Lua script engine from Emacs Lisp. This package is inspired by mruby-lua.
% make LUA_VERSION=5.2
# Default Lua version is 5.2. You need to specify if you use other than 5.2.
(defun lua-factorial ()
(interactive)
(let* ((state (lua-new))
(got (lua-do-string state
"
function factorial(n)
if n <= 1 then
return 1
else
return n * factorial(n - 1)
end
end
ans = factorial(10)
")))
(message "@@ %s" (lua-get-global state "ans"))))
;; => @@ 3628800
(defun lua-set-global-test ()
(interactive)
(let ((state (lua-new)))
(lua-set-global state "a" "bar")
(lua-set-global state "b" 100)
(lua-set-global state "c" t)
(lua-do-string state "
print(a)
print(b)
print(c)
") ;; Output to stdout
(message "@@ a=%s, b=%s, c=%s"
(lua-get-global state "a")
(lua-get-global state "b")
(lua-get-global state "c"))))
;; => @@ a=bar, b=100, c=t
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