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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, Xmake Open Source Community.
--
-- @author ruki
-- @file utils.lua
--
-- generate header file from binary file
--
-- @param target the target
-- @param batchcmds the batch commands
-- @param binaryfile the binary file path
-- @param opt the options
-- - progress: the progress callback
-- - linewidth: the line width for output (optional)
-- - nozeroend: disable null terminator (deprecated, for backward compatibility only)
-- - zeroend: enable null terminator (default: true, bin2c enables zeroend by default for compatibility)
-- - rulename: the rule name for getting extra config (default: utils.bin2c)
-- - headerfile: the output header file path (optional, auto-generated if not provided)
-- - headerdir: the header directory (optional, auto-generated if not provided)
--
function generate_headerfile(target, batchcmds, binaryfile, opt)
opt = opt or {}
local rulename = opt.rulename or "utils.bin2c"
local progress = opt.progress
-- get header directory and file
local headerdir = opt.headerdir
local headerfile = opt.headerfile
if not headerfile then
if not headerdir then
headerdir = path.join(target:autogendir(), "rules", "utils", "bin2c")
end
headerfile = path.join(headerdir, path.filename(binaryfile) .. ".h")
else
headerdir = headerdir or path.directory(headerfile)
end
-- add includedirs
target:add("includedirs", headerdir)
-- add commands
if progress then
batchcmds:show_progress(progress, "${color.build.object}generating.bin2c %s", binaryfile)
end
batchcmds:mkdir(headerdir)
-- build argv
local argv = {"-i", path(binaryfile), "-o", path(headerfile)}
-- get linewidth
local linewidth = opt.linewidth or target:extraconf("rules", rulename, "linewidth")
if linewidth then
table.insert(argv, "-w")
table.insert(argv, tostring(linewidth))
end
-- get nozeroend/zeroend (check file-level config first, then rule-level config, then opt)
local fileconfig = target:fileconfig(binaryfile)
local nozeroend = nil
if fileconfig then
if fileconfig.nozeroend ~= nil then
nozeroend = fileconfig.nozeroend
elseif fileconfig.zeroend ~= nil then
nozeroend = not fileconfig.zeroend
end
end
if nozeroend == nil then
nozeroend = target:extraconf("rules", rulename, "nozeroend") or false
end
-- also support zeroend in opt (inverse of nozeroend)
if opt.zeroend ~= nil then
nozeroend = not opt.zeroend
elseif opt.nozeroend ~= nil then
nozeroend = opt.nozeroend
end
if nozeroend then
table.insert(argv, "--nozeroend")
end
batchcmds:vlua("cli.binutils.bin2c", argv)
return headerfile
end
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