From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 js/src/jit-test/lib/evalInFrame.js | 32 ++++++++++++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 js/src/jit-test/lib/evalInFrame.js

(limited to 'js/src/jit-test/lib/evalInFrame.js')

diff --git a/js/src/jit-test/lib/evalInFrame.js b/js/src/jit-test/lib/evalInFrame.js
new file mode 100644
index 000000000..9f725acec
--- /dev/null
+++ b/js/src/jit-test/lib/evalInFrame.js
@@ -0,0 +1,32 @@
+var evalInFrame = (function (global) {
+  var dbgGlobal = newGlobal();
+  var dbg = new dbgGlobal.Debugger();
+
+  return function evalInFrame(upCount, code) {
+    dbg.addDebuggee(global);
+
+    // Skip ourself.
+    var frame = dbg.getNewestFrame().older;
+    for (var i = 0; i < upCount; i++) {
+      if (!frame.older)
+        break;
+      frame = frame.older;
+    }
+
+    var completion = frame.eval(code);
+    if (completion.return) {
+      var v = completion.return;
+      if (typeof v === "object")
+        v = v.unsafeDereference();
+      return v;
+    }
+    if (completion.throw) {
+      var v = completion.throw;
+      if (typeof v === "object")
+        v = v.unsafeDereference();
+      throw v;
+    }
+    if (completion === null)
+      terminate();
+  };
+})(this);
-- 
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