yugui	2008-07-26 23:19:50 +0900 (Sat, 26 Jul 2008)

  New Revision: 18227

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=rev&revision=18227

  Log:
    * sample/exyacc.rb: fixed NoMethodError(Kernel#sub!).
      replaced use of special variables with explicit IO
      operations.

  Modified files:
    trunk/ChangeLog
    trunk/sample/exyacc.rb

Index: ChangeLog
===================================================================
--- ChangeLog	(revision 18226)
+++ ChangeLog	(revision 18227)
@@ -1,3 +1,9 @@
+Sat Jul 26 22:45:18 2008  Yuki Sonoda (Yugui)  <yugui@y...>
+
+	* sample/exyacc.rb: fixed NoMethodError(Kernel#sub!).
+	  replaced use of special variables with explicit IO 
+	  operations.
+
 Sat Jul 26 21:17:18 2008  Masaki Suketa  <masaki.suketa@n...>
 
 	* ext/win32ole/win32ole.c (Init_win32ole): add
Index: sample/exyacc.rb
===================================================================
--- sample/exyacc.rb	(revision 18226)
+++ sample/exyacc.rb	(revision 18227)
@@ -2,21 +2,19 @@
 # usage: exyacc.rb [yaccfiles]
 # this is coverted from exyacc.pl in the camel book
 
-$/ = nil
-
-while gets()
-  sbeg = $_.index("\n%%") + 1
-  send = $_.rindex("\n%%") + 1
-  $_ = $_[sbeg, send-sbeg]
-  sub!(/.*\n/, "")
-  gsub!(/'\{'/, "'\001'")
-  gsub!(/'\}'/, "'\002'")
-  gsub!(%r{\*/}, "\003\003")
-  gsub!(%r{/\*[^\003]*\003\003}, '')
-  while gsub!(/\{[^{}]*\}/, ''); end
-  gsub!(/'\001'/, "'{'")
-  gsub!(/'\002'/, "'}'")
-  while gsub!(/^[ \t]*\n(\s)/, '\1'); end
-  gsub!(/([:|])[ \t\n]+(\w)/, '\1 \2')
-  print $_
+ARGF.each(nil) do |source|
+  sbeg = source.index("\n%%") + 1
+  send = source.rindex("\n%%") + 1
+  grammer = source[sbeg, send-sbeg]
+  grammer.sub!(/.*\n/, "")
+  grammer.gsub!(/'\{'/, "'\001'")
+  grammer.gsub!(/'\}'/, "'\002'")
+  grammer.gsub!(%r{\*/}, "\003\003")
+  grammer.gsub!(%r{/\*[^\003]*\003\003}, '')
+  while grammer.gsub!(/\{[^{}]*\}/, ''); end
+  grammer.gsub!(/'\001'/, "'{'")
+  grammer.gsub!(/'\002'/, "'}'")
+  while grammer.gsub!(/^[ \t]*\n(\s)/, '\1'); end
+  grammer.gsub!(/([:|])[ \t\n]+(\w)/, '\1 \2')
+  print grammer
 end

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