nomsu/core/scopes.nom

#!/usr/bin/env nomsu -V1
#
    This file contains definitions pertaining to variable scoping

use "core/metaprogramming.nom"
use "core/operators.nom"
use "core/collections.nom"
use "core/control_flow.nom"

compile [with local %locals %body, with local %locals do %body] to
    %body_lua <- (%body as lua statements)
    when %locals.type = ?
        * "Dict"
            %body_lua <-
                Lua ".."
                    \(compile as: <- %locals)
                    \%body_lua
            declare locals
                "\(%.1 as lua)" for % in %locals
            .. in %body_lua
        * "List"
            declare locals
                "\(% as lua)" for % in %locals
            .. in %body_lua
        * "Var"
        * "Action"
            declare locals ["\(%locals as lua)"] in %body_lua
        * else
            barf "Unexpected local: \(%locals as nomsu)"
    return
        Lua ".."
            do
                \%body_lua
            end