59 lines
1.6 KiB
Ruby
59 lines
1.6 KiB
Ruby
class Pry
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module DefaultCommands
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Cd = Pry::CommandSet.new do
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create_command "cd" do
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group "Context"
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description "Move into a new context (object or scope)."
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banner <<-BANNER
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Usage: cd [OPTIONS] [--help]
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Move into new context (object or scope). As in unix shells use
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`cd ..` to go back and `cd /` to return to Pry top-level).
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Complex syntax (e.g cd ../@x/y) also supported.
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e.g: `cd @x`
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e.g: `cd ..
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e.g: `cd /`
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https://github.com/pry/pry/wiki/State-navigation#wiki-Changing_scope
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BANNER
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def process
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path = arg_string.split(/\//)
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stack = _pry_.binding_stack.dup
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# special case when we only get a single "/", return to root
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stack = [stack.first] if path.empty?
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path.each do |context|
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begin
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case context.chomp
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when ""
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stack = [stack.first]
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when "::"
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stack.push(TOPLEVEL_BINDING)
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when "."
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next
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when ".."
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unless stack.size == 1
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stack.pop
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end
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else
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stack.push(Pry.binding_for(stack.last.eval(context)))
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end
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rescue RescuableException => e
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output.puts "Bad object path: #{arg_string.chomp}. Failed trying to resolve: #{context}"
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output.puts e.inspect
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return
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end
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end
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_pry_.binding_stack = stack
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end
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end
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end
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end
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end
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