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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) 2015-2020, 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")
-- 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
local progress = opt.progress
-- 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 {})
-- need build this object?
local depvalues = {compinst:program(), compflags}
if not depend.is_changed(dependinfo, {lastmtime = os.mtime(objectfile), 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
cprintf("${color.build.progress}" .. theme.get("text.build.progress_format") .. ":${clear} ", progress)
if verbose then
cprint("${dim color.build.object}%scompiling.$(mode) %s", exists_ccache and "ccache " or "", sourcefile)
else
cprint("${color.build.object}%scompiling.$(mode) %s", exists_ccache and "ccache " or "", sourcefile)
end
end
-- trace verbose info
if verbose then
print(compinst:compcmd(sourcefile, objectfile, {compflags = compflags}))
end
-- flush io buffer to update progress info
io.flush()
-- compile it
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
-- build object
function _build_object(target, sourcebatch, index, opt)
-- get the object and source with the given index
local sourcefile = sourcebatch.sourcefiles[index]
local objectfile = sourcebatch.objectfiles[index]
local dependfile = sourcebatch.dependfiles[index]
local sourcekind = assert(sourcebatch.sourcekind, "%s: sourcekind not found!", sourcefile)
-- get progress range
local progress = assert(opt.progress, "no progress!")
-- calculate progress
local progress_now = progress.start + ((index - 1) * (progress.stop - progress.start)) / #sourcebatch.sourcefiles
-- init build option
local opt = table.join(opt, {objectfile = objectfile, dependfile = dependfile, sourcekind = sourcekind, progress = progress_now})
-- do before build
local before_build_file = target:script("build_file_before")
if before_build_file then
before_build_file(target, sourcefile, opt)
end
-- do build
local on_build_file = target:script("build_file")
if on_build_file then
opt.origin = _do_build_file
on_build_file(target, sourcefile, opt)
opt.origin = nil
else
_do_build_file(target, sourcefile, opt)
end
-- do after build
local after_build_file = target:script("build_file_after")
if after_build_file then
after_build_file(target, sourcefile, opt)
end
end
-- build the source files
function main(target, sourcebatch, opt)
-- get the max job count
local jobs = tonumber(option.get("jobs") or "4")
-- run build jobs for each source file
local curdir = os.curdir()
process.runjobs(function (index)
-- force to set the current directory first because the other jobs maybe changed it
os.cd(curdir)
-- build object
_build_object(target, sourcebatch, index, opt)
end, #sourcebatch.sourcefiles, jobs)
end
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