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// Copyright (C) 2024 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#include "luapluginspec.h"
#include "luaengine.h"
#include "luatr.h"
#include <coreplugin/icore.h>
#include <extensionsystem/extensionsystemtr.h>
#include <utils/algorithm.h>
#include <utils/appinfo.h>
#include <QJsonDocument>
#include <QLoggingCategory>
#include <QTranslator>
Q_LOGGING_CATEGORY(luaPluginSpecLog, "qtc.lua.pluginspec", QtWarningMsg)
using namespace ExtensionSystem;
using namespace Utils;
using namespace std::string_view_literals;
namespace Lua {
class LuaScriptPluginPrivate
{
public:
QString name;
QList<QString> cppDepends;
sol::function setup;
sol::environment pluginEnvironment;
};
class LuaPluginSpecPrivate
{
public:
FilePath pluginScriptPath;
bool printToOutputPane = false;
std::unique_ptr<sol::state> activeLuaState;
};
LuaPluginSpec::LuaPluginSpec()
: d(new LuaPluginSpecPrivate())
{}
Result<LuaPluginSpec *> LuaPluginSpec::create(const FilePath &filePath, sol::table pluginTable)
{
const FilePath directory = filePath.parentDir();
std::unique_ptr<LuaPluginSpec> pluginSpec(new LuaPluginSpec());
if (!pluginTable.get_or<sol::function>("setup"sv, {}))
return make_unexpected(QString("Plugin info table did not contain a setup function"));
if (pluginTable.get_or<QString>("Type"sv, {}).toLower() != "script") {
qCWarning(luaPluginSpecLog) << "Plugin info table did not contain a Type=\"Script\" field";
pluginTable.set("Type"sv, "script"sv);
}
QJsonValue v = toJson(pluginTable);
if (luaPluginSpecLog().isDebugEnabled()) {
qCDebug(luaPluginSpecLog).noquote()
<< "Plugin info table:" << QJsonDocument(v.toObject()).toJson(QJsonDocument::Indented);
}
QJsonObject obj = v.toObject();
obj["SoftLoadable"] = true;
auto r = pluginSpec->PluginSpec::readMetaData(obj);
if (!r)
return make_unexpected(r.error());
const QString langId = Core::ICore::userInterfaceLanguage();
FilePath path = directory / "ts" / QString("%1_%2.qm").arg(directory.fileName()).arg(langId);
QTranslator *translator = new QTranslator(qApp);
bool success = translator->load(path.toFSPathString(), directory.toFSPathString());
if (success)
qApp->installTranslator(translator);
else {
delete translator;
qCInfo(luaPluginSpecLog) << "No translation found";
}
pluginSpec->setFilePath(filePath);
pluginSpec->setLocation(directory);
pluginSpec->d->pluginScriptPath = filePath;
pluginSpec->d->printToOutputPane = pluginTable.get_or("printToOutputPane", false);
return pluginSpec.release();
}
ExtensionSystem::IPlugin *LuaPluginSpec::plugin() const
{
return nullptr;
}
// LuaPluginSpec::For internal use {}
bool LuaPluginSpec::loadLibrary()
{
// We are actually already loaded, but we need to set the state to loaded as well.
// We cannot set it earlier as it is used as a state machine that would break for earlier steps.
setState(PluginSpec::State::Loaded);
return true;
}
bool LuaPluginSpec::initializePlugin()
{
QTC_ASSERT(!d->activeLuaState, return false);
std::unique_ptr<sol::state> activeLuaState = std::make_unique<sol::state>();
Result<sol::protected_function> setupResult = prepareSetup(*activeLuaState, *this);
if (!setupResult) {
setError(Lua::Tr::tr("Cannot prepare extension setup: %1").arg(setupResult.error()));
return false;
}
auto result = setupResult->call();
if (result.get_type() == sol::type::boolean && result.get<bool>() == false) {
setError(Lua::Tr::tr("Extension setup function returned false."));
return false;
} else if (result.get_type() == sol::type::string) {
std::string error = result.get<sol::error>().what();
if (!error.empty()) {
setError(Lua::Tr::tr("Extension setup function returned error: %1")
.arg(QString::fromStdString(error)));
return false;
}
}
d->activeLuaState = std::move(activeLuaState);
setState(PluginSpec::State::Initialized);
return true;
}
bool LuaPluginSpec::initializeExtensions()
{
setState(PluginSpec::State::Running);
return true;
}
bool LuaPluginSpec::delayedInitialize()
{
return false;
}
ExtensionSystem::IPlugin::ShutdownFlag LuaPluginSpec::stop()
{
setState(PluginSpec::State::Stopped);
return ExtensionSystem::IPlugin::ShutdownFlag::SynchronousShutdown;
}
void LuaPluginSpec::kill()
{
if (!d->activeLuaState)
return;
d->activeLuaState.reset();
setState(PluginSpec::State::Deleted);
}
bool LuaPluginSpec::printToOutputPane() const
{
return d->printToOutputPane;
}
Utils::FilePath LuaPluginSpec::installLocation(bool inUserFolder) const
{
if (inUserFolder)
return appInfo().userLuaPlugins;
return appInfo().luaPlugins;
}
} // namespace Lua
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