skill debugging in CIW (6.1.7)

<test.il file>

procedure(test()
let((a)
  a = 1
  a += 1
  a += 10
  a += 100
  for(i 1 10 printf(">>> %d\n" i)
))

i want to debug test.il with CIW commands (like GDB for C), not with skillide.

so i tried the following commands:

load("test.il")
installDebugger()
;; (1) Set a breakpoint on the 3rd line of test.il
test()
dump()
next()
;; (2) Find out which *.il file and which line is currently being executed
debugQuit()
uninstallDebugger()

in the above process i would like to know how to execute steps (1) and (2).

when i run debugStatus() for step(2), all the fields in the returned data are nil.