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--!The Make-like Build Utility based on Lua
--
-- Licensed to the Apache Software Foundation (ASF) under one
-- or more contributor license agreements. See the NOTICE file
-- distributed with this work for additional information
-- regarding copyright ownership. The ASF licenses this file
-- to you 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 - 2017, TBOOX Open Source Group.
--
-- @author ruki
-- @file environment.lua
--
-- imports
import("core.project.config")
import("core.project.global")
-- enter the given environment
function _enter(name)
-- get the pathes for the vs environment
local old = nil
local new = config.get("__vsenv_" .. name) or global.get("__vsenv_" .. name)
if new then
-- get the current pathes
old = os.getenv(name) or ""
-- append the current pathes
new = new .. ";" .. old
-- update the pathes for the environment
os.setenv(name, new)
end
-- return the previous environment
return old;
end
-- leave the given environment
function _leave(name, old)
-- restore the previous environment
if old then
os.setenv(name, old)
end
end
-- enter the toolchains environment (vs)
function _enter_toolchains()
_g.pathes = _enter("path")
_g.libs = _enter("lib")
_g.includes = _enter("include")
_g.libpathes = _enter("libpath")
end
-- leave the toolchains environment (vs)
function _leave_toolchains()
_leave("path", _g.pathes)
_leave("lib", _g.libs)
_leave("include", _g.includes)
_leave("libpath", _g.libpathes)
end
-- enter the toolchains environment (vs)
function enter(name)
-- the maps
local maps = {toolchains = _enter_toolchains}
-- enter it
local func = maps[name]
if func then
func()
end
end
-- leave the toolchains environment (vs)
function leave(name)
-- the maps
local maps = {toolchains = _leave_toolchains}
-- leave it
local func = maps[name]
if func then
func()
end
end
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