menu "Lua configuration"

    choice LUA_VERSION
        prompt "Lua version"
        default LUA_VERSION_53
        help
            The version of Lua interpreter to use.

        config LUA_VERSION_51
          bool "Lua 5.1"

        config LUA_VERSION_53
          bool "Lua 5.3"

    endchoice

    config LUA_NUMBER_INTEGRAL
      depends on LUA_VERSION_51
      bool "Integer-only build"
      default "n"
      help
          Build Lua without support for floating point numbers.
          Not generally recommended, but can save on code size.

    config LUA_NUMBER_INT64
      depends on LUA_VERSION_53
      bool "Use 64bit integers"
      default "n"
      help
          Build Lua with 64bit integers. This provides a greater value
          range, but at the expense of extra memory usage and somewhat
          reduced performance over the default 32bit integers.

    config LUA_NUMBER_DOUBLE
      depends on LUA_VERSION_53
      bool "Use double precision floating point"
      default "n"
      help
          Build Lua with double floating point precision. This provides
          a greater value range, but at the expense of extra memory
          usage and somewhat reduced performance over the default
          single precision floating point.

    menu "Core Lua modules"

        config LUA_BUILTIN_STRING
            bool "String module"
            default "y"
            help
                Includes the string module (recommended).

        config LUA_BUILTIN_TABLE
            bool "Table module"
            default "y"
            help
                Includes the table module (recommended).

        config LUA_BUILTIN_COROUTINE
            bool "Coroutine module"
            default "y"
            help
                Includes the coroutine module (recommended).

        config LUA_BUILTIN_IO
            bool "I/O module"
            default "y"
            help
                Includes the file I/O module (recommended).

        config LUA_BUILTIN_MATH
            bool "Math module"
            default "y"
            help
                Includes the math module (recommended).

        config LUA_BUILTIN_UTF8
            depends on !LUA_VERSION_51
            bool "UTF8 module"
            default "y"
            help
                Includes the debug module (required by our Lua VM).

        config LUA_BUILTIN_DEBUG
            bool "Debug module"
            default "n"
            help
                Includes the debug module.

        config LUA_BUILTIN_DEBUG_EXTENDED
            depends on LUA_BUILTIN_DEBUG
            bool "Extended debug support"
            default "n"
            help
                Includes the full debug module, rather than just getregistry
                and traceback.

        config LUA_BUILTIN_DEBUG_MINIMAL
            depends on LUA_BUILTIN_DEBUG
            bool
            default !LUA_BUILTIN_DEBUG_EXTENDED

    endmenu

    menu "Lua compilation"

        choice LUA_OPTIMIZE_DEBUG_LEVEL
            prompt "Discard debug info in compiled Lua"
            default LUA_OPTIMIZE_DEBUG_NONE
            help
                Discard debug information in compiled Lua code to save memory.

            config LUA_OPTIMIZE_DEBUG_NONE
                bool "No (keep full debug info)"
            config LUA_OPTIMIZE_DEBUG_LOCAL_UPVAL
                bool "Some (discard local & upvalue debug info)"
            config LUA_OPTIMIZE_DEBUG_LOCAL_UPVAL_LINENO
                bool "All (discard local, upvalue & line number info)"
        endchoice

        config LUA_OPTIMIZE_DEBUG
            int
            default 1 if LUA_OPTIMIZE_DEBUG_NONE
            default 2 if LUA_OPTIMIZE_DEBUG_LOCAL_UPVAL
            default 3 if LUA_OPTIMIZE_DEBUG_LOCAL_UPVAL_LINENO

    endmenu

    config LUA_REQUIRED_MODULES
      bool
      default y
      select NODEMCU_CMODULE_PIPE
      select NODEMCU_CMODULE_UART
      select LUA_BUILTIN_DEBUG

    choice LUA_INIT_STRING
        prompt "Boot command"
        default LUA_INIT_STRING_INIT_LUA
        help
            Command to run on boot. This can be a .lua file, an LFS module, or
            any valid Lua expression. By default init.lua is loaded and run
            from the SPIFFS filesystem.
        config LUA_INIT_STRING_INIT_LUA
            bool "init.lua from SPIFFS"
        config LUA_INIT_STRING_INIT_LFS
            bool "init module from LFS"
        config LUA_INIT_STRING_CUSTOM
            bool "Custom"
    endchoice

    config LUA_INIT_STRING_CUSTOM_STRING
        string "Custom boot command" if LUA_INIT_STRING_CUSTOM
        default ""
        help
            Run a custom command on boot.

            Specify @filename.lua to load "filename.lua" from SPIFFS.
            Specify node.LFS.get('foo')() to load the module "foo" from LFS.
            Or specify any other valid Lua expression to execute that on boot.

    config LUA_INIT_STRING
        string
        default "@init.lua" if LUA_INIT_STRING_INIT_LUA
        default "node.LFS.get('init')()" if LUA_INIT_STRING_INIT_LFS
        default LUA_INIT_STRING_CUSTOM_STRING if LUA_INIT_STRING_CUSTOM

endmenu