Rename ProjectBuildManager methods and fields involved in batch building for clarity

src/Workspaces/Core/MSBuild/MSBuild/Build/ProjectBuildManager.cs

@@ -44,13 +44,13 @@ internal class ProjectBuildManager
 
         private readonly ImmutableDictionary<string, string> _additionalGlobalProperties;
 
-        private MSB.Evaluation.ProjectCollection _projectCollection;
-        private MSBuildDiagnosticLogger _logger;
-        private bool _started;
+        private MSB.Evaluation.ProjectCollection _batchBuildProjectCollection;
+        private MSBuildDiagnosticLogger _batchBuildLogger;
+        private bool _batchBuildStarted;
 
         ~ProjectBuildManager()
         {
-            if (_started)
+            if (_batchBuildStarted)
             {
                 new InvalidOperationException("ProjectBuilderManager.Stop() not called.");
             }
@@ -104,9 +104,9 @@ public ProjectBuildManager(ImmutableDictionary<string, string> additionalGlobalP
         public Task<(MSB.Evaluation.Project project, DiagnosticLog log)> LoadProjectAsync(
             string path, CancellationToken cancellationToken)
         {
-            if (_started)
+            if (_batchBuildStarted)
             {
-                return LoadProjectAsync(path, _projectCollection, cancellationToken);
+                return LoadProjectAsync(path, _batchBuildProjectCollection, cancellationToken);
             }
             else
             {
@@ -126,7 +126,7 @@ public ProjectBuildManager(ImmutableDictionary<string, string> additionalGlobalP
         public async Task<string> TryGetOutputFilePathAsync(
             string path, CancellationToken cancellationToken)
         {
-            Debug.Assert(_started);
+            Debug.Assert(_batchBuildStarted);
 
             // This tries to get the project output path and retrieving the evaluated $(TargetPath) property.
 
@@ -134,35 +134,37 @@ public ProjectBuildManager(ImmutableDictionary<string, string> additionalGlobalP
             return project?.GetPropertyValue(PropertyNames.TargetPath);
         }
 
-        public void Start(IDictionary<string, string> globalProperties = null)
+        public bool BatchBuildStarted => _batchBuildStarted;
+
+        public void StartBatchBuild(IDictionary<string, string> globalProperties = null)
         {
-            if (_started)
+            if (_batchBuildStarted)
             {
                 throw new InvalidOperationException();
             }
 
             globalProperties = globalProperties ?? ImmutableDictionary<string, string>.Empty;
             var allProperties = s_defaultGlobalProperties.AddRange(globalProperties);
-            _projectCollection = new MSB.Evaluation.ProjectCollection(allProperties);
+            _batchBuildProjectCollection = new MSB.Evaluation.ProjectCollection(allProperties);
 
-            _logger = new MSBuildDiagnosticLogger()
+            _batchBuildLogger = new MSBuildDiagnosticLogger()
             {
                 Verbosity = MSB.Framework.LoggerVerbosity.Normal
             };
 
-            var buildParameters = new MSB.Execution.BuildParameters(_projectCollection)
+            var buildParameters = new MSB.Execution.BuildParameters(_batchBuildProjectCollection)
             {
-                Loggers = new MSB.Framework.ILogger[] { _logger }
+                Loggers = new MSB.Framework.ILogger[] { _batchBuildLogger }
             };
 
             MSB.Execution.BuildManager.DefaultBuildManager.BeginBuild(buildParameters);
 
-            _started = true;
+            _batchBuildStarted = true;
         }
 
-        public void Stop()
+        public void EndBatchBuild()
         {
-            if (!_started)
+            if (!_batchBuildStarted)
             {
                 throw new InvalidOperationException();
             }
@@ -170,16 +172,16 @@ public void Stop()
             MSB.Execution.BuildManager.DefaultBuildManager.EndBuild();
 
             // unload project so collection will release global strings
-            _projectCollection.UnloadAllProjects();
-            _projectCollection = null;
-            _logger = null;
-            _started = false;
+            _batchBuildProjectCollection.UnloadAllProjects();
+            _batchBuildProjectCollection = null;
+            _batchBuildLogger = null;
+            _batchBuildStarted = false;
         }
 
         public Task<MSB.Execution.ProjectInstance> BuildProjectAsync(
             MSB.Evaluation.Project project, DiagnosticLog log, CancellationToken cancellationToken)
         {
-            Debug.Assert(_started);
+            Debug.Assert(_batchBuildStarted);
 
             var targets = new[] { TargetNames.Compile, TargetNames.CoreCompile };
 
@@ -203,7 +205,7 @@ public void Stop()
                 }
             }
 
-            _logger.SetProjectAndLog(projectInstance.FullPath, log);
+            _batchBuildLogger.SetProjectAndLog(projectInstance.FullPath, log);
 
             var buildRequestData = new MSB.Execution.BuildRequestData(projectInstance, targets);
 

src/Workspaces/Core/MSBuild/MSBuild/MSBuildProjectLoader.Worker.cs

@@ -130,7 +130,7 @@ public async Task<ImmutableArray<ProjectInfo>> LoadAsync(CancellationToken cance
                 var results = ImmutableArray.CreateBuilder<ProjectInfo>();
                 var processedPaths = new HashSet<string>(PathUtilities.Comparer);
 
-                _buildManager.Start(_globalProperties);
+                _buildManager.StartBatchBuild(_globalProperties);
                 try
                 {
                     foreach (var projectPath in _requestedProjectPaths)
@@ -171,7 +171,7 @@ public async Task<ImmutableArray<ProjectInfo>> LoadAsync(CancellationToken cance
                 }
                 finally
                 {
-                    _buildManager.Stop();
+                    _buildManager.EndBatchBuild();
                 }
             }
 

src/Workspaces/MSBuildTest/MSBuildWorkspaceTests.cs

@@ -3518,11 +3518,11 @@ public async Task TestOpenProject_CommandLineArgsHaveNoErrors()
                 var projectFilePath = GetSolutionFileName(@"CSharpProject\CSharpProject.csproj");
 
                 var buildManager = new ProjectBuildManager(ImmutableDictionary<string, string>.Empty);
-                buildManager.Start();
+                buildManager.StartBatchBuild();
 
                 var projectFile = await loader.LoadProjectFileAsync(projectFilePath, buildManager, CancellationToken.None);
                 var projectFileInfo = (await projectFile.GetProjectFileInfosAsync(CancellationToken.None)).Single();
-                buildManager.Stop();
+                buildManager.EndBatchBuild();
 
                 var commandLineParser = workspace.Services
                     .GetLanguageServices(loader.Language)