From d93cd2a2611b3305293274f8fb590a01d4b99584 Mon Sep 17 00:00:00 2001
From: Dmitry Sharshakov
Date: Sun, 22 Aug 2021 11:16:11 +0300
Subject: editor: support stepIn, stepOut, next and pause commands

---
 helix-term/src/commands.rs | 68 ++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 65 insertions(+), 3 deletions(-)

(limited to 'helix-term/src/commands.rs')

diff --git a/helix-term/src/commands.rs b/helix-term/src/commands.rs
index 1c0084fc..cc45f79a 100644
--- a/helix-term/src/commands.rs
+++ b/helix-term/src/commands.rs
@@ -307,6 +307,10 @@ impl Command {
         dap_start, "Start debug session",
         dap_run, "Begin program execution",
         dap_continue, "Continue program execution",
+        dap_pause, "Pause program execution",
+        dap_in, "Step in",
+        dap_out, "Step out",
+        dap_next, "Step to next",
         dap_variable_scopes, "List variable scopes",
         dap_terminate, "End debug session",
         suspend, "Suspend"
@@ -4394,15 +4398,73 @@ fn dap_continue(cx: &mut Context) {
                 .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 request = debugger.continue_thread(debugger.stopped_thread.unwrap());
         let _ = block_on(request).unwrap();
         debugger.is_running = true;
         debugger.stack_pointer = None;
     }
 }
 
+fn dap_pause(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 not running".to_owned());
+            return;
+        }
+
+        let request = debugger.pause(debugger.stopped_thread.unwrap());
+        let _ = block_on(request).unwrap();
+    }
+}
+
+fn dap_in(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.step_in(debugger.stopped_thread.unwrap());
+        let _ = block_on(request).unwrap();
+    }
+}
+
+fn dap_out(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.step_out(debugger.stopped_thread.unwrap());
+        let _ = block_on(request).unwrap();
+    }
+}
+
+fn dap_next(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.next(debugger.stopped_thread.unwrap());
+        let _ = block_on(request).unwrap();
+    }
+}
+
 fn dap_variable_scopes(cx: &mut Context) {
     use helix_lsp::block_on;
 
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