blob: 240c3f2bcbf58442ca7de90e46409599675d243b [file] [log] [blame]
// Copyright 2022, The Android Open Source Project
//
// 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.
use std::path::Path;
use std::process::Command;
fn main() {
let out_dir = std::env::var_os("OUT_DIR").unwrap();
let generated_file = "uci_packets.rs";
let dst_path = Path::new(&out_dir).join(generated_file);
if Path::new(generated_file).exists() {
// Copy the rust code directly if the file exists.
let result = std::fs::copy(generated_file, &dst_path);
eprintln!("{} exists, copy to {:?}: {:?}", generated_file, dst_path, result);
return;
}
// The binary should be compiled by `m pdlc` before calling cargo.
let output = Command::new("env")
.arg("pdlc")
.arg("--output-format")
.arg("rust")
.arg("uci_packets.pdl")
.output()
.unwrap();
std::fs::write(&dst_path, &output.stdout)
.expect(&format!("Could not write {}", dst_path.display()));
eprintln!(
"Status: {}, stdout: {}, stderr: {}",
output.status,
String::from_utf8_lossy(output.stdout.as_slice()),
String::from_utf8_lossy(output.stderr.as_slice())
);
}