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* This file is part of LuaScript

* https://github.com/perbone/luascrip/

* Licensed under the Apache License, Version 2.0 (the "License");

* you may not use this file except in compliance with the License.

* You may obtain a copy of the License at

* http://www.apache.org/licenses/LICENSE-2.0

* Unless required by applicable law or agreed to in writing, software

* distributed under the License is distributed on an "AS IS" BASIS,

* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

* See the License for the specific language governing permissions and

* limitations under the License

#include "lua_script.h"

#include "lua_script_instance.h"

#include "lua_script_language.h"

#include "constants.h"

#include "debug.h"

#include "core/os/os.h"

LuaScript::LuaScript() :

self(this) {

print_debug("LuaScript::constructor");

#ifdef DEBUG_ENABLED

auto guard = LuaScriptLanguage::acquire();

LuaScriptLanguage::get_singleton()->script_list.add(&this->self);

#endif

} // TODO

LuaScript::~LuaScript() {

print_debug("LuaScript::destructor");

#ifdef DEBUG_ENABLED

auto guard = LuaScriptLanguage::acquire();

LuaScriptLanguage::get_singleton()->script_list.remove(&this->self);

#endif

} // TODO

bool LuaScript::can_instantiate() const {

print_debug("LuaScript::can_instantiate");

return valid || (!tool && !ScriptServer::is_scripting_enabled());

}

// Returns the script directly inherited by this script.

Ref<Script> LuaScript::get_base_script() const { // TODO

print_debug("LuaScript::get_base_script");

return Ref<Script>{};

}

StringName LuaScript::get_global_name() const {

print_debug("LuaScript::get_global_name");

return StringName{};

}

bool LuaScript::inherits_script(const Ref<Script> &p_script) const {

print_debug("LuaScript::inherits_script");

return false;

}

StringName LuaScript::get_instance_base_type() const { // TODO

print_debug("LuaScript::get_instance_base_type");

return StringName{ "Node2D" };

}

ScriptInstance *LuaScript::instance_create(Object *p_this) { // TODO

print_debug("LuaScript::instance_create( p_this = " + p_this->get_class_name() + " )");

ERR_FAIL_COND_V(!this->valid, nullptr);

LuaScriptInstance *instance = memnew(LuaScriptInstance(p_this, Ref<LuaScript>(this)));

p_this->set_script_instance(instance);

auto guard = LuaScriptLanguage::acquire();

this->instances.insert(p_this);

//debug-on

instance->baseClassName = String{ p_this->get_class_name() };

//debug-off

return instance;

}

#ifdef TOOLS_ENABLED

PlaceHolderScriptInstance *LuaScript::placeholder_instance_create(Object *p_this) {

print_debug("LuaScript::placeholder_instance_create( p_this = " + p_this->get_class_name() + " )");

PlaceHolderScriptInstance *instance = memnew(PlaceHolderScriptInstance(LuaScriptLanguage::get_singleton(), Ref<Script>(this), p_this));

placeholders.insert(instance);

update_exports();

return instance;

}

#endif

bool LuaScript::instance_has(const Object *p_this) const { // TODO

print_debug("LuaScript::instance_has( p_this = %s )", String(p_this->get_class_name()).ascii().get_data());

auto guard = LuaScriptLanguage::acquire();

bool found = this->instances.has((Object *)p_this);

print_debug("LuaScript::instance_has( p_this = " + p_this->get_class_name() + " ) found = " + (found ? "yes" : "no") + " )");

return found;

}

bool LuaScript::has_source_code() const {

print_debug("LuaScript::has_source_code");

return !this->source.is_empty();

}

String LuaScript::get_source_code() const {

print_debug("LuaScript::get_source_code");

return this->source;

}

void LuaScript::set_source_code(const String &p_code) {

print_debug("LuaScript::set_source_code");

if (p_code != this->source) {

this->source = p_code;

#ifdef TOOLS_ENABLED

source_changed_cache = true;

#endif

}

Error LuaScript::reload(bool p_keep_state) { // TODO

print_debug("LuaScript::reload( p_keep_state = %d )", p_keep_state);

{

auto guard = LuaScriptLanguage::acquire();

bool has_instances = instances.size();

ERR_FAIL_COND_V(!p_keep_state && has_instances, ERR_ALREADY_IN_USE);

}

this->valid = false;

// TODO reload

// this->tool =

this->valid = true;

return OK;

}

#ifdef TOOLS_ENABLED

Vector<DocData::ClassDoc> LuaScript::get_documentation() const {

print_debug("LuaScript::get_documentation");

return this->docs;

} // TODO

String LuaScript::get_class_icon_path() const {

print_debug("LuaScript::get_class_icon_path");

return String();

} // TODO

PropertyInfo LuaScript::get_class_category() const {

print_debug("LuaScript::get_class_category");

return PropertyInfo();

} // TODO

#endif

bool LuaScript::has_method(const StringName &p_method) const { // TODO

print_debug("LuaScript::has_method( p_method = %s )", String(p_method).ascii().get_data());

return false;

}

MethodInfo LuaScript::get_method_info(const StringName &p_method) const { // TODO

print_debug("LuaScript::get_method_info( p_method = %s )", String(p_method).ascii().get_data());

return MethodInfo{};

}

bool LuaScript::is_tool() const { // TODO

print_debug("LuaScript::is_tool");

return this->tool;

}

bool LuaScript::is_valid() const { // TODO

print_debug("LuaScript::is_valid");

return this->valid;

}

bool LuaScript::is_abstract() const {

print_debug("LuaScript::is_abstract");

return this->abstract;

}

ScriptLanguage *LuaScript::get_language() const { // TODO

print_debug("LuaScript::get_language");

return LuaScriptLanguage::get_singleton();

}

bool LuaScript::has_script_signal(const StringName &p_signal) const { // TODO

print_debug("LuaScript::has_script_signal( p_signal = %s )", String(p_signal).ascii().get_data());

return false;

}

void LuaScript::get_script_signal_list(List<MethodInfo> *r_signals) const {

print_debug("LuaScript::get_script_signal_list");

} // TODO

bool LuaScript::get_property_default_value(const StringName &p_property, Variant &r_value) const { // TODO

print_debug("LuaScript::get_property_default_value( p_property = %s )", String(p_property).ascii().get_data());

#ifdef TOOLS_ENABLED

return false;

#endif

return false;

}

void LuaScript::update_exports() {

print_debug("LuaScript::update_exports");

#ifdef TOOLS_ENABLED

// TODO

this->placeholder_fallback_enabled = false;

#endif

} // TODO

void LuaScript::get_script_method_list(List<MethodInfo> *p_list) const {

print_debug("LuaScript::get_script_method_list");

} // TODO

void LuaScript::get_script_property_list(List<PropertyInfo> *p_list) const {

print_debug("LuaScript::get_script_property_list");

} // TODO

int LuaScript::get_member_line(const StringName &p_member) const {

print_debug("LuaScript::get_member_line( p_member = " + p_member + " )");

return -1;

}

void LuaScript::get_constants(HashMap<StringName, Variant> *p_constants) {

print_debug("LuaScript::get_constants");

} // TODO

void LuaScript::get_members(HashSet<StringName> *p_members) {

print_debug("LuaScript::get_members");

#if defined(TOOLS_ENABLED) || defined(DEBUG_ENABLED)

#endif

} // TODO

#ifdef TOOLS_ENABLED

bool LuaScript::is_placeholder_fallback_enabled() const {

print_debug("LuaScript::is_placeholder_fallback_enabled");

return this->placeholder_fallback_enabled;

} // TODO

#endif

const Variant LuaScript::get_rpc_config() const {

print_debug("LuaScript::get_rpc_config");

return this->rpc_config;

} // TODO

Error LuaScript::load_source_code(const String &p_path) {

print_debug("_LuaScript::load_source_code( p_path = %s )", String(p_path).ascii().get_data());

Error error;

Ref<FileAccess> file = FileAccess::open(p_path, FileAccess::READ, &error);

if (error) {

ERR_FAIL_COND_V(error, error);

}

Vector<uint8_t> buffer;

const uint64_t len = static_cast<const uint64_t>(file->get_length());

buffer.resize(len + 1);

uint8_t *w = buffer.ptrw();

uint64_t r = file->get_buffer(w, len);

ERR_FAIL_COND_V(r != len, ERR_CANT_OPEN);

w[len] = 0;

String source;

if (source.parse_utf8((const char *)w)) {

ERR_FAIL_V_MSG(ERR_INVALID_DATA, "Script '" + p_path + "' contains invalid unicode (utf-8), so it was not loaded. Please ensure that scripts are saved in valid utf-8 unicode.");

}

this->set_source_code(source);

return OK;

}

void LuaScript::_bind_methods() {

print_debug("LuaScript::_bind_methods");

ClassDB::bind_vararg_method(METHOD_FLAGS_DEFAULT, "new", &LuaScript::_new, MethodInfo("new"));

} // TODO

#ifdef TOOLS_ENABLED

void LuaScript::_placeholder_erased(PlaceHolderScriptInstance *p_placeholder) {

print_debug("LuaScript::_placeholder_erased");

this->placeholders.erase(p_placeholder);

}

#endif

Variant LuaScript::_new(const Variant **p_args, int p_argcount, Callable::CallError &r_error) { // TODO

print_debug("LuaScript::_new");

return Variant{};

}