diff options
Diffstat (limited to 'lib/irb/completion.rb')
| -rw-r--r-- | lib/irb/completion.rb | 337 |
1 files changed, 0 insertions, 337 deletions
diff --git a/lib/irb/completion.rb b/lib/irb/completion.rb deleted file mode 100644 index 3536e8ec87..0000000000 --- a/lib/irb/completion.rb +++ /dev/null @@ -1,337 +0,0 @@ -# frozen_string_literal: false -# -# irb/completion.rb - -# $Release Version: 0.9$ -# $Revision$ -# by Keiju ISHITSUKA(keiju@ishitsuka.com) -# From Original Idea of shugo@ruby-lang.org -# - -require "readline" -autoload :RDoc, "rdoc" - -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 - ] - - BASIC_WORD_BREAK_CHARACTERS = " \t\n`><=;|&{(" - - CompletionProc = proc { |input| - retrieve_completion_data(input).compact.map{ |i| i.encode(Encoding.default_external) } - } - - def self.retrieve_completion_data(input, bind: IRB.conf[:MAIN_CONTEXT].workspace.binding, doc_namespace: false) - case input - when /^((["'`]).*\2)\.([^.]*)$/ - # String - receiver = $1 - message = Regexp.quote($3) - - candidates = String.instance_methods.collect{|m| m.to_s} - if doc_namespace - "String.#{message}" - else - select_message(receiver, message, candidates) - end - - when /^(\/[^\/]*\/)\.([^.]*)$/ - # Regexp - receiver = $1 - message = Regexp.quote($2) - - candidates = Regexp.instance_methods.collect{|m| m.to_s} - if doc_namespace - "Regexp.#{message}" - else - select_message(receiver, message, candidates) - end - - when /^([^\]]*\])\.([^.]*)$/ - # Array - receiver = $1 - message = Regexp.quote($2) - - candidates = Array.instance_methods.collect{|m| m.to_s} - if doc_namespace - "Array.#{message}" - else - select_message(receiver, message, candidates) - end - - when /^([^\}]*\})\.([^.]*)$/ - # Proc or Hash - receiver = $1 - message = Regexp.quote($2) - - proc_candidates = Proc.instance_methods.collect{|m| m.to_s} - hash_candidates = Hash.instance_methods.collect{|m| m.to_s} - if doc_namespace - ["Proc.#{message}", "Hash.#{message}"] - else - select_message(receiver, message, proc_candidates | hash_candidates) - end - - when /^(:[^:.]*)$/ - # Symbol - return nil if doc_namespace - 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 = $1 - candidates = Object.constants.collect{|m| m.to_s} - if doc_namespace - candidates.find { |i| i == receiver } - else - candidates.grep(/^#{receiver}/).collect{|e| "::" + e} - end - - when /^([A-Z].*)::([^:.]*)$/ - # Constant or class methods - receiver = $1 - message = Regexp.quote($2) - begin - candidates = eval("#{receiver}.constants.collect{|m| m.to_s}", bind) - candidates |= eval("#{receiver}.methods.collect{|m| m.to_s}", bind) - rescue Exception - candidates = [] - end - if doc_namespace - "#{receiver}::#{message}" - else - select_message(receiver, message, candidates, "::") - end - - when /^(:[^:.]+)(\.|::)([^.]*)$/ - # Symbol - receiver = $1 - sep = $2 - message = Regexp.quote($3) - - candidates = Symbol.instance_methods.collect{|m| m.to_s} - if doc_namespace - "Symbol.#{message}" - else - select_message(receiver, message, candidates, sep) - end - - when /^(?<num>-?(0[dbo])?[0-9_]+(\.[0-9_]+)?(([eE][+-]?[0-9]+)?i?|r)?)(?<sep>\.|::)(?<mes>[^.]*)$/ - # Numeric - receiver = $~[:num] - sep = $~[:sep] - message = Regexp.quote($~[:mes]) - - begin - instance = eval(receiver, bind) - if doc_namespace - "#{instance.class.name}.#{message}" - else - candidates = instance.methods.collect{|m| m.to_s} - select_message(receiver, message, candidates, sep) - end - rescue Exception - if doc_namespace - nil - else - candidates = [] - end - end - - when /^(-?0x[0-9a-fA-F_]+)(\.|::)([^.]*)$/ - # Numeric(0xFFFF) - receiver = $1 - sep = $2 - message = Regexp.quote($3) - - begin - instance = eval(receiver, bind) - if doc_namespace - "#{instance.class.name}.#{message}" - else - candidates = instance.methods.collect{|m| m.to_s} - select_message(receiver, message, candidates, sep) - end - rescue Exception - if doc_namespace - nil - else - candidates = [] - end - end - - when /^(\$[^.]*)$/ - # global var - gvar = $1 - all_gvars = global_variables.collect{|m| m.to_s} - if doc_namespace - all_gvars.find{ |i| i == gvar } - else - all_gvars.grep(Regexp.new(Regexp.quote(gvar))) - end - - when /^([^."].*)(\.|::)([^.]*)$/ - # variable.func or func.func - receiver = $1 - sep = $2 - message = Regexp.quote($3) - - gv = eval("global_variables", bind).collect{|m| m.to_s}.append("true", "false", "nil") - lv = eval("local_variables", bind).collect{|m| m.to_s} - iv = eval("instance_variables", bind).collect{|m| m.to_s} - cv = eval("self.class.constants", bind).collect{|m| m.to_s} - - if (gv | lv | iv | cv).include?(receiver) or /^[A-Z]/ =~ receiver && /\./ !~ receiver - # foo.func and foo is var. OR - # foo::func and foo is var. OR - # foo::Const and foo is var. OR - # Foo::Bar.func - begin - candidates = [] - rec = eval(receiver, bind) - if sep == "::" and rec.kind_of?(Module) - candidates = rec.constants.collect{|m| m.to_s} - end - candidates |= rec.methods.collect{|m| m.to_s} - rescue Exception - candidates = [] - end - else - # func1.func2 - candidates = [] - to_ignore = ignored_modules - ObjectSpace.each_object(Module){|m| - next if (to_ignore.include?(m) rescue true) - candidates.concat m.instance_methods(false).collect{|x| x.to_s} - } - candidates.sort! - candidates.uniq! - end - if doc_namespace - "#{rec.class.name}#{sep}#{candidates.find{ |i| i == message }}" - else - select_message(receiver, message, candidates, sep) - end - - when /^\.([^.]*)$/ - # unknown(maybe String) - - receiver = "" - message = Regexp.quote($1) - - candidates = String.instance_methods(true).collect{|m| m.to_s} - if doc_namespace - "String.#{candidates.find{ |i| i == message }}" - else - select_message(receiver, message, candidates) - end - - else - candidates = eval("methods | private_methods | local_variables | instance_variables | self.class.constants", bind).collect{|m| m.to_s} - conditions |= ReservedWords - - if doc_namespace - candidates.find{ |i| i == input } - else - candidates.grep(/^#{Regexp.quote(input)}/) - end - end - end - - PerfectMatchedProc = ->(matched) { - RDocRIDriver ||= RDoc::RI::Driver.new - 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| - RDocRIDriver.page do |io| - IO.copy_stream(f, io) - end - end - return - end - namespace = retrieve_completion_data(matched, doc_namespace: true) - return unless matched - if namespace.is_a?(Array) - out = RDoc::Markup::Document.new - namespace.each do |m| - begin - RDocRIDriver.add_method(out, m) - rescue RDoc::RI::Driver::NotFoundError - end - end - RDocRIDriver.display(out) - else - begin - RDocRIDriver.display_names([namespace]) - rescue RDoc::RI::Driver::NotFoundError - end - 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 - - def self.ignored_modules - # We could cache the result, but this is very fast already. - # By using this approach, we avoid Module#name calls, which are - # relatively slow when there are a lot of anonymous modules defined. - s = {} - - scanner = lambda do |m| - next if s.include?(m) # IRB::ExtendCommandBundle::EXCB recurses. - s[m] = true - m.constants(false).each do |c| - value = m.const_get(c) - scanner.call(value) if value.is_a?(Module) - end - end - - %i(IRB RubyLex).each do |sym| - next unless Object.const_defined?(sym) - scanner.call(Object.const_get(sym)) - end - - s.delete(IRB::Context) if defined?(IRB::Context) - - s - end - end -end |
