AlkantarClanX12
Current Path : /opt/alt/ruby18/lib64/ruby/1.8/irb/ |
Current File : //opt/alt/ruby18/lib64/ruby/1.8/irb/completion.rb |
# # irb/completor.rb - # $Release Version: 0.9$ # $Revision: 11708 $ # $Date: 2007-02-13 08:01:19 +0900 (Tue, 13 Feb 2007) $ # by Keiju ISHITSUKA(keiju@ishitsuka.com) # From Original Idea of shugo@ruby-lang.org # require "readline" module IRB module InputCompletor @RCS_ID='-$Id: completion.rb 11708 2007-02-12 23:01:19Z shyouhei $-' ReservedWords = [ "BEGIN", "END", "alias", "and", "begin", "break", "case", "class", "def", "defined", "do", "else", "elsif", "end", "ensure", "false", "for", "if", "in", "module", "next", "nil", "not", "or", "redo", "rescue", "retry", "return", "self", "super", "then", "true", "undef", "unless", "until", "when", "while", "yield", ] CompletionProc = proc { |input| bind = IRB.conf[:MAIN_CONTEXT].workspace.binding # puts "input: #{input}" case input when /^(\/[^\/]*\/)\.([^.]*)$/ # Regexp receiver = $1 message = Regexp.quote($2) candidates = Regexp.instance_methods(true) select_message(receiver, message, candidates) when /^([^\]]*\])\.([^.]*)$/ # Array receiver = $1 message = Regexp.quote($2) candidates = Array.instance_methods(true) select_message(receiver, message, candidates) when /^([^\}]*\})\.([^.]*)$/ # Proc or Hash receiver = $1 message = Regexp.quote($2) candidates = Proc.instance_methods(true) | Hash.instance_methods(true) select_message(receiver, message, candidates) when /^(:[^:.]*)$/ # Symbol if Symbol.respond_to?(:all_symbols) sym = $1 candidates = Symbol.all_symbols.collect{|s| ":" + s.id2name} candidates.grep(/^#{sym}/) else [] end when /^::([A-Z][^:\.\(]*)$/ # Absolute Constant or class methods receiver = $1 candidates = Object.constants candidates.grep(/^#{receiver}/).collect{|e| "::" + e} when /^(((::)?[A-Z][^:.\(]*)+)::?([^:.]*)$/ # Constant or class methods receiver = $1 message = Regexp.quote($4) begin candidates = eval("#{receiver}.constants | #{receiver}.methods", bind) rescue Exception candidates = [] end candidates.grep(/^#{message}/).collect{|e| receiver + "::" + e} when /^(:[^:.]+)\.([^.]*)$/ # Symbol receiver = $1 message = Regexp.quote($2) candidates = Symbol.instance_methods(true) select_message(receiver, message, candidates) when /^(-?(0[dbo])?[0-9_]+(\.[0-9_]+)?([eE]-?[0-9]+)?)\.([^.]*)$/ # Numeric receiver = $1 message = Regexp.quote($5) begin candidates = eval(receiver, bind).methods rescue Exception candidates = [] end select_message(receiver, message, candidates) when /^(-?0x[0-9a-fA-F_]+)\.([^.]*)$/ # Numeric(0xFFFF) receiver = $1 message = Regexp.quote($2) begin candidates = eval(receiver, bind).methods rescue Exception candidates = [] end select_message(receiver, message, candidates) when /^(\$[^.]*)$/ candidates = global_variables.grep(Regexp.new(Regexp.quote($1))) # when /^(\$?(\.?[^.]+)+)\.([^.]*)$/ when /^((\.?[^.]+)+)\.([^.]*)$/ # variable receiver = $1 message = Regexp.quote($3) gv = eval("global_variables", bind) lv = eval("local_variables", bind) cv = eval("self.class.constants", bind) if (gv | lv | cv).include?(receiver) # foo.func and foo is local var. candidates = eval("#{receiver}.methods", bind) elsif /^[A-Z]/ =~ receiver and /\./ !~ receiver # Foo::Bar.func begin candidates = eval("#{receiver}.methods", bind) rescue Exception candidates = [] end else # func1.func2 candidates = [] ObjectSpace.each_object(Module){|m| begin name = m.name rescue Exception name = "" end next if name != "IRB::Context" and /^(IRB|SLex|RubyLex|RubyToken)/ =~ name candidates.concat m.instance_methods(false) } candidates.sort! candidates.uniq! end select_message(receiver, message, candidates) when /^\.([^.]*)$/ # unknown(maybe String) receiver = "" message = Regexp.quote($1) candidates = String.instance_methods(true) select_message(receiver, message, candidates) else candidates = eval("methods | private_methods | local_variables | self.class.constants", bind) (candidates|ReservedWords).grep(/^#{Regexp.quote(input)}/) end } Operators = ["%", "&", "*", "**", "+", "-", "/", "<", "<<", "<=", "<=>", "==", "===", "=~", ">", ">=", ">>", "[]", "[]=", "^",] def self.select_message(receiver, message, candidates) candidates.grep(/^#{message}/).collect do |e| case e when /^[a-zA-Z_]/ receiver + "." + 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