From f3e47bfee4d70cfc350035f29cc7e20b6ce725e8 Mon Sep 17 00:00:00 2001
From: Dmitry Sharshakov <d3dx12.xx@gmail.com>
Date: Sat, 21 Aug 2021 20:55:45 +0300
Subject: [PATCH] Disable continuing when running

---
 helix-dap/src/client.rs       |  2 ++
 helix-term/src/application.rs |  1 +
 helix-term/src/commands.rs    | 12 ++++++++++++
 3 files changed, 15 insertions(+)

diff --git a/helix-dap/src/client.rs b/helix-dap/src/client.rs
index bc7a93d8f..cfb278a9b 100644
--- a/helix-dap/src/client.rs
+++ b/helix-dap/src/client.rs
@@ -30,6 +30,7 @@ pub struct Client {
     pub breakpoints: HashMap<PathBuf, Vec<SourceBreakpoint>>,
     // TODO: multiple threads support
     pub stack_pointer: Option<StackFrame>,
+    pub is_running: bool,
 }
 
 impl Client {
@@ -51,6 +52,7 @@ impl Client {
             //
             breakpoints: HashMap::new(),
             stack_pointer: None,
+            is_running: false,
         };
 
         tokio::spawn(Self::recv(server_rx, client_rx));
diff --git a/helix-term/src/application.rs b/helix-term/src/application.rs
index d65610ef9..a9aafad21 100644
--- a/helix-term/src/application.rs
+++ b/helix-term/src/application.rs
@@ -195,6 +195,7 @@ impl Application {
                         Payload::Event(ev) => {
                             match &ev.event[..] {
                                 "stopped" => {
+                                    debugger.is_running = false;
                                     let main = debugger
                                         .threads()
                                         .await
diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index dc8d02ace..9e34df541 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -4319,8 +4319,14 @@ fn dap_run(cx: &mut Context) {
     use helix_lsp::block_on;
 
     if let Some(debugger) = &mut cx.editor.debugger {
+        if debugger.is_running {
+            cx.editor
+                .set_status("Debuggee is already running".to_owned());
+            return;
+        }
         let request = debugger.configuration_done();
         let _ = block_on(request).unwrap();
+        debugger.is_running = true;
     }
 }
 
@@ -4328,10 +4334,16 @@ fn dap_continue(cx: &mut Context) {
     use helix_lsp::block_on;
 
     if let Some(debugger) = &mut cx.editor.debugger {
+        if debugger.is_running {
+            cx.editor
+                .set_status("Debuggee is already running".to_owned());
+            return;
+        }
         // assume 0 to continue all threads for now
         // FIXME: spec conformant behavior here
         let request = debugger.continue_thread(0);
         let _ = block_on(request).unwrap();
+        debugger.is_running = true;
     }
 }