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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) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 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 "core/engine.h"
#include "core/global_constants.h"
#include "core/io/file_access_encrypted.h"
#include "core/os/file_access.h"
#include "core/os/os.h"
#include "core/project_settings.h"
#include "gdscript_compiler.h"
///////////////////////////
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 = instance();
if (!o) {
ERR_EXPLAIN("Class type: '" + String(name) + "' is not instantiable.");
ERR_FAIL_COND_V(!o, Variant());
}
Reference *ref = Object::cast_to<Reference>(o);
if (ref) {
return REF(ref);
} else {
return o;
}
}
Object *GDScriptNativeClass::instance() {
return ClassDB::instance(name);
}
GDScriptInstance *GDScript::_create_instance(const Variant **p_args, int p_argcount, Object *p_owner, bool p_isref, Variant::CallError &r_error) {
/* STEP 1, CREATE */
GDScriptInstance *instance = memnew(GDScriptInstance);
instance->base_ref = p_isref;
instance->members.resize(member_indices.size());
instance->script = Ref<GDScript>(this);
instance->owner = p_owner;
#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 CONSRTUCT */
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
instances.insert(instance->owner);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
initializer->call(instance, p_args, p_argcount, r_error);
if (r_error.error != Variant::CallError::CALL_OK) {
instance->script = Ref<GDScript>();
instance->owner->set_script_instance(NULL);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
instances.erase(p_owner);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
ERR_FAIL_COND_V(r_error.error != Variant::CallError::CALL_OK, NULL); //error constructing
}
//@TODO make thread safe
return instance;
}
Variant GDScript::_new(const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
/* STEP 1, CREATE */
if (!valid) {
r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
return Variant();
}
r_error.error = Variant::CallError::CALL_OK;
REF ref;
Object *owner = NULL;
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->instance();
} else {
owner = memnew(Reference); //by default, no base means use reference
}
Reference *r = Object::cast_to<Reference>(owner);
if (r) {
ref = REF(r);
}
GDScriptInstance *instance = _create_instance(p_args, p_argcount, owner, r != NULL, 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_instance() 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())
return base->get_instance_base_type();
return StringName();
}
struct _GDScriptMemberSort {
int index;
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> *p_list) const {
for (const Map<StringName, GDScriptFunction *>::Element *E = 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++) {
mi.arguments.push_back(func->get_argument_type(i));
}
mi.return_val = func->get_return_type();
p_list->push_back(mi);
}
}
void GDScript::get_script_property_list(List<PropertyInfo> *p_list) 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.invert();
for (int i = 0; i < msort.size(); i++) {
props.push_front(sptr->member_info[msort[i].name]);
}
sptr = sptr->_base;
}
for (List<PropertyInfo>::Element *E = props.front(); E; E = E->next()) {
p_list->push_back(E->get());
}
}
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 (ScriptDebugger::get_singleton()) {
GDScriptLanguage::get_singleton()->debug_break_parse(get_path(), 0, "Script inherits from native type '" + String(top->native->get_name()) + "', so it can't be instanced in object of type: '" + p_this->get_class() + "'");
}
ERR_EXPLAIN("Script inherits from native type '" + String(top->native->get_name()) + "', so it can't be instanced in object of type: '" + p_this->get_class() + "'");
ERR_FAIL_V(NULL);
}
}
Variant::CallError unchecked_error;
return _create_instance(NULL, 0, p_this, Object::cast_to<Reference>(p_this), 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();
return si;
#else
return NULL;
#endif
}
bool GDScript::instance_has(const Object *p_this) const {
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
bool hasit = instances.has((Object *)p_this);
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
return hasit;
}
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 (List<PropertyInfo>::Element *E = members_cache.front(); E; E = E->next()) {
propnames.push_back(E->get());
}
}
#endif
bool GDScript::_update_exports() {
#ifdef TOOLS_ENABLED
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;
Error err = parser.parse(source, basedir, true, path);
if (err == OK) {
const GDScriptParser::Node *root = parser.get_parse_tree();
ERR_FAIL_COND_V(root->type != GDScriptParser::Node::TYPE_CLASS, false);
const GDScriptParser::ClassNode *c = static_cast<const GDScriptParser::ClassNode *>(root);
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_file) != "" && String(c->extends_file) != get_path()) {
path = c->extends_file;
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_class.size() != 0) {
String base = c->extends_class[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();
for (int i = 0; i < c->variables.size(); i++) {
if (c->variables[i]._export.type == Variant::NIL)
continue;
members_cache.push_back(c->variables[i]._export);
member_default_values_cache[c->variables[i].identifier] = c->variables[i].default_value;
}
_signals.clear();
for (int i = 0; i < c->_signals.size(); i++) {
_signals[c->_signals[i].name] = c->_signals[i].arguments;
}
} else {
for (Set<PlaceHolderScriptInstance *>::Element *E = placeholders.front(); E; E = E->next()) {
E->get()->set_build_failed(true);
}
return false;
}
} else {
if (!valid) {
for (Set<PlaceHolderScriptInstance *>::Element *E = placeholders.front(); E; E = E->next()) {
E->get()->set_build_failed(true);
}
return false;
}
}
if (base_cache.is_valid()) {
if (base_cache->_update_exports()) {
changed = true;
}
}
if (placeholders.size()) { //hm :(
// update placeholders if any
Map<StringName, Variant> values;
List<PropertyInfo> propnames;
_update_exports_values(values, propnames);
for (Set<PlaceHolderScriptInstance *>::Element *E = placeholders.front(); E; E = E->next()) {
E->get()->set_build_failed(false);
E->get()->update(propnames, values);
}
}
return changed;
#else
return false;
#endif
}
void GDScript::update_exports() {
#ifdef TOOLS_ENABLED
_update_exports();
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) {
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->lock();
#endif
bool has_instances = instances.size();
#ifndef NO_THREADS
GDScriptLanguage::singleton->lock->unlock();
#endif
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;
}
valid = false;
GDScriptParser parser;
Error err = parser.parse(source, basedir, false, path);
if (err) {
if (ScriptDebugger::get_singleton()) {
GDScriptLanguage::get_singleton()->debug_break_parse(get_path(), parser.get_error_line(), "Parser Error: " + parser.get_error());
}
_err_print_error("GDScript::reload", path.empty() ? "built-in" : (const char *)path.utf8().get_data(), parser.get_error_line(), ("Parse Error: " + parser.get_error()).utf8().get_data(), ERR_HANDLER_SCRIPT);
ERR_FAIL_V(ERR_PARSE_ERROR);
}
bool can_run = ScriptServer::is_scripting_enabled() || parser.is_tool_script();
GDScriptCompiler compiler;
err = compiler.compile(&parser, this, p_keep_state);
if (err) {
if (can_run) {
if (ScriptDebugger::get_singleton()) {
GDScriptLanguage::get_singleton()->debug_break_parse(get_path(), compiler.get_error_line(), "Parser Error: " + compiler.get_error());
}
_err_print_error("GDScript::reload", path.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;
}
}
#if DEBUG_ENABLED
for (const List<GDScriptWarning>::Element *E = parser.get_warnings().front(); E; E = E->next()) {
const GDScriptWarning &warning = E->get();
if (ScriptDebugger::get_singleton()) {
Vector<ScriptLanguage::StackInfo> si;
ScriptDebugger::get_singleton()->send_error("", get_path(), warning.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);
}
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());
}
}
}
Variant GDScript::call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
GDScript *top = this;
while (top) {
Map<StringName, GDScriptFunction *>::Element *E = top->member_functions.find(p_method);
if (E) {
if (!E->get()->is_static()) {
WARN_PRINT(String("Can't call non-static function: '" + String(p_method) + "' in script.").utf8().get_data());
}
return E->get()->call(NULL, 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(Variant::OBJECT, "new"));
ClassDB::bind_method(D_METHOD("get_as_byte_code"), &GDScript::get_as_byte_code);
}
Vector<uint8_t> GDScript::get_as_byte_code() const {
GDScriptTokenizerBuffer tokenizer;
return tokenizer.parse_code_string(source);
};
Error GDScript::load_byte_code(const String &p_path) {
Vector<uint8_t> bytecode;
if (p_path.ends_with("gde")) {
FileAccess *fa = FileAccess::open(p_path, FileAccess::READ);
ERR_FAIL_COND_V(!fa, ERR_CANT_OPEN);
FileAccessEncrypted *fae = memnew(FileAccessEncrypted);
ERR_FAIL_COND_V(!fae, ERR_CANT_OPEN);
Vector<uint8_t> key;
key.resize(32);
for (int i = 0; i < key.size(); i++) {
key.write[i] = script_encryption_key[i];
}
Error err = fae->open_and_parse(fa, key, FileAccessEncrypted::MODE_READ);
if (err) {
fa->close();
memdelete(fa);
memdelete(fae);
ERR_FAIL_COND_V(err, err);
}
bytecode.resize(fae->get_len());
fae->get_buffer(bytecode.ptrw(), bytecode.size());
fae->close();
memdelete(fae);
} else {
bytecode = FileAccess::get_file_as_array(p_path);
}
ERR_FAIL_COND_V(bytecode.size() == 0, ERR_PARSE_ERROR);
path = p_path;
String basedir = path;
if (basedir == "")
basedir = get_path();
if (basedir != "")
basedir = basedir.get_base_dir();
valid = false;
GDScriptParser parser;
Error err = parser.parse_bytecode(bytecode, basedir, get_path());
if (err) {
_err_print_error("GDScript::load_byte_code", path.empty() ? "built-in" : (const char *)path.utf8().get_data(), parser.get_error_line(), ("Parse Error: " + parser.get_error()).utf8().get_data(), ERR_HANDLER_SCRIPT);
ERR_FAIL_V(ERR_PARSE_ERROR);
}
GDScriptCompiler compiler;
err = compiler.compile(&parser, this);
if (err) {
_err_print_error("GDScript::load_byte_code", path.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);
}
valid = true;
for (Map<StringName, Ref<GDScript> >::Element *E = subclasses.front(); E; E = E->next()) {
_set_subclass_path(E->get(), path);
}
return OK;
}
Error GDScript::load_source_code(const String &p_path) {
PoolVector<uint8_t> sourcef;
Error err;
FileAccess *f = FileAccess::open(p_path, FileAccess::READ, &err);
if (err) {
ERR_FAIL_COND_V(err, err);
}
int len = f->get_len();
sourcef.resize(len + 1);
PoolVector<uint8_t>::Write w = sourcef.write();
int r = f->get_buffer(w.ptr(), len);
f->close();
memdelete(f);
ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);
w[len] = 0;
String s;
if (s.parse_utf8((const char *)w.ptr())) {
ERR_EXPLAIN("Script '" + p_path + "' contains invalid unicode (utf-8), so it was not loaded. Please ensure that scripts are saved in valid utf-8 unicode.");
ERR_FAIL_V(ERR_INVALID_DATA);
}
source = s;
#ifdef TOOLS_ENABLED
source_changed_cache = true;
#endif
path = p_path;
return OK;
}
const Map<StringName, GDScriptFunction *> &GDScript::debug_get_member_functions() const {
return member_functions;
}
StringName GDScript::debug_get_member_by_index(int p_idx) const {
for (const Map<StringName, MemberInfo>::Element *E = member_indices.front(); E; E = E->next()) {
if (E->get().index == p_idx)
return E->key();
}
return "<error>";
}
Ref<GDScript> GDScript::get_base() const {
return base;
}
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_signals) const {
for (const Map<StringName, Vector<StringName> >::Element *E = _signals.front(); E; E = E->next()) {
MethodInfo mi;
mi.name = E->key();
for (int i = 0; i < E->get().size(); i++) {
PropertyInfo arg;
arg.name = E->get()[i];
mi.arguments.push_back(arg);
}
r_signals->push_back(mi);
}
if (base.is_valid()) {
base->get_script_signal_list(r_signals);
}
#ifdef TOOLS_ENABLED
else if (base_cache.is_valid()) {
base_cache->get_script_signal_list(r_signals);
}
#endif
}
GDScript::GDScript() :
script_list(this) {
_static_ref = this;
valid = false;
subclass_count = 0;
initializer = NULL;
_base = NULL;
_owner = NULL;
tool = false;
#ifdef TOOLS_ENABLED
source_changed_cache = false;
#endif
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->lock) {
GDScriptLanguage::get_singleton()->lock->lock();
}
GDScriptLanguage::get_singleton()->script_list.add(&script_list);
if (GDScriptLanguage::get_singleton()->lock) {
GDScriptLanguage::get_singleton()->lock->unlock();
}
#endif
}
GDScript::~GDScript() {
for (Map<StringName, GDScriptFunction *>::Element *E = member_functions.front(); E; E = E->next()) {
memdelete(E->get());
}
for (Map<StringName, Ref<GDScript> >::Element *E = subclasses.front(); E; E = E->next()) {
E->get()->_owner = NULL; //bye, you are no longer owned cause I died
}
#ifdef DEBUG_ENABLED
if (GDScriptLanguage::get_singleton()->lock) {
GDScriptLanguage::get_singleton()->lock->lock();
}
GDScriptLanguage::get_singleton()->script_list.remove(&script_list);
if (GDScriptLanguage::get_singleton()->lock) {
GDScriptLanguage::get_singleton()->lock->unlock();
}
#endif
}
//////////////////////////////
// INSTANCE //
//////////////////////////////
bool GDScriptInstance::set(const StringName &p_name, const Variant &p_value) {
//member
{
const Map<StringName, GDScript::MemberInfo>::Element *E = script->member_indices.find(p_name);
if (E) {
if (E->get().setter) {
const Variant *val = &p_value;
Variant::CallError err;
call(E->get().setter, &val, 1, err);
if (err.error == Variant::CallError::CALL_OK) {
return true; //function exists, call was successful
}
} else {
if (!E->get().data_type.is_type(p_value)) {
return false; // Type mismatch
}
members.write[E->get().index] = p_value;
}
return true;
}
}
GDScript *sptr = script.ptr();
while (sptr) {
Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._set);
if (E) {
Variant name = p_name;
const Variant *args[2] = { &name, &p_value };
Variant::CallError err;
Variant ret = E->get()->call(this, (const Variant **)args, 2, err);
if (err.error == Variant::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 {
const GDScript *sptr = script.ptr();
while (sptr) {
{
const Map<StringName, GDScript::MemberInfo>::Element *E = script->member_indices.find(p_name);
if (E) {
if (E->get().getter) {