parse solution folder files, if FULL_SLN_PARSER define

vendor/msbuild/src/Build/Construction/Solution/ProjectInSolution.cs

@@ -103,6 +103,10 @@ public sealed class ProjectInSolution
         private string _targetFrameworkMoniker; // used for website projects, since they don't have a project file in which the
                                                 // target framework is stored.  Defaults to .NETFX 3.5
 
+#if FULL_SLN_PARSER
+        private List<string> _folderFiles; // A list of name and path of files inside a solution folder
+#endif
+
         /// <summary>
         /// The project configuration in given solution configuration
         /// K: full solution configuration name (cfg + platform)
@@ -133,6 +137,10 @@ internal ProjectInSolution(SolutionFile solution)
             _aspNetConfigurations = new Hashtable(StringComparer.OrdinalIgnoreCase);
 
             _projectConfigurations = new Dictionary<string, ProjectConfigurationInSolution>(StringComparer.OrdinalIgnoreCase);
+
+#if FULL_SLN_PARSER
+            _folderFiles = new List<string>();
+#endif
         }
 
         #endregion
@@ -252,6 +260,16 @@ internal string TargetFrameworkMoniker
             set { _targetFrameworkMoniker = value; }
         }
 
+#if FULL_SLN_PARSER
+        /// <summary>
+        /// Only apply to solution folder
+        /// </summary>
+        public IReadOnlyList<string> FolderFiles
+        {
+            get { return _folderFiles.AsReadOnly(); }
+        }
+#endif
+
         #endregion
 
         #region Methods
@@ -411,6 +429,16 @@ internal void UpdateUniqueProjectName(string newUniqueName)
             _uniqueProjectName = newUniqueName;
         }
 
+#if FULL_SLN_PARSER
+        /// <summary>
+        /// Add the folder file.
+        /// </summary>
+        internal void AddFolderFile(string relativeFilePath)
+        {
+            _folderFiles.Add(relativeFilePath);
+        }
+#endif
+
         /// <summary>
         /// Cleanse the project name, by replacing characters like '@', '$' with '_'
         /// </summary>

vendor/msbuild/src/Build/Construction/Solution/SolutionFile.cs

@@ -799,6 +799,29 @@ private void ParseProject(string firstLine)
                         line = ReadLine();
                     }
                 }
+#if FULL_SLN_PARSER
+                else if (line.StartsWith("ProjectSection(SolutionItems)", StringComparison.Ordinal))
+                {
+                    // We have a SolutionItems section.  Each subsequent line should identify
+                    // a solution item.
+                    line = ReadLine();
+                    while ((line != null) && (!line.StartsWith("EndProjectSection", StringComparison.Ordinal)))
+                    {
+                        proj.ProjectType = SolutionProjectType.SolutionFolder;
+
+                        // This should be a dependency.  The GUID identifying the parent project should
+                        // be both the property name and the property value.
+                        Match match = s_crackPropertyLine.Value.Match(line);
+                        if (match.Success)
+                        {
+                            string relativeFilePath = match.Groups["PROPERTYNAME"].Value.Trim();
+                            proj.AddFolderFile(relativeFilePath);
+                        }
+
+                        line = ReadLine();
+                    }
+                }
+#endif
                 else if (line.StartsWith("ProjectSection(WebsiteProperties)", StringComparison.Ordinal))
                 {
                     // We have a WebsiteProperties section.  This section is present only in Venus