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-rw-r--r--modules/gdscript/gdscript.cpp1911
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diff --git a/modules/gdscript/gdscript.cpp b/modules/gdscript/gdscript.cpp
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+++ b/modules/gdscript/gdscript.cpp
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+/*************************************************************************/
+/* gdscript.cpp */
+/*************************************************************************/
+/* This file is part of: */
+/* GODOT ENGINE */
+/* https://godotengine.org */
+/*************************************************************************/
+/* Copyright (c) 2007-2017 Juan Linietsky, Ariel Manzur. */
+/* Copyright (c) 2014-2017 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 "engine.h"
+#include "gdscript_compiler.h"
+#include "global_constants.h"
+#include "io/file_access_encrypted.h"
+#include "os/file_access.h"
+#include "os/os.h"
+#include "project_settings.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 {
+
+ return valid || (!tool && !ScriptServer::is_scripting_enabled());
+}
+
+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()) {
+ MethodInfo mi;
+ mi.name = E->key();
+ for (int i = 0; i < E->get()->get_argument_count(); i++) {
+ PropertyInfo arg;
+ arg.type = Variant::NIL; //variant
+ arg.name = E->get()->get_argument_name(i);
+ mi.arguments.push_back(arg);
+ }
+
+ mi.return_val.name = "Variant";
+ 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();
+
+ MethodInfo mi;
+ mi.name = E->key();
+ for (int i = 0; i < E->get()->get_argument_count(); i++) {
+ PropertyInfo arg;
+ arg.type = Variant::NIL; //variant
+ arg.name = E->get()->get_argument_name(i);
+ mi.arguments.push_back(arg);
+ }
+
+ mi.return_val.name = "Variant";
+ return mi;
+}
+
+bool GDScript::get_property_default_value(const StringName &p_property, Variant &r_value) const {
+
+#ifdef TOOLS_ENABLED
+
+ /*
+ for (const Map<StringName,Variant>::Element *I=member_default_values.front();I;I=I->next()) {
+ print_line("\t"+String(String(I->key())+":"+String(I->get())));
+ }
+ */
+ 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) {
+
+ if (!tool && !ScriptServer::is_scripting_enabled()) {
+
+#ifdef TOOLS_ENABLED
+
+ //instance a fake script for editing the values
+ //plist.invert();
+
+ /*print_line("CREATING PLACEHOLDER");
+ for(List<PropertyInfo>::Element *E=plist.front();E;E=E->next()) {
+ print_line(E->get().name);
+ }*/
+ PlaceHolderScriptInstance *si = memnew(PlaceHolderScriptInstance(GDScriptLanguage::get_singleton(), Ref<Script>(this), p_this));
+ placeholders.insert(si);
+ //_update_placeholder(si);
+ _update_exports();
+ return si;
+#else
+ return NULL;
+#endif
+ }
+
+ 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);
+}
+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) {
+ //print_line("updating source for "+get_path());
+ 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(c->extends_file) != "" && String(c->extends_file) != get_path()) {
+
+ String 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);
+ }
+ }
+
+ if (path != get_path()) {
+
+ Ref<GDScript> bf = ResourceLoader::load(path);
+
+ if (bf.is_valid()) {
+
+ //print_line("parent is: "+bf->get_path());
+ base_cache = bf;
+ bf->inheriters_cache.insert(get_instance_id());
+
+ //bf->_update_exports(p_instances,true,false);
+ }
+ } 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);
+ //print_line("found "+c->variables[i]._export.name);
+ 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 {
+ //print_line("unchanged is "+get_path());
+ }
+
+ if (base_cache.is_valid()) {
+ if (base_cache->_update_exports()) {
+ changed = true;
+ }
+ }
+
+ if (/*changed &&*/ placeholders.size()) { //hm :(
+
+ //print_line("updating placeholders for "+get_path());
+
+ //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()->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
+
+ //print_line("update exports for "+get_path()+" ic: "+itos(copy.size()));
+ 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;
+ }
+ }
+
+ 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();
+}
+
+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));
+}
+
+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[i] = script_encryption_key[i];
+ }
+ Error err = fae->open_and_parse(fa, key, FileAccessEncrypted::MODE_READ);
+ ERR_FAIL_COND_V(err, err);
+ bytecode.resize(fae->get_len());
+ fae->get_buffer(bytecode.ptr(), bytecode.size());
+ 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
+ //print_line("LSC :"+get_path());
+ 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
+ members[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) {
+ Variant::CallError err;
+ r_ret = const_cast<GDScriptInstance *>(this)->call(E->get().getter, NULL, 0, err);
+ if (err.error == Variant::CallError::CALL_OK) {
+ return true;
+ }
+ }
+ r_ret = members[E->get().index];
+ return true; //index found
+ }
+ }
+
+ {
+
+ const GDScript *sl = sptr;
+ while (sl) {
+ const Map<StringName, Variant>::Element *E = sl->constants.find(p_name);
+ if (E) {
+ r_ret = E->get();
+ return true; //index found
+ }
+ sl = sl->_base;
+ }
+ }
+
+ {
+ const Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._get);
+ if (E) {
+
+ Variant name = p_name;
+ const Variant *args[1] = { &name };
+
+ Variant::CallError err;
+ Variant ret = const_cast<GDScriptFunction *>(E->get())->call(const_cast<GDScriptInstance *>(this), (const Variant **)args, 1, err);
+ if (err.error == Variant::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 {
+
+ const GDScript *sptr = script.ptr();
+ while (sptr) {
+
+ if (sptr->member_info.has(p_name)) {
+ if (r_is_valid)
+ *r_is_valid = true;
+ return sptr->member_info[p_name].type;
+ }
+ sptr = sptr->_base;
+ }
+
+ if (r_is_valid)
+ *r_is_valid = false;
+ return Variant::NIL;
+}
+
+void GDScriptInstance::get_property_list(List<PropertyInfo> *p_properties) const {
+ // exported members, not doen yet!
+
+ const GDScript *sptr = script.ptr();
+ List<PropertyInfo> props;
+
+ while (sptr) {
+
+ const Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._get_property_list);
+ if (E) {
+
+ Variant::CallError err;
+ Variant ret = const_cast<GDScriptFunction *>(E->get())->call(const_cast<GDScriptInstance *>(this), NULL, 0, err);
+ if (err.error == Variant::CallError::CALL_OK) {
+
+ if (ret.get_type() != Variant::ARRAY) {
+
+ ERR_EXPLAIN("Wrong type for _get_property list, must be an array of dictionaries.");
+ ERR_FAIL();
+ }
+ 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.type = Variant::Type(d["type"].operator int());
+ ERR_CONTINUE(pinfo.type < 0 || pinfo.type >= Variant::VARIANT_MAX);
+ pinfo.name = d["name"];
+ ERR_CONTINUE(pinfo.name == "");
+ 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"];
+
+ props.push_back(pinfo);
+ }
+ }
+ }
+
+ //instance a fake script for editing the values
+
+ 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_properties->push_back(E->get());
+ }
+}
+
+void GDScriptInstance::get_method_list(List<MethodInfo> *p_list) const {
+
+ const GDScript *sptr = script.ptr();
+ while (sptr) {
+
+ for (Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.front(); E; E = E->next()) {
+
+ MethodInfo mi;
+ mi.name = E->key();
+ mi.flags |= METHOD_FLAG_FROM_SCRIPT;
+ for (int i = 0; i < E->get()->get_argument_count(); i++)
+ mi.arguments.push_back(PropertyInfo(Variant::NIL, "arg" + itos(i)));
+ p_list->push_back(mi);
+ }
+ sptr = sptr->_base;
+ }
+}
+
+bool GDScriptInstance::has_method(const StringName &p_method) const {
+
+ const GDScript *sptr = script.ptr();
+ while (sptr) {
+ const Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(p_method);
+ if (E)
+ return true;
+ sptr = sptr->_base;
+ }
+
+ return false;
+}
+Variant GDScriptInstance::call(const StringName &p_method, const Variant **p_args, int p_argcount, Variant::CallError &r_error) {
+
+ //printf("calling %ls:%i method %ls\n", script->get_path().c_str(), -1, String(p_method).c_str());
+
+ GDScript *sptr = script.ptr();
+ while (sptr) {
+ Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(p_method);
+ if (E) {
+ return E->get()->call(this, p_args, p_argcount, r_error);
+ }
+ sptr = sptr->_base;
+ }
+ r_error.error = Variant::CallError::CALL_ERROR_INVALID_METHOD;
+ return Variant();
+}
+
+void GDScriptInstance::call_multilevel(const StringName &p_method, const Variant **p_args, int p_argcount) {
+
+ GDScript *sptr = script.ptr();
+ Variant::CallError ce;
+
+ while (sptr) {
+ Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(p_method);
+ if (E) {
+ E->get()->call(this, p_args, p_argcount, ce);
+ }
+ sptr = sptr->_base;
+ }
+}
+
+void GDScriptInstance::_ml_call_reversed(GDScript *sptr, const StringName &p_method, const Variant **p_args, int p_argcount) {
+
+ if (sptr->_base)
+ _ml_call_reversed(sptr->_base, p_method, p_args, p_argcount);
+
+ Variant::CallError ce;
+
+ Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(p_method);
+ if (E) {
+ E->get()->call(this, p_args, p_argcount, ce);
+ }
+}
+
+void GDScriptInstance::call_multilevel_reversed(const StringName &p_method, const Variant **p_args, int p_argcount) {
+
+ if (script.ptr()) {
+ _ml_call_reversed(script.ptr(), p_method, p_args, p_argcount);
+ }
+}
+
+void GDScriptInstance::notification(int p_notification) {
+
+ //notification is not virtual, it gets called at ALL levels just like in C.
+ Variant value = p_notification;
+ const Variant *args[1] = { &value };
+
+ GDScript *sptr = script.ptr();
+ while (sptr) {
+ Map<StringName, GDScriptFunction *>::Element *E = sptr->member_functions.find(GDScriptLanguage::get_singleton()->strings._notification);
+ if (E) {
+ Variant::CallError err;
+ E->get()->call(this, args, 1, err);
+ if (err.error != Variant::CallError::CALL_OK) {
+ //print error about notification call
+ }
+ }
+ sptr = sptr->_base;
+ }
+}
+
+Ref<Script> GDScriptInstance::get_script() const {
+
+ return script;
+}
+
+ScriptLanguage *GDScriptInstance::get_language() {
+
+ return GDScriptLanguage::get_singleton();
+}
+
+GDScriptInstance::RPCMode GDScriptInstance::get_rpc_mode(const StringName &p_method) const {
+
+ const GDScript *cscript = script.ptr();
+
+ while (cscript) {
+ const Map<StringName, GDScriptFunction *>::Element *E = cscript->member_functions.find(p_method);
+ if (E) {
+
+ if (E->get()->get_rpc_mode() != RPC_MODE_DISABLED) {
+ return E->get()->get_rpc_mode();
+ }
+ }
+ cscript = cscript->_base;
+ }
+
+ return RPC_MODE_DISABLED;
+}
+
+GDScriptInstance::RPCMode GDScriptInstance::get_rset_mode(const StringName &p_variable) const {
+
+ const GDScript *cscript = script.ptr();
+
+ while (cscript) {
+ const Map<StringName, GDScript::MemberInfo>::Element *E = cscript->member_indices.find(p_variable);
+ if (E) {
+
+ if (E->get().rpc_mode) {
+ return E->get().rpc_mode;
+ }
+ }
+ cscript = cscript->_base;
+ }
+
+ return RPC_MODE_DISABLED;
+}
+
+void GDScriptInstance::reload_members() {
+
+#ifdef DEBUG_ENABLED
+
+ members.resize(script->member_indices.size()); //resize
+
+ Vector<Variant> new_members;
+ new_members.resize(script->member_indices.size());
+
+ //pass the values to the new indices
+ for (Map<StringName, GDScript::MemberInfo>::Element *E = script->member_indices.front(); E; E = E->next()) {
+
+ if (member_indices_cache.has(E->key())) {
+ Variant value = members[member_indices_cache[E->key()]];
+ new_members[E->get().index] = value;
+ }
+ }
+
+ //apply
+ members = new_members;
+
+ //pass the values to the new indices
+ member_indices_cache.clear();
+ for (Map<StringName, GDScript::MemberInfo>::Element *E = script->member_indices.front(); E; E = E->next()) {
+
+ member_indices_cache[E->key()] = E->get().index;
+ }
+
+#endif
+}
+
+GDScriptInstance::GDScriptInstance() {
+ owner = NULL;
+ base_ref = false;
+}
+
+GDScriptInstance::~GDScriptInstance() {
+ if (script.is_valid() && owner) {
+#ifndef NO_THREADS
+ GDScriptLanguage::singleton->lock->lock();
+#endif
+
+ script->instances.erase(owner);
+#ifndef NO_THREADS
+ GDScriptLanguage::singleton->lock->unlock();
+#endif
+ }
+}
+
+/************* SCRIPT LANGUAGE **************/
+
+GDScriptLanguage *GDScriptLanguage::singleton = NULL;
+
+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[globals[p_name]] = p_value;
+ return;
+ }
+ globals[p_name] = global_array.size();
+ global_array.push_back(p_value);
+ _global_array = global_array.ptr();
+}
+
+void GDScriptLanguage::add_global_constant(const StringName &p_variable, const Variant &p_value) {
+
+ _add_global(p_variable, p_value);
+}
+
+void GDScriptLanguage::init() {
+
+ //populate global constants
+ int gcc = GlobalConstants::get_global_constant_count();
+ for (int i = 0; i < gcc; i++) {
+
+ _add_global(StaticCString::create(GlobalConstants::get_global_constant_name(i)), GlobalConstants::get_global_constant_value(i));
+ }
+
+ _add_global(StaticCString::create("PI"), Math_PI);
+ _add_global(StaticCString::create("TAU"), Math_TAU);
+ _add_global(StaticCString::create("INF"), Math_INF);
+ _add_global(StaticCString::create("NAN"), Math_NAN);
+
+ //populate native classes
+
+ List<StringName> class_list;
+ ClassDB::get_class_list(&class_list);
+ for (List<StringName>::Element *E = class_list.front(); E; E = E->next()) {
+
+ StringName n = E->get();
+ String s = String(n);
+ if (s.begins_with("_"))
+ n = s.substr(1, s.length());
+
+ if (globals.has(n))
+ continue;
+ Ref<GDScriptNativeClass> nc = memnew(GDScriptNativeClass(E->get()));
+ _add_global(n, nc);
+ }
+
+ //populate singletons
+
+ List<Engine::Singleton> singletons;
+ Engine::get_singleton()->get_singletons(&singletons);
+ for (List<Engine::Singleton>::Element *E = singletons.front(); E; E = E->next()) {
+
+ _add_global(E->get().name, E->get().ptr);
+ }
+}
+
+String GDScriptLanguage::get_type() const {
+
+ return "GDScript";
+}
+String GDScriptLanguage::get_extension() const {
+
+ return "gd";
+}
+Error GDScriptLanguage::execute_file(const String &p_path) {
+
+ // ??
+ return OK;
+}
+void GDScriptLanguage::finish() {
+}
+
+void GDScriptLanguage::profiling_start() {
+
+#ifdef DEBUG_ENABLED
+ if (lock) {
+ lock->lock();
+ }
+
+ SelfList<GDScriptFunction> *elem = function_list.first();
+ while (elem) {
+ elem->self()->profile.call_count = 0;
+ elem->self()->profile.self_time = 0;
+ elem->self()->profile.total_time = 0;
+ elem->self()->profile.frame_call_count = 0;
+ elem->self()->profile.frame_self_time = 0;
+ elem->self()->profile.frame_total_time = 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 = elem->next();
+ }
+
+ profiling = true;
+ if (lock) {
+ lock->unlock();
+ }
+
+#endif
+}
+
+void GDScriptLanguage::profiling_stop() {
+
+#ifdef DEBUG_ENABLED
+ if (lock) {
+ lock->lock();
+ }
+
+ profiling = false;
+ if (lock) {
+ lock->unlock();
+ }
+
+#endif
+}
+
+int GDScriptLanguage::profiling_get_accumulated_data(ProfilingInfo *p_info_arr, int p_info_max) {
+
+ int current = 0;
+#ifdef DEBUG_ENABLED
+ if (lock) {
+ lock->lock();
+ }
+
+ SelfList<GDScriptFunction> *elem = function_list.first();
+ while (elem) {
+ if (current >= p_info_max)
+ break;
+ p_info_arr[current].call_count = elem->self()->profile.call_count;
+ p_info_arr[current].self_time = elem->self()->profile.self_time;
+ p_info_arr[current].total_time = elem->self()->profile.total_time;
+ p_info_arr[current].signature = elem->self()->profile.signature;
+ elem = elem->next();
+ current++;
+ }
+
+ if (lock) {
+ lock->unlock();
+ }
+
+#endif
+
+ return current;
+}
+
+int GDScriptLanguage::profiling_get_frame_data(ProfilingInfo *p_info_arr, int p_info_max) {
+
+ int current = 0;
+
+#ifdef DEBUG_ENABLED
+ if (lock) {
+ lock->lock();
+ }
+
+ SelfList<GDScriptFunction> *elem = function_list.first();
+ while (elem) {
+ if (current >= p_info_max)
+ break;
+ if (elem->self()->profile.last_frame_call_count > 0) {
+ 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;
+ //print_line(String(elem->self()->profile.signature)+": "+itos(elem->self()->profile.last_frame_call_count));
+ current++;
+ }
+ elem = elem->next();
+ }
+
+ if (lock) {
+ lock->unlock();
+ }
+
+#endif
+
+ return current;
+}
+
+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_line("RELOAD ALL SCRIPTS");
+ if (lock) {
+ lock->lock();
+ }
+
+ List<Ref<GDScript> > scripts;
+
+ SelfList<GDScript> *elem = script_list.first();
+ while (elem) {
+ if (elem->self()->get_path().is_resource_file()) {
+ print_line("FOUND: " + elem->self()->get_path());
+ scripts.push_back(Ref<GDScript>(elem->self())); //cast to gdscript to avoid being erased by accident
+ }
+ elem = elem->next();
+ }
+
+ if (lock) {
+ lock->unlock();
+ }
+
+ //as scripts are going to be reloaded, must proceed without locking here
+
+ scripts.sort_custom<GDScriptDepSort>(); //update in inheritance dependency order
+
+ for (List<Ref<GDScript> >::Element *E = scripts.front(); E; E = E->next()) {
+
+ print_line("RELOADING: " + E->get()->get_path());
+ E->get()->load_source_code(E->get()->get_path());
+ E->get()->reload(true);
+ }
+#endif
+}
+
+void GDScriptLanguage::reload_tool_script(const Ref<Script> &p_script, bool p_soft_reload) {
+
+#ifdef DEBUG_ENABLED
+
+ if (lock) {
+ lock->lock();
+ }
+
+ List<Ref<GDScript> > scripts;
+
+ SelfList<GDScript> *elem = script_list.first();
+ while (elem) {
+ if (elem->self()->get_path().is_resource_file()) {
+
+ scripts.push_back(Ref<GDScript>(elem->self())); //cast to gdscript to avoid being erased by accident
+ }
+ elem = elem->next();
+ }
+
+ if (lock) {
+ lock->unlock();
+ }
+
+ //when someone asks you why dynamically typed languages are easier to write....
+
+ Map<Ref<GDScript>, Map<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 (List<Ref<GDScript> >::Element *E = scripts.front(); E; E = E->next()) {
+
+ bool reload = E->get() == p_script || to_reload.has(E->get()->get_base());
+
+ if (!reload)
+ continue;
+
+ to_reload.insert(E->get(), Map<ObjectID, List<Pair<StringName, Variant> > >());
+
+ if (!p_soft_reload) {
+
+ //save state and remove script from instances
+ Map<ObjectID, List<Pair<StringName, Variant> > > &map = to_reload[E->get()];
+
+ while (E->get()->instances.front()) {
+ Object *obj = E->get()->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(RefPtr());
+ }
+ }
+
+//same thing for placeholders
+#ifdef TOOLS_ENABLED
+
+ while (E->get()->placeholders.size()) {
+ Object *obj = E->get()->placeholders.front()->get()->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(RefPtr());
+ } else {
+ // no instance found. Let's remove it so we don't loop forever
+ E->get()->placeholders.erase(E->get()->placeholders.front()->get());
+ }
+ }
+
+#endif
+
+ for (Map<ObjectID, List<Pair<StringName, Variant> > >::Element *F = E->get()->pending_reload_state.front(); F; F = F->next()) {
+ map[F->key()] = F->get(); //pending to reload, use this one instead
+ }
+ }
+ }
+
+ for (Map<Ref<GDScript>, Map<ObjectID, List<Pair<StringName, Variant> > > >::Element *E = to_reload.front(); E; E = E->next()) {
+
+ Ref<GDScript> scr = E->key();
+ scr->reload(p_soft_reload);
+
+ //restore state if saved
+ for (Map<ObjectID, List<Pair<StringName, Variant> > >::Element *F = E->get().front(); F; F = F->next()) {
+
+ 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(RefPtr());
+ }
+ obj->set_script(scr.get_ref_ptr());
+ if (!obj->get_script_instance()) {
+ //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()] = F->get();
+ }
+ continue;
+ }
+
+ for (List<Pair<StringName, Variant> >::Element *G = F->get().front(); G; G = G->next()) {
+ obj->get_script_instance()->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
+}
+
+void GDScriptLanguage::frame() {
+
+ //print_line("calls: "+itos(calls));
+ calls = 0;
+
+#ifdef DEBUG_ENABLED
+ if (profiling) {
+ if (lock) {
+ lock->lock();
+ }
+
+ SelfList<GDScriptFunction> *elem = function_list.first();
+ while (elem) {
+ elem->self()->profile.last_frame_call_count = elem->self()->profile.frame_call_count;
+ elem->self()->profile.last_frame_self_time = elem->self()->profile.frame_self_time;
+ elem->self()->profile.last_frame_total_time = elem->self()->profile.frame_total_time;
+ elem->self()->profile.frame_call_count = 0;
+ elem->self()->profile.frame_self_time = 0;
+ elem->self()->profile.frame_total_time = 0;
+ elem = elem->next();
+ }
+
+ if (lock) {
+ lock->unlock();
+ }
+ }
+
+#endif
+}
+
+/* EDITOR FUNCTIONS */
+void GDScriptLanguage::get_reserved_words(List<String> *p_words) const {
+
+ static const char *_reserved_words[] = {
+ // operators
+ "and",
+ "in",
+ "not",
+ "or",
+ // types and values
+ "false",
+ "float",
+ "int",
+ "bool",
+ "null",
+ "PI",
+ "TAU",
+ "INF",
+ "NAN",
+ "self",
+ "true",
+ // functions
+ "assert",
+ "breakpoint",
+ "class",
+ "extends",
+ "is",
+ "func",
+ "preload",
+ "setget",
+ "signal",
+ "tool",
+ "yield",
+ // var
+ "const",
+ "enum",
+ "export",
+ "onready",
+ "static",
+ "var",
+ // control flow
+ "break",
+ "continue",
+ "if",
+ "elif",
+ "else",
+ "for",
+ "pass",
+ "return",
+ "match",
+ "while",
+ "remote",
+ "sync",
+ "master",
+ "slave",
+ 0
+ };
+
+ const char **w = _reserved_words;
+
+ while (*w) {
+
+ p_words->push_back(*w);
+ w++;
+ }
+
+ for (int i = 0; i < GDScriptFunctions::FUNC_MAX; i++) {
+ p_words->push_back(GDScriptFunctions::get_func_name(GDScriptFunctions::Function(i)));
+ }
+}
+
+GDScriptLanguage::GDScriptLanguage() {
+
+ calls = 0;
+ ERR_FAIL_COND(singleton);
+ singleton = this;
+ strings._init = StaticCString::create("_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._script_source = StaticCString::create("script/source");
+ _debug_parse_err_line = -1;
+ _debug_parse_err_file = "";
+
+#ifdef NO_THREADS
+ lock = NULL;
+#else
+ lock = Mutex::create();
+#endif
+ profiling = false;
+ script_frame_time = 0;
+
+ _debug_call_stack_pos = 0;
+ int dmcs = GLOBAL_DEF("debug/settings/gdscript/max_call_stack", 1024);
+ if (ScriptDebugger::get_singleton()) {
+ //debugging enabled!
+
+ _debug_max_call_stack = dmcs;
+ if (_debug_max_call_stack < 1024)
+ _debug_max_call_stack = 1024;
+ _call_stack = memnew_arr(CallLevel, _debug_max_call_stack + 1);
+
+ } else {
+ _debug_max_call_stack = 0;
+ _call_stack = NULL;
+ }
+}
+
+GDScriptLanguage::~GDScriptLanguage() {
+
+ if (lock) {
+ memdelete(lock);
+ lock = NULL;
+ }
+ if (_call_stack) {
+ memdelete_arr(_call_stack);
+ }
+ singleton = NULL;
+}
+
+/*************** RESOURCE ***************/
+
+RES ResourceFormatLoaderGDScript::load(const String &p_path, const String &p_original_path, Error *r_error) {
+
+ if (r_error)
+ *r_error = ERR_FILE_CANT_OPEN;
+
+ GDScript *script = memnew(GDScript);
+
+ Ref<GDScript> scriptres(script);
+
+ if (p_path.ends_with(".gde") || p_path.ends_with(".gdc")) {
+
+ script->set_script_path(p_original_path); // script needs this.
+ script->set_path(p_original_path);
+ Error err = script->load_byte_code(p_path);
+
+ if (err != OK) {
+
+ ERR_FAIL_COND_V(err != OK, RES());
+ }
+
+ } else {
+ Error err = script->load_source_code(p_path);
+
+ if (err != OK) {
+
+ ERR_FAIL_COND_V(err != OK, RES());
+ }
+
+ script->set_script_path(p_original_path); // script needs this.
+ script->set_path(p_original_path);
+ //script->set_name(p_path.get_file());
+
+ script->reload();
+ }
+ if (r_error)
+ *r_error = OK;
+
+ return scriptres;
+}
+void ResourceFormatLoaderGDScript::get_recognized_extensions(List<String> *p_extensions) const {
+
+ p_extensions->push_back("gd");
+ p_extensions->push_back("gdc");
+ p_extensions->push_back("gde");
+}
+
+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" || el == "gde")
+ return "GDScript";
+ return "";
+}
+
+Error ResourceFormatSaverGDScript::save(const String &p_path, const RES &p_resource, 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;
+ FileAccess *file = FileAccess::open(p_path, FileAccess::WRITE, &err);
+
+ if (err) {
+
+ ERR_FAIL_COND_V(err, err);
+ }
+
+ file->store_string(source);
+ if (file->get_error() != OK && file->get_error() != ERR_FILE_EOF) {
+ memdelete(file);
+ return ERR_CANT_CREATE;
+ }
+ file->close();
+ memdelete(file);
+
+ if (ScriptServer::is_reload_scripts_on_save_enabled()) {
+ GDScriptLanguage::get_singleton()->reload_tool_script(p_resource, false);
+ }
+
+ return OK;
+}
+
+void ResourceFormatSaverGDScript::get_recognized_extensions(const RES &p_resource, List<String> *p_extensions) const {
+
+ if (Object::cast_to<GDScript>(*p_resource)) {
+ p_extensions->push_back("gd");
+ }
+}
+bool ResourceFormatSaverGDScript::recognize(const RES &p_resource) const {
+
+ return Object::cast_to<GDScript>(*p_resource) != NULL;
+}