592 lines
24 KiB
C++
592 lines
24 KiB
C++
/**************************************************************************/
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/* gdscript.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 GDSCRIPT_H
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#define GDSCRIPT_H
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#include "gdscript_function.h"
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#include "core/debugger/engine_debugger.h"
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#include "core/debugger/script_debugger.h"
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#include "core/doc_data.h"
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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/object/script_language.h"
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#include "core/templates/rb_set.h"
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class GDScriptNativeClass : public RefCounted {
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GDCLASS(GDScriptNativeClass, RefCounted);
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StringName name;
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protected:
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bool _get(const StringName &p_name, Variant &r_ret) const;
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static void _bind_methods();
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public:
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_FORCE_INLINE_ const StringName &get_name() const { return name; }
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Variant _new();
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Object *instantiate();
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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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GDScriptNativeClass(const StringName &p_name);
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};
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class GDScript : public Script {
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GDCLASS(GDScript, Script);
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bool tool = false;
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bool valid = false;
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bool reloading = false;
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struct MemberInfo {
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int index = 0;
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StringName setter;
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StringName getter;
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GDScriptDataType data_type;
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PropertyInfo property_info;
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};
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struct ClearData {
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RBSet<GDScriptFunction *> functions;
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RBSet<Ref<Script>> scripts;
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void clear() {
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functions.clear();
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scripts.clear();
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}
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};
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friend class GDScriptInstance;
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friend class GDScriptFunction;
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friend class GDScriptAnalyzer;
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friend class GDScriptCompiler;
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friend class GDScriptDocGen;
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friend class GDScriptLanguage;
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friend struct GDScriptUtilityFunctionsDefinitions;
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Ref<GDScriptNativeClass> native;
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Ref<GDScript> base;
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GDScript *_base = nullptr; //fast pointer access
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GDScript *_owner = nullptr; //for subclasses
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// Members are just indices to the instantiated script.
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HashMap<StringName, MemberInfo> member_indices; // Includes member info of all base GDScript classes.
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HashSet<StringName> members; // Only members of the current class.
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// Only static variables of the current class.
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HashMap<StringName, MemberInfo> static_variables_indices;
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Vector<Variant> static_variables; // Static variable values.
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HashMap<StringName, Variant> constants;
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HashMap<StringName, GDScriptFunction *> member_functions;
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HashMap<StringName, Ref<GDScript>> subclasses;
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HashMap<StringName, MethodInfo> _signals;
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Dictionary rpc_config;
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#ifdef TOOLS_ENABLED
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// For static data storage during hot-reloading.
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HashMap<StringName, MemberInfo> old_static_variables_indices;
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Vector<Variant> old_static_variables;
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void _save_old_static_data();
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void _restore_old_static_data();
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HashMap<StringName, int> member_lines;
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HashMap<StringName, Variant> member_default_values;
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List<PropertyInfo> members_cache;
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HashMap<StringName, Variant> member_default_values_cache;
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Ref<GDScript> base_cache;
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HashSet<ObjectID> inheriters_cache;
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bool source_changed_cache = false;
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bool placeholder_fallback_enabled = false;
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void _update_exports_values(HashMap<StringName, Variant> &values, List<PropertyInfo> &propnames);
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DocData::ClassDoc doc;
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Vector<DocData::ClassDoc> docs;
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void _clear_doc();
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void _add_doc(const DocData::ClassDoc &p_inner_class);
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#endif
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GDScriptFunction *implicit_initializer = nullptr;
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GDScriptFunction *initializer = nullptr; //direct pointer to new , faster to locate
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GDScriptFunction *implicit_ready = nullptr;
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GDScriptFunction *static_initializer = nullptr;
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Error _static_init();
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int subclass_count = 0;
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RBSet<Object *> instances;
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bool destructing = false;
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bool clearing = false;
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//exported members
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String source;
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String path;
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StringName local_name; // Inner class identifier or `class_name`.
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StringName global_name; // `class_name`.
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String fully_qualified_name;
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String simplified_icon_path;
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SelfList<GDScript> script_list;
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SelfList<GDScriptFunctionState>::List pending_func_states;
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GDScriptFunction *_super_constructor(GDScript *p_script);
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void _super_implicit_constructor(GDScript *p_script, GDScriptInstance *p_instance, Callable::CallError &r_error);
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GDScriptInstance *_create_instance(const Variant **p_args, int p_argcount, Object *p_owner, bool p_is_ref_counted, Callable::CallError &r_error);
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String _get_debug_path() const;
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#ifdef TOOLS_ENABLED
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HashSet<PlaceHolderScriptInstance *> placeholders;
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//void _update_placeholder(PlaceHolderScriptInstance *p_placeholder);
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virtual void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder) override;
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void _update_exports_down(bool p_base_exports_changed);
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#endif
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#ifdef DEBUG_ENABLED
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HashMap<ObjectID, List<Pair<StringName, Variant>>> pending_reload_state;
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#endif
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bool _update_exports(bool *r_err = nullptr, bool p_recursive_call = false, PlaceHolderScriptInstance *p_instance_to_update = nullptr, bool p_base_exports_changed = false);
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void _save_orphaned_subclasses(GDScript::ClearData *p_clear_data);
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void _get_script_property_list(List<PropertyInfo> *r_list, bool p_include_base) const;
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void _get_script_method_list(List<MethodInfo> *r_list, bool p_include_base) const;
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void _get_script_signal_list(List<MethodInfo> *r_list, bool p_include_base) const;
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GDScript *_get_gdscript_from_variant(const Variant &p_variant);
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void _get_dependencies(RBSet<GDScript *> &p_dependencies, const GDScript *p_except);
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protected:
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bool _get(const StringName &p_name, Variant &r_ret) const;
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bool _set(const StringName &p_name, const Variant &p_value);
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void _get_property_list(List<PropertyInfo> *p_properties) const;
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Variant callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) override;
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static void _bind_methods();
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public:
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#ifdef DEBUG_ENABLED
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static String debug_get_script_name(const Ref<Script> &p_script);
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#endif
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_FORCE_INLINE_ StringName get_local_name() const { return local_name; }
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void clear(GDScript::ClearData *p_clear_data = nullptr);
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virtual bool is_valid() const override { return valid; }
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virtual bool is_abstract() const override { return false; } // GDScript does not support abstract classes.
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bool inherits_script(const Ref<Script> &p_script) const override;
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GDScript *find_class(const String &p_qualified_name);
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bool has_class(const GDScript *p_script);
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GDScript *get_root_script();
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bool is_root_script() const { return _owner == nullptr; }
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String get_fully_qualified_name() const { return fully_qualified_name; }
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const HashMap<StringName, Ref<GDScript>> &get_subclasses() const { return subclasses; }
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const HashMap<StringName, Variant> &get_constants() const { return constants; }
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const HashSet<StringName> &get_members() const { return members; }
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const GDScriptDataType &get_member_type(const StringName &p_member) const {
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CRASH_COND(!member_indices.has(p_member));
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return member_indices[p_member].data_type;
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}
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const HashMap<StringName, GDScriptFunction *> &get_member_functions() const { return member_functions; }
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const Ref<GDScriptNativeClass> &get_native() const { return native; }
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RBSet<GDScript *> get_dependencies();
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RBSet<GDScript *> get_inverted_dependencies();
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RBSet<GDScript *> get_must_clear_dependencies();
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virtual bool has_script_signal(const StringName &p_signal) const override;
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virtual void get_script_signal_list(List<MethodInfo> *r_signals) const override;
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bool is_tool() const override { return tool; }
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Ref<GDScript> get_base() const;
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const HashMap<StringName, MemberInfo> &debug_get_member_indices() const { return member_indices; }
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const HashMap<StringName, GDScriptFunction *> &debug_get_member_functions() const; //this is debug only
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StringName debug_get_member_by_index(int p_idx) const;
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StringName debug_get_static_var_by_index(int p_idx) const;
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Variant _new(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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virtual bool can_instantiate() const override;
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virtual Ref<Script> get_base_script() const override;
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virtual StringName get_global_name() const override;
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virtual StringName get_instance_base_type() const override; // this may not work in all scripts, will return empty if so
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virtual ScriptInstance *instance_create(Object *p_this) override;
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virtual PlaceHolderScriptInstance *placeholder_instance_create(Object *p_this) override;
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virtual bool instance_has(const Object *p_this) const override;
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virtual bool has_source_code() const override;
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virtual String get_source_code() const override;
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virtual void set_source_code(const String &p_code) override;
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virtual void update_exports() override;
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#ifdef TOOLS_ENABLED
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virtual Vector<DocData::ClassDoc> get_documentation() const override {
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return docs;
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}
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virtual String get_class_icon_path() const override;
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#endif // TOOLS_ENABLED
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virtual Error reload(bool p_keep_state = false) override;
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virtual void set_path(const String &p_path, bool p_take_over = false) override;
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String get_script_path() const;
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Error load_source_code(const String &p_path);
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bool get_property_default_value(const StringName &p_property, Variant &r_value) const override;
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virtual void get_script_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 bool has_static_method(const StringName &p_method) const override;
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virtual MethodInfo get_method_info(const StringName &p_method) const override;
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virtual void get_script_property_list(List<PropertyInfo> *p_list) const override;
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virtual ScriptLanguage *get_language() const override;
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virtual int get_member_line(const StringName &p_member) const override {
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#ifdef TOOLS_ENABLED
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if (member_lines.has(p_member)) {
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return member_lines[p_member];
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}
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#endif
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return -1;
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}
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virtual void get_constants(HashMap<StringName, Variant> *p_constants) override;
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virtual void get_members(HashSet<StringName> *p_members) override;
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virtual const Variant get_rpc_config() const override;
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void unload_static() const;
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#ifdef TOOLS_ENABLED
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virtual bool is_placeholder_fallback_enabled() const override { return placeholder_fallback_enabled; }
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#endif
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GDScript();
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~GDScript();
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};
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class GDScriptInstance : public ScriptInstance {
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friend class GDScript;
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friend class GDScriptFunction;
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friend class GDScriptLambdaCallable;
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friend class GDScriptLambdaSelfCallable;
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friend class GDScriptCompiler;
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friend class GDScriptCache;
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friend struct GDScriptUtilityFunctionsDefinitions;
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ObjectID owner_id;
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Object *owner = nullptr;
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Ref<GDScript> script;
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#ifdef DEBUG_ENABLED
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HashMap<StringName, int> member_indices_cache; //used only for hot script reloading
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#endif
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Vector<Variant> members;
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bool base_ref_counted;
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SelfList<GDScriptFunctionState>::List pending_func_states;
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public:
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virtual Object *get_owner() { return owner; }
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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 validate_property(PropertyInfo &p_property) const;
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virtual bool property_can_revert(const StringName &p_name) const;
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virtual bool property_get_revert(const StringName &p_name, Variant &r_ret) 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 callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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Variant debug_get_member_by_index(int p_idx) const { return members[p_idx]; }
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virtual void notification(int p_notification, bool p_reversed = false);
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String to_string(bool *r_valid);
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virtual Ref<Script> get_script() const;
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virtual ScriptLanguage *get_language();
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void set_path(const String &p_path);
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void reload_members();
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virtual const Variant get_rpc_config() const;
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GDScriptInstance();
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~GDScriptInstance();
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};
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class GDScriptLanguage : public ScriptLanguage {
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friend class GDScriptFunctionState;
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static GDScriptLanguage *singleton;
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Variant *_global_array = nullptr;
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Vector<Variant> global_array;
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HashMap<StringName, int> globals;
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HashMap<StringName, Variant> named_globals;
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struct CallLevel {
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Variant *stack = nullptr;
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GDScriptFunction *function = nullptr;
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GDScriptInstance *instance = nullptr;
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int *ip = nullptr;
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int *line = nullptr;
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};
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static thread_local int _debug_parse_err_line;
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static thread_local String _debug_parse_err_file;
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static thread_local String _debug_error;
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struct CallStack {
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CallLevel *levels = nullptr;
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int stack_pos = 0;
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void free() {
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if (levels) {
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memdelete(levels);
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levels = nullptr;
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}
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}
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~CallStack() {
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free();
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}
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};
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static thread_local CallStack _call_stack;
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int _debug_max_call_stack = 0;
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void _add_global(const StringName &p_name, const Variant &p_value);
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friend class GDScriptInstance;
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Mutex mutex;
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friend class GDScript;
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SelfList<GDScript>::List script_list;
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friend class GDScriptFunction;
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SelfList<GDScriptFunction>::List function_list;
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bool profiling;
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uint64_t script_frame_time;
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HashMap<String, ObjectID> orphan_subclasses;
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public:
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int calls;
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bool debug_break(const String &p_error, bool p_allow_continue = true);
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bool debug_break_parse(const String &p_file, int p_line, const String &p_error);
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_FORCE_INLINE_ void enter_function(GDScriptInstance *p_instance, GDScriptFunction *p_function, Variant *p_stack, int *p_ip, int *p_line) {
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if (unlikely(_call_stack.levels == nullptr)) {
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_call_stack.levels = memnew_arr(CallLevel, _debug_max_call_stack + 1);
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}
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if (EngineDebugger::get_script_debugger()->get_lines_left() > 0 && EngineDebugger::get_script_debugger()->get_depth() >= 0) {
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EngineDebugger::get_script_debugger()->set_depth(EngineDebugger::get_script_debugger()->get_depth() + 1);
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}
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if (_call_stack.stack_pos >= _debug_max_call_stack) {
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//stack overflow
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_debug_error = vformat("Stack overflow (stack size: %s). Check for infinite recursion in your script.", _debug_max_call_stack);
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EngineDebugger::get_script_debugger()->debug(this);
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return;
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}
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_call_stack.levels[_call_stack.stack_pos].stack = p_stack;
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_call_stack.levels[_call_stack.stack_pos].instance = p_instance;
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_call_stack.levels[_call_stack.stack_pos].function = p_function;
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_call_stack.levels[_call_stack.stack_pos].ip = p_ip;
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_call_stack.levels[_call_stack.stack_pos].line = p_line;
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_call_stack.stack_pos++;
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}
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_FORCE_INLINE_ void exit_function() {
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if (EngineDebugger::get_script_debugger()->get_lines_left() > 0 && EngineDebugger::get_script_debugger()->get_depth() >= 0) {
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EngineDebugger::get_script_debugger()->set_depth(EngineDebugger::get_script_debugger()->get_depth() - 1);
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}
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if (_call_stack.stack_pos == 0) {
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_debug_error = "Stack Underflow (Engine Bug)";
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EngineDebugger::get_script_debugger()->debug(this);
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return;
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}
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_call_stack.stack_pos--;
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}
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virtual Vector<StackInfo> debug_get_current_stack_info() override {
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Vector<StackInfo> csi;
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csi.resize(_call_stack.stack_pos);
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for (int i = 0; i < _call_stack.stack_pos; i++) {
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csi.write[_call_stack.stack_pos - i - 1].line = _call_stack.levels[i].line ? *_call_stack.levels[i].line : 0;
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if (_call_stack.levels[i].function) {
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csi.write[_call_stack.stack_pos - i - 1].func = _call_stack.levels[i].function->get_name();
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csi.write[_call_stack.stack_pos - i - 1].file = _call_stack.levels[i].function->get_script()->get_script_path();
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}
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}
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return csi;
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}
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struct {
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StringName _init;
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StringName _static_init;
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StringName _notification;
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StringName _set;
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StringName _get;
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StringName _get_property_list;
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StringName _validate_property;
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StringName _property_can_revert;
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StringName _property_get_revert;
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StringName _script_source;
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} strings;
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_FORCE_INLINE_ int get_global_array_size() const { return global_array.size(); }
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_FORCE_INLINE_ Variant *get_global_array() { return _global_array; }
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_FORCE_INLINE_ const HashMap<StringName, int> &get_global_map() const { return globals; }
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_FORCE_INLINE_ const HashMap<StringName, Variant> &get_named_globals_map() const { return named_globals; }
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// These two functions should be used when behavior needs to be consistent between in-editor and running the scene
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bool has_any_global_constant(const StringName &p_name) { return named_globals.has(p_name) || globals.has(p_name); }
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Variant get_any_global_constant(const StringName &p_name);
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_FORCE_INLINE_ static GDScriptLanguage *get_singleton() { return singleton; }
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virtual String get_name() const override;
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/* LANGUAGE FUNCTIONS */
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virtual void init() override;
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virtual String get_type() const override;
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virtual String get_extension() const override;
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virtual void finish() override;
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/* EDITOR FUNCTIONS */
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virtual void get_reserved_words(List<String> *p_words) const override;
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virtual bool is_control_flow_keyword(String p_keywords) const override;
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virtual void get_comment_delimiters(List<String> *p_delimiters) const override;
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virtual void get_doc_comment_delimiters(List<String> *p_delimiters) const override;
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virtual void get_string_delimiters(List<String> *p_delimiters) const override;
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virtual bool is_using_templates() override;
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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 override;
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virtual Vector<ScriptTemplate> get_built_in_templates(StringName p_object) override;
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virtual bool validate(const String &p_script, const String &p_path = "", List<String> *r_functions = nullptr, List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, HashSet<int> *r_safe_lines = nullptr) const override;
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virtual Script *create_script() const override;
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#ifndef DISABLE_DEPRECATED
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virtual bool has_named_classes() const override { return false; }
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#endif
|
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virtual bool supports_builtin_mode() const override;
|
|
virtual bool supports_documentation() const override;
|
|
virtual bool can_inherit_from_file() const override { return true; }
|
|
virtual int find_function(const String &p_function, const String &p_code) const override;
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|
virtual String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const override;
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virtual Error complete_code(const String &p_code, const String &p_path, Object *p_owner, List<ScriptLanguage::CodeCompletionOption> *r_options, bool &r_forced, String &r_call_hint) override;
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|
#ifdef TOOLS_ENABLED
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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) override;
|
|
#endif
|
|
virtual String _get_indentation() const;
|
|
virtual void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const override;
|
|
virtual void add_global_constant(const StringName &p_variable, const Variant &p_value) override;
|
|
virtual void add_named_global_constant(const StringName &p_name, const Variant &p_value) override;
|
|
virtual void remove_named_global_constant(const StringName &p_name) override;
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|
|
|
/* DEBUGGER FUNCTIONS */
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|
|
|
virtual String debug_get_error() const override;
|
|
virtual int debug_get_stack_level_count() const override;
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|
virtual int debug_get_stack_level_line(int p_level) const override;
|
|
virtual String debug_get_stack_level_function(int p_level) const override;
|
|
virtual String debug_get_stack_level_source(int p_level) const override;
|
|
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) override;
|
|
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) override;
|
|
virtual ScriptInstance *debug_get_stack_level_instance(int p_level) override;
|
|
virtual void debug_get_globals(List<String> *p_globals, List<Variant> *p_values, int p_max_subitems = -1, int p_max_depth = -1) override;
|
|
virtual String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems = -1, int p_max_depth = -1) override;
|
|
|
|
virtual void reload_all_scripts() override;
|
|
virtual void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) override;
|
|
|
|
virtual void frame() override;
|
|
|
|
virtual void get_public_functions(List<MethodInfo> *p_functions) const override;
|
|
virtual void get_public_constants(List<Pair<String, Variant>> *p_constants) const override;
|
|
virtual void get_public_annotations(List<MethodInfo> *p_annotations) const override;
|
|
|
|
virtual void profiling_start() override;
|
|
virtual void profiling_stop() override;
|
|
|
|
virtual int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) override;
|
|
virtual int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) override;
|
|
|
|
/* LOADER FUNCTIONS */
|
|
|
|
virtual void get_recognized_extensions(List<String> *p_extensions) const override;
|
|
|
|
/* GLOBAL CLASSES */
|
|
|
|
virtual bool handles_global_class_type(const String &p_type) const override;
|
|
virtual String get_global_class_name(const String &p_path, String *r_base_type = nullptr, String *r_icon_path = nullptr) const override;
|
|
|
|
void add_orphan_subclass(const String &p_qualified_name, const ObjectID &p_subclass);
|
|
Ref<GDScript> get_orphan_subclass(const String &p_qualified_name);
|
|
|
|
Ref<GDScript> get_script_by_fully_qualified_name(const String &p_name);
|
|
|
|
GDScriptLanguage();
|
|
~GDScriptLanguage();
|
|
};
|
|
|
|
class ResourceFormatLoaderGDScript : public ResourceFormatLoader {
|
|
public:
|
|
virtual Ref<Resource> load(const String &p_path, const String &p_original_path = "", Error *r_error = nullptr, bool p_use_sub_threads = false, float *r_progress = nullptr, CacheMode p_cache_mode = CACHE_MODE_REUSE);
|
|
virtual void get_recognized_extensions(List<String> *p_extensions) const;
|
|
virtual bool handles_type(const String &p_type) const;
|
|
virtual String get_resource_type(const String &p_path) const;
|
|
virtual void get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types = false);
|
|
};
|
|
|
|
class ResourceFormatSaverGDScript : public ResourceFormatSaver {
|
|
public:
|
|
virtual Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0);
|
|
virtual void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const;
|
|
virtual bool recognize(const Ref<Resource> &p_resource) const;
|
|
};
|
|
|
|
#endif // GDSCRIPT_H
|