Fix access to ematch buffer elements

src/utils.jl

@@ -36,27 +36,27 @@ function buffer_readable(g, limit, ematch_buffer)
   k = length(ematch_buffer)
 
   while k > limit
-    delimiter = ematch_buffer[k]
+    delimiter = ematch_buffer.v[k]
     @assert delimiter == 0xffffffffffffffffffffffffffffffff
     n = k - 1
 
     next_delimiter_idx = 0
     n_elems = 0
     for i in n:-1:1
       n_elems += 1
-      if ematch_buffer[i] == 0xffffffffffffffffffffffffffffffff
+      if ematch_buffer.v[i] == 0xffffffffffffffffffffffffffffffff
         n_elems -= 1
         next_delimiter_idx = i
         break
       end
     end
 
-    match_info = ematch_buffer[next_delimiter_idx + 1]
+    match_info = ematch_buffer.v[next_delimiter_idx + 1]
     id = v_pair_first(match_info)
     rule_idx = reinterpret(Int, v_pair_last(match_info))
     rule_idx = abs(rule_idx)
 
-    bindings = @view ematch_buffer[(next_delimiter_idx + 2):n]
+    bindings = @view ematch_buffer.v[(next_delimiter_idx + 2):n]
 
     print("$id E-Classes: ", map(x -> reinterpret(Int, v_pair_first(x)), bindings))
     print(" Nodes: ", map(x -> reinterpret(Int, v_pair_last(x)), bindings), "\n")