[Lldb-commits] [lldb] [lldb-dap] Add process picker command to VS Code extension (PR #128943)

[via lldb-commits]

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@@ -0,0 +1,57 @@
+import * as path from "path";
+import * as vscode from "vscode";
+import { createProcessTree } from "../process-tree";
+
+interface ProcessQuickPick extends vscode.QuickPickItem {
+  processId?: number;
+}
+
+/**
+ * Prompts the user to select a running process.
+ *
+ * The return value must be a string so that it is compatible with VS Code's
+ * string substitution infrastructure. The value will eventually be converted
+ * to a number by the debug configuration provider.
+ *
+ * @param configuration The related debug configuration, if any
+ * @returns The pid of the process as a string or undefined if cancelled.
+ */
+export async function pickProcess(
+  configuration?: vscode.DebugConfiguration,
+): Promise<string | undefined> {
+  const processTree = createProcessTree();
+  const selectedProcess = await vscode.window.showQuickPick<ProcessQuickPick>(
+    processTree.listAllProcesses().then((processes): ProcessQuickPick[] => {
+      // Sort by start date in descending order
+      processes.sort((a, b) => b.start - a.start);
+      // Filter by program if requested
+      if (typeof configuration?.program === "string") {
+        processes = processes.filter(
+          (proc) => proc.command === configuration.program,
+        );
+        // Show a better message if all processes were filtered out
+        if (processes.length === 0) {
+          return [
+            {
+              label: "No processes matched the debug configuration's program",
+            },
+          ];
+        }
+      }
+      // Convert to a QuickPickItem
+      return processes.map((proc) => {
+        return {
+          processId: proc.id,
+          label: path.basename(proc.command),
+          description: proc.id.toString(),
+          detail: proc.arguments,
+        } satisfies ProcessQuickPick;
+      });
+    }),
+    {
+      placeHolder: "Select a process to attach the debugger to",
+      matchOnDetail: true,
----------------
Da-Viper wrote:

```suggestion
      matchOnDetail: true,
      matchOnDescription: true,
```
The user can also search by process Id

https://github.com/llvm/llvm-project/pull/128943