Fix a bug in how offsets are calculated.

1 files changed, 4 insertions, 3 deletions

diff --git a/bytecode/src/heap.rs b/bytecode/src/heap.rs
index c61a30a..78a406f 100644
--- a/bytecode/src/heap.rs
+++ b/bytecode/src/heap.rs
@@ -171,13 +171,14 @@ impl Heap {
     }
 
     pub fn peek(&self, p: Pointer, offset: usize) -> Result<Value, String> {
+        let offset_bytes = offset * 8;
         let obj_sz = self.alloc_size(p)?;
-        if offset >= obj_sz {
+        if offset_bytes >= obj_sz {
             return Err(format!(
-                "invalid offset {offset} in an object of size {obj_sz}"
+                "invalid offset {offset_bytes} in an object of size {obj_sz}"
             ));
         }
-        let (u, _) = open_ptr(p.offset(offset));
+        let (u, _) = open_ptr(p.offset(offset_bytes));
         if u >= self.heap.len() {
             return Err(format!("invalid pointer {:x}", p));
         }