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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 <extensionsystem/extensionsystemtr.h>
#include <utils/algorithm.h>
#include <utils/expected.h>
#include <QJsonDocument>
#include <QLoggingCategory>
Q_LOGGING_CATEGORY(luaPluginSpecLog, "qtc.lua.pluginspec", QtWarningMsg)
using namespace ExtensionSystem;
using namespace Utils;
namespace Lua {
class LuaScriptPluginPrivate
{
public:
QString name;
QList<QString> cppDepends;
sol::function setup;
sol::environment pluginEnvironment;
};
class LuaPluginSpecPrivate
{
public:
FilePath pluginScriptPath;
sol::state lua;
sol::table pluginTable;
sol::function setupFunction;
};
LuaPluginSpec::LuaPluginSpec()
: d(new LuaPluginSpecPrivate())
{}
expected_str<LuaPluginSpec *> LuaPluginSpec::create(const FilePath &filePath,
sol::state lua,
sol::table pluginTable)
{
std::unique_ptr<LuaPluginSpec> pluginSpec(new LuaPluginSpec());
pluginSpec->d->lua = std::move(lua);
pluginSpec->d->pluginTable = pluginTable;
pluginSpec->d->setupFunction = pluginTable.get_or<sol::function>("setup", {});
if (!pluginSpec->d->setupFunction)
return make_unexpected(QString("Plugin info table did not contain a setup function"));
QJsonValue v = LuaEngine::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());
pluginSpec->setFilePath(filePath);
pluginSpec->setLocation(filePath.parentDir());
pluginSpec->d->pluginScriptPath = filePath;
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()
{
expected_str<void> setupResult
= LuaEngine::instance()
.prepareSetup(d->lua, *this, d->pluginTable.get<sol::optional<sol::table>>("hooks"));
if (!setupResult) {
setError(Lua::Tr::tr("Failed to prepare plugin setup: %1").arg(setupResult.error()));
return false;
}
auto result = d->setupFunction.call();
if (result.get_type() == sol::type::boolean && result.get<bool>() == false) {
setError(Lua::Tr::tr("Plugin 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("Plugin setup function returned error: %1")
.arg(QString::fromStdString(error)));
return false;
}
}
setState(PluginSpec::State::Initialized);
return true;
}
bool LuaPluginSpec::initializeExtensions()
{
setState(PluginSpec::State::Running);
return true;
}
bool LuaPluginSpec::delayedInitialize()
{
return true;
}
ExtensionSystem::IPlugin::ShutdownFlag LuaPluginSpec::stop()
{
return ExtensionSystem::IPlugin::ShutdownFlag::SynchronousShutdown;
}
void LuaPluginSpec::kill() {}
} // namespace Lua
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