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|
# frozen_string_literal: true
#
# nop.rb -
# by Keiju ISHITSUKA(keiju@ruby-lang.org)
#
module IRB
# :stopdoc:
module Command
class CommandArgumentError < StandardError; end
def self.extract_ruby_args(*args, **kwargs)
throw :EXTRACT_RUBY_ARGS, [args, kwargs]
end
class Base
class << self
def category(category = nil)
@category = category if category
@category
end
def description(description = nil)
@description = description if description
@description
end
def help_message(help_message = nil)
@help_message = help_message if help_message
@help_message
end
private
def highlight(text)
Color.colorize(text, [:BOLD, :BLUE])
end
end
def self.execute(irb_context, arg)
new(irb_context).execute(arg)
rescue CommandArgumentError => e
puts e.message
end
def initialize(irb_context)
@irb_context = irb_context
end
attr_reader :irb_context
def unwrap_string_literal(str)
return if str.empty?
sexp = Ripper.sexp(str)
if sexp && sexp.size == 2 && sexp.last&.first&.first == :string_literal
@irb_context.workspace.binding.eval(str).to_s
else
str
end
end
def ruby_args(arg)
# Use throw and catch to handle arg that includes `;`
# For example: "1, kw: (2; 3); 4" will be parsed to [[1], { kw: 3 }]
catch(:EXTRACT_RUBY_ARGS) do
@irb_context.workspace.binding.eval "IRB::Command.extract_ruby_args #{arg}"
end || [[], {}]
end
def execute(arg)
#nop
end
end
Nop = Base
end
# :startdoc:
end
|
