#!/bin/lua
local candran = require("candran")
local cmdline = require("lib.cmdline")

local args = cmdline(arg)

if args.help or args.h then
	print("Candran interpreter version "..candran.VERSION.." by Reuh")
	print("Usage: "..arg[0].." [target=<target>] [options] filename")
	return
end

if #args >= 1 then
	candran.dofile(args[1], args)
else -- REPL
	print("Candran " .. candran.VERSION)
	candran.setup()
	while true do
		io.write("> ")
		local line = io.read()
		if line:match("^=") then
			line = line:gsub("^=", "return tostring(") .. ")"
		end

		local t = { pcall(candran.load, line, "stdin") }
		if t[1] == false then
			print(t[2])
		else
			t = { pcall(t[2]) }
			if t[1] == false then
				print(t[2])
			elseif #t > 1 then
				print(unpack(t, 2))
			end
		end
	end
end