nomsu/core/coroutines.nom

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#!/usr/bin/env nomsu -V2.5.5.5
#
This file defines the code that creates and manipulates coroutines
use "core/metaprogramming.nom"
test:
%nums = []
%co = (..)
coroutine:
-> 4
-> 5
repeat 3 times: -> 6
for % in coroutine %co: add % to %nums
assume (%nums == [4, 5, 6, 6, 6]) or barf "Coroutine iteration failed"
compile [coroutine %body, generator %body] to (..)
Lua value ".."
(function()
\(%body as lua statements)
end)
compile [->] to (Lua value "coroutine.yield(true)")
compile [-> %] to (Lua value "coroutine.yield(true, \(% as lua expr))")
compile [for % in coroutine %co %body] to (..)
Lua ".."
for junk,\(% as lua expr) in coroutine.wrap(\(%co as lua expr)) do
\(%body as lua statements)
end