chr.pl

 debug_event(+State, +Event)[multifile]

Hook into the CHR debugger. At this moment we will discard CHR events if we are in a Prolog `skip' and we ignore the

 debug_interact(+Event, +Depth, -Command)[multifile]

Hook into the CHR debugger to display Event and ask for the next command to execute. This definition causes the normal Prolog debugger to be used for the standard ports.

 debug_ask_continue(-Command) is semidet[multifile]

Hook to ask for a CHR debug continuation. Must bind Command to one of creep, skip, ancestors, nodebug, abort, fail, break, help or exit.

Re-exported predicates

The following predicates are exported from this file while their implementation is defined in imported modules or non-module files loaded by this module.

 find_chr_constraint(-Constraint) is nondet

True when Constraint is a currently known constraint in any known CHR module.

deprecated

- current_chr_constraint/1 handles modules.

 current_chr_constraint(:Constraint) is nondet

True if Constraint is a constraint associated with the qualified module.

Undocumented predicates

The following predicates are exported, but not or incorrectly documented.

 chr_trace

 chr_notrace

 chr_leash(Arg1)

 chr_show_store(Arg1)