pry--pry/lib/pry/commands/exit.rb

45 lines
1.2 KiB
Ruby

class Pry
class Command::Exit < Pry::ClassCommand
match 'exit'
group 'Navigating Pry'
description 'Pop the previous binding (does NOT exit program). Aliases: quit'
banner <<-BANNER
Usage: exit [OPTIONS] [--help]
Aliases: quit
It can be useful to exit a context with a user-provided value. For
instance an exit value can be used to determine program flow.
e.g: `exit "pry this"`
e.g: `exit`
https://github.com/pry/pry/wiki/State-navigation#wiki-Exit_with_value
BANNER
command_options(
:keep_retval => true
)
def process
if _pry_.binding_stack.one?
_pry_.run_command "exit-all #{arg_string}"
else
# otherwise just pop a binding and return user supplied value
process_pop_and_return
end
end
def process_pop_and_return
popped_object = _pry_.binding_stack.pop.eval('self')
# return a user-specified value if given otherwise return the object
return target.eval(arg_string) unless arg_string.empty?
popped_object
end
end
Pry::Commands.add_command(Pry::Command::Exit)
Pry::Commands.alias_command 'quit', 'exit'
end