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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, TBOOX Open Source Group.
--
-- @author ruki
-- @file parse_deps.lua
--
-- imports
import("core.project.project")
import("core.base.hashset")
-- a placeholder for spaces in path
local space_placeholder = "\001"
-- normailize path of a dependecy
function _normailize_dep(dep, projectdir)
if path.is_absolute(dep) then
dep = path.translate(dep)
else
dep = path.absolute(dep, projectdir)
end
if dep:startswith(projectdir) then
return path.relative(dep, projectdir)
else
-- we need also check header files outside project
-- https://github.com/xmake-io/xmake/issues/1154
return dep
end
end
-- parse depsfiles from string
--
-- parse_deps(io.readfile(depfile, {continuation = "\\"}))
--
-- eg.
-- strcpy.o: src/tbox/libc/string/strcpy.c src/tbox/libc/string/string.h \
-- src/tbox/libc/string/prefix.h src/tbox/libc/string/../prefix.h \
-- src/tbox/libc/string/../../prefix.h \
-- src/tbox/libc/string/../../prefix/prefix.h \
-- src/tbox/libc/string/../../prefix/config.h \
-- src/tbox/libc/string/../../prefix/../config.h \
-- build/iphoneos/x86_64/release/tbox.config.h \
--
function main(depsdata)
-- we assume there is only one valid line
local results = hashset.new()
local projectdir = os.projectdir()
local line = depsdata:rtrim() -- maybe there will be an empty newline at the end. so we trim it first
local plain = {plain = true}
line = line:replace("\\ ", space_placeholder, plain)
for _, includefile in ipairs(line:split(' ', plain)) do -- it will trim all internal spaces without `{strict = true}`
-- some gcc toolchains will some invalid paths (e.g. `d\:\xxx`), we need fix it
-- https://github.com/xmake-io/xmake/issues/1196
if is_host("windows") and includefile:match("^%w\\:") then
includefile = includefile:replace("\\:", ":", plain)
end
if not includefile:endswith(":") then -- ignore "xxx.o:" prefix
includefile = includefile:replace(space_placeholder, ' ', plain)
if #includefile > 0 then
includefile = _normailize_dep(includefile, projectdir)
if includefile then
results:insert(includefile)
end
end
end
end
return results:to_array()
end
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