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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 compiler.lua
--
-- define module
local compiler = compiler or {}
-- load modules
local io = require("base/io")
local path = require("base/path")
local utils = require("base/utils")
local table = require("base/table")
local string = require("base/string")
local option = require("base/option")
local tool = require("tool/tool")
local builder = require("tool/builder")
local config = require("project/config")
local sandbox = require("sandbox/sandbox")
local language = require("language/language")
local platform = require("platform/platform")
-- get the language of compiler
function compiler:_language()
-- get it
return self._LANGUAGE
end
-- add flags from the platform
function compiler:_addflags_from_platform(flags)
-- add flags
local toolkind = self:get("kind")
for _, flagkind in ipairs(self:_flagkinds()) do
table.join2(flags, platform.get(flagkind))
end
end
-- add flags from the compiler
function compiler:_addflags_from_compiler(flags, kind)
-- done
for _, flagkind in ipairs(self:_flagkinds()) do
-- add compiler.xxflags
table.join2(flags, self:get(flagkind))
-- add compiler.kind.xxflags
if kind ~= nil and self:get(kind) ~= nil then
table.join2(flags, self:get(kind)[flagkind])
end
end
end
-- load the compiler from the given source kind
function compiler.load(sourcekind)
-- check
assert(sourcekind)
-- get it directly from cache dirst
compiler._INSTANCES = compiler._INSTANCES or {}
if compiler._INSTANCES[sourcekind] then
return compiler._INSTANCES[sourcekind]
end
-- new instance
local instance = table.inherit(compiler, builder)
-- load the compiler tool from the source kind
local result, errors = tool.load(sourcekind)
if not result then
return nil, errors
end
instance._TOOL = result
-- load the compiler language from the source kind
result, errors = language.load_sk(sourcekind)
if not result then
return nil, errors
end
instance._LANGUAGE = result
-- init target kind
instance._TARGETKIND = "object"
-- init name flags
instance._NAMEFLAGS = result:nameflags()[instance:_targetkind()]
-- init flag kinds
instance._FLAGKINDS = table.wrap(result:sourceflags()[sourcekind])
-- save this instance
compiler._INSTANCES[sourcekind] = instance
-- ok
return instance
end
-- build the source files
function compiler:build(sourcefiles, targetkind, targetfile, target)
-- get it
return sandbox.load(self:_tool().build, sourcefiles, targetkind, targetfile, (self:compflags(target)) .. " " .. (target:linkflags()))
end
-- get the build command
function compiler:buildcmd(sourcefiles, targetkind, targetfile, target)
-- get it
return self:_tool().buildcmd(sourcefiles, targetkind, targetfile, (self:compflags(target) .. " " .. (target:linkflags())))
end
-- compile the source files
function compiler:compile(sourcefiles, objectfile, incdepfile, target)
-- compile it
return sandbox.load(self:_tool().compile, sourcefiles, objectfile, incdepfile, (self:compflags(target)))
end
-- get the compile command
function compiler:compcmd(sourcefiles, objectfile, target)
-- get it
return self:_tool().compcmd(sourcefiles, objectfile, (self:compflags(target)))
end
-- get the compling flags
function compiler:compflags(target)
-- no target?
if not target then
return "", {}
end
-- get the target key
local key = tostring(target)
-- get it directly from cache dirst
self._FLAGS = self._FLAGS or {}
local flags_cached = self._FLAGS[key]
if flags_cached then
return flags_cached[1], flags_cached[2]
end
-- add flags from the configure
local flags = {}
self:_addflags_from_config(flags)
-- add flags from the target
self:_addflags_from_target(flags, target)
-- add flags (named) from language
self:_addflags_from_language(flags, target)
-- add flags from the platform
self:_addflags_from_platform(flags)
-- add flags from the compiler
self:_addflags_from_compiler(flags, target:get("kind"))
-- remove repeat
flags = table.unique(flags)
-- concat
local flags_str = table.concat(flags, " "):trim()
-- save flags
self._FLAGS[key] = {flags_str, flags}
-- get it
return flags_str, flags
end
-- return module
return compiler
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