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path: root/xmake/rules/wdk/tracewpp/xmake.lua
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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
--

-- define rule: tracewpp
rule("wdk.tracewpp")

    -- add rule: wdk environment
    add_deps("wdk.env")

    -- before load
    on_load(function (target)

        -- imports
        import("core.project.config")

        -- get wdk
        local wdk = target:data("wdk")

        -- get arch
        local arch = assert(config.arch(), "arch not found!")

        -- get tracewpp
        local tracewpp = path.join(wdk.bindir, arch, is_host("windows") and "tracewpp.exe" or "tracewpp")
        if not os.isexec(tracewpp) then
            tracewpp = path.join(wdk.bindir, wdk.sdkver, arch, is_host("windows") and "tracewpp.exe" or "tracewpp")
        end

        -- save tracewpp
        target:data_set("wdk.tracewpp", tracewpp)

        -- save config directory
        target:data_set("wdk.tracewpp.configdir", path.join(wdk.bindir, wdk.sdkver, "WppConfig", "Rev1"))
    end)

    -- before build file
    before_build_file(function (target, sourcefile, opt)

        -- imports
        import("core.base.option")
        import("core.theme.theme")
        import("core.project.depend")
        import("utils.progress")

        -- get tracewpp
        local tracewpp = target:data("wdk.tracewpp")
        assert(tracewpp and os.isexec(tracewpp), "tracewpp not found!")

        -- get outputdir
        local outputdir = path.join(target:autogendir(), "rules", "wdk", "wpp")

        -- get configdir
        local configdir = target:data("wdk.tracewpp.configdir")

        -- init args
        local args = {}
        if target:rule("wdk.driver") and (target:rule("wdk.env.kmdf") or target:rule("wdk.env.wdm")) then
            table.insert(args, "-km")
            table.insert(args, "-gen:{km-WdfDefault.tpl}*.tmh")
        end
        local flags = target:values("wdk.tracewpp.flags", sourcefile)
        if flags then
            table.join2(args, flags)
        end
        table.insert(args, "-cfgdir:" .. configdir)
        table.insert(args, "-odir:" .. outputdir)
        table.insert(args, sourcefile)

        -- add includedirs
        target:add("includedirs", outputdir)

        -- need build this object?
        local targetfile = path.join(outputdir, path.basename(sourcefile) .. ".tmh")
        local dependfile = target:dependfile(targetfile)
        local dependinfo = target:is_rebuilt() and {} or (depend.load(dependfile) or {})
        if not depend.is_changed(dependinfo, {lastmtime = os.mtime(targetfile), values = args}) then
            return
        end

        -- trace progress info
        progress.show(opt.progress, "${color.build.object}compiling.wdk.tracewpp %s", sourcefile)

        -- ensure the output directory
        if not os.isdir(outputdir) then
            os.mkdir(outputdir)
        end

        -- remove the previous target file first
        os.tryrm(targetfile)

        -- generate the *.tmh file
        os.vrunv(tracewpp, args)

        -- update files and values to the dependent file
        dependinfo.files  = {sourcefile}
        dependinfo.values = args
        depend.save(dependinfo, dependfile)
    end)