Setup type and expression printer in C# sources generator.

src/Generator/Generators/CSharp/CSharpGenerator.cs

@@ -7,19 +7,17 @@ namespace CppSharp.Generators.CSharp
     public class CSharpGenerator : Generator
     {
         private readonly CSharpTypePrinter typePrinter;
-        private readonly CSharpExpressionPrinter expressionPrinter;
 
         public CSharpGenerator(BindingContext context) : base(context)
         {
             typePrinter = new CSharpTypePrinter(context);
-            expressionPrinter = new CSharpExpressionPrinter(typePrinter);
         }
 
         public override List<CodeGenerator> Generate(IEnumerable<TranslationUnit> units)
         {
             var outputs = new List<CodeGenerator>();
 
-            var gen = new CSharpSources(Context, units, typePrinter, expressionPrinter);
+            var gen = new CSharpSources(Context, units);
             outputs.Add(gen);
 
             return outputs;

src/Generator/Generators/CSharp/CSharpSources.cs

@@ -124,17 +124,16 @@ namespace CppSharp.Generators.CSharp
 
     public class CSharpSources : CodeGenerator
     {
-        public CSharpTypePrinter TypePrinter { get; private set; }
-        public CSharpExpressionPrinter ExpressionPrinter { get; private set; }
+        public CSharpTypePrinter TypePrinter { get; protected set; }
+        public CSharpExpressionPrinter ExpressionPrinter { get; protected set; }
 
         public override string FileExtension => "cs";
 
-        public CSharpSources(BindingContext context, IEnumerable<TranslationUnit> units,
-            CSharpTypePrinter typePrinter, CSharpExpressionPrinter expressionPrinter)
+        public CSharpSources(BindingContext context, IEnumerable<TranslationUnit> units)
             : base(context, units)
         {
-            TypePrinter = typePrinter;
-            ExpressionPrinter = expressionPrinter;
+            TypePrinter = new CSharpTypePrinter(context);
+            ExpressionPrinter = new CSharpExpressionPrinter(TypePrinter);
         }
 
         #region Identifiers