honeylisp/editor/repl.fnl

50 lines
1.5 KiB
Fennel

(local util (require :lib.util))
(local fennel (require :lib.fennel))
(local style (require :core.style))
(local lume (require :lib.lume))
(local {: textbutton} (util.require :editor.imstate))
(local {: inspect} (util.require :inspector))
(local repl (util.hot-table ...))
(fn repl.inspector [{: vals : states} view x y]
(var h 0)
(each [i v (ipairs vals)]
(set h (+ h (inspect (. states i) v view x (+ y h) view.size.x))))
(+ h style.padding.y))
(fn repl.notify [listeners line]
(each [_ listener (ipairs listeners)]
(listener:append line)))
(fn repl.mk-result [vals]
(local inspector #(repl.inspector $...))
{:draw inspector : vals :states (icollect [_ (ipairs vals)] {})})
(fn repl.run [{: listeners}]
(fennel.repl {:readChunk coroutine.yield
:onValues #(repl.notify listeners (repl.mk-result $1))
:onError (fn [errType err luaSource] (repl.notify listeners (repl.mk-result [err])))
:pp #$1
:env (lume.clone _G)}))
(fn repl.listen [{: listeners} listener]
(table.insert listeners listener))
(fn repl.unlisten [{: listeners} listener]
(lume.remove listeners listener))
(fn repl.submit [{: coro} chunk]
(coroutine.resume coro (.. chunk "\n")))
(fn repl.new []
(local result
{:listeners []
:listen #(repl.listen $...)
:unlisten #(repl.unlisten $...)
:submit #(repl.submit $...)
:coro (coroutine.create repl.run)})
(coroutine.resume result.coro result)
result)
repl.hot