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godot/modules/gdscript/gdscript.cpp
Thaddeus Crews f09ee0171a
Style: Begin integrating simple .clangd fixes
2025-03-22 13:24:35 -05:00

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/**************************************************************************/
/* gdscript.cpp */
/**************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/**************************************************************************/
/* Copyright (c) 2014-present Godot Engine contributors (see AUTHORS.md). */
/* Copyright (c) 2007-2014 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. */
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/**************************************************************************/
#include "gdscript.h"
#include "gdscript_analyzer.h"
#include "gdscript_cache.h"
#include "gdscript_compiler.h"
#include "gdscript_parser.h"
#include "gdscript_rpc_callable.h"
#include "gdscript_tokenizer_buffer.h"
#include "gdscript_warning.h"
#ifdef TOOLS_ENABLED
#include "editor/gdscript_docgen.h"
#endif
#ifdef TESTS_ENABLED
#include "tests/gdscript_test_runner.h"
#endif
#include "core/config/engine.h"
#include "core/config/project_settings.h"
#include "core/core_constants.h"
#include "core/io/file_access.h"
#include "scene/resources/packed_scene.h"
#include "scene/scene_string_names.h"
#ifdef TOOLS_ENABLED
#include "core/extension/gdextension_manager.h"
#include "editor/editor_paths.h"
#endif
///////////////////////////
GDScriptNativeClass::GDScriptNativeClass(const StringName &p_name) {
name = p_name;
}
bool GDScriptNativeClass::_get(const StringName &p_name, Variant &r_ret) const {
bool ok;
int64_t v = ClassDB::get_integer_constant(name, p_name, &ok);
if (ok) {
r_ret = v;
return true;
}
MethodBind *method = ClassDB::get_method(name, p_name);
if (method && method->is_static()) {
// Native static method.
r_ret = Callable(this, p_name);
return true;
}
return false;
}
void GDScriptNativeClass::_bind_methods() {
ClassDB::bind_method(D_METHOD("new"), &GDScriptNativeClass::_new);
}
Variant GDScriptNativeClass::_new() {
Object *o = instantiate();
ERR_FAIL_NULL_V_MSG(o, Variant(), "Class type: '" + String(name) + "' is not instantiable.");
RefCounted *rc = Object::cast_to<RefCounted>(o);
if (rc) {
return Ref<RefCounted>(rc);
} else {
return o;
}
}
Object *GDScriptNativeClass::instantiate() {
return ClassDB::instantiate_no_placeholders(name);
}
Variant GDScriptNativeClass::callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
if (p_method == SNAME("new")) {
// Constructor.
return Object::callp(p_method, p_args, p_argcount, r_error);
}
MethodBind *method = ClassDB::get_method(name, p_method);
if (method && method->is_static()) {
// Native static method.
return method->call(nullptr, p_args, p_argcount, r_error);
}
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
return Variant();
}
GDScriptFunction *GDScript::_super_constructor(GDScript *p_script) {
if (likely(p_script->valid) && p_script->initializer) {
return p_script->initializer;
} else {
GDScript *base_src = p_script->_base;
if (base_src != nullptr) {
return _super_constructor(base_src);
} else {
return nullptr;
}
}
}
void GDScript::_super_implicit_constructor(GDScript *p_script, GDScriptInstance *p_instance, Callable::CallError &r_error) {
GDScript *base_src = p_script->_base;
if (base_src != nullptr) {
_super_implicit_constructor(base_src, p_instance, r_error);
if (r_error.error != Callable::CallError::CALL_OK) {
return;
}
}
ERR_FAIL_NULL(p_script->implicit_initializer);
if (likely(p_script->valid)) {
p_script->implicit_initializer->call(p_instance, nullptr, 0, r_error);
} else {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
}
}
GDScriptInstance *GDScript::_create_instance(const Variant **p_args, int p_argcount, Object *p_owner, bool p_is_ref_counted, Callable::CallError &r_error) {
/* STEP 1, CREATE */
GDScriptInstance *instance = memnew(GDScriptInstance);
instance->base_ref_counted = p_is_ref_counted;
instance->members.resize(member_indices.size());
instance->script = Ref<GDScript>(this);
instance->owner = p_owner;
instance->owner_id = p_owner->get_instance_id();
#ifdef DEBUG_ENABLED
//needed for hot reloading
for (const KeyValue<StringName, MemberInfo> &E : member_indices) {
instance->member_indices_cache[E.key] = E.value.index;
}
#endif
instance->owner->set_script_instance(instance);
/* STEP 2, INITIALIZE AND CONSTRUCT */
{
MutexLock lock(GDScriptLanguage::singleton->mutex);
instances.insert(instance->owner);
}
_super_implicit_constructor(this, instance, r_error);
if (r_error.error != Callable::CallError::CALL_OK) {
String error_text = Variant::get_call_error_text(instance->owner, "@implicit_new", nullptr, 0, r_error);
instance->script = Ref<GDScript>();
instance->owner->set_script_instance(nullptr);
{
MutexLock lock(GDScriptLanguage::singleton->mutex);
instances.erase(p_owner);
}
ERR_FAIL_V_MSG(nullptr, "Error constructing a GDScriptInstance: " + error_text);
}
if (p_argcount < 0) {
return instance;
}
initializer = _super_constructor(this);
if (initializer != nullptr) {
initializer->call(instance, p_args, p_argcount, r_error);
if (r_error.error != Callable::CallError::CALL_OK) {
String error_text = Variant::get_call_error_text(instance->owner, "_init", p_args, p_argcount, r_error);
instance->script = Ref<GDScript>();
instance->owner->set_script_instance(nullptr);
{
MutexLock lock(GDScriptLanguage::singleton->mutex);
instances.erase(p_owner);
}
ERR_FAIL_V_MSG(nullptr, "Error constructing a GDScriptInstance: " + error_text);
}
}
//@TODO make thread safe
return instance;
}
Variant GDScript::_new(const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
/* STEP 1, CREATE */
if (!valid) {
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
return Variant();
}
r_error.error = Callable::CallError::CALL_OK;
Ref<RefCounted> ref;
Object *owner = nullptr;
GDScript *_baseptr = this;
while (_baseptr->_base) {
_baseptr = _baseptr->_base;
}
ERR_FAIL_COND_V(_baseptr->native.is_null(), Variant());
if (_baseptr->native.ptr()) {
owner = _baseptr->native->instantiate();
} else {
owner = memnew(RefCounted); //by default, no base means use reference
}
ERR_FAIL_NULL_V_MSG(owner, Variant(), "Can't inherit from a virtual class.");
RefCounted *r = Object::cast_to<RefCounted>(owner);
if (r) {
ref = Ref<RefCounted>(r);
}
GDScriptInstance *instance = _create_instance(p_args, p_argcount, owner, r != nullptr, r_error);
if (!instance) {
if (ref.is_null()) {
memdelete(owner); //no owner, sorry
}
return Variant();
}
if (ref.is_valid()) {
return ref;
} else {
return owner;
}
}
bool GDScript::can_instantiate() const {
#ifdef TOOLS_ENABLED
return valid && (tool || ScriptServer::is_scripting_enabled()) && !Engine::get_singleton()->is_recovery_mode_hint();
#else
return valid;
#endif
}
Ref<Script> GDScript::get_base_script() const {
if (_base) {
return Ref<GDScript>(_base);
} else {
return Ref<Script>();
}
}
StringName GDScript::get_global_name() const {
return global_name;
}
StringName GDScript::get_instance_base_type() const {
if (native.is_valid()) {
return native->get_name();
}
if (base.is_valid() && base->is_valid()) {
return base->get_instance_base_type();
}
return StringName();
}
struct _GDScriptMemberSort {
int index = 0;
StringName name;
_FORCE_INLINE_ bool operator<(const _GDScriptMemberSort &p_member) const { return index < p_member.index; }
};
#ifdef TOOLS_ENABLED
void GDScript::_placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {
placeholders.erase(p_placeholder);
}
#endif
void GDScript::_get_script_method_list(List<MethodInfo> *r_list, bool p_include_base) const {
const GDScript *current = this;
while (current) {
for (const KeyValue<StringName, GDScriptFunction *> &E : current->member_functions) {
r_list->push_back(E.value->get_method_info());
}
if (!p_include_base) {
return;
}
current = current->_base;
}
}
void GDScript::get_script_method_list(List<MethodInfo> *r_list) const {
_get_script_method_list(r_list, true);
}
void GDScript::_get_script_property_list(List<PropertyInfo> *r_list, bool p_include_base) const {
const GDScript *sptr = this;
List<PropertyInfo> props;
while (sptr) {
Vector<_GDScriptMemberSort> msort;
for (const KeyValue<StringName, MemberInfo> &E : sptr->member_indices) {
if (!sptr->members.has(E.key)) {
continue; // Skip base class members.
}
_GDScriptMemberSort ms;
ms.index = E.value.index;
ms.name = E.key;
msort.push_back(ms);
}
msort.sort();
msort.reverse();
for (int i = 0; i < msort.size(); i++) {
props.push_front(sptr->member_indices[msort[i].name].property_info);
}
#ifdef TOOLS_ENABLED
r_list->push_back(sptr->get_class_category());
#endif // TOOLS_ENABLED
for (const PropertyInfo &E : props) {
r_list->push_back(E);
}
if (!p_include_base) {
break;
}
props.clear();
sptr = sptr->_base;
}
}
void GDScript::get_script_property_list(List<PropertyInfo> *r_list) const {
_get_script_property_list(r_list, true);
}
bool GDScript::has_method(const StringName &p_method) const {
return member_functions.has(p_method);
}
bool GDScript::has_static_method(const StringName &p_method) const {
return member_functions.has(p_method) && member_functions[p_method]->is_static();
}
int GDScript::get_script_method_argument_count(const StringName &p_method, bool *r_is_valid) const {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = member_functions.find(p_method);
if (!E) {
if (r_is_valid) {
*r_is_valid = false;
}
return 0;
}
if (r_is_valid) {
*r_is_valid = true;
}
return E->value->get_argument_count();
}
MethodInfo GDScript::get_method_info(const StringName &p_method) const {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = member_functions.find(p_method);
if (!E) {
return MethodInfo();
}
return E->value->get_method_info();
}
bool GDScript::get_property_default_value(const StringName &p_property, Variant &r_value) const {
#ifdef TOOLS_ENABLED
HashMap<StringName, Variant>::ConstIterator E = member_default_values_cache.find(p_property);
if (E) {
r_value = E->value;
return true;
}
if (base_cache.is_valid()) {
return base_cache->get_property_default_value(p_property, r_value);
}
#endif
return false;
}
ScriptInstance *GDScript::instance_create(Object *p_this) {
ERR_FAIL_COND_V_MSG(!valid, nullptr, "Script is invalid!");
GDScript *top = this;
while (top->_base) {
top = top->_base;
}
if (top->native.is_valid()) {
if (!ClassDB::is_parent_class(p_this->get_class_name(), top->native->get_name())) {
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->debug_break_parse(_get_debug_path(), 1, "Script inherits from native type '" + String(top->native->get_name()) + "', so it can't be assigned to an object of type: '" + p_this->get_class() + "'");
}
ERR_FAIL_V_MSG(nullptr, "Script inherits from native type '" + String(top->native->get_name()) + "', so it can't be assigned to an object of type '" + p_this->get_class() + "'" + ".");
}
}
Callable::CallError unchecked_error;
return _create_instance(nullptr, 0, p_this, Object::cast_to<RefCounted>(p_this) != nullptr, unchecked_error);
}
PlaceHolderScriptInstance *GDScript::placeholder_instance_create(Object *p_this) {
#ifdef TOOLS_ENABLED
PlaceHolderScriptInstance *si = memnew(PlaceHolderScriptInstance(GDScriptLanguage::get_singleton(), Ref<Script>(this), p_this));
placeholders.insert(si);
_update_exports(nullptr, false, si);
return si;
#else
return nullptr;
#endif
}
bool GDScript::instance_has(const Object *p_this) const {
MutexLock lock(GDScriptLanguage::singleton->mutex);
return instances.has((Object *)p_this);
}
bool GDScript::has_source_code() const {
return !source.is_empty();
}
String GDScript::get_source_code() const {
return source;
}
void GDScript::set_source_code(const String &p_code) {
if (source == p_code) {
return;
}
source = p_code;
#ifdef TOOLS_ENABLED
source_changed_cache = true;
#endif
}
#ifdef TOOLS_ENABLED
void GDScript::_update_exports_values(HashMap<StringName, Variant> &values, List<PropertyInfo> &propnames) {
for (const KeyValue<StringName, Variant> &E : member_default_values_cache) {
values[E.key] = E.value;
}
for (const PropertyInfo &E : members_cache) {
propnames.push_back(E);
}
if (base_cache.is_valid()) {
base_cache->_update_exports_values(values, propnames);
}
}
void GDScript::_add_doc(const DocData::ClassDoc &p_doc) {
doc_class_name = p_doc.name;
if (_owner) { // Only the top-level class stores doc info.
_owner->_add_doc(p_doc);
} else { // Remove old docs, add new.
for (int i = 0; i < docs.size(); i++) {
if (docs[i].name == p_doc.name) {
docs.remove_at(i);
break;
}
}
docs.append(p_doc);
}
}
void GDScript::_clear_doc() {
doc_class_name = StringName();
doc = DocData::ClassDoc();
docs.clear();
}
String GDScript::get_class_icon_path() const {
return simplified_icon_path;
}
#endif
bool GDScript::_update_exports(bool *r_err, bool p_recursive_call, PlaceHolderScriptInstance *p_instance_to_update, bool p_base_exports_changed) {
#ifdef TOOLS_ENABLED
static Vector<GDScript *> base_caches;
if (!p_recursive_call) {
base_caches.clear();
}
base_caches.append(this);
bool changed = p_base_exports_changed;
if (source_changed_cache) {
source_changed_cache = false;
changed = true;
String basedir = path;
if (basedir.is_empty()) {
basedir = get_path();
}
if (!basedir.is_empty()) {
basedir = basedir.get_base_dir();
}
GDScriptParser parser;
GDScriptAnalyzer analyzer(&parser);
Error err = parser.parse(source, path, false);
if (err == OK && analyzer.analyze() == OK) {
const GDScriptParser::ClassNode *c = parser.get_tree();
if (base_cache.is_valid()) {
base_cache->inheriters_cache.erase(get_instance_id());
base_cache = Ref<GDScript>();
}
GDScriptParser::DataType base_type = parser.get_tree()->base_type;
if (base_type.kind == GDScriptParser::DataType::CLASS) {
Ref<GDScript> bf = GDScriptCache::get_full_script(base_type.script_path, err, path);
if (err == OK) {
bf = Ref<GDScript>(bf->find_class(base_type.class_type->fqcn));
if (bf.is_valid()) {
base_cache = bf;
bf->inheriters_cache.insert(get_instance_id());
}
}
}
members_cache.clear();
member_default_values_cache.clear();
_signals.clear();
members_cache.push_back(get_class_category());
for (int i = 0; i < c->members.size(); i++) {
const GDScriptParser::ClassNode::Member &member = c->members[i];
switch (member.type) {
case GDScriptParser::ClassNode::Member::VARIABLE: {
if (!member.variable->exported) {
continue;
}
members_cache.push_back(member.variable->export_info);
Variant default_value = analyzer.make_variable_default_value(member.variable);
member_default_values_cache[member.variable->identifier->name] = default_value;
} break;
case GDScriptParser::ClassNode::Member::SIGNAL: {
_signals[member.signal->identifier->name] = member.signal->method_info;
} break;
case GDScriptParser::ClassNode::Member::GROUP: {
members_cache.push_back(member.annotation->export_info);
} break;
default:
break; // Nothing.
}
}
} else {
placeholder_fallback_enabled = true;
return false;
}
} else if (placeholder_fallback_enabled) {
return false;
}
placeholder_fallback_enabled = false;
if (base_cache.is_valid() && base_cache->is_valid()) {
for (int i = 0; i < base_caches.size(); i++) {
if (base_caches[i] == base_cache.ptr()) {
if (r_err) {
*r_err = true;
}
valid = false; // to show error in the editor
base_cache->valid = false;
base_cache->inheriters_cache.clear(); // to prevent future stackoverflows
base_cache.unref();
base.unref();
_base = nullptr;
ERR_FAIL_V_MSG(false, "Cyclic inheritance in script class.");
}
}
if (base_cache->_update_exports(r_err, true)) {
if (r_err && *r_err) {
return false;
}
changed = true;
}
}
if ((changed || p_instance_to_update) && placeholders.size()) { //hm :(
// update placeholders if any
HashMap<StringName, Variant> values;
List<PropertyInfo> propnames;
_update_exports_values(values, propnames);
if (changed) {
for (PlaceHolderScriptInstance *E : placeholders) {
E->update(propnames, values);
}
} else {
p_instance_to_update->update(propnames, values);
}
}
return changed;
#else
return false;
#endif
}
void GDScript::update_exports() {
#ifdef TOOLS_ENABLED
_update_exports_down(false);
#endif
}
#ifdef TOOLS_ENABLED
void GDScript::_update_exports_down(bool p_base_exports_changed) {
bool cyclic_error = false;
bool changed = _update_exports(&cyclic_error, false, nullptr, p_base_exports_changed);
if (cyclic_error) {
return;
}
HashSet<ObjectID> copy = inheriters_cache; //might get modified
for (const ObjectID &E : copy) {
Object *id = ObjectDB::get_instance(E);
GDScript *s = Object::cast_to<GDScript>(id);
if (!s) {
continue;
}
s->_update_exports_down(p_base_exports_changed || changed);
}
}
#endif
String GDScript::_get_debug_path() const {
if (is_built_in() && !get_name().is_empty()) {
return vformat("%s(%s)", get_name(), get_script_path());
} else {
return get_script_path();
}
}
Error GDScript::_static_init() {
if (likely(valid) && static_initializer) {
Callable::CallError call_err;
static_initializer->call(nullptr, nullptr, 0, call_err);
if (call_err.error != Callable::CallError::CALL_OK) {
return ERR_CANT_CREATE;
}
}
Error err = OK;
for (KeyValue<StringName, Ref<GDScript>> &inner : subclasses) {
err = inner.value->_static_init();
if (err) {
break;
}
}
return err;
}
void GDScript::_static_default_init() {
for (const KeyValue<StringName, MemberInfo> &E : static_variables_indices) {
const GDScriptDataType &type = E.value.data_type;
// Only initialize builtin types, which are not expected to be `null`.
if (!type.has_type || type.kind != GDScriptDataType::BUILTIN) {
continue;
}
if (type.builtin_type == Variant::ARRAY && type.has_container_element_type(0)) {
const GDScriptDataType element_type = type.get_container_element_type(0);
Array default_value;
default_value.set_typed(element_type.builtin_type, element_type.native_type, element_type.script_type);
static_variables.write[E.value.index] = default_value;
} else if (type.builtin_type == Variant::DICTIONARY && type.has_container_element_types()) {
const GDScriptDataType key_type = type.get_container_element_type_or_variant(0);
const GDScriptDataType value_type = type.get_container_element_type_or_variant(1);
Dictionary default_value;
default_value.set_typed(key_type.builtin_type, key_type.native_type, key_type.script_type, value_type.builtin_type, value_type.native_type, value_type.script_type);
static_variables.write[E.value.index] = default_value;
} else {
Variant default_value;
Callable::CallError err;
Variant::construct(type.builtin_type, default_value, nullptr, 0, err);
static_variables.write[E.value.index] = default_value;
}
}
}
#ifdef TOOLS_ENABLED
void GDScript::_save_old_static_data() {
old_static_variables_indices = static_variables_indices;
old_static_variables = static_variables;
for (KeyValue<StringName, Ref<GDScript>> &inner : subclasses) {
inner.value->_save_old_static_data();
}
}
void GDScript::_restore_old_static_data() {
for (KeyValue<StringName, MemberInfo> &E : old_static_variables_indices) {
if (static_variables_indices.has(E.key)) {
static_variables.write[static_variables_indices[E.key].index] = old_static_variables[E.value.index];
}
}
old_static_variables_indices.clear();
old_static_variables.clear();
for (KeyValue<StringName, Ref<GDScript>> &inner : subclasses) {
inner.value->_restore_old_static_data();
}
}
#endif
Error GDScript::reload(bool p_keep_state) {
if (reloading) {
return OK;
}
reloading = true;
bool has_instances;
{
MutexLock lock(GDScriptLanguage::singleton->mutex);
has_instances = instances.size();
}
ERR_FAIL_COND_V(!p_keep_state && has_instances, ERR_ALREADY_IN_USE);
String basedir = path;
if (basedir.is_empty()) {
basedir = get_path();
}
if (!basedir.is_empty()) {
basedir = basedir.get_base_dir();
}
// 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
{
String source_path = path;
if (source_path.is_empty()) {
source_path = get_path();
}
if (!source_path.is_empty()) {
if (GDScriptCache::get_cached_script(source_path).is_null()) {
MutexLock lock(GDScriptCache::singleton->mutex);
GDScriptCache::singleton->shallow_gdscript_cache[source_path] = Ref<GDScript>(this);
}
if (GDScriptCache::has_parser(source_path)) {
Error err = OK;
Ref<GDScriptParserRef> parser_ref = GDScriptCache::get_parser(source_path, GDScriptParserRef::EMPTY, err);
if (parser_ref.is_valid()) {
uint32_t source_hash;
if (!binary_tokens.is_empty()) {
source_hash = hash_djb2_buffer(binary_tokens.ptr(), binary_tokens.size());
} else {
source_hash = source.hash();
}
if (parser_ref->get_source_hash() != source_hash) {
GDScriptCache::remove_parser(source_path);
}
}
}
}
}
bool can_run = ScriptServer::is_scripting_enabled() || is_tool();
#ifdef TOOLS_ENABLED
if (p_keep_state && can_run && is_valid()) {
_save_old_static_data();
}
#endif
valid = false;
GDScriptParser parser;
Error err;
if (!binary_tokens.is_empty()) {
err = parser.parse_binary(binary_tokens, path);
} else {
err = parser.parse(source, path, false);
}
if (err) {
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->debug_break_parse(_get_debug_path(), parser.get_errors().front()->get().line, "Parser Error: " + parser.get_errors().front()->get().message);
}
// 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;
}
GDScriptAnalyzer analyzer(&parser);
err = analyzer.analyze();
if (err) {
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->debug_break_parse(_get_debug_path(), parser.get_errors().front()->get().line, "Parser Error: " + parser.get_errors().front()->get().message);
}
const List<GDScriptParser::ParserError>::Element *e = parser.get_errors().front();
while (e != nullptr) {
_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;
}
can_run = ScriptServer::is_scripting_enabled() || parser.is_tool();
GDScriptCompiler compiler;
err = compiler.compile(&parser, this, p_keep_state);
if (err) {
_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);
if (can_run) {
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->debug_break_parse(_get_debug_path(), compiler.get_error_line(), "Parser Error: " + compiler.get_error());
}
reloading = false;
return ERR_COMPILATION_FAILED;
} else {
reloading = false;
return err;
}
}
#ifdef TOOLS_ENABLED
// Done after compilation because it needs the GDScript object's inner class GDScript objects,
// which are made by calling make_scripts() within compiler.compile() above.
GDScriptDocGen::generate_docs(this, parser.get_tree());
#endif
#ifdef DEBUG_ENABLED
for (const GDScriptWarning &warning : parser.get_warnings()) {
if (EngineDebugger::is_active()) {
Vector<ScriptLanguage::StackInfo> si;
EngineDebugger::get_script_debugger()->send_error("", get_script_path(), warning.start_line, warning.get_name(), warning.get_message(), false, ERR_HANDLER_WARNING, si);
}
}
#endif
if (can_run) {
err = _static_init();
if (err) {
return err;
}
}
#ifdef TOOLS_ENABLED
if (can_run && p_keep_state) {
_restore_old_static_data();
}
if (p_keep_state) {
// Update the properties in the inspector.
update_exports();
}
#endif
reloading = false;
return OK;
}
ScriptLanguage *GDScript::get_language() const {
return GDScriptLanguage::get_singleton();
}
void GDScript::get_constants(HashMap<StringName, Variant> *p_constants) {
if (p_constants) {
for (const KeyValue<StringName, Variant> &E : constants) {
(*p_constants)[E.key] = E.value;
}
}
}
void GDScript::get_members(HashSet<StringName> *p_members) {
if (p_members) {
for (const StringName &E : members) {
p_members->insert(E);
}
}
}
Variant GDScript::get_rpc_config() const {
return rpc_config;
}
void GDScript::unload_static() const {
GDScriptCache::remove_script(fully_qualified_name);
}
Variant GDScript::callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
GDScript *top = this;
while (top) {
if (likely(top->valid)) {
HashMap<StringName, GDScriptFunction *>::Iterator E = top->member_functions.find(p_method);
if (E) {
ERR_FAIL_COND_V_MSG(!E->value->is_static(), Variant(), "Can't call non-static function '" + String(p_method) + "' in script.");
return E->value->call(nullptr, p_args, p_argcount, r_error);
}
}
top = top->_base;
}
//none found, regular
return Script::callp(p_method, p_args, p_argcount, r_error);
}
bool GDScript::_get(const StringName &p_name, Variant &r_ret) const {
if (p_name == GDScriptLanguage::get_singleton()->strings._script_source) {
r_ret = get_source_code();
return true;
}
const GDScript *top = this;
while (top) {
{
HashMap<StringName, Variant>::ConstIterator E = top->constants.find(p_name);
if (E) {
r_ret = E->value;
return true;
}
}
{
HashMap<StringName, MemberInfo>::ConstIterator E = top->static_variables_indices.find(p_name);
if (E) {
if (likely(top->valid) && E->value.getter) {
Callable::CallError ce;
const Variant ret = const_cast<GDScript *>(this)->callp(E->value.getter, nullptr, 0, ce);
r_ret = (ce.error == Callable::CallError::CALL_OK) ? ret : Variant();
return true;
}
r_ret = top->static_variables[E->value.index];
return true;
}
}
if (likely(top->valid)) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = top->member_functions.find(p_name);
if (E && E->value->is_static()) {
if (top->rpc_config.has(p_name)) {
r_ret = Callable(memnew(GDScriptRPCCallable(const_cast<GDScript *>(top), E->key)));
} else {
r_ret = Callable(const_cast<GDScript *>(top), E->key);
}
return true;
}
}
{
HashMap<StringName, Ref<GDScript>>::ConstIterator E = top->subclasses.find(p_name);
if (E) {
r_ret = E->value;
return true;
}
}
top = top->_base;
}
return false;
}
bool GDScript::_set(const StringName &p_name, const Variant &p_value) {
if (p_name == GDScriptLanguage::get_singleton()->strings._script_source) {
set_source_code(p_value);
reload(true);
return true;
}
GDScript *top = this;
while (top) {
HashMap<StringName, MemberInfo>::ConstIterator E = top->static_variables_indices.find(p_name);
if (E) {
const MemberInfo *member = &E->value;
Variant value = p_value;
if (member->data_type.has_type && !member->data_type.is_type(value)) {
const Variant *args = &p_value;
Callable::CallError err;
Variant::construct(member->data_type.builtin_type, value, &args, 1, err);
if (err.error != Callable::CallError::CALL_OK || !member->data_type.is_type(value)) {
return false;
}
}
if (likely(top->valid) && member->setter) {
const Variant *args = &value;
Callable::CallError err;
callp(member->setter, &args, 1, err);
return err.error == Callable::CallError::CALL_OK;
} else {
top->static_variables.write[member->index] = value;
return true;
}
}
top = top->_base;
}
return false;
}
void GDScript::_get_property_list(List<PropertyInfo> *p_properties) const {
p_properties->push_back(PropertyInfo(Variant::STRING, "script/source", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NO_EDITOR | PROPERTY_USAGE_INTERNAL));
List<const GDScript *> classes;
const GDScript *top = this;
while (top) {
classes.push_back(top);
top = top->_base;
}
for (const List<const GDScript *>::Element *E = classes.back(); E; E = E->prev()) {
Vector<_GDScriptMemberSort> msort;
for (const KeyValue<StringName, MemberInfo> &F : E->get()->static_variables_indices) {
_GDScriptMemberSort ms;
ms.index = F.value.index;
ms.name = F.key;
msort.push_back(ms);
}
msort.sort();
for (int i = 0; i < msort.size(); i++) {
p_properties->push_back(E->get()->static_variables_indices[msort[i].name].property_info);
}
}
}
void GDScript::_bind_methods() {
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "new", &GDScript::_new, MethodInfo("new"));
}
void GDScript::set_path(const String &p_path, bool p_take_over) {
if (is_root_script()) {
Script::set_path(p_path, p_take_over);
}
String old_path = path;
path = p_path;
path_valid = true;
GDScriptCache::move_script(old_path, p_path);
for (KeyValue<StringName, Ref<GDScript>> &kv : subclasses) {
kv.value->set_path(p_path, p_take_over);
}
}
String GDScript::get_script_path() const {
if (!path_valid && !get_path().is_empty()) {
return get_path();
}
return path;
}
Error GDScript::load_source_code(const String &p_path) {
if (p_path.is_empty() || p_path.begins_with("gdscript://") || 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);
if (err) {
const char *err_name;
if (err < 0 || err >= ERR_MAX) {
err_name = "(invalid error code)";
} else {
err_name = error_names[err];
}
ERR_FAIL_COND_V_MSG(err, err, "Attempt to open script '" + p_path + "' resulted in error '" + err_name + "'.");
}
uint64_t len = f->get_length();
sourcef.resize(len + 1);
uint8_t *w = sourcef.ptrw();
uint64_t r = f->get_buffer(w, len);
ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
w[len] = 0;
String s;
if (s.parse_utf8((const char *)w, len) != OK) {
ERR_FAIL_V_MSG(ERR_INVALID_DATA, "Script '" + p_path + "' contains invalid unicode (UTF-8), so it was not loaded. Please ensure that scripts are saved in valid UTF-8 unicode.");
}
source = s;
path = p_path;
path_valid = true;
#ifdef TOOLS_ENABLED
source_changed_cache = true;
set_edited(false);
set_last_modified_time(FileAccess::get_modified_time(path));
#endif // TOOLS_ENABLED
return OK;
}
void GDScript::set_binary_tokens_source(const Vector<uint8_t> &p_binary_tokens) {
binary_tokens = p_binary_tokens;
}
const Vector<uint8_t> &GDScript::get_binary_tokens_source() const {
return binary_tokens;
}
Vector<uint8_t> GDScript::get_as_binary_tokens() const {
GDScriptTokenizerBuffer tokenizer;
return tokenizer.parse_code_string(source, GDScriptTokenizerBuffer::COMPRESS_NONE);
}
const HashMap<StringName, GDScriptFunction *> &GDScript::debug_get_member_functions() const {
return member_functions;
}
StringName GDScript::debug_get_member_by_index(int p_idx) const {
for (const KeyValue<StringName, MemberInfo> &E : member_indices) {
if (E.value.index == p_idx) {
return E.key;
}
}
return "<error>";
}
StringName GDScript::debug_get_static_var_by_index(int p_idx) const {
for (const KeyValue<StringName, MemberInfo> &E : static_variables_indices) {
if (E.value.index == p_idx) {
return E.key;
}
}
return "<error>";
}
Ref<GDScript> GDScript::get_base() const {
return base;
}
bool GDScript::inherits_script(const Ref<Script> &p_script) const {
Ref<GDScript> gd = p_script;
if (gd.is_null()) {
return false;
}
const GDScript *s = this;
while (s) {
if (s == p_script.ptr()) {
return true;
}
s = s->_base;
}
return false;
}
GDScript *GDScript::find_class(const String &p_qualified_name) {
String first = p_qualified_name.get_slice("::", 0);
Vector<String> class_names;
GDScript *result = nullptr;
// Empty initial name means start here.
if (first.is_empty() || first == global_name) {
class_names = p_qualified_name.split("::");
result = this;
} else if (p_qualified_name.begins_with(get_root_script()->path)) {
// Script path could have a class path separator("::") in it.
class_names = p_qualified_name.trim_prefix(get_root_script()->path).split("::");
result = get_root_script();
} else if (HashMap<StringName, Ref<GDScript>>::Iterator E = subclasses.find(first)) {
class_names = p_qualified_name.split("::");
result = E->value.ptr();
} else if (_owner != nullptr) {
// Check parent scope.
return _owner->find_class(p_qualified_name);
}
// Starts at index 1 because index 0 was handled above.
for (int i = 1; result != nullptr && i < class_names.size(); i++) {
if (HashMap<StringName, Ref<GDScript>>::Iterator E = result->subclasses.find(class_names[i])) {
result = E->value.ptr();
} else {
// Couldn't find inner class.
return nullptr;
}
}
return result;
}
bool GDScript::has_class(const GDScript *p_script) {
String fqn = p_script->fully_qualified_name;
if (fully_qualified_name.is_empty() && fqn.get_slice("::", 0).is_empty()) {
return p_script == this;
} else if (fqn.begins_with(fully_qualified_name)) {
return p_script == find_class(fqn.trim_prefix(fully_qualified_name));
}
return false;
}
GDScript *GDScript::get_root_script() {
GDScript *result = this;
while (result->_owner) {
result = result->_owner;
}
return result;
}
RBSet<GDScript *> GDScript::get_dependencies() {
RBSet<GDScript *> dependencies;
_collect_dependencies(dependencies, this);
dependencies.erase(this);
return dependencies;
}
HashMap<GDScript *, RBSet<GDScript *>> GDScript::get_all_dependencies() {
HashMap<GDScript *, RBSet<GDScript *>> all_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->destructing) {
continue;
}
all_dependencies.insert(scr, scr->get_dependencies());
}
return all_dependencies;
}
RBSet<GDScript *> GDScript::get_must_clear_dependencies() {
RBSet<GDScript *> dependencies = get_dependencies();
RBSet<GDScript *> must_clear_dependencies;
HashMap<GDScript *, RBSet<GDScript *>> all_dependencies = get_all_dependencies();
RBSet<GDScript *> cant_clear;
for (KeyValue<GDScript *, RBSet<GDScript *>> &E : all_dependencies) {
if (dependencies.has(E.key)) {
continue;
}
for (GDScript *F : E.value) {
if (dependencies.has(F)) {
cant_clear.insert(F);
}
}
}
for (GDScript *E : dependencies) {
if (cant_clear.has(E) || ScriptServer::is_global_class(E->get_fully_qualified_name())) {
continue;
}
must_clear_dependencies.insert(E);
}
cant_clear.clear();
dependencies.clear();
all_dependencies.clear();
return must_clear_dependencies;
}
bool GDScript::has_script_signal(const StringName &p_signal) const {
if (_signals.has(p_signal)) {
return true;
}
if (base.is_valid()) {
return base->has_script_signal(p_signal);
}
#ifdef TOOLS_ENABLED
else if (base_cache.is_valid()) {
return base_cache->has_script_signal(p_signal);
}
#endif
return false;
}
void GDScript::_get_script_signal_list(List<MethodInfo> *r_list, bool p_include_base) const {
for (const KeyValue<StringName, MethodInfo> &E : _signals) {
r_list->push_back(E.value);
}
if (!p_include_base) {
return;
}
if (base.is_valid()) {
base->get_script_signal_list(r_list);
}
#ifdef TOOLS_ENABLED
else if (base_cache.is_valid()) {
base_cache->get_script_signal_list(r_list);
}
#endif
}
void GDScript::get_script_signal_list(List<MethodInfo> *r_signals) const {
_get_script_signal_list(r_signals, true);
}
GDScript *GDScript::_get_gdscript_from_variant(const Variant &p_variant) {
Object *obj = p_variant;
if (obj == nullptr || obj->get_instance_id().is_null()) {
return nullptr;
}
return Object::cast_to<GDScript>(obj);
}
void GDScript::_collect_function_dependencies(GDScriptFunction *p_func, RBSet<GDScript *> &p_dependencies, const GDScript *p_except) {
if (p_func == nullptr) {
return;
}
for (GDScriptFunction *lambda : p_func->lambdas) {
_collect_function_dependencies(lambda, p_dependencies, p_except);
}
for (const Variant &V : p_func->constants) {
GDScript *scr = _get_gdscript_from_variant(V);
if (scr != nullptr && scr != p_except) {
scr->_collect_dependencies(p_dependencies, p_except);
}
}
}
void GDScript::_collect_dependencies(RBSet<GDScript *> &p_dependencies, const GDScript *p_except) {
if (p_dependencies.has(this)) {
return;
}
if (this != p_except) {
p_dependencies.insert(this);
}
for (const KeyValue<StringName, GDScriptFunction *> &E : member_functions) {
_collect_function_dependencies(E.value, p_dependencies, p_except);
}
if (implicit_initializer) {
_collect_function_dependencies(implicit_initializer, p_dependencies, p_except);
}
if (implicit_ready) {
_collect_function_dependencies(implicit_ready, p_dependencies, p_except);
}
if (static_initializer) {
_collect_function_dependencies(static_initializer, p_dependencies, p_except);
}
for (KeyValue<StringName, Ref<GDScript>> &E : subclasses) {
if (E.value != p_except) {
E.value->_collect_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->_collect_dependencies(p_dependencies, p_except);
}
}
}
GDScript::GDScript() :
script_list(this) {
{
MutexLock lock(GDScriptLanguage::get_singleton()->mutex);
GDScriptLanguage::get_singleton()->script_list.add(&script_list);
}
path = vformat("gdscript://%d.gd", get_instance_id());
}
void GDScript::_save_orphaned_subclasses(ClearData *p_clear_data) {
struct ClassRefWithName {
ObjectID id;
String fully_qualified_name;
};
Vector<ClassRefWithName> weak_subclasses;
// collect subclasses ObjectID and name
for (KeyValue<StringName, Ref<GDScript>> &E : subclasses) {
E.value->_owner = nullptr; //bye, you are no longer owned cause I died
ClassRefWithName subclass;
subclass.id = E.value->get_instance_id();
subclass.fully_qualified_name = E.value->fully_qualified_name;
weak_subclasses.push_back(subclass);
}
// clear subclasses to allow unused subclasses to be deleted
for (KeyValue<StringName, Ref<GDScript>> &E : subclasses) {
p_clear_data->scripts.insert(E.value);
}
subclasses.clear();
// subclasses are also held by constants, clear those as well
for (KeyValue<StringName, Variant> &E : constants) {
GDScript *gdscr = _get_gdscript_from_variant(E.value);
if (gdscr != nullptr) {
p_clear_data->scripts.insert(gdscr);
}
}
constants.clear();
// keep orphan subclass only for subclasses that are still in use
for (int i = 0; i < weak_subclasses.size(); i++) {
ClassRefWithName subclass = weak_subclasses[i];
Object *obj = ObjectDB::get_instance(subclass.id);
if (!obj) {
continue;
}
// subclass is not released
GDScriptLanguage::get_singleton()->add_orphan_subclass(subclass.fully_qualified_name, subclass.id);
}
}
#ifdef DEBUG_ENABLED
String GDScript::debug_get_script_name(const Ref<Script> &p_script) {
if (p_script.is_valid()) {
Ref<GDScript> gdscript = p_script;
if (gdscript.is_valid()) {
if (gdscript->get_local_name() != StringName()) {
return gdscript->get_local_name();
}
return gdscript->get_fully_qualified_name().get_file();
}
if (p_script->get_global_name() != StringName()) {
return p_script->get_global_name();
} else if (!p_script->get_path().is_empty()) {
return p_script->get_path().get_file();
} else if (!p_script->get_name().is_empty()) {
return p_script->get_name(); // Resource name.
}
}
return "<unknown script>";
}
#endif
String GDScript::canonicalize_path(const String &p_path) {
if (p_path.get_extension() == "gdc") {
return p_path.get_basename() + ".gd";
}
return p_path;
}
GDScript::UpdatableFuncPtr::UpdatableFuncPtr(GDScriptFunction *p_function) {
if (p_function == nullptr) {
return;
}
ptr = p_function;
script = ptr->get_script();
ERR_FAIL_NULL(script);
MutexLock script_lock(script->func_ptrs_to_update_mutex);
list_element = script->func_ptrs_to_update.push_back(this);
}
GDScript::UpdatableFuncPtr::~UpdatableFuncPtr() {
ERR_FAIL_NULL(script);
if (list_element) {
MutexLock script_lock(script->func_ptrs_to_update_mutex);
list_element->erase();
list_element = nullptr;
}
}
void GDScript::_recurse_replace_function_ptrs(const HashMap<GDScriptFunction *, GDScriptFunction *> &p_replacements) const {
MutexLock lock(func_ptrs_to_update_mutex);
for (UpdatableFuncPtr *updatable : func_ptrs_to_update) {
HashMap<GDScriptFunction *, GDScriptFunction *>::ConstIterator replacement = p_replacements.find(updatable->ptr);
if (replacement) {
updatable->ptr = replacement->value;
} else {
// Probably a lambda from another reload, ignore.
updatable->ptr = nullptr;
}
}
for (HashMap<StringName, Ref<GDScript>>::ConstIterator subscript = subclasses.begin(); subscript; ++subscript) {
subscript->value->_recurse_replace_function_ptrs(p_replacements);
}
}
void GDScript::clear(ClearData *p_clear_data) {
if (clearing) {
return;
}
clearing = true;
ClearData data;
ClearData *clear_data = p_clear_data;
bool is_root = false;
// If `clear_data` is `nullptr`, it means that it's the root.
// The root is in charge to clear functions and scripts of itself and its dependencies
if (clear_data == nullptr) {
clear_data = &data;
is_root = true;
}
{
MutexLock lock(func_ptrs_to_update_mutex);
for (UpdatableFuncPtr *updatable : func_ptrs_to_update) {
updatable->ptr = nullptr;
}
}
// If we're in the process of shutting things down then every single script will be cleared
// anyway, so we can safely skip this very costly operation.
if (!GDScriptLanguage::singleton->finishing) {
RBSet<GDScript *> must_clear_dependencies = get_must_clear_dependencies();
for (GDScript *E : must_clear_dependencies) {
clear_data->scripts.insert(E);
E->clear(clear_data);
}
}
for (const KeyValue<StringName, GDScriptFunction *> &E : member_functions) {
clear_data->functions.insert(E.value);
}
member_functions.clear();
for (KeyValue<StringName, MemberInfo> &E : member_indices) {
clear_data->scripts.insert(E.value.data_type.script_type_ref);
E.value.data_type.script_type_ref = Ref<Script>();
}
for (KeyValue<StringName, MemberInfo> &E : static_variables_indices) {
clear_data->scripts.insert(E.value.data_type.script_type_ref);
E.value.data_type.script_type_ref = Ref<Script>();
}
static_variables.clear();
static_variables_indices.clear();
if (implicit_initializer) {
clear_data->functions.insert(implicit_initializer);
implicit_initializer = nullptr;
}
if (implicit_ready) {
clear_data->functions.insert(implicit_ready);
implicit_ready = nullptr;
}
if (static_initializer) {
clear_data->functions.insert(static_initializer);
static_initializer = nullptr;
}
_save_orphaned_subclasses(clear_data);
#ifdef TOOLS_ENABLED
// Clearing inner class doc, script doc only cleared when the script source deleted.
if (_owner) {
_clear_doc();
}
#endif
// If it's not the root, skip clearing the data
if (is_root) {
// All dependencies have been accounted for
for (GDScriptFunction *E : clear_data->functions) {
memdelete(E);
}
for (Ref<Script> &E : clear_data->scripts) {
Ref<GDScript> gdscr = E;
if (gdscr.is_valid()) {
GDScriptCache::remove_script(gdscr->get_path());
}
}
clear_data->clear();
}
}
GDScript::~GDScript() {
if (destructing) {
return;
}
destructing = true;
if (is_print_verbose_enabled()) {
MutexLock lock(func_ptrs_to_update_mutex);
if (!func_ptrs_to_update.is_empty()) {
print_line(vformat("GDScript: %d orphaned lambdas becoming invalid at destruction of script '%s'.", func_ptrs_to_update.size(), fully_qualified_name));
}
}
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);
GDScriptFunctionState *state = E->self();
ObjectID state_id = state->get_instance_id();
state->_clear_connections();
if (ObjectDB::get_instance(state_id)) {
state->_clear_stack();
}
}
}
{
MutexLock lock(GDScriptLanguage::get_singleton()->mutex);
script_list.remove_from_list();
}
}
//////////////////////////////
// INSTANCE //
//////////////////////////////
bool GDScriptInstance::set(const StringName &p_name, const Variant &p_value) {
{
HashMap<StringName, GDScript::MemberInfo>::Iterator E = script->member_indices.find(p_name);
if (E) {
const GDScript::MemberInfo *member = &E->value;
Variant value = p_value;
if (member->data_type.has_type && !member->data_type.is_type(value)) {
const Variant *args = &p_value;
Callable::CallError err;
Variant::construct(member->data_type.builtin_type, value, &args, 1, err);
if (err.error != Callable::CallError::CALL_OK || !member->data_type.is_type(value)) {
return false;
}
}
if (likely(script->valid) && member->setter) {
const Variant *args = &value;
Callable::CallError err;
callp(member->setter, &args, 1, err);
return err.error == Callable::CallError::CALL_OK;
} else {
members.write[member->index] = value;
return true;
}
}
}
GDScript *sptr = script.ptr();
while (sptr) {
{
HashMap<StringName, GDScript::MemberInfo>::ConstIterator E = sptr->static_variables_indices.find(p_name);
if (E) {
const GDScript::MemberInfo *member = &E->value;
Variant value = p_value;
if (member->data_type.has_type && !member->data_type.is_type(value)) {
const Variant *args = &p_value;
Callable::CallError err;
Variant::construct(member->data_type.builtin_type, value, &args, 1, err);
if (err.error != Callable::CallError::CALL_OK || !member->data_type.is_type(value)) {
return false;
}
}
if (likely(sptr->valid) && member->setter) {
const Variant *args = &value;
Callable::CallError err;
callp(member->setter, &args, 1, err);
return err.error == Callable::CallError::CALL_OK;
} else {
sptr->static_variables.write[member->index] = value;
return true;
}
}
}
if (likely(sptr->valid)) {
HashMap<StringName, GDScriptFunction *>::Iterator E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._set);
if (E) {
Variant name = p_name;
const Variant *args[2] = { &name, &p_value };
Callable::CallError err;
Variant ret = E->value->call(this, (const Variant **)args, 2, err);
if (err.error == Callable::CallError::CALL_OK && ret.get_type() == Variant::BOOL && ret.operator bool()) {
return true;
}
}
}
sptr = sptr->_base;
}
return false;
}
bool GDScriptInstance::get(const StringName &p_name, Variant &r_ret) const {
{
HashMap<StringName, GDScript::MemberInfo>::ConstIterator E = script->member_indices.find(p_name);
if (E) {
if (likely(script->valid) && E->value.getter) {
Callable::CallError err;
const Variant ret = const_cast<GDScriptInstance *>(this)->callp(E->value.getter, nullptr, 0, err);
r_ret = (err.error == Callable::CallError::CALL_OK) ? ret : Variant();
return true;
}
r_ret = members[E->value.index];
return true;
}
}
const GDScript *sptr = script.ptr();
while (sptr) {
{
HashMap<StringName, Variant>::ConstIterator E = sptr->constants.find(p_name);
if (E) {
r_ret = E->value;
return true;
}
}
{
HashMap<StringName, GDScript::MemberInfo>::ConstIterator E = sptr->static_variables_indices.find(p_name);
if (E) {
if (likely(sptr->valid) && E->value.getter) {
Callable::CallError ce;
const Variant ret = const_cast<GDScript *>(sptr)->callp(E->value.getter, nullptr, 0, ce);
r_ret = (ce.error == Callable::CallError::CALL_OK) ? ret : Variant();
return true;
}
r_ret = sptr->static_variables[E->value.index];
return true;
}
}
{
HashMap<StringName, MethodInfo>::ConstIterator E = sptr->_signals.find(p_name);
if (E) {
r_ret = Signal(owner, E->key);
return true;
}
}
if (likely(sptr->valid)) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(p_name);
if (E) {
if (sptr->rpc_config.has(p_name)) {
r_ret = Callable(memnew(GDScriptRPCCallable(owner, E->key)));
} else {
r_ret = Callable(owner, E->key);
}
return true;
}
}
{
HashMap<StringName, Ref<GDScript>>::ConstIterator E = sptr->subclasses.find(p_name);
if (E) {
r_ret = E->value;
return true;
}
}
if (likely(sptr->valid)) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._get);
if (E) {
Variant name = p_name;
const Variant *args[1] = { &name };
Callable::CallError err;
Variant ret = E->value->call(const_cast<GDScriptInstance *>(this), (const Variant **)args, 1, err);
if (err.error == Callable::CallError::CALL_OK && ret.get_type() != Variant::NIL) {
r_ret = ret;
return true;
}
}
}
sptr = sptr->_base;
}
return false;
}
Variant::Type GDScriptInstance::get_property_type(const StringName &p_name, bool *r_is_valid) const {
if (script->member_indices.has(p_name)) {
if (r_is_valid) {
*r_is_valid = true;
}
return script->member_indices[p_name].property_info.type;
}
if (r_is_valid) {
*r_is_valid = false;
}
return Variant::NIL;
}
void GDScriptInstance::validate_property(PropertyInfo &p_property) const {
const GDScript *sptr = script.ptr();
while (sptr) {
if (likely(sptr->valid)) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._validate_property);
if (E) {
Variant property = (Dictionary)p_property;
const Variant *args[1] = { &property };
Callable::CallError err;
Variant ret = E->value->call(const_cast<GDScriptInstance *>(this), args, 1, err);
if (err.error == Callable::CallError::CALL_OK) {
p_property = PropertyInfo::from_dict(property);
return;
}
}
}
sptr = sptr->_base;
}
}
void GDScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
// exported members, not done yet!
const GDScript *sptr = script.ptr();
List<PropertyInfo> props;
while (sptr) {
if (likely(sptr->valid)) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._get_property_list);
if (E) {
Callable::CallError err;
Variant ret = E->value->call(const_cast<GDScriptInstance *>(this), nullptr, 0, err);
if (err.error == Callable::CallError::CALL_OK) {
ERR_FAIL_COND_MSG(ret.get_type() != Variant::ARRAY, "Wrong type for _get_property_list, must be an array of dictionaries.");
Array arr = ret;
for (int i = 0; i < arr.size(); i++) {
Dictionary d = arr[i];
ERR_CONTINUE(!d.has("name"));
ERR_CONTINUE(!d.has("type"));
PropertyInfo pinfo;
pinfo.name = d["name"];
pinfo.type = Variant::Type(d["type"].operator int());
if (d.has("hint")) {
pinfo.hint = PropertyHint(d["hint"].operator int());
}
if (d.has("hint_string")) {
pinfo.hint_string = d["hint_string"];
}
if (d.has("usage")) {
pinfo.usage = d["usage"];
}
if (d.has("class_name")) {
pinfo.class_name = d["class_name"];
}
ERR_CONTINUE(pinfo.name.is_empty() && (pinfo.usage & PROPERTY_USAGE_STORAGE));
ERR_CONTINUE(pinfo.type < 0 || pinfo.type >= Variant::VARIANT_MAX);
props.push_back(pinfo);
}
}
}
}
//instance a fake script for editing the values
Vector<_GDScriptMemberSort> msort;
for (const KeyValue<StringName, GDScript::MemberInfo> &F : sptr->member_indices) {
if (!sptr->members.has(F.key)) {
continue; // Skip base class members.
}
_GDScriptMemberSort ms;
ms.index = F.value.index;
ms.name = F.key;
msort.push_back(ms);
}
msort.sort();
msort.reverse();
for (int i = 0; i < msort.size(); i++) {
props.push_front(sptr->member_indices[msort[i].name].property_info);
}
#ifdef TOOLS_ENABLED
p_properties->push_back(sptr->get_class_category());
#endif // TOOLS_ENABLED
for (PropertyInfo &prop : props) {
validate_property(prop);
p_properties->push_back(prop);
}
props.clear();
sptr = sptr->_base;
}
}
bool GDScriptInstance::property_can_revert(const StringName &p_name) const {
Variant name = p_name;
const Variant *args[1] = { &name };
const GDScript *sptr = script.ptr();
while (sptr) {
if (likely(sptr->valid)) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._property_can_revert);
if (E) {
Callable::CallError err;
Variant ret = E->value->call(const_cast<GDScriptInstance *>(this), args, 1, err);
if (err.error == Callable::CallError::CALL_OK && ret.get_type() == Variant::BOOL && ret.operator bool()) {
return true;
}
}
}
sptr = sptr->_base;
}
return false;
}
bool GDScriptInstance::property_get_revert(const StringName &p_name, Variant &r_ret) const {
Variant name = p_name;
const Variant *args[1] = { &name };
const GDScript *sptr = script.ptr();
while (sptr) {
if (likely(sptr->valid)) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._property_get_revert);
if (E) {
Callable::CallError err;
Variant ret = E->value->call(const_cast<GDScriptInstance *>(this), args, 1, err);
if (err.error == Callable::CallError::CALL_OK && ret.get_type() != Variant::NIL) {
r_ret = ret;
return true;
}
}
}
sptr = sptr->_base;
}
return false;
}
void GDScriptInstance::get_method_list(List<MethodInfo> *p_list) const {
const GDScript *sptr = script.ptr();
while (sptr) {
for (const KeyValue<StringName, GDScriptFunction *> &E : sptr->member_functions) {
p_list->push_back(E.value->get_method_info());
}
sptr = sptr->_base;
}
}
bool GDScriptInstance::has_method(const StringName &p_method) const {
const GDScript *sptr = script.ptr();
while (sptr) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(p_method);
if (E) {
return true;
}
sptr = sptr->_base;
}
return false;
}
int GDScriptInstance::get_method_argument_count(const StringName &p_method, bool *r_is_valid) const {
const GDScript *sptr = script.ptr();
while (sptr) {
HashMap<StringName, GDScriptFunction *>::ConstIterator E = sptr->member_functions.find(p_method);
if (E) {
if (r_is_valid) {
*r_is_valid = true;
}
return E->value->get_argument_count();
}
sptr = sptr->_base;
}
if (r_is_valid) {
*r_is_valid = false;
}
return 0;
}
void GDScriptInstance::_call_implicit_ready_recursively(GDScript *p_script) {
// Call base class first.
if (p_script->_base) {
_call_implicit_ready_recursively(p_script->_base);
}
if (likely(p_script->valid) && p_script->implicit_ready) {
Callable::CallError err;
p_script->implicit_ready->call(this, nullptr, 0, err);
}
}
Variant GDScriptInstance::callp(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
GDScript *sptr = script.ptr();
if (unlikely(p_method == SceneStringName(_ready))) {
// Call implicit ready first, including for the super classes recursively.
_call_implicit_ready_recursively(sptr);
}
while (sptr) {
if (likely(sptr->valid)) {
HashMap<StringName, GDScriptFunction *>::Iterator E = sptr->member_functions.find(p_method);
if (E) {
return E->value->call(this, p_args, p_argcount, r_error);
}
}
sptr = sptr->_base;
}
r_error.error = Callable::CallError::CALL_ERROR_INVALID_METHOD;
return Variant();
}
void GDScriptInstance::notification(int p_notification, bool p_reversed) {
if (unlikely(!script->valid)) {
return;
}
//notification is not virtual, it gets called at ALL levels just like in C.
Variant value = p_notification;
const Variant *args[1] = { &value };
List<GDScript *> pl;
GDScript *sptr = script.ptr();
while (sptr) {
if (p_reversed) {
pl.push_back(sptr);
} else {
pl.push_front(sptr);
}
sptr = sptr->_base;
}
for (GDScript *sc : pl) {
if (likely(sc->valid)) {
HashMap<StringName, GDScriptFunction *>::Iterator E = sc->member_functions.find(GDScriptLanguage::get_singleton()->strings._notification);
if (E) {
Callable::CallError err;
E->value->call(this, args, 1, err);
if (err.error != Callable::CallError::CALL_OK) {
//print error about notification call
}
}
}
}
}
String GDScriptInstance::to_string(bool *r_valid) {
if (has_method(CoreStringName(_to_string))) {
Callable::CallError ce;
Variant ret = callp(CoreStringName(_to_string), nullptr, 0, ce);
if (ce.error == Callable::CallError::CALL_OK) {
if (ret.get_type() != Variant::STRING) {
if (r_valid) {
*r_valid = false;
}
ERR_FAIL_V_MSG(String(), "Wrong type for " + CoreStringName(_to_string) + ", must be a String.");
}
if (r_valid) {
*r_valid = true;
}
return ret.operator String();
}
}
if (r_valid) {
*r_valid = false;
}
return String();
}
Ref<Script> GDScriptInstance::get_script() const {
return script;
}
ScriptLanguage *GDScriptInstance::get_language() {
return GDScriptLanguage::get_singleton();
}
const Variant GDScriptInstance::get_rpc_config() const {
return script->get_rpc_config();
}
void GDScriptInstance::reload_members() {
#ifdef DEBUG_ENABLED
Vector<Variant> new_members;
new_members.resize(script->member_indices.size());
//pass the values to the new indices
for (KeyValue<StringName, GDScript::MemberInfo> &E : script->member_indices) {
if (member_indices_cache.has(E.key)) {
Variant value = members[member_indices_cache[E.key]];
new_members.write[E.value.index] = value;
}
}
members.resize(new_members.size()); //resize
//apply
members = new_members;
//pass the values to the new indices
member_indices_cache.clear();
for (const KeyValue<StringName, GDScript::MemberInfo> &E : script->member_indices) {
member_indices_cache[E.key] = E.value.index;
}
#endif
}
GDScriptInstance::GDScriptInstance() {
owner = nullptr;
base_ref_counted = false;
}
GDScriptInstance::~GDScriptInstance() {
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);
GDScriptFunctionState *state = E->self();
ObjectID state_id = state->get_instance_id();
state->_clear_connections();
if (ObjectDB::get_instance(state_id)) {
state->_clear_stack();
}
}
if (script.is_valid() && owner) {
script->instances.erase(owner);
}
}
/************* SCRIPT LANGUAGE **************/
GDScriptLanguage *GDScriptLanguage::singleton = nullptr;
String GDScriptLanguage::get_name() const {
return "GDScript";
}
/* LANGUAGE FUNCTIONS */
void GDScriptLanguage::_add_global(const StringName &p_name, const Variant &p_value) {
if (globals.has(p_name)) {
//overwrite existing
global_array.write[globals[p_name]] = p_value;
return;
}
if (global_array_empty_indexes.size()) {
int index = global_array_empty_indexes[global_array_empty_indexes.size() - 1];
globals[p_name] = index;
global_array.write[index] = p_value;
global_array_empty_indexes.resize(global_array_empty_indexes.size() - 1);
} else {
globals[p_name] = global_array.size();
global_array.push_back(p_value);
_global_array = global_array.ptrw();
}
}
void GDScriptLanguage::_remove_global(const StringName &p_name) {
if (!globals.has(p_name)) {
return;
}
global_array_empty_indexes.push_back(globals[p_name]);
global_array.write[globals[p_name]] = Variant::NIL;
globals.erase(p_name);
}
void GDScriptLanguage::add_global_constant(const StringName &p_variable, const Variant &p_value) {
_add_global(p_variable, p_value);
}
void GDScriptLanguage::add_named_global_constant(const StringName &p_name, const Variant &p_value) {
named_globals[p_name] = p_value;
}
Variant GDScriptLanguage::get_any_global_constant(const StringName &p_name) {
if (named_globals.has(p_name)) {
return named_globals[p_name];
}
if (globals.has(p_name)) {
return _global_array[globals[p_name]];
}
ERR_FAIL_V_MSG(Variant(), vformat("Could not find any global constant with name: %s.", p_name));
}
void GDScriptLanguage::remove_named_global_constant(const StringName &p_name) {
ERR_FAIL_COND(!named_globals.has(p_name));
named_globals.erase(p_name);
}
void GDScriptLanguage::init() {
//populate global constants
int gcc = CoreConstants::get_global_constant_count();
for (int i = 0; i < gcc; i++) {
_add_global(StaticCString::create(CoreConstants::get_global_constant_name(i)), CoreConstants::get_global_constant_value(i));
}
_add_global(StaticCString::create("PI"), Math_PI);
_add_global(StaticCString::create("TAU"), Math_TAU);
_add_global(StaticCString::create("INF"), INFINITY);
_add_global(StaticCString::create("NAN"), NAN);
//populate native classes
List<StringName> class_list;
ClassDB::get_class_list(&class_list);
for (const StringName &n : class_list) {
if (globals.has(n)) {
continue;
}
Ref<GDScriptNativeClass> nc = memnew(GDScriptNativeClass(n));
_add_global(n, nc);
}
//populate singletons
List<Engine::Singleton> singletons;
Engine::get_singleton()->get_singletons(&singletons);
for (const Engine::Singleton &E : singletons) {
_add_global(E.name, E.ptr);
}
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
GDExtensionManager::get_singleton()->connect("extension_loaded", callable_mp(this, &GDScriptLanguage::_extension_loaded));
GDExtensionManager::get_singleton()->connect("extension_unloading", callable_mp(this, &GDScriptLanguage::_extension_unloading));
}
#endif
#ifdef TESTS_ENABLED
GDScriptTests::GDScriptTestRunner::handle_cmdline();
#endif
}
#ifdef TOOLS_ENABLED
void GDScriptLanguage::_extension_loaded(const Ref<GDExtension> &p_extension) {
List<StringName> class_list;
ClassDB::get_extension_class_list(p_extension, &class_list);
for (const StringName &n : class_list) {
if (globals.has(n)) {
continue;
}
Ref<GDScriptNativeClass> nc = memnew(GDScriptNativeClass(n));
_add_global(n, nc);
}
}
void GDScriptLanguage::_extension_unloading(const Ref<GDExtension> &p_extension) {
List<StringName> class_list;
ClassDB::get_extension_class_list(p_extension, &class_list);
for (const StringName &n : class_list) {
_remove_global(n);
}
}
#endif
String GDScriptLanguage::get_type() const {
return "GDScript";
}
String GDScriptLanguage::get_extension() const {
return "gd";
}
void GDScriptLanguage::finish() {
if (finishing) {
return;
}
finishing = true;
_call_stack.free();
// Clear the cache before parsing the script_list
GDScriptCache::clear();
// Clear dependencies between scripts, to ensure cyclic references are broken
// (to avoid leaks at exit).
SelfList<GDScript> *s = script_list.first();
while (s) {
// 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).
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>();
}
// Clear backup for scripts that could slip out of the cyclic reference
// check
scr->clear();
}
s = s->next();
}
script_list.clear();
function_list.clear();
finishing = false;
}
void GDScriptLanguage::profiling_start() {
#ifdef DEBUG_ENABLED
MutexLock lock(mutex);
SelfList<GDScriptFunction> *elem = function_list.first();
while (elem) {
elem->self()->profile.call_count.set(0);
elem->self()->profile.self_time.set(0);
elem->self()->profile.total_time.set(0);
elem->self()->profile.frame_call_count.set(0);
elem->self()->profile.frame_self_time.set(0);
elem->self()->profile.frame_total_time.set(0);
elem->self()->profile.last_frame_call_count = 0;
elem->self()->profile.last_frame_self_time = 0;
elem->self()->profile.last_frame_total_time = 0;
elem->self()->profile.native_calls.clear();
elem->self()->profile.last_native_calls.clear();
elem = elem->next();
}
profiling = true;
#endif
}
void GDScriptLanguage::profiling_set_save_native_calls(bool p_enable) {
#ifdef DEBUG_ENABLED
MutexLock lock(mutex);
profile_native_calls = p_enable;
#endif
}
void GDScriptLanguage::profiling_stop() {
#ifdef DEBUG_ENABLED
MutexLock lock(mutex);
profiling = false;
#endif
}
int GDScriptLanguage::profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) {
int current = 0;
#ifdef DEBUG_ENABLED
MutexLock lock(mutex);
profiling_collate_native_call_data(true);
SelfList<GDScriptFunction> *elem = function_list.first();
while (elem) {
if (current >= p_info_max) {
break;
}
int last_non_internal = current;
p_info_arr[current].call_count = elem->self()->profile.call_count.get();
p_info_arr[current].self_time = elem->self()->profile.self_time.get();
p_info_arr[current].total_time = elem->self()->profile.total_time.get();
p_info_arr[current].signature = elem->self()->profile.signature;
current++;
int nat_time = 0;
HashMap<String, GDScriptFunction::Profile::NativeProfile>::ConstIterator nat_calls = elem->self()->profile.native_calls.begin();
while (nat_calls) {
p_info_arr[current].call_count = nat_calls->value.call_count;
p_info_arr[current].total_time = nat_calls->value.total_time;
p_info_arr[current].self_time = nat_calls->value.total_time;
p_info_arr[current].signature = nat_calls->value.signature;
nat_time += nat_calls->value.total_time;
current++;
++nat_calls;
}
p_info_arr[last_non_internal].internal_time = nat_time;
elem = elem->next();
}
#endif
return current;
}
int GDScriptLanguage::profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) {
int current = 0;
#ifdef DEBUG_ENABLED
MutexLock lock(mutex);
profiling_collate_native_call_data(false);
SelfList<GDScriptFunction> *elem = function_list.first();
while (elem) {
if (current >= p_info_max) {
break;
}
if (elem->self()->profile.last_frame_call_count > 0) {
int last_non_internal = current;
p_info_arr[current].call_count = elem->self()->profile.last_frame_call_count;
p_info_arr[current].self_time = elem->self()->profile.last_frame_self_time;
p_info_arr[current].total_time = elem->self()->profile.last_frame_total_time;
p_info_arr[current].signature = elem->self()->profile.signature;
current++;
int nat_time = 0;
HashMap<String, GDScriptFunction::Profile::NativeProfile>::ConstIterator nat_calls = elem->self()->profile.last_native_calls.begin();
while (nat_calls) {
p_info_arr[current].call_count = nat_calls->value.call_count;
p_info_arr[current].total_time = nat_calls->value.total_time;
p_info_arr[current].self_time = nat_calls->value.total_time;
p_info_arr[current].internal_time = nat_calls->value.total_time;
p_info_arr[current].signature = nat_calls->value.signature;
nat_time += nat_calls->value.total_time;
current++;
++nat_calls;
}
p_info_arr[last_non_internal].internal_time = nat_time;
}
elem = elem->next();
}
#endif
return current;
}
void GDScriptLanguage::profiling_collate_native_call_data(bool p_accumulated) {
#ifdef DEBUG_ENABLED
// The same native call can be called from multiple functions, so join them together here.
// Only use the name of the function (ie signature.split[2]).
HashMap<String, GDScriptFunction::Profile::NativeProfile *> seen_nat_calls;
SelfList<GDScriptFunction> *elem = function_list.first();
while (elem) {
HashMap<String, GDScriptFunction::Profile::NativeProfile> *nat_calls = p_accumulated ? &elem->self()->profile.native_calls : &elem->self()->profile.last_native_calls;
HashMap<String, GDScriptFunction::Profile::NativeProfile>::Iterator it = nat_calls->begin();
while (it != nat_calls->end()) {
Vector<String> sig = it->value.signature.split("::");
HashMap<String, GDScriptFunction::Profile::NativeProfile *>::ConstIterator already_found = seen_nat_calls.find(sig[2]);
if (already_found) {
already_found->value->total_time += it->value.total_time;
already_found->value->call_count += it->value.call_count;
elem->self()->profile.last_native_calls.remove(it);
} else {
seen_nat_calls.insert(sig[2], &it->value);
}
++it;
}
elem = elem->next();
}
#endif
}
struct GDScriptDepSort {
//must support sorting so inheritance works properly (parent must be reloaded first)
bool operator()(const Ref<GDScript> &A, const Ref<GDScript> &B) const {
if (A == B) {
return false; //shouldn't happen but..
}
const GDScript *I = B->get_base().ptr();
while (I) {
if (I == A.ptr()) {
// A is a base of B
return true;
}
I = I->get_base().ptr();
}
return false; //not a base
}
};
void GDScriptLanguage::reload_all_scripts() {
#ifdef DEBUG_ENABLED
print_verbose("GDScript: Reloading all scripts");
Array scripts;
{
MutexLock lock(mutex);
SelfList<GDScript> *elem = script_list.first();
while (elem) {
if (elem->self()->get_path().is_resource_file()) {
print_verbose("GDScript: Found: " + elem->self()->get_path());
scripts.push_back(Ref<GDScript>(elem->self())); //cast to gdscript to avoid being erased by accident
}
elem = elem->next();
}
#ifdef TOOLS_ENABLED
if (Engine::get_singleton()->is_editor_hint()) {
// Reload all pointers to existing singletons so that tool scripts can work with the reloaded extensions.
List<Engine::Singleton> singletons;
Engine::get_singleton()->get_singletons(&singletons);
for (const Engine::Singleton &E : singletons) {
if (globals.has(E.name)) {
_add_global(E.name, E.ptr);
}
}
}
#endif // TOOLS_ENABLED
}
reload_scripts(scripts, true);
#endif // DEBUG_ENABLED
}
void GDScriptLanguage::reload_scripts(const Array &p_scripts, bool p_soft_reload) {
#ifdef DEBUG_ENABLED
List<Ref<GDScript>> scripts;
{
MutexLock lock(mutex);
SelfList<GDScript> *elem = script_list.first();
while (elem) {
// Scripts will reload all subclasses, so only reload root scripts.
if (elem->self()->is_root_script() && !elem->self()->get_path().is_empty()) {
scripts.push_back(Ref<GDScript>(elem->self())); //cast to gdscript to avoid being erased by accident
}
elem = elem->next();
}
}
//when someone asks you why dynamically typed languages are easier to write....
HashMap<Ref<GDScript>, HashMap<ObjectID, List<Pair<StringName, Variant>>>> to_reload;
//as scripts are going to be reloaded, must proceed without locking here
scripts.sort_custom<GDScriptDepSort>(); //update in inheritance dependency order
for (Ref<GDScript> &scr : scripts) {
bool reload = p_scripts.has(scr) || to_reload.has(scr->get_base());
if (!reload) {
continue;
}
to_reload.insert(scr, HashMap<ObjectID, List<Pair<StringName, Variant>>>());
if (!p_soft_reload) {
//save state and remove script from instances
HashMap<ObjectID, List<Pair<StringName, Variant>>> &map = to_reload[scr];
while (scr->instances.front()) {
Object *obj = scr->instances.front()->get();
//save instance info
List<Pair<StringName, Variant>> state;
if (obj->get_script_instance()) {
obj->get_script_instance()->get_property_state(state);
map[obj->get_instance_id()] = state;
obj->set_script(Variant());
}
}
//same thing for placeholders
#ifdef TOOLS_ENABLED
while (scr->placeholders.size()) {
Object *obj = (*scr->placeholders.begin())->get_owner();
//save instance info
if (obj->get_script_instance()) {
map.insert(obj->get_instance_id(), List<Pair<StringName, Variant>>());
List<Pair<StringName, Variant>> &state = map[obj->get_instance_id()];
obj->get_script_instance()->get_property_state(state);
obj->set_script(Variant());
} else {
// no instance found. Let's remove it so we don't loop forever
scr->placeholders.erase(*scr->placeholders.begin());
}
}
#endif // TOOLS_ENABLED
for (const KeyValue<ObjectID, List<Pair<StringName, Variant>>> &F : scr->pending_reload_state) {
map[F.key] = F.value; //pending to reload, use this one instead
}
}
}
for (KeyValue<Ref<GDScript>, HashMap<ObjectID, List<Pair<StringName, Variant>>>> &E : to_reload) {
Ref<GDScript> scr = E.key;
print_verbose("GDScript: Reloading: " + scr->get_path());
if (scr->is_built_in()) {
// TODO: It would be nice to do it more efficiently than loading the whole scene again.
Ref<PackedScene> scene = ResourceLoader::load(scr->get_path().get_slice("::", 0), "", ResourceFormatLoader::CACHE_MODE_IGNORE_DEEP);
ERR_CONTINUE(scene.is_null());
Ref<SceneState> state = scene->get_state();
Ref<GDScript> fresh = state->get_sub_resource(scr->get_path());
ERR_CONTINUE(fresh.is_null());
scr->set_source_code(fresh->get_source_code());
} else {
scr->load_source_code(scr->get_path());
}
scr->reload(p_soft_reload);
//restore state if saved
for (KeyValue<ObjectID, List<Pair<StringName, Variant>>> &F : E.value) {
List<Pair<StringName, Variant>> &saved_state = F.value;
Object *obj = ObjectDB::get_instance(F.key);
if (!obj) {
continue;
}
if (!p_soft_reload) {
//clear it just in case (may be a pending reload state)
obj->set_script(Variant());
}
obj->set_script(scr);
ScriptInstance *script_inst = obj->get_script_instance();
if (!script_inst) {
//failed, save reload state for next time if not saved
if (!scr->pending_reload_state.has(obj->get_instance_id())) {
scr->pending_reload_state[obj->get_instance_id()] = saved_state;
}
continue;
}
if (script_inst->is_placeholder() && scr->is_placeholder_fallback_enabled()) {
PlaceHolderScriptInstance *placeholder = static_cast<PlaceHolderScriptInstance *>(script_inst);
for (List<Pair<StringName, Variant>>::Element *G = saved_state.front(); G; G = G->next()) {
placeholder->property_set_fallback(G->get().first, G->get().second);
}
} else {
for (List<Pair<StringName, Variant>>::Element *G = saved_state.front(); G; G = G->next()) {
script_inst->set(G->get().first, G->get().second);
}
}
scr->pending_reload_state.erase(obj->get_instance_id()); //as it reloaded, remove pending state
}
//if instance states were saved, set them!
}
#endif // DEBUG_ENABLED
}
void GDScriptLanguage::reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) {
Array scripts;
scripts.push_back(p_script);
reload_scripts(scripts, p_soft_reload);
}
void GDScriptLanguage::frame() {
#ifdef DEBUG_ENABLED
if (profiling) {
MutexLock lock(mutex);
SelfList<GDScriptFunction> *elem = function_list.first();
while (elem) {
elem->self()->profile.last_frame_call_count = elem->self()->profile.frame_call_count.get();
elem->self()->profile.last_frame_self_time = elem->self()->profile.frame_self_time.get();
elem->self()->profile.last_frame_total_time = elem->self()->profile.frame_total_time.get();
elem->self()->profile.last_native_calls = elem->self()->profile.native_calls;
elem->self()->profile.frame_call_count.set(0);
elem->self()->profile.frame_self_time.set(0);
elem->self()->profile.frame_total_time.set(0);
elem->self()->profile.native_calls.clear();
elem = elem->next();
}
}
#endif
}
/* EDITOR FUNCTIONS */
void GDScriptLanguage::get_reserved_words(List<String> *p_words) const {
// Please keep alphabetical order within categories.
static const char *_reserved_words[] = {
// Control flow.
"break",
"continue",
"elif",
"else",
"for",
"if",
"match",
"pass",
"return",
"when",
"while",
// Declarations.
"class",
"class_name",
"const",
"enum",
"extends",
"func",
"namespace", // Reserved for potential future use.
"signal",
"static",
"trait", // Reserved for potential future use.
"var",
// Other keywords.
"await",
"breakpoint",
"self",
"super",
"yield", // Reserved for potential future use.
// Operators.
"and",
"as",
"in",
"is",
"not",
"or",
// Special values (tokenizer treats them as literals, not as tokens).
"false",
"null",
"true",
// Constants.
"INF",
"NAN",
"PI",
"TAU",
// Functions (highlighter uses global function color instead).
"assert",
"preload",
// Types (highlighter uses type color instead).
"void",
nullptr,
};
const char **w = _reserved_words;
while (*w) {
p_words->push_back(*w);
w++;
}
}
bool GDScriptLanguage::is_control_flow_keyword(const String &p_keyword) const {
// Please keep alphabetical order.
return p_keyword == "break" ||
p_keyword == "continue" ||
p_keyword == "elif" ||
p_keyword == "else" ||
p_keyword == "for" ||
p_keyword == "if" ||
p_keyword == "match" ||
p_keyword == "pass" ||
p_keyword == "return" ||
p_keyword == "when" ||
p_keyword == "while";
}
bool GDScriptLanguage::handles_global_class_type(const String &p_type) const {
return p_type == "GDScript";
}
String GDScriptLanguage::get_global_class_name(const String &p_path, String *r_base_type, String *r_icon_path, bool *r_is_abstract, bool *r_is_tool) const {
Error err;
Ref<FileAccess> f = FileAccess::open(p_path, FileAccess::READ, &err);
if (err) {
return String();
}
String source = f->get_as_utf8_string();
GDScriptParser parser;
err = parser.parse(source, p_path, false, false);
const GDScriptParser::ClassNode *c = parser.get_tree();
if (!c) {
return String(); // No class parsed.
}
/* **WARNING**
*
* This function is written with the goal to be *extremely* error tolerant, as such
* it should meet the following requirements:
*
* - It must not rely on the analyzer (in fact, the analyzer must not be used here),
* because at the time global classes are parsed, the dependencies may not be present
* yet, hence the function will fail (which is unintended).
* - It must not fail even if the parsing fails, because even if the file is broken,
* it should attempt its best to retrieve the inheritance metadata.
*
* Before changing this function, please ask the current maintainer of EditorFileSystem.
*/
if (r_base_type) {
const GDScriptParser::ClassNode *subclass = c;
String path = p_path;
GDScriptParser subparser;
while (subclass) {
if (subclass->extends_used) {
if (!subclass->extends_path.is_empty()) {
if (subclass->extends.size() == 0) {
get_global_class_name(subclass->extends_path, r_base_type);
subclass = nullptr;
break;
} else {
Vector<GDScriptParser::IdentifierNode *> extend_classes = subclass->extends;
Ref<FileAccess> subfile = FileAccess::open(subclass->extends_path, FileAccess::READ);
if (subfile.is_null()) {
break;
}
String subsource = subfile->get_as_utf8_string();
if (subsource.is_empty()) {
break;
}
String subpath = subclass->extends_path;
if (subpath.is_relative_path()) {
subpath = path.get_base_dir().path_join(subpath).simplify_path();
}
if (OK != subparser.parse(subsource, subpath, false)) {
break;
}
path = subpath;
subclass = subparser.get_tree();
while (extend_classes.size() > 0) {
bool found = false;
for (int i = 0; i < subclass->members.size(); i++) {
if (subclass->members[i].type != GDScriptParser::ClassNode::Member::CLASS) {
continue;
}
const GDScriptParser::ClassNode *inner_class = subclass->members[i].m_class;
if (inner_class->identifier->name == extend_classes[0]->name) {
extend_classes.remove_at(0);
found = true;
subclass = inner_class;
break;
}
}
if (!found) {
subclass = nullptr;
break;
}
}
}
} else if (subclass->extends.size() == 1) {
*r_base_type = subclass->extends[0]->name;
subclass = nullptr;
} else {
break;
}
} else {
*r_base_type = "RefCounted";
subclass = nullptr;
}
}
}
if (r_icon_path) {
*r_icon_path = c->simplified_icon_path;
}
if (r_is_abstract) {
*r_is_abstract = false;
}
if (r_is_tool) {
*r_is_tool = parser.is_tool();
}
return c->identifier != nullptr ? String(c->identifier->name) : String();
}
thread_local GDScriptLanguage::CallStack GDScriptLanguage::_call_stack;
GDScriptLanguage::GDScriptLanguage() {
ERR_FAIL_COND(singleton);
singleton = this;
strings._init = StaticCString::create("_init");
strings._static_init = StaticCString::create("_static_init");
strings._notification = StaticCString::create("_notification");
strings._set = StaticCString::create("_set");
strings._get = StaticCString::create("_get");
strings._get_property_list = StaticCString::create("_get_property_list");
strings._validate_property = StaticCString::create("_validate_property");
strings._property_can_revert = StaticCString::create("_property_can_revert");
strings._property_get_revert = StaticCString::create("_property_get_revert");
strings._script_source = StaticCString::create("script/source");
_debug_parse_err_line = -1;
_debug_parse_err_file = "";
#ifdef DEBUG_ENABLED
profiling = false;
profile_native_calls = false;
script_frame_time = 0;
#endif
int dmcs = GLOBAL_DEF(PropertyInfo(Variant::INT, "debug/settings/gdscript/max_call_stack", PROPERTY_HINT_RANGE, "512," + itos(GDScriptFunction::MAX_CALL_DEPTH - 1) + ",1"), 1024);
if (EngineDebugger::is_active()) {
//debugging enabled!
_debug_max_call_stack = dmcs;
} else {
_debug_max_call_stack = 0;
}
#ifdef DEBUG_ENABLED
GLOBAL_DEF("debug/gdscript/warnings/enable", true);
GLOBAL_DEF("debug/gdscript/warnings/exclude_addons", true);
GLOBAL_DEF("debug/gdscript/warnings/renamed_in_godot_4_hint", true);
for (int i = 0; i < (int)GDScriptWarning::WARNING_MAX; i++) {
GDScriptWarning::Code code = (GDScriptWarning::Code)i;
Variant default_enabled = GDScriptWarning::get_default_value(code);
String path = GDScriptWarning::get_settings_path_from_code(code);
GLOBAL_DEF(GDScriptWarning::get_property_info(code), default_enabled);
}
#endif // DEBUG_ENABLED
}
GDScriptLanguage::~GDScriptLanguage() {
singleton = nullptr;
}
void GDScriptLanguage::add_orphan_subclass(const String &p_qualified_name, const ObjectID &p_subclass) {
orphan_subclasses[p_qualified_name] = p_subclass;
}
Ref<GDScript> GDScriptLanguage::get_orphan_subclass(const String &p_qualified_name) {
HashMap<String, ObjectID>::Iterator orphan_subclass_element = orphan_subclasses.find(p_qualified_name);
if (!orphan_subclass_element) {
return Ref<GDScript>();
}
ObjectID orphan_subclass = orphan_subclass_element->value;
Object *obj = ObjectDB::get_instance(orphan_subclass);
orphan_subclasses.remove(orphan_subclass_element);
if (!obj) {
return Ref<GDScript>();
}
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();
if (scr->fully_qualified_name == p_name) {
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) {
Error err;
bool ignoring = p_cache_mode == CACHE_MODE_IGNORE || p_cache_mode == CACHE_MODE_IGNORE_DEEP;
Ref<GDScript> scr = GDScriptCache::get_full_script(p_original_path, err, "", ignoring);
if (err && scr.is_valid()) {
// If !scr.is_valid(), the error was likely from scr->load_source_code(), which already generates an error.
ERR_PRINT_ED(vformat(R"(Failed to load script "%s" with error "%s".)", p_original_path, error_names[err]));
}
if (r_error) {
// Don't fail loading because of parsing error.
*r_error = scr.is_valid() ? OK : err;
}
return scr;
}
void ResourceFormatLoaderGDScript::get_recognized_extensions(List<String> *p_extensions) const {
p_extensions->push_back("gd");
p_extensions->push_back("gdc");
}
bool ResourceFormatLoaderGDScript::handles_type(const String &p_type) const {
return (p_type == "Script" || p_type == "GDScript");
}
String ResourceFormatLoaderGDScript::get_resource_type(const String &p_path) const {
String el = p_path.get_extension().to_lower();
if (el == "gd" || el == "gdc") {
return "GDScript";
}
return "";
}
void ResourceFormatLoaderGDScript::get_dependencies(const String &p_path, List<String> *p_dependencies, bool p_add_types) {
Ref<FileAccess> file = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_MSG(file.is_null(), "Cannot open file '" + p_path + "'.");
String source = file->get_as_utf8_string();
if (source.is_empty()) {
return;
}
GDScriptParser parser;
if (OK != parser.parse(source, p_path, false)) {
return;
}
for (const String &E : parser.get_dependencies()) {
p_dependencies->push_back(E);
}
}
void ResourceFormatLoaderGDScript::get_classes_used(const String &p_path, HashSet<StringName> *r_classes) {
Ref<GDScript> scr = ResourceLoader::load(p_path);
if (scr.is_null()) {
return;
}
const String source = scr->get_source_code();
GDScriptTokenizerText tokenizer;
tokenizer.set_source_code(source);
GDScriptTokenizer::Token current = tokenizer.scan();
while (current.type != GDScriptTokenizer::Token::TK_EOF) {
if (!current.is_identifier()) {
current = tokenizer.scan();
continue;
}
int insert_idx = 0;
for (int i = 0; i < current.start_line - 1; i++) {
insert_idx = source.find("\n", insert_idx) + 1;
}
// Insert the "cursor" character, needed for the lookup to work.
const String source_with_cursor = source.insert(insert_idx + current.start_column, String::chr(0xFFFF));
ScriptLanguage::LookupResult result;
if (scr->get_language()->lookup_code(source_with_cursor, current.get_identifier(), p_path, nullptr, result) == OK) {
if (!result.class_name.is_empty() && ClassDB::class_exists(result.class_name)) {
r_classes->insert(result.class_name);
}
if (result.type == ScriptLanguage::LOOKUP_RESULT_CLASS_PROPERTY) {
PropertyInfo prop;
if (ClassDB::get_property_info(result.class_name, result.class_member, &prop)) {
if (!prop.class_name.is_empty() && ClassDB::class_exists(prop.class_name)) {
r_classes->insert(prop.class_name);
}
if (!prop.hint_string.is_empty() && ClassDB::class_exists(prop.hint_string)) {
r_classes->insert(prop.hint_string);
}
}
} else if (result.type == ScriptLanguage::LOOKUP_RESULT_CLASS_METHOD) {
MethodInfo met;
if (ClassDB::get_method_info(result.class_name, result.class_member, &met)) {
if (!met.return_val.class_name.is_empty() && ClassDB::class_exists(met.return_val.class_name)) {
r_classes->insert(met.return_val.class_name);
}
if (!met.return_val.hint_string.is_empty() && ClassDB::class_exists(met.return_val.hint_string)) {
r_classes->insert(met.return_val.hint_string);
}
}
}
}
current = tokenizer.scan();
}
}
Error ResourceFormatSaverGDScript::save(const Ref<Resource> &p_resource, const String &p_path, uint32_t p_flags) {
Ref<GDScript> sqscr = p_resource;
ERR_FAIL_COND_V(sqscr.is_null(), ERR_INVALID_PARAMETER);
String source = sqscr->get_source_code();
{
Error err;
Ref<FileAccess> file = FileAccess::open(p_path, FileAccess::WRITE, &err);
ERR_FAIL_COND_V_MSG(err, err, "Cannot save GDScript file '" + p_path + "'.");
file->store_string(source);
if (file->get_error() != OK && file->get_error() != ERR_FILE_EOF) {
return ERR_CANT_CREATE;
}
}
if (ScriptServer::is_reload_scripts_on_save_enabled()) {
GDScriptLanguage::get_singleton()->reload_tool_script(p_resource, true);
}
return OK;
}
void ResourceFormatSaverGDScript::get_recognized_extensions(const Ref<Resource> &p_resource, List<String> *p_extensions) const {
if (Object::cast_to<GDScript>(*p_resource)) {
p_extensions->push_back("gd");
}
}
bool ResourceFormatSaverGDScript::recognize(const Ref<Resource> &p_resource) const {
return Object::cast_to<GDScript>(*p_resource) != nullptr;
}
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