2 files changed, 27 insertions, 0 deletions

diff --git a/code/package.json b/code/package.json
index 35367edb6..20a6ceee7 100644
--- a/code/package.json
+++ b/code/package.json
@@ -44,6 +44,10 @@
       {
         "command": "libsyntax-rust.parentModule",
         "title": "Rust Parent Module"
+      },
+      {
+        "command": "libsyntax-rust.joinLines",
+        "title": "Rust Join Lines"
       }
     ],
     "keybindings": [
@@ -61,6 +65,11 @@
         "command": "libsyntax-rust.extendSelection",
         "key": "ctrl+w",
         "when": "editorTextFocus && editorLangId == rust"
+      },
+      {
+        "command": "libsyntax-rust.joinLines",
+        "key": "ctrl+shift+j",
+        "when": "editorTextFocus && editorLangId == rust"
       }
     ],
     "problemMatchers": [
diff --git a/code/src/extension.ts b/code/src/extension.ts
index fb6841fa0..134459f30 100644
--- a/code/src/extension.ts
+++ b/code/src/extension.ts
@@ -51,6 +51,19 @@ export function activate(context: vscode.ExtensionContext) {
             return new vscode.Selection(anchor, active)
         })
     })
+    registerCommand('libsyntax-rust.joinLines', async () => {
+        let editor = vscode.window.activeTextEditor
+        if (editor == null || editor.document.languageId != "rust") return
+        let request: JoinLinesParams = {
+            textDocument: { uri: editor.document.uri.toString() },
+            range: client.code2ProtocolConverter.asRange(editor.selection),
+        }
+        let response = await client.sendRequest<lc.TextEdit[]>("m/joinLines", request)
+        let edits = client.protocol2CodeConverter.asTextEdits(response)
+        let wsEdit = new vscode.WorkspaceEdit()
+        wsEdit.set(editor.document.uri, edits)
+        return vscode.workspace.applyEdit(wsEdit)
+    })
     registerCommand('libsyntax-rust.parentModule', async () => {
         let editor = vscode.window.activeTextEditor
         if (editor == null || editor.document.languageId != "rust") return
@@ -237,6 +250,11 @@ interface FindMatchingBraceParams {
     offsets: lc.Position[];
 }
 
+interface JoinLinesParams {
+    textDocument: lc.TextDocumentIdentifier;
+    range: lc.Range;
+}
+
 interface PublishDecorationsParams {
     uri: string,
     decorations: Decoration[],