SWI-Prolog -- cli_parse_debug

Documentation
- Reference manual
  - The SWI-Prolog library
    - library(main): Provide entry point for scripts
- Packages

Availability::- use_module(library(main)).(can be autoloaded)

[det]cli_parse_debug_options(+OptionsIn, -Options)

Parse certain commandline options for debugging and development purposes. Options processed are below. Note that the option argument is an atom such that these options may be activated as e.g., --debug='http(_)'.

debug(Topic): Call debug(Topic). See debug/1 and debug/3.
spy(Predicate): Place a spy-point on Predicate.
gspy(Predicate): As spy using the graphical debugger. See tspy/1.
interactive(true): Start the Prolog toplevel after main/1 completes.