[Lldb-commits] [lldb] [lldb-dap] Support finding the lldb-dap binary (PR #118547)

[Walter Erquinigo via lldb-commits]

================
@@ -28,6 +23,70 @@ export class LLDBDapDescriptorFactory
     return true;
   }
 
+  static async findDAPExecutable(): Promise<string | undefined> {
+    let executable = "lldb-dap";
+    if (process.platform === "win32") {
+      executable = "lldb-dap.exe";
+    }
+
+    // Prefer lldb-dap from Xcode on Darwin.
+    if (process.platform === "darwin") {
+      try {
+        const exec = util.promisify(require("child_process").execFile);
+        let { stdout, stderr } = await exec("/usr/bin/xcrun", [
+          "-find",
+          executable,
+        ]);
+        if (stdout) {
+          return stdout.toString().trimEnd();
+        }
+      } catch (error) {}
+    }
+
+    // Find lldb-dap in the user's path.
+    let env_path =
+      process.env["PATH"] ||
+      (process.platform === "win32" ? process.env["Path"] : null);
----------------
walter-erquinigo wrote:

```suggestion
      process.platform === "win32" ? process.env["Path"] : process.env["PATH"]
```

https://github.com/llvm/llvm-project/pull/118547