522 lines
19 KiB
C++
522 lines
19 KiB
C++
/**************************************************************************/
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/* csharp_script.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 CSHARP_SCRIPT_H
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#define CSHARP_SCRIPT_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/self_list.h"
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#include "mono_gc_handle.h"
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#include "mono_gd/gd_mono.h"
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#ifdef TOOLS_ENABLED
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#include "editor/editor_plugin.h"
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#endif
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class CSharpScript;
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class CSharpInstance;
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class CSharpLanguage;
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template <typename TScriptInstance, typename TScriptLanguage>
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TScriptInstance *cast_script_instance(ScriptInstance *p_inst) {
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return dynamic_cast<TScriptInstance *>(p_inst);
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}
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#define CAST_CSHARP_INSTANCE(m_inst) (cast_script_instance<CSharpInstance, CSharpLanguage>(m_inst))
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class CSharpScript : public Script {
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GDCLASS(CSharpScript, Script);
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friend class CSharpInstance;
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friend class CSharpLanguage;
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bool tool = false;
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bool global_class = false;
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bool valid = false;
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bool reload_invalidated = false;
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Ref<CSharpScript> base_script;
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HashSet<Object *> instances;
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#ifdef GD_MONO_HOT_RELOAD
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struct StateBackup {
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// TODO
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// Replace with buffer containing the serialized state of managed scripts.
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// Keep variant state backup to use only with script instance placeholders.
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List<Pair<StringName, Variant>> properties;
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Dictionary event_signals;
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};
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HashSet<ObjectID> pending_reload_instances;
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RBMap<ObjectID, StateBackup> pending_reload_state;
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bool was_tool_before_reload = false;
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HashSet<ObjectID> pending_replace_placeholders;
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#endif
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String source;
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String class_name;
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String icon_path;
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SelfList<CSharpScript> script_list = this;
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Dictionary rpc_config;
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struct EventSignalInfo {
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StringName name; // MethodInfo stores a string...
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MethodInfo method_info;
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};
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struct CSharpMethodInfo {
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StringName name; // MethodInfo stores a string...
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MethodInfo method_info;
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};
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Vector<EventSignalInfo> event_signals;
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Vector<CSharpMethodInfo> methods;
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#ifdef TOOLS_ENABLED
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List<PropertyInfo> exported_members_cache; // members_cache
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HashMap<StringName, Variant> exported_members_defval_cache; // member_default_values_cache
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HashSet<PlaceHolderScriptInstance *> placeholders;
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bool source_changed_cache = false;
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bool placeholder_fallback_enabled = false;
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bool exports_invalidated = true;
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void _update_exports_values(HashMap<StringName, Variant> &values, List<PropertyInfo> &propnames);
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void _placeholder_erased(PlaceHolderScriptInstance *p_placeholder) override;
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#endif
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#if defined(TOOLS_ENABLED) || defined(DEBUG_ENABLED)
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HashSet<StringName> exported_members_names;
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#endif
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HashMap<StringName, PropertyInfo> member_info;
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void _clear();
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static void GD_CLR_STDCALL _add_property_info_list_callback(CSharpScript *p_script, const String *p_current_class_name, void *p_props, int32_t p_count);
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#ifdef TOOLS_ENABLED
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static void GD_CLR_STDCALL _add_property_default_values_callback(CSharpScript *p_script, void *p_def_vals, int32_t p_count);
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#endif
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bool _update_exports(PlaceHolderScriptInstance *p_instance_to_update = nullptr);
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CSharpInstance *_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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Variant _new(const Variant **p_args, int p_argcount, Callable::CallError &r_error);
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// Do not use unless you know what you are doing
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static void update_script_class_info(Ref<CSharpScript> p_script);
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protected:
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static void _bind_methods();
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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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public:
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static void reload_registered_script(Ref<CSharpScript> p_script);
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bool can_instantiate() const override;
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StringName get_instance_base_type() const override;
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ScriptInstance *instance_create(Object *p_this) override;
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PlaceHolderScriptInstance *placeholder_instance_create(Object *p_this) override;
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bool instance_has(const Object *p_this) const override;
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bool has_source_code() const override;
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String get_source_code() const override;
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void set_source_code(const String &p_code) override;
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#ifdef TOOLS_ENABLED
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virtual Vector<DocData::ClassDoc> get_documentation() const override {
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// TODO
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Vector<DocData::ClassDoc> docs;
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return docs;
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}
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#endif // TOOLS_ENABLED
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Error reload(bool p_keep_state = false) override;
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bool has_script_signal(const StringName &p_signal) const override;
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void get_script_signal_list(List<MethodInfo> *r_signals) const override;
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Vector<EventSignalInfo> get_script_event_signals() const;
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bool get_property_default_value(const StringName &p_property, Variant &r_value) const override;
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void get_script_property_list(List<PropertyInfo> *r_list) const override;
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void update_exports() override;
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void get_members(HashSet<StringName> *p_members) override;
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bool is_tool() const override {
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return tool;
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}
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bool is_valid() const override {
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return valid;
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}
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bool inherits_script(const Ref<Script> &p_script) const override;
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Ref<Script> get_base_script() const override;
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StringName get_global_name() const override;
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ScriptLanguage *get_language() const override;
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void get_script_method_list(List<MethodInfo> *p_list) const override;
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bool has_method(const StringName &p_method) const override;
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MethodInfo get_method_info(const StringName &p_method) const override;
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int get_member_line(const StringName &p_member) const override;
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const Variant get_rpc_config() const override;
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#ifdef TOOLS_ENABLED
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bool is_placeholder_fallback_enabled() const override {
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return placeholder_fallback_enabled;
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}
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#endif
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Error load_source_code(const String &p_path);
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CSharpScript();
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~CSharpScript();
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};
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class CSharpInstance : public ScriptInstance {
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friend class CSharpScript;
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friend class CSharpLanguage;
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Object *owner = nullptr;
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bool base_ref_counted = false;
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bool ref_dying = false;
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bool unsafe_referenced = false;
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bool predelete_notified = false;
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bool destructing_script_instance = false;
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Ref<CSharpScript> script;
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MonoGCHandleData gchandle;
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List<Callable> connected_event_signals;
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bool _reference_owner_unsafe();
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/*
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* If true is returned, the caller must memdelete the script instance's owner.
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*/
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bool _unreference_owner_unsafe();
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/*
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* If false is returned, the caller must destroy the script instance by removing it from its owner.
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*/
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bool _internal_new_managed();
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// Do not use unless you know what you are doing
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static CSharpInstance *create_for_managed_type(Object *p_owner, CSharpScript *p_script, const MonoGCHandleData &p_gchandle);
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public:
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_FORCE_INLINE_ bool is_destructing_script_instance() { return destructing_script_instance; }
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_FORCE_INLINE_ GCHandleIntPtr get_gchandle_intptr() { return gchandle.get_intptr(); }
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Object *get_owner() override;
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bool set(const StringName &p_name, const Variant &p_value) override;
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bool get(const StringName &p_name, Variant &r_ret) const override;
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void get_property_list(List<PropertyInfo> *p_properties) const override;
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Variant::Type get_property_type(const StringName &p_name, bool *r_is_valid) const override;
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bool property_can_revert(const StringName &p_name) const override;
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bool property_get_revert(const StringName &p_name, Variant &r_ret) const override;
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void get_method_list(List<MethodInfo> *p_list) const override;
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bool has_method(const StringName &p_method) const override;
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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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void mono_object_disposed(GCHandleIntPtr p_gchandle_to_free);
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/*
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* If 'r_delete_owner' is set to true, the caller must memdelete the script instance's owner. Otherwise, if
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* 'r_remove_script_instance' is set to true, the caller must destroy the script instance by removing it from its owner.
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*/
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void mono_object_disposed_baseref(GCHandleIntPtr p_gchandle_to_free, bool p_is_finalizer, bool &r_delete_owner, bool &r_remove_script_instance);
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void connect_event_signals();
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void disconnect_event_signals();
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void refcount_incremented() override;
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bool refcount_decremented() override;
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const Variant get_rpc_config() const override;
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void notification(int p_notification) override;
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void _call_notification(int p_notification);
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String to_string(bool *r_valid) override;
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Ref<Script> get_script() const override;
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ScriptLanguage *get_language() override;
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CSharpInstance(const Ref<CSharpScript> &p_script);
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~CSharpInstance();
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};
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struct CSharpScriptBinding {
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bool inited = false;
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StringName type_name;
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MonoGCHandleData gchandle;
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Object *owner = nullptr;
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CSharpScriptBinding() {}
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};
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class ManagedCallableMiddleman : public Object {
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GDCLASS(ManagedCallableMiddleman, Object);
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};
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class CSharpLanguage : public ScriptLanguage {
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friend class CSharpScript;
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friend class CSharpInstance;
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static CSharpLanguage *singleton;
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bool finalizing = false;
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bool finalized = false;
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GDMono *gdmono = nullptr;
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SelfList<CSharpScript>::List script_list;
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Mutex script_instances_mutex;
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Mutex script_gchandle_release_mutex;
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Mutex language_bind_mutex;
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RBMap<Object *, CSharpScriptBinding> script_bindings;
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#ifdef DEBUG_ENABLED
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// List of unsafe object references
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HashMap<ObjectID, int> unsafe_object_references;
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Mutex unsafe_object_references_lock;
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#endif
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ManagedCallableMiddleman *managed_callable_middleman = memnew(ManagedCallableMiddleman);
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struct StringNameCache {
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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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StringNameCache();
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};
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int lang_idx = -1;
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// For debug_break and debug_break_parse
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int _debug_parse_err_line = -1;
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String _debug_parse_err_file;
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String _debug_error;
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friend class GDMono;
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void _on_scripts_domain_about_to_unload();
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#ifdef TOOLS_ENABLED
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EditorPlugin *godotsharp_editor = nullptr;
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static void _editor_init_callback();
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#endif
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static void *_instance_binding_create_callback(void *p_token, void *p_instance);
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static void _instance_binding_free_callback(void *p_token, void *p_instance, void *p_binding);
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static GDExtensionBool _instance_binding_reference_callback(void *p_token, void *p_binding, GDExtensionBool p_reference);
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static GDExtensionInstanceBindingCallbacks _instance_binding_callbacks;
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public:
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static void *get_instance_binding(Object *p_object);
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static void *get_existing_instance_binding(Object *p_object);
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static void set_instance_binding(Object *p_object, void *p_binding);
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static bool has_instance_binding(Object *p_object);
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StringNameCache string_names;
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const Mutex &get_language_bind_mutex() {
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return language_bind_mutex;
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}
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const Mutex &get_script_instances_mutex() {
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return script_instances_mutex;
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}
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_FORCE_INLINE_ int get_language_index() {
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return lang_idx;
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}
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void set_language_index(int p_idx);
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_FORCE_INLINE_ const StringNameCache &get_string_names() {
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return string_names;
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}
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_FORCE_INLINE_ static CSharpLanguage *get_singleton() {
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return singleton;
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}
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#ifdef TOOLS_ENABLED
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_FORCE_INLINE_ EditorPlugin *get_godotsharp_editor() const {
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return godotsharp_editor;
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}
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#endif
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static void release_script_gchandle(MonoGCHandleData &p_gchandle);
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static void release_script_gchandle_thread_safe(GCHandleIntPtr p_gchandle_to_free, MonoGCHandleData &r_gchandle);
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static void release_binding_gchandle_thread_safe(GCHandleIntPtr p_gchandle_to_free, CSharpScriptBinding &r_script_binding);
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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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#ifdef GD_MONO_HOT_RELOAD
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bool is_assembly_reloading_needed();
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void reload_assemblies(bool p_soft_reload);
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#endif
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_FORCE_INLINE_ ManagedCallableMiddleman *get_managed_callable_middleman() const {
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return managed_callable_middleman;
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}
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String get_name() const override;
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/* LANGUAGE FUNCTIONS */
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String get_type() const override;
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String get_extension() const override;
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void init() override;
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void finish() override;
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void finalize();
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/* EDITOR FUNCTIONS */
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void get_reserved_words(List<String> *p_words) const override;
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bool is_control_flow_keyword(String p_keyword) const override;
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void get_comment_delimiters(List<String> *p_delimiters) const override;
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void get_string_delimiters(List<String> *p_delimiters) const override;
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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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/* TODO */ bool validate(const String &p_script, const String &p_path, List<String> *r_functions,
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List<ScriptLanguage::ScriptError> *r_errors = nullptr, List<ScriptLanguage::Warning> *r_warnings = nullptr, HashSet<int> *r_safe_lines = nullptr) const override {
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return true;
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}
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String validate_path(const String &p_path) const override;
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Script *create_script() const override;
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bool has_named_classes() const override;
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bool supports_builtin_mode() const override;
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/* TODO? */ int find_function(const String &p_function, const String &p_code) const override {
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return -1;
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}
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String make_function(const String &p_class, const String &p_name, const PackedStringArray &p_args) const override;
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virtual String _get_indentation() const;
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/* TODO? */ void auto_indent_code(String &p_code, int p_from_line, int p_to_line) const override {}
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/* TODO */ void add_global_constant(const StringName &p_variable, const Variant &p_value) override {}
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/* SCRIPT GLOBAL CLASS FUNCTIONS */
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virtual bool handles_global_class_type(const String &p_type) const override;
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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 override;
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/* DEBUGGER FUNCTIONS */
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String debug_get_error() const override;
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int debug_get_stack_level_count() const override;
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int debug_get_stack_level_line(int p_level) const override;
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String debug_get_stack_level_function(int p_level) const override;
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String debug_get_stack_level_source(int p_level) const override;
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/* TODO */ 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) override {}
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/* TODO */ 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) override {}
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/* TODO */ void debug_get_globals(List<String> *p_locals, List<Variant> *p_values, int p_max_subitems, int p_max_depth) override {}
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/* TODO */ String debug_parse_stack_level_expression(int p_level, const String &p_expression, int p_max_subitems, int p_max_depth) override {
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return "";
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}
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Vector<StackInfo> debug_get_current_stack_info() override;
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/* PROFILING FUNCTIONS */
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/* TODO */ void profiling_start() override {}
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/* TODO */ void profiling_stop() override {}
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/* TODO */ int profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) override {
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return 0;
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}
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/* TODO */ int profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) override {
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return 0;
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}
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void frame() override;
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/* TODO? */ void get_public_functions(List<MethodInfo> *p_functions) const override {}
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/* TODO? */ void get_public_constants(List<Pair<String, Variant>> *p_constants) const override {}
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/* TODO? */ void get_public_annotations(List<MethodInfo> *p_annotations) const override {}
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void reload_all_scripts() override;
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void reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) override;
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/* LOADER FUNCTIONS */
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void get_recognized_extensions(List<String> *p_extensions) const override;
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#ifdef TOOLS_ENABLED
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Error open_in_external_editor(const Ref<Script> &p_script, int p_line, int p_col) override;
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bool overrides_external_editor() override;
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#endif
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RBMap<Object *, CSharpScriptBinding>::Element *insert_script_binding(Object *p_object, const CSharpScriptBinding &p_script_binding);
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bool setup_csharp_script_binding(CSharpScriptBinding &r_script_binding, Object *p_object);
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static void tie_native_managed_to_unmanaged(GCHandleIntPtr p_gchandle_intptr, Object *p_unmanaged, const StringName *p_native_name, bool p_ref_counted);
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static void tie_user_managed_to_unmanaged(GCHandleIntPtr p_gchandle_intptr, Object *p_unmanaged, Ref<CSharpScript> *p_script, bool p_ref_counted);
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static void tie_managed_to_unmanaged_with_pre_setup(GCHandleIntPtr p_gchandle_intptr, Object *p_unmanaged);
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void post_unsafe_reference(Object *p_obj);
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void pre_unsafe_unreference(Object *p_obj);
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CSharpLanguage();
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~CSharpLanguage();
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};
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class ResourceFormatLoaderCSharpScript : public ResourceFormatLoader {
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public:
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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) override;
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void get_recognized_extensions(List<String> *p_extensions) const override;
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bool handles_type(const String &p_type) const override;
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String get_resource_type(const String &p_path) const override;
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};
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class ResourceFormatSaverCSharpScript : public ResourceFormatSaver {
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public:
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Error save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags = 0) override;
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void get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const override;
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bool recognize(const Ref<Resource> &p_resource) const override;
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};
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#endif // CSHARP_SCRIPT_H
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