7 files changed, 77 insertions, 71 deletions

diff --git a/modules/mono/mono_gd/gd_mono.cpp b/modules/mono/mono_gd/gd_mono.cpp
index 43a39a4966..560788fb3a 100644
--- a/modules/mono/mono_gd/gd_mono.cpp
+++ b/modules/mono/mono_gd/gd_mono.cpp
@@ -1006,6 +1006,7 @@ bool GDMono::_load_project_assembly() {
 
 	if (success) {
 		mono_assembly_set_main(project_assembly->get_assembly());
+		CSharpLanguage::get_singleton()->lookup_scripts_in_assembly(project_assembly);
 	}
 
 	return success;
diff --git a/modules/mono/mono_gd/gd_mono_assembly.cpp b/modules/mono/mono_gd/gd_mono_assembly.cpp
index 1fe06bfbee..a1556bace5 100644
--- a/modules/mono/mono_gd/gd_mono_assembly.cpp
+++ b/modules/mono/mono_gd/gd_mono_assembly.cpp
@@ -345,6 +345,45 @@ String GDMonoAssembly::get_path() const {
 	return String::utf8(mono_image_get_filename(image));
 }
 
+bool GDMonoAssembly::has_attribute(GDMonoClass *p_attr_class) {
+#ifdef DEBUG_ENABLED
+	ERR_FAIL_NULL_V(p_attr_class, false);
+#endif
+
+	if (!attrs_fetched) {
+		fetch_attributes();
+	}
+
+	if (!attributes) {
+		return false;
+	}
+
+	return mono_custom_attrs_has_attr(attributes, p_attr_class->get_mono_ptr());
+}
+
+MonoObject *GDMonoAssembly::get_attribute(GDMonoClass *p_attr_class) {
+#ifdef DEBUG_ENABLED
+	ERR_FAIL_NULL_V(p_attr_class, nullptr);
+#endif
+
+	if (!attrs_fetched) {
+		fetch_attributes();
+	}
+
+	if (!attributes) {
+		return nullptr;
+	}
+
+	return mono_custom_attrs_get_attr(attributes, p_attr_class->get_mono_ptr());
+}
+
+void GDMonoAssembly::fetch_attributes() {
+	ERR_FAIL_COND(attributes != nullptr);
+
+	attributes = mono_custom_attrs_from_assembly(assembly);
+	attrs_fetched = true;
+}
+
 GDMonoClass *GDMonoAssembly::get_class(const StringName &p_namespace, const StringName &p_name) {
 	ERR_FAIL_NULL_V(image, nullptr);
 
@@ -390,70 +429,6 @@ GDMonoClass *GDMonoAssembly::get_class(MonoClass *p_mono_class) {
 	return wrapped_class;
 }
 
-GDMonoClass *GDMonoAssembly::get_object_derived_class(const StringName &p_class) {
-	GDMonoClass *match = nullptr;
-
-	if (gdobject_class_cache_updated) {
-		Map<StringName, GDMonoClass *>::Element *result = gdobject_class_cache.find(p_class);
-
-		if (result) {
-			match = result->get();
-		}
-	} else {
-		List<GDMonoClass *> nested_classes;
-
-		int rows = mono_image_get_table_rows(image, MONO_TABLE_TYPEDEF);
-
-		for (int i = 1; i < rows; i++) {
-			MonoClass *mono_class = mono_class_get(image, (i + 1) | MONO_TOKEN_TYPE_DEF);
-
-			if (!mono_class_is_assignable_from(CACHED_CLASS_RAW(GodotObject), mono_class)) {
-				continue;
-			}
-
-			GDMonoClass *current = get_class(mono_class);
-
-			if (!current) {
-				continue;
-			}
-
-			nested_classes.push_back(current);
-
-			if (!match && current->get_name() == p_class) {
-				match = current;
-			}
-
-			while (!nested_classes.is_empty()) {
-				GDMonoClass *current_nested = nested_classes.front()->get();
-				nested_classes.pop_front();
-
-				void *iter = nullptr;
-
-				while (true) {
-					MonoClass *raw_nested = mono_class_get_nested_types(current_nested->get_mono_ptr(), &iter);
-
-					if (!raw_nested) {
-						break;
-					}
-
-					GDMonoClass *nested_class = get_class(raw_nested);
-
-					if (nested_class) {
-						gdobject_class_cache.insert(nested_class->get_name(), nested_class);
-						nested_classes.push_back(nested_class);
-					}
-				}
-			}
-
-			gdobject_class_cache.insert(current->get_name(), current);
-		}
-
-		gdobject_class_cache_updated = true;
-	}
-
-	return match;
-}
-
 GDMonoAssembly *GDMonoAssembly::load(const String &p_name, MonoAssemblyName *p_aname, bool p_refonly, const Vector<String> &p_search_dirs) {
 	if (GDMono::get_singleton()->get_corlib_assembly() && (p_name == "mscorlib" || p_name == "mscorlib.dll")) {
 		return GDMono::get_singleton()->get_corlib_assembly();
diff --git a/modules/mono/mono_gd/gd_mono_assembly.h b/modules/mono/mono_gd/gd_mono_assembly.h
index 350fcf3210..6191c491f4 100644
--- a/modules/mono/mono_gd/gd_mono_assembly.h
+++ b/modules/mono/mono_gd/gd_mono_assembly.h
@@ -71,13 +71,13 @@ class GDMonoAssembly {
 	MonoImage *image;
 	MonoAssembly *assembly;
 
+	bool attrs_fetched = false;
+	MonoCustomAttrInfo *attributes = nullptr;
+
 #ifdef GD_MONO_HOT_RELOAD
 	uint64_t modified_time = 0;
 #endif
 
-	bool gdobject_class_cache_updated = false;
-	Map<StringName, GDMonoClass *> gdobject_class_cache;
-
 	HashMap<ClassKey, GDMonoClass *, ClassKey::Hasher> cached_classes;
 	Map<MonoClass *, GDMonoClass *> cached_raw;
 
@@ -111,11 +111,14 @@ public:
 
 	String get_path() const;
 
+	bool has_attribute(GDMonoClass *p_attr_class);
+	MonoObject *get_attribute(GDMonoClass *p_attr_class);
+
+	void fetch_attributes();
+
 	GDMonoClass *get_class(const StringName &p_namespace, const StringName &p_name);
 	GDMonoClass *get_class(MonoClass *p_mono_class);
 
-	GDMonoClass *get_object_derived_class(const StringName &p_class);
-
 	static String find_assembly(const String &p_name);
 
 	static void fill_search_dirs(Vector<String> &r_search_dirs, const String &p_custom_config = String(), const String &p_custom_bcl_dir = String());
diff --git a/modules/mono/mono_gd/gd_mono_cache.cpp b/modules/mono/mono_gd/gd_mono_cache.cpp
index aea467660f..d66cc29b9a 100644
--- a/modules/mono/mono_gd/gd_mono_cache.cpp
+++ b/modules/mono/mono_gd/gd_mono_cache.cpp
@@ -148,6 +148,11 @@ void CachedData::clear_godot_api_cache() {
 	class_PuppetSyncAttribute = nullptr;
 	class_GodotMethodAttribute = nullptr;
 	field_GodotMethodAttribute_methodName = nullptr;
+	class_ScriptPathAttribute = nullptr;
+	field_ScriptPathAttribute_path = nullptr;
+	class_AssemblyHasScriptsAttribute = nullptr;
+	field_AssemblyHasScriptsAttribute_requiresLookup = nullptr;
+	field_AssemblyHasScriptsAttribute_scriptTypes = nullptr;
 
 	field_GodotObject_ptr = nullptr;
 	field_StringName_ptr = nullptr;
@@ -272,6 +277,11 @@ void update_godot_api_cache() {
 	CACHE_CLASS_AND_CHECK(PuppetSyncAttribute, GODOT_API_CLASS(PuppetSyncAttribute));
 	CACHE_CLASS_AND_CHECK(GodotMethodAttribute, GODOT_API_CLASS(GodotMethodAttribute));
 	CACHE_FIELD_AND_CHECK(GodotMethodAttribute, methodName, CACHED_CLASS(GodotMethodAttribute)->get_field("methodName"));
+	CACHE_CLASS_AND_CHECK(ScriptPathAttribute, GODOT_API_CLASS(ScriptPathAttribute));
+	CACHE_FIELD_AND_CHECK(ScriptPathAttribute, path, CACHED_CLASS(ScriptPathAttribute)->get_field("path"));
+	CACHE_CLASS_AND_CHECK(AssemblyHasScriptsAttribute, GODOT_API_CLASS(AssemblyHasScriptsAttribute));
+	CACHE_FIELD_AND_CHECK(AssemblyHasScriptsAttribute, requiresLookup, CACHED_CLASS(AssemblyHasScriptsAttribute)->get_field("requiresLookup"));
+	CACHE_FIELD_AND_CHECK(AssemblyHasScriptsAttribute, scriptTypes, CACHED_CLASS(AssemblyHasScriptsAttribute)->get_field("scriptTypes"));
 
 	CACHE_FIELD_AND_CHECK(GodotObject, ptr, CACHED_CLASS(GodotObject)->get_field(BINDINGS_PTR_FIELD));
 	CACHE_FIELD_AND_CHECK(StringName, ptr, CACHED_CLASS(StringName)->get_field(BINDINGS_PTR_FIELD));
diff --git a/modules/mono/mono_gd/gd_mono_cache.h b/modules/mono/mono_gd/gd_mono_cache.h
index fb75cb4b1c..51370da452 100644
--- a/modules/mono/mono_gd/gd_mono_cache.h
+++ b/modules/mono/mono_gd/gd_mono_cache.h
@@ -119,6 +119,11 @@ struct CachedData {
 	GDMonoClass *class_PuppetSyncAttribute;
 	GDMonoClass *class_GodotMethodAttribute;
 	GDMonoField *field_GodotMethodAttribute_methodName;
+	GDMonoClass *class_ScriptPathAttribute;
+	GDMonoField *field_ScriptPathAttribute_path;
+	GDMonoClass *class_AssemblyHasScriptsAttribute;
+	GDMonoField *field_AssemblyHasScriptsAttribute_requiresLookup;
+	GDMonoField *field_AssemblyHasScriptsAttribute_scriptTypes;
 
 	GDMonoField *field_GodotObject_ptr;
 	GDMonoField *field_StringName_ptr;
diff --git a/modules/mono/mono_gd/gd_mono_internals.cpp b/modules/mono/mono_gd/gd_mono_internals.cpp
index 65e2680905..fa93c6533a 100644
--- a/modules/mono/mono_gd/gd_mono_internals.cpp
+++ b/modules/mono/mono_gd/gd_mono_internals.cpp
@@ -43,7 +43,6 @@
 #include <mono/metadata/exception.h>
 
 namespace GDMonoInternals {
-
 void tie_managed_to_unmanaged(MonoObject *managed, Object *unmanaged) {
 	// This method should not fail
 
@@ -113,9 +112,11 @@ void tie_managed_to_unmanaged(MonoObject *managed, Object *unmanaged) {
 
 void unhandled_exception(MonoException *p_exc) {
 	mono_print_unhandled_exception((MonoObject *)p_exc);
+	gd_unhandled_exception_event(p_exc);
 
 	if (GDMono::get_singleton()->get_unhandled_exception_policy() == GDMono::POLICY_TERMINATE_APP) {
 		// Too bad 'mono_invoke_unhandled_exception_hook' is not exposed to embedders
+		mono_unhandled_exception((MonoObject *)p_exc);
 		GDMono::unhandled_exception_hook((MonoObject *)p_exc, nullptr);
 		GD_UNREACHABLE();
 	} else {
@@ -127,4 +128,14 @@ void unhandled_exception(MonoException *p_exc) {
 #endif
 	}
 }
+
+void gd_unhandled_exception_event(MonoException *p_exc) {
+	MonoImage *mono_image = GDMono::get_singleton()->get_core_api_assembly()->get_image();
+
+	MonoClass *gd_klass = mono_class_from_name(mono_image, "Godot", "GD");
+	MonoMethod *unhandled_exception_method = mono_class_get_method_from_name(gd_klass, "OnUnhandledException", -1);
+	void *args[1];
+	args[0] = p_exc;
+	mono_runtime_invoke(unhandled_exception_method, nullptr, (void **)args, nullptr);
+}
 } // namespace GDMonoInternals
diff --git a/modules/mono/mono_gd/gd_mono_internals.h b/modules/mono/mono_gd/gd_mono_internals.h
index 34d2d35b2d..26eb270eee 100644
--- a/modules/mono/mono_gd/gd_mono_internals.h
+++ b/modules/mono/mono_gd/gd_mono_internals.h
@@ -38,7 +38,6 @@
 #include "core/object/class_db.h"
 
 namespace GDMonoInternals {
-
 void tie_managed_to_unmanaged(MonoObject *managed, Object *unmanaged);
 
 /**
@@ -46,6 +45,8 @@ void tie_managed_to_unmanaged(MonoObject *managed, Object *unmanaged);
  * Use GDMonoUtils::debug_unhandled_exception(MonoException *) instead.
  */
 void unhandled_exception(MonoException *p_exc);
+
+void gd_unhandled_exception_event(MonoException *p_exc);
 } // namespace GDMonoInternals
 
 #endif // GD_MONO_INTERNALS_H