use std::io::Write;
use std::path::PathBuf;
use std::process::Command;
use once_cell::sync::OnceCell;
use super::Input;
use super::Output;
use super::Process;
pub static EXECUTABLE: OnceCell<PathBuf> = OnceCell::new();
pub struct NativeProcess;
impl Process for NativeProcess {
fn call(input: Input) -> anyhow::Result<Output> {
let input_json = serde_json::to_vec(&input).expect("Always valid");
let executable = match EXECUTABLE.get() {
Some(executable) => executable.to_owned(),
None => std::env::current_exe()?,
};
let mut command = Command::new(executable.as_path());
command.stdin(std::process::Stdio::piped());
command.stdout(std::process::Stdio::piped());
command.stderr(std::process::Stdio::piped());
command.arg("--recursive-process");
let process = command.spawn().map_err(|error| {
anyhow::anyhow!("{:?} subprocess spawning error: {:?}", executable, error)
})?;
#[cfg(debug_assertions)]
input
.debug_config
.dump_stage_output(&input.contract.path, Some("stage"), &input_json)
.map_err(|error| {
anyhow::anyhow!(
"{:?} failed to log the recursive process output: {:?}",
executable,
error,
)
})?;
process
.stdin
.as_ref()
.ok_or_else(|| anyhow::anyhow!("{:?} stdin getting error", executable))?
.write_all(input_json.as_slice())
.map_err(|error| {
anyhow::anyhow!("{:?} stdin writing error: {:?}", executable, error)
})?;
let output = process.wait_with_output().map_err(|error| {
anyhow::anyhow!("{:?} subprocess output error: {:?}", executable, error)
})?;
if !output.status.success() {
anyhow::bail!(
"{}",
String::from_utf8_lossy(output.stderr.as_slice()).to_string(),
);
}
let output: Output = revive_common::deserialize_from_slice(output.stdout.as_slice())
.map_err(|error| {
anyhow::anyhow!(
"{:?} subprocess output parsing error: {}",
executable,
error,
)
})?;
Ok(output)
}
}