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lua_script.cpp
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342 lines (240 loc) · 8.56 KB
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/*
* This file is part of LuaScript
* https://github.com/perbone/luascrip/
*
* Copyright 2017-2024 Paulo Perbone
*
* 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{};
}
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