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- --[==========================================================================[
- luac.lua: lua compilation module for VLC (duplicates luac)
- --[==========================================================================[
- Copyright (C) 2010 Antoine Cellerier
- $Id$
-
- Authors: Antoine Cellerier <dionoea at videolan dot org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- --]==========================================================================]
-
- usage =
- [[
- To compile a lua script to bytecode (luac) run:
- vlc -I lua --lua-intf --lua-config 'luac={input="file.lua",output="file.luac"}'
- Output will be similar to that of the luac command line tool provided with lua with the following arguments:
- luac -o file.luac file.lua
- ]]
-
- require "string"
- require "io"
-
- function compile()
- vlc.msg.info("About to compile lua file")
- vlc.msg.info(" Input is '"..tostring(config.input).."'")
- vlc.msg.info(" Output is '"..tostring(config.output).."'")
- if not config.input or not config.output then
- vlc.msg.err("Input and output config options must be set")
- return false
- end
-
- local bytecode, msg = loadfile(config.input)
- if not bytecode then
- vlc.msg.err("Error while loading file '"..config.input.."': "..msg)
- return false
- end
-
- local output, msg = io.open(config.output, "wb")
- if not output then
- vlc.msg.err("Error while opening file '"..config.output.."' for output: "..msg)
- return false
- else
- output:write(string.dump(bytecode))
- return true
- end
- end
-
-
- if not compile() then
- for line in string.gmatch(usage,"([^\n]+)\n*") do
- vlc.msg.err(line)
- end
- end
- vlc.misc.quit()
-
-