Rework the C# type printer to return more information than just a string (CSharpTypePrinterResult).

src/Bridge/Type.cs

@@ -1,4 +1,5 @@
-using System.Collections.Generic;
+using System;
+using System.Collections.Generic;
 
 namespace Cxxi
 {
@@ -7,7 +8,7 @@ namespace Cxxi
     /// </summary>
     public abstract class Type
     {
-        public static ITypeVisitor<string> TypePrinter;
+        public static Func<Type, string> TypePrinterDelegate;
 
         protected Type()
         {
@@ -117,7 +118,7 @@ namespace Cxxi
 
         public override string ToString()
         {
-            return Visit(TypePrinter);
+            return TypePrinterDelegate(this);
         }
     }
 

src/Generator/Generators/CLI/CLIGenerator.cs

@@ -6,13 +6,13 @@ namespace Cxxi.Generators.CLI
 {
     public class CLIGenerator : Generator
     {
-        private readonly ITypePrinter typePrinter;
+        private readonly CLITypePrinter typePrinter;
         private readonly FileHashes fileHashes;
 
         public CLIGenerator(Driver driver) : base(driver)
         {
             typePrinter = new CLITypePrinter(driver);
-            Type.TypePrinter = typePrinter;
+            Type.TypePrinterDelegate += type => type.Visit(typePrinter);
             fileHashes = FileHashes.Load("hashes.ser");
         }
 

src/Generator/Generators/CLI/CLIHeadersTemplate.cs

@@ -489,7 +489,7 @@ namespace Cxxi.Generators.CLI
 
         public void GenerateFieldProperty(Field field)
         {
-            var type = field.Type.Visit(Type.TypePrinter, field.QualifiedType.Qualifiers);
+            var type = field.Type.Visit(TypePrinter, field.QualifiedType.Qualifiers);
 
             WriteLine("property {0} {1}", type, field.Name);
             WriteStartBraceIndent();

src/Generator/Generators/CLI/CLITextTemplate.cs

@@ -27,7 +27,7 @@ namespace Cxxi.Generators.CLI
         protected const string DefaultIndent = "    ";
         protected const uint MaxIndent = 80;
 
-        public ITypePrinter TypePrinter { get; set; }
+        public CLITypePrinter TypePrinter { get; set; }
 
         public ISet<Include> Includes;
 

src/Generator/Generators/CLI/CLITypePrinter.cs

@@ -17,7 +17,7 @@ namespace Cxxi.Generators.CLI
         }
     }
 
-    public class CLITypePrinter : ITypePrinter, IDeclVisitor<string>
+    public class CLITypePrinter : ITypePrinter<string>, IDeclVisitor<string>
     {
         public Library Library { get; set; }
         public CLITypePrinterContext Context { get; set; }
@@ -307,5 +307,10 @@ namespace Cxxi.Generators.CLI
         {
             throw new NotImplementedException();
         }
+
+        public string ToString(Type type)
+        {
+            return type.Visit(this);
+        }
     }
 }

src/Generator/Generators/CSharp/CSharpGenerator.cs

@@ -6,12 +6,12 @@ namespace Cxxi.Generators.CSharp
 {
     public class CSharpGenerator : Generator
     {
-        private readonly ITypePrinter typePrinter;
+        private readonly CSharpTypePrinter typePrinter;
 
         public CSharpGenerator(Driver driver) : base(driver)
         {
             typePrinter = new CSharpTypePrinter(driver.TypeDatabase, driver.Library);
-            Type.TypePrinter = typePrinter;
+            Type.TypePrinterDelegate += type => type.Visit(typePrinter).Type;
         }
 
         void WriteTemplate(TextTemplate template)

src/Generator/Generators/CSharp/CSharpTextTemplate.cs

@@ -58,7 +58,7 @@ namespace Cxxi.Generators.CSharp
 
     public class CSharpTextTemplate : TextTemplate
     {
-        public ITypePrinter TypePrinter { get; set; }
+        public CSharpTypePrinter TypePrinter { get; set; }
 
         public override string FileExtension
         {
@@ -262,7 +262,7 @@ namespace Cxxi.Generators.CSharp
 
         public void GenerateClassInternals(Class @class)
         {
-            var typePrinter = Type.TypePrinter as CSharpTypePrinter;
+            var typePrinter = TypePrinter as CSharpTypePrinter;
             typePrinter.PushContext(CSharpTypePrinterContextKind.Native);
 
             WriteLine("[StructLayout(LayoutKind.Explicit, Size = {0})]",
@@ -1167,8 +1167,8 @@ namespace Cxxi.Generators.CSharp
             else if (typedef.Type.IsPointerTo<FunctionType>(out function))
             {
                 WriteLine("public {0};",
-                    string.Format(TypePrinter.VisitDelegate(function),
-                    SafeIdentifier(typedef.Name)));
+                    string.Format(TypePrinter.VisitDelegate(function).Type,
+                        SafeIdentifier(typedef.Name)));
                 NeedNewLine();
             }
             else if (typedef.Type.IsEnumType())
@@ -1291,7 +1291,7 @@ namespace Cxxi.Generators.CSharp
         {
             var identifier = SafeIdentifier(function.Name);
 
-            var printer = Type.TypePrinter as CSharpTypePrinter;
+            var printer = TypePrinter as CSharpTypePrinter;
             var isNativeContext = printer.ContextKind == CSharpTypePrinterContextKind.Native;
 
             var method = function as Method;
@@ -1314,7 +1314,7 @@ namespace Cxxi.Generators.CSharp
 
         public string GetFunctionNativeIdentifier(Function function, Class @class = null)
         {
-            var typePrinter = Type.TypePrinter as CSharpTypePrinter;
+            var typePrinter = TypePrinter as CSharpTypePrinter;
             typePrinter.PushContext(CSharpTypePrinterContextKind.Native);
 
             var name = GetFunctionIdentifier(function, @class);
@@ -1341,7 +1341,7 @@ namespace Cxxi.Generators.CSharp
 
             var @params = new List<string>();
 
-            var typePrinter = Type.TypePrinter as CSharpTypePrinter;
+            var typePrinter = TypePrinter as CSharpTypePrinter;
             var retType = typePrinter.VisitParameterDecl(new Parameter()
                 {
                     QualifiedType = new QualifiedType() { Type = function.ReturnType }

src/Generator/Generators/CSharp/CSharpTypePrinter.cs

@@ -12,19 +12,38 @@ namespace Cxxi.Generators.CSharp
 
     public class CSharpTypePrinterContext : TypePrinterContext
     {
+        public CSharpTypePrinterContextKind CSharpKind;
+
         public CSharpTypePrinterContext()
         {
             
         }
 
-        public CSharpTypePrinterContext(TypePrinterContextKind kind)
-            : base(kind)
+        public CSharpTypePrinterContext(TypePrinterContextKind kind,
+            CSharpTypePrinterContextKind csharpKind) : base(kind)
         {
-            
+            CSharpKind = csharpKind;
+        }
+    }
+
+    public class CSharpTypePrinterResult
+    {
+        public string Type;
+        public TypeMap TypeMap;
+
+        public static implicit operator CSharpTypePrinterResult(string type)
+        {
+            return new CSharpTypePrinterResult() {Type = type};
+        }
+
+        public override string ToString()
+        {
+            return Type;
         }
     }
 
-    public class CSharpTypePrinter : ITypePrinter, IDeclVisitor<string>
+    public class CSharpTypePrinter : ITypePrinter<CSharpTypePrinterResult>,
+        IDeclVisitor<CSharpTypePrinterResult>
     {
         public Library Library { get; set; }
         private readonly ITypeMapDatabase TypeMapDatabase;
@@ -59,7 +78,7 @@ namespace Cxxi.Generators.CSharp
             return contexts.Pop();
         }
 
-        public string VisitTagType(TagType tag, TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitTagType(TagType tag, TypeQualifiers quals)
         {
             if (tag.Declaration == null)
                 return string.Empty;
@@ -67,7 +86,8 @@ namespace Cxxi.Generators.CSharp
             return VisitDeclaration(tag.Declaration, quals);
         }
 
-        public string VisitArrayType(ArrayType array, TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitArrayType(ArrayType array,
+            TypeQualifiers quals)
         {
             return string.Format("{0}[]", array.Type.Visit(this));
 
@@ -75,14 +95,15 @@ namespace Cxxi.Generators.CSharp
             // and they are constrained to a set of built-in types.
         }
 
-        public string VisitFunctionType(FunctionType function, TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitFunctionType(FunctionType function,
+            TypeQualifiers quals)
         {
             var arguments = function.Parameters;
             var returnType = function.ReturnType;
             var args = string.Empty;
 
             if (arguments.Count > 0)
-                args = VisitParameters(function.Parameters, hasNames: false);
+                args = VisitParameters(function.Parameters, hasNames: false).Type;
 
             if (returnType.IsPrimitiveType(PrimitiveType.Void))
             {
@@ -123,7 +144,8 @@ namespace Cxxi.Generators.CSharp
             return IsConstCharString(pointer);
         }
 
-        public string VisitPointerType(PointerType pointer, TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitPointerType(PointerType pointer,
+            TypeQualifiers quals)
         {
             var pointee = pointer.Pointee;
 
@@ -148,18 +170,20 @@ namespace Cxxi.Generators.CSharp
             return pointee.Visit(this, quals);
         }
 
-        public string VisitMemberPointerType(MemberPointerType member,
-                                             TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitMemberPointerType(
+            MemberPointerType member, TypeQualifiers quals)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitBuiltinType(BuiltinType builtin, TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitBuiltinType(BuiltinType builtin,
+            TypeQualifiers quals)
         {
             return VisitPrimitiveType(builtin.Type, quals);
         }
 
-        public string VisitTypedefType(TypedefType typedef, TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitTypedefType(TypedefType typedef,
+            TypeQualifiers quals)
         {
             var decl = typedef.Declaration;
 
@@ -167,8 +191,16 @@ namespace Cxxi.Generators.CSharp
             if (TypeMapDatabase.FindTypeMap(decl, out typeMap))
             {
                 typeMap.Type = typedef;
-                var ctx = new CSharpTypePrinterContext {Type = typedef};
-                return typeMap.CSharpSignature(ctx);
+                var ctx = new CSharpTypePrinterContext
+                    {
+                        CSharpKind = ContextKind,
+                        Type = typedef
+                    };
+                return new CSharpTypePrinterResult()
+                    {
+                        Type = typeMap.CSharpSignature(ctx),
+                        TypeMap = typeMap
+                    };
             }
 
             FunctionType func;
@@ -181,8 +213,8 @@ namespace Cxxi.Generators.CSharp
             return decl.Type.Visit(this);
         }
 
-        public string VisitTemplateSpecializationType(TemplateSpecializationType template,
-            TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitTemplateSpecializationType(
+            TemplateSpecializationType template, TypeQualifiers quals)
         {
             var decl = template.Template.TemplatedDecl;
 
@@ -192,19 +224,24 @@ namespace Cxxi.Generators.CSharp
                 typeMap.Declaration = decl;
                 typeMap.Type = template;
                 Context.Type = template;
-                return typeMap.CSharpSignature(Context);
+                return new CSharpTypePrinterResult()
+                    {
+                        Type = typeMap.CSharpSignature(Context),
+                        TypeMap = typeMap
+                    };
             }
 
             return decl.Name;
         }
 
-        public string VisitTemplateParameterType(TemplateParameterType param,
-            TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitTemplateParameterType(
+            TemplateParameterType param, TypeQualifiers quals)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitPrimitiveType(PrimitiveType primitive, TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitPrimitiveType(PrimitiveType primitive,
+            TypeQualifiers quals)
         {
             switch (primitive)
             {
@@ -227,38 +264,39 @@ namespace Cxxi.Generators.CSharp
             throw new NotSupportedException();
         }
 
-        public string VisitDeclaration(Declaration decl, TypeQualifiers quals)
+        public CSharpTypePrinterResult VisitDeclaration(Declaration decl,
+            TypeQualifiers quals)
         {
             return VisitDeclaration(decl);
         }
 
-        public string VisitDeclaration(Declaration decl)
+        public CSharpTypePrinterResult VisitDeclaration(Declaration decl)
         {
             var name = decl.Visit(this);
             return string.Format("{0}", name);
         }
 
-        public string VisitClassDecl(Class @class)
+        public CSharpTypePrinterResult VisitClassDecl(Class @class)
         {
             return @class.Name;
         }
 
-        public string VisitFieldDecl(Field field)
+        public CSharpTypePrinterResult VisitFieldDecl(Field field)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitFunctionDecl(Function function)
+        public CSharpTypePrinterResult VisitFunctionDecl(Function function)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitMethodDecl(Method method)
+        public CSharpTypePrinterResult VisitMethodDecl(Method method)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitParameterDecl(Parameter parameter)
+        public CSharpTypePrinterResult VisitParameterDecl(Parameter parameter)
         {
             var paramType = parameter.Type;
 
@@ -272,58 +310,58 @@ namespace Cxxi.Generators.CSharp
             return paramType.Visit(this);
         }
 
-        public string VisitTypedefDecl(TypedefDecl typedef)
+        public CSharpTypePrinterResult VisitTypedefDecl(TypedefDecl typedef)
         {
             return typedef.Name;
         }
 
-        public string VisitEnumDecl(Enumeration @enum)
+        public CSharpTypePrinterResult VisitEnumDecl(Enumeration @enum)
         {
             return @enum.Name;
         }
 
-        public string VisitVariableDecl(Variable variable)
+        public CSharpTypePrinterResult VisitVariableDecl(Variable variable)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitClassTemplateDecl(ClassTemplate template)
+        public CSharpTypePrinterResult VisitClassTemplateDecl(ClassTemplate template)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitFunctionTemplateDecl(FunctionTemplate template)
+        public CSharpTypePrinterResult VisitFunctionTemplateDecl(FunctionTemplate template)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitMacroDefinition(MacroDefinition macro)
+        public CSharpTypePrinterResult VisitMacroDefinition(MacroDefinition macro)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitNamespace(Namespace @namespace)
+        public CSharpTypePrinterResult VisitNamespace(Namespace @namespace)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitEvent(Event @event)
+        public CSharpTypePrinterResult VisitEvent(Event @event)
         {
             throw new NotImplementedException();
         }
 
-        public string VisitParameters(IEnumerable<Parameter> @params,
+        public CSharpTypePrinterResult VisitParameters(IEnumerable<Parameter> @params,
             bool hasNames)
         {
             var args = new List<string>();
 
             foreach (var param in @params)
-                args.Add(VisitParameter(param, hasNames));
+                args.Add(VisitParameter(param, hasNames).Type);
 
             return string.Join(", ", args);
         }
 
-        public string VisitParameter(Parameter arg, bool hasName)
+        public CSharpTypePrinterResult VisitParameter(Parameter arg, bool hasName)
         {
             var type = arg.Type.Visit(this, arg.QualifiedType.Qualifiers);
             var name = Helpers.SafeIdentifier(arg.Name);
@@ -334,11 +372,16 @@ namespace Cxxi.Generators.CSharp
             return type;
         }
 
-        public string VisitDelegate(FunctionType function)
+        public CSharpTypePrinterResult VisitDelegate(FunctionType function)
         {
             return string.Format("delegate {0} {{0}}({1})",
                 function.ReturnType.Visit(this),
                 VisitParameters(function.Parameters, hasNames: true));
         }
+
+        public string ToString(Type type)
+        {
+            return type.Visit(this).Type;
+        }
     }
 }

src/Generator/Passes/CheckAmbiguousOverloads.cs

@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using System.Linq;
 using Cxxi.Generators;
+using Cxxi.Types;
 
 namespace Cxxi.Passes
 {
@@ -14,14 +15,12 @@ namespace Cxxi.Passes
         {
             Function = function;
 
-            var typePrinter = Type.TypePrinter;
-
-            Return = function.ReturnType.Visit(typePrinter);
+            Return = function.ReturnType.ToString();
             Parameters = new List<string>();
 
             foreach (var param in function.Parameters)
             {
-                var paramType = param.Type.Visit(typePrinter);
+                var paramType = param.Type.ToString();
                 Parameters.Add(paramType);
             }
         }

src/Generator/Types/CppTypePrinter.cs

@@ -3,7 +3,7 @@ using System.Collections.Generic;
 
 namespace Cxxi.Types
 {
-    public class CppTypePrinter : ITypePrinter, IDeclVisitor<string>
+    public class CppTypePrinter : ITypePrinter<string>, IDeclVisitor<string>
     {
         public CppTypePrinter(ITypeMapDatabase database)
         {
@@ -225,5 +225,10 @@ namespace Cxxi.Types
         {
             throw new NotImplementedException();
         }
+
+        public string ToString(Type type)
+        {
+            return type.Visit(this);
+        }
     }
 }

src/Generator/Types/ITypePrinter.cs

@@ -49,11 +49,16 @@ namespace Cxxi.Types
         public Type Type;
     }
 
-    public interface ITypePrinter : ITypeVisitor<string>
+    public interface ITypePrinter
     {
-        string VisitParameters(IEnumerable<Parameter> @params, bool hasNames);
-        string VisitParameter(Parameter param, bool hasName = true);
+        string ToString(Type type);
+    }
+
+    public interface ITypePrinter<out T> : ITypePrinter, ITypeVisitor<T>
+    {
+        T VisitParameters(IEnumerable<Parameter> @params, bool hasNames);
+        T VisitParameter(Parameter param, bool hasName = true);
 
-        string VisitDelegate(FunctionType function);
+        T VisitDelegate(FunctionType function);
     }
 }