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