1 files changed, 108 insertions, 0 deletions
diff --git a/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/CodeDiagnosticRunner.cs b/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/CodeDiagnosticRunner.cs
new file mode 100644
index 0000000000..233ae1fc6f
--- /dev/null
+++ b/main/src/addins/MonoDevelop.Refactoring/MonoDevelop.CodeIssues/CodeDiagnosticRunner.cs
@@ -0,0 +1,108 @@
+// 
+// CodeAnalysisRunner.cs
+//  
+// Author:
+//       Mike Krüger <mkrueger@xamarin.com>
+// 
+// Copyright (c) 2012 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.
+//#define PROFILE
+using System;
+using System.Linq;
+using MonoDevelop.AnalysisCore;
+using System.Collections.Generic;
+using MonoDevelop.Ide.Gui;
+using System.Threading;
+using MonoDevelop.CodeIssues;
+using Microsoft.CodeAnalysis.Diagnostics;
+using Microsoft.CodeAnalysis.CodeFixes;
+using MonoDevelop.CodeActions;
+using MonoDevelop.Core;
+using MonoDevelop.AnalysisCore.Gui;
+using Microsoft.CodeAnalysis.CSharp;
+using Microsoft.CodeAnalysis;
+using System.Threading.Tasks;
+
+namespace MonoDevelop.CodeIssues
+{
+	static class CodeDiagnosticRunner
+	{
+		public static IEnumerable<Result> Check (AnalysisDocument analysisDocument, CancellationToken cancellationToken)
+		{
+			var input = analysisDocument.DocumentContext;
+			if (!AnalysisOptions.EnableFancyFeatures || input.Project == null || !input.IsCompileableInProject || input.AnalysisDocument == null)
+				return Enumerable.Empty<Result> ();
+			try {
+				var model = input.ParsedDocument.GetAst<SemanticModel> ();
+				if (model == null)
+					return Enumerable.Empty<Result> ();
+				var compilation = model.Compilation;
+				var language = CodeRefactoringService.MimeTypeToLanguage (analysisDocument.Editor.MimeType);
+
+				var providers = new List<DiagnosticAnalyzer> ();
+				var alreadyAdded = new HashSet<Type>();
+				var diagnostics = CodeRefactoringService.GetCodeDiagnosticsAsync (analysisDocument.DocumentContext, language, cancellationToken);
+				foreach (var diagnostic in diagnostics.Result) {
+					if (alreadyAdded.Contains (diagnostic.DiagnosticAnalyzerType))
+						continue;
+					alreadyAdded.Add (diagnostic.DiagnosticAnalyzerType);
+					var provider = diagnostic.GetProvider ();
+					providers.Add (provider);
+				}
+				if (providers.Count == 0 || cancellationToken.IsCancellationRequested)
+					return Enumerable.Empty<Result> ();
+				var localCompilation = CSharpCompilation.Create (
+					compilation.AssemblyName, 
+					new[] { model.SyntaxTree }, 
+					compilation.References, 
+					(CSharpCompilationOptions)compilation.Options
+				);
+
+				CompilationWithAnalyzers compilationWithAnalyzer;
+				try {
+					compilationWithAnalyzer = localCompilation.WithAnalyzers (System.Collections.Immutable.ImmutableArray<DiagnosticAnalyzer>.Empty.AddRange (providers), null, cancellationToken); 
+				} catch (Exception) {
+					return Enumerable.Empty<Result> ();
+				}
+
+				if (input.ParsedDocument == null || cancellationToken.IsCancellationRequested)
+					return Enumerable.Empty<Result> ();
+				var diagnosticList = new List<Diagnostic> ();
+				diagnosticList.AddRange (compilationWithAnalyzer.GetAnalyzerDiagnosticsAsync ().Result);
+				return diagnosticList
+					.Where (d => !d.Id.StartsWith("CS", StringComparison.Ordinal))
+					.Select (diagnostic => {
+						var res = new DiagnosticResult(diagnostic);
+						// var line = analysisDocument.Editor.GetLineByOffset (res.Region.Start);
+						// Console.WriteLine (diagnostic.Id + "/" + res.Region +"/" + analysisDocument.Editor.GetTextAt (line));
+						return res;
+					});
+			} catch (OperationCanceledException) {
+				return Enumerable.Empty<Result> ();
+			}  catch (AggregateException ae) {
+				ae.Flatten ().Handle (ix => ix is OperationCanceledException);
+				return Enumerable.Empty<Result> ();
+			} catch (Exception e) {
+				LoggingService.LogError ("Error while running diagnostics.", e); 
+				return Enumerable.Empty<Result> ();
+			}
+		}
+	}
+}
+\ No newline at end of file