From ae321592479545b3d86319daf2527c76ba46c0c4 Mon Sep 17 00:00:00 2001
From: Dmitry Sharshakov <d3dx12.xx@gmail.com>
Date: Sat, 14 Aug 2021 14:01:29 +0300
Subject: [PATCH] Revert "compat: don't wait for launch and attach response"

This reverts commit 766e3380622e2c7ddf5051ed672b78ece8d99f1f.

Not required for lldb-vscode
---
 helix-dap/src/client.rs | 71 ++++++++++++++++-------------------------
 1 file changed, 28 insertions(+), 43 deletions(-)

diff --git a/helix-dap/src/client.rs b/helix-dap/src/client.rs
index 0b3a9928f..23cdefbd6 100644
--- a/helix-dap/src/client.rs
+++ b/helix-dap/src/client.rs
@@ -12,7 +12,6 @@ use std::sync::{
 use std::{collections::HashMap, process::Stdio};
 use tokio::{
     io::{AsyncBufRead, AsyncWrite, BufReader, BufWriter},
-    join,
     net::TcpStream,
     process::{Child, Command},
     sync::{
@@ -450,12 +449,7 @@ impl Client {
         self.request_counter.fetch_add(1, Ordering::Relaxed)
     }
 
-    async fn request(
-        &self,
-        command: String,
-        arguments: Option<Value>,
-        response: bool,
-    ) -> Result<Option<Response>> {
+    async fn request(&self, command: String, arguments: Option<Value>) -> Result<Response> {
         let (callback_rx, mut callback_tx) = channel(1);
 
         let req = Request {
@@ -470,11 +464,10 @@ impl Client {
             .send(req)
             .expect("Failed to send request to debugger");
 
-        if response {
-            Ok(Some(callback_tx.recv().await.unwrap()?))
-        } else {
-            Ok(None)
-        }
+        callback_tx
+            .recv()
+            .await
+            .expect("Failed to receive response")
     }
 
     pub fn capabilities(&self) -> &DebuggerCapabilities {
@@ -501,25 +494,25 @@ impl Client {
         };
 
         let response = self
-            .request("initialize".to_owned(), to_value(args).ok(), true)
-            .await?
-            .unwrap();
+            .request("initialize".to_owned(), to_value(args).ok())
+            .await?;
         self.capabilities = from_value(response.body.unwrap()).ok();
 
         Ok(())
     }
 
     pub async fn disconnect(&mut self) -> Result<()> {
-        self.request("disconnect".to_owned(), None, true).await?;
+        self.request("disconnect".to_owned(), None).await?;
         Ok(())
     }
 
     pub async fn launch(&mut self, args: impl Serialize) -> Result<()> {
         let mut initialized = self.listen_for_event("initialized".to_owned()).await;
 
-        let res = self.request("launch".to_owned(), to_value(args).ok(), false);
-        let ev = initialized.recv();
-        join!(res, ev).0?;
+        self.request("launch".to_owned(), to_value(args).ok())
+            .await?;
+
+        initialized.recv().await;
 
         Ok(())
     }
@@ -527,9 +520,10 @@ impl Client {
     pub async fn attach(&mut self, args: impl Serialize) -> Result<()> {
         let mut initialized = self.listen_for_event("initialized".to_owned()).await;
 
-        let res = self.request("attach".to_owned(), to_value(args).ok(), false);
-        let ev = initialized.recv();
-        join!(res, ev).0?;
+        self.request("attach".to_owned(), to_value(args).ok())
+            .await?;
+
+        initialized.recv().await;
 
         Ok(())
     }
@@ -555,17 +549,15 @@ impl Client {
         };
 
         let response = self
-            .request("setBreakpoints".to_owned(), to_value(args).ok(), true)
-            .await?
-            .unwrap();
+            .request("setBreakpoints".to_owned(), to_value(args).ok())
+            .await?;
         let body: Option<SetBreakpointsResponseBody> = from_value(response.body.unwrap()).ok();
 
         Ok(body.map(|b| b.breakpoints).unwrap())
     }
 
     pub async fn configuration_done(&mut self) -> Result<()> {
-        self.request("configurationDone".to_owned(), None, true)
-            .await?;
+        self.request("configurationDone".to_owned(), None).await?;
         Ok(())
     }
 
@@ -573,9 +565,8 @@ impl Client {
         let args = ContinueArguments { thread_id };
 
         let response = self
-            .request("continue".to_owned(), to_value(args).ok(), true)
-            .await?
-            .unwrap();
+            .request("continue".to_owned(), to_value(args).ok())
+            .await?;
 
         let body: Option<ContinueResponseBody> = from_value(response.body.unwrap()).ok();
 
@@ -594,9 +585,8 @@ impl Client {
         };
 
         let response = self
-            .request("stackTrace".to_owned(), to_value(args).ok(), true)
-            .await?
-            .unwrap();
+            .request("stackTrace".to_owned(), to_value(args).ok())
+            .await?;
 
         let body: StackTraceResponseBody = from_value(response.body.unwrap()).unwrap();
 
@@ -604,10 +594,7 @@ impl Client {
     }
 
     pub async fn threads(&mut self) -> Result<Vec<Thread>> {
-        let response = self
-            .request("threads".to_owned(), None, true)
-            .await?
-            .unwrap();
+        let response = self.request("threads".to_owned(), None).await?;
 
         let body: ThreadsResponseBody = from_value(response.body.unwrap()).unwrap();
 
@@ -618,9 +605,8 @@ impl Client {
         let args = ScopesArguments { frame_id };
 
         let response = self
-            .request("scopes".to_owned(), to_value(args).ok(), true)
-            .await?
-            .unwrap();
+            .request("scopes".to_owned(), to_value(args).ok())
+            .await?;
 
         let body: ScopesResponseBody = from_value(response.body.unwrap()).unwrap();
 
@@ -637,9 +623,8 @@ impl Client {
         };
 
         let response = self
-            .request("variables".to_owned(), to_value(args).ok(), true)
-            .await?
-            .unwrap();
+            .request("variables".to_owned(), to_value(args).ok())
+            .await?;
 
         let body: VariablesResponseBody = from_value(response.body.unwrap()).unwrap();