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			421 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			421 lines
		
	
	
	
		
			16 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*************************************************************************/
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| /*  nativescript.h                                                       */
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| /*************************************************************************/
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| /*                       This file is part of:                           */
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| /*                           GODOT ENGINE                                */
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| /*                      https://godotengine.org                          */
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| /*************************************************************************/
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| /* Copyright (c) 2007-2020 Juan Linietsky, Ariel Manzur.                 */
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| /* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md).   */
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| /*                                                                       */
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| /* Permission is hereby granted, free of charge, to any person obtaining */
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| /* a copy of this software and associated documentation files (the       */
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| /* "Software"), to deal in the Software without restriction, including   */
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| /* without limitation the rights to use, copy, modify, merge, publish,   */
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| /* distribute, sublicense, and/or sell copies of the Software, and to    */
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| /* permit persons to whom the Software is furnished to do so, subject to */
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| /* the following conditions:                                             */
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| /*                                                                       */
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| /* The above copyright notice and this permission notice shall be        */
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| /* included in all copies or substantial portions of the Software.       */
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| /*                                                                       */
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| /* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,       */
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| /* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF    */
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| /* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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| /* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY  */
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| /* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,  */
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| /* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE     */
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| /* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                */
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| /*************************************************************************/
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| 
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| #ifndef NATIVE_SCRIPT_H
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| #define NATIVE_SCRIPT_H
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| 
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| #include "core/io/resource_loader.h"
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| #include "core/io/resource_saver.h"
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| #include "core/oa_hash_map.h"
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| #include "core/ordered_hash_map.h"
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| #include "core/os/mutex.h"
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| #include "core/os/thread_safe.h"
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| #include "core/resource.h"
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| #include "core/script_language.h"
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| #include "core/self_list.h"
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| #include "scene/main/node.h"
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| 
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| #include "modules/gdnative/gdnative.h"
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| #include <nativescript/godot_nativescript.h>
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| 
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| struct NativeScriptDesc {
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| 
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| 	struct Method {
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| 		godot_instance_method method;
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| 		MethodInfo info;
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| 		int rpc_mode;
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| 		uint16_t rpc_method_id;
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| 		String documentation;
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| 	};
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| 	struct Property {
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| 		godot_property_set_func setter;
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| 		godot_property_get_func getter;
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| 		PropertyInfo info;
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| 		Variant default_value;
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| 		int rset_mode;
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| 		uint16_t rset_property_id;
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| 		String documentation;
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| 	};
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| 
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| 	struct Signal {
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| 		MethodInfo signal;
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| 		String documentation;
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| 	};
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| 
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| 	uint16_t rpc_count;
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| 	Map<StringName, Method> methods;
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| 	uint16_t rset_count;
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| 	OrderedHashMap<StringName, Property> properties;
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| 	Map<StringName, Signal> signals_; // QtCreator doesn't like the name signals
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| 	StringName base;
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| 	StringName base_native_type;
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| 	NativeScriptDesc *base_data;
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| 	godot_instance_create_func create_func;
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| 	godot_instance_destroy_func destroy_func;
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| 
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| 	String documentation;
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| 
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| 	const void *type_tag;
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| 
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| 	bool is_tool;
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| 
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| 	inline NativeScriptDesc() :
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| 			rpc_count(0),
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| 			methods(),
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| 			rset_count(0),
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| 			properties(),
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| 			signals_(),
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| 			base(),
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| 			base_native_type(),
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| 			documentation(),
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| 			type_tag(nullptr) {
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| 		zeromem(&create_func, sizeof(godot_instance_create_func));
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| 		zeromem(&destroy_func, sizeof(godot_instance_destroy_func));
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| 	}
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| };
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| 
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| class NativeScript : public Script {
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| 	GDCLASS(NativeScript, Script);
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| 
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| #ifdef TOOLS_ENABLED
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| 	Set<PlaceHolderScriptInstance *> placeholders;
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| 	void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
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| 	virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder);
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| #endif
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| 
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| 	friend class NativeScriptInstance;
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| 	friend class NativeScriptLanguage;
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| 	friend class NativeReloadNode;
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| 	friend class GDNativeLibrary;
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| 
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| 	Ref<GDNativeLibrary> library;
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| 
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| 	String lib_path;
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| 
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| 	String class_name;
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| 
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| 	String script_class_name;
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| 	String script_class_icon_path;
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| 
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| 	Mutex owners_lock;
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| 	Set<Object *> instance_owners;
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| 
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| protected:
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| 	static void _bind_methods();
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| 
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| public:
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| 	inline NativeScriptDesc *get_script_desc() const;
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| 
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| 	void set_class_name(String p_class_name);
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| 	String get_class_name() const;
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| 
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| 	void set_library(Ref<GDNativeLibrary> p_library);
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| 	Ref<GDNativeLibrary> get_library() const;
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| 
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| 	void set_script_class_name(String p_type);
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| 	String get_script_class_name() const;
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| 	void set_script_class_icon_path(String p_icon_path);
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| 	String get_script_class_icon_path() const;
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| 
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| 	virtual bool can_instance() const;
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| 
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| 	virtual Ref<Script> get_base_script() const; //for script inheritance
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| 
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| 	virtual StringName get_instance_base_type() const; // this may not work in all scripts, will return empty if so
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| 	virtual ScriptInstance *instance_create(Object *p_this);
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| 	virtual PlaceHolderScriptInstance *placeholder_instance_create(Object *p_this);
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| 	virtual bool instance_has(const Object *p_this) const;
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| 
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| 	virtual bool has_source_code() const;
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| 	virtual String get_source_code() const;
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| 	virtual void set_source_code(const String &p_code);
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| 	virtual Error reload(bool p_keep_state = false);
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| 
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| 	virtual bool has_method(const StringName &p_method) const;
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| 	virtual MethodInfo get_method_info(const StringName &p_method) const;
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| 
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| 	virtual bool is_tool() const;
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| 	virtual bool is_valid() const;
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| 
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| 	virtual ScriptLanguage *get_language() const;
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| 
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| 	virtual bool has_script_signal(const StringName &p_signal) const;
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| 	virtual void get_script_signal_list(List<MethodInfo> *r_signals) const;
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| 
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| 	virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const;
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| 
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| 	virtual void update_exports(); //editor tool
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| 	virtual void get_script_method_list(List<MethodInfo> *p_list) const;
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| 	virtual void get_script_property_list(List<PropertyInfo> *p_list) const;
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| 
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| 	virtual Vector<ScriptNetData> get_rpc_methods() const;
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| 	virtual uint16_t get_rpc_method_id(const StringName &p_method) const;
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| 	virtual StringName get_rpc_method(uint16_t p_id) const;
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| 	virtual MultiplayerAPI::RPCMode get_rpc_mode_by_id(uint16_t p_id) const;
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| 	virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
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| 
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| 	virtual Vector<ScriptNetData> get_rset_properties() const;
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| 	virtual uint16_t get_rset_property_id(const StringName &p_variable) const;
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| 	virtual StringName get_rset_property(uint16_t p_id) const;
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| 	virtual MultiplayerAPI::RPCMode get_rset_mode_by_id(uint16_t p_id) const;
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| 	virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
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| 
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| 	String get_class_documentation() const;
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| 	String get_method_documentation(const StringName &p_method) const;
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| 	String get_signal_documentation(const StringName &p_signal_name) const;
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| 	String get_property_documentation(const StringName &p_path) const;
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| 
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| 	Variant _new(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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| 
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| 	NativeScript();
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| 	~NativeScript();
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| };
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| 
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| class NativeScriptInstance : public ScriptInstance {
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| 
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| 	friend class NativeScript;
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| 
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| 	Object *owner;
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| 	Ref<NativeScript> script;
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| #ifdef DEBUG_ENABLED
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| 	StringName current_method_call;
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| #endif
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| 
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| 	void _ml_call_reversed(NativeScriptDesc *script_data, const StringName &p_method, const Variant **p_args, int p_argcount);
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| 
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| public:
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| 	void *userdata;
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| 
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| 	virtual bool set(const StringName &p_name, const Variant &p_value);
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| 	virtual bool get(const StringName &p_name, Variant &r_ret) const;
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| 	virtual void get_property_list(List<PropertyInfo> *p_properties) const;
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| 	virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid) const;
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| 	virtual void get_method_list(List<MethodInfo> *p_list) const;
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| 	virtual bool has_method(const StringName &p_method) const;
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| 	virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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| 	virtual void notification(int p_notification);
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| 	String to_string(bool *r_valid);
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| 	virtual Ref<Script> get_script() const;
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| 
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| 	virtual Vector<ScriptNetData> get_rpc_methods() const;
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| 	virtual uint16_t get_rpc_method_id(const StringName &p_method) const;
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| 	virtual StringName get_rpc_method(uint16_t p_id) const;
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| 	virtual MultiplayerAPI::RPCMode get_rpc_mode_by_id(uint16_t p_id) const;
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| 	virtual MultiplayerAPI::RPCMode get_rpc_mode(const StringName &p_method) const;
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| 
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| 	virtual Vector<ScriptNetData> get_rset_properties() const;
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| 	virtual uint16_t get_rset_property_id(const StringName &p_variable) const;
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| 	virtual StringName get_rset_property(uint16_t p_id) const;
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| 	virtual MultiplayerAPI::RPCMode get_rset_mode_by_id(uint16_t p_id) const;
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| 	virtual MultiplayerAPI::RPCMode get_rset_mode(const StringName &p_variable) const;
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| 
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| 	virtual ScriptLanguage *get_language();
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| 
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| 	virtual void call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount);
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| 	virtual void call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount);
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| 
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| 	virtual void refcount_incremented();
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| 	virtual bool refcount_decremented();
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| 
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| 	~NativeScriptInstance();
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| };
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| 
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| class NativeReloadNode;
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| 
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| class NativeScriptLanguage : public ScriptLanguage {
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| 
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| 	friend class NativeScript;
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| 	friend class NativeScriptInstance;
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| 	friend class NativeReloadNode;
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| 
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| private:
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| 	static NativeScriptLanguage *singleton;
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| 	int lang_idx;
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| 
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| 	void _unload_stuff(bool p_reload = false);
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| 
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| 	Mutex mutex;
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| #ifndef NO_THREADS
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| 	Set<Ref<GDNativeLibrary>> libs_to_init;
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| 	Set<NativeScript *> scripts_to_register;
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| 	volatile bool has_objects_to_register; // so that we don't lock mutex every frame - it's rarely needed
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| 	void defer_init_library(Ref<GDNativeLibrary> lib, NativeScript *script);
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| #endif
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| 
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| 	void init_library(const Ref<GDNativeLibrary> &lib);
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| 	void register_script(NativeScript *script);
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| 	void unregister_script(NativeScript *script);
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| 
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| 	void call_libraries_cb(const StringName &name);
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| 
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| 	Vector<Pair<bool, godot_instance_binding_functions>> binding_functions;
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| 	Set<Vector<void *> *> binding_instances;
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| 
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| 	Map<int, HashMap<StringName, const void *>> global_type_tags;
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| 
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| 	struct ProfileData {
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| 		StringName signature;
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| 		uint64_t call_count;
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| 		uint64_t self_time;
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| 		uint64_t total_time;
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| 		uint64_t frame_call_count;
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| 		uint64_t frame_self_time;
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| 		uint64_t frame_total_time;
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| 		uint64_t last_frame_call_count;
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| 		uint64_t last_frame_self_time;
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| 		uint64_t last_frame_total_time;
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| 	};
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| 
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| 	Map<StringName, ProfileData> profile_data;
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| 	bool profiling;
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| 
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| public:
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| 	// These two maps must only be touched on the main thread
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| 	Map<String, Map<StringName, NativeScriptDesc>> library_classes;
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| 	Map<String, Ref<GDNative>> library_gdnatives;
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| 
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| 	Map<String, Set<NativeScript *>> library_script_users;
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| 
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| 	StringName _init_call_type;
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| 	StringName _init_call_name;
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| 	StringName _terminate_call_name;
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| 	StringName _noarg_call_type;
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| 	StringName _frame_call_name;
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| #ifndef NO_THREADS
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| 	StringName _thread_enter_call_name;
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| 	StringName _thread_exit_call_name;
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| #endif
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| 
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| 	NativeScriptLanguage();
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| 	~NativeScriptLanguage();
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| 
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| 	inline static NativeScriptLanguage *get_singleton() {
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| 		return singleton;
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| 	}
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| 
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| 	void _hacky_api_anchor();
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| 
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| 	_FORCE_INLINE_ void set_language_index(int p_idx) { lang_idx = p_idx; }
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| 
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| #ifndef NO_THREADS
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| 	virtual void thread_enter();
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| 	virtual void thread_exit();
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| #endif
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| 
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| 	virtual void frame();
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| 
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| 	virtual String get_name() const;
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| 	virtual void init();
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| 	virtual String get_type() const;
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| 	virtual String get_extension() const;
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| 	virtual Error execute_file(const String &p_path);
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| 	virtual void finish();
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| 	virtual void get_reserved_words(List<String> *p_words) const;
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| 	virtual void get_comment_delimiters(List<String> *p_delimiters) const;
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| 	virtual void get_string_delimiters(List<String> *p_delimiters) const;
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| 	virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;
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| 	virtual bool validate(const String &p_script, int &r_line_error, int &r_col_error, String &r_test_error, const String &p_path, List<String> *r_functions, List<ScriptLanguage::Warning> *r_warnings = nullptr, Set<int> *r_safe_lines = nullptr) const;
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| 	virtual Script *create_script() const;
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| 	virtual bool has_named_classes() const;
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| 	virtual bool supports_builtin_mode() const;
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| 	virtual int find_function(const String &p_function, const String &p_code) const;
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| 	virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const;
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| 	virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const;
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| 	virtual void add_global_constant(const StringName &p_variable, const Variant &p_value);
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| 	virtual String debug_get_error() const;
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| 	virtual int debug_get_stack_level_count() const;
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| 	virtual int debug_get_stack_level_line(int p_level) const;
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| 	virtual String debug_get_stack_level_function(int p_level) const;
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| 	virtual String debug_get_stack_level_source(int p_level) const;
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| 	virtual void debug_get_stack_level_locals(int p_level, List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth);
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| 	virtual void debug_get_stack_level_members(int p_level, List<String> *p_members, List<Variant> *p_values, int p_max_subitems, int p_max_depth);
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| 	virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth);
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| 	virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems, int p_max_depth);
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| 	virtual void reload_all_scripts();
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| 	virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload);
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| 	virtual void get_recognized_extensions(List<String> *p_extensions) const;
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| 	virtual void get_public_functions(List<MethodInfo> *p_functions) const;
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| 	virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const;
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| 	virtual void profiling_start();
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| 	virtual void profiling_stop();
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| 	virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max);
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| 	virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max);
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| 
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| 	int register_binding_functions(godot_instance_binding_functions p_binding_functions);
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| 	void unregister_binding_functions(int p_idx);
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| 
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| 	void *get_instance_binding_data(int p_idx, Object *p_object);
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| 
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| 	virtual void *alloc_instance_binding_data(Object *p_object);
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| 	virtual void free_instance_binding_data(void *p_data);
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| 	virtual void refcount_incremented_instance_binding(Object *p_object);
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| 	virtual bool refcount_decremented_instance_binding(Object *p_object);
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| 
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| 	void set_global_type_tag(int p_idx, StringName p_class_name, const void *p_type_tag);
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| 	const void *get_global_type_tag(int p_idx, StringName p_class_name) const;
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| 
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| 	virtual bool handles_global_class_type(const String &p_type) const;
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| 	virtual String get_global_class_name(const String &p_path, String *r_base_type, String *r_icon_path) const;
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| 
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| 	void profiling_add_data(StringName p_signature, uint64_t p_time);
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| };
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| 
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| inline NativeScriptDesc *NativeScript::get_script_desc() const {
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| 	Map<StringName, NativeScriptDesc>::Element *E = NativeScriptLanguage::singleton->library_classes[lib_path].find(class_name);
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| 	return E ? &E->get() : nullptr;
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| }
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| 
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| class NativeReloadNode : public Node {
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| 	GDCLASS(NativeReloadNode, Node);
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| 	bool unloaded;
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| 
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| public:
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| 	static void _bind_methods();
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| 	void _notification(int p_what);
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| 
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| 	NativeReloadNode() :
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| 			unloaded(false) {}
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| };
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| 
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| class ResourceFormatLoaderNativeScript : public ResourceFormatLoader {
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| public:
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| 	virtual RES load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr);
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| 	virtual void get_recognized_extensions(List<String> *p_extensions) const;
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| 	virtual bool handles_type(const String &p_type) const;
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| 	virtual String get_resource_type(const String &p_path) const;
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| };
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| 
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| class ResourceFormatSaverNativeScript : public ResourceFormatSaver {
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| 	virtual Error save(const String &p_path, const RES &p_resource, uint32_t p_flags = 0);
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| 	virtual bool recognize(const RES &p_resource) const;
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| 	virtual void get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const;
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| };
 | |
| 
 | |
| #endif // GDNATIVE_H
 | 
