- pengines:prepare_goal(+GoalIn, -GoalOut, +Options) is semidet[multifile, wordlist(trace)]
- Handle the
breakpoints(List) option to set breakpoints prior to
execution of the query. If breakpoints are present and enabled,
the goal is executed in debug mode. List is a list, holding a
dict for each source that has breakpoints. The dict contains
these keys:
file is the source file. For the current Pengine source
this is pengine://<pengine>/src.breakpoints is a list of lines (integers) where to put
break points.