- "proc-macro-srv-cli",

- ffi::OsStr,

- pub fn spawn(

- process_path: AbsPathBuf,

- args: impl IntoIterator<Item = impl AsRef<OsStr>> + Clone,

- ) -> io::Result<ProcMacroServer> {

- let process = ProcMacroProcessSrv::run(process_path, args)?;

- ffi::{OsStr, OsString},

- pub(crate) fn run(

- process_path: AbsPathBuf,

- args: impl IntoIterator<Item = impl AsRef<OsStr>> + Clone,

- ) -> io::Result<ProcMacroProcessSrv> {

- let mut process = Process::run(process_path.clone(), args.clone(), null_stderr)?;

- fn run(

- path: AbsPathBuf,

- args: impl IntoIterator<Item = impl AsRef<OsStr>>,

- null_stderr: bool,

- ) -> io::Result<Process> {

- let args: Vec<OsString> = args.into_iter().map(|s| s.as_ref().into()).collect();

- let child = JodChild(mk_child(&path, args, null_stderr)?);

-fn mk_child(

- path: &AbsPath,

- args: impl IntoIterator<Item = impl AsRef<OsStr>>,

- null_stderr: bool,

-) -> io::Result<Child> {

- .args(args)

-//! Driver for proc macro server

-use std::io;

-

-use proc_macro_api::msg::{self, Message};

-

-#[cfg(feature = "sysroot-abi")]

-pub fn run() -> io::Result<()> {

- let mut srv = proc_macro_srv::ProcMacroSrv::default();

- let mut buf = String::new();

-

- while let Some(req) = read_request(&mut buf)? {

- let res = match req {

- msg::Request::ListMacros { dylib_path } => {

- msg::Response::ListMacros(srv.list_macros(&dylib_path))

- }

- msg::Request::ExpandMacro(task) => msg::Response::ExpandMacro(srv.expand(task)),

- msg::Request::ApiVersionCheck {} => {

- msg::Response::ApiVersionCheck(proc_macro_api::msg::CURRENT_API_VERSION)

- }

- };

- write_response(res)?

- }

-

- Ok(())

-}

-#[cfg(not(feature = "sysroot-abi"))]

-pub fn run() -> io::Result<()> {

- let mut buf = String::new();

-

- while let Some(req) = read_request(&mut buf)? {

- let res = match req {

- msg::Request::ListMacros { .. } => {

- msg::Response::ListMacros(Err("server is built without sysroot support".to_owned()))

- }

- msg::Request::ExpandMacro(..) => msg::Response::ExpandMacro(Err(msg::PanicMessage(

- "server is built without sysroot support".to_owned(),

- ))),

- msg::Request::ApiVersionCheck {} => {

- msg::Response::ApiVersionCheck(proc_macro_api::msg::CURRENT_API_VERSION)

- }

- };

- write_response(res)?

- }

-

- Ok(())

-}

-

-fn read_request(buf: &mut String) -> io::Result<Option<msg::Request>> {

- msg::Request::read(&mut io::stdin().lock(), buf)

-}

-

-fn write_response(msg: msg::Response) -> io::Result<()> {

- msg.write(&mut io::stdout().lock())

-}

- proc_macro_srv_cli::run()

- pub fn find_sysroot_proc_macro_srv(&self) -> Option<AbsPathBuf> {

- | ProjectWorkspace::Json { sysroot: Ok(sysroot), .. } => {

- _ => None,

-proc-macro-srv-cli.workspace = true

-sysroot-abi = ["proc-macro-srv-cli/sysroot-abi"]

- "sysroot-abi",

- flags::RustAnalyzerCmd::ProcMacro(flags::ProcMacro) => {

- with_extra_thread("MacroExpander", || proc_macro_srv_cli::run().map_err(Into::into))?;

- }

- cmd proc-macro {}

-

- ProcMacro(ProcMacro),

-pub struct ProcMacro;

-

-#[derive(Debug)]

-use std::{convert::identity, path::Path, sync::Arc};

-use anyhow::Result;

- Explicit(AbsPathBuf, Vec<String>),

- .ok_or_else(|| "failed to find sysroot proc-macro server".to_owned())

- .and_then(|it| {

- ProcMacroServer::spawn(it, identity::<&[&str]>(&[])).map_err(|e| e.to_string())

- }),

- ProcMacroServerChoice::Explicit(path, args) => {

- ProcMacroServer::spawn(path.clone(), args).map_err(|e| e.to_string())

- ProcMacroServerChoice::None => Err("proc macro server disabled".to_owned()),

- Err(e) => Err(e.as_str()),

- |(_, path)| load_proc_macro(proc_macro_server, &path, &[]),

- /// Internal config, path to proc-macro server executable (typically,

- /// this is rust-analyzer itself, but we override this in tests).

- pub fn proc_macro_srv(&self) -> Option<(AbsPathBuf, /* is path explicitly set */ bool)> {

- if !self.data.procMacro_enable {

- return None;

- }

- Some(match &self.data.procMacro_server {

- Some(it) => (

- AbsPathBuf::try_from(it.clone()).unwrap_or_else(|path| self.root_path.join(path)),

- true,

- ),

- None => (AbsPathBuf::assert(std::env::current_exe().ok()?), false),

- })

- pub(crate) proc_macro_clients: Arc<[Result<ProcMacroServer, String>]>,

- .map(|res| res.as_ref().map_err(|e| &**e))

- .chain(iter::repeat_with(|| Err("Proc macros servers are not running")));

- load_proc_macro(

- client,

- &path,

- crate_name

- .as_deref()

- .and_then(|crate_name| {

- dummy_replacements.get(crate_name).map(|v| &**v)

- })

- .unwrap_or_default(),

- )

- if let Some((path, path_manually_set)) = self.config.proc_macro_srv() {

- let path = if path_manually_set {

- tracing::debug!(

- "Pro-macro server path explicitly set: {}",

- path.display()

- );

- path.clone()

- } else {

- match ws.find_sysroot_proc_macro_srv() {

- Some(server_path) => server_path,

- None => path.clone(),

- }

- };

- let args: &[_] = if path.file_stem() == Some("rust-analyzer".as_ref()) {

- &["proc-macro"]

- } else {

- &[]

- tracing::info!(?args, "Using proc-macro server at {}", path.display(),);

- ProcMacroServer::spawn(path.clone(), args).map_err(|err| {

- let error = format!(

- );

- tracing::error!(error);

- error

- server: Result<&ProcMacroServer, &str>,

- let server = server.map_err(ToOwned::to_owned)?;

-Internal config, path to proc-macro server executable (typically,

-this is rust-analyzer itself, but we override this in tests).

- "markdownDescription": "Internal config, path to proc-macro server executable (typically,\nthis is rust-analyzer itself, but we override this in tests).",