raylib-lua-legacy/src/raylua.lua

110 lines
2.4 KiB
Lua

--[[
Copyright (C) 2020 Astie Teddy
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
]]
local load = loadstring
raylua.version = "v4.0b"
function raylua.repl()
print("> raylua " .. raylua.version .. " <")
print "Type 'q' to quit."
print ""
while true do
io.write "> "
local line = io.read "l"
if line == "q" then
break
end
local f, err = loadstring(line)
if f then
local status, err = pcall(f)
if not status then
print(err)
end
else
print(err)
end
end
end
package.path = "?.lua;?/init.lua"
if os.getenv "LUA_PATH" then
package.path = package.path .. ";" .. os.getenv "LUA_PATH"
end
if raylua.loadfile then
-- Change the second loader to load files using raylua.loadfile
package.loaders[2] = function (name)
for path in package.path:gmatch "([^;]+);?" do
name = name:gsub("%.", "/")
path = path:gsub("?", name)
local content, err = raylua.loadfile(path)
if content then
local f, err = load(content, path)
assert(f, err)
return f
end
end
return
end
print "RAYLUA: Load main.lua from payload."
local f, err = load(raylua.loadfile "main.lua", "main.lua")
if f then
local status, f_err = xpcall(f, debug.traceback)
if not status then
print(f_err)
end
else
print(err)
end
if not raylua.isrepl then
return
end
-- Keep launching the repl even with `loadfile` defined.
end
if arg and arg[1] then
local f, err = loadfile(arg[1])
if f then
local status, f_err = xpcall(f, debug.traceback)
if not status then
print(f_err)
end
else
print(err)
end
return
end
if raylua.isrepl then
print "RAYLUA: Go to repl."
raylua.repl()
end