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--!A cross-platform build utility based on Lua
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-present, Xmake Open Source Community.
--
-- @author ruki
-- @file bcsave.lua
--
-- imports
import("core.base.option")
import("lib.luajit.bcsave")
-- the options
local options =
{
{'s', "strip", "k", false, "Strip the debug info." }
, {nil, "rootname", "kv", nil, "Set the display root path name." }
, {'o', "outputdir", "kv", nil, "Set the output directory of bitcode files." }
, {'x', "excludedirs", "kv", nil, "Set the excluded directories." }
, {nil, "sourcedir", "v", os.programdir(), "Set the directory of lua source files." }
}
-- save lua files to bitcode files in the given directory
function save(sourcedir, outputdir, opt)
-- init source directory and options
opt = opt or {}
sourcedir = path.absolute(sourcedir or os.programdir())
outputdir = outputdir and path.absolute(outputdir) or sourcedir
assert(os.isdir(sourcedir), "%s not found!", sourcedir)
-- trace
print("generating bitcode files from %s ..", sourcedir)
-- save all lua files to bitcode files
local total_lua = 0
local total_bc = 0
local pattern = path.join(sourcedir, "**.lua")
if opt.excludedirs then
pattern = pattern .. "|" .. opt.excludedirs
end
local override = (outputdir == sourcedir)
for _, luafile in ipairs(os.files(pattern)) do
-- get relative lua file path
local relativepath = path.relative(luafile, sourcedir)
-- get display path
local displaypath = opt.rootname and path.join(opt.rootname, relativepath) or relativepath
-- get bitcode file path
local bcfile = override and os.tmpfile() or path.join(outputdir, relativepath)
-- generate bitcode file
-- @note we disable cache to ensure all display paths are correct
bcsave(luafile, bcfile, {strip = opt.strip, displaypath = displaypath, nocache = true})
-- trace
local luasize = os.filesize(luafile)
local bcsize = os.filesize(bcfile)
total_lua = total_lua + luasize
total_bc = total_bc + bcsize
vprint("generating %s (%d => %d) ..", displaypath, luasize, bcsize)
-- override?
if override then
os.cp(bcfile, luafile)
end
end
-- trace
cprint("${bright}bitcode files have been generated in %s, size: %d => %d", outputdir, total_lua, total_bc)
end
-- main entry
function main(...)
-- parse arguments
local argv = {...}
local opt = option.parse(argv, options, "Save all lua files to bitcode files."
, ""
, "Usage: xmake l private.utils.bcsave [options]")
-- save bitcode files
save(opt.sourcedir, opt.outputdir, opt)
end
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