mcs/tools/xbuild/SolutionParser.cs

   1 //
   2 // SolutionParser.cs: Generates a project file from a solution file.
   3 //
   4 // Author:
   5 //   Jonathan Chambers (joncham@gmail.com)
   6 //   Ankit Jain <jankit@novell.com>
   7 //   Lluis Sanchez Gual <lluis@novell.com>
   8 //
   9 // (C) 2009 Jonathan Chambers
  10 // Copyright 2008, 2009 Novell, Inc (http://www.novell.com)
  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 using System;
  32 using System.Collections.Generic;
  33 using System.Linq;
  34 using System.Text;
  35 using System.Text.RegularExpressions;
  36 using System.IO;
  37 using Microsoft.Build.BuildEngine;
  38
  39 namespace Mono.XBuild.CommandLine {
  40         class ProjectInfo {
  41                 public string Name;
  42                 public string FileName;
  43                 public Guid Guid;
  44
  45                 public ProjectInfo (string name, string fileName)
  46                 {
  47                         Name = name;
  48                         FileName = fileName;
  49                 }
  50
  51                 public Dictionary<TargetInfo, TargetInfo> TargetMap = new Dictionary<TargetInfo, TargetInfo> ();
  52                 public Dictionary<Guid, ProjectInfo> Dependencies = new Dictionary<Guid, ProjectInfo> ();
  53                 public Dictionary<string, ProjectSection> ProjectSections = new Dictionary<string, ProjectSection> ();
  54                 public List<string> AspNetConfigurations = new List<string> ();
  55         }
  56
  57         class ProjectSection {
  58                 public string Name;
  59                 public Dictionary<string, string> Properties = new Dictionary<string, string> ();
  60
  61                 public ProjectSection (string name)
  62                 {
  63                         Name = name;
  64                 }
  65         }
  66
  67         struct TargetInfo {
  68                 public string Configuration;
  69                 public string Platform;
  70                 public bool Build;
  71
  72                 public TargetInfo (string configuration, string platform)
  73                         : this (configuration, platform, false)
  74                 {
  75                 }
  76
  77                 public TargetInfo (string configuration, string platform, bool build)
  78                 {
  79                         Configuration = configuration;
  80                         Platform = platform;
  81                         Build = build;
  82                 }
  83         }
  84
  85
  86         internal delegate void RaiseWarningHandler (int errorNumber, string message);
  87
  88         class SolutionParser {
  89                 static string[] buildTargets = new string[] { "Build", "Clean", "Rebuild", "Publish" };
  90
  91                 static string guidExpression = "{[A-Fa-f0-9]{8}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{4}-[A-Fa-f0-9]{12}}";
  92
  93                 static Regex slnVersionRegex = new Regex (@"Microsoft Visual Studio Solution File, Format Version (\d?\d.\d\d)");
  94                 static Regex projectRegex = new Regex ("Project\\(\"(" + guidExpression + ")\"\\) = \"(.*?)\", \"(.*?)\", \"(" + guidExpression + ")\"(\\s*?)((\\s*?)ProjectSection\\((.*?)\\) = (.*?)EndProjectSection(\\s*?))*(\\s*?)(EndProject)?", RegexOptions.Singleline);
  95                 static Regex projectDependenciesRegex = new Regex ("ProjectSection\\((.*?)\\) = \\w*(.*?)EndProjectSection", RegexOptions.Singleline);
  96                 static Regex projectDependencyRegex = new Regex ("\\s*(" + guidExpression + ") = (" + guidExpression + ")");
  97                 static Regex projectSectionPropertiesRegex = new Regex ("\\s*(?<name>.*) = \"(?<value>.*)\"");
  98
  99                 static Regex globalRegex = new Regex ("Global(.*)EndGlobal", RegexOptions.Singleline);
 100                 static Regex globalSectionRegex = new Regex ("GlobalSection\\((.*?)\\) = \\w*(.*?)EndGlobalSection", RegexOptions.Singleline);
 101
 102                 static Regex solutionConfigurationRegex = new Regex ("\\s*(.*?)\\|(.*?) = (.*?)\\|(.+)");
 103                 static Regex projectConfigurationActiveCfgRegex = new Regex ("\\s*(" + guidExpression + ")\\.(.+?)\\|(.+?)\\.ActiveCfg = (.+?)\\|(.+)");
 104                 static Regex projectConfigurationBuildRegex = new Regex ("\\s*(" + guidExpression + ")\\.(.*?)\\|(.*?)\\.Build\\.0 = (.*?)\\|(.+)");
 105
 106                 static string solutionFolderGuid = "{2150E333-8FDC-42A3-9474-1A3956D46DE8}";
 107                 static string vcprojGuid = "{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}";
 108                 static string websiteProjectGuid = "{E24C65DC-7377-472B-9ABA-BC803B73C61A}";
 109
 110                 RaiseWarningHandler RaiseWarning;
 111
 112                 public void ParseSolution (string file, Project p, RaiseWarningHandler RaiseWarning)
 113                 {
 114                         this.RaiseWarning = RaiseWarning;
 115                         EmitBeforeImports (p, file);
 116
 117                         AddGeneralSettings (file, p);
 118
 119                         StreamReader reader = new StreamReader (file);
 120
 121                         string slnVersion = GetSlnFileVersion (reader);
 122
 123                         if (slnVersion == "12.00")
 124 #if XBUILD_14
 125                                 p.DefaultToolsVersion = "14.0";
 126 #elif XBUILD_12
 127                                 p.DefaultToolsVersion = "12.0";
 128 #else
 129                                 p.DefaultToolsVersion = "4.0";
 130 #endif
 131                         else if (slnVersion == "11.00")
 132                                 p.DefaultToolsVersion = "4.0";
 133                         else if (slnVersion == "10.00")
 134                                 p.DefaultToolsVersion = "3.5";
 135                         else
 136                                 p.DefaultToolsVersion = "2.0";
 137
 138                         string line = reader.ReadToEnd ();
 139                         line = line.Replace ("\r\n", "\n");
 140                         string solutionDir = Path.GetDirectoryName (file);
 141
 142                         List<TargetInfo> solutionTargets = new List<TargetInfo> ();
 143                         Dictionary<Guid, ProjectInfo> projectInfos = new Dictionary<Guid, ProjectInfo> ();
 144                         Dictionary<Guid, ProjectInfo> websiteProjectInfos = new Dictionary<Guid, ProjectInfo> ();
 145                         List<ProjectInfo>[] infosByLevel = null;
 146                         Dictionary<Guid, ProjectInfo> unsupportedProjectInfos = new Dictionary<Guid, ProjectInfo> ();
 147
 148                         Match m = projectRegex.Match (line);
 149                         while (m.Success) {
 150                                 ProjectInfo projectInfo = new ProjectInfo (m.Groups[2].Value,
 151                                                                 Path.GetFullPath (Path.Combine (solutionDir,
 152                                                                         m.Groups [3].Value.Replace ('\\', Path.DirectorySeparatorChar))));
 153                                 if (String.Compare (m.Groups [1].Value, solutionFolderGuid,
 154                                                 StringComparison.InvariantCultureIgnoreCase) == 0) {
 155                                         // Ignore solution folders
 156                                         m = m.NextMatch ();
 157                                         continue;
 158                                 }
 159
 160                                 projectInfo.Guid = new Guid (m.Groups [4].Value);
 161
 162                                 if (String.Compare (m.Groups [1].Value, vcprojGuid,
 163                                                 StringComparison.InvariantCultureIgnoreCase) == 0) {
 164                                         // Ignore vcproj
 165                                         RaiseWarning (0, string.Format("Ignoring vcproj '{0}'.", projectInfo.Name));
 166
 167                                         unsupportedProjectInfos [projectInfo.Guid] = projectInfo;
 168                                         m = m.NextMatch ();
 169                                         continue;
 170                                 }
 171
 172                                 if (String.Compare (m.Groups [1].Value, websiteProjectGuid,
 173                                                 StringComparison.InvariantCultureIgnoreCase) == 0)
 174                                         websiteProjectInfos.Add (new Guid (m.Groups[4].Value), projectInfo);
 175                                 else
 176                                         projectInfos.Add (projectInfo.Guid, projectInfo);
 177
 178                                 Match projectSectionMatch = projectDependenciesRegex.Match (m.Groups[6].Value);
 179                                 while (projectSectionMatch.Success) {
 180                                         string section_name = projectSectionMatch.Groups [1].Value;
 181                                         if (String.Compare (section_name, "ProjectDependencies") == 0) {
 182                                                 Match projectDependencyMatch = projectDependencyRegex.Match (projectSectionMatch.Value);
 183                                                 while (projectDependencyMatch.Success) {
 184                                                         // we might not have projectInfo available right now, so
 185                                                         // set it to null, and fill it in later
 186                                                         projectInfo.Dependencies [new Guid (projectDependencyMatch.Groups[1].Value)] = null;
 187                                                         projectDependencyMatch = projectDependencyMatch.NextMatch ();
 188                                                 }
 189                                         } else {
 190                                                 ProjectSection section = new ProjectSection (section_name);
 191                                                 Match propertiesMatch = projectSectionPropertiesRegex.Match (
 192                                                                         projectSectionMatch.Groups [2].Value);
 193                                                 while (propertiesMatch.Success) {
 194                                                         section.Properties [propertiesMatch.Groups ["name"].Value] =
 195                                                                 propertiesMatch.Groups ["value"].Value;
 196
 197                                                         propertiesMatch = propertiesMatch.NextMatch ();
 198                                                 }
 199
 200                                                 projectInfo.ProjectSections [section_name] = section;
 201                                         }
 202                                         projectSectionMatch = projectSectionMatch.NextMatch ();
 203                                 }
 204                                 m = m.NextMatch ();
 205                         }
 206
 207                         foreach (ProjectInfo projectInfo in projectInfos.Values) {
 208                                 string filename = projectInfo.FileName;
 209                                 string projectDir = Path.GetDirectoryName (filename);
 210
 211                                 if (!File.Exists (filename)) {
 212                                         RaiseWarning (0, String.Format ("Project file {0} referenced in the solution file, " +
 213                                                                 "not found. Ignoring.", filename));
 214                                         continue;
 215                                 }
 216
 217                                 Project currentProject = p.ParentEngine.CreateNewProject ();
 218                                 try {
 219                                         currentProject.Load (filename, ProjectLoadSettings.IgnoreMissingImports);
 220                                 } catch (InvalidProjectFileException e) {
 221                                         RaiseWarning (0, e.Message);
 222                                         continue;
 223                                 }
 224
 225                                 foreach (BuildItem bi in currentProject.GetEvaluatedItemsByName ("ProjectReference")) {
 226                                         ProjectInfo info = null;
 227                                         string projectReferenceGuid = bi.GetEvaluatedMetadata ("Project");
 228                                         bool hasGuid = !String.IsNullOrEmpty (projectReferenceGuid);
 229
 230                                         // try to resolve the ProjectReference by GUID
 231                                         // and fallback to project filename
 232
 233                                         if (hasGuid) {
 234                                                 Guid guid = new Guid (projectReferenceGuid);
 235                                                 projectInfos.TryGetValue (guid, out info);
 236                                                 if (info == null && unsupportedProjectInfos.TryGetValue (guid, out info)) {
 237                                                         RaiseWarning (0, String.Format (
 238                                                                         "{0}: ProjectReference '{1}' is of an unsupported type. Ignoring.",
 239                                                                         filename, bi.Include));
 240                                                         continue;
 241                                                 }
 242                                         }
 243
 244                                         if (info == null || !hasGuid) {
 245                                                 // Project not found by guid or guid not available
 246                                                 // Try to find by project file
 247
 248                                                 string fullpath = Path.GetFullPath (Path.Combine (projectDir, bi.Include.Replace ('\\', Path.DirectorySeparatorChar)));
 249                                                 info = projectInfos.Values.FirstOrDefault (pi => pi.FileName == fullpath);
 250
 251                                                 if (info == null) {
 252                                                         if (unsupportedProjectInfos.Values.Any (pi => pi.FileName == fullpath))
 253                                                                 RaiseWarning (0, String.Format (
 254                                                                                 "{0}: ProjectReference '{1}' is of an unsupported type. Ignoring.",
 255                                                                                 filename, bi.Include));
 256                                                         else
 257                                                                 RaiseWarning (0, String.Format (
 258                                                                                 "{0}: ProjectReference '{1}' not found, neither by guid '{2}' nor by project file name '{3}'.",
 259                                                                                 filename, bi.Include, projectReferenceGuid.Replace ("{", "").Replace ("}", ""), fullpath));
 260                                                 }
 261
 262                                         }
 263
 264                                         if (info != null)
 265                                                 projectInfo.Dependencies [info.Guid] = info;
 266                                 }
 267
 268                                 // unload the project after reading info from it
 269                                 // it'll be reloaded with proper context when building the solution
 270                                 p.ParentEngine.UnloadProject (currentProject);
 271                         }
 272
 273                         // fill in the project info for deps found in the .sln file
 274                         foreach (ProjectInfo projectInfo in projectInfos.Values) {
 275                                 List<Guid> missingInfos = new List<Guid> ();
 276                                 foreach (KeyValuePair<Guid, ProjectInfo> dependency in projectInfo.Dependencies) {
 277                                         if (dependency.Value == null)
 278                                                 missingInfos.Add (dependency.Key);
 279                                 }
 280
 281                                 foreach (Guid guid in missingInfos) {
 282                                         ProjectInfo info;
 283                                         if (projectInfos.TryGetValue (guid, out info))
 284                                                 projectInfo.Dependencies [guid] = info;
 285                                         else
 286                                                 projectInfo.Dependencies.Remove (guid);
 287                                 }
 288                         }
 289
 290                         Match globalMatch = globalRegex.Match (line);
 291                         Match globalSectionMatch = globalSectionRegex.Match (globalMatch.Groups[1].Value);
 292                         while (globalSectionMatch.Success) {
 293                                 string sectionType = globalSectionMatch.Groups[1].Value;
 294                                 switch (sectionType) {
 295                                         case "SolutionConfigurationPlatforms":
 296                                                 ParseSolutionConfigurationPlatforms (globalSectionMatch.Groups[2].Value, solutionTargets);
 297                                                 break;
 298                                         case "ProjectConfigurationPlatforms":
 299                                                 ParseProjectConfigurationPlatforms (globalSectionMatch.Groups[2].Value,
 300                                                                 projectInfos, websiteProjectInfos);
 301                                                 break;
 302                                         case "SolutionProperties":
 303                                                 ParseSolutionProperties (globalSectionMatch.Groups[2].Value);
 304                                                 break;
 305                                         case "NestedProjects":
 306                                                 break;
 307                                         case "MonoDevelopProperties":
 308                                                 break;
 309                                         default:
 310                                                 RaiseWarning (0, string.Format("Don't know how to handle GlobalSection {0}, Ignoring.", sectionType));
 311                                                 break;
 312                                 }
 313                                 globalSectionMatch = globalSectionMatch.NextMatch ();
 314                         }
 315
 316                         int num_levels = AddBuildLevels (p, solutionTargets, projectInfos, ref infosByLevel);
 317
 318                         AddCurrentSolutionConfigurationContents (p, solutionTargets, projectInfos, websiteProjectInfos);
 319                         AddProjectReferences (p, projectInfos);
 320                         AddWebsiteProperties (p, websiteProjectInfos, projectInfos);
 321                         AddValidateSolutionConfiguration (p);
 322
 323                         EmitAfterImports (p, file);
 324
 325                         AddGetFrameworkPathTarget (p);
 326                         AddWebsiteTargets (p, websiteProjectInfos, projectInfos, infosByLevel, solutionTargets);
 327                         AddProjectTargets (p, solutionTargets, projectInfos);
 328                         AddSolutionTargets (p, num_levels, websiteProjectInfos.Values);
 329                 }
 330
 331                 string GetSlnFileVersion (StreamReader reader)
 332                 {
 333                         string strInput = null;
 334                         Match match;
 335
 336                         strInput = reader.ReadLine();
 337                         if (strInput == null)
 338                                 return null;
 339
 340                         match = slnVersionRegex.Match(strInput);
 341                         if (!match.Success) {
 342                                 strInput = reader.ReadLine();
 343                                 if (strInput == null)
 344                                         return null;
 345                                 match = slnVersionRegex.Match (strInput);
 346                         }
 347
 348                         if (match.Success)
 349                                 return match.Groups[1].Value;
 350
 351                         return null;
 352                 }
 353
 354                 void EmitBeforeImports (Project p, string file)
 355                 {
 356 #if NET_4_0
 357                         p.AddNewImport ("$(MSBuildExtensionsPath)\\$(MSBuildToolsVersion)\\SolutionFile\\ImportBefore\\*",
 358                                         "'$(ImportByWildcardBeforeSolution)' != 'false' and " +
 359                                         "Exists('$(MSBuildExtensionsPath)\\$(MSBuildToolsVersion)\\SolutionFile\\ImportBefore')");
 360 #endif
 361
 362                         string before_filename = Path.Combine (Path.GetDirectoryName (file), "before." + Path.GetFileName (file) + ".targets");
 363                         p.AddNewImport (before_filename, String.Format ("Exists ('{0}')", before_filename));
 364                 }
 365
 366                 void EmitAfterImports (Project p, string file)
 367                 {
 368 #if NET_4_0
 369                         p.AddNewImport ("$(MSBuildExtensionsPath)\\$(MSBuildToolsVersion)\\SolutionFile\\ImportAfter\\*",
 370                                         "'$(ImportByWildcardAfterSolution)' != 'false' and " +
 371                                         "Exists('$(MSBuildExtensionsPath)\\$(MSBuildToolsVersion)\\SolutionFile\\ImportAfter')");
 372 #endif
 373
 374                         string after_filename = Path.Combine (Path.GetDirectoryName (file), "after." + Path.GetFileName (file) + ".targets");
 375                         p.AddNewImport (after_filename, String.Format ("Exists ('{0}')", after_filename));
 376                 }
 377
 378                 void AddGeneralSettings (string solutionFile, Project p)
 379                 {
 380                         p.DefaultTargets = "Build";
 381                         p.InitialTargets = "ValidateSolutionConfiguration";
 382                         p.AddNewUsingTaskFromAssemblyName ("CreateTemporaryVCProject", "Microsoft.Build.Tasks, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
 383                         p.AddNewUsingTaskFromAssemblyName ("ResolveVCProjectOutput", "Microsoft.Build.Tasks, Version=2.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a");
 384
 385                         string solutionFilePath = Path.GetFullPath (solutionFile);
 386                         BuildPropertyGroup solutionPropertyGroup = p.AddNewPropertyGroup (true);
 387                         solutionPropertyGroup.AddNewProperty ("SolutionDir", Path.GetDirectoryName (solutionFilePath) + Path.DirectorySeparatorChar);
 388                         solutionPropertyGroup.AddNewProperty ("SolutionExt", Path.GetExtension (solutionFile));
 389                         solutionPropertyGroup.AddNewProperty ("SolutionFileName", Path.GetFileName (solutionFile));
 390                         solutionPropertyGroup.AddNewProperty ("SolutionName", Path.GetFileNameWithoutExtension (solutionFile));
 391                         solutionPropertyGroup.AddNewProperty ("SolutionPath", solutionFilePath);
 392                 }
 393
 394                 void ParseSolutionConfigurationPlatforms (string section, List<TargetInfo> solutionTargets)
 395                 {
 396                         Match solutionConfigurationPlatform = solutionConfigurationRegex.Match (section);
 397                         while (solutionConfigurationPlatform.Success) {
 398                                 string solutionConfiguration = solutionConfigurationPlatform.Groups[1].Value;
 399                                 string solutionPlatform = solutionConfigurationPlatform.Groups[2].Value;
 400                                 solutionTargets.Add (new TargetInfo (solutionConfiguration, solutionPlatform));
 401                                 solutionConfigurationPlatform = solutionConfigurationPlatform.NextMatch ();
 402                         }
 403                 }
 404
 405                 // ignores the website projects, in the websiteProjectInfos
 406                 void ParseProjectConfigurationPlatforms (string section, Dictionary<Guid, ProjectInfo> projectInfos,
 407                                 Dictionary<Guid, ProjectInfo> websiteProjectInfos)
 408                 {
 409                         List<Guid> missingGuids = new List<Guid> ();
 410                         Match projectConfigurationPlatform = projectConfigurationActiveCfgRegex.Match (section);
 411                         while (projectConfigurationPlatform.Success) {
 412                                 Guid guid = new Guid (projectConfigurationPlatform.Groups[1].Value);
 413                                 ProjectInfo projectInfo;
 414                                 if (!projectInfos.TryGetValue (guid, out projectInfo)) {
 415                                         if (!missingGuids.Contains (guid)) {
 416                                                 if (!websiteProjectInfos.ContainsKey (guid))
 417                                                         // ignore website projects
 418                                                         RaiseWarning (0, string.Format("Failed to find project {0}", guid));
 419                                                 missingGuids.Add (guid);
 420                                         }
 421                                         projectConfigurationPlatform = projectConfigurationPlatform.NextMatch ();
 422                                         continue;
 423                                 }
 424                                 string solConf = projectConfigurationPlatform.Groups[2].Value;
 425                                 string solPlat = projectConfigurationPlatform.Groups[3].Value;
 426                                 string projConf = projectConfigurationPlatform.Groups[4].Value;
 427                                 string projPlat = projectConfigurationPlatform.Groups[5].Value;
 428                                 // hack, what are they doing here?
 429                                 if (projPlat == "Any CPU")
 430                                         projPlat = "AnyCPU";
 431                                 projectInfo.TargetMap.Add (new TargetInfo (solConf, solPlat), new TargetInfo (projConf, projPlat));
 432                                 projectConfigurationPlatform = projectConfigurationPlatform.NextMatch ();
 433                         }
 434                         Match projectConfigurationPlatformBuild = projectConfigurationBuildRegex.Match (section);
 435                         while (projectConfigurationPlatformBuild.Success) {
 436                                 Guid guid = new Guid (projectConfigurationPlatformBuild.Groups[1].Value);
 437                                 ProjectInfo projectInfo;
 438                                 if (!projectInfos.TryGetValue (guid, out projectInfo)) {
 439                                         if (!missingGuids.Contains (guid)) {
 440                                                 RaiseWarning (0, string.Format("Failed to find project {0}", guid));
 441                                                 missingGuids.Add (guid);
 442                                         }
 443                                         projectConfigurationPlatformBuild = projectConfigurationPlatformBuild.NextMatch ();
 444                                         continue;
 445                                 }
 446                                 string solConf = projectConfigurationPlatformBuild.Groups[2].Value;
 447                                 string solPlat = projectConfigurationPlatformBuild.Groups[3].Value;
 448                                 string projConf = projectConfigurationPlatformBuild.Groups[4].Value;
 449                                 string projPlat = projectConfigurationPlatformBuild.Groups[5].Value;
 450                                 // hack, what are they doing here?
 451                                 if (projPlat == "Any CPU")
 452                                         projPlat = "AnyCPU";
 453                                 projectInfo.TargetMap[new TargetInfo (solConf, solPlat)] = new TargetInfo (projConf, projPlat, true);
 454                                 projectConfigurationPlatformBuild = projectConfigurationPlatformBuild.NextMatch ();
 455                         }
 456                 }
 457
 458                 void ParseSolutionProperties (string section)
 459                 {
 460                 }
 461
 462                 void AddCurrentSolutionConfigurationContents (Project p, List<TargetInfo> solutionTargets,
 463                                 Dictionary<Guid, ProjectInfo> projectInfos,
 464                                 Dictionary<Guid, ProjectInfo> websiteProjectInfos)
 465                 {
 466                         TargetInfo default_target_info = new TargetInfo ("Debug", "Any CPU");
 467                         if (solutionTargets.Count > 0) {
 468                                 bool found = false;
 469                                 foreach (TargetInfo tinfo in solutionTargets) {
 470                                         if (String.Compare (tinfo.Platform, "Mixed Platforms") == 0) {
 471                                                 default_target_info = tinfo;
 472                                                 found = true;
 473                                                 break;
 474                                         }
 475                                 }
 476
 477                                 if (!found)
 478                                         default_target_info = solutionTargets [0];
 479                         }
 480
 481                         AddDefaultSolutionConfiguration (p, default_target_info);
 482
 483                         foreach (TargetInfo solutionTarget in solutionTargets) {
 484                                 BuildPropertyGroup platformPropertyGroup = p.AddNewPropertyGroup (false);
 485                                 platformPropertyGroup.Condition = string.Format (
 486                                         " ('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}') ",
 487                                         solutionTarget.Configuration,
 488                                         solutionTarget.Platform
 489                                         );
 490
 491                                 StringBuilder solutionConfigurationContents = new StringBuilder ();
 492                                 solutionConfigurationContents.Append ("<SolutionConfiguration xmlns=\"\">");
 493                                 foreach (KeyValuePair<Guid, ProjectInfo> projectInfo in projectInfos) {
 494                                         AddProjectConfigurationItems (projectInfo.Key, projectInfo.Value, solutionTarget, solutionConfigurationContents);
 495                                 }
 496                                 solutionConfigurationContents.Append ("</SolutionConfiguration>");
 497
 498                                 platformPropertyGroup.AddNewProperty ("CurrentSolutionConfigurationContents",
 499                                                 solutionConfigurationContents.ToString ());
 500                         }
 501                 }
 502
 503                 void AddProjectReferences (Project p, Dictionary<Guid, ProjectInfo> projectInfos)
 504                 {
 505                         BuildItemGroup big = p.AddNewItemGroup ();
 506                         foreach (KeyValuePair<Guid, ProjectInfo> pair in projectInfos)
 507                                 big.AddNewItem ("ProjectReference", pair.Value.FileName);
 508                 }
 509
 510                 void AddProjectConfigurationItems (Guid guid, ProjectInfo projectInfo, TargetInfo solutionTarget,
 511                                 StringBuilder solutionConfigurationContents)
 512                 {
 513                         foreach (KeyValuePair<TargetInfo, TargetInfo> targetInfo in projectInfo.TargetMap) {
 514                                 if (solutionTarget.Configuration == targetInfo.Key.Configuration &&
 515                                                 solutionTarget.Platform == targetInfo.Key.Platform) {
 516                                         solutionConfigurationContents.AppendFormat (
 517                                                         "<ProjectConfiguration Project=\"{0}\">{1}|{2}</ProjectConfiguration>",
 518                                         guid.ToString ("B").ToUpper (), targetInfo.Value.Configuration, targetInfo.Value.Platform);
 519                                 }
 520                         }
 521                 }
 522
 523                 void AddDefaultSolutionConfiguration (Project p, TargetInfo target)
 524                 {
 525                         BuildPropertyGroup configurationPropertyGroup = p.AddNewPropertyGroup (true);
 526                         configurationPropertyGroup.Condition = " '$(Configuration)' == '' ";
 527                         configurationPropertyGroup.AddNewProperty ("Configuration", target.Configuration);
 528
 529                         BuildPropertyGroup platformPropertyGroup = p.AddNewPropertyGroup (true);
 530                         platformPropertyGroup.Condition = " '$(Platform)' == '' ";
 531                         platformPropertyGroup.AddNewProperty ("Platform", target.Platform);
 532
 533                         // emit default for AspNetConfiguration also
 534                         BuildPropertyGroup aspNetConfigurationPropertyGroup = p.AddNewPropertyGroup (true);
 535                         aspNetConfigurationPropertyGroup.Condition = " ('$(AspNetConfiguration)' == '') ";
 536                         aspNetConfigurationPropertyGroup.AddNewProperty ("AspNetConfiguration", "$(Configuration)");
 537                 }
 538
 539                 void AddWarningForMissingProjectConfiguration (Target target, string slnConfig, string slnPlatform, string projectName)
 540                 {
 541                         BuildTask task = target.AddNewTask ("Warning");
 542                         task.SetParameterValue ("Text",
 543                                         String.Format ("The project configuration for project '{0}' corresponding " +
 544                                                 "to the solution configuration '{1}|{2}' was not found in the solution file.",
 545                                                 projectName, slnConfig, slnPlatform));
 546                         task.Condition = String.Format ("('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}')",
 547                                                 slnConfig, slnPlatform);
 548
 549                 }
 550
 551                 // Website project methods
 552
 553                 void AddWebsiteProperties (Project p, Dictionary<Guid, ProjectInfo> websiteProjectInfos,
 554                                 Dictionary<Guid, ProjectInfo> projectInfos)
 555                 {
 556                         var propertyGroupByConfig = new Dictionary<string, BuildPropertyGroup> ();
 557                         foreach (KeyValuePair<Guid, ProjectInfo> infoPair in websiteProjectInfos) {
 558                                 ProjectInfo info = infoPair.Value;
 559                                 string projectGuid = infoPair.Key.ToString ();
 560
 561                                 ProjectSection section;
 562                                 if (!info.ProjectSections.TryGetValue ("WebsiteProperties", out section)) {
 563                                         RaiseWarning (0, String.Format ("Website project '{0}' does not have the required project section: WebsiteProperties. Ignoring project.", info.Name));
 564                                         return;
 565                                 }
 566
 567                                 //parse project references
 568                                 string [] ref_guids = null;
 569                                 string references;
 570                                 if (section.Properties.TryGetValue ("ProjectReferences", out references)) {
 571                                         ref_guids = references.Split (new char [] {';'}, StringSplitOptions.RemoveEmptyEntries);
 572                                         for (int i = 0; i < ref_guids.Length; i ++) {
 573                                                 // "{guid}|foo.dll"
 574                                                 ref_guids [i] = ref_guids [i].Split ('|') [0];
 575
 576                                                 Guid r_guid = new Guid (ref_guids [i]);
 577                                                 ProjectInfo ref_info;
 578                                                 if (projectInfos.TryGetValue (r_guid, out ref_info))
 579                                                         // ignore if not found
 580                                                         info.Dependencies [r_guid] = ref_info;
 581                                         }
 582                                 }
 583
 584                                 foreach (KeyValuePair<string, string> pair in section.Properties) {
 585                                         //looking for -- ConfigName.AspNetCompiler.PropName
 586                                         string [] parts = pair.Key.Split ('.');
 587                                         if (parts.Length != 3 || String.Compare (parts [1], "AspNetCompiler") != 0)
 588                                                 continue;
 589
 590                                         string config = parts [0];
 591                                         string propertyName = parts [2];
 592
 593                                         BuildPropertyGroup bpg;
 594                                         if (!propertyGroupByConfig.TryGetValue (config, out bpg)) {
 595                                                 bpg = p.AddNewPropertyGroup (true);
 596                                                 bpg.Condition = String.Format (" '$(AspNetConfiguration)' == '{0}' ", config);
 597                                                 propertyGroupByConfig [config] = bpg;
 598                                         }
 599
 600                                         bpg.AddNewProperty (String.Format ("Project_{0}_AspNet{1}", projectGuid, propertyName),
 601                                                                 pair.Value);
 602
 603                                         if (!info.AspNetConfigurations.Contains (config))
 604                                                 info.AspNetConfigurations.Add (config);
 605                                 }
 606                         }
 607                 }
 608
 609                 // For WebSite projects
 610                 // The main "Build" target:
 611                 //      1. builds all non-website projects
 612                 //      2. calls target for website project
 613                 //              - gets target path for the referenced projects
 614                 //              - Resolves dependencies, satellites etc for the
 615                 //                referenced project assemblies, and copies them
 616                 //                to bin/ folder
 617                 void AddWebsiteTargets (Project p, Dictionary<Guid, ProjectInfo> websiteProjectInfos,
 618                                 Dictionary<Guid, ProjectInfo> projectInfos, List<ProjectInfo>[] infosByLevel,
 619                                 List<TargetInfo> solutionTargets)
 620                 {
 621                         foreach (ProjectInfo w_info in websiteProjectInfos.Values) {
 622                                 // gets a linear list of dependencies
 623                                 List<ProjectInfo> depInfos = new List<ProjectInfo> ();
 624                                 foreach (List<ProjectInfo> pinfos in infosByLevel) {
 625                                         foreach (ProjectInfo pinfo in pinfos)
 626                                                 if (w_info.Dependencies.ContainsKey (pinfo.Guid))
 627                                                         depInfos.Add (pinfo);
 628                                 }
 629
 630                                 foreach (string buildTarget in new string [] {"Build", "Rebuild"})
 631                                         AddWebsiteTarget (p, w_info, projectInfos, depInfos, solutionTargets, buildTarget);
 632
 633                                 // clean/publish are not supported for website projects
 634                                 foreach (string buildTarget in new string [] {"Clean", "Publish"})
 635                                         AddWebsiteUnsupportedTarget (p, w_info, depInfos, buildTarget);
 636                         }
 637                 }
 638
 639                 void AddWebsiteTarget (Project p, ProjectInfo webProjectInfo,
 640                                 Dictionary<Guid, ProjectInfo> projectInfos, List<ProjectInfo> depInfos,
 641                                 List<TargetInfo> solutionTargets, string buildTarget)
 642                 {
 643                         string w_guid = webProjectInfo.Guid.ToString ().ToUpper ();
 644
 645                         Target target = p.Targets.AddNewTarget (GetTargetNameForProject (webProjectInfo.Name, buildTarget));
 646                         target.Condition = "'$(CurrentSolutionConfigurationContents)' != ''";
 647                         target.DependsOnTargets = GetWebsiteDependsOnTarget (depInfos, buildTarget);
 648
 649                         // this item collects all the references
 650                         string final_ref_item = String.Format ("Project_{0}_References{1}", w_guid,
 651                                                         buildTarget != "Build" ? "_" + buildTarget : String.Empty);
 652
 653                         foreach (TargetInfo targetInfo in solutionTargets) {
 654                                 int ref_num = 0;
 655                                 foreach (ProjectInfo depInfo in depInfos) {
 656                                         TargetInfo projectTargetInfo;
 657                                         if (!depInfo.TargetMap.TryGetValue (targetInfo, out projectTargetInfo))
 658                                                 // Ignore, no config, so no target path
 659                                                 continue;
 660
 661                                         // GetTargetPath from the referenced project
 662                                         AddWebsiteMSBuildTaskForReference (target, depInfo, projectTargetInfo, targetInfo,
 663                                                         final_ref_item, ref_num);
 664                                         ref_num ++;
 665                                 }
 666                         }
 667
 668                         // resolve the references
 669                         AddWebsiteResolveAndCopyReferencesTasks (target, webProjectInfo, final_ref_item, w_guid);
 670                 }
 671
 672                 // emits the MSBuild task to GetTargetPath for the referenced project
 673                 void AddWebsiteMSBuildTaskForReference (Target target, ProjectInfo depInfo, TargetInfo projectTargetInfo,
 674                                 TargetInfo solutionTargetInfo, string final_ref_item, int ref_num)
 675                 {
 676                         BuildTask task = target.AddNewTask ("MSBuild");
 677                         task.SetParameterValue ("Projects", depInfo.FileName);
 678                         task.SetParameterValue ("Targets", "GetTargetPath");
 679
 680                         task.SetParameterValue ("Properties", string.Format ("Configuration={0}; Platform={1}; BuildingSolutionFile=true; CurrentSolutionConfigurationContents=$(CurrentSolutionConfigurationContents); SolutionDir=$(SolutionDir); SolutionExt=$(SolutionExt); SolutionFileName=$(SolutionFileName); SolutionName=$(SolutionName); SolutionPath=$(SolutionPath)", projectTargetInfo.Configuration, projectTargetInfo.Platform));
 681                         task.Condition = string.Format (" ('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}') ", solutionTargetInfo.Configuration, solutionTargetInfo.Platform);
 682
 683                         string ref_item = String.Format ("{0}_{1}",
 684                                                 final_ref_item, ref_num);
 685
 686                         task.AddOutputItem ("TargetOutputs", ref_item);
 687
 688                         task = target.AddNewTask ("CreateItem");
 689                         task.SetParameterValue ("Include", String.Format ("@({0})", ref_item));
 690                         task.SetParameterValue ("AdditionalMetadata", String.Format ("Guid={{{0}}}",
 691                                                 depInfo.Guid.ToString ().ToUpper ()));
 692                         task.AddOutputItem ("Include", final_ref_item);
 693                 }
 694
 695                 void AddWebsiteResolveAndCopyReferencesTasks (Target target, ProjectInfo webProjectInfo,
 696                                 string final_ref_item, string w_guid)
 697                 {
 698                         BuildTask task = target.AddNewTask ("ResolveAssemblyReference");
 699                         task.SetParameterValue ("Assemblies", String.Format ("@({0}->'%(FullPath)')", final_ref_item));
 700                         task.SetParameterValue ("TargetFrameworkDirectories", "$(TargetFrameworkPath)");
 701                         task.SetParameterValue ("SearchPaths", "{RawFileName};{TargetFrameworkDirectory};{GAC}");
 702                         task.SetParameterValue ("FindDependencies", "true");
 703                         task.SetParameterValue ("FindSatellites", "true");
 704                         task.SetParameterValue ("FindRelatedFiles", "true");
 705                         task.Condition = String.Format ("Exists ('%({0}.Identity)')", final_ref_item);
 706
 707                         string copylocal_item = String.Format ("{0}_CopyLocalFiles", final_ref_item);
 708                         task.AddOutputItem ("CopyLocalFiles", copylocal_item);
 709
 710                         // Copy the references
 711                         task = target.AddNewTask ("Copy");
 712                         task.SetParameterValue ("SourceFiles", String.Format ("@({0})", copylocal_item));
 713                         task.SetParameterValue ("DestinationFiles", String.Format (
 714                                                 "@({0}->'$(Project_{1}_AspNetPhysicalPath)\\Bin\\%(DestinationSubDirectory)%(Filename)%(Extension)')",
 715                                                 copylocal_item, w_guid));
 716
 717                         // AspNetConfiguration, is config for the website project, useful
 718                         // for overriding from command line
 719                         StringBuilder cond = new StringBuilder ();
 720                         foreach (string config in webProjectInfo.AspNetConfigurations) {
 721                                 if (cond.Length > 0)
 722                                         cond.Append (" or ");
 723                                 cond.AppendFormat (" ('$(AspNetConfiguration)' == '{0}') ", config);
 724                         }
 725                         task.Condition = cond.ToString ();
 726
 727                         task = target.AddNewTask ("Message");
 728                         cond = new StringBuilder ();
 729                         foreach (string config in webProjectInfo.AspNetConfigurations) {
 730                                 if (cond.Length > 0)
 731                                         cond.Append (" and ");
 732                                 cond.AppendFormat (" ('$(AspNetConfiguration)' != '{0}') ", config);
 733                         }
 734                         task.Condition = cond.ToString ();
 735                         task.SetParameterValue ("Text", "Skipping as the '$(AspNetConfiguration)' configuration is " +
 736                                                 "not supported by this website project.");
 737                 }
 738
 739                 void AddWebsiteUnsupportedTarget (Project p, ProjectInfo webProjectInfo, List<ProjectInfo> depInfos,
 740                                 string buildTarget)
 741                 {
 742                         Target target = p.Targets.AddNewTarget (GetTargetNameForProject (webProjectInfo.Name, buildTarget));
 743                         target.DependsOnTargets = GetWebsiteDependsOnTarget (depInfos, buildTarget);
 744
 745                         BuildTask task = target.AddNewTask ("Message");
 746                         task.SetParameterValue ("Text", String.Format (
 747                                                 "Target '{0}' not support for website projects", buildTarget));
 748                 }
 749
 750                 string GetWebsiteDependsOnTarget (List<ProjectInfo> depInfos, string buildTarget)
 751                 {
 752                         StringBuilder deps = new StringBuilder ();
 753                         foreach (ProjectInfo pinfo in depInfos) {
 754                                 if (deps.Length > 0)
 755                                         deps.Append (";");
 756                                 deps.Append (GetTargetNameForProject (pinfo.Name, buildTarget));
 757                         }
 758                         deps.Append (";GetFrameworkPath");
 759                         return deps.ToString ();
 760                 }
 761
 762                 void AddGetFrameworkPathTarget (Project p)
 763                 {
 764                         Target t = p.Targets.AddNewTarget ("GetFrameworkPath");
 765                         BuildTask task = t.AddNewTask ("GetFrameworkPath");
 766                         task.AddOutputProperty ("Path", "TargetFrameworkPath");
 767                 }
 768
 769                 void AddValidateSolutionConfiguration (Project p)
 770                 {
 771                         Target t = p.Targets.AddNewTarget ("ValidateSolutionConfiguration");
 772                         BuildTask task = t.AddNewTask ("Warning");
 773                         task.SetParameterValue ("Text", "On windows, an environment variable 'Platform' is set to MCD sometimes, and this overrides the Platform property" +
 774                                                 " for xbuild, which could be an invalid Platform for this solution file. And so you are getting the following error." +
 775                                                 " You could override it by either setting the environment variable to nothing, as\n" +
 776                                                 "   set Platform=\n" +
 777                                                 "Or explicity specify its value on the command line, as\n" +
 778                                                 "   xbuild Foo.sln /p:Platform=Release");
 779                         task.Condition = "('$(CurrentSolutionConfigurationContents)' == '') and ('$(SkipInvalidConfigurations)' != 'true')" +
 780                                         " and '$(Platform)' == 'MCD' and '$(OS)' == 'Windows_NT'";
 781
 782                         task = t.AddNewTask ("Error");
 783                         task.SetParameterValue ("Text", "Invalid solution configuration and platform: \"$(Configuration)|$(Platform)\".");
 784                         task.Condition = "('$(CurrentSolutionConfigurationContents)' == '') and ('$(SkipInvalidConfigurations)' != 'true')";
 785                         task = t.AddNewTask ("Warning");
 786                         task.SetParameterValue ("Text", "Invalid solution configuration and platform: \"$(Configuration)|$(Platform)\".");
 787                         task.Condition = "('$(CurrentSolutionConfigurationContents)' == '') and ('$(SkipInvalidConfigurations)' == 'true')";
 788                         task = t.AddNewTask ("Message");
 789                         task.SetParameterValue ("Text", "Building solution configuration \"$(Configuration)|$(Platform)\".");
 790                         task.Condition = "'$(CurrentSolutionConfigurationContents)' != ''";
 791                 }
 792
 793                 void AddProjectTargets (Project p, List<TargetInfo> solutionTargets, Dictionary<Guid, ProjectInfo> projectInfos)
 794                 {
 795                         foreach (KeyValuePair<Guid, ProjectInfo> projectInfo in projectInfos) {
 796                                 ProjectInfo project = projectInfo.Value;
 797                                 foreach (string buildTarget in buildTargets) {
 798                                         string target_name = GetTargetNameForProject (project.Name, buildTarget);
 799                                         bool is_build_or_rebuild = buildTarget == "Build" || buildTarget == "Rebuild";
 800                                         Target target = p.Targets.AddNewTarget (target_name);
 801                                         target.Condition = "'$(CurrentSolutionConfigurationContents)' != ''";
 802
 803                                         if (is_build_or_rebuild)
 804                                                 target.Outputs = "@(CollectedBuildOutput)";
 805                                         if (project.Dependencies.Count > 0)
 806                                                 target.DependsOnTargets = String.Join (";",
 807                                                                 project.Dependencies.Values.Select (
 808                                                                         di => GetTargetNameForProject (di.Name, buildTarget)).ToArray ());
 809
 810                                         foreach (TargetInfo targetInfo in solutionTargets) {
 811                                                 BuildTask task = null;
 812                                                 TargetInfo projectTargetInfo;
 813                                                 if (!project.TargetMap.TryGetValue (targetInfo, out projectTargetInfo)) {
 814                                                         AddWarningForMissingProjectConfiguration (target, targetInfo.Configuration,
 815                                                                         targetInfo.Platform, project.Name);
 816                                                         continue;
 817                                                 }
 818                                                 if (projectTargetInfo.Build) {
 819                                                         task = target.AddNewTask ("MSBuild");
 820                                                         task.SetParameterValue ("Projects", project.FileName);
 821                                                         task.SetParameterValue ("ToolsVersion", "$(ProjectToolsVersion)");
 822                                                         if (is_build_or_rebuild)
 823                                                                 task.AddOutputItem ("TargetOutputs", "CollectedBuildOutput");
 824
 825                                                         if (buildTarget != "Build")
 826                                                                 task.SetParameterValue ("Targets", buildTarget);
 827                                                         task.SetParameterValue ("Properties", string.Format ("Configuration={0}; Platform={1}; BuildingSolutionFile=true; CurrentSolutionConfigurationContents=$(CurrentSolutionConfigurationContents); SolutionDir=$(SolutionDir); SolutionExt=$(SolutionExt); SolutionFileName=$(SolutionFileName); SolutionName=$(SolutionName); SolutionPath=$(SolutionPath)", projectTargetInfo.Configuration, projectTargetInfo.Platform));
 828                                                 } else {
 829                                                         task = target.AddNewTask ("Message");
 830                                                         task.SetParameterValue ("Text", string.Format ("Project \"{0}\" is disabled for solution configuration \"{1}|{2}\".", project.Name, targetInfo.Configuration, targetInfo.Platform));
 831                                                 }
 832                                                 task.Condition = string.Format (" ('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}') ", targetInfo.Configuration, targetInfo.Platform);
 833                                         }
 834                                 }
 835                         }
 836                 }
 837
 838
 839                 string GetTargetNameForProject (string projectName, string buildTarget)
 840                 {
 841                         //FIXME: hack
 842                         projectName = projectName.Replace ("\\", "/").Replace (".", "_");
 843                         string target_name = projectName +
 844                                         (buildTarget == "Build" ? string.Empty : ":" + buildTarget);
 845
 846                         if (IsBuildTargetName (projectName))
 847                                 target_name = "Solution:" + target_name;
 848
 849                         return target_name;
 850                 }
 851
 852                 bool IsBuildTargetName (string name)
 853                 {
 854                         foreach (string tgt in buildTargets)
 855                                 if (name == tgt)
 856                                         return true;
 857                         return false;
 858                 }
 859
 860                 // returns number of levels
 861                 int AddBuildLevels (Project p, List<TargetInfo> solutionTargets, Dictionary<Guid, ProjectInfo> projectInfos,
 862                                 ref List<ProjectInfo>[] infosByLevel)
 863                 {
 864                         infosByLevel = TopologicalSort<ProjectInfo> (projectInfos.Values);
 865
 866                         foreach (TargetInfo targetInfo in solutionTargets) {
 867                                 BuildItemGroup big = p.AddNewItemGroup ();
 868                                 big.Condition = String.Format (" ('$(Configuration)' == '{0}') and ('$(Platform)' == '{1}') ",
 869                                                 targetInfo.Configuration, targetInfo.Platform);
 870
 871                                 //FIXME: every level has projects that can be built in parallel.
 872                                 //       levels are ordered on the basis of the dependency graph
 873
 874                                 for (int i = 0; i < infosByLevel.Length; i ++) {
 875                                         string build_level = String.Format ("BuildLevel{0}", i);
 876                                         string skip_level = String.Format ("SkipLevel{0}", i);
 877                                         string missing_level = String.Format ("MissingConfigLevel{0}", i);
 878
 879                                         foreach (ProjectInfo projectInfo in infosByLevel [i]) {
 880                                                 TargetInfo projectTargetInfo;
 881                                                 if (!projectInfo.TargetMap.TryGetValue (targetInfo, out projectTargetInfo)) {
 882                                                         // missing project config
 883                                                         big.AddNewItem (missing_level, projectInfo.Name);
 884                                                         continue;
 885                                                 }
 886
 887                                                 if (projectTargetInfo.Build) {
 888                                                         BuildItem item = big.AddNewItem (build_level, projectInfo.FileName);
 889                                                         item.SetMetadata ("Configuration", projectTargetInfo.Configuration);
 890                                                         item.SetMetadata ("Platform", projectTargetInfo.Platform);
 891                                                 } else {
 892                                                         // build disabled
 893                                                         big.AddNewItem (skip_level, projectInfo.Name);
 894                                                 }
 895                                         }
 896                                 }
 897                         }
 898
 899                         return infosByLevel.Length;
 900                 }
 901
 902                 void AddSolutionTargets (Project p, int num_levels, IEnumerable<ProjectInfo> websiteProjectInfos)
 903                 {
 904                         foreach (string buildTarget in buildTargets) {
 905                                 Target t = p.Targets.AddNewTarget (buildTarget);
 906                                 bool is_build_or_rebuild = buildTarget == "Build" || buildTarget == "Rebuild";
 907
 908                                 t.Condition = "'$(CurrentSolutionConfigurationContents)' != ''";
 909                                 if (is_build_or_rebuild)
 910                                         t.Outputs = "@(CollectedBuildOutput)";
 911
 912                                 BuildTask task = null;
 913                                 for (int i = 0; i < num_levels; i ++) {
 914                                         string level_str = String.Format ("BuildLevel{0}", i);
 915                                         task = t.AddNewTask ("MSBuild");
 916                                         task.SetParameterValue ("Condition", String.Format ("'@({0})' != ''", level_str));
 917                                         task.SetParameterValue ("Projects", String.Format ("@({0})", level_str));
 918                                         task.SetParameterValue ("ToolsVersion", "$(ProjectToolsVersion)");
 919                                         task.SetParameterValue ("Properties",
 920                                                 string.Format ("Configuration=%(Configuration); Platform=%(Platform); BuildingSolutionFile=true; CurrentSolutionConfigurationContents=$(CurrentSolutionConfigurationContents); SolutionDir=$(SolutionDir); SolutionExt=$(SolutionExt); SolutionFileName=$(SolutionFileName); SolutionName=$(SolutionName); SolutionPath=$(SolutionPath)"));
 921                                         if (buildTarget != "Build")
 922                                                 task.SetParameterValue ("Targets", buildTarget);
 923                                         //FIXME: change this to BuildInParallel=true, when parallel
 924                                         //       build support gets added
 925                                         task.SetParameterValue ("RunEachTargetSeparately", "true");
 926                                         if (is_build_or_rebuild)
 927                                                 task.AddOutputItem ("TargetOutputs", "CollectedBuildOutput");
 928
 929                                         level_str = String.Format ("SkipLevel{0}", i);
 930                                         task = t.AddNewTask ("Message");
 931                                         task.Condition = String.Format ("'@({0})' != ''", level_str);
 932                                         task.SetParameterValue ("Text",
 933                                                 String.Format ("The project '%({0}.Identity)' is disabled for solution " +
 934                                                         "configuration '$(Configuration)|$(Platform)'.", level_str));
 935
 936                                         level_str = String.Format ("MissingConfigLevel{0}", i);
 937                                         task = t.AddNewTask ("Warning");
 938                                         task.Condition = String.Format ("'@({0})' != ''", level_str);
 939                                         task.SetParameterValue ("Text",
 940                                                 String.Format ("The project configuration for project '%({0}.Identity)' " +
 941                                                         "corresponding to the solution configuration " +
 942                                                         "'$(Configuration)|$(Platform)' was not found.", level_str));
 943                                 }
 944
 945                                 // "build" website projects also
 946                                 StringBuilder w_targets = new StringBuilder ();
 947                                 foreach (ProjectInfo info in websiteProjectInfos) {
 948                                         if (w_targets.Length > 0)
 949                                                 w_targets.Append (";");
 950                                         w_targets.Append (GetTargetNameForProject (info.Name, buildTarget));
 951                                 }
 952
 953                                 task = t.AddNewTask ("CallTarget");
 954                                 task.SetParameterValue ("Targets", w_targets.ToString ());
 955                                 task.SetParameterValue ("RunEachTargetSeparately", "true");
 956                         }
 957                 }
 958
 959                 // Sorts the ProjectInfo dependency graph, to obtain
 960                 // a series of build levels with projects. Projects
 961                 // in each level can be run parallel (no inter-dependency).
 962                 static List<T>[] TopologicalSort<T> (IEnumerable<T> items) where T: ProjectInfo
 963                 {
 964                         IList<T> allItems;
 965                         allItems = items as IList<T>;
 966                         if (allItems == null)
 967                                 allItems = new List<T> (items);
 968
 969                         bool[] inserted = new bool[allItems.Count];
 970                         bool[] triedToInsert = new bool[allItems.Count];
 971                         int[] levels = new int [allItems.Count];
 972
 973                         int maxdepth = 0;
 974                         for (int i = 0; i < allItems.Count; ++i) {
 975                                 int d = Insert<T> (i, allItems, levels, inserted, triedToInsert);
 976                                 if (d > maxdepth)
 977                                         maxdepth = d;
 978                         }
 979
 980                         // Separate out the project infos by build level
 981                         List<T>[] infosByLevel = new List<T>[maxdepth];
 982                         for (int i = 0; i < levels.Length; i ++) {
 983                                 int level = levels [i] - 1;
 984                                 if (infosByLevel [level] == null)
 985                                         infosByLevel [level] = new List<T> ();
 986
 987                                 infosByLevel [level].Add (allItems [i]);
 988                         }
 989
 990                         return infosByLevel;
 991                 }
 992
 993                 // returns level# for the project
 994                 static int Insert<T> (int index, IList<T> allItems, int[] levels, bool[] inserted, bool[] triedToInsert)
 995                         where T: ProjectInfo
 996                 {
 997                         if (inserted [index])
 998                                 return levels [index];
 999
1000                         if (triedToInsert[index])
1001                                 throw new InvalidOperationException (String.Format (
1002                                                 "Cyclic dependency involving project {0} found in the project dependency graph",
1003                                                 allItems [index].Name));
1004
1005                         triedToInsert[index] = true;
1006                         ProjectInfo insertItem = allItems[index];
1007
1008                         int maxdepth = 0;
1009                         foreach (ProjectInfo dependency in insertItem.Dependencies.Values) {
1010                                 for (int j = 0; j < allItems.Count; ++j) {
1011                                         ProjectInfo checkItem = allItems [j];
1012                                         if (dependency.FileName == checkItem.FileName) {
1013                                                 int d = Insert (j, allItems, levels, inserted, triedToInsert);
1014                                                 maxdepth = d > maxdepth ? d : maxdepth;
1015                                                 break;
1016                                         }
1017                                 }
1018                         }
1019                         levels [index] = maxdepth + 1;
1020                         inserted [index] = true;
1021
1022                         return levels [index];
1023                 }
1024
1025                 public static IEnumerable<string> GetAllProjectFileNames (string solutionFile)
1026                 {
1027                         StreamReader reader = new StreamReader (solutionFile);
1028                         string line = reader.ReadToEnd ();
1029                         line = line.Replace ("\r\n", "\n");
1030                         string soln_dir = Path.GetDirectoryName (solutionFile);
1031
1032                         Match m = projectRegex.Match (line);
1033                         while (m.Success) {
1034                                 if (String.Compare (m.Groups [1].Value, solutionFolderGuid,
1035                                                 StringComparison.InvariantCultureIgnoreCase) != 0)
1036                                         yield return Path.Combine (soln_dir, m.Groups [3].Value).Replace ("\\", "/");
1037
1038                                 m = m.NextMatch ();
1039                         }
1040                 }
1041         }
1042 }