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28 lines
962 B
Ruby
28 lines
962 B
Ruby
# frozen_string_literal: true
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class Pry
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# @api private
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# @since ?.?.?
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module ControlDHandler
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# Deal with the ^D key being pressed. Different behaviour in different
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# cases:
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# 1. In an expression behave like `!` command.
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# 2. At top-level session behave like `exit` command.
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# 3. In a nested session behave like `cd ..`.
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def self.default(pry_instance)
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if !pry_instance.eval_string.empty?
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# Clear input buffer.
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pry_instance.eval_string = ''
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elsif pry_instance.binding_stack.one?
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pry_instance.binding_stack.clear
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throw(:breakout)
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else
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# Otherwise, saves current binding stack as old stack and pops last
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# binding out of binding stack (the old stack still has that binding).
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cd_state = Pry::CommandState.default.state_for('cd')
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cd_state.old_stack = pry_instance.binding_stack.dup
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pry_instance.binding_stack.pop
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end
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end
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end
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end
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