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irb: defer requiring rdoc to improve the start up time

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Nobuyoshi Nakada 2019-06-10 21:07:24 +09:00
parent 973fd18f11
commit 976c689ad4
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GPG key ID: 4BC7D6DF58D8DF60
2 changed files with 10 additions and 7 deletions
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13
lib/irb/cmd/help.rb
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@ -9,17 +9,18 @@
# #
# #
require 'rdoc/ri/driver'
require_relative "nop" require_relative "nop"
# :stopdoc: # :stopdoc:
module IRB module IRB
module ExtendCommand module ExtendCommand
class Help < Nop class Help < Nop
begin def execute(*names)
Ri = RDoc::RI::Driver.new require 'rdoc/ri/driver'
rescue SystemExit IRB::ExtendCommand::Help.const_set(:Ri, RDoc::RI::Driver.new)
rescue LoadError, SystemExit
IRB::ExtendCommand::Help.remove_method(:execute)
# raise NoMethodError in ensure
else else
def execute(*names) def execute(*names)
if names.empty? if names.empty?
@ -35,6 +36,8 @@ module IRB
end end
nil nil
end end
ensure
execute(*names)
end end
end end
end end

4
lib/irb/completion.rb
View file

@ -8,7 +8,7 @@
# #
require "readline" require "readline"
require "rdoc" autoload :RDoc, "rdoc"
module IRB module IRB
module InputCompletor # :nodoc: module InputCompletor # :nodoc:
@ -267,8 +267,8 @@ module IRB
end end
end end
RDocRIDriver = RDoc::RI::Driver.new
PerfectMatchedProc = ->(matched) { PerfectMatchedProc = ->(matched) {
RDocRIDriver ||= RDoc::RI::Driver.new
if matched =~ /\A(?:::)?RubyVM/ and not ENV['RUBY_YES_I_AM_NOT_A_NORMAL_USER'] if matched =~ /\A(?:::)?RubyVM/ and not ENV['RUBY_YES_I_AM_NOT_A_NORMAL_USER']
File.open(File.join(__dir__, 'ruby_logo.aa')) do |f| File.open(File.join(__dir__, 'ruby_logo.aa')) do |f|
RDocRIDriver.page do |io| RDocRIDriver.page do |io|