         if (null == fileNames)
 178                                 throw new ArgumentNullException("fileNames");
 179
 180                         CompilerResults results=new CompilerResults(options.TempFiles);
 181                         Process mcs=new Process();
 182
 183                         string mcs_output;
 184                         string mcs_stdout;
 185                         string[] mcs_output_lines;
 186                         // FIXME: these lines had better be platform independent.
 187                         if (Path.DirectorySeparatorChar == '\\') {
 188                                 mcs.StartInfo.FileName = windowsMonoPath;
 189                                 mcs.StartInfo.Arguments = "\"" + windowsMcsPath + "\" " +
 190 #if NET_2_0
 191                                         BuildArgs (options, fileNames, ProviderOptions);
 192 #else
 193                                         BuildArgs (options, fileNames);
 194 #endif
 195                         } else {
 196 #if NET_2_0
 197                                 // FIXME: This is a temporary hack to make code genaration work in 2.0
 198                                 mcs.StartInfo.FileName="gmcs";
 199                                 mcs.StartInfo.Arguments=BuildArgs(options, fileNames, ProviderOptions);
 200 #else
 201                                 mcs.StartInfo.FileName="mcs";
 202                                 mcs.StartInfo.Arguments=BuildArgs(options, fileNames);
 203 #endif
 204                         }
 205                         mcs.StartInfo.CreateNoWindow=true;
 206                         mcs.StartInfo.UseShellExecute=false;
 207                         mcs.StartInfo.RedirectStandardOutput=true;
 208                         mcs.StartInfo.RedirectStandardError=true;
 209                         try {
 210                                 mcs.Start();
 211                                 // If there are a few kB in stdout, we might lock
 212                                 mcs_output=mcs.StandardError.ReadToEnd();
 213                                 mcs_stdout=mcs.StandardOutput.ReadToEnd ();
 214                                 mcs.WaitForExit();
 215                                 results.NativeCompilerReturnValue = mcs.ExitCode;
 216                         } finally {
 217                                 mcs.Close();
 218                         }
 219                         mcs_output_lines=mcs_output.Split(
 220                                 System.Environment.NewLine.ToCharArray());
 221                         bool loadIt=true;
 222                         foreach (string error_line in mcs_output_lines)
 223                         {
 224                                 CompilerError error=CreateErrorFromString(error_line);
 225                                 if (null!=error)
 226                                 {
 227                                         results.Errors.Add(error);
 228                                         if (!error.IsWarning) loadIt=false;
 229                                 }
 230                         }
 231                         if (loadIt) {
 232                                 if (!File.Exists (options.OutputAssembly)) {
 233                                         throw new Exception ("Compiler failed to produce the assembly. Stderr='"
 234                                                 +mcs_output+"', Stdout='"+mcs_stdout+"'");
 235                                 }
 236                                 if (options.GenerateInMemory) {
 237                                         using (FileStream fs = File.OpenRead(options.OutputAssembly)) {
 238                                                 byte[] buffer = new byte[fs.Length];
 239                                                 fs.Read(buffer, 0, buffer.Length);
 240                                                 results.CompiledAssembly = Assembly.Load(buffer, null, options.Evidence);
 241                                                 fs.Close();
 242                                         }
 243                                 } else {
 244                                         results.CompiledAssembly = Assembly.LoadFrom(options.OutputAssembly);
 245                                         results.PathToAssembly = options.OutputAssembly;
 246                                 }
 247                         } else {
 248                                 results.CompiledAssembly = null;
 249                         }
 250
 251                         return results;
 252                 }
 253
 254 #if NET_2_0
 255                 private static string BuildArgs(CompilerParameters options,string[] fileNames, Dictionary <string, string> providerOptions)
 256 #else
 257                 private static string BuildArgs(CompilerParameters options,string[] fileNames)
 258 #endif
 259                 {
 260                         StringBuilder args=new StringBuilder();
 261                         if (options.GenerateExecutable)
 262                                 args.Append("/target:exe ");
 263                         else
 264                                 args.Append("/target:library ");
 265
 266                         if (options.Win32Resource != null)
 267                                 args.AppendFormat("/win32res:\"{0}\" ",
 268                                         options.Win32Resource);
 269
 270                         if (options.IncludeDebugInformation)
 271                                 args.Append("/debug+ /optimize- ");
 272                         else
 273                                 args.Append("/debug- /optimize+ ");
 274
 275                         if (options.TreatWarningsAsErrors)
 276                                 args.Append("/warnaserror ");
 277
 278                         if (options.WarningLevel >= 0)
 279                                 args.AppendFormat ("/warn:{0} ", options.WarningLevel);
 280
 281                         if (options.OutputAssembly == null || options.OutputAssembly.Length == 0) {
 282                                 string extension = (options.GenerateExecutable ? "exe" : "dll");
 283                                 options.OutputAssembly = GetTempFileNameWithExtension (options.TempFiles, extension,
 284                                         !options.GenerateInMemory);
 285                         }
 286                         args.AppendFormat("/out:\"{0}\" ",options.OutputAssembly);
 287
 288                         foreach (string import in options.ReferencedAssemblies) {
 289                                 if (import == null || import.Length == 0)
 290                                         continue;
 291
 292                                 args.AppendFormat("/r:\"{0}\" ",import);
 293                         }
 294
 295                         if (options.CompilerOptions != null) {
 296                                 args.Append (options.CompilerOptions);
 297                                 args.Append (" ");
 298                         }
 299
 300 #if NET_2_0
 301                         foreach (string embeddedResource in options.EmbeddedResources) {
 302                                 args.AppendFormat("/resource:\"{0}\" ", embeddedResource);
 303                         }
 304
 305                         foreach (string linkedResource in options.LinkedResources) {
 306                                 args.AppendFormat("/linkresource:\"{0}\" ", linkedResource);
 307                         }
 308
 309                         if (providerOptions != null && providerOptions.Count > 0) {
 310                                 string langver;
 311
 312                                 if (!providerOptions.TryGetValue ("CompilerVersion", out langver))
 313                                         langver = "2.0";
 314
 315                                 if (langver.Length >= 1 && langver [0] == 'v')
 316                                         langver = langver.Substring (1);
 317
 318                                 // NOTE: when -langversion:linq becomes obsolete/default, the code
 319                                 // below must be changed!
 320                                 switch (langver) {
 321                                         case "2.0":
 322                                                 // current default, omit the switch
 323                                                 break;
 324
 325                                         case "3.5":
 326                                                 args.Append ("/langversion:linq");
 327                                                 break;
 328                                 }
 329                         }
 330 #endif
 331
 332                         args.Append (" -- ");
 333                         foreach (string source in fileNames)
 334                                 args.AppendFormat("\"{0}\" ",source);
 335                         return args.ToString();
 336                 }
 337                 private static CompilerError CreateErrorFromString(string error_string)
 338                 {
 339 #if NET_2_0
 340                         if (error_string.StartsWith ("BETA"))
 341                                 return null;
 342 #endif
 343                         if (error_string == null || error_string == "")
 344                                 return null;
 345
 346                         CompilerError error=new CompilerError();
 347                         Regex reg = new Regex (@"^(\s*(?<file>.*)\((?<line>\d*)(,(?<column>\d*))?\)(:)?\s+)*(?<level>\w+)\s*(?<number>.*):\s(?<message>.*)",
 348                                 RegexOptions.Compiled | RegexOptions.ExplicitCapture);
 349                         Match match=reg.Match(error_string);
 350                         if (!match.Success) {
 351                                 // We had some sort of runtime crash
 352                                 error.ErrorText = error_string;
 353                                 error.IsWarning = false;
 354                                 error.ErrorNumber = "";
 355                                 return error;
 356                         }
 357                         if (String.Empty != match.Result("${file}"))
 358                                 error.FileName=match.Result("${file}");
 359                         if (String.Empty != match.Result("${line}"))
 360                                 error.Line=Int32.Parse(match.Result("${line}"));
 361                         if (String.Empty != match.Result("${column}"))
 362                                 error.Column=Int32.Parse(match.Result("${column}"));
 363
 364                         string level = match.Result ("${level}");
 365                         if (level == "warning")
 366                                 error.IsWarning = true;
 367                         else if (level != "error")
 368                                 return null; // error CS8028 will confuse the regex.
 369
 370                         error.ErrorNumber=match.Result("${number}");
 371                         error.ErrorText=match.Result("${message}");
 372                         return error;
 373                 }
 374
 375                 private static string GetTempFileNameWithExtension (TempFileCollection temp_files, string extension, bool keepFile)
 376                 {
 377                         return temp_files.AddExtension (extension, keepFile);
 378                 }
 379
 380                 private static string GetTempFileNameWithExtension (TempFileCollection temp_files, string extension)
 381                 {
 382                         return temp_files.AddExtension (extension);
 383                 }
 384
 385                 private CompilerResults CompileFromDomBatch (CompilerParameters options, CodeCompileUnit[] ea)
 386                 {
 387                         if (options == null) {
 388                                 throw new ArgumentNullException ("options");
 389                         }
 390
 391                         if (ea == null) {
 392                                 throw new ArgumentNullException ("ea");
 393                         }
 394
 395                         string[] fileNames = new string[ea.Length];
 396                         StringCollection assemblies = options.ReferencedAssemblies;
 397
 398                         for (int i = 0; i < ea.Length; i++) {
 399                                 CodeCompileUnit compileUnit = ea[i];
 400                                 fileNames[i] = GetTempFileNameWithExtension (options.TempFiles, i + ".cs");
 401                                 FileStream f = new FileStream (fileNames[i], FileMode.OpenOrCreate);
 402                                 StreamWriter s = new StreamWriter (f, Encoding.UTF8);
 403                                 if (compileUnit.ReferencedAssemblies != null) {
 404                                         foreach (string str in compileUnit.ReferencedAssemblies) {
 405                                                 if (!assemblies.Contains (str))
 406                                                         assemblies.Add (str);
 407                                         }
 408                                 }
 409
 410                                 ((ICodeGenerator) this).GenerateCodeFromCompileUnit (compileUnit, s, new CodeGeneratorOptions ());
 411                                 s.Close ();
 412                                 f.Close ();
 413                         }
 414                         return CompileAssemblyFromFileBatch (options, fileNames);
 415                 }
 416
 417                 private CompilerResults CompileFromSourceBatch (CompilerParameters options, string[] sources)
 418                 {
 419                         if (options == null) {
 420                                 throw new ArgumentNullException ("options");
 421                         }
 422
 423                         if (sources == null) {
 424                                 throw new ArgumentNullException ("sources");
 425                         }
 426
 427                         string[] fileNames = new string[sources.Length];
 428
 429                         for (int i = 0; i < sources.Length; i++) {
 430                                 fileNames[i] = GetTempFileNameWithExtension (options.TempFiles, i + ".cs");
 431                                 FileStream f = new FileStream (fileNames[i], FileMode.OpenOrCreate);
 432                                 using (StreamWriter s = new StreamWriter (f, Encoding.UTF8)) {
 433                                         s.Write (sources[i]);
 434                                         s.Close ();
 435                                 }
 436                                 f.Close ();
 437                         }
 438                         return CompileFromFileBatch (options, fileNames);
 439                 }
 440         }
 441 }