* lib/irb/ruby-lex.rb (RubyLex::identify_number): alternative implements

for [ruby-dev:26410]. And support a numeric form of 0d99999.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8681 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -1,3 +1,7 @@
+Thu Jun 30 19:00:21 2005  Keiju Ishitsuka  <keiju@ruby-lang.org>
+	* lib/irb/ruby-lex.rb (RubyLex::identify_number): alternative implements
+	  for [ruby-dev:26410]. And support a numeric form of 0d99999. 
+
 Thu Jun 30 17:28:10 2005  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* lib/irb/ruby-lex.rb (RubyLex::identify_number): should not treat

lib/irb/ruby-lex.rb

@@ -936,23 +936,30 @@ class RubyLex
     @lex_state = EXPR_END
 
     if peek(0) == "0" && peek(1) !~ /[.eE]/
-      len0 = true
-      non_digit = false
       getc
-      if /[xX]/ =~ peek(0)
+      case peek(0)
+      when /[xX]/
 	ch = getc
 	match = /[0-9a-fA-F_]/
-      elsif /[bB]/ =~ peek(0)
+      when /[bB]/
 	ch = getc
 	match = /[01_]/
-      elsif /[oO]/ =~ peek(0)
+      when /[oO]/
 	ch = getc
 	match = /[0-7_]/
-      else
+      when /[dD]/
+	ch = getc
+	match = /[0-9_]/
+      when /[0-7]/
 	match = /[0-7_]/
-        len0 = false
+      when /[89]/
+	RubyLex.fail SyntaxError, "Illegal octal digit"
+      else 
+	return Token(TkINTEGER)
       end
-
+      
+      len0 = true
+      non_digit = false
       while ch = getc
 	if match =~ ch
 	  if ch == "_"