# File racc/grammarfileparser.rb, line 298
def initialize(str, filename = '-')
@lines = str.b.split(/\n|\r\n|\r/)
@filename = filename
@lineno = -1
@line_head = true
@in_rule_blk = false
@in_conv_blk = false
@in_block = nil
@epilogue = ''
@debug = false
next_line
end