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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 xmake.lua
--
-- update compile_commandss.json automatically
--
-- @code
-- add_rules("plugin.compile_commands.autoupdate", {outputdir = ".vscode", lsp = "clangd"})
-- target("test")
-- set_kind("binary")
-- add_files("src/*.c")
-- @endcode
--
rule("plugin.compile_commands.autoupdate")
set_kind("project")
after_build(function (opt)
-- imports
import("core.project.config")
import("core.project.depend")
import("core.project.project")
import("core.base.task")
-- we should not update it if we are installing xmake package
if os.getenv("XMAKE_IN_XREPO") then
return
end
-- run only once for all xmake process
local tmpfile = path.join(config.builddir(), ".gens", "rules", "plugin.compile_commands.autoupdate")
local dependfile = tmpfile .. ".d"
local lockfile = io.openlock(tmpfile .. ".lock")
if lockfile:trylock() then
local outputdir
local lsp
local sourcefiles = {}
for _, target in pairs(project.targets()) do
table.join2(sourcefiles, target:sourcefiles(), (target:headerfiles()))
local extraconf = target:extraconf("rules", "plugin.compile_commands.autoupdate")
if extraconf then
outputdir = extraconf.outputdir
lsp = extraconf.lsp
end
end
table.sort(sourcefiles)
depend.on_changed(function ()
-- we use task instead of os.exec("xmake") to avoid the project lock
local filename = "compile_commands.json"
local filepath = outputdir and path.join(outputdir, filename) or filename
task.run("project", {kind = "compile_commands", outputdir = outputdir, lsp = lsp})
print("compile_commands.json updated!")
end, {dependfile = dependfile,
files = table.join(project.allfiles(), config.filepath()),
values = sourcefiles})
lockfile:close()
end
end)
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