From dfc70a12f337df57e69e3613896663c2f446df8e Mon Sep 17 00:00:00 2001
From: Dmitry Sharshakov
Date: Sun, 22 Aug 2021 11:02:54 +0300
Subject: dap: support stepIn, stepOut, next and pause commands

---
 helix-dap/src/client.rs | 36 ++++++++++++++++++++++++++++
 helix-dap/src/types.rs  | 64 +++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 100 insertions(+)

diff --git a/helix-dap/src/client.rs b/helix-dap/src/client.rs
index cfb278a9..e2531e11 100644
--- a/helix-dap/src/client.rs
+++ b/helix-dap/src/client.rs
@@ -316,4 +316,40 @@ impl Client {
         let response = self.request::<requests::Variables>(args).await?;
         Ok(response.variables)
     }
+
+    pub async fn step_in(&mut self, thread_id: usize) -> Result<()> {
+        let args = requests::StepInArguments {
+            thread_id,
+            target_id: None,
+            granularity: None,
+        };
+
+        self.request::<requests::StepIn>(args).await
+    }
+
+    pub async fn step_out(&mut self, thread_id: usize) -> Result<()> {
+        let args = requests::StepOutArguments {
+            thread_id,
+            granularity: None,
+        };
+
+        self.request::<requests::StepOut>(args).await
+    }
+
+    pub async fn next(&mut self, thread_id: usize) -> Result<()> {
+        let args = requests::NextArguments {
+            thread_id,
+            granularity: None,
+        };
+
+        self.request::<requests::Next>(args).await
+    }
+
+    pub async fn pause(&mut self, thread_id: usize) -> Result<()> {
+        let args = requests::PauseArguments {
+            thread_id,
+        };
+
+        self.request::<requests::Pause>(args).await
+    }
 }
diff --git a/helix-dap/src/types.rs b/helix-dap/src/types.rs
index fcbbf184..4ee796b3 100644
--- a/helix-dap/src/types.rs
+++ b/helix-dap/src/types.rs
@@ -420,6 +420,70 @@ pub mod requests {
         type Result = VariablesResponse;
         const COMMAND: &'static str = "variables";
     }
+
+    #[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+    #[serde(rename_all = "camelCase")]
+    pub struct StepInArguments {
+        pub thread_id: usize,
+        pub target_id: Option<usize>,
+        pub granularity: Option<String>,
+    }
+
+    #[derive(Debug)]
+    pub enum StepIn {}
+
+    impl Request for StepIn {
+        type Arguments = StepInArguments;
+        type Result = ();
+        const COMMAND: &'static str = "stepIn";
+    }
+
+    #[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+    #[serde(rename_all = "camelCase")]
+    pub struct StepOutArguments {
+        pub thread_id: usize,
+        pub granularity: Option<String>,
+    }
+
+    #[derive(Debug)]
+    pub enum StepOut {}
+
+    impl Request for StepOut {
+        type Arguments = StepOutArguments;
+        type Result = ();
+        const COMMAND: &'static str = "stepOut";
+    }
+
+    #[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+    #[serde(rename_all = "camelCase")]
+    pub struct NextArguments {
+        pub thread_id: usize,
+        pub granularity: Option<String>,
+    }
+
+    #[derive(Debug)]
+    pub enum Next {}
+
+    impl Request for Next {
+        type Arguments = NextArguments;
+        type Result = ();
+        const COMMAND: &'static str = "next";
+    }
+
+    #[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+    #[serde(rename_all = "camelCase")]
+    pub struct PauseArguments {
+        pub thread_id: usize,
+    }
+
+    #[derive(Debug)]
+    pub enum Pause {}
+
+    impl Request for Pause {
+        type Arguments = PauseArguments;
+        type Result = ();
+        const COMMAND: &'static str = "pause";
+    }
 }
 
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