Fixed nested template dependency relationship inference

src/puml/class_diagram_generator.h

@@ -210,6 +210,8 @@ public:
             if (!m_config.should_include_relationship(name(r.type)))
                 continue;
 
+            LOG_DBG("===== Processing relationship {}", to_string(r.type));
+
             std::stringstream relstr;
             std::string destination;
             try {
@@ -240,10 +242,8 @@ public:
 
                 relstr << m_model.to_alias(
                               uns, ns_relative(uns, c.full_name(uns)))
-                              //uns, c.full_name(uns))
                        << " " << puml_relation << " "
                        << m_model.to_alias(uns, ns_relative(uns, destination));
-                       //<< m_model.to_alias(uns, destination);
 
                 if (!r.label.empty()) {
                     relstr << " : " << to_string(r.scope) << r.label;

src/uml/class_diagram_model.h

@@ -350,6 +350,8 @@ struct diagram {
     std::string to_alias(const std::vector<std::string> &using_namespaces,
         const std::string &full_name) const
     {
+        LOG_DBG("Looking for alias for {}", full_name);
+
         for (const auto &c : classes) {
             if (c.full_name(using_namespaces) == full_name) {
                 return c.alias();

src/uml/class_diagram_visitor.cc

@@ -525,22 +525,12 @@ bool tu_visitor::process_field_with_template_instantiation(
         static_cast<const cppast::cpp_template_instantiation_type &>(
             resolve_alias(template_instantiation_type));
 
-    // if (unaliased.primary_template().get(ctx.entity_index).size()) {
-    // Here we need the name of the primary template with full namespace
-    // prefix to apply config inclusion filters
-    // auto primary_template_name = cx::util::full_name(ctx.namespace_,
-    // unaliased.primary_template().get(ctx.entity_index)[0].get());
-
-    // LOG_DBG("Maybe building instantiation for: {}, {}",
-    // primary_template_name, cppast::to_string(tr));
-
-    // if (ctx.config.should_include(primary_template_name)) {
     class_ tinst = build_template_instantiation(unaliased);
 
     // Infer the relationship of this field to the template
     // instantiation
     class_relationship rr;
-    rr.destination = tinst.usr;
+    rr.destination = tinst.full_name(ctx.config.using_namespace);
     if (mv.type().kind() == cppast::cpp_type_kind::pointer_t ||
         mv.type().kind() == cppast::cpp_type_kind::reference_t)
         rr.type = relationship_t::kAssociation;
@@ -575,11 +565,6 @@ bool tu_visitor::process_field_with_template_instantiation(
 
         ctx.d.add_class(std::move(tinst));
     }
-    //}
-    //}
-    // else {
-    // LOG_DBG("Field template instantiation has no primary template?");
-    //}
 
     return res;
 }
@@ -1048,8 +1033,11 @@ bool tu_visitor::find_relationships(const cppast::cpp_type &t_,
 {
     bool found{false};
 
-    LOG_DBG("Finding relationships for type {}, {}", cppast::to_string(t_),
-        t_.kind());
+    const auto fn =
+        cx::util::full_name(cppast::remove_cv(t_), ctx.entity_index, false);
+
+    LOG_DBG("Finding relationships for type {}, {}, {}", cppast::to_string(t_),
+        t_.kind(), fn);
 
     relationship_t relationship_type = relationship_hint;
     const auto &t = cppast::remove_cv(cx::util::unreferenced(t_));
@@ -1091,8 +1079,6 @@ bool tu_visitor::find_relationships(const cppast::cpp_type &t_,
                 cppast::to_string(t), relationship_t::kAggregation);
 
         // Check if t_ has an alias in the alias index
-        const auto fn =
-            cx::util::full_name(cppast::remove_cv(t_), ctx.entity_index, false);
         if (ctx.has_type_alias(fn)) {
             LOG_DBG("Find relationship in alias of {} | {}", fn,
                 cppast::to_string(ctx.get_type_alias(fn).get()));
@@ -1135,6 +1121,29 @@ bool tu_visitor::find_relationships(const cppast::cpp_type &t_,
             found = find_relationships(args[0u].type().value(), relationships,
                 relationship_t::kAggregation);
         }
+        else if (ctx.config.should_include(fn)) {
+            LOG_DBG("User defined template instantiation: {} | {}",
+                cppast::to_string(t_), cppast::to_string(t_.canonical()));
+
+            if (relationship_type != relationship_t::kNone)
+                relationships.emplace_back(
+                    cppast::to_string(t), relationship_type);
+            else
+                relationships.emplace_back(
+                    cppast::to_string(t), relationship_t::kAggregation);
+
+            // Check if t_ has an alias in the alias index
+            if (ctx.has_type_alias(fn)) {
+                LOG_DBG("Find relationship in alias of {} | {}", fn,
+                    cppast::to_string(ctx.get_type_alias(fn).get()));
+                found = find_relationships(ctx.get_type_alias(fn).get(),
+                    relationships, relationship_type);
+                if (found)
+                    return found;
+            }
+
+            return found;
+        }
         else {
             for (const auto &arg : args) {
                 if (arg.type()) {

tests/t00033/t00033.cc

@@ -21,7 +21,7 @@ struct D {
 };
 
 struct R {
-    std::shared_ptr<A<B<std::unique_ptr<C<D>>>>> abc;
+    A<B<std::unique_ptr<C<D>>>> abc;
 };
 
 } // namespace t00033