AlkantarClanX12
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# frozen_string_literal: false
#
# irb/completor.rb -
# $Release Version: 0.9$
# $Revision: 53141 $
# by Keiju ISHITSUKA(keiju@ishitsuka.com)
# From Original Idea of shugo@ruby-lang.org
#
require "readline"
module IRB
module InputCompletor # :nodoc:
# Set of reserved words used by Ruby, you should not use these for
# constants or variables
ReservedWords = %w[
BEGIN END
alias and
begin break
case class
def defined do
else elsif end ensure
false for
if in
module
next nil not
or
redo rescue retry return
self super
then true
undef unless until
when while
yield
]
CompletionProc = proc { |input|
bind = IRB.conf[:MAIN_CONTEXT].workspace.binding
case input
when /^((["'`]).*\2)\.([^.]*)$/
# String
receiver = $1
message = Regexp.quote($3)
candidates = String.instance_methods.collect{|m| m.to_s}
select_message(receiver, message, candidates)
when /^(\/[^\/]*\/)\.([^.]*)$/
# Regexp
receiver = $1
message = Regexp.quote($2)
candidates = Regexp.instance_methods.collect{|m| m.to_s}
select_message(receiver, message, candidates)
when /^([^\]]*\])\.([^.]*)$/
# Array
receiver = $1
message = Regexp.quote($2)
candidates = Array.instance_methods.collect{|m| m.to_s}
select_message(receiver, message, candidates)
when /^([^\}]*\})\.([^.]*)$/
# Proc or Hash
receiver = $1
message = Regexp.quote($2)
candidates = Proc.instance_methods.collect{|m| m.to_s}
candidates |= Hash.instance_methods.collect{|m| m.to_s}
select_message(receiver, message, candidates)
when /^(:[^:.]*)$/
# Symbol
if Symbol.respond_to?(:all_symbols)
sym = $1
candidates = Symbol.all_symbols.collect{|s| ":" + s.id2name}
candidates.grep(/^#{Regexp.quote(sym)}/)
else
[]
end
when /^::([A-Z][^:\.\(]*)$/
# Absolute Constant or class methods
receiver = $1
candidates = Object.constants.collect{|m| m.to_s}
candidates.grep(/^#{receiver}/).collect{|e| "::" + e}
when /^([A-Z].*)::([^:.]*)$/
# Constant or class methods
receiver = $1
message = Regexp.quote($2)
begin
candidates = eval("#{receiver}.constants.collect{|m| m.to_s}", bind)
candidates |= eval("#{receiver}.methods.collect{|m| m.to_s}", bind)
rescue Exception
candidates = []
end
select_message(receiver, message, candidates, "::")
when /^(:[^:.]+)(\.|::)([^.]*)$/
# Symbol
receiver = $1
sep = $2
message = Regexp.quote($3)
candidates = Symbol.instance_methods.collect{|m| m.to_s}
select_message(receiver, message, candidates, sep)
when /^(-?(0[dbo])?[0-9_]+(\.[0-9_]+)?([eE]-?[0-9]+)?)(\.|::)([^.]*)$/
# Numeric
receiver = $1
sep = $5
message = Regexp.quote($6)
begin
candidates = eval(receiver, bind).methods.collect{|m| m.to_s}
rescue Exception
candidates = []
end
select_message(receiver, message, candidates, sep)
when /^(-?0x[0-9a-fA-F_]+)(\.|::)([^.]*)$/
# Numeric(0xFFFF)
receiver = $1
sep = $2
message = Regexp.quote($3)
begin
candidates = eval(receiver, bind).methods.collect{|m| m.to_s}
rescue Exception
candidates = []
end
select_message(receiver, message, candidates, sep)
when /^(\$[^.]*)$/
# global var
regmessage = Regexp.new(Regexp.quote($1))
candidates = global_variables.collect{|m| m.to_s}.grep(regmessage)
when /^([^."].*)(\.|::)([^.]*)$/
# variable.func or func.func
receiver = $1
sep = $2
message = Regexp.quote($3)
gv = eval("global_variables", bind).collect{|m| m.to_s}
lv = eval("local_variables", bind).collect{|m| m.to_s}
iv = eval("instance_variables", bind).collect{|m| m.to_s}
cv = eval("self.class.constants", bind).collect{|m| m.to_s}
if (gv | lv | iv | cv).include?(receiver) or /^[A-Z]/ =~ receiver && /\./ !~ receiver
# foo.func and foo is var. OR
# foo::func and foo is var. OR
# foo::Const and foo is var. OR
# Foo::Bar.func
begin
candidates = []
rec = eval(receiver, bind)
if sep == "::" and rec.kind_of?(Module)
candidates = rec.constants.collect{|m| m.to_s}
end
candidates |= rec.methods.collect{|m| m.to_s}
rescue Exception
candidates = []
end
else
# func1.func2
candidates = []
ObjectSpace.each_object(Module){|m|
begin
name = m.name
rescue Exception
name = ""
end
begin
next if name != "IRB::Context" and
/^(IRB|SLex|RubyLex|RubyToken)/ =~ name
rescue Exception
next
end
candidates.concat m.instance_methods(false).collect{|x| x.to_s}
}
candidates.sort!
candidates.uniq!
end
select_message(receiver, message, candidates, sep)
when /^\.([^.]*)$/
# unknown(maybe String)
receiver = ""
message = Regexp.quote($1)
candidates = String.instance_methods(true).collect{|m| m.to_s}
select_message(receiver, message, candidates)
else
candidates = eval("methods | private_methods | local_variables | instance_variables | self.class.constants", bind).collect{|m| m.to_s}
(candidates|ReservedWords).grep(/^#{Regexp.quote(input)}/)
end
}
# Set of available operators in Ruby
Operators = %w[% & * ** + - / < << <= <=> == === =~ > >= >> [] []= ^ ! != !~]
def self.select_message(receiver, message, candidates, sep = ".")
candidates.grep(/^#{message}/).collect do |e|
case e
when /^[a-zA-Z_]/
receiver + sep + e
when /^[0-9]/
when *Operators
#receiver + " " + e
end
end
end
end
end
if Readline.respond_to?("basic_word_break_characters=")
Readline.basic_word_break_characters= " \t\n`><=;|&{("
end
Readline.completion_append_character = nil
Readline.completion_proc = IRB::InputCompletor::CompletionProc