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gdscript.cpp
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gdscript.cpp
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/*************************************************************************/
/* gdscript.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2021 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2021 Godot Engine contributors (cf. AUTHORS.md). */
/* */
/* 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 <stdint.h>
#include "core/config/engine.h"
#include "core/config/project_settings.h"
#include "core/core_constants.h"
#include "core/core_string_names.h"
#include "core/io/file_access.h"
#include "core/io/file_access_encrypted.h"
#include "core/os/os.h"
#include "gdscript_analyzer.h"
#include "gdscript_cache.h"
#include "gdscript_compiler.h"
#include "gdscript_parser.h"
#include "gdscript_warning.h"
#ifdef TESTS_ENABLED
#include "tests/gdscript_test_runner.h"
#endif
///////////////////////////
GDScriptNativeClass::GDScriptNativeClass(const StringName &p_name) {
name = p_name;
}
bool GDScriptNativeClass::_get(const StringName &p_name, Variant &r_ret) const {
bool ok;
int v = ClassDB::get_integer_constant(name, p_name, &ok);
if (ok) {
r_ret = v;
return true;
} else {
return false;
}
}
void GDScriptNativeClass::_bind_methods() {
ClassDB::bind_method(D_METHOD("new"), &GDScriptNativeClass::_new);
}
Variant GDScriptNativeClass::_new() {
Object *o = instantiate();
ERR_FAIL_COND_V_MSG(!o, Variant(), "Class type: '" + String(name) + "' is not instantiable.");
RefCounted *rc = Object::cast_to<RefCounted>(o);
if (rc) {
return REF(rc);
} else {
return o;
}
}
Object *GDScriptNativeClass::instantiate() {
return ClassDB::instantiate(name);
}
void GDScript::_super_implicit_constructor(GDScript *p_script, GDScriptInstance *p_instance, Callable::CallError &r_error) {
GDScript *base = p_script->_base;
if (base != nullptr) {
_super_implicit_constructor(base, p_instance, r_error);
if (r_error.error != Callable::CallError::CALL_OK) {
return;
}
}
p_script->implicit_initializer->call(p_instance, nullptr, 0, r_error);
}
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 (Map<StringName, MemberInfo>::Element *E = member_indices.front(); E; E = E->next()) {
instance->member_indices_cache[E->key()] = E->get().index;
}
#endif
instance->owner->set_script_instance(instance);
/* STEP 2, INITIALIZE AND CONSTRUCT */
{
MutexLock lock(GDScriptLanguage::singleton->lock);
instances.insert(instance->owner);
}
_super_implicit_constructor(this, instance, r_error);
if (r_error.error != Callable::CallError::CALL_OK) {
instance->script = Ref<GDScript>();
instance->owner->set_script_instance(nullptr);
{
MutexLock lock(GDScriptLanguage::singleton->lock);
instances.erase(p_owner);
}
ERR_FAIL_V_MSG(nullptr, "Error constructing a GDScriptInstance.");
}
if (p_argcount < 0) {
return instance;
}
if (initializer != nullptr) {
initializer->call(instance, p_args, p_argcount, r_error);
if (r_error.error != Callable::CallError::CALL_OK) {
instance->script = Ref<GDScript>();
instance->owner->set_script_instance(nullptr);
{
MutexLock lock(GDScriptLanguage::singleton->lock);
instances.erase(p_owner);
}
ERR_FAIL_V_MSG(nullptr, "Error constructing a GDScriptInstance.");
}
}
//@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 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_COND_V_MSG(!owner, Variant(), "Can't inherit from a virtual class.");
RefCounted *r = Object::cast_to<RefCounted>(owner);
if (r) {
ref = REF(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());
#else
return valid;
#endif
}
Ref<Script> GDScript::get_base_script() const {
if (_base) {
return Ref<GDScript>(_base);
} else {
return Ref<Script>();
}
}
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 Map<StringName, GDScriptFunction *>::Element *E = current->member_functions.front(); E; E = E->next()) {
GDScriptFunction *func = E->get();
MethodInfo mi;
mi.name = E->key();
for (int i = 0; i < func->get_argument_count(); i++) {
PropertyInfo arginfo = func->get_argument_type(i);
#ifdef TOOLS_ENABLED
arginfo.name = func->get_argument_name(i);
#endif
mi.arguments.push_back(arginfo);
}
mi.return_val = func->get_return_type();
r_list->push_back(mi);
}
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 (Map<StringName, PropertyInfo>::Element *E = sptr->member_info.front(); E; E = E->next()) {
_GDScriptMemberSort ms;
ERR_CONTINUE(!sptr->member_indices.has(E->key()));
ms.index = sptr->member_indices[E->key()].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_info[msort[i].name]);
}
if (!p_include_base) {
break;
}
sptr = sptr->_base;
}
for (const PropertyInfo &E : props) {
r_list->push_back(E);
}
}
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);
}
MethodInfo GDScript::get_method_info(const StringName &p_method) const {
const Map<StringName, GDScriptFunction *>::Element *E = member_functions.find(p_method);
if (!E) {
return MethodInfo();
}
GDScriptFunction *func = E->get();
MethodInfo mi;
mi.name = E->key();
for (int i = 0; i < func->get_argument_count(); i++) {
mi.arguments.push_back(func->get_argument_type(i));
}
mi.return_val = func->get_return_type();
return mi;
}
bool GDScript::get_property_default_value(const StringName &p_property, Variant &r_value) const {
#ifdef TOOLS_ENABLED
const Map<StringName, Variant>::Element *E = member_default_values_cache.find(p_property);
if (E) {
r_value = E->get();
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) {
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_path(), 1, "Script inherits from native type '" + String(top->native->get_name()) + "', so it can't be instantiated in 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 instantiated in 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->lock);
return instances.has((Object *)p_this);
}
bool GDScript::has_source_code() const {
return source != "";
}
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(Map<StringName, Variant> &values, List<PropertyInfo> &propnames) {
if (base_cache.is_valid()) {
base_cache->_update_exports_values(values, propnames);
}
for (Map<StringName, Variant>::Element *E = member_default_values_cache.front(); E; E = E->next()) {
values[E->key()] = E->get();
}
for (const PropertyInfo &E : members_cache) {
propnames.push_back(E);
}
}
void GDScript::_add_doc(const DocData::ClassDoc &p_inner_class) {
if (_owner) {
_owner->_add_doc(p_inner_class);
} else {
for (int i = 0; i < docs.size(); i++) {
if (docs[i].name == p_inner_class.name) {
docs.remove(i);
break;
}
}
docs.append(p_inner_class);
}
}
void GDScript::_clear_doc() {
docs.clear();
doc = DocData::ClassDoc();
}
void GDScript::_update_doc() {
_clear_doc();
doc.script_path = "\"" + get_path().get_slice("://", 1) + "\"";
if (!name.is_empty()) {
doc.name = name;
} else {
doc.name = doc.script_path;
}
if (_owner) {
doc.name = _owner->doc.name + "." + doc.name;
doc.script_path = doc.script_path + "." + doc.name;
}
doc.is_script_doc = true;
if (base.is_valid() && base->is_valid()) {
if (base->doc.name != String()) {
doc.inherits = base->doc.name;
} else {
doc.inherits = base->get_instance_base_type();
}
} else if (native.is_valid()) {
doc.inherits = native->get_name();
}
doc.brief_description = doc_brief_description;
doc.description = doc_description;
doc.tutorials = doc_tutorials;
for (Map<String, DocData::EnumDoc>::Element *E = doc_enums.front(); E; E = E->next()) {
if (E->value().description != "") {
doc.enums[E->key()] = E->value().description;
}
}
List<MethodInfo> methods;
_get_script_method_list(&methods, false);
for (int i = 0; i < methods.size(); i++) {
// Ignore internal methods.
if (methods[i].name[0] == '@') {
continue;
}
DocData::MethodDoc method_doc;
const String &class_name = methods[i].name;
if (member_functions.has(class_name)) {
GDScriptFunction *fn = member_functions[class_name];
// Change class name if return type is script reference.
GDScriptDataType return_type = fn->get_return_type();
if (return_type.kind == GDScriptDataType::GDSCRIPT) {
methods[i].return_val.class_name = _get_gdscript_reference_class_name(Object::cast_to<GDScript>(return_type.script_type));
}
// Change class name if argument is script reference.
for (int j = 0; j < fn->get_argument_count(); j++) {
GDScriptDataType arg_type = fn->get_argument_type(j);
if (arg_type.kind == GDScriptDataType::GDSCRIPT) {
methods[i].arguments[j].class_name = _get_gdscript_reference_class_name(Object::cast_to<GDScript>(arg_type.script_type));
}
}
}
if (doc_functions.has(methods[i].name)) {
DocData::method_doc_from_methodinfo(method_doc, methods[i], doc_functions[methods[i].name]);
} else {
DocData::method_doc_from_methodinfo(method_doc, methods[i], String());
}
doc.methods.push_back(method_doc);
}
List<PropertyInfo> props;
_get_script_property_list(&props, false);
for (int i = 0; i < props.size(); i++) {
ScriptMemberInfo scr_member_info;
scr_member_info.propinfo = props[i];
scr_member_info.propinfo.usage |= PROPERTY_USAGE_NIL_IS_VARIANT;
if (member_indices.has(props[i].name)) {
const MemberInfo &mi = member_indices[props[i].name];
scr_member_info.setter = mi.setter;
scr_member_info.getter = mi.getter;
if (mi.data_type.kind == GDScriptDataType::GDSCRIPT) {
scr_member_info.propinfo.class_name = _get_gdscript_reference_class_name(
Object::cast_to<GDScript>(mi.data_type.script_type));
}
}
if (member_default_values.has(props[i].name)) {
scr_member_info.has_default_value = true;
scr_member_info.default_value = member_default_values[props[i].name];
}
if (doc_variables.has(props[i].name)) {
scr_member_info.doc_string = doc_variables[props[i].name];
}
DocData::PropertyDoc prop_doc;
DocData::property_doc_from_scriptmemberinfo(prop_doc, scr_member_info);
doc.properties.push_back(prop_doc);
}
List<MethodInfo> signals;
_get_script_signal_list(&signals, false);
for (int i = 0; i < signals.size(); i++) {
DocData::MethodDoc signal_doc;
if (doc_signals.has(signals[i].name)) {
DocData::signal_doc_from_methodinfo(signal_doc, signals[i], signals[i].name);
} else {
DocData::signal_doc_from_methodinfo(signal_doc, signals[i], String());
}
doc.signals.push_back(signal_doc);
}
for (Map<StringName, Variant>::Element *E = constants.front(); E; E = E->next()) {
if (subclasses.has(E->key())) {
continue;
}
// Enums.
bool is_enum = false;
if (E->value().get_type() == Variant::DICTIONARY) {
if (doc_enums.has(E->key())) {
is_enum = true;
for (int i = 0; i < doc_enums[E->key()].values.size(); i++) {
doc_enums[E->key()].values.write[i].enumeration = E->key();
doc.constants.push_back(doc_enums[E->key()].values[i]);
}
}
}
if (!is_enum && doc_enums.has("@unnamed_enums")) {
for (int i = 0; i < doc_enums["@unnamed_enums"].values.size(); i++) {
if (E->key() == doc_enums["@unnamed_enums"].values[i].name) {
is_enum = true;
DocData::ConstantDoc constant_doc;
constant_doc.enumeration = "@unnamed_enums";
DocData::constant_doc_from_variant(constant_doc, E->key(), E->value(), doc_enums["@unnamed_enums"].values[i].description);
doc.constants.push_back(constant_doc);
break;
}
}
}
if (!is_enum) {
DocData::ConstantDoc constant_doc;
String doc_description;
if (doc_constants.has(E->key())) {
doc_description = doc_constants[E->key()];
}
DocData::constant_doc_from_variant(constant_doc, E->key(), E->value(), doc_description);
doc.constants.push_back(constant_doc);
}
}
for (Map<StringName, Ref<GDScript>>::Element *E = subclasses.front(); E; E = E->next()) {
E->get()->_update_doc();
}
_add_doc(doc);
}
#endif
bool GDScript::_update_exports(bool *r_err, bool p_recursive_call, PlaceHolderScriptInstance *p_instance_to_update) {
#ifdef TOOLS_ENABLED
static Vector<GDScript *> base_caches;
if (!p_recursive_call) {
base_caches.clear();
}
base_caches.append(this);
bool changed = false;
if (source_changed_cache) {
source_changed_cache = false;
changed = true;
String basedir = path;
if (basedir == "") {
basedir = get_path();
}
if (basedir != "") {
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>();
}
if (c->extends_used) {
String path = "";
if (String(c->extends_path) != "" && String(c->extends_path) != get_path()) {
path = c->extends_path;
if (path.is_rel_path()) {
String base = get_path();
if (base == "" || base.is_rel_path()) {
ERR_PRINT(("Could not resolve relative path for parent class: " + path).utf8().get_data());
} else {
path = base.get_base_dir().plus_file(path);
}
}
} else if (c->extends.size() != 0) {
const StringName &base = c->extends[0];
if (ScriptServer::is_global_class(base)) {
path = ScriptServer::get_global_class_path(base);
}
}
if (path != "") {
if (path != get_path()) {
Ref<GDScript> bf = ResourceLoader::load(path);
if (bf.is_valid()) {
base_cache = bf;
bf->inheriters_cache.insert(get_instance_id());
}
} else {
ERR_PRINT(("Path extending itself in " + path).utf8().get_data());
}
}
}
members_cache.clear();
member_default_values_cache.clear();
_signals.clear();
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;
if (member.variable->initializer && member.variable->initializer->is_constant) {
default_value = member.variable->initializer->reduced_value;
}
member_default_values_cache[member.variable->identifier->name] = default_value;
} break;
case GDScriptParser::ClassNode::Member::SIGNAL: {
// TODO: Cache this in parser to avoid loops like this.
Vector<StringName> parameters_names;
parameters_names.resize(member.signal->parameters.size());
for (int j = 0; j < member.signal->parameters.size(); j++) {
parameters_names.write[j] = member.signal->parameters[j]->identifier->name;
}
_signals[member.signal->identifier->name] = parameters_names;
} 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
Map<StringName, Variant> values;
List<PropertyInfo> propnames;
_update_exports_values(values, propnames);
if (changed) {
for (Set<PlaceHolderScriptInstance *>::Element *E = placeholders.front(); E; E = E->next()) {
E->get()->update(propnames, values);
}
} else {
p_instance_to_update->update(propnames, values);
}
}
return changed;
#else
return false;
#endif
}
void GDScript::update_exports() {
#ifdef TOOLS_ENABLED
bool cyclic_error = false;
_update_exports(&cyclic_error);
if (cyclic_error) {
return;
}
Set<ObjectID> copy = inheriters_cache; //might get modified
for (Set<ObjectID>::Element *E = copy.front(); E; E = E->next()) {
Object *id = ObjectDB::get_instance(E->get());
GDScript *s = Object::cast_to<GDScript>(id);
if (!s) {
continue;
}
s->update_exports();
}
#endif
}
void GDScript::_set_subclass_path(Ref<GDScript> &p_sc, const String &p_path) {
p_sc->path = p_path;
for (Map<StringName, Ref<GDScript>>::Element *E = p_sc->subclasses.front(); E; E = E->next()) {
_set_subclass_path(E->get(), p_path);
}
}
Error GDScript::reload(bool p_keep_state) {
bool has_instances;
{
MutexLock lock(GDScriptLanguage::singleton->lock);
has_instances = instances.size();
}
ERR_FAIL_COND_V(!p_keep_state && has_instances, ERR_ALREADY_IN_USE);
String basedir = path;
if (basedir == "") {
basedir = get_path();
}
if (basedir != "") {
basedir = basedir.get_base_dir();
}
if (source.find("%BASE%") != -1) {
//loading a template, don't parse
return OK;
}
{
String source_path = path;
if (source_path.is_empty()) {
source_path = get_path();
}
if (!source_path.is_empty()) {
MutexLock lock(GDScriptCache::singleton->lock);
if (!GDScriptCache::singleton->shallow_gdscript_cache.has(source_path)) {
GDScriptCache::singleton->shallow_gdscript_cache[source_path] = this;
}
}
}
valid = false;
GDScriptParser parser;
Error err = parser.parse(source, path, false);
if (err) {
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->debug_break_parse(get_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(), ERR_HANDLER_SCRIPT);
ERR_FAIL_V(ERR_PARSE_ERROR);
}
GDScriptAnalyzer analyzer(&parser);
err = analyzer.analyze();
if (err) {
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->debug_break_parse(get_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(), ERR_HANDLER_SCRIPT);
e = e->next();
}
ERR_FAIL_V(ERR_PARSE_ERROR);
}
bool can_run = ScriptServer::is_scripting_enabled() || parser.is_tool();
GDScriptCompiler compiler;
err = compiler.compile(&parser, this, p_keep_state);
#ifdef TOOLS_ENABLED
_update_doc();
#endif
if (err) {
if (can_run) {
if (EngineDebugger::is_active()) {
GDScriptLanguage::get_singleton()->debug_break_parse(get_path(), compiler.get_error_line(), "Parser Error: " + compiler.get_error());
}
_err_print_error("GDScript::reload", path.is_empty() ? "built-in" : (const char *)path.utf8().get_data(), compiler.get_error_line(), ("Compile Error: " + compiler.get_error()).utf8().get_data(), ERR_HANDLER_SCRIPT);
ERR_FAIL_V(ERR_COMPILATION_FAILED);
} else {
return err;
}
}
#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_path(), warning.start_line, warning.get_name(), warning.get_message(), ERR_HANDLER_WARNING, si);
}
}
#endif
valid = true;
for (Map<StringName, Ref<GDScript>>::Element *E = subclasses.front(); E; E = E->next()) {
_set_subclass_path(E->get(), path);
}
_init_rpc_methods_properties();
return OK;
}
ScriptLanguage *GDScript::get_language() const {
return GDScriptLanguage::get_singleton();
}
void GDScript::get_constants(Map<StringName, Variant> *p_constants) {
if (p_constants) {
for (Map<StringName, Variant>::Element *E = constants.front(); E; E = E->next()) {
(*p_constants)[E->key()] = E->value();
}
}
}
void GDScript::get_members(Set<StringName> *p_members) {
if (p_members) {
for (Set<StringName>::Element *E = members.front(); E; E = E->next()) {
p_members->insert(E->get());
}
}
}
const Vector<MultiplayerAPI::RPCConfig> GDScript::get_rpc_methods() const {
return rpc_functions;
}
Variant GDScript::call(const StringName &p_method, const Variant **p_args, int p_argcount, Callable::CallError &r_error) {
GDScript *top = this;
while (top) {
Map<StringName, GDScriptFunction *>::Element *E = top->member_functions.find(p_method);
if (E) {
ERR_FAIL_COND_V_MSG(!E->get()->is_static(), Variant(), "Can't call non-static function '" + String(p_method) + "' in script.");
return E->get()->call(nullptr, p_args, p_argcount, r_error);
}
top = top->_base;
}
//none found, regular
return Script::call(p_method, p_args, p_argcount, r_error);
}
bool GDScript::_get(const StringName &p_name, Variant &r_ret) const {
{
const GDScript *top = this;
while (top) {
{
const Map<StringName, Variant>::Element *E = top->constants.find(p_name);
if (E) {
r_ret = E->get();
return true;
}
}
{
const Map<StringName, Ref<GDScript>>::Element *E = subclasses.find(p_name);
if (E) {
r_ret = E->get();
return true;
}
}
top = top->_base;
}
if (p_name == GDScriptLanguage::get_singleton()->strings._script_source) {
r_ret = get_source_code();
return true;
}
}
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();
} else {
return false;
}
return true;
}
void GDScript::_get_property_list(List<PropertyInfo> *p_properties) const {
p_properties->push_back(PropertyInfo(Variant::STRING, "script/source", PROPERTY_HINT_NONE, "", PROPERTY_USAGE_NOEDITOR | PROPERTY_USAGE_INTERNAL));
}
void GDScript::_bind_methods() {
ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "new", &GDScript::_new, MethodInfo("new"));
ClassDB::bind_method(D_METHOD("get_as_byte_code"), &GDScript::get_as_byte_code);
}
Vector<uint8_t> GDScript::get_as_byte_code() const {
return Vector<uint8_t>();
};
// TODO: Fully remove this. There's not this kind of "bytecode" anymore.
Error GDScript::load_byte_code(const String &p_path) {
return ERR_COMPILATION_FAILED;
}
Error GDScript::load_source_code(const String &p_path) {
Vector<uint8_t> sourcef;
Error err;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
if (err) {
ERR_FAIL_COND_V(err, err);
}
uint64_t len = f->get_length();
sourcef.resize(len + 1);
uint8_t *w = sourcef.ptrw();
uint64_t r = f->get_buffer(w, len);
f->close();
memdelete(f);
ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
w[len] = 0;