diff options
author | Adam Scott <ascott.ca@gmail.com> | 2022-10-09 12:41:28 -0400 |
---|---|---|
committer | Adam Scott <ascott.ca@gmail.com> | 2022-11-18 16:41:31 -0500 |
commit | 5704055d30499cc63672d44001760a98abfbfc08 (patch) | |
tree | 96c5895a8d8961342208c72d1039e7b5f3aeec05 | |
parent | e8f9cd8ac5cf3e511e02d78a5497d204ca7e8308 (diff) |
Fix cyclic references in GDScript 2.0
20 files changed, 622 insertions, 109 deletions
diff --git a/modules/gdscript/gdscript.cpp b/modules/gdscript/gdscript.cpp index bd6cef0b6e..60230257e0 100644 --- a/modules/gdscript/gdscript.cpp +++ b/modules/gdscript/gdscript.cpp @@ -808,6 +808,11 @@ String GDScript::_get_debug_path() const { } Error GDScript::reload(bool p_keep_state) { + if (reloading) { + return OK; + } + reloading = true; + bool has_instances; { MutexLock lock(GDScriptLanguage::singleton->mutex); @@ -830,6 +835,7 @@ Error GDScript::reload(bool p_keep_state) { // Loading a template, don't parse. #ifdef TOOLS_ENABLED if (EditorPaths::get_singleton() && basedir.begins_with(EditorPaths::get_singleton()->get_project_script_templates_dir())) { + reloading = false; return OK; } #endif @@ -839,11 +845,10 @@ Error GDScript::reload(bool p_keep_state) { if (source_path.is_empty()) { source_path = get_path(); } - if (!source_path.is_empty()) { - MutexLock lock(GDScriptCache::singleton->lock); - if (!GDScriptCache::singleton->shallow_gdscript_cache.has(source_path)) { - GDScriptCache::singleton->shallow_gdscript_cache[source_path] = this; - } + Ref<GDScript> cached_script = GDScriptCache::get_cached_script(source_path); + if (!source_path.is_empty() && cached_script.is_null()) { + MutexLock lock(GDScriptCache::singleton->mutex); + GDScriptCache::singleton->shallow_gdscript_cache[source_path] = Ref<GDScript>(this); } } @@ -856,6 +861,7 @@ Error GDScript::reload(bool p_keep_state) { } // TODO: Show all error messages. _err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), parser.get_errors().front()->get().line, ("Parse Error: " + parser.get_errors().front()->get().message).utf8().get_data(), false, ERR_HANDLER_SCRIPT); + reloading = false; return ERR_PARSE_ERROR; } @@ -872,6 +878,7 @@ Error GDScript::reload(bool p_keep_state) { _err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), e->get().line, ("Parse Error: " + e->get().message).utf8().get_data(), false, ERR_HANDLER_SCRIPT); e = e->next(); } + reloading = false; return ERR_PARSE_ERROR; } @@ -886,8 +893,10 @@ Error GDScript::reload(bool p_keep_state) { GDScriptLanguage::get_singleton()->debug_break_parse(_get_debug_path(), compiler.get_error_line(), "Parser Error: " + compiler.get_error()); } _err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), compiler.get_error_line(), ("Compile Error: " + compiler.get_error()).utf8().get_data(), false, ERR_HANDLER_SCRIPT); + reloading = false; return ERR_COMPILATION_FAILED; } else { + reloading = false; return err; } } @@ -900,6 +909,7 @@ Error GDScript::reload(bool p_keep_state) { } #endif + reloading = false; return OK; } @@ -1006,16 +1016,22 @@ Error GDScript::load_byte_code(const String &p_path) { } void GDScript::set_path(const String &p_path, bool p_take_over) { + String old_path = path; if (is_root_script()) { Script::set_path(p_path, p_take_over); } this->path = p_path; + GDScriptCache::move_script(old_path, p_path); for (KeyValue<StringName, Ref<GDScript>> &kv : subclasses) { kv.value->set_path(p_path, p_take_over); } } Error GDScript::load_source_code(const String &p_path) { + if (p_path.is_empty() || ResourceLoader::get_resource_type(p_path.get_slice("::", 0)) == "PackedScene") { + return OK; + } + Vector<uint8_t> sourcef; Error err; Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err); @@ -1133,6 +1149,78 @@ GDScript *GDScript::get_root_script() { return result; } +RBSet<GDScript *> GDScript::get_dependencies() { + RBSet<GDScript *> dependencies; + + _get_dependencies(dependencies, this); + dependencies.erase(this); + + return dependencies; +} + +RBSet<GDScript *> GDScript::get_inverted_dependencies() { + RBSet<GDScript *> inverted_dependencies; + + List<GDScript *> scripts; + { + MutexLock lock(GDScriptLanguage::singleton->mutex); + + SelfList<GDScript> *elem = GDScriptLanguage::singleton->script_list.first(); + while (elem) { + scripts.push_back(elem->self()); + elem = elem->next(); + } + } + + for (GDScript *scr : scripts) { + if (scr == nullptr || scr == this || scr->destructing) { + continue; + } + + RBSet<GDScript *> scr_dependencies = scr->get_dependencies(); + if (scr_dependencies.has(this)) { + inverted_dependencies.insert(scr); + } + } + + return inverted_dependencies; +} + +RBSet<GDScript *> GDScript::get_must_clear_dependencies() { + RBSet<GDScript *> dependencies = get_dependencies(); + RBSet<GDScript *> must_clear_dependencies; + HashMap<GDScript *, RBSet<GDScript *>> inverted_dependencies; + + for (GDScript *E : dependencies) { + inverted_dependencies.insert(E, E->get_inverted_dependencies()); + } + + RBSet<GDScript *> cant_clear; + for (KeyValue<GDScript *, RBSet<GDScript *>> &E : inverted_dependencies) { + for (GDScript *F : E.value) { + if (!dependencies.has(F)) { + cant_clear.insert(E.key); + for (GDScript *G : E.key->get_dependencies()) { + cant_clear.insert(G); + } + break; + } + } + } + + for (KeyValue<GDScript *, RBSet<GDScript *>> &E : inverted_dependencies) { + if (cant_clear.has(E.key) || ScriptServer::is_global_class(E.key->get_fully_qualified_name())) { + continue; + } + must_clear_dependencies.insert(E.key); + } + + cant_clear.clear(); + dependencies.clear(); + inverted_dependencies.clear(); + return must_clear_dependencies; +} + bool GDScript::has_script_signal(const StringName &p_signal) const { if (_signals.has(p_signal)) { return true; @@ -1194,6 +1282,69 @@ String GDScript::_get_gdscript_reference_class_name(const GDScript *p_gdscript) return class_name; } +GDScript *GDScript::_get_gdscript_from_variant(const Variant &p_variant) { + Variant::Type type = p_variant.get_type(); + if (type != Variant::Type::OBJECT) + return nullptr; + + Object *obj = p_variant; + if (obj == nullptr) { + return nullptr; + } + + return Object::cast_to<GDScript>(obj); +} + +void GDScript::_get_dependencies(RBSet<GDScript *> &p_dependencies, const GDScript *p_except) { + if (skip_dependencies || p_dependencies.has(this)) { + return; + } + p_dependencies.insert(this); + + for (const KeyValue<StringName, GDScriptFunction *> &E : member_functions) { + if (E.value == nullptr) { + continue; + } + for (const Variant &V : E.value->constants) { + GDScript *scr = _get_gdscript_from_variant(V); + if (scr != nullptr && scr != p_except) { + scr->_get_dependencies(p_dependencies, p_except); + } + } + } + + if (implicit_initializer) { + for (const Variant &V : implicit_initializer->constants) { + GDScript *scr = _get_gdscript_from_variant(V); + if (scr != nullptr && scr != p_except) { + scr->_get_dependencies(p_dependencies, p_except); + } + } + } + + if (implicit_ready) { + for (const Variant &V : implicit_ready->constants) { + GDScript *scr = _get_gdscript_from_variant(V); + if (scr != nullptr && scr != p_except) { + scr->_get_dependencies(p_dependencies, p_except); + } + } + } + + for (KeyValue<StringName, Ref<GDScript>> &E : subclasses) { + if (E.value != p_except) { + E.value->_get_dependencies(p_dependencies, p_except); + } + } + + for (const KeyValue<StringName, Variant> &E : constants) { + GDScript *scr = _get_gdscript_from_variant(E.value); + if (scr != nullptr && scr != p_except) { + scr->_get_dependencies(p_dependencies, p_except); + } + } +} + GDScript::GDScript() : script_list(this) { #ifdef DEBUG_ENABLED @@ -1253,33 +1404,58 @@ void GDScript::_init_rpc_methods_properties() { } } -GDScript::~GDScript() { - { - MutexLock lock(GDScriptLanguage::get_singleton()->mutex); +void GDScript::clear() { + if (clearing) { + return; + } + clearing = true; - while (SelfList<GDScriptFunctionState> *E = pending_func_states.first()) { - // Order matters since clearing the stack may already cause - // the GDSCriptFunctionState to be destroyed and thus removed from the list. - pending_func_states.remove(E); - E->self()->_clear_stack(); + RBSet<GDScript *> must_clear_dependencies = get_must_clear_dependencies(); + HashMap<GDScript *, ObjectID> must_clear_dependencies_objectids; + + // Log the objectids before clearing, as a cascade of clear could + // remove instances that are still in the clear loop + for (GDScript *E : must_clear_dependencies) { + must_clear_dependencies_objectids.insert(E, E->get_instance_id()); + } + + for (GDScript *E : must_clear_dependencies) { + Object *obj = ObjectDB::get_instance(must_clear_dependencies_objectids[E]); + if (obj == nullptr) { + continue; } + + E->skip_dependencies = true; + E->clear(); + E->skip_dependencies = false; + GDScriptCache::remove_script(E->get_path()); } + RBSet<StringName> member_function_names; for (const KeyValue<StringName, GDScriptFunction *> &E : member_functions) { - memdelete(E.value); + member_function_names.insert(E.key); + } + for (const StringName &E : member_function_names) { + if (member_functions.has(E)) { + memdelete(member_functions[E]); + } + } + member_function_names.clear(); + member_functions.clear(); + + for (KeyValue<StringName, GDScript::MemberInfo> &E : member_indices) { + E.value.data_type.script_type_ref = Ref<Script>(); } if (implicit_initializer) { memdelete(implicit_initializer); } + implicit_initializer = nullptr; if (implicit_ready) { memdelete(implicit_ready); } - - if (GDScriptCache::singleton) { // Cache may have been already destroyed at engine shutdown. - GDScriptCache::remove_script(get_path()); - } + implicit_ready = nullptr; _save_orphaned_subclasses(); @@ -1289,6 +1465,27 @@ GDScript::~GDScript() { _clear_doc(); } #endif + clearing = false; +} + +GDScript::~GDScript() { + if (destructing) { + return; + } + destructing = true; + + clear(); + + { + MutexLock lock(GDScriptLanguage::get_singleton()->mutex); + + while (SelfList<GDScriptFunctionState> *E = pending_func_states.first()) { + // Order matters since clearing the stack may already cause + // the GDScriptFunctionState to be destroyed and thus removed from the list. + pending_func_states.remove(E); + E->self()->_clear_stack(); + } + } #ifdef DEBUG_ENABLED { @@ -1297,6 +1494,10 @@ GDScript::~GDScript() { GDScriptLanguage::get_singleton()->script_list.remove(&script_list); } #endif + + if (GDScriptCache::singleton) { // Cache may have been already destroyed at engine shutdown. + GDScriptCache::remove_script(get_path()); + } } ////////////////////////////// @@ -2336,26 +2537,27 @@ GDScriptLanguage::~GDScriptLanguage() { // Clear dependencies between scripts, to ensure cyclic references are broken (to avoid leaks at exit). SelfList<GDScript> *s = script_list.first(); while (s) { - GDScript *scr = s->self(); // This ensures the current script is not released before we can check what's the next one // in the list (we can't get the next upfront because we don't know if the reference breaking // will cause it -or any other after it, for that matter- to be released so the next one // is not the same as before). - scr->reference(); - - for (KeyValue<StringName, GDScriptFunction *> &E : scr->member_functions) { - GDScriptFunction *func = E.value; - for (int i = 0; i < func->argument_types.size(); i++) { - func->argument_types.write[i].script_type_ref = Ref<Script>(); + Ref<GDScript> scr = s->self(); + if (scr.is_valid()) { + for (KeyValue<StringName, GDScriptFunction *> &E : scr->member_functions) { + GDScriptFunction *func = E.value; + for (int i = 0; i < func->argument_types.size(); i++) { + func->argument_types.write[i].script_type_ref = Ref<Script>(); + } + func->return_type.script_type_ref = Ref<Script>(); + } + for (KeyValue<StringName, GDScript::MemberInfo> &E : scr->member_indices) { + E.value.data_type.script_type_ref = Ref<Script>(); } - func->return_type.script_type_ref = Ref<Script>(); - } - for (KeyValue<StringName, GDScript::MemberInfo> &E : scr->member_indices) { - E.value.data_type.script_type_ref = Ref<Script>(); - } + // Clear backup for scripts that could slip out of the cyclic reference check + scr->clear(); + } s = s->next(); - scr->unreference(); } singleton = nullptr; @@ -2379,6 +2581,27 @@ Ref<GDScript> GDScriptLanguage::get_orphan_subclass(const String &p_qualified_na return Ref<GDScript>(Object::cast_to<GDScript>(obj)); } +Ref<GDScript> GDScriptLanguage::get_script_by_fully_qualified_name(const String &p_name) { + { + MutexLock lock(mutex); + + SelfList<GDScript> *elem = script_list.first(); + while (elem) { + GDScript *scr = elem->self(); + scr = scr->find_class(p_name); + if (scr != nullptr) { + return scr; + } + elem = elem->next(); + } + } + + Ref<GDScript> scr; + scr.instantiate(); + scr->fully_qualified_name = p_name; + return scr; +} + /*************** RESOURCE ***************/ Ref<Resource> ResourceFormatLoaderGDScript::load(const String &p_path, const String &p_original_path, Error *r_error, bool p_use_sub_threads, float *r_progress, CacheMode p_cache_mode) { diff --git a/modules/gdscript/gdscript.h b/modules/gdscript/gdscript.h index 61600b1258..2df89d812c 100644 --- a/modules/gdscript/gdscript.h +++ b/modules/gdscript/gdscript.h @@ -61,6 +61,8 @@ class GDScript : public Script { GDCLASS(GDScript, Script); bool tool = false; bool valid = false; + bool reloading = false; + bool skip_dependencies = false; struct MemberInfo { int index = 0; @@ -124,6 +126,8 @@ class GDScript : public Script { int subclass_count = 0; RBSet<Object *> instances; + bool destructing = false; + bool clearing = false; //exported members String source; String path; @@ -163,6 +167,9 @@ class GDScript : public Script { // This method will map the class name from "RefCounted" to "MyClass.InnerClass". static String _get_gdscript_reference_class_name(const GDScript *p_gdscript); + GDScript *_get_gdscript_from_variant(const Variant &p_variant); + void _get_dependencies(RBSet<GDScript *> &p_dependencies, const GDScript *p_except); + protected: bool _get(const StringName &p_name, Variant &r_ret) const; bool _set(const StringName &p_name, const Variant &p_value); @@ -173,6 +180,8 @@ protected: static void _bind_methods(); public: + void clear(); + virtual bool is_valid() const override { return valid; } bool inherits_script(const Ref<Script> &p_script) const override; @@ -193,6 +202,10 @@ public: const Ref<GDScriptNativeClass> &get_native() const { return native; } const String &get_script_class_name() const { return name; } + RBSet<GDScript *> get_dependencies(); + RBSet<GDScript *> get_inverted_dependencies(); + RBSet<GDScript *> get_must_clear_dependencies(); + virtual bool has_script_signal(const StringName &p_signal) const override; virtual void get_script_signal_list(List<MethodInfo> *r_signals) const override; @@ -270,6 +283,7 @@ class GDScriptInstance : public ScriptInstance { friend class GDScriptLambdaCallable; friend class GDScriptLambdaSelfCallable; friend class GDScriptCompiler; + friend class GDScriptCache; friend struct GDScriptUtilityFunctionsDefinitions; ObjectID owner_id; @@ -518,6 +532,8 @@ public: 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(); }; diff --git a/modules/gdscript/gdscript_analyzer.cpp b/modules/gdscript/gdscript_analyzer.cpp index 8da77b9e5b..45aa7a67de 100644 --- a/modules/gdscript/gdscript_analyzer.cpp +++ b/modules/gdscript/gdscript_analyzer.cpp @@ -39,6 +39,7 @@ #include "core/templates/hash_map.h" #include "gdscript.h" #include "gdscript_utility_functions.h" +#include "scene/resources/packed_scene.h" static MethodInfo info_from_utility_func(const StringName &p_function) { ERR_FAIL_COND_V(!Variant::has_utility_function(p_function), MethodInfo()); @@ -3103,7 +3104,7 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident GDScriptParser::DataType result; result.kind = GDScriptParser::DataType::NATIVE; result.type_source = GDScriptParser::DataType::ANNOTATED_EXPLICIT; - if (autoload.path.to_lower().ends_with(GDScriptLanguage::get_singleton()->get_extension())) { + if (ResourceLoader::get_resource_type(autoload.path) == "GDScript") { Ref<GDScriptParserRef> singl_parser = get_parser_for(autoload.path); if (singl_parser.is_valid()) { Error err = singl_parser->raise_status(GDScriptParserRef::INTERFACE_SOLVED); @@ -3111,6 +3112,34 @@ void GDScriptAnalyzer::reduce_identifier(GDScriptParser::IdentifierNode *p_ident result = type_from_metatype(singl_parser->get_parser()->head->get_datatype()); } } + } else if (ResourceLoader::get_resource_type(autoload.path) == "PackedScene") { + Error err = OK; + Ref<PackedScene> scene = GDScriptCache::get_packed_scene(autoload.path, err); + if (err == OK && scene->get_state().is_valid()) { + Ref<SceneState> state = scene->get_state(); + if (state->get_node_count() > 0) { + const int ROOT_NODE = 0; + for (int i = 0; i < state->get_node_property_count(ROOT_NODE); i++) { + if (state->get_node_property_name(ROOT_NODE, i) != SNAME("script")) { + continue; + } + + Ref<GDScript> scr = state->get_node_property_value(ROOT_NODE, i); + if (scr.is_null()) { + continue; + } + + Ref<GDScriptParserRef> singl_parser = get_parser_for(scr->get_path()); + if (singl_parser.is_valid()) { + err = singl_parser->raise_status(GDScriptParserRef::INTERFACE_SOLVED); + if (err == OK) { + result = type_from_metatype(singl_parser->get_parser()->head->get_datatype()); + } + } + break; + } + } + } } result.is_constant = true; p_identifier->set_datatype(result); @@ -3236,9 +3265,28 @@ void GDScriptAnalyzer::reduce_preload(GDScriptParser::PreloadNode *p_preload) { } } else { // TODO: Don't load if validating: use completion cache. - p_preload->resource = ResourceLoader::load(p_preload->resolved_path); - if (p_preload->resource.is_null()) { - push_error(vformat(R"(Could not preload resource file "%s".)", p_preload->resolved_path), p_preload->path); + + // Must load GDScript and PackedScenes separately to permit cyclic references + // as ResourceLoader::load() detect and reject those. + if (ResourceLoader::get_resource_type(p_preload->resolved_path) == "GDScript") { + Error err = OK; + Ref<GDScript> res = GDScriptCache::get_shallow_script(p_preload->resolved_path, err, parser->script_path); + p_preload->resource = res; + if (err != OK) { + push_error(vformat(R"(Could not preload resource script "%s".)", p_preload->resolved_path), p_preload->path); + } + } else if (ResourceLoader::get_resource_type(p_preload->resolved_path) == "PackedScene") { + Error err = OK; + Ref<PackedScene> res = GDScriptCache::get_packed_scene(p_preload->resolved_path, err, parser->script_path); + p_preload->resource = res; + if (err != OK) { + push_error(vformat(R"(Could not preload resource scene "%s".)", p_preload->resolved_path), p_preload->path); + } + } else { + p_preload->resource = ResourceLoader::load(p_preload->resolved_path); + if (p_preload->resource.is_null()) { + push_error(vformat(R"(Could not preload resource file "%s".)", p_preload->resolved_path), p_preload->path); + } } } } @@ -3280,6 +3328,17 @@ void GDScriptAnalyzer::reduce_subscript(GDScriptParser::SubscriptNode *p_subscri // Just try to get it. bool valid = false; Variant value = p_subscript->base->reduced_value.get_named(p_subscript->attribute->name, valid); + + // If it's a GDScript instance, try to get the full script. Maybe it's not still completely loaded. + Ref<GDScript> gdscr = Ref<GDScript>(p_subscript->base->reduced_value); + if (!valid && gdscr.is_valid()) { + Error err = OK; + GDScriptCache::get_full_script(gdscr->get_path(), err); + if (err == OK) { + value = p_subscript->base->reduced_value.get_named(p_subscript->attribute->name, valid); + } + } + if (!valid) { push_error(vformat(R"(Cannot get member "%s" from "%s".)", p_subscript->attribute->name, p_subscript->base->reduced_value), p_subscript->index); result_type.kind = GDScriptParser::DataType::VARIANT; @@ -3662,50 +3721,43 @@ GDScriptParser::DataType GDScriptAnalyzer::type_from_variant(const Variant &p_va scr = obj->get_script(); } if (scr.is_valid()) { - if (scr->is_valid()) { - result.script_type = scr; - result.script_path = scr->get_path(); - Ref<GDScript> gds = scr; - if (gds.is_valid()) { - result.kind = GDScriptParser::DataType::CLASS; - // This might be an inner class, so we want to get the parser for the root. - // But still get the inner class from that tree. - GDScript *current = gds.ptr(); - List<StringName> class_chain; - while (current->_owner) { - // Push to front so it's in reverse. - class_chain.push_front(current->name); - current = current->_owner; - } - - Ref<GDScriptParserRef> ref = get_parser_for(current->get_path()); - if (ref.is_null()) { - push_error("Could not find script in path.", p_source); - GDScriptParser::DataType error_type; - error_type.kind = GDScriptParser::DataType::VARIANT; - return error_type; - } - ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED); + result.script_type = scr; + result.script_path = scr->get_path(); + Ref<GDScript> gds = scr; + if (gds.is_valid()) { + result.kind = GDScriptParser::DataType::CLASS; + // This might be an inner class, so we want to get the parser for the root. + // But still get the inner class from that tree. + GDScript *current = gds.ptr(); + List<StringName> class_chain; + while (current->_owner) { + // Push to front so it's in reverse. + class_chain.push_front(current->name); + current = current->_owner; + } - GDScriptParser::ClassNode *found = ref->get_parser()->head; + Ref<GDScriptParserRef> ref = get_parser_for(current->get_path()); + if (ref.is_null()) { + push_error("Could not find script in path.", p_source); + GDScriptParser::DataType error_type; + error_type.kind = GDScriptParser::DataType::VARIANT; + return error_type; + } + ref->raise_status(GDScriptParserRef::INTERFACE_SOLVED); - // It should be okay to assume this exists, since we have a complete script already. - for (const StringName &E : class_chain) { - found = found->get_member(E).m_class; - } + GDScriptParser::ClassNode *found = ref->get_parser()->head; - result.class_type = found; - result.script_path = ref->get_parser()->script_path; - } else { - result.kind = GDScriptParser::DataType::SCRIPT; + // It should be okay to assume this exists, since we have a complete script already. + for (const StringName &E : class_chain) { + found = found->get_member(E).m_class; } - result.native_type = scr->get_instance_base_type(); + + result.class_type = found; + result.script_path = ref->get_parser()->script_path; } else { - push_error(vformat(R"(Constant value uses script from "%s" which is loaded but not compiled.)", scr->get_path()), p_source); - result.kind = GDScriptParser::DataType::VARIANT; - result.type_source = GDScriptParser::DataType::UNDETECTED; - result.is_meta_type = false; + result.kind = GDScriptParser::DataType::SCRIPT; } + result.native_type = scr->get_instance_base_type(); } else { result.kind = GDScriptParser::DataType::NATIVE; if (result.native_type == GDScriptNativeClass::get_class_static()) { diff --git a/modules/gdscript/gdscript_cache.cpp b/modules/gdscript/gdscript_cache.cpp index 03a101b9fc..40681d9771 100644 --- a/modules/gdscript/gdscript_cache.cpp +++ b/modules/gdscript/gdscript_cache.cpp @@ -36,6 +36,7 @@ #include "gdscript_analyzer.h" #include "gdscript_compiler.h" #include "gdscript_parser.h" +#include "scene/resources/packed_scene.h" bool GDScriptParserRef::is_valid() const { return parser != nullptr; @@ -96,27 +97,88 @@ Error GDScriptParserRef::raise_status(Status p_new_status) { return result; } -GDScriptParserRef::~GDScriptParserRef() { +void GDScriptParserRef::clear() { + if (cleared) { + return; + } + cleared = true; + if (parser != nullptr) { memdelete(parser); } + if (analyzer != nullptr) { memdelete(analyzer); } - MutexLock lock(GDScriptCache::singleton->lock); +} + +GDScriptParserRef::~GDScriptParserRef() { + clear(); + + MutexLock lock(GDScriptCache::singleton->mutex); GDScriptCache::singleton->parser_map.erase(path); } GDScriptCache *GDScriptCache::singleton = nullptr; +void GDScriptCache::move_script(const String &p_from, const String &p_to) { + if (singleton == nullptr) { + return; + } + + MutexLock lock(singleton->mutex); + + for (KeyValue<String, HashSet<String>> &E : singleton->packed_scene_dependencies) { + if (E.value.has(p_from)) { + E.value.insert(p_to); + E.value.erase(p_from); + } + } + + if (singleton->parser_map.has(p_from) && !p_from.is_empty()) { + singleton->parser_map[p_to] = singleton->parser_map[p_from]; + } + singleton->parser_map.erase(p_from); + + if (singleton->shallow_gdscript_cache.has(p_from) && !p_from.is_empty()) { + singleton->shallow_gdscript_cache[p_to] = singleton->shallow_gdscript_cache[p_from]; + } + singleton->shallow_gdscript_cache.erase(p_from); + + if (singleton->full_gdscript_cache.has(p_from) && !p_from.is_empty()) { + singleton->full_gdscript_cache[p_to] = singleton->full_gdscript_cache[p_from]; + } + singleton->full_gdscript_cache.erase(p_from); +} + void GDScriptCache::remove_script(const String &p_path) { - MutexLock lock(singleton->lock); + if (singleton == nullptr) { + return; + } + + MutexLock lock(singleton->mutex); + + for (KeyValue<String, HashSet<String>> &E : singleton->packed_scene_dependencies) { + if (!E.value.has(p_path)) { + continue; + } + E.value.erase(p_path); + } + + GDScriptCache::clear_unreferenced_packed_scenes(); + + if (singleton->parser_map.has(p_path)) { + singleton->parser_map[p_path]->clear(); + singleton->parser_map.erase(p_path); + } + + singleton->dependencies.erase(p_path); singleton->shallow_gdscript_cache.erase(p_path); singleton->full_gdscript_cache.erase(p_path); } Ref<GDScriptParserRef> GDScriptCache::get_parser(const String &p_path, GDScriptParserRef::Status p_status, Error &r_error, const String &p_owner) { - MutexLock lock(singleton->lock); + MutexLock lock(singleton->mutex); Ref<GDScriptParserRef> ref; if (!p_owner.is_empty()) { singleton->dependencies[p_owner].insert(p_path); @@ -163,7 +225,7 @@ String GDScriptCache::get_source_code(const String &p_path) { } Ref<GDScript> GDScriptCache::get_shallow_script(const String &p_path, Error &r_error, const String &p_owner) { - MutexLock lock(singleton->lock); + MutexLock lock(singleton->mutex); if (!p_owner.is_empty()) { singleton->dependencies[p_owner].insert(p_path); } @@ -185,12 +247,12 @@ Ref<GDScript> GDScriptCache::get_shallow_script(const String &p_path, Error &r_e script->load_source_code(p_path); GDScriptCompiler::make_scripts(script.ptr(), parser_ref->get_parser()->get_tree(), true); - singleton->shallow_gdscript_cache[p_path] = script.ptr(); + singleton->shallow_gdscript_cache[p_path] = script; return script; } Ref<GDScript> GDScriptCache::get_full_script(const String &p_path, Error &r_error, const String &p_owner, bool p_update_from_disk) { - MutexLock lock(singleton->lock); + MutexLock lock(singleton->mutex); if (!p_owner.is_empty()) { singleton->dependencies[p_owner].insert(p_path); @@ -220,19 +282,21 @@ Ref<GDScript> GDScriptCache::get_full_script(const String &p_path, Error &r_erro return script; } + singleton->full_gdscript_cache[p_path] = script; + singleton->shallow_gdscript_cache.erase(p_path); + r_error = script->reload(true); if (r_error) { + singleton->shallow_gdscript_cache[p_path] = script; + singleton->full_gdscript_cache.erase(p_path); return script; } - singleton->full_gdscript_cache[p_path] = script.ptr(); - singleton->shallow_gdscript_cache.erase(p_path); - return script; } Ref<GDScript> GDScriptCache::get_cached_script(const String &p_path) { - MutexLock lock(singleton->lock); + MutexLock lock(singleton->mutex); if (singleton->full_gdscript_cache.has(p_path)) { return singleton->full_gdscript_cache[p_path]; @@ -246,11 +310,11 @@ Ref<GDScript> GDScriptCache::get_cached_script(const String &p_path) { } Error GDScriptCache::finish_compiling(const String &p_owner) { - MutexLock lock(singleton->lock); + MutexLock lock(singleton->mutex); // Mark this as compiled. Ref<GDScript> script = get_cached_script(p_owner); - singleton->full_gdscript_cache[p_owner] = script.ptr(); + singleton->full_gdscript_cache[p_owner] = script; singleton->shallow_gdscript_cache.erase(p_owner); HashSet<String> depends = singleton->dependencies[p_owner]; @@ -271,13 +335,73 @@ Error GDScriptCache::finish_compiling(const String &p_owner) { return err; } +Ref<PackedScene> GDScriptCache::get_packed_scene(const String &p_path, Error &r_error, const String &p_owner) { + MutexLock lock(singleton->mutex); + + if (singleton->packed_scene_cache.has(p_path)) { + singleton->packed_scene_dependencies[p_path].insert(p_owner); + return singleton->packed_scene_cache[p_path]; + } + + Ref<PackedScene> scene; + scene.instantiate(); + + r_error = OK; + if (p_path.is_empty()) { + r_error = ERR_FILE_BAD_PATH; + return scene; + } + + scene->set_path(p_path); + singleton->packed_scene_cache[p_path] = scene; + singleton->packed_scene_dependencies[p_path].insert(p_owner); + + scene->recreate_state(); + scene->reload_from_file(); + return scene; +} + +void GDScriptCache::clear_unreferenced_packed_scenes() { + if (singleton == nullptr) { + return; + } + + MutexLock lock(singleton->mutex); + + for (KeyValue<String, HashSet<String>> &E : singleton->packed_scene_dependencies) { + if (E.value.size() > 0 || !ResourceLoader::is_imported(E.key)) { + continue; + } + + singleton->packed_scene_dependencies.erase(E.key); + singleton->packed_scene_cache.erase(E.key); + } +} + GDScriptCache::GDScriptCache() { singleton = this; } GDScriptCache::~GDScriptCache() { + destructing = true; + + RBSet<Ref<GDScriptParserRef>> parser_map_refs; + for (KeyValue<String, GDScriptParserRef *> &E : parser_map) { + parser_map_refs.insert(E.value); + } + + for (Ref<GDScriptParserRef> &E : parser_map_refs) { + if (E.is_valid()) + E->clear(); + } + + parser_map_refs.clear(); parser_map.clear(); shallow_gdscript_cache.clear(); full_gdscript_cache.clear(); + + packed_scene_cache.clear(); + packed_scene_dependencies.clear(); + singleton = nullptr; } diff --git a/modules/gdscript/gdscript_cache.h b/modules/gdscript/gdscript_cache.h index fcd240ba8d..2195932aa3 100644 --- a/modules/gdscript/gdscript_cache.h +++ b/modules/gdscript/gdscript_cache.h @@ -36,6 +36,7 @@ #include "core/templates/hash_map.h" #include "core/templates/hash_set.h" #include "gdscript.h" +#include "scene/resources/packed_scene.h" class GDScriptAnalyzer; class GDScriptParser; @@ -56,6 +57,7 @@ private: Status status = EMPTY; Error result = OK; String path; + bool cleared = false; friend class GDScriptCache; @@ -64,6 +66,7 @@ public: Status get_status() const; GDScriptParser *get_parser() const; Error raise_status(Status p_new_status); + void clear(); GDScriptParserRef() {} ~GDScriptParserRef(); @@ -72,19 +75,25 @@ public: class GDScriptCache { // String key is full path. HashMap<String, GDScriptParserRef *> parser_map; - HashMap<String, GDScript *> shallow_gdscript_cache; - HashMap<String, GDScript *> full_gdscript_cache; + HashMap<String, Ref<GDScript>> shallow_gdscript_cache; + HashMap<String, Ref<GDScript>> full_gdscript_cache; HashMap<String, HashSet<String>> dependencies; + HashMap<String, Ref<PackedScene>> packed_scene_cache; + HashMap<String, HashSet<String>> packed_scene_dependencies; friend class GDScript; friend class GDScriptParserRef; + friend class GDScriptInstance; static GDScriptCache *singleton; - Mutex lock; - static void remove_script(const String &p_path); + bool destructing = false; + + Mutex mutex; public: + static void move_script(const String &p_from, const String &p_to); + static void remove_script(const String &p_path); static Ref<GDScriptParserRef> get_parser(const String &p_path, GDScriptParserRef::Status status, Error &r_error, const String &p_owner = String()); static String get_source_code(const String &p_path); static Ref<GDScript> get_shallow_script(const String &p_path, Error &r_error, const String &p_owner = String()); @@ -92,6 +101,16 @@ public: static Ref<GDScript> get_cached_script(const String &p_path); static Error finish_compiling(const String &p_owner); + static Ref<PackedScene> get_packed_scene(const String &p_path, Error &r_error, const String &p_owner = ""); + static void clear_unreferenced_packed_scenes(); + + static bool is_destructing() { + if (singleton == nullptr) { + return true; + } + return singleton->destructing; + }; + GDScriptCache(); ~GDScriptCache(); }; diff --git a/modules/gdscript/gdscript_compiler.cpp b/modules/gdscript/gdscript_compiler.cpp index 824625b745..f0ceb42f89 100644 --- a/modules/gdscript/gdscript_compiler.cpp +++ b/modules/gdscript/gdscript_compiler.cpp @@ -141,6 +141,7 @@ GDScriptDataType GDScriptCompiler::_gdtype_from_datatype(const GDScriptParser::D result.script_type_ref = script; } result.script_type = script.ptr(); + result.native_type = p_datatype.native_type; } } break; case GDScriptParser::DataType::ENUM: @@ -354,11 +355,22 @@ GDScriptCodeGenerator::Address GDScriptCompiler::_parse_expression(CodeGen &code if (class_node->identifier && class_node->identifier->name == identifier) { res = Ref<GDScript>(main_script); } else { - res = ResourceLoader::load(ScriptServer::get_global_class_path(identifier)); - if (res.is_null()) { - _set_error("Can't load global class " + String(identifier) + ", cyclic reference?", p_expression); - r_error = ERR_COMPILATION_FAILED; - return GDScriptCodeGenerator::Address(); + String global_class_path = ScriptServer::get_global_class_path(identifier); + if (ResourceLoader::get_resource_type(global_class_path) == "GDScript") { + Error err = OK; + res = GDScriptCache::get_full_script(global_class_path, err); + if (err != OK) { + _set_error("Can't load global class " + String(identifier), p_expression); + r_error = ERR_COMPILATION_FAILED; + return GDScriptCodeGenerator::Address(); + } + } else { + res = ResourceLoader::load(global_class_path); + if (res.is_null()) { + _set_error("Can't load global class " + String(identifier) + ", cyclic reference?", p_expression); + r_error = ERR_COMPILATION_FAILED; + return GDScriptCodeGenerator::Address(); + } } } @@ -2172,6 +2184,7 @@ Error GDScriptCompiler::_populate_class_members(GDScript *p_script, const GDScri parsing_classes.insert(p_script); + p_script->clearing = true; #ifdef TOOLS_ENABLED p_script->doc_functions.clear(); p_script->doc_variables.clear(); @@ -2194,10 +2207,24 @@ Error GDScriptCompiler::_populate_class_members(GDScript *p_script, const GDScri p_script->base = Ref<GDScript>(); p_script->_base = nullptr; p_script->members.clear(); + + // This makes possible to clear script constants and member_functions without heap-use-after-free errors. + HashMap<StringName, Variant> constants; + for (const KeyValue<StringName, Variant> &E : p_script->constants) { + constants.insert(E.key, E.value); + } p_script->constants.clear(); + constants.clear(); + HashMap<StringName, GDScriptFunction *> member_functions; for (const KeyValue<StringName, GDScriptFunction *> &E : p_script->member_functions) { + member_functions.insert(E.key, E.value); + } + p_script->member_functions.clear(); + for (const KeyValue<StringName, GDScriptFunction *> &E : member_functions) { memdelete(E.value); } + member_functions.clear(); + if (p_script->implicit_initializer) { memdelete(p_script->implicit_initializer); } @@ -2212,6 +2239,8 @@ Error GDScriptCompiler::_populate_class_members(GDScript *p_script, const GDScri p_script->implicit_initializer = nullptr; p_script->implicit_ready = nullptr; + p_script->clearing = false; + p_script->tool = parser->is_tool(); if (!p_script->name.is_empty()) { @@ -2454,10 +2483,8 @@ Error GDScriptCompiler::_populate_class_members(GDScript *p_script, const GDScri } #ifdef TOOLS_ENABLED - p_script->member_lines[name] = inner_class->start_line; #endif - p_script->constants.insert(name, subclass); //once parsed, goes to the list of constants } diff --git a/modules/gdscript/gdscript_function.cpp b/modules/gdscript/gdscript_function.cpp index 98b3e40f1b..24a614b1ad 100644 --- a/modules/gdscript/gdscript_function.cpp +++ b/modules/gdscript/gdscript_function.cpp @@ -149,10 +149,17 @@ GDScriptFunction::GDScriptFunction() { } GDScriptFunction::~GDScriptFunction() { + get_script()->member_functions.erase(name); + for (int i = 0; i < lambdas.size(); i++) { memdelete(lambdas[i]); } + for (int i = 0; i < argument_types.size(); i++) { + argument_types.write[i].script_type_ref = Ref<Script>(); + } + return_type.script_type_ref = Ref<Script>(); + #ifdef DEBUG_ENABLED MutexLock lock(GDScriptLanguage::get_singleton()->mutex); diff --git a/modules/gdscript/gdscript_function.h b/modules/gdscript/gdscript_function.h index e44038d6da..6e5f7a8520 100644 --- a/modules/gdscript/gdscript_function.h +++ b/modules/gdscript/gdscript_function.h @@ -430,6 +430,7 @@ public: }; private: + friend class GDScript; friend class GDScriptCompiler; friend class GDScriptByteCodeGenerator; diff --git a/modules/gdscript/gdscript_parser.cpp b/modules/gdscript/gdscript_parser.cpp index 053d81893d..ce14b412c7 100644 --- a/modules/gdscript/gdscript_parser.cpp +++ b/modules/gdscript/gdscript_parser.cpp @@ -648,7 +648,13 @@ GDScriptParser::ClassNode *GDScriptParser::parse_class() { if (consume(GDScriptTokenizer::Token::IDENTIFIER, R"(Expected identifier for the class name after "class".)")) { n_class->identifier = parse_identifier(); if (n_class->outer) { - n_class->fqcn = n_class->outer->fqcn + "::" + n_class->identifier->name; + String fqcn = n_class->outer->fqcn; + if (fqcn.is_empty()) { + fqcn = script_path; + } + n_class->fqcn = fqcn + "::" + n_class->identifier->name; + } else { + n_class->fqcn = n_class->identifier->name; } } diff --git a/modules/gdscript/tests/gdscript_test_runner.cpp b/modules/gdscript/tests/gdscript_test_runner.cpp index 1ccbf9d150..7f42643c8f 100644 --- a/modules/gdscript/tests/gdscript_test_runner.cpp +++ b/modules/gdscript/tests/gdscript_test_runner.cpp @@ -251,7 +251,10 @@ bool GDScriptTestRunner::make_tests_for_dir(const String &p_dir) { return false; } } else { - if (next.get_extension().to_lower() == "gd") { + if (next.ends_with(".notest.gd")) { + next = dir->get_next(); + continue; + } else if (next.get_extension().to_lower() == "gd") { #ifndef DEBUG_ENABLED // On release builds, skip tests marked as debug only. Error open_err = OK; @@ -597,6 +600,9 @@ GDScriptTest::TestResult GDScriptTest::execute_test_code(bool p_is_generating) { } enable_stdout(); + + GDScriptCache::remove_script(script->get_path()); + return result; } diff --git a/modules/gdscript/tests/scripts/analyzer/features/gdscript_to_preload.gd b/modules/gdscript/tests/scripts/analyzer/features/gdscript_to_preload.notest.gd index ea744e3027..c3fc176679 100644 --- a/modules/gdscript/tests/scripts/analyzer/features/gdscript_to_preload.gd +++ b/modules/gdscript/tests/scripts/analyzer/features/gdscript_to_preload.notest.gd @@ -1,7 +1,4 @@ const A := 42 -func test(): - pass - func something(): return "OK" diff --git a/modules/gdscript/tests/scripts/analyzer/features/preload_constant_types_are_inferred.gd b/modules/gdscript/tests/scripts/analyzer/features/preload_constant_types_are_inferred.gd index 276875dd5a..9d0324ead8 100644 --- a/modules/gdscript/tests/scripts/analyzer/features/preload_constant_types_are_inferred.gd +++ b/modules/gdscript/tests/scripts/analyzer/features/preload_constant_types_are_inferred.gd @@ -1,4 +1,4 @@ -const Constants = preload("gdscript_to_preload.gd") +const Constants = preload("gdscript_to_preload.notest.gd") func test(): var a := Constants.A diff --git a/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference.gd b/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference.gd new file mode 100644 index 0000000000..b730453a8a --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference.gd @@ -0,0 +1,4 @@ +const A = preload("preload_cyclic_reference_a.notest.gd") + +func test(): + A.test_cyclic_reference() diff --git a/modules/gdscript/tests/scripts/analyzer/features/gdscript_to_preload.out b/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference.out index d73c5eb7cd..14bb971221 100644 --- a/modules/gdscript/tests/scripts/analyzer/features/gdscript_to_preload.out +++ b/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference.out @@ -1 +1,2 @@ GDTEST_OK +godot diff --git a/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference_a.notest.gd b/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference_a.notest.gd new file mode 100644 index 0000000000..7a6035ded1 --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference_a.notest.gd @@ -0,0 +1,12 @@ +const B = preload("preload_cyclic_reference_b.notest.gd") + +const WAITING_FOR = "godot" + +static func test_cyclic_reference(): + B.test_cyclic_reference() + +static func test_cyclic_reference_2(): + B.test_cyclic_reference_2() + +static func test_cyclic_reference_3(): + B.test_cyclic_reference_3() diff --git a/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference_b.notest.gd b/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference_b.notest.gd new file mode 100644 index 0000000000..3ea5b01156 --- /dev/null +++ b/modules/gdscript/tests/scripts/analyzer/features/preload_cyclic_reference_b.notest.gd @@ -0,0 +1,10 @@ +const A = preload("preload_cyclic_reference_a.notest.gd") + +static func test_cyclic_reference(): + A.test_cyclic_reference_2() + +static func test_cyclic_reference_2(): + A.test_cyclic_reference_3() + +static func test_cyclic_reference_3(): + print(A.WAITING_FOR) diff --git a/modules/gdscript/tests/scripts/analyzer/features/use_preload_script_as_type.gd b/modules/gdscript/tests/scripts/analyzer/features/use_preload_script_as_type.gd index 5f73064cc0..beabf3d2e5 100644 --- a/modules/gdscript/tests/scripts/analyzer/features/use_preload_script_as_type.gd +++ b/modules/gdscript/tests/scripts/analyzer/features/use_preload_script_as_type.gd @@ -1,4 +1,4 @@ -const preloaded : GDScript = preload("gdscript_to_preload.gd") +const preloaded : GDScript = preload("gdscript_to_preload.notest.gd") func test(): var preloaded_instance: preloaded = preloaded.new() diff --git a/scene/resources/resource_format_text.cpp b/scene/resources/resource_format_text.cpp index 712a67547b..8b2b7e118c 100644 --- a/scene/resources/resource_format_text.cpp +++ b/scene/resources/resource_format_text.cpp @@ -601,9 +601,13 @@ Error ResourceLoaderText::load() { resource_current++; int_resources[id] = res; //always assign int resources - if (do_assign && cache_mode != ResourceFormatLoader::CACHE_MODE_IGNORE) { - res->set_path(path, cache_mode == ResourceFormatLoader::CACHE_MODE_REPLACE); - res->set_scene_unique_id(id); + if (do_assign) { + if (cache_mode == ResourceFormatLoader::CACHE_MODE_IGNORE) { + res->set_path(path); + } else { + res->set_path(path, cache_mode == ResourceFormatLoader::CACHE_MODE_REPLACE); + res->set_scene_unique_id(id); + } } Dictionary missing_resource_properties; diff --git a/scene/resources/shape_2d.cpp b/scene/resources/shape_2d.cpp index af84144591..413670d23e 100644 --- a/scene/resources/shape_2d.cpp +++ b/scene/resources/shape_2d.cpp @@ -124,5 +124,7 @@ Shape2D::Shape2D(const RID &p_rid) { } Shape2D::~Shape2D() { - PhysicsServer2D::get_singleton()->free(shape); + if (PhysicsServer2D::get_singleton() != nullptr) { + PhysicsServer2D::get_singleton()->free(shape); + } } diff --git a/scene/resources/shape_3d.cpp b/scene/resources/shape_3d.cpp index 4423c1d7bb..44f21d2a48 100644 --- a/scene/resources/shape_3d.cpp +++ b/scene/resources/shape_3d.cpp @@ -128,5 +128,7 @@ Shape3D::Shape3D(RID p_shape) : shape(p_shape) {} Shape3D::~Shape3D() { - PhysicsServer3D::get_singleton()->free(shape); + if (PhysicsServer3D::get_singleton() != nullptr) { + PhysicsServer3D::get_singleton()->free(shape); + } } |