Refactor the diagnostics system.

src/Core/Diagnostics.cs

@@ -36,10 +36,27 @@ namespace CppSharp
         void PopIndent();
     }
 
-    public static class DiagnosticExtensions
+    public static class Diagnostics
     {
-        public static void Debug(this IDiagnostics consumer,
-            string msg, params object[] args)
+        public static IDiagnostics Implementation { get; set; } = new ConsoleDiagnostics();
+
+        public static DiagnosticKind Level
+        {
+            get { return Implementation.Level; }
+            set { Implementation.Level = value; }
+        }
+
+        public static void PushIndent(int level = 4)
+        {
+            Implementation.PushIndent(level);
+        }
+
+        public static void PopIndent()
+        {
+            Implementation.PopIndent();
+        }
+
+        public static void Debug(string msg, params object[] args)
         {
             var diagInfo = new DiagnosticInfo
             {
@@ -47,11 +64,10 @@ namespace CppSharp
                 Message = string.Format(msg, args)
             };
 
-            consumer.Emit(diagInfo);
+            Implementation.Emit(diagInfo);
         }
 
-        public static void Message(this IDiagnostics consumer,
-            string msg, params object[] args)
+        public static void Message(string msg, params object[] args)
         {
             var diagInfo = new DiagnosticInfo
                 {
@@ -59,11 +75,10 @@ namespace CppSharp
                     Message = string.Format(msg, args)
                 };
 
-            consumer.Emit(diagInfo);
+            Implementation.Emit(diagInfo);
         }
 
-        public static void Warning(this IDiagnostics consumer,
-            string msg, params object[] args)
+        public static void Warning(string msg, params object[] args)
         {
             var diagInfo = new DiagnosticInfo
             {
@@ -71,11 +86,10 @@ namespace CppSharp
                 Message = string.Format(msg, args)
             };
 
-            consumer.Emit(diagInfo);
+            Implementation.Emit(diagInfo);
         }
 
-        public static void Error(this IDiagnostics consumer,
-            string msg, params object[] args)
+        public static void Error(string msg, params object[] args)
         {
             var diagInfo = new DiagnosticInfo
             {
@@ -83,19 +97,7 @@ namespace CppSharp
                 Message = string.Format(msg, args)
             };
 
-            consumer.Emit(diagInfo);
-        }
-
-        public static void Error(this IDiagnostics consumer,
-            string msg)
-        {
-            var diagInfo = new DiagnosticInfo
-            {
-                Kind = DiagnosticKind.Error,
-                Message = msg
-            };
-
-            consumer.Emit(diagInfo);
+            Implementation.Emit(diagInfo);
         }
     }
 

src/Generator.Tests/AST/TestAST.cs

@@ -315,7 +315,7 @@ namespace CppSharp.Generator.Tests.AST
         [Test]
         public void TestAmbiguity()
         {
-            var bindingContext = new BindingContext(new ConsoleDiagnostics(), new DriverOptions(),
+            var bindingContext = new BindingContext(new DriverOptions(),
                 new ParserOptions());
             new CleanUnitPass { Context = bindingContext }.VisitASTContext(AstContext);
             new CheckAmbiguousFunctions { Context = bindingContext }.VisitASTContext(AstContext);

src/Generator.Tests/ASTTestFixture.cs

@@ -22,7 +22,7 @@ namespace CppSharp.Generator.Tests
 
             Options.Headers.AddRange(files);
 
-            Driver = new Driver(Options, new ConsoleDiagnostics())
+            Driver = new Driver(Options)
             {
                 ParserOptions = this.ParserOptions
             };

src/Generator.Tests/GeneratorTest.cs

@@ -32,8 +32,8 @@ namespace CppSharp.Utils
             options.Quiet = true;
             options.IgnoreParseWarnings = true;
 
-            driver.Diagnostics.Message("");
-            driver.Diagnostics.Message("Generating bindings for {0} ({1})",
+            Diagnostics.Message("");
+            Diagnostics.Message("Generating bindings for {0} ({1})",
                 options.LibraryName, options.GeneratorKind.ToString());
 
             // Workaround for CLR which does not check for .dll if the
@@ -48,7 +48,7 @@ namespace CppSharp.Utils
             var path = Path.GetFullPath(GetTestsDirectory(name));
             parserOptions.AddIncludeDirs(path);
 
-            driver.Diagnostics.Message("Looking for tests in: {0}", path);
+            Diagnostics.Message("Looking for tests in: {0}", path);
             var files = Directory.EnumerateFiles(path, "*.h");
             foreach (var file in files)
                 options.Headers.Add(Path.GetFileName(file));

src/Generator.Tests/ReadNativeDependenciesTest.cs

@@ -42,7 +42,7 @@ namespace CppSharp.Generator.Tests
             parserOptions.AddLibraryDirs(GeneratorTest.GetTestsDirectory("Native"));
             var driverOptions = new DriverOptions();
             driverOptions.Libraries.Add(library);
-            var driver = new Driver(driverOptions, new ConsoleDiagnostics())
+            var driver = new Driver(driverOptions)
             {
                 ParserOptions = parserOptions
             };

src/Generator/BindingContext.cs

@@ -8,8 +8,6 @@ namespace CppSharp.Generators
 {
     public class BindingContext
     {
-        public IDiagnostics Diagnostics { get; set; }
-
         public DriverOptions Options { get; private set; }
         public ParserOptions ParserOptions { get; set; }
 
@@ -24,11 +22,9 @@ namespace CppSharp.Generators
 
         public Dictionary<Function, DelegatesPass.DelegateDefinition> Delegates { get; private set; }
 
-        public BindingContext(IDiagnostics diagnostics, DriverOptions options,
-            ParserOptions parserOptions = null)
+        public BindingContext(DriverOptions options, ParserOptions parserOptions = null)
         {
             Options = options;
-            Diagnostics = diagnostics;
             ParserOptions = parserOptions;
 
             Symbols = new SymbolContext();

src/Generator/Driver.cs

@@ -20,7 +20,6 @@ namespace CppSharp
 {
     public class Driver
     {
-        public IDiagnostics Diagnostics { get; private set; }
         public DriverOptions Options { get; private set; }
         public ParserOptions ParserOptions { get; set; }
         public Project Project { get; private set; }
@@ -29,10 +28,9 @@ namespace CppSharp
 
         public bool HasCompilationErrors { get; set; }
 
-        public Driver(DriverOptions options, IDiagnostics diagnostics)
+        public Driver(DriverOptions options)
         {
             Options = options;
-            Diagnostics = diagnostics;
             Project = new Project();
             ParserOptions = new ParserOptions();
         }
@@ -70,7 +68,7 @@ namespace CppSharp
         {
             ValidateOptions();
             ParserOptions.SetupIncludes();
-            Context = new BindingContext(Diagnostics, Options, ParserOptions);
+            Context = new BindingContext(Options, ParserOptions);
             Generator = CreateGeneratorFromKind(Options.GeneratorKind);
         }
 
@@ -473,31 +471,29 @@ namespace CppSharp
         public static void Run(ILibrary library)
         {
             var options = new DriverOptions();
-
-            var Log = new ConsoleDiagnostics();
-            var driver = new Driver(options, Log);
+            var driver = new Driver(options);
 
             library.Setup(driver);
 
             driver.Setup();
 
             if(driver.ParserOptions.Verbose)
-                Log.Level = DiagnosticKind.Debug;
+                Diagnostics.Level = DiagnosticKind.Debug;
 
             if (!options.Quiet)
-                Log.Message("Parsing libraries...");
+                Diagnostics.Message("Parsing libraries...");
 
             if (!driver.ParseLibraries())
                 return;
 
             if (!options.Quiet)
-                Log.Message("Parsing code...");
+                Diagnostics.Message("Parsing code...");
 
             driver.BuildParseOptions();
 
             if (!driver.ParseCode())
             {
-                Log.Error("CppSharp has encountered an error while parsing code.");
+                Diagnostics.Error("CppSharp has encountered an error while parsing code.");
                 return;
             }
 
@@ -505,7 +501,7 @@ namespace CppSharp
             options.Modules.RemoveAll(m => m != options.SystemModule && !m.Units.GetGenerated().Any());
 
             if (!options.Quiet)
-                Log.Message("Processing code...");
+                Diagnostics.Message("Processing code...");
 
             library.Preprocess(driver, driver.Context.ASTContext);
 
@@ -515,7 +511,7 @@ namespace CppSharp
             library.Postprocess(driver, driver.Context.ASTContext);
 
             if (!options.Quiet)
-                Log.Message("Generating code...");
+                Diagnostics.Message("Generating code...");
 
             var outputs = driver.GenerateCode();
 

src/Generator/Generators/Template.cs

@@ -7,7 +7,6 @@ namespace CppSharp.Generators
     {
         public BindingContext Context { get; private set; }
 
-        public IDiagnostics Log { get { return Context.Diagnostics; } }
         public DriverOptions Options { get { return Context.Options; } }
 
         public List<TranslationUnit> TranslationUnits { get; private set; }

src/Generator/Passes/CheckDuplicatedNamesPass.cs

@@ -1,5 +1,4 @@
-using System;
-using System.Collections.Generic;
+using System.Collections.Generic;
 using System.Globalization;
 using System.Linq;
 using CppSharp.AST;
@@ -11,11 +10,9 @@ namespace CppSharp.Passes
     {
         private readonly Dictionary<string, int> methodSignatures;
         private int Count;
-        private readonly IDiagnostics diagnostics;
 
-        public DeclarationName(IDiagnostics diagnostics)
+        public DeclarationName()
         {
-            this.diagnostics = diagnostics;
             methodSignatures = new Dictionary<string, int>();
         }
 
@@ -77,12 +74,12 @@ namespace CppSharp.Passes
             {
                 // TODO: turn into a method; append the original type (say, "signed long")
                 // of the last parameter to the type so that the user knows which overload is called
-                diagnostics.Warning("Duplicate operator {0} ignored", function.Name);
+                Diagnostics.Warning("Duplicate operator {0} ignored", function.Name);
                 function.ExplicitlyIgnore();
             }
             else if (method != null && method.IsConstructor)
             {
-                diagnostics.Warning("Duplicate constructor {0} ignored", function.Name);
+                Diagnostics.Warning("Duplicate constructor {0} ignored", function.Name);
                 function.ExplicitlyIgnore();
             }
             else
@@ -221,7 +218,7 @@ namespace CppSharp.Passes
 
             // If the name is not yet on the map, then add it.
             if (!names.ContainsKey(fullName))
-                names.Add(fullName, new DeclarationName(Diagnostics));
+                names.Add(fullName, new DeclarationName());
 
             if (names[fullName].UpdateName(decl))
             {

src/Generator/Passes/GetterSetterToPropertyPass.cs

@@ -15,15 +15,13 @@ namespace CppSharp.Passes
     {
         private class PropertyGenerator
         {
-            private readonly IDiagnostics Diagnostics;
             private readonly List<Method> getters = new List<Method>();
             private readonly List<Method> setters = new List<Method>();
             private readonly List<Method> setMethods = new List<Method>();
             private readonly List<Method> nonSetters = new List<Method>();
 
-            public PropertyGenerator(Class @class, IDiagnostics diags)
+            public PropertyGenerator(Class @class)
             {
-                Diagnostics = diags;
                 foreach (var method in @class.Methods.Where(
                     m => !m.IsConstructor && !m.IsDestructor && !m.IsOperator && m.IsGenerated))
                     DistributeMethod(method);
@@ -354,7 +352,7 @@ namespace CppSharp.Passes
                         if (baseClass.IsClass)
                             VisitClassDecl(baseClass.Class);
 
-                new PropertyGenerator(@class, Diagnostics).GenerateProperties();
+                new PropertyGenerator(@class).GenerateProperties();
             }
             return false;
         }

src/Generator/Passes/Pass.cs

@@ -12,7 +12,6 @@ namespace CppSharp.Passes
     {
         public BindingContext Context { get; set; }
 
-        public IDiagnostics Diagnostics { get { return Context.Diagnostics; } }
         public DriverOptions Options { get { return Context.Options; } }
         public ASTContext ASTContext { get { return Context.ASTContext; } }
         public TypeMapDatabase TypeMaps { get { return Context.TypeMaps; } }