Sha256: 208738b6eadcbe44e1fb75f3c7b2b671a350f142983c81fde115275fcfbc6d25

Contents?: true

Size: 958 Bytes

Versions: 4

Compression:

Stored size: 958 Bytes

Contents

module Lrama
  class Grammar
    class ParameterizingRules
      class Builder
        # Builder for option of general parameterizing rules
        class Option < Base

          # program: option(number)
          #
          # =>
          #
          # program: option_number
          # option_number: ε
          # option_number: number
          def build
            validate_argument_number!

            rules = []
            @build_token = Lrama::Lexer::Token::Ident.new(s_value: "option_#{@token.s_value}")
            rules << Rule.new(id: @rule_counter.increment, _lhs: @build_token, _rhs: [], lhs_tag: @lhs_tag, token_code: @user_code, precedence_sym: @precedence_sym, lineno: @line)
            rules << Rule.new(id: @rule_counter.increment, _lhs: @build_token, _rhs: [@token], lhs_tag: @lhs_tag, token_code: @user_code, precedence_sym: @precedence_sym, lineno: @line)
            rules
          end
        end
      end
    end
  end
end

Version data entries

4 entries across 4 versions & 1 rubygems

Version Path
lrama-0.6.1 lib/lrama/grammar/parameterizing_rules/builder/option.rb
lrama-0.6.0 lib/lrama/grammar/parameterizing_rules/builder/option.rb
lrama-0.5.12 lib/lrama/grammar/parameterizing_rules/builder/option.rb
lrama-0.5.11 lib/lrama/grammar/parameterizing_rules/builder/option.rb