Adding static analysis tool with dependency checker rules

tools/StaticAnalysis/AnalysisLogger.cs

@@ -0,0 +1,120 @@
+// ----------------------------------------------------------------------------------
+//
+// Copyright Microsoft Corporation
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ----------------------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using System.Text;
+
+namespace StaticAnalysis
+{
+    /// <summary>
+    /// Abstract class to implement the report logging structure
+    /// </summary>
+    public abstract class AnalysisLogger
+    {
+        string _baseDirectory;
+
+        /// <summary>
+        /// Create an analysis logger that will write reports to the given directory
+        /// </summary>
+        /// <param name="baseDirectory"></param>
+        public AnalysisLogger(string baseDirectory)
+        {
+            _baseDirectory = baseDirectory;
+        }
+
+        IList<ReportLogger> _loggers = new List<ReportLogger>();
+        protected virtual IList<ReportLogger> Loggers { get { return _loggers; } }
+
+        /// <summary>
+        /// Write an error report.
+        /// </summary>
+        /// <param name="error">The message to write</param>
+        public abstract void WriteError(string error);
+
+        public virtual void WriteError(string format, params object[] args)
+        {
+            WriteError(string.Format(format, args));
+        }
+
+        /// <summary>
+        /// Write an informational message.
+        /// </summary>
+        /// <param name="message">The message to write</param>
+        public abstract void WriteMessage(string message);
+
+        public virtual void WriteMessage(string format, params object[] args)
+        {
+            WriteMessage(string.Format(format, args));
+        }
+
+        /// <summary>
+        /// Write a warning.
+        /// </summary>
+        /// <param name="message">The warning text</param>
+        public abstract void WriteWarning(string message);
+
+        public virtual void WriteWarning(string format, params object[] args)
+        {
+            WriteWarning(string.Format(format, args));
+        }
+
+        /// <summary>
+        /// Write a report file to the given file, using the given file contents.
+        /// </summary>
+        /// <param name="name">The path to the file</param>
+        /// <param name="contents">The contents of the report</param>
+        public abstract void WriteReport(string name, string contents);
+
+        /// <summary>
+        /// Create a logger for a particular report
+        /// </summary>
+        /// <typeparam name="T">The type of records written to the log</typeparam>
+        /// <param name="fileName">The filename (without file path) where the report will be written</param>
+        /// <returns>The given logger.  Analyzer may write records to this logger and they will be written to 
+        /// the report file.</returns>
+        public virtual ReportLogger<T> CreateLogger<T>(string fileName) where T : IReportRecord, new()
+        {
+            if (string.IsNullOrWhiteSpace(fileName))
+            {
+                throw new ArgumentNullException("fileName");
+            }
+
+            var filePath = Path.Combine(_baseDirectory, fileName);
+            var logger = new ReportLogger<T>(filePath, this);
+            Loggers.Add(logger);
+            return logger;
+        }
+
+        /// <summary>
+        /// Write out the report files for each of the added report loggers.
+        /// </summary>
+        public void WriteReports()
+        {
+            foreach (var logger in Loggers.Where(l => l.Records.Any()))
+            {
+                StringBuilder reportText = new StringBuilder();
+                reportText.AppendLine(logger.Records.First().PrintHeaders());
+                foreach (var reportRecord in logger.Records)
+                {
+                    reportText.AppendLine(reportRecord.FormatRecord());
+                }
+
+                WriteReport(logger.FileName, reportText.ToString());
+            }
+        }
+    }
+}

tools/StaticAnalysis/ConsoleLogger.cs

@@ -0,0 +1,51 @@
+// ----------------------------------------------------------------------------------
+//
+// Copyright Microsoft Corporation
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ----------------------------------------------------------------------------------
+
+using System;
+using System.IO;
+
+namespace StaticAnalysis
+{
+    /// <summary>
+    /// Simple class for logging errors and warnings to the console and writing reports to the file system.
+    /// </summary>
+    public class ConsoleLogger : AnalysisLogger
+    {
+
+        public ConsoleLogger(string baseDirectory)
+            : base(baseDirectory)
+        {
+        }
+
+        public override void WriteError(string error)
+        {
+            Console.WriteLine("### ERROR {0}", error);
+        }
+
+        public override void WriteMessage(string message)
+        {
+            Console.WriteLine(message);
+        }
+
+        public override void WriteWarning(string message)
+        {
+            Console.WriteLine("Warning: {0}", message);
+        }
+
+        public override void WriteReport(string name, string records)
+        {
+            File.WriteAllText(name, records);
+        }
+    }
+}

tools/StaticAnalysis/Decorator.cs

@@ -0,0 +1,88 @@
+// ----------------------------------------------------------------------------------
+//
+// Copyright Microsoft Corporation
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ----------------------------------------------------------------------------------
+
+using System;
+
+namespace StaticAnalysis
+{
+    /// <summary>
+    /// Abstract class to implement the Decorator pattern
+    /// </summary>
+    /// <typeparam name="T"></typeparam>
+    public class Decorator<T>
+    {
+        Action<T> _action;
+        string _name;
+
+        protected Decorator(Action<T> action, string name)
+        {
+            _action = action;
+            _name = name;
+            Inner = null;
+        }
+
+        public static Decorator<T> Create()
+        {
+            return new Decorator<T>(r => { }, "default");
+        }
+
+        public void Apply(T record)
+        {
+            _action(record);
+            if (Inner != null)
+            {
+                Inner.Apply(record);
+            }
+        }
+
+        public void AddDecorator(Action<T> action, string name)
+        {
+            if (action == null)
+            {
+                throw new ArgumentNullException("action");
+            }
+
+            if (name == null)
+            {
+                throw new ArgumentNullException("name");
+            }
+
+            if (Inner == null)
+            {
+                Inner = new Decorator<T>(action, name);
+            }
+            else
+            {
+                Inner.AddDecorator(action, name);
+            }
+        }
+
+        public void Remove(string name)
+        {
+            if (Inner != null)
+            {
+                if (string.Equals(Inner._name, name))
+                {
+                    Inner = Inner.Inner;
+                }
+                else
+                {
+                    Inner.Remove(name);
+                }
+            }
+        }
+
+        protected Decorator<T> Inner { get; set; }
+    }
+}

tools/StaticAnalysis/DependencyAnalyzer/AssemblyLoader.cs

@@ -0,0 +1,101 @@
+// ----------------------------------------------------------------------------------
+//
+// Copyright Microsoft Corporation
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+// ----------------------------------------------------------------------------------
+
+using System;
+using System.Reflection;
+
+namespace StaticAnalysis.DependencyAnalyzer
+{
+    /// <summary>
+    /// A class using .Net Remoting to load assemblies and retrieve information in a separate app domain
+    /// </summary>
+    public class AssemblyLoader : MarshalByRefObject
+    {
+        /// <summary>
+        /// Load the assembly in the reflection context by name. Will succeed if the referenced assembly name can 
+        /// be found using default assembly loading rules (i.e. it is in the current directory or the GAC)
+        /// </summary>
+        /// <param name="assemblyName">The full name of the assembly</param>
+        /// <returns>Information on the given assembly, if it was loaded successfully, or null if there is an 
+        /// assembly loading issue. </returns>
+        public AssemblyMetadata GetReflectedAssemblyInfo(string assemblyName)
+        {
+            if (string.IsNullOrWhiteSpace(assemblyName))
+            {
+                throw new ArgumentException("assemblyName");
+            }
+
+            AssemblyMetadata result = null;
+            try
+            {
+                result = new AssemblyMetadata(Assembly.ReflectionOnlyLoad(assemblyName));
+            }
+            catch
+            {
+            }
+
+            return result;
+        }
+
+        /// <summary>
+        /// Load the assembly found at the given path in the reflection context and return assembly metadata
+        /// </summary>
+        /// <param name="assemblyPath">The full path to the assembly file.</param>
+        /// <returns>Assembly metadata if the assembly is loaded successfully, or null if there are load errors.</returns>
+        public AssemblyMetadata GetReflectedAssemblyFromFile(string assemblyPath)
+        {
+            if (string.IsNullOrWhiteSpace(assemblyPath))
+            {
+                throw new ArgumentException("assemblyPath");
+            }
+
+            AssemblyMetadata result = null;
+            try
+            {
+                return new AssemblyMetadata(Assembly.ReflectionOnlyLoadFrom(assemblyPath));
+            }
+            catch
+            {
+            }
+
+            return result;
+        }
+
+        /// <summary>
+        /// Create a new AppDomain and create a remote instance of AssemblyLoader we can use there
+        /// </summary>
+        /// <param name="directoryPath">directory containing assemblies</param>
+        /// <param name="testDomain">A new AppDomain, where assemblies can be loaded</param>
+        /// <returns>A proxy to the AssemblyLoader running in the newly created app domain</returns>
+        public static AssemblyLoader Create(string directoryPath, out AppDomain testDomain)
+        {
+            if (string.IsNullOrWhiteSpace(directoryPath))
+            {
+                throw new ArgumentException("directoryPath");
+            }
+
+            var setup = new AppDomainSetup();
+            setup.ApplicationBase = directoryPath;
+            setup.ApplicationName = "TestDomain";
+            setup.ApplicationTrust = AppDomain.CurrentDomain.ApplicationTrust;
+            setup.DisallowApplicationBaseProbing = false;
+            setup.DisallowCodeDownload = false;
+            setup.DisallowBindingRedirects = false;
+            setup.DisallowPublisherPolicy = false;
+            testDomain = AppDomain.CreateDomain("TestDomain", null, setup);
+            return testDomain.CreateInstanceFromAndUnwrap(typeof(AssemblyLoader).Assembly.Location,
+                typeof(AssemblyLoader).FullName) as AssemblyLoader;
+        }
+    }
+}