From a012274c03ae35e1c10f06bc0f4f95458d5eafba Mon Sep 17 00:00:00 2001
From: Markus Westerlind <marwes91@gmail.com>
Date: Wed, 14 Dec 2016 23:09:56 +0100
Subject: [PATCH] feat: Allow querying the number of frames on the stack in the
 debug api

---
 vm/src/thread.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/vm/src/thread.rs b/vm/src/thread.rs
index 21d2d98c0d..d318baa902 100644
--- a/vm/src/thread.rs
+++ b/vm/src/thread.rs
@@ -711,6 +711,10 @@ impl<'a> DebugInfo<'a> {
             None
         }
     }
+
+    pub fn stack_info_len(&self) -> usize {
+        self.stack.get_frames().len()
+    }
 }
 
 impl<'a> StackInfo<'a> {