class Treetop::Runtime::TerminalParseFailure

def expected_string
  "#{@expected_string} from #{@caller.map{|s| s.sub(/\A.*:([0-9]+):in `([^']*)'.*/,'\2:\1')}*" from "}\n\t"
end

def initialize(index, expected_string)
  @index = index
  @expected_string = expected_string
end

def initialize(index, expected_string)
  @index = index
  @caller = caller
  @expected_string = expected_string
end

def to_s
  "String matching #{expected_string} expected."
end

def to_s
  "String matching #{expected_string} expected."
end