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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 run.lua
--
-- imports
import("core.base.option")
import("core.base.thread")
import("core.sandbox.module")
-- print verbose log
function _print_vlog(script_type, script_name, args, opt)
if not opt.verbose then
return
end
cprintf("running %s ${underline}%s${reset}", script_type, script_name)
if args.n > 0 then
print(" with args:")
if not opt.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 _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, opt)
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.programdir(), "plugins", "lua", "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, rootdir = path.join(os.programdir(), "plugins", "lua")})
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, opt)
-- 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 _run_commanad(command, args, opt)
local tmpfile = os.tmpfile() .. ".lua"
io.writefile(tmpfile, "function main(...)\n" .. command .. "\nend")
_run_script(tmpfile, args, opt)
end
function _get_args(opt)
opt = opt or {}
-- get arguments
local args = opt.arguments or {}
args.n = #args
-- get deserialize tag
local deserialize = opt.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 _run(script, opt)
opt = opt or {}
if opt.quiet then
option.save()
option.set("quiet", true, {force = true})
end
local oldir
if xmake.in_main_thread() then
local curdir = opt.curdir or os.workingdir()
oldir = os.cd(curdir)
end
if opt.command then
_run_commanad(script, _get_args(opt), opt)
else
_run_script(script, _get_args(opt), opt)
end
if oldir then
os.cd(oldir)
end
if opt.quiet then
option.restore()
end
end
function _run_in_thread(script, opt)
import("utils.run_script", {anonymous = true})(script, opt)
end
-- run lua script
--
-- @param script the script file or string or module name
-- e.g. /tmp/test.lua, "print("hello")", "utils.bin2c"
-- @param opt the options
-- - curdir the currect directory
-- - command run script as command
-- - deserialize deserialize arguments starts with given prefix
-- - arguments the script arguments
-- - thread run script in a new native thread
-- - quiet enable quiet output
-- - verbose enable verbose output
-- - diagnosis enable diagnosis output
function main(script, opt)
opt = opt or {}
if opt.thread then
local argv
for _, arg in ipairs(opt.arguments) do
argv = argv or {}
if path.instance_of(arg) then
arg = tostring(arg)
end
table.insert(argv, arg)
end
local thread_opt = {
curdir = curdir,
command = opt.command,
deserialize = opt.deserialize,
arguments = argv,
quiet = opt.quiet,
verbose = opt.verbose,
diagnosis = opt.diagnosis
}
local t = thread.start_named("utils.run_script", _run_in_thread, script, thread_opt)
t:wait(-1)
else
_run(script, opt)
end
end
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