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81 lines
3.5 KiB
81 lines
3.5 KiB
1 year ago
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-- Generate source files from wayland protocol files
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-- for example
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--[[
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if is_plat("linux") then
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add_rules("wayland-protocols@wayland.protocols")
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on_load(function(target)
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local pkg = target:pkg("wayland-protocols")
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local wayland_protocols_dir = path.join(target:pkg("wayland-protocols"):installdir() or "/usr", "share", "wayland-protocols")
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local protocols = {path.join("stable", "xdg-shell", "xdg-shell.xml"),
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path.join("unstable", "xdg-decoration", "xdg-decoration-unstable-v1.xml")}
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for _, protocol in ipairs(protocols) do
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target:add("files", path.join(wayland_protocols_dir, protocol))
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end
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end)
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end
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]]
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rule("wayland.protocols")
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set_extensions(".xml")
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on_load(function(target)
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if target:rule("c++.build") then
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local rule = target:rule("c++.build"):clone()
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rule:add("deps", "wayland.protocols", {order = true})
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target:rule_add(rule)
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end
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end)
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on_config(function(target)
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import("core.base.option")
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local outputdir = target:extraconf("rules", "wayland.protocols", "outputdir") or path.join(target:autogendir(), "rules", "wayland.protocols")
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if not os.isdir(outputdir) then
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os.mkdir(outputdir)
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end
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target:add("includedirs", outputdir)
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local dryrun = option.get("dry-run")
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local sourcebatches = target:sourcebatches()
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if not dryrun and sourcebatches["wayland.protocols"] and sourcebatches["wayland.protocols"].sourcefiles then
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for _, protocol in ipairs(sourcebatches["wayland.protocols"].sourcefiles) do
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local clientfile = path.join(outputdir, path.basename(protocol) .. ".h")
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local privatefile = path.join(outputdir, path.basename(protocol) .. ".c")
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-- for c++ module dependency discovery
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if not os.exists(clientfile) then
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os.touch(clientfile)
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end
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target:add("files", privatefile, {always_added = true})
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end
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end
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end)
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before_buildcmd_file(function(target, batchcmds, sourcefile, opt)
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import("lib.detect.find_tool")
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local outputdir = target:extraconf("rules", "wayland.protocols", "outputdir") or path.join(target:autogendir(), "rules", "wayland.protocols")
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local wayland_scanner = find_tool("wayland-scanner")
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assert(wayland_scanner, "wayland-scanner not found! please install wayland package")
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local clientfile = path.join(outputdir, path.basename(sourcefile) .. ".h")
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local privatefile = path.join(outputdir, path.basename(sourcefile) .. ".c")
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local client_flag = "client-header"
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local private_flag = "private-code"
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local client_flags = {client_flag, sourcefile, clientfile}
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local private_flags = {private_flag, sourcefile, privatefile}
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batchcmds:show_progress(opt.progress, "${color.build.object}generating.wayland.protocol.client %s", path.basename(sourcefile))
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batchcmds:vexecv(wayland_scanner.program, client_flags)
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batchcmds:show_progress(opt.progress, "${color.build.object}generating.wayland.protocol.private %s", path.basename(sourcefile))
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batchcmds:vexecv(wayland_scanner.program, private_flags)
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batchcmds:add_depfiles(sourcefile)
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batchcmds:set_depmtime(os.mtime(privatefile))
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batchcmds:set_depcache(target:dependfile(privatefile))
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end)
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