// This source code is released into the public domain.
module;

#include <unistd.h> // _exit

module nihil.cli;

import nihil.std;
import nihil.core;
import nihil.error;

namespace nihil {

//NOLINTNEXTLINE(bugprone-exception-escape)
command_node::command_node(std::string_view path) noexcept
try	: m_path(path)
{
} catch (std::exception const &exc) {
	std::print(std::cerr, "%s\n", exc.what());
	_exit(1);
	/*NOTREACHED*/
}

command_node::~command_node() = default;

auto command_node::path(this command_node const &self) noexcept
	-> std::string_view
{
	return self.m_path;
}

auto command_node::invoke(int, char **) const
	-> std::expected<int, error>
{
	// If invoke() wasn't overridden, then this is an empty node,
	// so the command was incomplete.
	return std::unexpected(error(errc::incomplete_command));
}

} // namespace nihil