Added custom and unity builtin analyzers to csproj

Author: mifreundorfer

Editor/ProjectGeneration/ProjectGeneration.cs

@@ -510,7 +510,9 @@ List<ResponseFileData> responseFilesData
 
             targetFrameWork.Value = GetTargetFrameworkVersion(netSettings);
 
-            AddCommonProperties(assembly, responseFilesData, project);
+            var otherArguments = GetOtherArgumentsFromResponseFilesData(responseFilesData);
+
+            AddCommonProperties(assembly, responseFilesData, project, otherArguments);
 
             // we have source files
             if (assembly.sourceFiles.Length != 0)
@@ -595,6 +597,19 @@ Assembly reference in assembly.assemblyReferences.Where(
                 project.Add(assemblyRefItemGroup);
             }
 
+            {
+                var analyzersRefItemGroup = new XElement("ItemGroup");
+
+                var analyzers = RetrieveRoslynAnalyzers(assembly, otherArguments);
+                foreach (var item in analyzers)
+                {
+                    analyzersRefItemGroup.Add(new XElement("Analyzer",
+                        new XAttribute("Include", item)));
+                }
+
+                project.Add(analyzersRefItemGroup);
+            }
+
             if (
                 m_AssemblyNameProvider.ProjectGenerationFlag.HasFlag(
                     ProjectGenerationFlag.Analyzers
@@ -749,11 +764,10 @@ static string HandleEditorReference(string referencePath)
         private void AddCommonProperties(
             Assembly assembly,
             List<ResponseFileData> responseFilesData,
-            XElement builder
+            XElement builder,
+            ILookup<string, string> otherArguments
         )
         {
-            var otherArguments = GetOtherArgumentsFromResponseFilesData(responseFilesData);
-
             // Language version
             var langVersion = GenerateLangVersion(otherArguments["langversion"], assembly);
 
@@ -856,6 +870,16 @@ ILookup<string, string> otherResponseFilesData
                 .ToArray();
         }
 
+        string[] RetrieveRoslynAnalyzers(Assembly assembly, ILookup<string, string> otherArguments)
+        {
+            return otherArguments["analyzer"].Concat(otherArguments["a"])
+                .SelectMany(x => x.Split(';'))
+                .Concat(assembly.compilerOptions.RoslynAnalyzerDllPaths)
+                .Select(MakeAbsolutePath)
+                .Distinct()
+                .ToArray();
+        }
+
         private static string MakeAbsolutePath(string path)
         {
             return Path.IsPathRooted(path) ? path : Path.GetFullPath(path);