lib/pry/commands/reload_code.rb
# frozen_string_literal: true
class Pry
class Command
class ReloadCode < Pry::ClassCommand
match 'reload-code'
group 'Misc'
description 'Reload the source file that contains the specified code object.'
banner <<-'BANNER'
Reload the source file that contains the specified code object.
e.g reload-code MyClass#my_method #=> reload a method
reload-code MyClass #=> reload a class
reload-code my-command #=> reload a pry command
reload-code self #=> reload the current object
reload-code #=> reload the current file or object
BANNER
def process
if !args.empty?
reload_object(args.join(" "))
elsif internal_binding?(target)
reload_object("self")
else
reload_current_file
end
end
private
def current_file
file =
if target.respond_to?(:source_location)
target.source_location.first
else
target.eval("__FILE__")
end
File.expand_path file
end
def reload_current_file
unless File.exist?(current_file)
raise CommandError, "Current file: #{current_file} cannot be found on disk!"
end
load current_file
output.puts "The current file: #{current_file} was reloaded!"
end
def reload_object(identifier)
code_object = Pry::CodeObject.lookup(identifier, pry_instance)
check_for_reloadability(code_object, identifier)
load code_object.source_file
output.puts "#{identifier} was reloaded!"
end
def check_for_reloadability(code_object, identifier)
if !code_object || !code_object.source_file
raise CommandError, "Cannot locate #{identifier}!"
end
return if File.exist?(code_object.source_file)
raise CommandError,
"Cannot reload #{identifier} as it has no associated file on disk. " \
"File found was: #{code_object.source_file}"
end
end
Pry::Commands.add_command(Pry::Command::ReloadCode)
Pry::Commands.alias_command 'reload-method', 'reload-code'
end
end