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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, TBOOX Open Source Group.
--
-- @author ruki
-- @file main.lua
--
-- imports
import("core.base.option")
import("core.base.task")
import("core.project.config")
import("core.base.global")
import("core.project.project")
import("core.platform.platform")
import("devel.debugger")
import("private.action.run.make_runenvs")
-- run target
function _do_run_target(target)
-- only for binary program
if not target:is_binary() then
return
end
-- get the run directory of target
local rundir = target:rundir()
-- get the absolute target file path
local targetfile = path.absolute(target:targetfile())
-- enter the run directory
local oldir = os.cd(rundir)
-- add run environments
local addrunenvs, setrunenvs = make_runenvs(target)
for name, values in pairs(addrunenvs) do
os.addenv(name, unpack(table.wrap(values)))
end
for name, value in pairs(setrunenvs) do
os.setenv(name, unpack(table.wrap(value)))
end
-- debugging?
if option.get("debug") then
debugger.run(targetfile, option.get("arguments"))
else
os.execv(targetfile, option.get("arguments"))
end
-- restore the previous directory
os.cd(oldir)
end
-- run target
function _on_run_target(target)
-- build target with rules
local done = false
for _, r in ipairs(target:orderules()) do
local on_run = r:script("run")
if on_run then
on_run(target)
done = true
end
end
if done then return end
-- do run
_do_run_target(target)
end
-- recursively target add env
function _add_target_pkgenvs(target, targets_added)
if targets_added[target:name()] then
return
end
targets_added[target:name()] = true
os.addenvs(target:pkgenvs())
for _, dep in ipairs(target:orderdeps()) do
_add_target_pkgenvs(dep, targets_added)
end
end
-- run the given target
function _run(target)
-- has been disabled?
if not target:is_enabled() then
return
end
-- enter the environments of the target packages
local oldenvs = os.getenvs()
_add_target_pkgenvs(target, {})
-- the target scripts
local scripts =
{
target:script("run_before")
, function (target)
for _, r in ipairs(target:orderules()) do
local before_run = r:script("run_before")
if before_run then
before_run(target)
end
end
end
, target:script("run", _on_run_target)
, function (target)
for _, r in ipairs(target:orderules()) do
local after_run = r:script("run_after")
if after_run then
after_run(target)
end
end
end
, target:script("run_after")
}
-- run the target scripts
for i = 1, 5 do
local script = scripts[i]
if script ~= nil then
script(target)
end
end
-- leave the environments of the target packages
os.setenvs(oldenvs)
end
-- check targets
function _check_targets(targetname)
-- get targets
local targets = {}
if targetname and not targetname:startswith("__") then
table.insert(targets, project.target(targetname))
else
-- install default or all targets
for _, target in ipairs(project.ordertargets()) do
if (target:is_default() or option.get("all")) and target:is_binary() then
table.insert(targets, target)
end
end
end
-- filter and check targets with builtin-run script
local targetnames = {}
for _, target in ipairs(targets) do
if not target:is_phony() and target:is_enabled() and not target:script("run") then
local targetfile = target:targetfile()
if targetfile and not os.isfile(targetfile) then
table.insert(targetnames, target:name())
end
end
end
-- there are targets that have not yet been built?
if #targetnames > 0 then
raise("please run `$xmake [target]` to build the following targets first:\n -> " .. table.concat(targetnames, '\n -> '))
end
end
-- main
function main()
-- get the target name
local targetname = option.get("target")
-- config it first
task.run("config", {target = targetname, require = "n", verbose = false})
-- check targets first
_check_targets(targetname)
-- enter project directory
local oldir = os.cd(project.directory())
-- run the given target?
if targetname then
_run(project.target(targetname))
else
-- run default or all binary targets
for _, target in ipairs(project.ordertargets()) do
if (target:is_default() or option.get("all")) and target:is_binary() then
_run(target)
end
end
end
-- leave project directory
os.cd(oldir)
end
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