summaryrefslogtreecommitdiff
path: root/xmake/rules/qt/moc/xmake.lua
blob: d4272b688b74c8def217c0263298da01ca6b469d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
--!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        xmake.lua
--

rule("qt.moc")
    add_deps("qt.env")
    add_deps("qt.ui", {order = true})
    set_extensions(".h", ".hpp")
    before_buildcmd_file(function (target, batchcmds, sourcefile, opt)
        import("core.tool.compiler")

        -- get moc
        local qt = assert(target:data("qt"), "Qt not found!")
        local moc = path.join(qt.bindir, is_host("windows") and "moc.exe" or "moc")
        if not os.isexec(moc) and qt.libexecdir then
            moc = path.join(qt.libexecdir, is_host("windows") and "moc.exe" or "moc")
        end
        if not os.isexec(moc) and qt.libexecdir_host then
            moc = path.join(qt.libexecdir_host, is_host("windows") and "moc.exe" or "moc")
        end
        assert(moc and os.isexec(moc), "moc not found!")

        -- get c++ source file for moc
        --
        -- add_files("mainwindow.h") -> moc_MainWindow.cpp
        -- add_files("mainwindow.cpp", {rules = "qt.moc"}) -> mainwindow.moc, @see https://github.com/xmake-io/xmake/issues/750
        --
        local basename = path.basename(sourcefile)
        local filename_moc = "moc_" .. basename .. ".cpp"
        if sourcefile:endswith(".cpp") then
            filename_moc = basename .. ".moc"
        end
        -- we need to retain the file directory structure, @see https://github.com/xmake-io/xmake/issues/2343
        local sourcefile_moc = target:autogenfile(path.join(path.directory(sourcefile), filename_moc))

        -- add objectfile
        local objectfile = target:objectfile(sourcefile_moc)
        table.insert(target:objectfiles(), objectfile)

        -- add commands
        batchcmds:show_progress(opt.progress, "${color.build.object}compiling.qt.moc %s", sourcefile)

        -- get values from target
        -- @see https://github.com/xmake-io/xmake/issues/3930
        local function _get_values_from_target(target, name)
            local values = {}
            for _, value in ipairs((target:get_from(name, "*"))) do
                table.join2(values, value)
            end
            return table.unique(values)
        end

        -- generate c++ source file for moc
        local flags = {}
        table.join2(flags, compiler.map_flags("cxx", "define", _get_values_from_target(target, "defines")))
        local pathmaps = {
            {"includedirs", "includedir"},
            {"sysincludedirs", "includedir"}, -- for now, moc process doesn't support MSVC external includes flags and will fail
            {"frameworkdirs", "frameworkdir"}
        }
        for _, pathmap in ipairs(pathmaps) do
            for _, item in ipairs(_get_values_from_target(target, pathmap[1])) do
                local pathitem = path(item, function (p)
                    local item = table.unwrap(compiler.map_flags("cxx", pathmap[2], p))
                    if item then
                        -- we always need use '/' to fix it for project generator, because it will use path.translate in cl.lua
                        item = item:gsub("\\", "/")
                    end
                    return item
                end)
                if not pathitem:empty() then
                    table.insert(flags, pathitem)
                end
            end
        end
        local user_flags = target:get("qt.moc.flags") or {}
        batchcmds:mkdir(path.directory(sourcefile_moc))
        batchcmds:vrunv(moc, table.join(user_flags, flags, path(sourcefile), "-o", path(sourcefile_moc)))

        -- we need to compile this moc_xxx.cpp file if exists Q_PRIVATE_SLOT, @see https://github.com/xmake-io/xmake/issues/750
        local mocdata = io.readfile(sourcefile)
        if mocdata and mocdata:find("Q_PRIVATE_SLOT") or sourcefile_moc:endswith(".moc") then
            -- add includedirs of sourcefile_moc
            target:add("includedirs", path.directory(sourcefile_moc))

            -- remove the object file of sourcefile_moc
            local objectfiles = target:objectfiles()
            for idx, objectfile in ipairs(objectfiles) do
                if objectfile == target:objectfile(sourcefile_moc) then
                    table.remove(objectfiles, idx)
                    break
                end
            end
            batchcmds:set_depmtime(os.mtime(sourcefile_moc))
            batchcmds:set_depcache(target:dependfile(sourcefile_moc))
        else
            -- compile c++ source file for moc
            batchcmds:compile(sourcefile_moc, objectfile)
            batchcmds:set_depmtime(os.mtime(objectfile))
            batchcmds:set_depcache(target:dependfile(objectfile))
        end

        -- add deps
        batchcmds:add_depfiles(sourcefile)
    end)