ref-ere-sum - SICStus Prolog

abort: abort execution of the program; return to current break level
break: start a new break-level to interpret commands from the user
catch(:P,?E,:H) ISO: specify a handler H for any exception E arising in the execution of the goal P
user:error_exception(+Exception) hook,development: Exception is an exception that traps to the debugger if it is switched on.
goal_source_info(+AGoal, -Goal, -SourceInfo): Decomposes the annotated goal AGoal into a Goal proper and the SourceInfo descriptor term, indicating the source position of the goal.
halt ISO
halt(C) ISO: exit from Prolog with exit code C
on_exception(?E,:P,:H): specify a handler H for any exception E arising in the execution of the goal P
raise_exception(+E): raise exception E
throw(+E) ISO: raise exception E
unknown(?OldValue, ?NewValue) development: access the unknown Prolog flag and print a message
user:unknown_predicate_handler(+Goal, +Module, -NewGoal) hook: tell Prolog to call Module:NewGoal if Module:Goal is undefined