Module: Pry::ControlDHandler Private

Defined in:
lib/pry/control_d_handler.rb

Overview

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Since:

  • v0.13.0

Class Method Summary collapse

Class Method Details

.default(pry_instance) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Deal with the ^D key being pressed. Different behaviour in different cases:

1. In an expression behave like `!` command.
2. At top-level session behave like `exit` command.
3. In a nested session behave like `cd ..`.

Since:

  • v0.13.0



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# File 'lib/pry/control_d_handler.rb', line 12

def self.default(pry_instance)
  if !pry_instance.eval_string.empty?
    # Clear input buffer.
    pry_instance.eval_string = ''
  elsif pry_instance.binding_stack.one?
    pry_instance.binding_stack.clear
    throw(:breakout)
  else
    # Otherwise, saves current binding stack as old stack and pops last
    # binding out of binding stack (the old stack still has that binding).
    cd_state = Pry::CommandState.default.state_for('cd')
    cd_state.old_stack = pry_instance.binding_stack.dup
    pry_instance.binding_stack.pop
  end
end