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|
--!The Automatic Cross-platform Build Tool
--
-- XMake is free software; you can redistribute it and/or modify
-- it under the terms of the GNU Lesser General Public License as published by
-- the Free Software Foundation; either version 2.1 of the License, or
-- (at your option) any later version.
--
-- XMake is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU Lesser General Public License for more details.
--
-- You should have received a copy of the GNU Lesser General Public License
-- along with XMake;
-- If not, see <a href="http://www.gnu.org/licenses/"> http://www.gnu.org/licenses/</a>
--
-- Copyright (C) 2009 - 2015, ruki All rights reserved.
--
-- @author ruki
-- @file compiler.lua
--
-- define module: compiler
local compiler = compiler or {}
-- load modules
local path = require("base/path")
local utils = require("base/utils")
local string = require("base/string")
local config = require("base/config")
-- map gcc flags to the given compiler flags
function compiler._mapflags(self, flags)
-- check
assert(self and flags);
-- need not map flags? return it directly
if not self.mapflag then
return flags
end
-- the configure
local configs = self._CONFIGS
assert(configs)
-- map flags
local flags_mapped = {}
for _, flag in pairs(flags) do
-- map it
local flag_mapped = self._mapflag(configs, flag)
if flag_mapped then
flags_mapped[table.getn(flags_mapped) + 1] = flag_mapped
end
end
-- ok?
return flag_mapped
end
-- make the compile command
function compiler._make(self, target, filetype, srcfile, objfile)
-- check
assert(self and target and filetype);
-- the configure
local configs = self._CONFIGS
assert(configs)
-- the flag names
local flag_names = nil
if filetype == "cc" then flag_names = { "cxflags", "cflags" }
elseif filetype == "cxx" then flag_names = { "cxflags", "cxxflags" }
elseif filetype == "mm" then flag_names = { "mxflags", "mflags" }
elseif filetype == "mxx" then flag_names = { "mxflags", "mxxflags" }
elseif filetype == "as" then flag_names = { "asflags" }
-- error
utils.error("unknown filetype for compiler: %s", filetype)
return
end
-- get the common flags from the current compiler
local flags_common = ""
for _, flag_name in ipairs(flag_names) do
flags_common = string.format("%s %s", flags_common, configs[flag_name] or "")
end
-- get the target flags from the current project
local flags_target = ""
for _, flag_name in ipairs(flag_names) do
-- get flags
local flags = table.concat(compiler._mapflags(self, utils.wrap(target[flag_name])), " ")
-- append flags
flags_target = string.format("%s %s", flags_target, flags or "")
end
-- get the includedirs flags from the current project
if self._make_includedir then
local includedirs = utils.wrap(target.includedirs)
for _, includedir in ipairs(includedirs) do
flags_target = string.format("%s %s", flags_target, self._make_includedir(configs, includedir))
end
end
-- get the defines flags from the current project
if self._make_define then
local defines = utils.wrap(target.defines)
for _, define in ipairs(defines) do
flags_target = string.format("%s %s", flags_target, self._make_define(configs, define))
end
end
-- get the config flags
local flags_config = ""
for _, flag_name in ipairs(flag_names) do
-- get flags
local flags = table.concat(compiler._mapflags(self, utils.wrap(config.get(flag_name))), " ")
-- append flags
flags_config = string.format("%s %s", flags_config, flags or "")
end
-- make the flags string
local flags = string.format("%s %s %s", flags_common, flags_target, flags_config)
-- get it
return self._make(configs, srcfile, objfile, flags)
end
-- load the given compiler
function compiler.load(name)
-- check
assert(name and type(name) == "string")
-- gcc?
local module = nil
if name:find("gcc", 1, true) then module = "gcc"
-- clang?
elseif name:find("clang", 1, true) then module = "clang"
-- cl.exe?
elseif name:find("cl.exe", 1, true) then module = "msvc"
-- icc?
elseif name:find("icc", 1, true) then module = "icc"
-- as?
elseif name:find("as", 1, true) then module = "as"
-- unknown?
else
-- error
utils.error("unknown compiler: %s", name)
return nil
end
-- load the given compiler
local c = require("compiler/_" .. module)
if not c then
return nil
end
-- the compiler has been loaded? return it directly
if c._CONFIGS then
return c
end
-- make the compiler configure
c._CONFIGS = {}
local configs = c._CONFIGS
-- init the compiler name
configs.name = name
-- init the compiler configure
c._init(configs)
-- init interfaces
c["make"] = compiler._make
-- ok?
return c
end
-- get the source file type
function compiler.filetype(srcfile)
-- get the source file type
local filetype = path.extension(srcfile)
if not filetype then
return nil
end
-- get the lower file type
filetype = filetype:lower()
-- get the compiler name
local name = nil
if filetype == ".c" then name = "cc"
elseif filetype == ".cpp" or filetype == ".cc" then name = "cxx"
elseif filetype == ".m" then name = "mm"
elseif filetype == ".mm" then name = "mxx"
elseif filetype == ".s" or filetype == ".asm" then name = "as"
end
-- ok
return name
end
-- return module: compiler
return compiler
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