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Relintai
1a5cba555c
* This implementation adds threads on the side of the client (script debugger).
* Some functions of the debugger are optimized.
* The profile is also now thread safe using atomics.
* The editor can switch between multiple threads when debugging.
This PR adds threaded support for the script language debugger. Every thread has its own thread local data and it will connect to the debugger using multiple thread IDs.
This means that, now, the editor can receive multiple threads entering debug mode at the same time.
- reduz
PR 76582
Will be available here after it's merged:
6b176671c4
474 lines
19 KiB
C++
474 lines
19 KiB
C++
#ifndef SCRIPT_LANGUAGE_H
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#define SCRIPT_LANGUAGE_H
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/*************************************************************************/
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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) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2022 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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#include "core/containers/pair.h"
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#include "core/containers/rb_map.h"
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#include "core/io/multiplayer_api.h"
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#include "core/object/resource.h"
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class ScriptLanguage;
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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 scripting_enabled;
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static bool reload_scripts_on_save;
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static bool languages_finished;
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struct GlobalScriptClass {
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StringName language;
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String path;
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String base;
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};
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static HashMap<StringName, GlobalScriptClass> global_classes;
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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 void register_language(ScriptLanguage *p_language);
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static void unregister_language(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 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 save_global_classes();
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static void init_languages();
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static void finish_languages();
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static bool are_languages_finished() { return languages_finished; }
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};
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class ScriptInstance;
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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() { 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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Array _get_script_property_list();
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Array _get_script_method_list();
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Array _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_instance() const = 0;
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virtual Ref<Script> get_base_script() const = 0; //for script inheritance
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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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virtual bool has_method(const StringName &p_method) const = 0;
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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 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(RBMap<StringName, Variant> *p_constants) {}
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virtual void get_members(RBSet<StringName> *p_constants) {}
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virtual bool is_placeholder_fallback_enabled() const { return false; }
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Script() {}
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};
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class ScriptInstance {
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public:
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virtual bool set(const StringName &p_name, const Variant &p_value) = 0;
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virtual bool get(const StringName &p_name, Variant &r_ret) const = 0;
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virtual void get_property_list(List<PropertyInfo> *p_properties) const = 0;
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virtual Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid = nullptr) const = 0;
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virtual Object *get_owner() { return nullptr; }
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virtual void get_property_state(List<Pair<StringName, Variant>> &state);
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virtual void get_method_list(List<MethodInfo> *p_list) const = 0;
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virtual bool has_method(const StringName &p_method) const = 0;
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virtual Variant call(const StringName &p_method, VARIANT_ARG_LIST);
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virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) = 0;
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virtual void call_multilevel(const StringName &p_method, VARIANT_ARG_LIST);
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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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virtual void notification(int p_notification) = 0;
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virtual String to_string(bool *r_valid) {
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if (r_valid) {
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*r_valid = false;
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}
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return String();
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}
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//this is used by script languages that keep a reference counter of their own
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//you can make make Ref<> not die when it reaches zero, so deleting the reference
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//depends entirely from the script
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virtual void refcount_incremented() {}
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virtual bool refcount_decremented() { return true; } //return true if it can die
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virtual Ref<Script> get_script() const = 0;
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virtual bool is_placeholder() const { return false; }
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virtual void property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid);
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virtual Variant property_get_fallback(const StringName &p_name, bool *r_valid);
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virtual ScriptLanguage *get_language() = 0;
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virtual ~ScriptInstance();
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};
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struct ScriptCodeCompletionOption {
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enum Kind {
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KIND_CLASS,
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KIND_FUNCTION,
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KIND_SIGNAL,
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KIND_VARIABLE,
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KIND_MEMBER,
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KIND_ENUM,
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KIND_CONSTANT,
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KIND_NODE_PATH,
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KIND_FILE_PATH,
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KIND_PLAIN_TEXT,
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};
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Kind kind;
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String display;
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String insert_text;
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Color font_color;
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RES icon;
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Variant default_value;
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ScriptCodeCompletionOption() {
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kind = KIND_PLAIN_TEXT;
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}
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ScriptCodeCompletionOption(const String &p_text, Kind p_kind) {
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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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}
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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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virtual RES get_cached_resource(const String &p_path) = 0;
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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 {
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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 Error execute_file(const String &p_path) = 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 line;
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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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virtual void get_reserved_words(List<String> *p_words) const = 0;
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virtual void get_core_type_words(List<String> *p_words) const;
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virtual bool is_control_flow_keyword(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_string_delimiters(List<String> *p_delimiters) const = 0;
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virtual Ref<Script> get_template(const String &p_class_name, const String &p_base_class_name) const = 0;
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virtual void make_template(const String &p_class_name, const String &p_base_class_name, Ref<Script> &p_script) {}
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virtual bool is_using_templates() { return false; }
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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 = nullptr, List<Warning> *r_warnings = nullptr, RBSet<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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virtual bool has_named_classes() const = 0;
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virtual bool supports_builtin_mode() const = 0;
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virtual bool can_inherit_from_file() { 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 PoolStringArray &p_args) const = 0;
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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 Error complete_code(const String &p_code, const String &p_path, Object *p_owner, List<ScriptCodeCompletionOption> *r_options, bool &r_force, String &r_call_hint) { return ERR_UNAVAILABLE; }
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struct LookupResult {
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enum Type {
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RESULT_SCRIPT_LOCATION,
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RESULT_CLASS,
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RESULT_CLASS_CONSTANT,
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RESULT_CLASS_PROPERTY,
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RESULT_CLASS_METHOD,
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RESULT_CLASS_ENUM,
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RESULT_CLASS_TBD_GLOBALSCOPE
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};
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Type 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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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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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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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 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_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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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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};
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virtual void profiling_start() = 0;
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virtual void profiling_stop() = 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 *alloc_instance_binding_data(Object *p_object) { return nullptr; } //optional, not used by all languages
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virtual void free_instance_binding_data(void *p_data) {} //optional, not used by all languages
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virtual void refcount_incremented_instance_binding(Object *p_object) {} //optional, not used by all languages
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virtual bool refcount_decremented_instance_binding(Object *p_object) { return true; } //return true if it can die //optional, not used by all languages
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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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extern uint8_t script_encryption_key[32];
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class PlaceHolderScriptInstance : public ScriptInstance {
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Object *owner;
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List<PropertyInfo> properties;
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RBMap<StringName, Variant> values;
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RBMap<StringName, Variant> constants;
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ScriptLanguage *language;
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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);
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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 = nullptr) 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, VARIANT_ARG_LIST) { return Variant(); }
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virtual Variant call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
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r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
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return Variant();
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}
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//virtual void call_multilevel(const StringName& p_method,VARIANT_ARG_LIST) { return Variant(); }
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//virtual void call_multilevel(const StringName& p_method,const Variant** p_args,int p_argcount,Variant::CallError &r_error) { return Variant(); }
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virtual void notification(int p_notification) {}
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virtual Ref<Script> get_script() const { return script; }
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virtual ScriptLanguage *get_language() { return language; }
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Object *get_owner() { return owner; }
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void update(const List<PropertyInfo> &p_properties, const RBMap<StringName, Variant> &p_values); //likely changed in editor
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virtual bool is_placeholder() const { return true; }
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virtual void property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid = nullptr);
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virtual Variant property_get_fallback(const StringName &p_name, bool *r_valid = nullptr);
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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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class ScriptDebugger {
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#if !defined(NO_THREADS)
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static thread_local int lines_left;
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static thread_local int depth;
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static thread_local ScriptLanguage *break_lang;
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#else
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int lines_left;
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int depth;
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ScriptLanguage *break_lang;
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#endif
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static ScriptDebugger *singleton;
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RBMap<int, RBSet<StringName>> breakpoints;
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public:
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_FORCE_INLINE_ static ScriptDebugger *get_singleton() { return singleton; }
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void set_lines_left(int p_left);
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int get_lines_left() const;
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void set_depth(int p_depth);
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int get_depth() const;
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String breakpoint_find_source(const String &p_source) const;
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void insert_breakpoint(int p_line, const StringName &p_source);
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void remove_breakpoint(int p_line, const StringName &p_source);
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bool is_breakpoint(int p_line, const StringName &p_source) const;
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bool is_breakpoint_line(int p_line) const;
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void clear_breakpoints();
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const RBMap<int, RBSet<StringName>> &get_breakpoints() const { return breakpoints; }
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virtual void debug(ScriptLanguage *p_script, bool p_can_continue = true, bool p_is_error_breakpoint = false) = 0;
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virtual void idle_poll();
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virtual void line_poll();
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void set_break_language(ScriptLanguage *p_lang);
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ScriptLanguage *get_break_language() const;
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virtual void send_message(const String &p_message, const Array &p_args) = 0;
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virtual void send_error(const String &p_func, const String &p_file, int p_line, const String &p_err, const String &p_descr, ErrorHandlerType p_type, const Vector<ScriptLanguage::StackInfo> &p_stack_info) = 0;
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virtual bool is_remote() const { return false; }
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virtual void request_quit() {}
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virtual void set_multiplayer(Ref<MultiplayerAPI> p_multiplayer) {}
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virtual bool is_profiling() const = 0;
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virtual void add_profiling_frame_data(const StringName &p_name, const Array &p_data) = 0;
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virtual void profiling_start() = 0;
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virtual void profiling_end() = 0;
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virtual void profiling_set_frame_times(float p_frame_time, float p_process_time, float p_physics_time, float p_physics_frame_time) = 0;
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ScriptDebugger();
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virtual ~ScriptDebugger() { singleton = nullptr; }
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};
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#endif
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