// This file is distributed under the BSD License.

// See "license.txt" for details.

// Copyright 2009-2012, Jonathan Turner (jonathan@emptycrate.com)

// and Jason Turner (jason@emptycrate.com)

// http://www.chaiscript.com

#ifndef CHAISCRIPT_STDLIB_HPP_

#define CHAISCRIPT_STDLIB_HPP_

#include <map>

#include <memory>

#include <string>

#include <string_view>

#include <utility>

#include <vector>

#include "chaiscript_defines.hpp"

#include "language/chaiscript_common.hpp"

#include "dispatchkit/function_call.hpp"

// #include "dispatchkit/dispatchkit.hpp"

#include "dispatchkit/bootstrap.hpp"

#include "dispatchkit/bootstrap_stl.hpp"

#include "dispatchkit/operators.hpp"

// #include "dispatchkit/boxed_value.hpp"

#include "dispatchkit/register_function.hpp"

#include "language/chaiscript_prelude.hpp"

#include "utility/json_wrap.hpp"

#ifndef CHAISCRIPT_NO_THREADS

#include <future>

#endif

/// @file

///

/// This file generates the standard library that normal ChaiScript usage requires.

namespace chaiscript {

class Std_Lib {

public:

[[nodiscard]] static ModulePtr library(const std::vector<Library_Options> &t_opts = {}) {

if (std::find(t_opts.begin(), t_opts.end(), Library_Options::No_Stdlib) != t_opts.end()) {

return std::make_shared<Module>();

}

auto lib = std::make_shared<Module>();

const bool no_prelude = std::find(t_opts.begin(), t_opts.end(), Library_Options::No_Prelude) != t_opts.end();

const bool no_json = std::find(t_opts.begin(), t_opts.end(), Library_Options::No_JSON) != t_opts.end();

bootstrap::Bootstrap::bootstrap(*lib);

bootstrap::standard_library::vector_type<std::vector<Boxed_Value>>("Vector", *lib);

bootstrap::standard_library::string_type<std::string>("string", *lib);

bootstrap::standard_library::string_view_type<std::string_view, std::string>("string_view", *lib);

bootstrap::standard_library::map_type<std::map<std::string, Boxed_Value>>("Map", *lib);

bootstrap::standard_library::pair_type<std::pair<Boxed_Value, Boxed_Value>>("Pair", *lib);

// Allow explicit conversion from std::string_view back to std::string,

// e.g. `string(sv)` in ChaiScript.

lib->add(fun([](const std::string_view sv) { return std::string{sv}; }), "string");

#ifndef CHAISCRIPT_NO_THREADS

bootstrap::standard_library::future_type<std::future<chaiscript::Boxed_Value>>("future", *lib);

// Note: async() is registered in ChaiScript_Basic::build_eval_system()

// with thread tracking to prevent heap-use-after-free on engine destruction.

#endif

if (!no_json) {

json_wrap::library(*lib);

}

if (!no_prelude) {

lib->eval(ChaiScript_Prelude::chaiscript_prelude() /*, "standard prelude"*/);

}

return lib;

}

};

} // namespace chaiscript

#endif