2 files changed, 46 insertions, 0 deletions
diff --git a/helix-dap/src/client.rs b/helix-dap/src/client.rs
index ebaae83c..98b88e23 100644
--- a/helix-dap/src/client.rs
+++ b/helix-dap/src/client.rs
@@ -352,4 +352,19 @@ impl Client {
 
         self.request::<requests::Pause>(args).await
     }
+
+    pub async fn eval(
+        &mut self,
+        expression: String,
+        frame_id: Option<usize>,
+    ) -> Result<requests::EvaluateResponse> {
+        let args = requests::EvaluateArguments {
+            expression,
+            frame_id,
+            context: None,
+            format: None,
+        };
+
+        self.request::<requests::Evaluate>(args).await
+    }
 }
diff --git a/helix-dap/src/types.rs b/helix-dap/src/types.rs
index 4ee796b3..bb73e5e9 100644
--- a/helix-dap/src/types.rs
+++ b/helix-dap/src/types.rs
@@ -484,6 +484,37 @@ pub mod requests {
         type Result = ();
         const COMMAND: &'static str = "pause";
     }
+
+    #[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+    #[serde(rename_all = "camelCase")]
+    pub struct EvaluateArguments {
+        pub expression: String,
+        pub frame_id: Option<usize>,
+        pub context: Option<String>,
+        pub format: Option<ValueFormat>,
+    }
+
+    #[derive(Debug, PartialEq, Clone, Deserialize, Serialize)]
+    #[serde(rename_all = "camelCase")]
+    pub struct EvaluateResponse {
+        pub result: String,
+        #[serde(rename = "type")]
+        pub data_type: Option<String>,
+        pub presentation_hint: Option<VariablePresentationHint>,
+        pub variables_reference: usize,
+        pub named_variables: Option<usize>,
+        pub indexed_variables: Option<usize>,
+        pub memory_reference: Option<String>,
+    }
+
+    #[derive(Debug)]
+    pub enum Evaluate {}
+
+    impl Request for Evaluate {
+        type Arguments = EvaluateArguments;
+        type Result = EvaluateResponse;
+        const COMMAND: &'static str = "evaluate";
+    }
 }
 
 // Events