Ensured symbols for exported template specializations on Windows.

Signed-off-by: Dimitar Dobrev <dpldobrev@protonmail.com>

src/Generator/Passes/GenerateTemplatesCodePass.cs

@@ -3,7 +3,6 @@ using System.IO;
 using System.Linq;
 using System.Text;
 using CppSharp.AST;
-using CppSharp.AST.Extensions;
 using CppSharp.Types;
 
 namespace CppSharp.Passes
@@ -17,18 +16,13 @@ namespace CppSharp.Passes
             return true;
         }
 
-        public override bool VisitTemplateSpecializationType(TemplateSpecializationType template, TypeQualifiers quals)
+        public override bool VisitClassTemplateSpecializationDecl(ClassTemplateSpecialization specialization)
         {
-            if (AlreadyVisited(template) || template.Template.Access == AccessSpecifier.Private)
-                return false;
-
-            if (template.Arguments.Select(a => a.Type.Type.Desugar()).All(t => t.IsAddress() && !t.GetFinalPointee().IsDependent))
+            if (!specialization.IsDependent)
             {
                 var cppTypePrinter = new CppTypePrinter { PrintScopeKind = CppTypePrintScopeKind.Qualified };
-                templateInstantiations.Add(string.Format("{0}<{1}>", template.Template.Name,
-                    string.Join(", ", template.Arguments.Select(a => a.Type.Type.Visit(cppTypePrinter)))));
+                templateInstantiations.Add(specialization.Visit(cppTypePrinter));
             }
-
             return true;
         }
 
@@ -40,7 +34,8 @@ namespace CppSharp.Passes
                 foreach (var header in module.Headers)
                     cppBuilder.AppendFormat("#include <{0}>\n", header);
                 foreach (var templateInstantiation in templateInstantiations)
-                    cppBuilder.AppendFormat("\ntemplate class {0};", templateInstantiation);
+                    cppBuilder.AppendFormat("\ntemplate class {0}{1};",
+                        Platform.IsWindows ? "__declspec(dllexport) " : string.Empty, templateInstantiation);
                 var cpp = string.Format("{0}.cpp", module.TemplatesLibraryName);
                 Directory.CreateDirectory(Driver.Options.OutputDir);
                 var path = Path.Combine(Driver.Options.OutputDir, cpp);