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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 main.lua
--
-- imports
import("core.base.option")
import("core.sandbox.module")
import("core.sandbox.sandbox")
import("core.project.project")
-- get all lua scripts
function scripts()
local names = {}
local files = os.files(path.join(os.scriptdir(), "scripts/*.lua"))
for _, file in ipairs(files) do
table.insert(names, path.basename(file))
end
return names
end
-- list all lua scripts
function _list()
print("scripts:")
for _, file in ipairs(scripts()) do
print(" " .. file)
end
end
-- print verbose log
function _print_vlog(script_type, script_name, args)
if not option.get("verbose") then return end
cprintf("running %s ${underline}%s${reset}", script_type, script_name)
if args.n > 0 then
print(" with args:")
if not option.get("diagnosis") then
for i = 1, args.n do
print(" - " .. todisplay(args[i]))
end
else
utils.dump(table.unpack(args, 1, args.n))
end
else
print(".")
end
end
function _run_commanad(command, args)
local tmpfile = os.tmpfile() .. ".lua"
io.writefile(tmpfile, "function main(...)\n" .. command .. "\nend")
return _run_script(tmpfile, args)
end
function _is_callable(func)
if type(func) == "function" then
return true
elseif type(func) == "table" then
local meta = debug.getmetatable(func)
if meta and meta.__call then
return true
end
end
end
function _run_script(script, args)
local func
local printresult = false
local script_type, script_name
-- import and run script
if path.extension(script) == ".lua" and os.isfile(script) then
-- run the given lua script file (xmake lua /tmp/script.lua)
script_type, script_name = "given lua script file", path.relative(script)
func = import(path.basename(script), {rootdir = path.directory(script), anonymous = true})
elseif os.isfile(path.join(os.scriptdir(), "scripts", script .. ".lua")) then
-- run builtin lua script (xmake lua echo "hello xmake")
script_type, script_name = "builtin lua script", script
func = import("scripts." .. script, {anonymous = true})
else
-- attempt to find the builtin module
local object = nil
for _, name in ipairs(script:split("%.")) do
object = object and object[name] or module.get(name)
if not object then
break
end
end
if object then
-- run builtin modules (xmake lua core.xxx.xxx)
script_type, script_name = "builtin module", script
func = object
else
-- run imported modules (xmake lua core.xxx.xxx)
script_type, script_name = "imported module", script
func = import(script, {anonymous = true})
end
printresult = true
end
-- print verbose log
_print_vlog(script_type or "script", script_name or "", args)
-- dump func() result
if _is_callable(func) then
local result = table.pack(func(table.unpack(args, 1, args.n)))
if printresult and result and result.n ~= 0 then
utils.dump(table.unpack(result, 1, result.n))
end
else
-- dump variables directly
utils.dump(func)
end
end
function _get_args()
-- get arguments
local args = option.get("arguments") or {}
args.n = #args
-- get deserialize tag
local deserialize = option.get("deserialize")
if not deserialize then
return args
end
deserialize = tostring(deserialize)
-- deserialize prefixed arguments
for i, value in ipairs(args) do
if value:startswith(deserialize) then
local v, err = string.deserialize(value:sub(#deserialize + 1))
if err then
raise(err)
else
args[i] = v
end
end
end
return args
end
function main()
-- restore to the current working directory
os.cd(os.workingdir())
-- list builtin scripts
if option.get("list") then
return _list()
end
-- run command?
local script = option.get("script")
if option.get("command") and script then
return _run_commanad(script, _get_args())
end
-- get script
if script then
return _run_script(script, _get_args())
end
-- enter interactive mode
sandbox.interactive()
end
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