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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, Xmake Open Source Community.
--
-- @author ruki
-- @file build_files.lua
--
-- imports
import("core.base.option")
import("core.base.hashset")
import("core.project.config")
import("core.project.project")
import("private.async.jobpool")
import("async.runjobs")
import("kinds.object")
-- match source files
function _match_sourcefiles(sourcefile, filepatterns)
for _, filepattern in ipairs(filepatterns) do
if sourcefile:match(filepattern.pattern) == sourcefile then
if filepattern.excludes then
if filepattern.rootdir and sourcefile:startswith(filepattern.rootdir) then
sourcefile = sourcefile:sub(#filepattern.rootdir + 2)
end
for _, exclude in ipairs(filepattern.excludes) do
if sourcefile:match(exclude) == sourcefile then
return false
end
end
end
return true
end
end
end
-- add batch jobs
function _add_batchjobs(batchjobs, rootjob, target, filepatterns)
local newbatches = {}
local sourcecount = 0
for rulename, sourcebatch in pairs(target:sourcebatches()) do
local objectfiles = sourcebatch.objectfiles
local dependfiles = sourcebatch.dependfiles
local sourcekind = sourcebatch.sourcekind
for idx, sourcefile in ipairs(sourcebatch.sourcefiles) do
if _match_sourcefiles(sourcefile, filepatterns) then
local newbatch = newbatches[rulename]
if not newbatch then
newbatch = {}
newbatch.sourcekind = sourcekind
newbatch.rulename = rulename
newbatch.sourcefiles = {}
end
table.insert(newbatch.sourcefiles, sourcefile)
if objectfiles then
newbatch.objectfiles = newbatch.objectfiles or {}
table.insert(newbatch.objectfiles, objectfiles[idx])
end
if dependfiles then
newbatch.dependfiles = newbatch.dependfiles or {}
table.insert(newbatch.dependfiles, dependfiles[idx])
end
newbatches[rulename] = newbatch
sourcecount = sourcecount + 1
end
end
end
if sourcecount > 0 then
return object.add_batchjobs_for_sourcefiles(batchjobs, rootjob, target, newbatches)
end
end
-- add batch jobs for the given target
function _add_batchjobs_for_target(batchjobs, rootjob, target, filepatterns)
-- has been disabled?
if not target:is_enabled() then
return
end
-- add batch jobs for target
return _add_batchjobs(batchjobs, rootjob, target, filepatterns)
end
-- add batch jobs for the given target and deps
function _add_batchjobs_for_target_and_deps(batchjobs, rootjob, jobrefs, target, filepatterns)
local targetjob_ref = jobrefs[target:name()]
if targetjob_ref then
batchjobs:add(targetjob_ref, rootjob)
else
local targetjob, targetjob_root = _add_batchjobs_for_target(batchjobs, rootjob, target, filepatterns)
if targetjob and targetjob_root then
jobrefs[target:name()] = targetjob_root
if not option.get("shallow") then
for _, depname in ipairs(target:get("deps")) do
_add_batchjobs_for_target_and_deps(batchjobs, targetjob, jobrefs,
project.target(depname, {namespace = target:namespace()}), filepatterns)
end
end
end
end
end
-- get batch jobs
function _get_batchjobs(targets_root, opt)
-- convert all sourcefiles to lua pattern
local filepatterns = _get_file_patterns(opt.sourcefiles)
-- generate batch jobs for default or all targets
local jobrefs = {}
local batchjobs = jobpool.new()
for _, target in pairs(targets_root) do
_add_batchjobs_for_target_and_deps(batchjobs, batchjobs:rootjob(), jobrefs, target, filepatterns)
end
return batchjobs
end
-- convert all sourcefiles to lua pattern
function _get_file_patterns(sourcefiles)
local patterns = {}
for _, sourcefile in ipairs(path.splitenv(sourcefiles)) do
-- get the excludes
local pattern = sourcefile:trim()
local excludes = pattern:match("|.*$")
if excludes then excludes = excludes:split("|", {plain = true}) end
-- translate excludes
if excludes then
local _excludes = {}
for _, exclude in ipairs(excludes) do
local exclude = path.translate(exclude)
exclude = path.pattern(exclude)
table.insert(_excludes, exclude)
end
excludes = _excludes
end
-- translate path and remove some repeat separators
pattern = path.translate(pattern:gsub("|.*$", ""))
-- remove "./" or '.\\' prefix
if pattern:sub(1, 2):find('%.[/\\]') then
pattern = pattern:sub(3)
end
-- get the root directory
local rootdir = pattern
local startpos = pattern:find("*", 1, true)
if startpos then
rootdir = rootdir:sub(1, startpos - 1)
end
rootdir = path.directory(rootdir)
-- convert to lua path pattern
pattern = path.pattern(pattern)
table.insert(patterns, {pattern = pattern, excludes = excludes, rootdir = rootdir})
end
return patterns
end
function main(targets_root, opt)
-- build all jobs
local batchjobs = _get_batchjobs(targets_root, opt)
if batchjobs and batchjobs:size() > 0 then
local curdir = os.curdir()
runjobs("build_files", batchjobs, {comax = option.get("jobs") or 1, curdir = curdir})
os.cd(curdir)
else
wprint("%s not found!", opt.sourcefiles)
end
end
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