1 files changed, 104 insertions, 0 deletions
diff --git a/main/src/addins/MonoDevelop.PackageManagement/MonoDevelop.PackageManagement.Refactoring/PackageCodeDiagnosticProvider.cs b/main/src/addins/MonoDevelop.PackageManagement/MonoDevelop.PackageManagement.Refactoring/PackageCodeDiagnosticProvider.cs
new file mode 100644
index 0000000000..7601ee0c01
--- /dev/null
+++ b/main/src/addins/MonoDevelop.PackageManagement/MonoDevelop.PackageManagement.Refactoring/PackageCodeDiagnosticProvider.cs
@@ -0,0 +1,104 @@
+//
+// PackageCodeDiagnosticProvider.cs
+//
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+//
+// Copyright (c) 2015 Xamarin Inc. (http://xamarin.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using System;
+using MonoDevelop.CodeIssues;
+using ICSharpCode.PackageManagement;
+using MonoDevelop.Projects;
+using System.Linq;
+using System.IO;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Threading;
+using System.Threading.Tasks;
+using MonoDevelop.Ide.Editor;
+using MonoDevelop.Ide.TypeSystem;
+using MonoDevelop.Ide;
+
+namespace MonoDevelop.PackageManagement.Refactoring
+{
+	sealed class PackageCodeDiagnosticProvider : CodeDiagnosticProvider
+	{
+		static readonly Dictionary<Project, AnalyzersFromAssembly> diagnosticCache = new Dictionary<Project, AnalyzersFromAssembly> ();
+
+		static PackageCodeDiagnosticProvider ()
+		{
+			IdeApp.Workspace.SolutionUnloaded += delegate {
+				diagnosticCache.Clear ();
+			};
+			IdeApp.Workspace.ActiveConfigurationChanged += delegate {
+				diagnosticCache.Clear ();
+			};
+		}
+
+		public async override Task<IEnumerable<CodeDiagnosticFixDescriptor>> GetCodeFixDescriptorsAsync (DocumentContext document, string language, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			var diags = await GetProjectDiagnosticsAsync (document.Project, language, cancellationToken).ConfigureAwait (false);
+			return diags.Fixes;
+		}
+
+		public async override Task<IEnumerable<CodeDiagnosticDescriptor>> GetCodeDiagnosticDescriptorsAsync (DocumentContext document, string language, CancellationToken cancellationToken = default(CancellationToken))
+		{
+			var diags = await GetProjectDiagnosticsAsync (document.Project, language, cancellationToken).ConfigureAwait (false);
+			return diags.Analyzers;
+		}
+
+		public async override Task<IEnumerable<MonoDevelop.CodeActions.CodeRefactoringDescriptor>> GetCodeRefactoringDescriptorsAsync (DocumentContext document, string language, CancellationToken cancellationToken)
+		{
+			var diags = await GetProjectDiagnosticsAsync (document.Project, language, cancellationToken).ConfigureAwait (false);
+			return diags.Refactorings;
+		}
+
+		static Task<AnalyzersFromAssembly> GetProjectDiagnosticsAsync (Project project, string language, CancellationToken cancellationToken)
+		{
+			if (project == null)
+				return Task.FromResult (AnalyzersFromAssembly.Empty);
+			AnalyzersFromAssembly result;
+			if (diagnosticCache.TryGetValue(project, out result)) 
+				return Task.FromResult (result);
+
+			result = new AnalyzersFromAssembly ();
+
+			var dotNetProject = project as DotNetProject;
+			if (dotNetProject != null) {
+				var proxy = new DotNetProjectProxy (dotNetProject);
+				if (proxy.HasPackages ()) {
+					var packagesPath = new SolutionPackageRepositoryPath (proxy, PackageManagementServices.Options);
+					foreach (var file in Directory.EnumerateFiles (packagesPath.PackageRepositoryPath, "*.dll", SearchOption.AllDirectories)) {
+						cancellationToken.ThrowIfCancellationRequested ();
+						try {
+							var asm = Assembly.LoadFrom (file);
+							result.AddAssembly (asm);
+						} catch (Exception) {
+						}
+					}
+				}
+			}
+			diagnosticCache[project] = result;
+			return Task.FromResult (result);
+		}
+	}
+}
+\ No newline at end of file