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Contents
#
# $Id: core.rb 36954 2012-09-12 23:04:41Z zzak $
#
# 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 the given Ruby program read from +src+.
# +src+ must be a String or an IO or a object with a #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
Version data entries
67 entries across 39 versions & 3 rubygems