mcs/class/System/Microsoft.VisualBasic/VBCodeCompiler.cs

   1 //
   2 // Microsoft VisualBasic VBCodeCompiler Class implementation
   3 //
   4 // Authors:
   5 //      Jochen Wezel (jwezel@compumaster.de)
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)
   7 //
   8 // (c) 2003 Jochen Wezel (http://www.compumaster.de)
   9 // (c) 2003 Ximian, Inc. (http://www.ximian.com)
  10 //
  11 // Modifications:
  12 // 2003-11-28 JW: create reference to Microsoft.VisualBasic if not explicitly done
  13
  14 //
  15 // Permission is hereby granted, free of charge, to any person obtaining
  16 // a copy of this software and associated documentation files (the
  17 // "Software"), to deal in the Software without restriction, including
  18 // without limitation the rights to use, copy, modify, merge, publish,
  19 // distribute, sublicense, and/or sell copies of the Software, and to
  20 // permit persons to whom the Software is furnished to do so, subject to
  21 // the following conditions:
  22 //
  23 // The above copyright notice and this permission notice shall be
  24 // included in all copies or substantial portions of the Software.
  25 //
  26 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  27 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  28 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  29 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  30 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  31 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  32 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  33 //
  34
  35 using System;
  36 using System.CodeDom;
  37 using System.CodeDom.Compiler;
  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
  46 namespace Microsoft.VisualBasic
  47 {
  48         internal class VBCodeCompiler : VBCodeGenerator, ICodeCompiler
  49         {
  50                 static string windowsMonoPath;
  51                 static string windowsMbasPath;
  52                 static VBCodeCompiler ()
  53                 {
  54                         if (Path.DirectorySeparatorChar == '\\') {
  55                                 // FIXME: right now we use "fixed" version 1.0
  56                                 // mcs at any time.
  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                                 windowsMbasPath =
  71                                         Path.Combine (p, "1.0\\mbas.exe");
  72                         }
  73                 }
  74
  75                 public CompilerResults CompileAssemblyFromDom (CompilerParameters options, CodeCompileUnit e)
  76                 {
  77                         return CompileAssemblyFromDomBatch (options, new CodeCompileUnit[] { e });
  78                 }
  79
  80                 public CompilerResults CompileAssemblyFromDomBatch (CompilerParameters options, CodeCompileUnit[] ea)
  81                 {
  82                         if (options == null) {
  83                                 throw new ArgumentNullException ("options");
  84                         }
  85
  86                         try {
  87                                 return CompileFromDomBatch (options, ea);
  88                         } finally {
  89                                 options.TempFiles.Delete ();
  90                         }
  91                 }
  92
  93                 public CompilerResults CompileAssemblyFromFile (CompilerParameters options, string fileName)
  94                 {
  95                         return CompileAssemblyFromFileBatch (options, new string[] { fileName });
  96                 }
  97
  98                 public CompilerResults CompileAssemblyFromFileBatch (CompilerParameters options, string[] fileNames)
  99                 {
 100                         if (options == null) {
 101                                 throw new ArgumentNullException ("options");
 102                         }
 103
 104                         try {
 105                                 return CompileFromFileBatch (options, fileNames);
 106                         } finally {
 107                                 options.TempFiles.Delete ();
 108                         }
 109                 }
 110
 111                 public CompilerResults CompileAssemblyFromSource (CompilerParameters options, string source)
 112                 {
 113                         return CompileAssemblyFromSourceBatch (options, new string[] { source });
 114                 }
 115
 116                 public CompilerResults CompileAssemblyFromSourceBatch (CompilerParameters options, string[] sources)
 117                 {
 118                         if (options == null) {
 119                                 throw new ArgumentNullException ("options");
 120                         }
 121
 122                         try {
 123                                 return CompileFromSourceBatch (options, sources);
 124                         } finally {
 125                                 options.TempFiles.Delete ();
 126                         }
 127                 }
 128
 129                 static string BuildArgs (CompilerParameters options, string[] fileNames)
 130                 {
 131                         StringBuilder args = new StringBuilder ();
 132                         args.AppendFormat ("/quiet ");
 133                         if (options.GenerateExecutable)
 134                                 args.AppendFormat ("/target:exe ");
 135                         else
 136                                 args.AppendFormat ("/target:library ");
 137
 138                         /* Disabled. It causes problems now. -- Gonzalo
 139                         if (options.IncludeDebugInformation)
 140                                 args.AppendFormat("/debug ");
 141                         */
 142
 143                         if (options.TreatWarningsAsErrors)
 144                                 args.AppendFormat ("/warnaserror ");
 145
 146                         if (options.WarningLevel != -1)
 147                                 args.AppendFormat ("/wlevel:{0} ", options.WarningLevel);
 148
 149                         if (options.OutputAssembly == null) {
 150                                 string ext = (options.GenerateExecutable ? "exe" : "dll");
 151                                 options.OutputAssembly = GetTempFileNameWithExtension (options.TempFiles, ext, !options.GenerateInMemory);
 152                         }
 153
 154                         args.AppendFormat ("/out:\"{0}\" ", options.OutputAssembly);
 155
 156                         bool Reference2MSVBFound;
 157                         Reference2MSVBFound = false;
 158                         if (null != options.ReferencedAssemblies) {
 159                                 foreach (string import in options.ReferencedAssemblies) {
 160                                         if (string.Compare (import, "Microsoft.VisualBasic", true, System.Globalization.CultureInfo.InvariantCulture) == 0)
 161                                                 Reference2MSVBFound = true;
 162                                         args.AppendFormat ("/r:\"{0}\" ", import);
 163                                 }
 164                         }
 165                         // add standard import to Microsoft.VisualBasic if missing
 166                         if (!Reference2MSVBFound)
 167                                 args.AppendFormat ("/r:\"{0}\" ", "Microsoft.VisualBasic");
 168
 169                         args.AppendFormat (" -- "); // makes mbas not try to process filenames as options
 170
 171                         foreach (string source in fileNames)
 172                                 args.AppendFormat ("\"{0}\" ", source);
 173
 174                         return args.ToString ();
 175                 }
 176
 177                 static CompilerError CreateErrorFromString (string error_string)
 178                 {
 179                         // When IncludeDebugInformation is true, prevents the debug symbols stats from braeking this.
 180                         if (error_string.StartsWith ("WROTE SYMFILE") || error_string.StartsWith ("OffsetTable"))
 181                                 return null;
 182
 183                         CompilerError error = new CompilerError ();
 184                         Regex reg = new Regex (@"^(\s*(?<file>.*)\((?<line>\d*)(,(?<column>\d*))?\)\s+)*" +
 185                                                 @"(?<level>error|warning)\s*(?<number>.*):\s(?<message>.*)",
 186                                                 RegexOptions.Compiled | RegexOptions.ExplicitCapture);
 187
 188                         Match match = reg.Match (error_string);
 189                         if (!match.Success)
 190                                 return null;
 191
 192                         if (String.Empty != match.Result ("${file}"))
 193                                 error.FileName = match.Result ("${file}");
 194
 195                         if (String.Empty != match.Result ("${line}"))
 196                                 error.Line = Int32.Parse (match.Result ("${line}"));
 197
 198                         if (String.Empty != match.Result ("${column}"))
 199                                 error.Column = Int32.Parse (match.Result ("${column}"));
 200
 201                         if (match.Result ("${level}") == "warning")
 202                                 error.IsWarning = true;
 203
 204                         error.ErrorNumber = match.Result ("${number}");
 205                         error.ErrorText = match.Result ("${message}");
 206                         return error;
 207                 }
 208
 209                 private static string GetTempFileNameWithExtension (TempFileCollection temp_files, string extension, bool keepFile)
 210                 {
 211                         return temp_files.AddExtension (extension, keepFile);
 212                 }
 213
 214                 private static string GetTempFileNameWithExtension (TempFileCollection temp_files, string extension)
 215                 {
 216                         return temp_files.AddExtension (extension);
 217                 }
 218
 219                 private CompilerResults CompileFromFileBatch (CompilerParameters options, string[] fileNames)
 220                 {
 221                         if (options == null) {
 222                                 throw new ArgumentNullException ("options");
 223                         }
 224
 225                         if (fileNames == null) {
 226                                 throw new ArgumentNullException ("fileNames");
 227                         }
 228
 229                         CompilerResults results = new CompilerResults (options.TempFiles);
 230                         Process mbas = new Process ();
 231
 232                         string mbas_output;
 233                         string[] mbas_output_lines;
 234                         // FIXME: these lines had better be platform independent.
 235                         if (Path.DirectorySeparatorChar == '\\') {
 236                                 mbas.StartInfo.FileName = windowsMonoPath;
 237                                 mbas.StartInfo.Arguments = windowsMbasPath + ' ' + BuildArgs (options, fileNames);
 238                         } else {
 239                                 mbas.StartInfo.FileName = "mbas";
 240                                 mbas.StartInfo.Arguments = BuildArgs (options, fileNames);
 241                         }
 242                         mbas.StartInfo.CreateNoWindow = true;
 243                         mbas.StartInfo.UseShellExecute = false;
 244                         mbas.StartInfo.RedirectStandardOutput = true;
 245                         try {
 246                                 mbas.Start ();
 247                                 mbas_output = mbas.StandardOutput.ReadToEnd ();
 248                                 mbas.WaitForExit ();
 249                         } finally {
 250                                 results.NativeCompilerReturnValue = mbas.ExitCode;
 251                                 mbas.Close ();
 252                         }
 253
 254                         mbas_output_lines = mbas_output.Split (Environment.NewLine.ToCharArray ());
 255                         bool loadIt = true;
 256                         foreach (string error_line in mbas_output_lines) {
 257                                 CompilerError error = CreateErrorFromString (error_line);
 258                                 if (null != error) {
 259                                         results.Errors.Add (error);
 260                                         if (!error.IsWarning)
 261                                                 loadIt = false;
 262                                 }
 263                         }
 264
 265                         if (loadIt) {
 266                                 if (options.GenerateInMemory) {
 267                                         using (FileStream fs = File.OpenRead (options.OutputAssembly)) {
 268                                                 byte[] buffer = new byte[fs.Length];
 269                                                 fs.Read (buffer, 0, buffer.Length);
 270                                                 results.CompiledAssembly = Assembly.Load (buffer, null, options.Evidence);
 271                                                 fs.Close ();
 272                                         }
 273                                 } else {
 274                                         results.CompiledAssembly = Assembly.LoadFrom (options.OutputAssembly);
 275                                         results.PathToAssembly = options.OutputAssembly;
 276                                 }
 277                         } else {
 278                                 results.CompiledAssembly = null;
 279                         }
 280
 281                         return results;
 282                 }
 283
 284                 private CompilerResults CompileFromDomBatch (CompilerParameters options, CodeCompileUnit[] ea)
 285                 {
 286                         if (options == null) {
 287                                 throw new ArgumentNullException ("options");
 288                         }
 289
 290                         if (ea == null) {
 291                                 throw new ArgumentNullException ("ea");
 292                         }
 293
 294                         string[] fileNames = new string[ea.Length];
 295                         StringCollection assemblies = options.ReferencedAssemblies;
 296
 297                         for (int i = 0; i < ea.Length; i++) {
 298                                 CodeCompileUnit compileUnit = ea[i];
 299                                 fileNames[i] = GetTempFileNameWithExtension (options.TempFiles, i + ".vb");
 300                                 FileStream f = new FileStream (fileNames[i], FileMode.OpenOrCreate);
 301                                 StreamWriter s = new StreamWriter (f);
 302                                 if (compileUnit.ReferencedAssemblies != null) {
 303                                         foreach (string str in compileUnit.ReferencedAssemblies) {
 304                                                 if (!assemblies.Contains (str))
 305                                                         assemblies.Add (str);
 306                                         }
 307                                 }
 308
 309                                 ((ICodeGenerator) this).GenerateCodeFromCompileUnit (compileUnit, s, new CodeGeneratorOptions ());
 310                                 s.Close ();
 311                                 f.Close ();
 312                         }
 313                         return CompileAssemblyFromFileBatch (options, fileNames);
 314                 }
 315
 316                 private CompilerResults CompileFromSourceBatch (CompilerParameters options, string[] sources)
 317                 {
 318                         if (options == null) {
 319                                 throw new ArgumentNullException ("options");
 320                         }
 321
 322                         if (sources == null) {
 323                                 throw new ArgumentNullException ("sources");
 324                         }
 325
 326                         string[] fileNames = new string[sources.Length];
 327
 328                         for (int i = 0; i < sources.Length; i++) {
 329                                 fileNames[i] = GetTempFileNameWithExtension (options.TempFiles, i + ".vb");
 330                                 FileStream f = new FileStream (fileNames[i], FileMode.OpenOrCreate);
 331                                 using (StreamWriter s = new StreamWriter (f)) {
 332                                         s.Write (sources[i]);
 333                                         s.Close ();
 334                                 }
 335                                 f.Close ();
 336                         }
 337                         return CompileFromFileBatch (options, fileNames);
 338                 }
 339         }
 340 }
 341