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config.rb
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config.rb
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# frozen_string_literal: true
require 'ostruct'
class Pry
# @api private
class Config
extend Attributable
# @return [IO, #readline] he object from which Pry retrieves its lines of
# input
attribute :input
# @return [IO, #puts] where Pry should output results provided by {input}
attribute :output
# @return [Pry::CommandSet]
attribute :commands
# @return [Proc] the printer for Ruby expressions (not commands)
attribute :print
# @return [Proc] the printer for exceptions
attribute :exception_handler
# @return [Array] Exception that Pry shouldn't rescue
attribute :unrescued_exceptions
# @deprecated
# @return [Array] Exception that Pry shouldn't rescue
attribute :exception_whitelist
# @return [Integer] The number of lines of context to show before and after
# exceptions
attribute :default_window_size
# @return [Pry::Hooks]
attribute :hooks
# @return [Pry::Prompt]
attribute :prompt
# @return [String] The display name that is part of the prompt
attribute :prompt_name
# @return [Array<Object>] the list of objects that are known to have a
# 1-line #inspect output suitable for prompt
attribute :prompt_safe_contexts
# If it is a String, then that String is used as the shell
# command to invoke the editor.
#
# If it responds to #call is callable then `file`, `line`, and `reloading`
# are passed to it. `reloading` indicates whether Pry will be reloading code
# after the shell command returns. All parameters are optional.
# @return [String, #call]
attribute :editor
# A string that must precede all commands. For example, if is is
# set to "%", the "cd" command must be invoked as "%cd").
# @return [String]
attribute :command_prefix
# @return [Boolean]
attribute :color
# @return [Boolean]
attribute :pager
# @return [Boolean] whether the global ~/.pryrc should be loaded
attribute :should_load_rc
# @return [Boolean] whether the local ./.pryrc should be loaded
attribute :should_load_local_rc
# @return [Boolean]
attribute :should_load_plugins
# @return [Boolean] whether to load files specified with the -r flag
attribute :should_load_requires
# @return [Boolean] whether to disable edit-method's auto-reloading behavior
attribute :disable_auto_reload
# Whether Pry should trap SIGINT and cause it to raise an Interrupt
# exception. This is only useful on JRuby, MRI does this for us.
# @return [Boolean]
attribute :should_trap_interrupts
# @return [Pry::History]
attribute :history
# @return [Boolean]
attribute :history_save
# @return [Boolean]
attribute :history_load
# @return [String]
attribute :history_file
# @return [Array<String,Regexp>]
attribute :history_ignorelist
# @return [Array<String>] Ruby files to be required
attribute :requires
# @return [Integer] how many input/output lines to keep in memory
attribute :memory_size
# @return [Proc] The proc that runs system commands
attribute :system
# @return [Boolean]
attribute :auto_indent
# @return [Boolean]
attribute :correct_indent
# @return [Boolean] whether or not display a warning when a command name
# collides with a method/local in the current context.
attribute :collision_warning
# @return [Hash{Symbol=>Proc}]
attribute :extra_sticky_locals
# @return [#build_completion_proc] a completer to use
attribute :completer
# @return [Boolean] suppresses whereami output on `binding.pry`
attribute :quiet
# @return [Boolean] displays a warning about experience improvement on
# Windows
attribute :windows_console_warning
# @return [Proc]
attribute :command_completions
# @return [Proc]
attribute :file_completions
# @return [Hash]
attribute :ls
# @return [String] a line of code to execute in context before the session
# starts
attribute :exec_string
# @return [String]
attribute :output_prefix
# @return [String]
# @since v0.13.0
attribute :rc_file
def initialize
merge!(
input: MemoizedValue.new { lazy_readline },
output: $stdout.tap { |out| out.sync = true },
commands: Pry::Commands,
prompt_name: 'pry',
prompt: Pry::Prompt[:default],
prompt_safe_contexts: [String, Numeric, Symbol, nil, true, false],
print: Pry::ColorPrinter.method(:default),
quiet: false,
exception_handler: Pry::ExceptionHandler.method(:handle_exception),
unrescued_exceptions: [
::SystemExit, ::SignalException, Pry::TooSafeException
],
exception_whitelist: MemoizedValue.new do
output.puts(
'[warning] Pry.config.exception_whitelist is deprecated, ' \
'please use Pry.config.unrescued_exceptions instead.'
)
unrescued_exceptions
end,
hooks: Pry::Hooks.default,
pager: true,
system: Pry::SystemCommandHandler.method(:default),
color: Pry::Helpers::BaseHelpers.use_ansi_codes?,
default_window_size: 5,
editor: Pry::Editor.default,
rc_file: default_rc_file,
should_load_rc: true,
should_load_local_rc: true,
should_trap_interrupts: Pry::Helpers::Platform.jruby?,
disable_auto_reload: false,
command_prefix: '',
auto_indent: Pry::Helpers::BaseHelpers.use_ansi_codes?,
correct_indent: true,
collision_warning: false,
output_prefix: '=> ',
requires: [],
should_load_requires: true,
should_load_plugins: false,
windows_console_warning: true,
control_d_handler: Pry::ControlDHandler.method(:default),
memory_size: 100,
extra_sticky_locals: {},
command_completions: proc { commands.keys },
file_completions: proc { Dir['.'] },
ls: OpenStruct.new(Pry::Command::Ls::DEFAULT_OPTIONS),
completer: Pry::InputCompleter,
history_save: true,
history_load: true,
history_file: Pry::History.default_file,
history_ignorelist: [],
history: MemoizedValue.new do
if defined?(input::HISTORY)
Pry::History.new(history: input::HISTORY)
else
Pry::History.new
end
end,
exec_string: ''
)
@custom_attrs = {}
end
def merge!(config_hash)
config_hash.each_pair { |attr, value| __send__("#{attr}=", value) }
self
end
def merge(config_hash)
dup.merge!(config_hash)
end
def []=(attr, value)
@custom_attrs[attr.to_s] = Config::Value.new(value)
end
def [](attr)
@custom_attrs[attr.to_s].call
end
# rubocop:disable Style/MethodMissingSuper
def method_missing(method_name, *args, &_block)
name = method_name.to_s
if name.end_with?('=')
self[name[0..-2]] = args.first
elsif @custom_attrs.key?(name)
self[name]
end
end
# rubocop:enable Style/MethodMissingSuper
def respond_to_missing?(method_name, include_all = false)
@custom_attrs.key?(method_name.to_s.tr('=', '')) || super
end
def initialize_dup(other)
super
@custom_attrs = @custom_attrs.dup
end
attr_reader :control_d_handler
def control_d_handler=(value)
proxy_proc =
if value.arity == 2
Pry::Warning.warn(
"control_d_handler's arity of 2 parameters was deprecated " \
'(eval_string, pry_instance). Now it gets passed just 1 ' \
'parameter (pry_instance)'
)
proc do |*args|
if args.size == 2
value.call(args.first, args[1])
else
value.call(args.first.eval_string, args.first)
end
end
else
proc do |*args|
if args.size == 2
value.call(args[1])
else
value.call(args.first)
end
end
end
@control_d_handler = proxy_proc
end
private
def lazy_readline
require 'readline'
::Readline
rescue LoadError
output.puts(
"Sorry, you can't use Pry without Readline or a compatible library. \n" \
"Possible solutions: \n" \
" * Rebuild Ruby with Readline support using `--with-readline` \n" \
" * Use the rb-readline gem, which is a pure-Ruby port of Readline \n" \
" * Use the pry-coolline gem, a pure-ruby alternative to Readline"
)
raise
end
def default_rc_file
if (pryrc = Pry::Env['PRYRC'])
pryrc
elsif (xdg_home = Pry::Env['XDG_CONFIG_HOME'])
# See XDG Base Directory Specification at
# https://standards.freedesktop.org/basedir-spec/basedir-spec-0.8.html
xdg_home + '/pry/pryrc'
elsif File.exist?(File.expand_path('~/.pryrc'))
'~/.pryrc'
else
'~/.config/pry/pryrc'
end
end
end
end