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71 lines
1.6 KiB
Ruby
71 lines
1.6 KiB
Ruby
#
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# $Id: core.rb 25189 2009-10-02 12:04:37Z akr $
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#
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# Copyright (c) 2003-2005 Minero Aoki
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#
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# This program is free software.
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# You can distribute and/or modify this program under the Ruby License.
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# For details of Ruby License, see ruby/COPYING.
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#
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require File.dirname(__FILE__) + '/../ripper.bundle'
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class Ripper
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# Parses Ruby program read from _src_.
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# _src_ must be a String or a IO or a object which has #gets method.
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def Ripper.parse(src, filename = '(ripper)', lineno = 1)
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new(src, filename, lineno).parse
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end
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# This array contains name of parser events.
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PARSER_EVENTS = PARSER_EVENT_TABLE.keys
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# This array contains name of scanner events.
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SCANNER_EVENTS = SCANNER_EVENT_TABLE.keys
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# This array contains name of all ripper events.
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EVENTS = PARSER_EVENTS + SCANNER_EVENTS
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private
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#
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# Parser Events
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#
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PARSER_EVENT_TABLE.each do |id, arity|
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module_eval(<<-End, __FILE__, __LINE__ + 1)
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def on_#{id}(#{ ('a'..'z').to_a[0, arity].join(', ') })
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#{arity == 0 ? 'nil' : 'a'}
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end
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End
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end
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# This method is called when weak warning is produced by the parser.
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# _fmt_ and _args_ is printf style.
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def warn(fmt, *args)
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end
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# This method is called when strong warning is produced by the parser.
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# _fmt_ and _args_ is printf style.
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def warning(fmt, *args)
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end
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# This method is called when the parser found syntax error.
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def compile_error(msg)
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end
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#
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# Scanner Events
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#
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SCANNER_EVENTS.each do |id|
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module_eval(<<-End, __FILE__, __LINE__ + 1)
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def on_#{id}(token)
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token
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end
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End
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end
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end
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