C#: Add source generator for signals as events

Changed the signal declaration signal to:

```
// The following generates a MySignal event
[Signal] public delegate void MySignalEventHandler(int param);
```

3 files changed, 11 insertions, 17 deletions

diff --git a/modules/mono/mono_gd/gd_mono.cpp b/modules/mono/mono_gd/gd_mono.cpp
index f5e38c2e61..b3ecee620f 100644
--- a/modules/mono/mono_gd/gd_mono.cpp
+++ b/modules/mono/mono_gd/gd_mono.cpp
@@ -299,16 +299,6 @@ using godot_plugins_initialize_fn = bool (*)(void *, bool, gdmono::PluginCallbac
 using godot_plugins_initialize_fn = bool (*)(void *, GDMonoCache::ManagedCallbacks *);
 #endif
 
-static String get_assembly_name() {
-	String appname = ProjectSettings::get_singleton()->get("application/config/name");
-	String appname_safe = OS::get_singleton()->get_safe_dir_name(appname);
-	if (appname_safe.is_empty()) {
-		appname_safe = "UnnamedProject";
-	}
-
-	return appname_safe;
-}
-
 #ifdef TOOLS_ENABLED
 godot_plugins_initialize_fn initialize_hostfxr_and_godot_plugins(bool &r_runtime_initialized) {
 	godot_plugins_initialize_fn godot_plugins_initialize = nullptr;
@@ -338,6 +328,16 @@ godot_plugins_initialize_fn initialize_hostfxr_and_godot_plugins(bool &r_runtime
 	return godot_plugins_initialize;
 }
 #else
+static String get_assembly_name() {
+	String appname = ProjectSettings::get_singleton()->get("application/config/name");
+	String appname_safe = OS::get_singleton()->get_safe_dir_name(appname);
+	if (appname_safe.is_empty()) {
+		appname_safe = "UnnamedProject";
+	}
+
+	return appname_safe;
+}
+
 godot_plugins_initialize_fn initialize_hostfxr_and_godot_plugins(bool &r_runtime_initialized) {
 	godot_plugins_initialize_fn godot_plugins_initialize = nullptr;
 
diff --git a/modules/mono/mono_gd/gd_mono_cache.cpp b/modules/mono/mono_gd/gd_mono_cache.cpp
index 37433c59ee..bfd803f326 100644
--- a/modules/mono/mono_gd/gd_mono_cache.cpp
+++ b/modules/mono/mono_gd/gd_mono_cache.cpp
@@ -60,8 +60,6 @@ void update_godot_api_cache(const ManagedCallbacks &p_managed_callbacks) {
 	CHECK_CALLBACK_NOT_NULL(ScriptManagerBridge, GetScriptNativeName);
 	CHECK_CALLBACK_NOT_NULL(ScriptManagerBridge, SetGodotObjectPtr);
 	CHECK_CALLBACK_NOT_NULL(ScriptManagerBridge, RaiseEventSignal);
-	CHECK_CALLBACK_NOT_NULL(ScriptManagerBridge, GetScriptSignalList);
-	CHECK_CALLBACK_NOT_NULL(ScriptManagerBridge, HasScriptSignal);
 	CHECK_CALLBACK_NOT_NULL(ScriptManagerBridge, ScriptIsOrInherits);
 	CHECK_CALLBACK_NOT_NULL(ScriptManagerBridge, AddScriptBridge);
 	CHECK_CALLBACK_NOT_NULL(ScriptManagerBridge, GetOrCreateScriptBridgeForPath);
diff --git a/modules/mono/mono_gd/gd_mono_cache.h b/modules/mono/mono_gd/gd_mono_cache.h
index 92778cc2c9..3c58c251b7 100644
--- a/modules/mono/mono_gd/gd_mono_cache.h
+++ b/modules/mono/mono_gd/gd_mono_cache.h
@@ -82,14 +82,12 @@ struct ManagedCallbacks {
 	using FuncScriptManagerBridge_GetScriptNativeName = void(GD_CLR_STDCALL *)(const CSharpScript *, StringName *);
 	using FuncScriptManagerBridge_SetGodotObjectPtr = void(GD_CLR_STDCALL *)(GCHandleIntPtr, Object *);
 	using FuncScriptManagerBridge_RaiseEventSignal = void(GD_CLR_STDCALL *)(GCHandleIntPtr, const StringName *, const Variant **, int32_t, bool *);
-	using FuncScriptManagerBridge_GetScriptSignalList = void(GD_CLR_STDCALL *)(const CSharpScript *, Dictionary *);
-	using FuncScriptManagerBridge_HasScriptSignal = bool(GD_CLR_STDCALL *)(const CSharpScript *, const String *);
 	using FuncScriptManagerBridge_ScriptIsOrInherits = bool(GD_CLR_STDCALL *)(const CSharpScript *, const CSharpScript *);
 	using FuncScriptManagerBridge_AddScriptBridge = bool(GD_CLR_STDCALL *)(const CSharpScript *, const String *);
 	using FuncScriptManagerBridge_GetOrCreateScriptBridgeForPath = void(GD_CLR_STDCALL *)(const String *, Ref<CSharpScript> *);
 	using FuncScriptManagerBridge_RemoveScriptBridge = void(GD_CLR_STDCALL *)(const CSharpScript *);
 	using FuncScriptManagerBridge_TryReloadRegisteredScriptWithClass = bool(GD_CLR_STDCALL *)(const CSharpScript *);
-	using FuncScriptManagerBridge_UpdateScriptClassInfo = void(GD_CLR_STDCALL *)(const CSharpScript *, bool *, Dictionary *, Ref<CSharpScript> *);
+	using FuncScriptManagerBridge_UpdateScriptClassInfo = void(GD_CLR_STDCALL *)(const CSharpScript *, bool *, Dictionary *, Dictionary *, Ref<CSharpScript> *);
 	using FuncScriptManagerBridge_SwapGCHandleForType = bool(GD_CLR_STDCALL *)(GCHandleIntPtr, GCHandleIntPtr *, bool);
 	using FuncScriptManagerBridge_GetPropertyInfoList = void(GD_CLR_STDCALL *)(CSharpScript *, Callback_ScriptManagerBridge_GetPropertyInfoList_Add);
 	using FuncScriptManagerBridge_GetPropertyDefaultValues = void(GD_CLR_STDCALL *)(CSharpScript *, Callback_ScriptManagerBridge_GetPropertyDefaultValues_Add);
@@ -117,8 +115,6 @@ struct ManagedCallbacks {
 	FuncScriptManagerBridge_GetScriptNativeName ScriptManagerBridge_GetScriptNativeName;
 	FuncScriptManagerBridge_SetGodotObjectPtr ScriptManagerBridge_SetGodotObjectPtr;
 	FuncScriptManagerBridge_RaiseEventSignal ScriptManagerBridge_RaiseEventSignal;
-	FuncScriptManagerBridge_GetScriptSignalList ScriptManagerBridge_GetScriptSignalList;
-	FuncScriptManagerBridge_HasScriptSignal ScriptManagerBridge_HasScriptSignal;
 	FuncScriptManagerBridge_ScriptIsOrInherits ScriptManagerBridge_ScriptIsOrInherits;
 	FuncScriptManagerBridge_AddScriptBridge ScriptManagerBridge_AddScriptBridge;
 	FuncScriptManagerBridge_GetOrCreateScriptBridgeForPath ScriptManagerBridge_GetOrCreateScriptBridgeForPath;