Make "Open Referenced File" command functional on open .qlref

Author: mgsium

extensions/ql-vscode/CHANGELOG.md

@@ -7,6 +7,7 @@
 - Fix a bug with importing large databases. Databases over 4GB can now be imported directly from LGTM or from a zip file. This functionality is only available when using CodeQL CLI version 2.6.0 or later. [#971](https://github.com/github/vscode-codeql/pull/971)
 - Replace certain control codes (`U+0000` - `U+001F`) with their corresponding control labels (`U+2400` - `U+241F`)  in the results view. [#963](https://github.com/github/vscode-codeql/pull/963)
 - Allow case-insensitive project slugs for GitHub repositories when adding a CodeQL database from LGTM. [#978](https://github.com/github/vscode-codeql/pull/961)
+- Make "Open Referenced File" command accessible from the active editor menu. [#989](https://github.com/github/vscode-codeql/pull/989)
 
 ## 1.5.6 - 07 October 2021
 

extensions/ql-vscode/src/extension.ts

@@ -496,9 +496,11 @@ async function activateWithInstalledDistribution(
   async function openReferencedFile(
     selectedQuery: Uri
   ): Promise<void> {
-    if (qs !== undefined) {
+    // If no file is selected, the path of the file in the editor is selected
+    const path = selectedQuery?.fsPath || window.activeTextEditor?.document.uri.fsPath;
+    if (qs !== undefined && path) {
       if (await cliServer.cliConstraints.supportsResolveQlref()) {
-        const resolved = await cliServer.resolveQlref(selectedQuery.fsPath);
+        const resolved = await cliServer.resolveQlref(path);
         const uri = Uri.file(resolved.resolvedPath);
         await window.showTextDocument(uri, { preview: false });
       } else {