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diff --git a/ext/ripper/lib/ripper/core.rb b/ext/ripper/lib/ripper/core.rb
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+#
+# $Id$
+#
+# Copyright (c) 2003-2005 Minero Aoki
+#
+# This program is free software.
+# You can distribute and/or modify this program under the Ruby License.
+# For details of Ruby License, see ruby/COPYING.
+#
+
+require 'ripper.so'
+
+class Ripper
+
+ # Parses Ruby program read from _src_.
+ # _src_ must be a String or a IO or a object which has #gets method.
+ def Ripper.parse(src, filename = '(ripper)', lineno = 1)
+ new(src, filename, lineno).parse
+ end
+
+ # This array contains name of parser events.
+ PARSER_EVENTS = PARSER_EVENT_TABLE.keys
+
+ # This array contains name of scanner events.
+ SCANNER_EVENTS = SCANNER_EVENT_TABLE.keys
+
+ # This array contains name of all ripper events.
+ EVENTS = PARSER_EVENTS + SCANNER_EVENTS
+
+ private
+
+ #
+ # Parser Events
+ #
+
+ PARSER_EVENT_TABLE.each do |id, arity|
+ module_eval(<<-End, __FILE__, __LINE__ + 1)
+ def on_#{id}(#{ ('a'..'z').to_a[0, arity].join(', ') })
+ #{arity == 0 ? 'nil' : 'a'}
+ end
+ End
+ end
+
+ # This method is called when weak warning is produced by the parser.
+ # _fmt_ and _args_ is printf style.
+ def warn(fmt, *args)
+ end
+
+ # This method is called when strong warning is produced by the parser.
+ # _fmt_ and _args_ is printf style.
+ def warning(fmt, *args)
+ end
+
+ # This method is called when the parser found syntax error.
+ def compile_error(msg)
+ end
+
+ #
+ # Scanner Events
+ #
+
+ SCANNER_EVENTS.each do |id|
+ module_eval(<<-End, __FILE__, __LINE__ + 1)
+ def on_#{id}(token)
+ token
+ end
+ End
+ end
+
+end