Merge pull request #59553 from reduz/script-extension-support

1 files changed, 88 insertions, 0 deletions

diff --git a/core/extension/gdnative_interface.h b/core/extension/gdnative_interface.h
index c86bee316d..732a1b5af0 100644
--- a/core/extension/gdnative_interface.h
+++ b/core/extension/gdnative_interface.h
@@ -205,6 +205,17 @@ typedef struct {
 	uint32_t usage;
 } GDNativePropertyInfo;
 
+typedef struct {
+	const char *name;
+	GDNativePropertyInfo return_value;
+	uint32_t flags; // From GDNativeExtensionClassMethodFlags
+	int32_t id;
+	GDNativePropertyInfo *arguments;
+	uint32_t argument_count;
+	GDNativeVariantPtr default_arguments;
+	uint32_t default_argument_count;
+} GDNativeMethodInfo;
+
 typedef const GDNativePropertyInfo *(*GDNativeExtensionClassGetPropertyList)(GDExtensionClassInstancePtr p_instance, uint32_t *r_count);
 typedef void (*GDNativeExtensionClassFreePropertyList)(GDExtensionClassInstancePtr p_instance, const GDNativePropertyInfo *p_list);
 typedef void (*GDNativeExtensionClassNotification)(GDExtensionClassInstancePtr p_instance, int32_t p_what);
@@ -289,6 +300,79 @@ typedef struct {
 	GDNativeVariantPtr *default_arguments;
 } GDNativeExtensionClassMethodInfo;
 
+/* SCRIPT INSTANCE EXTENSION */
+
+typedef void *GDNativeExtensionScriptInstanceDataPtr; // Pointer to custom ScriptInstance native implementation
+
+typedef GDNativeBool (*GDNativeExtensionScriptInstanceSet)(GDNativeExtensionScriptInstanceDataPtr p_instance, const GDNativeStringNamePtr p_name, const GDNativeVariantPtr p_value);
+typedef GDNativeBool (*GDNativeExtensionScriptInstanceGet)(GDNativeExtensionScriptInstanceDataPtr p_instance, const GDNativeStringNamePtr p_name, GDNativeVariantPtr r_ret);
+typedef const GDNativePropertyInfo *(*GDNativeExtensionScriptInstanceGetPropertyList)(GDNativeExtensionScriptInstanceDataPtr p_instance, uint32_t *r_count);
+typedef void (*GDNativeExtensionScriptInstanceFreePropertyList)(GDNativeExtensionScriptInstanceDataPtr p_instance, const GDNativePropertyInfo *p_list);
+typedef GDNativeVariantType (*GDNativeExtensionScriptInstanceGetPropertyType)(GDNativeExtensionScriptInstanceDataPtr p_instance, const GDNativeStringNamePtr p_name, GDNativeBool *r_is_valid);
+
+typedef GDNativeObjectPtr (*GDNativeExtensionScriptInstanceGetOwner)(GDNativeExtensionScriptInstanceDataPtr p_instance);
+typedef void (*GDNativeExtensionScriptInstancePropertyStateAdd)(const GDNativeStringNamePtr p_name, const GDNativeVariantPtr p_value, void *p_userdata);
+typedef void (*GDNativeExtensionScriptInstanceGetPropertyState)(GDNativeExtensionScriptInstanceDataPtr p_instance, GDNativeExtensionScriptInstancePropertyStateAdd p_add_func, void *p_userdata);
+
+typedef const GDNativeMethodInfo *(*GDNativeExtensionScriptInstanceGetMethodList)(GDNativeExtensionScriptInstanceDataPtr p_instance, uint32_t *r_count);
+typedef void (*GDNativeExtensionScriptInstanceFreeMethodList)(GDNativeExtensionScriptInstanceDataPtr p_instance, const GDNativeMethodInfo *p_list);
+
+typedef GDNativeBool (*GDNativeExtensionScriptInstanceHasMethod)(GDNativeExtensionScriptInstanceDataPtr p_instance, const GDNativeStringNamePtr p_name);
+
+typedef void (*GDNativeExtensionScriptInstanceCall)(GDNativeExtensionScriptInstanceDataPtr p_self, const GDNativeStringNamePtr p_method, const GDNativeVariantPtr *p_args, const GDNativeInt p_argument_count, GDNativeVariantPtr r_return, GDNativeCallError *r_error);
+typedef void (*GDNativeExtensionScriptInstanceNotification)(GDNativeExtensionScriptInstanceDataPtr p_instance, int32_t p_what);
+typedef const char *(*GDNativeExtensionScriptInstanceToString)(GDNativeExtensionScriptInstanceDataPtr p_instance, GDNativeBool *r_is_valid);
+
+typedef void (*GDNativeExtensionScriptInstanceRefCountIncremented)(GDNativeExtensionScriptInstanceDataPtr p_instance);
+typedef GDNativeBool (*GDNativeExtensionScriptInstanceRefCountDecremented)(GDNativeExtensionScriptInstanceDataPtr p_instance);
+
+typedef GDNativeObjectPtr (*GDNativeExtensionScriptInstanceGetScript)(GDNativeExtensionScriptInstanceDataPtr p_instance);
+typedef GDNativeBool (*GDNativeExtensionScriptInstanceIsPlaceholder)(GDNativeExtensionScriptInstanceDataPtr p_instance);
+
+typedef void *GDNativeExtensionScriptLanguagePtr;
+
+typedef GDNativeExtensionScriptLanguagePtr (*GDNativeExtensionScriptInstanceGetLanguage)(GDNativeExtensionScriptInstanceDataPtr p_instance);
+
+typedef void (*GDNativeExtensionScriptInstanceFree)(GDNativeExtensionScriptInstanceDataPtr p_instance);
+
+typedef void *GDNativeScriptInstancePtr; // Pointer to ScriptInstance.
+
+typedef struct {
+	GDNativeExtensionScriptInstanceSet set_func;
+	GDNativeExtensionScriptInstanceGet get_func;
+	GDNativeExtensionScriptInstanceGetPropertyList get_property_list_func;
+	GDNativeExtensionScriptInstanceFreePropertyList free_property_list_func;
+	GDNativeExtensionScriptInstanceGetPropertyType get_property_type_func;
+
+	GDNativeExtensionScriptInstanceGetOwner get_owner_func;
+	GDNativeExtensionScriptInstanceGetPropertyState get_property_state_func;
+
+	GDNativeExtensionScriptInstanceGetMethodList get_method_list_func;
+	GDNativeExtensionScriptInstanceFreeMethodList free_method_list_func;
+
+	GDNativeExtensionScriptInstanceHasMethod has_method_func;
+
+	GDNativeExtensionScriptInstanceCall call_func;
+	GDNativeExtensionScriptInstanceNotification notification_func;
+
+	GDNativeExtensionScriptInstanceToString to_string_func;
+
+	GDNativeExtensionScriptInstanceRefCountIncremented refcount_incremented_func;
+	GDNativeExtensionScriptInstanceRefCountDecremented refcount_decremented_func;
+
+	GDNativeExtensionScriptInstanceGetScript get_script_func;
+
+	GDNativeExtensionScriptInstanceIsPlaceholder is_placeholder_func;
+
+	GDNativeExtensionScriptInstanceSet set_fallback_func;
+	GDNativeExtensionScriptInstanceGet get_fallback_func;
+
+	GDNativeExtensionScriptInstanceGetLanguage get_language_func;
+
+	GDNativeExtensionScriptInstanceFree free_func;
+
+} GDNativeExtensionScriptInstanceInfo;
+
 /* INTERFACE */
 
 typedef struct {
@@ -441,6 +525,10 @@ typedef struct {
 	GDNativeObjectPtr (*object_get_instance_from_id)(GDObjectInstanceID p_instance_id);
 	GDObjectInstanceID (*object_get_instance_id)(const GDNativeObjectPtr p_object);
 
+	/* SCRIPT INSTANCE */
+
+	GDNativeScriptInstancePtr (*script_instance_create)(const GDNativeExtensionScriptInstanceInfo *p_info, GDNativeExtensionScriptInstanceDataPtr p_instance_data);
+
 	/* CLASSDB */
 	GDNativeObjectPtr (*classdb_construct_object)(const char *p_classname); /* The passed class must be a built-in godot class, or an already-registered extension class. In both case, object_set_instance should be called to fully initialize the object. */
 	GDNativeMethodBindPtr (*classdb_get_method_bind)(const char *p_classname, const char *p_methodname, GDNativeInt p_hash);