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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 rule_groups.lua
--
-- imports
import("core.base.option")
import("core.project.rule")
import("core.project.config")
import("core.project.project")
-- get rule
-- @note we need to get rule from target first, because we maybe will inject and replace builtin rule in target
function get_rule(target, rulename)
local ruleinst = assert(target:rule(rulename) or project.rule(rulename) or rule.rule(rulename), "unknown rule: %s", rulename)
return ruleinst
end
-- get max depth of rule
function _get_rule_max_depth(target, ruleinst, depth)
local max_depth = depth
for _, depname in ipairs(ruleinst:get("deps")) do
local dep = get_rule(target, depname)
local dep_depth = depth
if ruleinst:extraconf("deps", depname, "order") then
dep_depth = dep_depth + 1
end
local cur_depth = _get_rule_max_depth(target, dep, dep_depth)
if cur_depth > max_depth then
max_depth = cur_depth
end
end
return max_depth
end
-- build sourcebatch groups for target
function _build_sourcebatch_groups_for_target(groups, target, sourcebatches)
local group = groups[1]
for _, sourcebatch in pairs(sourcebatches) do
local rulename = assert(sourcebatch.rulename, "unknown rule for sourcebatch!")
local item = group[rulename] or {}
item.target = target
item.sourcebatch = sourcebatch
group[rulename] = item
end
end
-- build sourcebatch groups for rules
function _build_sourcebatch_groups_for_rules(groups, target, sourcebatches)
for _, sourcebatch in pairs(sourcebatches) do
local rulename = assert(sourcebatch.rulename, "unknown rule for sourcebatch!")
local ruleinst = get_rule(target, rulename)
local depth = _get_rule_max_depth(target, ruleinst, 1)
local group = groups[depth]
if group == nil then
group = {}
groups[depth] = group
end
local item = group[rulename] or {}
item.rule = ruleinst
item.sourcebatch = sourcebatch
group[rulename] = item
end
end
-- build sourcebatch groups by rule dependencies order, e.g. `add_deps("qt.ui", {order = true})`
--
-- @see https://github.com/xmake-io/xmake/issues/2814
--
function build_sourcebatch_groups(target, sourcebatches)
local groups = {{}}
_build_sourcebatch_groups_for_target(groups, target, sourcebatches)
_build_sourcebatch_groups_for_rules(groups, target, sourcebatches)
if #groups > 0 then
groups = table.reverse(groups)
end
return groups
end
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