1 files changed, 111 insertions, 0 deletions
diff --git a/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/BuiltInCodeDiagnosticProvider.cs b/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/BuiltInCodeDiagnosticProvider.cs
new file mode 100644
index 0000000000..bd00becc7c
--- /dev/null
+++ b/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/BuiltInCodeDiagnosticProvider.cs
@@ -0,0 +1,111 @@
+//
+// BuiltInCodeDiagnosticProvider.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 System.Linq;
+using System.Collections.Generic;
+using System.Threading;
+using MonoDevelop.CodeIssues;
+using MonoDevelop.Core;
+using System.Threading.Tasks;
+using MonoDevelop.Ide.Editor;
+using MonoDevelop.CodeActions;
+
+namespace MonoDevelop.CodeIssues
+{
+	
+	/// <summary>
+	/// Provides all IDE code diagnostics and fix provider.
+	/// (Scans the app domain for providers)
+	/// </summary>
+	class BuiltInCodeDiagnosticProvider : CodeDiagnosticProvider
+	{
+		readonly static Task<AnalyzersFromAssembly> builtInDiagnostics;
+
+		static BuiltInCodeDiagnosticProvider ()
+		{
+			builtInDiagnostics = Task.Run (() => {
+				var result = new AnalyzersFromAssembly ();
+				foreach (var asm in AppDomain.CurrentDomain.GetAssemblies()) {
+					try {
+						result.AddAssembly (asm);
+					} catch (Exception e) {
+						LoggingService.LogError ("error while loading diagnostics in " + asm.FullName, e);
+					}
+				}
+				return result;
+			});
+		}
+
+		internal static CodeDiagnosticDescriptor GetCodeDiagnosticDescriptor (string diagnosticId)
+		{
+			foreach (var builtInDescriptor in BuiltInCodeDiagnosticProvider.GetBuiltInCodeDiagnosticDecsriptorsAsync (null).Result) {
+				if (builtInDescriptor.GetProvider ().SupportedDiagnostics.Any (diagnostic => diagnosticId == diagnostic.Id))
+					return builtInDescriptor;
+			}
+			return null;
+		}
+
+		internal async static Task<IEnumerable<CodeDiagnosticDescriptor>> GetBuiltInCodeDiagnosticDecsriptorsAsync (string language, bool includeDisabledNodes = false, CancellationToken cancellationToken = default (CancellationToken))
+		{
+			builtInDiagnostics.Wait (cancellationToken);
+			var diags = await builtInDiagnostics;
+			var builtInCodeDiagnostics = diags.Analyzers;
+			if (string.IsNullOrEmpty (language))
+				return includeDisabledNodes ? builtInCodeDiagnostics : builtInCodeDiagnostics.Where (act => act.IsEnabled);
+			return includeDisabledNodes ? builtInCodeDiagnostics.Where (ca => ca.Languages.Contains (language)) : builtInCodeDiagnostics.Where (ca => ca.Languages.Contains (language) && ca.IsEnabled);
+		}
+
+		public async static Task<IEnumerable<CodeDiagnosticFixDescriptor>> GetBuiltInCodeFixDescriptorsAsync (string language, CancellationToken cancellationToken = default (CancellationToken))
+		{
+			var diags = await builtInDiagnostics.ConfigureAwait (false);
+			var builtInCodeFixes = diags.Fixes;
+			return string.IsNullOrEmpty (language) ? builtInCodeFixes : builtInCodeFixes.Where (cfp => cfp.Languages.Contains (language));
+		}
+
+		public async static Task<IEnumerable<CodeRefactoringDescriptor>> GetBuiltInCodeRefactoringDescriptorsAsync (string language, bool includeDisabledNodes = false, CancellationToken cancellationToken = default (CancellationToken))
+		{
+			var diags = await builtInDiagnostics.ConfigureAwait (false);
+			var builtInCodeFixes = diags.Refactorings;
+			return string.IsNullOrEmpty (language) ? builtInCodeFixes : builtInCodeFixes.Where (cfp => cfp.Language.Contains (language));
+		}
+
+		public override Task<IEnumerable<CodeDiagnosticFixDescriptor>> GetCodeFixDescriptorsAsync (DocumentContext document, string language, CancellationToken cancellationToken)
+		{
+			return GetBuiltInCodeFixDescriptorsAsync (language, cancellationToken);
+		}
+
+		public override Task<IEnumerable<CodeDiagnosticDescriptor>> GetCodeDiagnosticDescriptorsAsync (DocumentContext document, string language, CancellationToken cancellationToken)
+		{
+			return GetBuiltInCodeDiagnosticDecsriptorsAsync (language, false, cancellationToken);
+		}
+
+		public override Task<IEnumerable<CodeRefactoringDescriptor>> GetCodeRefactoringDescriptorsAsync (DocumentContext document, string language, CancellationToken cancellationToken = default (CancellationToken))
+		{
+			return GetBuiltInCodeRefactoringDescriptorsAsync (language, false, cancellationToken);
+		}
+	}
+}
+\ No newline at end of file