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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 msvc.lua
--
-- imports
import("core.tool.compiler")
import("private.action.build.object", {alias = "objectbuilder"})
import("module_parser")
-- build module files
function build_with_batchjobs(target, batchjobs, sourcebatch, opt)
-- get modules flag
local modulesflag
local compinst = compiler.load("cxx", {target = target})
if compinst:has_flags("/experimental:module") then
modulesflag = "/experimental:module"
end
assert(modulesflag, "compiler(msvc): does not support c++ module!")
-- get output flag
local cachedir
local outputflag
if compinst:has_flags("/ifcOutput") then
outputflag = "/ifcOutput"
cachedir = path.join(target:autogendir(), "rules", "modules", "cache")
if not os.isdir(cachedir) then
os.mkdir(cachedir)
end
elseif compinst:has_flags("/module:output") then
outputflag = "/module:output"
end
assert(outputflag, "compiler(msvc): does not support c++ module!")
-- get interface flag
local interfaceflag
if compinst:has_flags("/interface") then
interfaceflag = "/interface"
elseif compinst:has_flags("/module:interface") then
interfaceflag = "/module:interface"
end
assert(interfaceflag, "compiler(msvc): does not support c++ module!")
-- get reference flag
local referenceflag
if compinst:has_flags("/reference") then
referenceflag = "/reference"
elseif compinst:has_flags("/module:interface") then
referenceflag = "/module:reference"
end
assert(referenceflag, "compiler(msvc): does not support c++ module!")
-- we need patch objectfiles to sourcebatch for linking module objects
local modulefiles = {}
sourcebatch.sourcekind = "cxx"
sourcebatch.objectfiles = sourcebatch.objectfiles or {}
sourcebatch.dependfiles = sourcebatch.dependfiles or {}
for _, sourcefile in ipairs(sourcebatch.sourcefiles) do
local objectfile = target:objectfile(sourcefile)
local dependfile = target:dependfile(objectfile)
local modulefile = (cachedir and path.join(cachedir, path.basename(sourcefile)) or objectfile) .. ".ifc"
table.insert(modulefiles, modulefile)
table.insert(sourcebatch.objectfiles, objectfile)
table.insert(sourcebatch.dependfiles, dependfile)
end
-- load moduledeps
local moduledeps = module_parser.load(target, sourcebatch, opt)
-- build moduledeps
local moduledeps_files = module_parser.build(moduledeps)
-- compile module files to object files
local count = 0
local sourcefiles_total = #sourcebatch.sourcefiles
for i = 1, sourcefiles_total do
local sourcefile = sourcebatch.sourcefiles[i]
local moduledep = assert(moduledeps_files[sourcefile], "moduledep(%s) not found!", sourcefile)
moduledep.job = batchjobs:newjob(sourcefile, function (index, total)
local opt2 = table.join(opt, {configs = {force = {cxxflags = {interfaceflag,
outputflag .. " " .. os.args(modulefiles[i]), "/TP"}}}})
opt2.progress = (index * 100) / total
opt2.objectfile = sourcebatch.objectfiles[i]
opt2.dependfile = sourcebatch.dependfiles[i]
opt2.sourcekind = assert(sourcebatch.sourcekind, "%s: sourcekind not found!", sourcefile)
objectbuilder.build_object(target, sourcefile, opt2)
-- add module flags to other c++ files after building all modules
count = count + 1
if count == sourcefiles_total and not cachedir then
for _, modulefile in ipairs(modulefiles) do
target:add("cxxflags", referenceflag .. " " .. os.args(modulefile))
end
end
end)
end
-- add module flags
target:add("cxxflags", modulesflag)
if cachedir then
target:add("cxxflags", "/ifcSearchDir " .. os.args(cachedir))
end
-- build batchjobs
local rootjob = opt.rootjob
for _, moduledep in pairs(moduledeps) do
if moduledep.parents then
for _, parent in ipairs(moduledep.parents) do
batchjobs:add(moduledep.job, parent.job)
end
else
batchjobs:add(moduledep.job, rootjob)
end
end
end
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