Merge pull request #16770 from paulloz/csharp-signal-attribute

C# Signal attribute

6 files changed, 54 insertions, 0 deletions

diff --git a/modules/mono/mono_gd/gd_mono_class.cpp b/modules/mono/mono_gd/gd_mono_class.cpp
index b826352f02..66339d7ae6 100644
--- a/modules/mono/mono_gd/gd_mono_class.cpp
+++ b/modules/mono/mono_gd/gd_mono_class.cpp
@@ -404,6 +404,33 @@ const Vector<GDMonoProperty *> &GDMonoClass::get_all_properties() {
 	return properties_list;
 }
 
+const Vector<GDMonoClass *> &GDMonoClass::get_all_delegates() {
+	if (delegates_fetched)
+		return delegates_list;
+
+	void *iter = NULL;
+	MonoClass *raw_class = NULL;
+	while ((raw_class = mono_class_get_nested_types(mono_class, &iter)) != NULL) {
+		if (mono_class_is_delegate(raw_class)) {
+			StringName name = mono_class_get_name(raw_class);
+
+			Map<StringName, GDMonoClass *>::Element *match = delegates.find(name);
+
+			if (match) {
+				delegates_list.push_back(match->get());
+			} else {
+				GDMonoClass *delegate = memnew(GDMonoClass(mono_class_get_namespace(raw_class), mono_class_get_name(raw_class), raw_class, assembly));
+				delegates.insert(name, delegate);
+				delegates_list.push_back(delegate);
+			}
+		}
+	}
+
+	delegates_fetched = true;
+
+	return delegates_list;
+}
+
 GDMonoClass::GDMonoClass(const StringName &p_namespace, const StringName &p_name, MonoClass *p_class, GDMonoAssembly *p_assembly) {
 
 	namespace_name = p_namespace;
@@ -417,6 +444,7 @@ GDMonoClass::GDMonoClass(const StringName &p_namespace, const StringName &p_name
 	methods_fetched = false;
 	fields_fetched = false;
 	properties_fetched = false;
+	delegates_fetched = false;
 }
 
 GDMonoClass::~GDMonoClass() {
diff --git a/modules/mono/mono_gd/gd_mono_class.h b/modules/mono/mono_gd/gd_mono_class.h
index afccf2fc63..417c138594 100644
--- a/modules/mono/mono_gd/gd_mono_class.h
+++ b/modules/mono/mono_gd/gd_mono_class.h
@@ -90,6 +90,10 @@ class GDMonoClass {
 	Map<StringName, GDMonoProperty *> properties;
 	Vector<GDMonoProperty *> properties_list;
 
+	bool delegates_fetched;
+	Map<StringName, GDMonoClass *> delegates;
+	Vector<GDMonoClass *> delegates_list;
+
 	friend class GDMonoAssembly;
 	GDMonoClass(const StringName &p_namespace, const StringName &p_name, MonoClass *p_class, GDMonoAssembly *p_assembly);
 
@@ -133,6 +137,8 @@ public:
 	GDMonoProperty *get_property(const StringName &p_name);
 	const Vector<GDMonoProperty *> &get_all_properties();
 
+	const Vector<GDMonoClass *> &get_all_delegates();
+
 	~GDMonoClass();
 };
 
diff --git a/modules/mono/mono_gd/gd_mono_method.cpp b/modules/mono/mono_gd/gd_mono_method.cpp
index 1f8e9a1926..df0985f6ac 100644
--- a/modules/mono/mono_gd/gd_mono_method.cpp
+++ b/modules/mono/mono_gd/gd_mono_method.cpp
@@ -229,6 +229,20 @@ String GDMonoMethod::get_signature_desc(bool p_namespaces) const {
 	return res;
 }
 
+void GDMonoMethod::get_parameter_names(Vector<StringName> &names) const {
+	const char *_names[params_count];
+	mono_method_get_param_names(mono_method, _names);
+	for (int i = 0; i < params_count; ++i) {
+		names.push_back(StringName(_names[i]));
+	}
+}
+
+void GDMonoMethod::get_parameter_types(Vector<ManagedType> &types) const {
+	for (int i = 0; i < param_types.size(); ++i) {
+		types.push_back(param_types[i]);
+	}
+}
+
 GDMonoMethod::GDMonoMethod(StringName p_name, MonoMethod *p_method) {
 	name = p_name;
 
diff --git a/modules/mono/mono_gd/gd_mono_method.h b/modules/mono/mono_gd/gd_mono_method.h
index 14df8dcfb4..a173af83f4 100644
--- a/modules/mono/mono_gd/gd_mono_method.h
+++ b/modules/mono/mono_gd/gd_mono_method.h
@@ -80,6 +80,9 @@ public:
 	String get_ret_type_full_name() const;
 	String get_signature_desc(bool p_namespaces = false) const;
 
+	void get_parameter_names(Vector<StringName> &names) const;
+	void get_parameter_types(Vector<ManagedType> &types) const;
+
 	GDMonoMethod(StringName p_name, MonoMethod *p_method);
 	~GDMonoMethod();
 };
diff --git a/modules/mono/mono_gd/gd_mono_utils.cpp b/modules/mono/mono_gd/gd_mono_utils.cpp
index a2f0819a72..42e307cf08 100644
--- a/modules/mono/mono_gd/gd_mono_utils.cpp
+++ b/modules/mono/mono_gd/gd_mono_utils.cpp
@@ -114,6 +114,7 @@ void MonoCache::clear_members() {
 	class_ExportAttribute = NULL;
 	field_ExportAttribute_hint = NULL;
 	field_ExportAttribute_hintString = NULL;
+	class_SignalAttribute = NULL;
 	class_ToolAttribute = NULL;
 	class_RemoteAttribute = NULL;
 	class_SyncAttribute = NULL;
@@ -201,6 +202,7 @@ void update_godot_api_cache() {
 	CACHE_CLASS_AND_CHECK(ExportAttribute, GODOT_API_CLASS(ExportAttribute));
 	CACHE_FIELD_AND_CHECK(ExportAttribute, hint, CACHED_CLASS(ExportAttribute)->get_field("hint"));
 	CACHE_FIELD_AND_CHECK(ExportAttribute, hintString, CACHED_CLASS(ExportAttribute)->get_field("hintString"));
+	CACHE_CLASS_AND_CHECK(SignalAttribute, GODOT_API_CLASS(SignalAttribute));
 	CACHE_CLASS_AND_CHECK(ToolAttribute, GODOT_API_CLASS(ToolAttribute));
 	CACHE_CLASS_AND_CHECK(RemoteAttribute, GODOT_API_CLASS(RemoteAttribute));
 	CACHE_CLASS_AND_CHECK(SyncAttribute, GODOT_API_CLASS(SyncAttribute));
diff --git a/modules/mono/mono_gd/gd_mono_utils.h b/modules/mono/mono_gd/gd_mono_utils.h
index 259da46c31..1a34180d15 100644
--- a/modules/mono/mono_gd/gd_mono_utils.h
+++ b/modules/mono/mono_gd/gd_mono_utils.h
@@ -108,6 +108,7 @@ struct MonoCache {
 	GDMonoClass *class_ExportAttribute;
 	GDMonoField *field_ExportAttribute_hint;
 	GDMonoField *field_ExportAttribute_hintString;
+	GDMonoClass *class_SignalAttribute;
 	GDMonoClass *class_ToolAttribute;
 	GDMonoClass *class_RemoteAttribute;
 	GDMonoClass *class_SyncAttribute;