friend class ECMAScriptBinder;

friend class ECMAScript;

friend class ECMAScriptInstance;

friend class DuktapeBindingHelper;

friend class QuickJSBinder;

static ECMAScriptLanguage *singleton;

ECMAScriptBinder *binding;

int language_index;

_FORCE_INLINE_ static ECMAScriptLanguage *get_singleton() { return singleton; }

_FORCE_INLINE_ static ECMAScriptBinder *get_binder() { return singleton->binding; }

_FORCE_INLINE_ virtual String get_name() const { return "ECMAScript"; }

_FORCE_INLINE_ int get_language_index() const { return language_index; }

_FORCE_INLINE_ void set_language_index(int value) { language_index = value; }

/* LANGUAGE FUNCTIONS */

_FORCE_INLINE_ virtual String get_type() const { return "ECMAScript"; }

_FORCE_INLINE_ virtual String get_extension() const { return "js"; }

_FORCE_INLINE_ virtual bool has_named_classes() const { return true; }

_FORCE_INLINE_ virtual bool supports_builtin_mode() const { return false; }

_FORCE_INLINE_ virtual bool can_inherit_from_file() { return false; }

_FORCE_INLINE_ virtual bool is_using_templates() { return true; }

_FORCE_INLINE_ virtual bool overrides_external_editor() { return false; }

virtual void init();

virtual void finish();

virtual Error execute_file(const String &p_path);

virtual void get_reserved_words(List<String> *p_words) const;

virtual void get_comment_delimiters(List<String> *p_delimiters) const;

virtual void get_string_delimiters(List<String> *p_delimiters) const;

virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const;

virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script);

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 = NULL, List<Warning> *r_warnings = NULL, Set<int> *r_safe_lines = NULL) const;

virtual String validate_path(const String &p_path) const { return ""; }

virtual Script *create_script() const;

/* TODO */ virtual int find_function(const String &p_function, const String &p_code) const { return -1; }

/* TODO */ virtual String make_function(const String &p_class, const String &p_name, const PoolStringArray &p_args) const { return ""; }

/* TODO */ virtual Error open_in_external_editor(const Ref<Script> &p_script, int p_line, int p_col) { return ERR_UNAVAILABLE; }

/* TODO */ virtual Error complete_code(const String &p_code, const String &p_base_path, Object *p_owner, List<String> *r_options, bool &r_force, String &r_call_hint) { return ERR_UNAVAILABLE; }

/* TODO */ virtual Error lookup_code(const String &p_code, const String &p_symbol, const String &p_base_path, Object *p_owner, LookupResult &r_result) { return ERR_UNAVAILABLE; }

/* TODO */ virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const {}

/* TODO */ virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) {}

/* TODO */ virtual void add_named_global_constant(const StringName &p_name, const Variant &p_value) {}

/* TODO */ virtual void remove_named_global_constant(const StringName &p_name) {}

/* MULTITHREAD FUNCTIONS */

//some VMs need to be notified of thread creation/exiting to allocate a stack

/* TODO */ virtual void thread_enter() {}

/* TODO */ virtual void thread_exit() {}

/* DEBUGGER FUNCTIONS */

/* DEBUGGER FUNCTIONS */

/* TODO */ virtual String debug_get_error() const { return ""; }

/* TODO */ virtual int debug_get_stack_level_count() const { return 1; }

/* TODO */ virtual int debug_get_stack_level_line(int p_level) const { return 1; }

/* TODO */ virtual String debug_get_stack_level_function(int p_level) const { return ""; }

/* TODO */ virtual String debug_get_stack_level_source(int p_level) const { return ""; }

/* TODO */ 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) {}

/* TODO */ 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) {}

/* TODO */ virtual void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) {}

/* TODO */ virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems, int p_max_depth) { return ""; }

/* TODO */ virtual Vector<StackInfo> debug_get_current_stack_info() { return Vector<StackInfo>(); }

/* TODO */ virtual void reload_all_scripts(){};

/* TODO */ virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload){};

/* LOADER FUNCTIONS */

virtual void get_recognized_extensions(List<String> *p_extensions) const;

/* TODO */ virtual void get_public_functions(List<MethodInfo> *p_functions) const {}

/* TODO */ virtual void get_public_constants(List<Pair<String, Variant> > *p_constants) const {}

/* TODO */ virtual void profiling_start() {}

/* TODO */ virtual void profiling_stop() {}

/* TODO */ virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) { return -1; }

/* TODO */ virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) { return -1; }

virtual void *alloc_instance_binding_data(Object *p_object); //optional, not used by all languages

virtual void free_instance_binding_data(void *p_data); //optional, not used by all languages

virtual void refcount_incremented_instance_binding(Object *p_object); //optional, not used by all languages

virtual bool refcount_decremented_instance_binding(Object *p_object); //return true if it can die //optional, not used by all languages

virtual void frame();

/* TODO */ virtual bool handles_global_class_type(const String &p_type) const { return false; }

/* TODO */ virtual String get_global_class_name(const String &p_path, String *r_base_type = NULL, String *r_icon_path = NULL) const { return String(); }

ECMAScriptLanguage();

virtual ~ECMAScriptLanguage();