2bd714e34e
Defaults to "Auto", which detects the casing based on the preference of the currently selected language (C# for example prefers PascalCase whereas GDScript prefers snake_case).
470 lines
18 KiB
C++
470 lines
18 KiB
C++
/**************************************************************************/
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/* script_language.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) 2014-present Godot Engine contributors (see AUTHORS.md). */
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/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
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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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#ifndef SCRIPT_LANGUAGE_H
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#define SCRIPT_LANGUAGE_H
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#include "core/doc_data.h"
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#include "core/io/resource.h"
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#include "core/object/script_instance.h"
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#include "core/templates/pair.h"
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#include "core/templates/rb_map.h"
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#include "core/templates/safe_refcount.h"
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#include "core/variant/typed_array.h"
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class ScriptLanguage;
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template <typename T>
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class TypedArray;
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typedef void (*ScriptEditRequestFunction)(const String &p_path);
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class ScriptServer {
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enum {
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MAX_LANGUAGES = 16
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};
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static ScriptLanguage *_languages[MAX_LANGUAGES];
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static int _language_count;
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static bool languages_ready;
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static Mutex languages_mutex;
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static bool scripting_enabled;
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static bool reload_scripts_on_save;
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struct GlobalScriptClass {
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StringName language;
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String path;
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StringName base;
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};
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static HashMap<StringName, GlobalScriptClass> global_classes;
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static HashMap<StringName, Vector<StringName>> inheriters_cache;
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static bool inheriters_cache_dirty;
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public:
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static ScriptEditRequestFunction edit_request_func;
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static void set_scripting_enabled(bool p_enabled);
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static bool is_scripting_enabled();
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_FORCE_INLINE_ static int get_language_count() { return _language_count; }
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static ScriptLanguage *get_language(int p_idx);
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static ScriptLanguage *get_language_for_extension(const String &p_extension);
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static Error register_language(ScriptLanguage *p_language);
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static Error unregister_language(const ScriptLanguage *p_language);
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static void set_reload_scripts_on_save(bool p_enable);
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static bool is_reload_scripts_on_save_enabled();
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static void thread_enter();
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static void thread_exit();
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static void global_classes_clear();
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static void add_global_class(const StringName &p_class, const StringName &p_base, const StringName &p_language, const String &p_path);
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static void remove_global_class(const StringName &p_class);
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static void remove_global_class_by_path(const String &p_path);
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static bool is_global_class(const StringName &p_class);
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static StringName get_global_class_language(const StringName &p_class);
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static String get_global_class_path(const String &p_class);
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static StringName get_global_class_base(const String &p_class);
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static StringName get_global_class_native_base(const String &p_class);
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static void get_global_class_list(List<StringName> *r_global_classes);
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static void get_inheriters_list(const StringName &p_base_type, List<StringName> *r_classes);
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static void save_global_classes();
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static String get_global_class_cache_file_path();
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static void init_languages();
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static void finish_languages();
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static bool are_languages_initialized();
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};
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class PlaceHolderScriptInstance;
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class Script : public Resource {
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GDCLASS(Script, Resource);
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OBJ_SAVE_TYPE(Script);
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protected:
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virtual bool editor_can_reload_from_file() override { return false; } // this is handled by editor better
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void _notification(int p_what);
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static void _bind_methods();
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friend class PlaceHolderScriptInstance;
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virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {}
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Variant _get_property_default_value(const StringName &p_property);
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TypedArray<Dictionary> _get_script_property_list();
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TypedArray<Dictionary> _get_script_method_list();
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TypedArray<Dictionary> _get_script_signal_list();
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Dictionary _get_script_constant_map();
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public:
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virtual bool can_instantiate() const = 0;
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virtual Ref<Script> get_base_script() const = 0; //for script inheritance
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virtual StringName get_global_name() const = 0;
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virtual bool inherits_script(const Ref<Script> &p_script) const = 0;
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virtual StringName get_instance_base_type() const = 0; // this may not work in all scripts, will return empty if so
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virtual ScriptInstance *instance_create(Object *p_this) = 0;
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virtual PlaceHolderScriptInstance *placeholder_instance_create(Object *p_this) { return nullptr; }
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virtual bool instance_has(const Object *p_this) const = 0;
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virtual bool has_source_code() const = 0;
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virtual String get_source_code() const = 0;
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virtual void set_source_code(const String &p_code) = 0;
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virtual Error reload(bool p_keep_state = false) = 0;
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#ifdef TOOLS_ENABLED
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virtual Vector<DocData::ClassDoc> get_documentation() const = 0;
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virtual String get_class_icon_path() const = 0;
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virtual PropertyInfo get_class_category() const;
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#endif // TOOLS_ENABLED
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// TODO: In the next compat breakage rename to `*_script_*` to disambiguate from `Object::has_method()`.
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virtual bool has_method(const StringName &p_method) const = 0;
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virtual bool has_static_method(const StringName &p_method) const { return false; }
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virtual MethodInfo get_method_info(const StringName &p_method) const = 0;
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virtual bool is_tool() const = 0;
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virtual bool is_valid() const = 0;
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virtual bool is_abstract() const = 0;
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virtual ScriptLanguage *get_language() const = 0;
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virtual bool has_script_signal(const StringName &p_signal) const = 0;
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virtual void get_script_signal_list(List<MethodInfo> *r_signals) const = 0;
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virtual bool get_property_default_value(const StringName &p_property, Variant &r_value) const = 0;
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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 = 0;
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virtual void get_script_property_list(List<PropertyInfo> *p_list) const = 0;
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virtual int get_member_line(const StringName &p_member) const { return -1; }
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virtual void get_constants(HashMap<StringName, Variant> *p_constants) {}
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virtual void get_members(HashSet<StringName> *p_constants) {}
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virtual bool is_placeholder_fallback_enabled() const { return false; }
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virtual const Variant get_rpc_config() const = 0;
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Script() {}
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};
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class ScriptCodeCompletionCache {
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static ScriptCodeCompletionCache *singleton;
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public:
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static ScriptCodeCompletionCache *get_singleton() { return singleton; }
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ScriptCodeCompletionCache();
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virtual ~ScriptCodeCompletionCache() {}
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};
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class ScriptLanguage : public Object {
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GDCLASS(ScriptLanguage, Object)
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protected:
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static void _bind_methods();
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public:
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virtual String get_name() const = 0;
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/* LANGUAGE FUNCTIONS */
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virtual void init() = 0;
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virtual String get_type() const = 0;
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virtual String get_extension() const = 0;
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virtual void finish() = 0;
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/* EDITOR FUNCTIONS */
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struct Warning {
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int start_line = -1, end_line = -1;
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int leftmost_column = -1, rightmost_column = -1;
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int code;
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String string_code;
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String message;
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};
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struct ScriptError {
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String path;
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int line = -1;
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int column = -1;
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String message;
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};
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enum TemplateLocation {
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TEMPLATE_BUILT_IN,
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TEMPLATE_EDITOR,
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TEMPLATE_PROJECT
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};
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enum ScriptNameCasing {
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SCRIPT_NAME_CASING_AUTO,
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SCRIPT_NAME_CASING_PASCAL_CASE,
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SCRIPT_NAME_CASING_SNAKE_CASE,
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SCRIPT_NAME_CASING_KEBAB_CASE,
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};
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struct ScriptTemplate {
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String inherit = "Object";
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String name;
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String description;
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String content;
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int id = 0;
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TemplateLocation origin = TemplateLocation::TEMPLATE_BUILT_IN;
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String get_hash() const {
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return itos(origin) + inherit + name;
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}
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};
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void get_core_type_words(List<String> *p_core_type_words) const;
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virtual void get_reserved_words(List<String> *p_words) const = 0;
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virtual bool is_control_flow_keyword(const String &p_string) const = 0;
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virtual void get_comment_delimiters(List<String> *p_delimiters) const = 0;
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virtual void get_doc_comment_delimiters(List<String> *p_delimiters) const = 0;
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virtual void get_string_delimiters(List<String> *p_delimiters) const = 0;
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virtual Ref<Script> make_template(const String &p_template, const String &p_class_name, const String &p_base_class_name) const { return Ref<Script>(); }
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virtual Vector<ScriptTemplate> get_built_in_templates(const StringName &p_object) { return Vector<ScriptTemplate>(); }
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virtual bool is_using_templates() { return false; }
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virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptError> *r_errors = nullptr, List<Warning> *r_warnings = nullptr, HashSet<int> *r_safe_lines = nullptr) const = 0;
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virtual String validate_path(const String &p_path) const { return ""; }
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virtual Script *create_script() const = 0;
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#ifndef DISABLE_DEPRECATED
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virtual bool has_named_classes() const = 0;
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#endif
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virtual bool supports_builtin_mode() const = 0;
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virtual bool supports_documentation() const { return false; }
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virtual bool can_inherit_from_file() const { return false; }
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virtual int find_function(const String &p_function, const String &p_code) const = 0;
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virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const = 0;
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virtual bool can_make_function() const { return true; }
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virtual Error open_in_external_editor(const Ref<Script> &p_script, int p_line, int p_col) { return ERR_UNAVAILABLE; }
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virtual bool overrides_external_editor() { return false; }
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virtual ScriptNameCasing preferred_file_name_casing() const { return SCRIPT_NAME_CASING_SNAKE_CASE; }
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// Keep enums in sync with:
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// scene/gui/code_edit.h - CodeEdit::CodeCompletionKind
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enum CodeCompletionKind {
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CODE_COMPLETION_KIND_CLASS,
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CODE_COMPLETION_KIND_FUNCTION,
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CODE_COMPLETION_KIND_SIGNAL,
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CODE_COMPLETION_KIND_VARIABLE,
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CODE_COMPLETION_KIND_MEMBER,
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CODE_COMPLETION_KIND_ENUM,
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CODE_COMPLETION_KIND_CONSTANT,
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CODE_COMPLETION_KIND_NODE_PATH,
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CODE_COMPLETION_KIND_FILE_PATH,
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CODE_COMPLETION_KIND_PLAIN_TEXT,
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CODE_COMPLETION_KIND_MAX
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};
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// scene/gui/code_edit.h - CodeEdit::CodeCompletionLocation
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enum CodeCompletionLocation {
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LOCATION_LOCAL = 0,
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LOCATION_PARENT_MASK = 1 << 8,
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LOCATION_OTHER_USER_CODE = 1 << 9,
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LOCATION_OTHER = 1 << 10,
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};
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struct CodeCompletionOption {
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CodeCompletionKind kind = CODE_COMPLETION_KIND_PLAIN_TEXT;
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String display;
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String insert_text;
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Color font_color;
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Ref<Resource> icon;
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Variant default_value;
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Vector<Pair<int, int>> matches;
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Vector<Pair<int, int>> last_matches = { { -1, -1 } }; // This value correspond to an impossible match
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int location = LOCATION_OTHER;
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String theme_color_name;
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CodeCompletionOption() {}
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CodeCompletionOption(const String &p_text, CodeCompletionKind p_kind, int p_location = LOCATION_OTHER, const String &p_theme_color_name = "") {
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display = p_text;
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insert_text = p_text;
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kind = p_kind;
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location = p_location;
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theme_color_name = p_theme_color_name;
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}
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TypedArray<int> get_option_characteristics(const String &p_base);
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void clear_characteristics();
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TypedArray<int> get_option_cached_characteristics() const;
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private:
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TypedArray<int> charac;
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};
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virtual Error complete_code(const String &p_code, const String &p_path, Object *p_owner, List<CodeCompletionOption> *r_options, bool &r_force, String &r_call_hint) { return ERR_UNAVAILABLE; }
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enum LookupResultType {
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LOOKUP_RESULT_SCRIPT_LOCATION,
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LOOKUP_RESULT_CLASS,
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LOOKUP_RESULT_CLASS_CONSTANT,
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LOOKUP_RESULT_CLASS_PROPERTY,
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LOOKUP_RESULT_CLASS_METHOD,
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LOOKUP_RESULT_CLASS_SIGNAL,
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LOOKUP_RESULT_CLASS_ENUM,
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LOOKUP_RESULT_CLASS_TBD_GLOBALSCOPE,
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LOOKUP_RESULT_CLASS_ANNOTATION,
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LOOKUP_RESULT_MAX
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};
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struct LookupResult {
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LookupResultType type;
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Ref<Script> script;
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String class_name;
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String class_member;
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String class_path;
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int location;
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};
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virtual Error lookup_code(const String &p_code, const String &p_symbol, const String &p_path, Object *p_owner, LookupResult &r_result) { return ERR_UNAVAILABLE; }
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virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const = 0;
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virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) = 0;
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virtual void add_named_global_constant(const StringName &p_name, const Variant &p_value) {}
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virtual void remove_named_global_constant(const StringName &p_name) {}
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/* MULTITHREAD FUNCTIONS */
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//some VMs need to be notified of thread creation/exiting to allocate a stack
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virtual void thread_enter() {}
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virtual void thread_exit() {}
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/* DEBUGGER FUNCTIONS */
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struct StackInfo {
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String file;
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String func;
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int line;
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};
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virtual String debug_get_error() const = 0;
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virtual int debug_get_stack_level_count() const = 0;
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virtual int debug_get_stack_level_line(int p_level) const = 0;
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virtual String debug_get_stack_level_function(int p_level) const = 0;
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virtual String debug_get_stack_level_source(int p_level) const = 0;
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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 = -1, int p_max_depth = -1) = 0;
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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 = -1, int p_max_depth = -1) = 0;
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virtual ScriptInstance *debug_get_stack_level_instance(int p_level) { return nullptr; }
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virtual void debug_get_globals(List<String> *p_globals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) = 0;
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virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1) = 0;
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virtual Vector<StackInfo> debug_get_current_stack_info() { return Vector<StackInfo>(); }
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virtual void reload_all_scripts() = 0;
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virtual void reload_scripts(const Array &p_scripts, bool p_soft_reload) = 0;
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virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) = 0;
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/* LOADER FUNCTIONS */
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virtual void get_recognized_extensions(List<String> *p_extensions) const = 0;
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virtual void get_public_functions(List<MethodInfo> *p_functions) const = 0;
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virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const = 0;
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virtual void get_public_annotations(List<MethodInfo> *p_annotations) const = 0;
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struct ProfilingInfo {
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StringName signature;
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uint64_t call_count;
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uint64_t total_time;
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uint64_t self_time;
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uint64_t internal_time;
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};
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virtual void profiling_start() = 0;
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virtual void profiling_stop() = 0;
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virtual void profiling_set_save_native_calls(bool p_enable) = 0;
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virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) = 0;
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virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) = 0;
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virtual void frame();
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virtual bool handles_global_class_type(const String &p_type) const { return false; }
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virtual String get_global_class_name(const String &p_path, String *r_base_type = nullptr, String *r_icon_path = nullptr) const { return String(); }
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virtual ~ScriptLanguage() {}
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};
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VARIANT_ENUM_CAST(ScriptLanguage::ScriptNameCasing);
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extern uint8_t script_encryption_key[32];
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class PlaceHolderScriptInstance : public ScriptInstance {
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Object *owner = nullptr;
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List<PropertyInfo> properties;
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HashMap<StringName, Variant> values;
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HashMap<StringName, Variant> constants;
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ScriptLanguage *language = nullptr;
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Ref<Script> script;
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public:
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virtual bool set(const StringName &p_name, const Variant &p_value) override;
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virtual bool get(const StringName &p_name, Variant &r_ret) const override;
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virtual void get_property_list(List<PropertyInfo> *p_properties) const override;
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virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) const override;
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virtual void validate_property(PropertyInfo &p_property) const override {}
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virtual bool property_can_revert(const StringName &p_name) const override { return false; };
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virtual bool property_get_revert(const StringName &p_name, Variant &r_ret) const override { return false; };
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virtual void get_method_list(List<MethodInfo> *p_list) const override;
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virtual bool has_method(const StringName &p_method) const override;
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virtual Variant callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) override {
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r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
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return Variant();
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}
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virtual void notification(int p_notification, bool p_reversed = false) override {}
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virtual Ref<Script> get_script() const override { return script; }
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virtual ScriptLanguage *get_language() override { return language; }
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Object *get_owner() override { return owner; }
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void update(const List<PropertyInfo> &p_properties, const HashMap<StringName, Variant> &p_values); //likely changed in editor
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virtual bool is_placeholder() const override { return true; }
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virtual void property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid = nullptr) override;
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virtual Variant property_get_fallback(const StringName &p_name, bool *r_valid = nullptr) override;
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virtual const Variant get_rpc_config() const override { return Variant(); }
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PlaceHolderScriptInstance(ScriptLanguage *p_language, Ref<Script> p_script, Object *p_owner);
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~PlaceHolderScriptInstance();
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};
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#endif // SCRIPT_LANGUAGE_H
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