mcs/class/Cscompmgd/Microsoft.CSharp/Compiler.cs

   1 // Microsoft.CSharp.Compiler
   2 //
   3 // Author(s):
   4 //  Jackson Harper (Jackson@LatitudeGeo.com)
   5 //
   6 // (C) 2002 Jackson Harper, All rights reserved.
   7 //
   8
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 using System;
  31 using System.IO;
  32 using System.Text;
  33 using System.Collections;
  34 using System.Diagnostics;
  35 using System.Text.RegularExpressions;
  36
  37 namespace Microsoft.CSharp {
  38
  39 #if NET_2_0
  40         [System.Obsolete]
  41 #endif
  42         public class Compiler {
  43
  44                 private Compiler()
  45                 {
  46                 }
  47
  48                 [MonoTODO("Have not implemented bugreports")]
  49                 public static CompilerError[] Compile(string[] sourceTexts,
  50                         string[] sourceTextNames, string target, string[] imports,
  51                         IDictionary options)
  52                 {
  53                         VerifyArgs (sourceTexts, sourceTextNames, target);
  54
  55                         string[] temp_cs_files;
  56                         CompilerError[] errors;
  57                         string bugreport_path = null;
  58                         StreamWriter bug_report = null;
  59
  60                         temp_cs_files = CreateCsFiles (sourceTexts, sourceTextNames);
  61
  62                         if (options != null)
  63                                 bugreport_path = (string)options["bugreport"];
  64
  65                         if (bugreport_path != null) {
  66                                 bug_report = CreateBugReport (sourceTexts, sourceTextNames, bugreport_path);
  67                         }
  68
  69                         try {
  70                                 errors = CompileFiles (temp_cs_files, target, imports, options, bug_report);
  71                         } catch {
  72                                 throw;
  73                         } finally {
  74                                 foreach (string temp_file in temp_cs_files) {
  75                                         FileInfo file = new FileInfo (temp_file);
  76                                         file.Delete ();
  77                                 }
  78                                 if (bug_report != null)
  79                                         bug_report.Close ();
  80                         }
  81
  82                         return errors;
  83                 }
  84
  85                 //
  86                 // Private Methods
  87                 //
  88
  89                 private static CompilerError[] CompileFiles (string[] cs_files,
  90                         string target, string[] imports, IDictionary options, StreamWriter bug_report)
  91                 {
  92                         ArrayList error_list = new ArrayList ();
  93                         Process mcs = new Process ();
  94                         string mcs_output;
  95                         string[] mcs_output_lines;
  96
  97                         mcs.StartInfo.FileName = "mcs";
  98                         mcs.StartInfo.Arguments = BuildArgs (cs_files,
  99                                 target, imports, options);
 100                         mcs.StartInfo.CreateNoWindow = true;
 101                         mcs.StartInfo.UseShellExecute = false;
 102                         mcs.StartInfo.RedirectStandardOutput = true;
 103
 104                         try {
 105                                 mcs.Start ();
 106                                 mcs_output = mcs.StandardError.ReadToEnd ();
 107                                 mcs.StandardOutput.ReadToEnd ();
 108                                 mcs.WaitForExit ();
 109                         } finally {
 110                                 mcs.Close ();
 111                         }
 112
 113                         mcs_output_lines = mcs_output.Split (
 114                                 System.Environment.NewLine.ToCharArray ());
 115                         foreach (string error_line in mcs_output_lines) {
 116                                 CompilerError error = CreateErrorFromString (error_line);
 117                                 if (null != error)
 118                                         error_list.Add (error);
 119                         }
 120
 121                         if (bug_report != null) {
 122                                 bug_report.WriteLine ("### Compiler Output");
 123                                 bug_report.Write (mcs_output);
 124                         }
 125
 126                         return (CompilerError[])error_list.ToArray (typeof(CompilerError));
 127                 }
 128
 129                 /// <summary>
 130                 ///   Converts an error string into a CompilerError object
 131                 ///   Return null if the line was not an error string
 132                 /// </summary>
 133                 private static CompilerError CreateErrorFromString(string error_string)
 134                 {
 135                         CompilerError error = new CompilerError();
 136                         Regex reg = new Regex (@"^((?<file>.*)\((?<line>\d*)(,(?<column>\d*))?\)\s){0,}(?<level>\w+)\sCS(?<number>\d*):\s(?<message>.*)",
 137                         RegexOptions.Compiled | RegexOptions.ExplicitCapture);
 138
 139                         Match match = reg.Match (error_string);
 140
 141                         if (!match.Success)
 142                                 return null;
 143
 144                         if (String.Empty != match.Result ("${file}"))
 145                                 error.SourceFile = match.Result ("${file}");
 146                         if (String.Empty != match.Result ("${line}"))
 147                                 error.SourceLine = Int32.Parse (match.Result ("${line}"));
 148                         if (String.Empty != match.Result ("${column}"))
 149                                 error.SourceColumn = Int32.Parse (match.Result ("${column}"));
 150                         error.ErrorLevel = (ErrorLevel)Enum.Parse (typeof(ErrorLevel),
 151                                 match.Result ("${level}"), true);
 152                         error.ErrorNumber = Int32.Parse (match.Result ("${number}"));
 153                         error.ErrorMessage = match.Result ("${message}");
 154
 155                         return error;
 156                 }
 157
 158                 private static string[] CreateCsFiles (string[] source_text, string[] source_name)
 159                 {
 160                         ArrayList temp_file_list = new ArrayList ();
 161
 162                         for (int i=0; i<source_text.Length; i++) {
 163                                 string temp_path = Path.GetTempFileName ();
 164                                 StreamWriter writer = null;
 165                                 try {
 166                                         writer = new StreamWriter (temp_path);
 167                                         writer.WriteLine (String.Format ("#line 1 \"{0}\"",
 168                                                 source_name[i]));
 169                                         writer.Write (source_text[i]);
 170                                 } catch {
 171                                 } finally {
 172                                         if (writer != null)
 173                                                 writer.Close ();
 174                                 }
 175                                 temp_file_list.Add (temp_path);
 176                         }
 177
 178                         return (string[])temp_file_list.ToArray (typeof(string));
 179                 }
 180
 181                 private static string BuildArgs(string[] source_files,
 182                         string target, string[] imports, IDictionary options)
 183                 {
 184                         StringBuilder args = new StringBuilder ();
 185
 186                         args.AppendFormat ("/out:{0} ", target);
 187
 188                         if (null != imports) {
 189                                 foreach (string import in imports)
 190                                         args.AppendFormat ("/r:{0} ", import);
 191                         }
 192
 193                         if (null != options) {
 194                                 foreach (object option in options.Keys) {
 195                                         object value = options[option];
 196                                         if (!ValidOption ((string)option))
 197                                                 continue;
 198                                         args.AppendFormat ("{0} ", OptionString (option,value));
 199                                 }
 200                         }
 201
 202                         foreach (string source in source_files)
 203                                 args.AppendFormat ("{0} ", source);
 204
 205                         return args.ToString ();
 206                 }
 207
 208                 private static string OptionString(object option, object value)
 209                 {
 210                         if (null != value)
 211                                 return String.Format ("/{0}:{1}", option, value);
 212
 213                         return String.Format("/{0}", option);
 214                 }
 215
 216                 private static void VerifyArgs (string[] sourceTexts,
 217                         string[] sourceTextNames, string target)
 218                 {
 219                         if (null == sourceTexts)
 220                                 throw new ArgumentNullException ("sourceTexts");
 221                         if (null == sourceTextNames)
 222                                 throw new ArgumentNullException ("sourceTextNames");
 223                         if (null == target)
 224                                 throw new ArgumentNullException ("target");
 225
 226                         if (sourceTexts.Length <= 0 || sourceTextNames.Length <= 0)
 227                                 throw new IndexOutOfRangeException ();
 228                 }
 229
 230                 private static StreamWriter CreateBugReport (string[] source_texts,
 231                         string[] source_names, string path)
 232                 {
 233                         StreamWriter bug_report = null;
 234
 235                         try {
 236                                 bug_report = new StreamWriter (path);
 237                                 bug_report.WriteLine ("### C# Compiler Defect Report," +
 238                                         " created {0}", DateTime.Now);
 239                                 // Compiler Version
 240                                 // Runtime
 241                                 // Operating System
 242                                 // Username
 243                                 for (int i=0; i<source_texts.Length; i++) {
 244                                         bug_report.WriteLine ("### Source file: '{0}'",
 245                                                 source_names[i]);
 246                                         bug_report.Write (source_texts[i]);
 247                                 }
 248                         } catch {
 249                                 if (bug_report != null)
 250                                         bug_report.Close ();
 251                                 throw;
 252                         }
 253
 254                         return bug_report;
 255                 }
 256
 257
 258                 private static bool ValidOption (string option)
 259                 {
 260                         switch (option) {
 261                                 case "addmodule":
 262                                 case "baseaddress":
 263                                 case "checked":
 264                                 case "d":
 265                                 case "debug":
 266                                 case "doc":
 267                                 case "filealign":
 268                                 case "incr":
 269                                 case "lib":
 270                                 case "linkres":
 271                                 case "m":
 272                                 case "nostdlib":
 273                                 case "nowarn":
 274                                 case "o":
 275                                 case "r":
 276                                 case "res":
 277                                 case "target":
 278                                 case "unsafe":
 279                                 case "w":
 280                                 case "warnaserror":
 281                                 case "win32icon":
 282                                 case "win32res":
 283                                         return true;
 284                         }
 285                         return false;
 286                 }
 287
 288         }
 289
 290 }
 291