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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 object.lua
--
-- imports
import("core.base.option")
import("core.theme.theme")
import("core.tool.compiler")
import("core.project.depend")
import("private.tools.ccache")
import("private.async.runjobs")
import("private.utils.progress")
-- do build file
function _do_build_file(target, sourcefile, opt)
-- get build info
local objectfile = opt.objectfile
local dependfile = opt.dependfile
local sourcekind = opt.sourcekind
-- load compiler
local compinst = compiler.load(sourcekind, {target = target})
-- get compile flags
local compflags = compinst:compflags({target = target, sourcefile = sourcefile, configs = opt.configs})
-- load dependent info
local dependinfo = option.get("rebuild") and {} or (depend.load(dependfile) or {})
-- dry run?
local dryrun = option.get("dry-run")
-- need build this object?
-- @note we use mtime(dependfile) instead of mtime(objectfile) to ensure the object file is is fully compiled.
-- @see https://github.com/xmake-io/xmake/issues/748
local depvalues = {compinst:program(), compflags}
if not dryrun and not depend.is_changed(dependinfo, {lastmtime = os.mtime(dependfile), values = depvalues}) then
return
end
-- is verbose?
local verbose = option.get("verbose")
-- exists ccache?
local exists_ccache = ccache.exists()
-- trace progress info
if not opt.quiet then
progress.show(opt.progress, "${color.build.object}%scompiling.$(mode) %s", exists_ccache and "ccache " or "", sourcefile)
end
-- trace verbose info
if verbose then
-- show the full link command with raw arguments, it will expand @xxx.args for msvc/link on windows
print(compinst:compcmd(sourcefile, objectfile, {compflags = compflags, rawargs = true}))
end
if not dryrun then
-- do compile
dependinfo.files = {}
assert(compinst:compile(sourcefile, objectfile, {dependinfo = dependinfo, compflags = compflags}))
-- update files and values to the dependent file
dependinfo.values = depvalues
table.join2(dependinfo.files, sourcefile, target:pcoutputfile("cxx") or {}, target:pcoutputfile("c"))
depend.save(dependinfo, dependfile)
end
end
-- build object
function _build_object(target, sourcefile, opt)
local script = target:script("build_file", _do_build_file)
if script then
script(target, sourcefile, opt)
end
end
-- build the source files
function build(target, sourcebatch, opt)
for i = 1, #sourcebatch.sourcefiles do
local sourcefile = sourcebatch.sourcefiles[i]
opt.objectfile = sourcebatch.objectfiles[i]
opt.dependfile = sourcebatch.dependfiles[i]
opt.sourcekind = assert(sourcebatch.sourcekind, "%s: sourcekind not found!", sourcefile)
_build_object(target, sourcefile, opt)
end
end
-- add batch jobs to build the source files
function main(target, batchjobs, sourcebatch, opt)
local rootjob = opt.rootjob
for i = 1, #sourcebatch.sourcefiles do
local sourcefile = sourcebatch.sourcefiles[i]
local objectfile = sourcebatch.objectfiles[i]
local dependfile = sourcebatch.dependfiles[i]
local sourcekind = assert(sourcebatch.sourcekind, "%s: sourcekind not found!", sourcefile)
batchjobs:addjob(sourcefile, function (index, total)
local build_opt = table.join({objectfile = objectfile, dependfile = dependfile, sourcekind = sourcekind, progress = (index * 100) / total}, opt)
_build_object(target, sourcefile, build_opt)
end, {rootjob = rootjob})
end
end
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