From 6c89303e7e1096b1bedddb0cc1f67568bbfe9128 Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Tue, 2 Jun 2020 14:12:04 +0100
Subject: [PATCH] js: Print call stack on exception thrown outside the global
 context

---
 Userland/js.cpp | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Userland/js.cpp b/Userland/js.cpp
index cfc30d217f5..70caa45adba 100644
--- a/Userland/js.cpp
+++ b/Userland/js.cpp
@@ -344,6 +344,11 @@ bool parse_and_run(JS::Interpreter& interpreter, const StringView& source)
     if (interpreter.exception()) {
         printf("Uncaught exception: ");
         print(interpreter.exception()->value());
+        auto trace = interpreter.exception()->trace();
+        if (trace.size() > 1) {
+            for (auto& function_name : trace)
+                printf(" -> %s\n", function_name.characters());
+        }
         interpreter.clear_exception();
         return false;
     }