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90 lines
2.6 KiB
Plaintext
90 lines
2.6 KiB
Plaintext
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# Copyright 2015 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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assert(is_win, "This only runs on Windows.")
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# Runs mc.exe over a list of sources. The outputs (a header and rc file) are
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# placed in the target gen dir, and compiled.
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#
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# sources
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# List of message files to process.
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#
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# user_mode_logging (optional bool)
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# Generates user-mode logging code. Defaults to false (no logging code).
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#
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# compile_generated_code (optional, deafults = true)
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# If unset or true, the generated code will be compiled and linked into
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# targets that depend on it. If set to false, the .h and .rc files will only
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# be generated.
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#
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# deps, public_deps, visibility
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# Normal meaning.
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template("message_compiler") {
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if (defined(invoker.compile_generated_code) &&
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!invoker.compile_generated_code) {
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compile_generated_code = false
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action_name = target_name
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} else {
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compile_generated_code = true
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action_name = "${target_name}_mc"
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source_set_name = target_name
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}
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action_foreach(action_name) {
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if (compile_generated_code) {
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visibility = [ ":$source_set_name" ]
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} else {
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forward_variables_from(invoker, [ "visibility" ])
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}
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script = "//build/win/message_compiler.py"
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outputs = [
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"$target_gen_dir/{{source_name_part}}.h",
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"$target_gen_dir/{{source_name_part}}.rc",
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]
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args = [
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# The first argument is the environment file saved to the build
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# directory. This is required because the Windows toolchain setup saves
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# the VC paths and such so that running "mc.exe" will work with the
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# configured toolchain. This file is in the root build dir.
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"environment.$current_cpu",
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# Where to put the header.
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"-h",
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rebase_path(target_gen_dir, root_build_dir),
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# Where to put the .rc file.
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"-r",
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rebase_path(target_gen_dir, root_build_dir),
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# Input is Unicode.
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"-u",
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]
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if (defined(invoker.user_mode_logging) && invoker.user_mode_logging) {
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args += [ "-um" ]
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}
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args += [ "{{source}}" ]
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forward_variables_from(invoker,
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[
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"deps",
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"public_deps",
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"sources",
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])
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}
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if (compile_generated_code) {
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# Compile the generated rc file.
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source_set(source_set_name) {
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forward_variables_from(invoker, [ "visibility" ])
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sources = get_target_outputs(":$action_name")
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deps = [
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":$action_name",
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]
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}
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}
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}
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