push %ebp; mov $0xfe38d080, %ebp; call *4(%ebx); jnc 1f # invoke visitor in %ebx with node data in %ebp
call 0xfe381000; call 0xfe38d844; call 0xfe391daa       # conditionally visit child nodes
1: call *8(%ebx); pop %ebp; ret                         # invoke visitor again