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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 tool governing permissions and
-- limitations under the License.
--
-- Copyright (C) 2015-2020, TBOOX Open Source Group.
--
-- @author ruki
-- @file tool.lua
--
-- define module
local tool = tool or {}
local _instance = _instance or {}
-- load modules
local os = require("base/os")
local path = require("base/path")
local utils = require("base/utils")
local table = require("base/table")
local string = require("base/string")
local config = require("project/config")
local sandbox = require("sandbox/sandbox")
local platform = require("platform/platform")
local import = require("sandbox/modules/import")
-- new an instance
function _instance.new(kind, name, program)
-- import "core.tools.xxx"
local toolclass = nil
if os.isfile(path.join(os.programdir(), "modules", "core", "tools", name .. ".lua")) then
toolclass = import("core.tools." .. name)
end
-- not found?
if not toolclass then
return nil, string.format("cannot import \"core.tool.%s\" module!", name)
end
-- new an instance
local instance = table.inherit(_instance, toolclass)
-- save name, kind and program
instance._NAME = name
instance._KIND = kind
instance._PROGRAM = program
instance._INFO = {}
-- init instance
if instance.init then
local ok, errors = sandbox.load(instance.init, instance)
if not ok then
return nil, errors
end
end
-- ok
return instance
end
-- get the tool name
function _instance:name()
return self._NAME
end
-- get the tool kind
function _instance:kind()
return self._KIND
end
-- get the tool program
function _instance:program()
return self._PROGRAM
end
-- set the value to the platform info
function _instance:set(name, ...)
self._INFO[name] = table.unwrap({...})
end
-- add the value to the platform info
function _instance:add(name, ...)
local info = table.wrap(self._INFO[name])
self._INFO[name] = table.unwrap(table.join(info, ...))
end
-- get the platform configure
function _instance:get(name)
if self._super_get then
local value = self:_super_get(name)
if value ~= nil then
return value
end
end
return self._INFO[name]
end
-- has the given flag?
function _instance:has_flags(flags, flagkind, opt)
-- init options
opt = opt or {}
opt.program = opt.program or self:program()
opt.toolkind = opt.toolkind or self:kind()
opt.flagkind = opt.flagkind or flagkind
-- get system flags
opt.sysflags = opt.sysflags or self:get(self:kind() .. 'flags')
if not opt.sysflags and flagkind then
opt.sysflags = self:get(flagkind)
end
-- import has_flags()
self._has_flags = self._has_flags or import("lib.detect.has_flags", {anonymous = true})
-- has flags?
return self._has_flags(self:name(), flags, opt)
end
-- load the given tool from the given kind
--
-- @param kind the tool kind e.g. cc, cxx, mm, mxx, as, ar, ld, sh, ..
-- @param program the tool program, e.g. /xxx/arm-linux-gcc, [email protected]
--
function tool.load(kind, program)
-- init key
local key = kind .. (program or "") .. (config.get("arch") or os.arch())
-- get it directly from cache dirst
tool._TOOLS = tool._TOOLS or {}
if tool._TOOLS[key] then
return tool._TOOLS[key]
end
-- contain toolname? parse it, e.g. '[email protected]'
local toolname = nil
if program then
local pos = program:find('@', 1, true)
if pos then
toolname = program:sub(1, pos - 1)
program = program:sub(pos + 1)
end
end
-- get the tool program and name
if not program then
program, toolname = platform.tool(kind)
end
if not program then
return nil, string.format("cannot get program for %s", kind)
end
-- import find_toolname()
tool._find_toolname = tool._find_toolname or import("lib.detect.find_toolname")
-- get the tool name from the program
local ok, name_or_errors = sandbox.load(tool._find_toolname, toolname or program, {program = program})
if not ok then
return nil, name_or_errors
end
-- get name
local name = name_or_errors
if not name then
return nil, string.format("cannot find known tool script for %s", toolname or program)
end
-- new an instance
local instance, errors = _instance.new(kind, name, program)
if not instance then
return nil, errors
end
-- save instance to the cache
tool._TOOLS[key] = instance
-- ok
return instance
end
-- return module
return tool
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