d95794ec8a
As many open source projects have started doing it, we're removing the current year from the copyright notice, so that we don't need to bump it every year. It seems like only the first year of publication is technically relevant for copyright notices, and even that seems to be something that many companies stopped listing altogether (in a version controlled codebase, the commits are a much better source of date of publication than a hardcoded copyright statement). We also now list Godot Engine contributors first as we're collectively the current maintainers of the project, and we clarify that the "exclusive" copyright of the co-founders covers the timespan before opensourcing (their further contributions are included as part of Godot Engine contributors). Also fixed "cf." Frenchism - it's meant as "refer to / see".
623 lines
18 KiB
C++
623 lines
18 KiB
C++
/**************************************************************************/
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/* script_language.cpp */
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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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#include "script_language.h"
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#include "core/config/project_settings.h"
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#include "core/core_string_names.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/variant/typed_array.h"
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#include <stdint.h>
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ScriptLanguage *ScriptServer::_languages[MAX_LANGUAGES];
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int ScriptServer::_language_count = 0;
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bool ScriptServer::scripting_enabled = true;
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bool ScriptServer::reload_scripts_on_save = false;
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bool ScriptServer::languages_finished = false;
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ScriptEditRequestFunction ScriptServer::edit_request_func = nullptr;
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void Script::_notification(int p_what) {
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switch (p_what) {
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case NOTIFICATION_POSTINITIALIZE: {
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if (EngineDebugger::is_active()) {
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EngineDebugger::get_script_debugger()->set_break_language(get_language());
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}
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} break;
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}
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}
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Variant Script::_get_property_default_value(const StringName &p_property) {
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Variant ret;
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get_property_default_value(p_property, ret);
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return ret;
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}
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TypedArray<Dictionary> Script::_get_script_property_list() {
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TypedArray<Dictionary> ret;
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List<PropertyInfo> list;
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get_script_property_list(&list);
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for (const PropertyInfo &E : list) {
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ret.append(E.operator Dictionary());
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}
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return ret;
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}
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TypedArray<Dictionary> Script::_get_script_method_list() {
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TypedArray<Dictionary> ret;
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List<MethodInfo> list;
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get_script_method_list(&list);
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for (const MethodInfo &E : list) {
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ret.append(E.operator Dictionary());
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}
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return ret;
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}
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TypedArray<Dictionary> Script::_get_script_signal_list() {
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TypedArray<Dictionary> ret;
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List<MethodInfo> list;
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get_script_signal_list(&list);
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for (const MethodInfo &E : list) {
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ret.append(E.operator Dictionary());
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}
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return ret;
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}
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Dictionary Script::_get_script_constant_map() {
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Dictionary ret;
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HashMap<StringName, Variant> map;
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get_constants(&map);
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for (const KeyValue<StringName, Variant> &E : map) {
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ret[E.key] = E.value;
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}
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return ret;
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}
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#ifdef TOOLS_ENABLED
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PropertyInfo Script::get_class_category() const {
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String path = get_path();
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String scr_name;
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if (is_built_in()) {
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if (get_name().is_empty()) {
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scr_name = TTR("Built-in script");
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} else {
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scr_name = vformat("%s (%s)", get_name(), TTR("Built-in"));
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}
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} else {
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if (get_name().is_empty()) {
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scr_name = path.get_file();
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} else {
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scr_name = get_name();
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}
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}
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return PropertyInfo(Variant::NIL, scr_name, PROPERTY_HINT_NONE, path, PROPERTY_USAGE_CATEGORY);
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}
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#endif // TOOLS_ENABLED
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void Script::_bind_methods() {
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ClassDB::bind_method(D_METHOD("can_instantiate"), &Script::can_instantiate);
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//ClassDB::bind_method(D_METHOD("instance_create","base_object"),&Script::instance_create);
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ClassDB::bind_method(D_METHOD("instance_has", "base_object"), &Script::instance_has);
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ClassDB::bind_method(D_METHOD("has_source_code"), &Script::has_source_code);
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ClassDB::bind_method(D_METHOD("get_source_code"), &Script::get_source_code);
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ClassDB::bind_method(D_METHOD("set_source_code", "source"), &Script::set_source_code);
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ClassDB::bind_method(D_METHOD("reload", "keep_state"), &Script::reload, DEFVAL(false));
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ClassDB::bind_method(D_METHOD("get_base_script"), &Script::get_base_script);
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ClassDB::bind_method(D_METHOD("get_instance_base_type"), &Script::get_instance_base_type);
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ClassDB::bind_method(D_METHOD("has_script_signal", "signal_name"), &Script::has_script_signal);
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ClassDB::bind_method(D_METHOD("get_script_property_list"), &Script::_get_script_property_list);
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ClassDB::bind_method(D_METHOD("get_script_method_list"), &Script::_get_script_method_list);
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ClassDB::bind_method(D_METHOD("get_script_signal_list"), &Script::_get_script_signal_list);
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ClassDB::bind_method(D_METHOD("get_script_constant_map"), &Script::_get_script_constant_map);
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ClassDB::bind_method(D_METHOD("get_property_default_value", "property"), &Script::_get_property_default_value);
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ClassDB::bind_method(D_METHOD("is_tool"), &Script::is_tool);
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ADD_PROPERTY(PropertyInfo(Variant::STRING, "source_code", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NONE), "set_source_code", "get_source_code");
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}
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void ScriptServer::set_scripting_enabled(bool p_enabled) {
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scripting_enabled = p_enabled;
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}
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bool ScriptServer::is_scripting_enabled() {
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return scripting_enabled;
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}
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ScriptLanguage *ScriptServer::get_language(int p_idx) {
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ERR_FAIL_INDEX_V(p_idx, _language_count, nullptr);
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return _languages[p_idx];
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}
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void ScriptServer::register_language(ScriptLanguage *p_language) {
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ERR_FAIL_NULL(p_language);
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ERR_FAIL_COND(_language_count >= MAX_LANGUAGES);
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_languages[_language_count++] = p_language;
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}
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void ScriptServer::unregister_language(const ScriptLanguage *p_language) {
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for (int i = 0; i < _language_count; i++) {
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if (_languages[i] == p_language) {
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_language_count--;
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if (i < _language_count) {
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SWAP(_languages[i], _languages[_language_count]);
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}
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return;
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}
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}
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}
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void ScriptServer::init_languages() {
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{ // Load global classes.
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global_classes_clear();
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if (ProjectSettings::get_singleton()->has_setting("_global_script_classes")) {
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Array script_classes = GLOBAL_GET("_global_script_classes");
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for (int i = 0; i < script_classes.size(); i++) {
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Dictionary c = script_classes[i];
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if (!c.has("class") || !c.has("language") || !c.has("path") || !c.has("base")) {
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continue;
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}
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add_global_class(c["class"], c["base"], c["language"], c["path"]);
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}
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}
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}
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for (int i = 0; i < _language_count; i++) {
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_languages[i]->init();
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}
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}
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void ScriptServer::finish_languages() {
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for (int i = 0; i < _language_count; i++) {
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_languages[i]->finish();
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}
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global_classes_clear();
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languages_finished = true;
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}
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void ScriptServer::set_reload_scripts_on_save(bool p_enable) {
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reload_scripts_on_save = p_enable;
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}
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bool ScriptServer::is_reload_scripts_on_save_enabled() {
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return reload_scripts_on_save;
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}
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void ScriptServer::thread_enter() {
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for (int i = 0; i < _language_count; i++) {
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_languages[i]->thread_enter();
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}
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}
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void ScriptServer::thread_exit() {
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for (int i = 0; i < _language_count; i++) {
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_languages[i]->thread_exit();
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}
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}
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HashMap<StringName, ScriptServer::GlobalScriptClass> ScriptServer::global_classes;
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void ScriptServer::global_classes_clear() {
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global_classes.clear();
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}
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void ScriptServer::add_global_class(const StringName &p_class, const StringName &p_base, const StringName &p_language, const String &p_path) {
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ERR_FAIL_COND_MSG(p_class == p_base || (global_classes.has(p_base) && get_global_class_native_base(p_base) == p_class), "Cyclic inheritance in script class.");
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GlobalScriptClass g;
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g.language = p_language;
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g.path = p_path;
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g.base = p_base;
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global_classes[p_class] = g;
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}
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void ScriptServer::remove_global_class(const StringName &p_class) {
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global_classes.erase(p_class);
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}
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bool ScriptServer::is_global_class(const StringName &p_class) {
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return global_classes.has(p_class);
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}
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StringName ScriptServer::get_global_class_language(const StringName &p_class) {
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ERR_FAIL_COND_V(!global_classes.has(p_class), StringName());
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return global_classes[p_class].language;
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}
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String ScriptServer::get_global_class_path(const String &p_class) {
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ERR_FAIL_COND_V(!global_classes.has(p_class), String());
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return global_classes[p_class].path;
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}
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StringName ScriptServer::get_global_class_base(const String &p_class) {
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ERR_FAIL_COND_V(!global_classes.has(p_class), String());
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return global_classes[p_class].base;
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}
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StringName ScriptServer::get_global_class_native_base(const String &p_class) {
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ERR_FAIL_COND_V(!global_classes.has(p_class), String());
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String base = global_classes[p_class].base;
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while (global_classes.has(base)) {
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base = global_classes[base].base;
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}
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return base;
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}
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void ScriptServer::get_global_class_list(List<StringName> *r_global_classes) {
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List<StringName> classes;
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for (const KeyValue<StringName, GlobalScriptClass> &E : global_classes) {
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classes.push_back(E.key);
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}
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classes.sort_custom<StringName::AlphCompare>();
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for (const StringName &E : classes) {
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r_global_classes->push_back(E);
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}
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}
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void ScriptServer::save_global_classes() {
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List<StringName> gc;
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get_global_class_list(&gc);
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Array gcarr;
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for (const StringName &E : gc) {
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Dictionary d;
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d["class"] = E;
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d["language"] = global_classes[E].language;
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d["path"] = global_classes[E].path;
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d["base"] = global_classes[E].base;
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gcarr.push_back(d);
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}
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Array old;
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if (ProjectSettings::get_singleton()->has_setting("_global_script_classes")) {
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old = GLOBAL_GET("_global_script_classes");
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}
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if ((!old.is_empty() || gcarr.is_empty()) && gcarr.hash() == old.hash()) {
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return;
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}
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if (gcarr.is_empty()) {
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if (ProjectSettings::get_singleton()->has_setting("_global_script_classes")) {
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ProjectSettings::get_singleton()->clear("_global_script_classes");
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}
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} else {
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ProjectSettings::get_singleton()->set("_global_script_classes", gcarr);
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}
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ProjectSettings::get_singleton()->save();
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}
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////////////////////
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Variant ScriptInstance::call_const(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
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return callp(p_method, p_args, p_argcount, r_error);
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}
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void ScriptInstance::get_property_state(List<Pair<StringName, Variant>> &state) {
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List<PropertyInfo> pinfo;
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get_property_list(&pinfo);
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for (const PropertyInfo &E : pinfo) {
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if (E.usage & PROPERTY_USAGE_STORAGE) {
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Pair<StringName, Variant> p;
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p.first = E.name;
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if (get(p.first, p.second)) {
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state.push_back(p);
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}
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}
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}
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}
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void ScriptInstance::property_set_fallback(const StringName &, const Variant &, bool *r_valid) {
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if (r_valid) {
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*r_valid = false;
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}
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}
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Variant ScriptInstance::property_get_fallback(const StringName &, bool *r_valid) {
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if (r_valid) {
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*r_valid = false;
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}
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return Variant();
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}
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ScriptInstance::~ScriptInstance() {
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}
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ScriptCodeCompletionCache *ScriptCodeCompletionCache::singleton = nullptr;
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ScriptCodeCompletionCache::ScriptCodeCompletionCache() {
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singleton = this;
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}
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void ScriptLanguage::get_core_type_words(List<String> *p_core_type_words) const {
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p_core_type_words->push_back("String");
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p_core_type_words->push_back("Vector2");
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p_core_type_words->push_back("Vector2i");
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p_core_type_words->push_back("Rect2");
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p_core_type_words->push_back("Rect2i");
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p_core_type_words->push_back("Vector3");
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p_core_type_words->push_back("Vector3i");
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p_core_type_words->push_back("Transform2D");
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p_core_type_words->push_back("Vector4");
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p_core_type_words->push_back("Vector4i");
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p_core_type_words->push_back("Plane");
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p_core_type_words->push_back("Quaternion");
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p_core_type_words->push_back("AABB");
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p_core_type_words->push_back("Basis");
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p_core_type_words->push_back("Transform3D");
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p_core_type_words->push_back("Projection");
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p_core_type_words->push_back("Color");
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p_core_type_words->push_back("StringName");
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p_core_type_words->push_back("NodePath");
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p_core_type_words->push_back("RID");
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p_core_type_words->push_back("Callable");
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p_core_type_words->push_back("Signal");
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p_core_type_words->push_back("Dictionary");
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p_core_type_words->push_back("Array");
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p_core_type_words->push_back("PackedByteArray");
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p_core_type_words->push_back("PackedInt32Array");
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p_core_type_words->push_back("PackedInt64Array");
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p_core_type_words->push_back("PackedFloat32Array");
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p_core_type_words->push_back("PackedFloat64Array");
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p_core_type_words->push_back("PackedStringArray");
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p_core_type_words->push_back("PackedVector2Array");
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p_core_type_words->push_back("PackedVector3Array");
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p_core_type_words->push_back("PackedColorArray");
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}
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void ScriptLanguage::frame() {
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}
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bool PlaceHolderScriptInstance::set(const StringName &p_name, const Variant &p_value) {
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if (script->is_placeholder_fallback_enabled()) {
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return false;
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}
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if (values.has(p_name)) {
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Variant defval;
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if (script->get_property_default_value(p_name, defval)) {
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// The evaluate function ensures that a NIL variant is equal to e.g. an empty Resource.
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// Simply doing defval == p_value does not do this.
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if (Variant::evaluate(Variant::OP_EQUAL, defval, p_value)) {
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values.erase(p_name);
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return true;
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}
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}
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values[p_name] = p_value;
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return true;
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} else {
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Variant defval;
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if (script->get_property_default_value(p_name, defval)) {
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if (Variant::evaluate(Variant::OP_NOT_EQUAL, defval, p_value)) {
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values[p_name] = p_value;
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}
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return true;
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}
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}
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return false;
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}
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bool PlaceHolderScriptInstance::get(const StringName &p_name, Variant &r_ret) const {
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if (values.has(p_name)) {
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r_ret = values[p_name];
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return true;
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}
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if (constants.has(p_name)) {
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r_ret = constants[p_name];
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return true;
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}
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if (!script->is_placeholder_fallback_enabled()) {
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Variant defval;
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if (script->get_property_default_value(p_name, defval)) {
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r_ret = defval;
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return true;
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}
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}
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return false;
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}
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void PlaceHolderScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
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if (script->is_placeholder_fallback_enabled()) {
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for (const PropertyInfo &E : properties) {
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p_properties->push_back(E);
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}
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} else {
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for (const PropertyInfo &E : properties) {
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PropertyInfo pinfo = E;
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if (!values.has(pinfo.name)) {
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pinfo.usage |= PROPERTY_USAGE_SCRIPT_DEFAULT_VALUE;
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}
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p_properties->push_back(E);
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}
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}
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}
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Variant::Type PlaceHolderScriptInstance::get_property_type(const StringName &p_name, bool *r_is_valid) const {
|
|
if (values.has(p_name)) {
|
|
if (r_is_valid) {
|
|
*r_is_valid = true;
|
|
}
|
|
return values[p_name].get_type();
|
|
}
|
|
|
|
if (constants.has(p_name)) {
|
|
if (r_is_valid) {
|
|
*r_is_valid = true;
|
|
}
|
|
return constants[p_name].get_type();
|
|
}
|
|
|
|
if (r_is_valid) {
|
|
*r_is_valid = false;
|
|
}
|
|
|
|
return Variant::NIL;
|
|
}
|
|
|
|
void PlaceHolderScriptInstance::get_method_list(List<MethodInfo> *p_list) const {
|
|
if (script->is_placeholder_fallback_enabled()) {
|
|
return;
|
|
}
|
|
|
|
if (script.is_valid()) {
|
|
script->get_script_method_list(p_list);
|
|
}
|
|
}
|
|
|
|
bool PlaceHolderScriptInstance::has_method(const StringName &p_method) const {
|
|
if (script->is_placeholder_fallback_enabled()) {
|
|
return false;
|
|
}
|
|
|
|
if (script.is_valid()) {
|
|
return script->has_method(p_method);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, const HashMap<StringName, Variant> &p_values) {
|
|
HashSet<StringName> new_values;
|
|
for (const PropertyInfo &E : p_properties) {
|
|
StringName n = E.name;
|
|
new_values.insert(n);
|
|
|
|
if (!values.has(n) || values[n].get_type() != E.type) {
|
|
if (p_values.has(n)) {
|
|
values[n] = p_values[n];
|
|
}
|
|
}
|
|
}
|
|
|
|
properties = p_properties;
|
|
List<StringName> to_remove;
|
|
|
|
for (KeyValue<StringName, Variant> &E : values) {
|
|
if (!new_values.has(E.key)) {
|
|
to_remove.push_back(E.key);
|
|
}
|
|
|
|
Variant defval;
|
|
if (script->get_property_default_value(E.key, defval)) {
|
|
//remove because it's the same as the default value
|
|
if (defval == E.value) {
|
|
to_remove.push_back(E.key);
|
|
}
|
|
}
|
|
}
|
|
|
|
while (to_remove.size()) {
|
|
values.erase(to_remove.front()->get());
|
|
to_remove.pop_front();
|
|
}
|
|
|
|
if (owner && owner->get_script_instance() == this) {
|
|
owner->notify_property_list_changed();
|
|
}
|
|
//change notify
|
|
|
|
constants.clear();
|
|
script->get_constants(&constants);
|
|
}
|
|
|
|
void PlaceHolderScriptInstance::property_set_fallback(const StringName &p_name, const Variant &p_value, bool *r_valid) {
|
|
if (script->is_placeholder_fallback_enabled()) {
|
|
HashMap<StringName, Variant>::Iterator E = values.find(p_name);
|
|
|
|
if (E) {
|
|
E->value = p_value;
|
|
} else {
|
|
values.insert(p_name, p_value);
|
|
}
|
|
|
|
bool found = false;
|
|
for (const PropertyInfo &F : properties) {
|
|
if (F.name == p_name) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
properties.push_back(PropertyInfo(p_value.get_type(), p_name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_SCRIPT_VARIABLE));
|
|
}
|
|
}
|
|
|
|
if (r_valid) {
|
|
*r_valid = false; // Cannot change the value in either case
|
|
}
|
|
}
|
|
|
|
Variant PlaceHolderScriptInstance::property_get_fallback(const StringName &p_name, bool *r_valid) {
|
|
if (script->is_placeholder_fallback_enabled()) {
|
|
HashMap<StringName, Variant>::ConstIterator E = values.find(p_name);
|
|
|
|
if (E) {
|
|
if (r_valid) {
|
|
*r_valid = true;
|
|
}
|
|
return E->value;
|
|
}
|
|
|
|
E = constants.find(p_name);
|
|
if (E) {
|
|
if (r_valid) {
|
|
*r_valid = true;
|
|
}
|
|
return E->value;
|
|
}
|
|
}
|
|
|
|
if (r_valid) {
|
|
*r_valid = false;
|
|
}
|
|
|
|
return Variant();
|
|
}
|
|
|
|
PlaceHolderScriptInstance::PlaceHolderScriptInstance(ScriptLanguage *p_language, Ref<Script> p_script, Object *p_owner) :
|
|
owner(p_owner),
|
|
language(p_language),
|
|
script(p_script) {
|
|
}
|
|
|
|
PlaceHolderScriptInstance::~PlaceHolderScriptInstance() {
|
|
if (script.is_valid()) {
|
|
script->_placeholder_erased(this);
|
|
}
|
|
}
|