Method: EBNF::LL1::Lexer::Terminal#initialize

Defined in:
lib/ebnf/ll1/lexer.rb

#initialize(type, regexp, **options) ⇒ Terminal

Returns a new instance of Terminal.

Parameters:

  • type (Symbol, nil)
  • regexp (Regexp)
  • options (Hash{Symbol => Object})

Options Hash (**options):

  • :map (Hash{String => String}) — default: {} —

    A mapping from terminals, in lower-case form, to their canonical value

  • :unescape (Boolean) —

    Cause strings and codepoints to be unescaped.

  • :partial_regexp (Regexp) —

    A regular expression matching the beginning of this terminal; useful for terminals that match things longer than the scanner low water mark.



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# File 'lib/ebnf/ll1/lexer.rb', line 284

def initialize(type, regexp, **options)
  @type, @regexp, @options = type, regexp, options
  @partial_regexp = options[:partial_regexp]
  @map = options.fetch(:map, {})
end