From 1e760c0be3ed35874204114e7454509f740c0fe2 Mon Sep 17 00:00:00 2001
From: shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>
Date: Wed, 22 Aug 2007 01:53:51 +0000
Subject: add tag v1_8_6_71

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/tags/v1_8_5_71@13189 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
---
 ruby_1_8_6/lib/irb/completion.rb | 205 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 205 insertions(+)
 create mode 100644 ruby_1_8_6/lib/irb/completion.rb

(limited to 'ruby_1_8_6/lib/irb/completion.rb')

diff --git a/ruby_1_8_6/lib/irb/completion.rb b/ruby_1_8_6/lib/irb/completion.rb
new file mode 100644
index 0000000000..000658e2a3
--- /dev/null
+++ b/ruby_1_8_6/lib/irb/completion.rb
@@ -0,0 +1,205 @@
+#
+#   irb/completor.rb - 
+#   	$Release Version: 0.9$
+#   	$Revision$
+#   	$Date$
+#   	by Keiju ISHITSUKA(keiju@ishitsuka.com)
+#       From Original Idea of shugo@ruby-lang.org
+#
+
+require "readline"
+
+module IRB
+  module InputCompletor
+
+    @RCS_ID='-$Id$-'
+
+    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
-- 
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