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gdscript.cpp
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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
#include <stdint.h>
///////////////////////////
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;