599 lines
18 KiB
C++
599 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) 2007-2020 Juan Linietsky, Ariel Manzur. */
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/* Copyright (c) 2014-2020 Godot Engine contributors (cf. AUTHORS.md). */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "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 <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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if (p_what == 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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}
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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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Array Script::_get_script_property_list() {
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Array ret;
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List<PropertyInfo> list;
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get_script_property_list(&list);
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for (List<PropertyInfo>::Element *E = list.front(); E; E = E->next()) {
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ret.append(E->get().operator Dictionary());
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}
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return ret;
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}
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Array Script::_get_script_method_list() {
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Array ret;
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List<MethodInfo> list;
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get_script_method_list(&list);
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for (List<MethodInfo>::Element *E = list.front(); E; E = E->next()) {
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ret.append(E->get().operator Dictionary());
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}
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return ret;
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}
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Array Script::_get_script_signal_list() {
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Array ret;
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List<MethodInfo> list;
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get_script_signal_list(&list);
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for (List<MethodInfo>::Element *E = list.front(); E; E = E->next()) {
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ret.append(E->get().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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Map<StringName, Variant> map;
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get_constants(&map);
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for (Map<StringName, Variant>::Element *E = map.front(); E; E = E->next()) {
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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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void Script::_bind_methods() {
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ClassDB::bind_method(D_METHOD("can_instance"), &Script::can_instance);
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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, "", 0), "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_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(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 = ProjectSettings::get_singleton()->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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const StringName *K = nullptr;
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List<StringName> classes;
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while ((K = global_classes.next(K))) {
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classes.push_back(*K);
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}
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classes.sort_custom<StringName::AlphCompare>();
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for (List<StringName>::Element *E = classes.front(); E; E = E->next()) {
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r_global_classes->push_back(E->get());
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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 (List<StringName>::Element *E = gc.front(); E; E = E->next()) {
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Dictionary d;
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d["class"] = E->get();
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d["language"] = global_classes[E->get()].language;
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d["path"] = global_classes[E->get()].path;
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d["base"] = global_classes[E->get()].base;
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gcarr.push_back(d);
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}
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if (gcarr.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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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 (List<PropertyInfo>::Element *E = pinfo.front(); E; E = E->next()) {
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if (E->get().usage & PROPERTY_USAGE_STORAGE) {
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Pair<StringName, Variant> p;
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p.first = E->get().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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Variant ScriptInstance::call(const StringName &p_method, VARIANT_ARG_DECLARE) {
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VARIANT_ARGPTRS;
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int argc = 0;
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for (int i = 0; i < VARIANT_ARG_MAX; i++) {
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if (argptr[i]->get_type() == Variant::NIL) {
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break;
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}
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argc++;
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}
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Callable::CallError error;
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return call(p_method, argptr, argc, error);
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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("Plane");
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p_core_type_words->push_back("Quat");
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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("Transform");
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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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if (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 (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 List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
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p_properties->push_back(E->get());
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}
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} else {
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for (const List<PropertyInfo>::Element *E = properties.front(); E; E = E->next()) {
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PropertyInfo pinfo = E->get();
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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->get());
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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 {
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if (values.has(p_name)) {
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if (r_is_valid) {
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*r_is_valid = true;
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}
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return values[p_name].get_type();
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}
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if (constants.has(p_name)) {
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if (r_is_valid) {
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*r_is_valid = true;
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}
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return constants[p_name].get_type();
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}
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if (r_is_valid) {
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*r_is_valid = false;
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}
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return Variant::NIL;
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}
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void PlaceHolderScriptInstance::get_method_list(List<MethodInfo> *p_list) const {
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if (script->is_placeholder_fallback_enabled()) {
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return;
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}
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if (script.is_valid()) {
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script->get_script_method_list(p_list);
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}
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}
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bool PlaceHolderScriptInstance::has_method(const StringName &p_method) const {
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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 (script.is_valid()) {
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return script->has_method(p_method);
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}
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return false;
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}
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void PlaceHolderScriptInstance::update(const List<PropertyInfo> &p_properties, const Map<StringName, Variant> &p_values) {
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Set<StringName> new_values;
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for (const List<PropertyInfo>::Element *E = p_properties.front(); E; E = E->next()) {
|
|
StringName n = E->get().name;
|
|
new_values.insert(n);
|
|
|
|
if (!values.has(n) || values[n].get_type() != E->get().type) {
|
|
if (p_values.has(n)) {
|
|
values[n] = p_values[n];
|
|
}
|
|
}
|
|
}
|
|
|
|
properties = p_properties;
|
|
List<StringName> to_remove;
|
|
|
|
for (Map<StringName, Variant>::Element *E = values.front(); E; E = E->next()) {
|
|
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->get()) {
|
|
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->_change_notify();
|
|
}
|
|
//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()) {
|
|
Map<StringName, Variant>::Element *E = values.find(p_name);
|
|
|
|
if (E) {
|
|
E->value() = p_value;
|
|
} else {
|
|
values.insert(p_name, p_value);
|
|
}
|
|
|
|
bool found = false;
|
|
for (const List<PropertyInfo>::Element *F = properties.front(); F; F = F->next()) {
|
|
if (F->get().name == p_name) {
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
if (!found) {
|
|
properties.push_back(PropertyInfo(p_value.get_type(), p_name, PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | 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()) {
|
|
const Map<StringName, Variant>::Element *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();
|
|
}
|
|
|
|
uint16_t PlaceHolderScriptInstance::get_rpc_method_id(const StringName &p_method) const {
|
|
return UINT16_MAX;
|
|
}
|
|
|
|
uint16_t PlaceHolderScriptInstance::get_rset_property_id(const StringName &p_method) const {
|
|
return UINT16_MAX;
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|