Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'crates/proc-macro-srv-cli/src/main_loop.rs')
-rw-r--r--crates/proc-macro-srv-cli/src/main_loop.rs82
1 files changed, 41 insertions, 41 deletions
diff --git a/crates/proc-macro-srv-cli/src/main_loop.rs b/crates/proc-macro-srv-cli/src/main_loop.rs
index 99e3d79ef2..6ed42204df 100644
--- a/crates/proc-macro-srv-cli/src/main_loop.rs
+++ b/crates/proc-macro-srv-cli/src/main_loop.rs
@@ -1,6 +1,4 @@
//! The main loop of the proc-macro server.
-use std::io;
-
use proc_macro_api::{
Codec,
bidirectional_protocol::msg as bidirectional,
@@ -8,6 +6,7 @@ use proc_macro_api::{
transport::codec::{json::JsonProtocol, postcard::PostcardProtocol},
version::CURRENT_API_VERSION,
};
+use std::{io, sync::mpsc};
use legacy::Message;
@@ -170,6 +169,21 @@ fn handle_expand_id<W: std::io::Write, C: Codec>(
send_response::<_, C>(stdout, bidirectional::Response::ExpandMacro(res))
}
+struct ProcMacroClientHandle {
+ subreq_tx: mpsc::Sender<bidirectional::SubRequest>,
+ subresp_rx: mpsc::Receiver<bidirectional::SubResponse>,
+}
+
+impl proc_macro_srv::ProcMacroClientInterface for ProcMacroClientHandle {
+ fn source_text(&self, file_id: u32, start: u32, end: u32) -> Option<String> {
+ self.subreq_tx.send(bidirectional::SubRequest::SourceText { file_id, start, end }).ok()?;
+
+ match self.subresp_rx.recv().ok()? {
+ bidirectional::SubResponse::SourceTextResult { text } => text,
+ }
+ }
+}
+
fn handle_expand_ra<W: io::Write, R: io::BufRead, C: Codec>(
srv: &proc_macro_srv::ProcMacroSrv<'_>,
stdin: &mut R,
@@ -201,22 +215,20 @@ fn handle_expand_ra<W: io::Write, R: io::BufRead, C: Codec>(
macro_body.to_tokenstream_resolved(CURRENT_API_VERSION, &span_data_table, |a, b| {
srv.join_spans(a, b).unwrap_or(b)
});
+
let attributes = attributes.map(|it| {
it.to_tokenstream_resolved(CURRENT_API_VERSION, &span_data_table, |a, b| {
srv.join_spans(a, b).unwrap_or(b)
})
});
- let (subreq_tx, subreq_rx) = crossbeam_channel::unbounded();
- let (subresp_tx, subresp_rx) = crossbeam_channel::unbounded();
- let (result_tx, result_rx) = crossbeam_channel::bounded(1);
+ let (subreq_tx, subreq_rx) = mpsc::channel();
+ let (subresp_tx, subresp_rx) = mpsc::channel();
+ let (result_tx, result_rx) = mpsc::channel();
- std::thread::scope(|scope| {
- scope.spawn(|| {
- let callback = Box::new(move |req: proc_macro_srv::SubRequest| {
- subreq_tx.send(req).unwrap();
- subresp_rx.recv().unwrap()
- });
+ std::thread::scope(|s| {
+ s.spawn(|| {
+ let callback = ProcMacroClientHandle { subreq_tx, subresp_rx };
let res = srv
.expand(
@@ -229,7 +241,7 @@ fn handle_expand_ra<W: io::Write, R: io::BufRead, C: Codec>(
def_site,
call_site,
mixed_site,
- Some(callback),
+ Some(Box::new(callback)),
)
.map(|it| {
(
@@ -253,27 +265,31 @@ fn handle_expand_ra<W: io::Write, R: io::BufRead, C: Codec>(
loop {
if let Ok(res) = result_rx.try_recv() {
- send_response::<_, C>(stdout, bidirectional::Response::ExpandMacroExtended(res))
- .unwrap();
+ let _ = send_response::<_, C>(
+ stdout,
+ bidirectional::Response::ExpandMacroExtended(res),
+ );
break;
}
- let subreq = match subreq_rx.recv() {
+ let sub_req = match subreq_rx.recv() {
Ok(r) => r,
Err(_) => break,
};
- let api_req = from_srv_req(subreq);
- bidirectional::BidirectionalMessage::SubRequest(api_req).write::<_, C>(stdout).unwrap();
-
- let resp = bidirectional::BidirectionalMessage::read::<_, C>(stdin, buf)
- .unwrap()
- .expect("client closed connection");
-
+ if bidirectional::BidirectionalMessage::SubRequest(sub_req)
+ .write::<_, C>(stdout)
+ .is_err()
+ {
+ break;
+ }
+ let resp = match bidirectional::BidirectionalMessage::read::<_, C>(stdin, buf) {
+ Ok(Some(r)) => r,
+ _ => break,
+ };
match resp {
- bidirectional::BidirectionalMessage::SubResponse(api_resp) => {
- let srv_resp = from_client_res(api_resp);
- subresp_tx.send(srv_resp).unwrap();
+ bidirectional::BidirectionalMessage::SubResponse(resp) => {
+ let _ = subresp_tx.send(resp);
}
other => panic!("expected SubResponse, got {other:?}"),
}
@@ -425,22 +441,6 @@ fn run_<C: Codec>() -> io::Result<()> {
Ok(())
}
-fn from_srv_req(value: proc_macro_srv::SubRequest) -> bidirectional::SubRequest {
- match value {
- proc_macro_srv::SubRequest::SourceText { file_id, start, end } => {
- bidirectional::SubRequest::SourceText { file_id: file_id.file_id().index(), start, end }
- }
- }
-}
-
-fn from_client_res(value: bidirectional::SubResponse) -> proc_macro_srv::SubResponse {
- match value {
- bidirectional::SubResponse::SourceTextResult { text } => {
- proc_macro_srv::SubResponse::SourceTextResult { text }
- }
- }
-}
-
fn send_response<W: std::io::Write, C: Codec>(
stdout: &mut W,
resp: bidirectional::Response,