Ignored templates specialised with types external to the template itself.

Supporting such external types is quite difficult so it will be done later on.

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

src/Generator/Passes/CheckIgnoredDecls.cs

@@ -403,7 +403,7 @@ namespace CppSharp.Passes
             return !decl.IsIncomplete || decl.CompleteDeclaration != null;
         }
 
-        private bool IsTypeExternal(Module module, Type type)
+        public static bool IsTypeExternal(Module module, Type type)
         {
             Declaration declaration;
             if (!(type.GetFinalPointee() ?? type).TryGetDeclaration(out declaration))

src/Generator/Passes/TrimSpecializationsPass.cs

@@ -15,6 +15,11 @@ namespace CppSharp.Passes
             @class.Specializations.RemoveAll(
                 s => s.Fields.Any(f => f.Type.IsPrimitiveType(PrimitiveType.Void)));
 
+            foreach (var specialization in @class.Specializations.Where(s => s.Arguments.Any(
+                a => a.Type.Type != null &&
+                    CheckIgnoredDeclsPass.IsTypeExternal(@class.TranslationUnit.Module, a.Type.Type))))
+                specialization.ExplicitlyIgnore();
+
             if (@class.Specializations.Count == 0)
                 return false;
 
@@ -28,8 +33,7 @@ namespace CppSharp.Passes
                     @class.Specializations.Remove(specialization);
 
             for (int i = @class.Specializations.Count - 1; i >= 0; i--)
-                if (@class.Specializations[i] is ClassTemplatePartialSpecialization &&
-                    !@class.Specializations[i].Arguments.All(allPointers))
+                if (@class.Specializations[i] is ClassTemplatePartialSpecialization)
                     @class.Specializations.RemoveAt(i);
 
             return true;