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         public class Compiler {
  40
  41                 private Compiler()
  42                 {
  43                 }
  44
  45                 [MonoTODO("Have not implemented bugreports")]
  46                 public static CompilerError[] Compile(string[] sourceTexts,
  47                         string[] sourceTextNames, string target, string[] imports,
  48                         IDictionary options)
  49                 {
  50                         VerifyArgs (sourceTexts, sourceTextNames, target);
  51
  52                         string[] temp_cs_files;
  53                         CompilerError[] errors;
  54                         string bugreport_path = null;
  55                         StreamWriter bug_report = null;
  56
  57                         temp_cs_files = CreateCsFiles (sourceTexts, sourceTextNames);
  58
  59                         if (options != null)
  60                                 bugreport_path = (string)options["bugreport"];
  61
  62                         if (bugreport_path != null) {
  63                                 bug_report = CreateBugReport (sourceTexts, sourceTextNames, bugreport_path);
  64                         }
  65
  66                         try {
  67                                 errors = CompileFiles (temp_cs_files, target, imports, options, bug_report);
  68                         } catch {
  69                                 throw;
  70                         } finally {
  71                                 foreach (string temp_file in temp_cs_files) {
  72                                         FileInfo file = new FileInfo (temp_file);
  73                                         file.Delete ();
  74                                 }
  75                                 if (bug_report != null)
  76                                         bug_report.Close ();
  77                         }
  78
  79                         return errors;
  80                 }
  81
  82                 //
  83                 // Private Methods
  84                 //
  85
  86                 private static CompilerError[] CompileFiles (string[] cs_files,
  87                         string target, string[] imports, IDictionary options, StreamWriter bug_report)
  88                 {
  89                         ArrayList error_list = new ArrayList ();
  90                         Process mcs = new Process ();
  91                         string mcs_output;
  92                         string[] mcs_output_lines;
  93
  94                         mcs.StartInfo.FileName = "mcs";
  95                         mcs.StartInfo.Arguments = BuildArgs (cs_files,
  96                                 target, imports, options);
  97                         mcs.StartInfo.CreateNoWindow = true;
  98                         mcs.StartInfo.UseShellExecute = false;
  99                         mcs.StartInfo.RedirectStandardOutput = true;
 100
 101                         try {
 102                                 mcs.Start ();
 103                                 mcs_output = mcs.StandardOutput.ReadToEnd();
 104                                 mcs.WaitForExit ();
 105                         } finally {
 106                                 mcs.Close ();
 107                         }
 108
 109                         mcs_output_lines = mcs_output.Split (
 110                                 System.Environment.NewLine.ToCharArray ());
 111                         foreach (string error_line in mcs_output_lines) {
 112                                 CompilerError error = CreateErrorFromString (error_line);
 113                                 if (null != error)
 114                                         error_list.Add (error);
 115                         }
 116
 117                         if (bug_report != null) {
 118                                 bug_report.WriteLine ("### Compiler Output");
 119                                 bug_report.Write (mcs_output);
 120                         }
 121
 122                         return (CompilerError[])error_list.ToArray (typeof(CompilerError));
 123                 }
 124
 125                 /// <summary>
 126                 ///   Converts an error string into a CompilerError object
 127                 ///   Return null if the line was not an error string
 128                 /// </summary>
 129                 private static CompilerError CreateErrorFromString(string error_string)
 130                 {
 131                         CompilerError error = new CompilerError();
 132                         Regex reg = new Regex (@"^((?<file>.*)\((?<line>\d*)(,(?<column>\d*))?\)\s){0,}(?<level>\w+)\sCS(?<number>\d*):\s(?<message>.*)",
 133                         RegexOptions.Compiled | RegexOptions.ExplicitCapture);
 134
 135                         Match match = reg.Match (error_string);
 136
 137                         if (!match.Success)
 138                                 return null;
 139
 140                         if (String.Empty != match.Result ("${file}"))
 141                                 error.SourceFile = match.Result ("${file}");
 142                         if (String.Empty != match.Result ("${line}"))
 143                                 error.SourceLine = Int32.Parse (match.Result ("${line}"));
 144                         if (String.Empty != match.Result ("${column}"))
 145                                 error.SourceColumn = Int32.Parse (match.Result ("${column}"));
 146                         error.ErrorLevel = (ErrorLevel)Enum.Parse (typeof(ErrorLevel),
 147                                 match.Result ("${level}"), true);
 148                         error.ErrorNumber = Int32.Parse (match.Result ("${number}"));
 149                         error.ErrorMessage = match.Result ("${message}");
 150
 151                         return error;
 152                 }
 153
 154                 private static string[] CreateCsFiles (string[] source_text, string[] source_name)
 155                 {
 156                         ArrayList temp_file_list = new ArrayList ();
 157
 158                         for (int i=0; i<source_text.Length; i++) {
 159                                 string temp_path = Path.GetTempFileName ();
 160                                 StreamWriter writer = null;
 161                                 try {
 162                                         writer = new StreamWriter (temp_path);
 163                                         writer.WriteLine (String.Format ("#line 1 \"{0}\"",
 164                                                 source_name[i]));
 165                                         writer.Write (source_text[i]);
 166                                 } catch {
 167                                 } finally {
 168                                         if (writer != null)
 169                                                 writer.Close ();
 170                                 }
 171                                 temp_file_list.Add (temp_path);
 172                         }
 173
 174                         return (string[])temp_file_list.ToArray (typeof(string));
 175                 }
 176
 177                 private static string BuildArgs(string[] source_files,
 178                         string target, string[] imports, IDictionary options)
 179                 {
 180                         StringBuilder args = new StringBuilder ();
 181
 182                         args.AppendFormat ("/out:{0} ", target);
 183
 184                         if (null != imports) {
 185                                 foreach (string import in imports)
 186                                         args.AppendFormat ("/r:{0} ", import);
 187                         }
 188
 189                         if (null != options) {
 190                                 foreach (object option in options.Keys) {
 191                                         object value = options[option];
 192                                         if (!ValidOption ((string)option))
 193                                                 continue;
 194                                         args.AppendFormat ("{0} ", OptionString (option,value));
 195                                 }
 196                         }
 197
 198                         foreach (string source in source_files)
 199                                 args.AppendFormat ("{0} ", source);
 200
 201                         return args.ToString ();
 202                 }
 203
 204                 private static string OptionString(object option, object value)
 205                 {
 206                         if (null != value)
 207                                 return String.Format ("/{0}:{1}", option, value);
 208
 209                         return String.Format("/{0}", option);
 210                 }
 211
 212                 private static void VerifyArgs (string[] sourceTexts,
 213                         string[] sourceTextNames, string target)
 214                 {
 215                         if (null == sourceTexts)
 216                                 throw new ArgumentNullException ("sourceTexts");
 217                         if (null == sourceTextNames)
 218                                 throw new ArgumentNullException ("sourceTextNames");
 219                         if (null == target)
 220                                 throw new ArgumentNullException ("target");
 221
 222                         if (sourceTexts.Length <= 0 || sourceTextNames.Length <= 0)
 223                                 throw new IndexOutOfRangeException ();
 224                 }
 225
 226                 private static StreamWriter CreateBugReport (string[] source_texts,
 227                         string[] source_names, string path)
 228                 {
 229                         StreamWriter bug_report = null;
 230
 231                         try {
 232                                 bug_report = new StreamWriter (path);
 233                                 bug_report.WriteLine ("### C# Compiler Defect Report," +
 234                                         " created {0}", DateTime.Now);
 235                                 // Compiler Version
 236                                 // Runtime
 237                                 // Operating System
 238                                 // Username
 239                                 for (int i=0; i<source_texts.Length; i++) {
 240                                         bug_report.WriteLine ("### Source file: '{0}'",
 241                                                 source_names[i]);
 242                                         bug_report.Write (source_texts[i]);
 243                                 }
 244                         } catch {
 245                                 if (bug_report != null)
 246                                         bug_report.Close ();
 247                                 throw;
 248                         }
 249
 250                         return bug_report;
 251                 }
 252
 253
 254                 private static bool ValidOption (string option)
 255                 {
 256                         switch (option) {
 257                                 case "addmodule":
 258                                 case "baseaddress":
 259                                 case "checked":
 260                                 case "d":
 261                                 case "debug":
 262                                 case "doc":
 263                                 case "filealign":
 264                                 case "incr":
 265                                 case "lib":
 266                                 case "linkres":
 267                                 case "m":
 268                                 case "nostdlib":
 269                                 case "nowarn":
 270                                 case "o":
 271                                 case "r":
 272                                 case "res":
 273                                 case "target":
 274                                 case "unsafe":
 275                                 case "w":
 276                                 case "warnaserror":
 277                                 case "win32icon":
 278                                 case "win32res":
 279                                         return true;
 280                         }
 281                         return false;
 282                 }
 283
 284         }
 285
 286 }
 287