blob: 84660e5123ae861d560c17ec10061f481580c5e5 [file] [log] [blame]
# Copyright 2018 The Fuchsia Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/banjo/toolchain.gni")
import("//build/compiled_action.gni")
import("//build/rust/toolchain.gni")
# Generates some Rust bindings for a banjo library.
#
# The parameters for this template are defined in //build/banjo/banjo.gni. The
# relevant parameters in this template are:
# - name.
template("banjo_rust") {
assert(current_toolchain == rust_toolchain,
"This template can only be used in $rust_toolchain.")
not_needed(invoker, [ "sources" ])
main_target_name = target_name
generation_target_name = "${target_name}_rust_generate"
library_name = target_name
if (defined(invoker.name)) {
library_name = invoker.name
}
underscore_name = "banjo_" + string_replace(library_name, ".", "_")
banjo_target_gen_dir =
get_label_info(":bogus($banjo_toolchain)", "target_gen_dir")
file_stem = "$banjo_target_gen_dir/$underscore_name.rs"
file_args = "$banjo_target_gen_dir/rust/$library_name.args"
compiled_action(generation_target_name) {
forward_variables_from(invoker, [ "testonly" ])
visibility = [ ":*" ]
tool = "//src/devices/tools/banjo:banjo_bin"
inputs = [
"//src/devices/tools/banjo/zx.banjo",
]
inputs += invoker.sources
outputs = [
"$file_stem",
]
args = [ "@" + rebase_path(file_args, root_build_dir) ]
deps = [
":$main_target_name($banjo_toolchain)",
]
}
group(main_target_name) {
forward_variables_from(invoker,
[
"public_deps",
"testonly",
"visibility",
])
deps = [
":$generation_target_name",
]
if (defined(invoker.deps)) {
deps += invoker.deps
}
}
}