Class: KPeg::FormatParser

Inherits:
Object
  • Object
show all
Defined in:
lib/kpeg/format_parser.rb

Defined Under Namespace

Classes: KpegPosInfo, MemoEntry, ParseError, RuleInfo

Constant Summary collapse

Rules = 
{}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(str, debug = false) ⇒ FormatParser

Creates a new kpeg format parser for str.



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# File 'lib/kpeg/format_parser.rb', line 389

def initialize(str, debug=false)
  setup_parser(str, debug)
  @g = KPeg::Grammar.new
end

Instance Attribute Details

#failed_rule ⇒ Object (readonly)

Returns the value of attribute failed_rule.



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# File 'lib/kpeg/format_parser.rb', line 182

def failed_rule
  @failed_rule
end

#failing_rule_offset ⇒ Object (readonly)

Returns the value of attribute failing_rule_offset.



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# File 'lib/kpeg/format_parser.rb', line 19

def failing_rule_offset
  @failing_rule_offset
end

#g ⇒ Object (readonly) Also known as: grammar

The parsed grammar



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# File 'lib/kpeg/format_parser.rb', line 397

def g
  @g
end

#pos ⇒ Object

Returns the value of attribute pos.



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# File 'lib/kpeg/format_parser.rb', line 20

def pos
  @pos
end

#result ⇒ Object

Returns the value of attribute result.



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# File 'lib/kpeg/format_parser.rb', line 20

def result
  @result
end

#string ⇒ Object (readonly)

Returns the value of attribute string.



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# File 'lib/kpeg/format_parser.rb', line 18

def string
  @string
end

Class Method Details

.rule_info(name, rendered) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 377

def self.rule_info(name, rendered)
  RuleInfo.new(name, rendered)
end

Instance Method Details

#__hyphen_ ⇒ Object

  • (space | comment)*



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# File 'lib/kpeg/format_parser.rb', line 523

def __hyphen_
  while true

    _save1 = self.pos
    while true # choice
      _tmp = apply(:_space)
      break if _tmp
      self.pos = _save1
      _tmp = apply(:_comment)
      break if _tmp
      self.pos = _save1
      break
    end # end choice

    break unless _tmp
  end
  _tmp = true
  set_failed_rule :__hyphen_ unless _tmp
  return _tmp
end

#_args ⇒ Object

args = (args:a “,” - var:n - { a + [n] } | - var:n - { [n] })



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# File 'lib/kpeg/format_parser.rb', line 2431

def _args

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = apply(:_args)
      a = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string(",")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_var)
      n = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  a + [n] ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:_var)
      n = @result
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  [n] ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_args unless _tmp
  return _tmp
end

#_ast_constant ⇒ Object

ast_constant = < /[A-Z]w*/ > { text }



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# File 'lib/kpeg/format_parser.rb', line 2950

def _ast_constant

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    _tmp = scan(/\G(?-mix:[A-Z]\w*)/)
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_ast_constant unless _tmp
  return _tmp
end

#_ast_root ⇒ Object

ast_root = (ast_constant:c “(” ast_words:w “)” { [c, w] } | ast_constant:c “()”? { [c, []] })



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# File 'lib/kpeg/format_parser.rb', line 3095

def _ast_root

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = apply(:_ast_constant)
      c = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string("(")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_ast_words)
      w = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string(")")
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  [c, w] ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = apply(:_ast_constant)
      c = @result
      unless _tmp
        self.pos = _save2
        break
      end
      _save3 = self.pos
      _tmp = match_string("()")
      unless _tmp
        _tmp = true
        self.pos = _save3
      end
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  [c, []] ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_ast_root unless _tmp
  return _tmp
end

#_ast_sp ⇒ Object

ast_sp = (“ ” | “t”)*



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# File 'lib/kpeg/format_parser.rb', line 3002

def _ast_sp
  while true

    _save1 = self.pos
    while true # choice
      _tmp = match_string(" ")
      break if _tmp
      self.pos = _save1
      _tmp = match_string("\t")
      break if _tmp
      self.pos = _save1
      break
    end # end choice

    break unless _tmp
  end
  _tmp = true
  set_failed_rule :_ast_sp unless _tmp
  return _tmp
end

#_ast_word ⇒ Object

ast_word = < /[a-z_]w*/i > { text }



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# File 'lib/kpeg/format_parser.rb', line 2976

def _ast_word

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    _tmp = scan(/\G(?i-mx:[a-z_]\w*)/)
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_ast_word unless _tmp
  return _tmp
end

#_ast_words ⇒ Object

ast_words = (ast_words:r ast_sp “,” ast_sp ast_word:w { r + [w] } | ast_word:w { [w] })



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# File 'lib/kpeg/format_parser.rb', line 3024

def _ast_words

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = apply(:_ast_words)
      r = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_ast_sp)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string(",")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_ast_sp)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_ast_word)
      w = @result
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  r + [w] ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = apply(:_ast_word)
      w = @result
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  [w] ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_ast_words unless _tmp
  return _tmp
end

#_char ⇒ Object

char = < /[a-zd]/i > { text }



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# File 'lib/kpeg/format_parser.rb', line 1299

def _char

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    _tmp = scan(/\G(?i-mx:[a-z\d])/)
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_char unless _tmp
  return _tmp
end

#_char_range ⇒ Object

char_range = “[” char:l “-” char:r “]” { @g.range(l,r) }



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# File 'lib/kpeg/format_parser.rb', line 1325

def _char_range

  _save = self.pos
  while true # sequence
    _tmp = match_string("[")
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_char)
    l = @result
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = match_string("-")
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_char)
    r = @result
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = match_string("]")
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  @g.range(l,r) ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_char_range unless _tmp
  return _tmp
end

#_choose_cont ⇒ Object

choose_cont = - “|” - values:v { v }



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# File 'lib/kpeg/format_parser.rb', line 2339

def _choose_cont

  _save = self.pos
  while true # sequence
    _tmp = apply(:__hyphen_)
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = match_string("|")
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:__hyphen_)
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_values)
    v = @result
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  v ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_choose_cont unless _tmp
  return _tmp
end

#_comment ⇒ Object

comment = “#” (!eol .)* eol



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# File 'lib/kpeg/format_parser.rb', line 455

def _comment

  _save = self.pos
  while true # sequence
    _tmp = match_string("#")
    unless _tmp
      self.pos = _save
      break
    end
    while true

      _save2 = self.pos
      while true # sequence
        _save3 = self.pos
        _tmp = apply(:_eol)
        _tmp = _tmp ? nil : true
        self.pos = _save3
        unless _tmp
          self.pos = _save2
          break
        end
        _tmp = get_byte
        unless _tmp
          self.pos = _save2
        end
        break
      end # end sequence

      break unless _tmp
    end
    _tmp = true
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_eol)
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_comment unless _tmp
  return _tmp
end

#_curly ⇒ Object

curly = “< (spaces | /[^{“‘]+/ | string | curly)* > ”}“ { @g.action(text) }



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# File 'lib/kpeg/format_parser.rb', line 1550

def _curly

  _save = self.pos
  while true # sequence
    _tmp = match_string("{")
    unless _tmp
      self.pos = _save
      break
    end
    _text_start = self.pos
    while true

      _save2 = self.pos
      while true # choice
        _tmp = apply(:_spaces)
        break if _tmp
        self.pos = _save2
        _tmp = scan(/\G(?-mix:[^{}"']+)/)
        break if _tmp
        self.pos = _save2
        _tmp = apply(:_string)
        break if _tmp
        self.pos = _save2
        _tmp = apply(:_curly)
        break if _tmp
        self.pos = _save2
        break
      end # end choice

      break unless _tmp
    end
    _tmp = true
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = match_string("}")
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  @g.action(text) ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_curly unless _tmp
  return _tmp
end

#_curly_block ⇒ Object

curly_block = curly



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# File 'lib/kpeg/format_parser.rb', line 1543

def _curly_block
  _tmp = apply(:_curly)
  set_failed_rule :_curly_block unless _tmp
  return _tmp
end

#_dbl_escapes ⇒ Object

dbl_escapes = (“n” { “n” } | “s” { “ ” } | “r” { “r” } | “t” { “t” } | “v” { “v” } | “f” { “f” } | “b” { “b” } | “a” { “a” } | “e” { “e” } | “\” { “\” } | “"” { “"” } | num_escapes | < . > { text })



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# File 'lib/kpeg/format_parser.rb', line 615

def _dbl_escapes

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = match_string("n")
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  "\n" ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = match_string("s")
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  " " ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save3 = self.pos
    while true # sequence
      _tmp = match_string("r")
      unless _tmp
        self.pos = _save3
        break
      end
      @result = begin;  "\r" ; end
      _tmp = true
      unless _tmp
        self.pos = _save3
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save4 = self.pos
    while true # sequence
      _tmp = match_string("t")
      unless _tmp
        self.pos = _save4
        break
      end
      @result = begin;  "\t" ; end
      _tmp = true
      unless _tmp
        self.pos = _save4
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save5 = self.pos
    while true # sequence
      _tmp = match_string("v")
      unless _tmp
        self.pos = _save5
        break
      end
      @result = begin;  "\v" ; end
      _tmp = true
      unless _tmp
        self.pos = _save5
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save6 = self.pos
    while true # sequence
      _tmp = match_string("f")
      unless _tmp
        self.pos = _save6
        break
      end
      @result = begin;  "\f" ; end
      _tmp = true
      unless _tmp
        self.pos = _save6
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save7 = self.pos
    while true # sequence
      _tmp = match_string("b")
      unless _tmp
        self.pos = _save7
        break
      end
      @result = begin;  "\b" ; end
      _tmp = true
      unless _tmp
        self.pos = _save7
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save8 = self.pos
    while true # sequence
      _tmp = match_string("a")
      unless _tmp
        self.pos = _save8
        break
      end
      @result = begin;  "\a" ; end
      _tmp = true
      unless _tmp
        self.pos = _save8
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save9 = self.pos
    while true # sequence
      _tmp = match_string("e")
      unless _tmp
        self.pos = _save9
        break
      end
      @result = begin;  "\e" ; end
      _tmp = true
      unless _tmp
        self.pos = _save9
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save10 = self.pos
    while true # sequence
      _tmp = match_string("\\")
      unless _tmp
        self.pos = _save10
        break
      end
      @result = begin;  "\\" ; end
      _tmp = true
      unless _tmp
        self.pos = _save10
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save11 = self.pos
    while true # sequence
      _tmp = match_string("\"")
      unless _tmp
        self.pos = _save11
        break
      end
      @result = begin;  "\"" ; end
      _tmp = true
      unless _tmp
        self.pos = _save11
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    _tmp = apply(:_num_escapes)
    break if _tmp
    self.pos = _save

    _save12 = self.pos
    while true # sequence
      _text_start = self.pos
      _tmp = get_byte
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save12
        break
      end
      @result = begin;  text ; end
      _tmp = true
      unless _tmp
        self.pos = _save12
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_dbl_escapes unless _tmp
  return _tmp
end

#_dbl_not_quote ⇒ Object

dbl_not_quote = (“\” dbl_escapes | dbl_seq)*:ary { Array(ary) }



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# File 'lib/kpeg/format_parser.rb', line 937

def _dbl_not_quote

  _save = self.pos
  while true # sequence
    _ary = []
    while true

      _save2 = self.pos
      while true # choice

        _save3 = self.pos
        while true # sequence
          _tmp = match_string("\\")
          unless _tmp
            self.pos = _save3
            break
          end
          _tmp = apply(:_dbl_escapes)
          unless _tmp
            self.pos = _save3
          end
          break
        end # end sequence

        break if _tmp
        self.pos = _save2
        _tmp = apply(:_dbl_seq)
        break if _tmp
        self.pos = _save2
        break
      end # end choice

      _ary << @result if _tmp
      break unless _tmp
    end
    _tmp = true
    @result = _ary
    ary = @result
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  Array(ary) ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_dbl_not_quote unless _tmp
  return _tmp
end

#_dbl_seq ⇒ Object

dbl_seq = < /[^\“]+/ > { text }



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# File 'lib/kpeg/format_parser.rb', line 911

def _dbl_seq

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    _tmp = scan(/\G(?-mix:[^\\"]+)/)
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_dbl_seq unless _tmp
  return _tmp
end

#_dbl_string ⇒ Object

dbl_string = “"” dbl_not_quote:s “"” { @g.str(s.join) }



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# File 'lib/kpeg/format_parser.rb', line 992

def _dbl_string

  _save = self.pos
  while true # sequence
    _tmp = match_string("\"")
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_dbl_not_quote)
    s = @result
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = match_string("\"")
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  @g.str(s.join) ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_dbl_string unless _tmp
  return _tmp
end

#_eof ⇒ Object

eof = !.



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# File 'lib/kpeg/format_parser.rb', line 2904

def _eof
  _save = self.pos
  _tmp = get_byte
  _tmp = _tmp ? nil : true
  self.pos = _save
  set_failed_rule :_eof unless _tmp
  return _tmp
end

#_eof_comment ⇒ Object

eof_comment = “#” (!eof .)*



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# File 'lib/kpeg/format_parser.rb', line 413

def _eof_comment

  _save = self.pos
  while true # sequence
    _tmp = match_string("#")
    unless _tmp
      self.pos = _save
      break
    end
    while true

      _save2 = self.pos
      while true # sequence
        _save3 = self.pos
        _tmp = apply(:_eof)
        _tmp = _tmp ? nil : true
        self.pos = _save3
        unless _tmp
          self.pos = _save2
          break
        end
        _tmp = get_byte
        unless _tmp
          self.pos = _save2
        end
        break
      end # end sequence

      break unless _tmp
    end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_eof_comment unless _tmp
  return _tmp
end

#_eol ⇒ Object

eol = “n”



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# File 'lib/kpeg/format_parser.rb', line 406

def _eol
  _tmp = match_string("\n")
  set_failed_rule :_eol unless _tmp
  return _tmp
end

#_expression ⇒ Object

expression = (values:v choose_cont+:alts { @g.any(v, *alts) } | values)



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# File 'lib/kpeg/format_parser.rb', line 2377

def _expression

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = apply(:_values)
      v = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _save2 = self.pos
      _ary = []
      _tmp = apply(:_choose_cont)
      if _tmp
        _ary << @result
        while true
          _tmp = apply(:_choose_cont)
          _ary << @result if _tmp
          break unless _tmp
        end
        _tmp = true
        @result = _ary
      else
        self.pos = _save2
      end
      alts = @result
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  @g.any(v, *alts) ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    _tmp = apply(:_values)
    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_expression unless _tmp
  return _tmp
end

#_kleene ⇒ Object

kleene = “*”



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# File 'lib/kpeg/format_parser.rb', line 545

def _kleene
  _tmp = match_string("*")
  set_failed_rule :_kleene unless _tmp
  return _tmp
end

#_method ⇒ Object

method = < /[a-z_]w*/i > { text }



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# File 'lib/kpeg/format_parser.rb', line 589

def _method

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    _tmp = scan(/\G(?i-mx:[a-z_]\w*)/)
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_method unless _tmp
  return _tmp
end

#_mult_range ⇒ Object

mult_range = (“[” - range_elem:l - “,” - range_elem:r - “]” { [l == “*” ? nil : l.to_i, r == “*” ? nil : r.to_i] } | “[” - range_num:e - “]” { [e.to_i, e.to_i] })



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# File 'lib/kpeg/format_parser.rb', line 1432

def _mult_range

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = match_string("[")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_range_elem)
      l = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string(",")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_range_elem)
      r = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string("]")
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  [l == "*" ? nil : l.to_i, r == "*" ? nil : r.to_i] ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = match_string("[")
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:_range_num)
      e = @result
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = match_string("]")
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  [e.to_i, e.to_i] ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_mult_range unless _tmp
  return _tmp
end

#_nested_paren ⇒ Object

nested_paren = “(” (/[^()“‘]+/ | string | nested_paren)* ”)“



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# File 'lib/kpeg/format_parser.rb', line 1607

def _nested_paren

  _save = self.pos
  while true # sequence
    _tmp = match_string("(")
    unless _tmp
      self.pos = _save
      break
    end
    while true

      _save2 = self.pos
      while true # choice
        _tmp = scan(/\G(?-mix:[^()"']+)/)
        break if _tmp
        self.pos = _save2
        _tmp = apply(:_string)
        break if _tmp
        self.pos = _save2
        _tmp = apply(:_nested_paren)
        break if _tmp
        self.pos = _save2
        break
      end # end choice

      break unless _tmp
    end
    _tmp = true
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = match_string(")")
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_nested_paren unless _tmp
  return _tmp
end

#_not_slash ⇒ Object

not_slash = < (“\/” | /[^/]/)+ > { text }



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# File 'lib/kpeg/format_parser.rb', line 1165

def _not_slash

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    _save1 = self.pos

    _save2 = self.pos
    while true # choice
      _tmp = match_string("\\/")
      break if _tmp
      self.pos = _save2
      _tmp = scan(/\G(?-mix:[^\/])/)
      break if _tmp
      self.pos = _save2
      break
    end # end choice

    if _tmp
      while true

        _save3 = self.pos
        while true # choice
          _tmp = match_string("\\/")
          break if _tmp
          self.pos = _save3
          _tmp = scan(/\G(?-mix:[^\/])/)
          break if _tmp
          self.pos = _save3
          break
        end # end choice

        break unless _tmp
      end
      _tmp = true
    else
      self.pos = _save1
    end
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_not_slash unless _tmp
  return _tmp
end

#_num_escapes ⇒ Object

num_escapes = (< /[0-7]1,3/ > { [text.to_i(8)].pack(“U”) } | “x” < /[a-fd]2/i > { [text.to_i(16)].pack(“U”) })



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# File 'lib/kpeg/format_parser.rb', line 850

def _num_escapes

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _text_start = self.pos
      _tmp = scan(/\G(?-mix:[0-7]{1,3})/)
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  [text.to_i(8)].pack("U") ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = match_string("x")
      unless _tmp
        self.pos = _save2
        break
      end
      _text_start = self.pos
      _tmp = scan(/\G(?i-mx:[a-f\d]{2})/)
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  [text.to_i(16)].pack("U") ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_num_escapes unless _tmp
  return _tmp
end

#_range_elem ⇒ Object

range_elem = < (range_num | kleene) > { text }



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# File 'lib/kpeg/format_parser.rb', line 1395

def _range_elem

  _save = self.pos
  while true # sequence
    _text_start = self.pos

    _save1 = self.pos
    while true # choice
      _tmp = apply(:_range_num)
      break if _tmp
      self.pos = _save1
      _tmp = apply(:_kleene)
      break if _tmp
      self.pos = _save1
      break
    end # end choice

    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_range_elem unless _tmp
  return _tmp
end

#_range_num ⇒ Object

range_num = < /[1-9]d*/ > { text }



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# File 'lib/kpeg/format_parser.rb', line 1369

def _range_num

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    _tmp = scan(/\G(?-mix:[1-9]\d*)/)
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_range_num unless _tmp
  return _tmp
end

#_regexp ⇒ Object

regexp = “/” not_slash:body “/” regexp_opts:opts { @g.reg body, opts }



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# File 'lib/kpeg/format_parser.rb', line 1260

def _regexp

  _save = self.pos
  while true # sequence
    _tmp = match_string("/")
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_not_slash)
    body = @result
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = match_string("/")
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_regexp_opts)
    opts = @result
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  @g.reg body, opts ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_regexp unless _tmp
  return _tmp
end

#_regexp_opts ⇒ Object

regexp_opts = < [a-z]* > { text }



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# File 'lib/kpeg/format_parser.rb', line 1223

def _regexp_opts

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    while true
      _save2 = self.pos
      _tmp = get_byte
      if _tmp
        unless _tmp >= 97 and _tmp <= 122
          self.pos = _save2
          _tmp = nil
        end
      end
      break unless _tmp
    end
    _tmp = true
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_regexp_opts unless _tmp
  return _tmp
end

#_root ⇒ Object

root = statements - eof_comment? eof



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# File 'lib/kpeg/format_parser.rb', line 2914

def _root

  _save = self.pos
  while true # sequence
    _tmp = apply(:_statements)
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:__hyphen_)
    unless _tmp
      self.pos = _save
      break
    end
    _save1 = self.pos
    _tmp = apply(:_eof_comment)
    unless _tmp
      _tmp = true
      self.pos = _save1
    end
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_eof)
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_root unless _tmp
  return _tmp
end

#_sgl_escape_quote ⇒ Object

sgl_escape_quote = “\‘” { “’” }



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# File 'lib/kpeg/format_parser.rb', line 1025

def _sgl_escape_quote

  _save = self.pos
  while true # sequence
    _tmp = match_string("\\'")
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  "'" ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_sgl_escape_quote unless _tmp
  return _tmp
end

#_sgl_not_quote ⇒ Object

sgl_not_quote = (sgl_escape_quote | sgl_seq)*:segs { Array(segs) }



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# File 'lib/kpeg/format_parser.rb', line 1073

def _sgl_not_quote

  _save = self.pos
  while true # sequence
    _ary = []
    while true

      _save2 = self.pos
      while true # choice
        _tmp = apply(:_sgl_escape_quote)
        break if _tmp
        self.pos = _save2
        _tmp = apply(:_sgl_seq)
        break if _tmp
        self.pos = _save2
        break
      end # end choice

      _ary << @result if _tmp
      break unless _tmp
    end
    _tmp = true
    @result = _ary
    segs = @result
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  Array(segs) ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_sgl_not_quote unless _tmp
  return _tmp
end

#_sgl_seq ⇒ Object

sgl_seq = < /[^‘]/ > { text }



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# File 'lib/kpeg/format_parser.rb', line 1047

def _sgl_seq

  _save = self.pos
  while true # sequence
    _text_start = self.pos
    _tmp = scan(/\G(?-mix:[^'])/)
    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_sgl_seq unless _tmp
  return _tmp
end

#_sgl_string ⇒ Object

sgl_string = “‘” sgl_not_quote:s “’” { @g.str(s.join) }



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# File 'lib/kpeg/format_parser.rb', line 1114

def _sgl_string

  _save = self.pos
  while true # sequence
    _tmp = match_string("'")
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = apply(:_sgl_not_quote)
    s = @result
    unless _tmp
      self.pos = _save
      break
    end
    _tmp = match_string("'")
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  @g.str(s.join) ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_sgl_string unless _tmp
  return _tmp
end

#_space ⇒ Object

space = (“ ” | “t” | eol)



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# File 'lib/kpeg/format_parser.rb', line 502

def _space

  _save = self.pos
  while true # choice
    _tmp = match_string(" ")
    break if _tmp
    self.pos = _save
    _tmp = match_string("\t")
    break if _tmp
    self.pos = _save
    _tmp = apply(:_eol)
    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_space unless _tmp
  return _tmp
end

#_spaces ⇒ Object

spaces = (space | comment)+



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# File 'lib/kpeg/format_parser.rb', line 2225

def _spaces
  _save = self.pos

  _save1 = self.pos
  while true # choice
    _tmp = apply(:_space)
    break if _tmp
    self.pos = _save1
    _tmp = apply(:_comment)
    break if _tmp
    self.pos = _save1
    break
  end # end choice

  if _tmp
    while true

      _save2 = self.pos
      while true # choice
        _tmp = apply(:_space)
        break if _tmp
        self.pos = _save2
        _tmp = apply(:_comment)
        break if _tmp
        self.pos = _save2
        break
      end # end choice

      break unless _tmp
    end
    _tmp = true
  else
    self.pos = _save
  end
  set_failed_rule :_spaces unless _tmp
  return _tmp
end

#_statement ⇒ Object

statement = (- var:v “(” args:a “)” - “=” - expression:o { @g.set(v, o, a) } | - var:v - “=” - expression:o { @g.set(v, o) } | - “%” var:name - “=” - < /[:w]+/ > { @g.add_foreign_grammar(name, text) } | - “%%” - curly:act { @g.add_setup act } | - “%%” - var:name - curly:act { @g.add_directive name, act } | - “%%” - var:name - “=” - < (!“n” .)+ > { @g.set_variable(name, text) })



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# File 'lib/kpeg/format_parser.rb', line 2512

def _statement

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_var)
      v = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string("(")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_args)
      a = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string(")")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string("=")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_expression)
      o = @result
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  @g.set(v, o, a) ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:_var)
      v = @result
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = match_string("=")
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:_expression)
      o = @result
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  @g.set(v, o) ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save3 = self.pos
    while true # sequence
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save3
        break
      end
      _tmp = match_string("%")
      unless _tmp
        self.pos = _save3
        break
      end
      _tmp = apply(:_var)
      name = @result
      unless _tmp
        self.pos = _save3
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save3
        break
      end
      _tmp = match_string("=")
      unless _tmp
        self.pos = _save3
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save3
        break
      end
      _text_start = self.pos
      _tmp = scan(/\G(?-mix:[:\w]+)/)
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save3
        break
      end
      @result = begin;  @g.add_foreign_grammar(name, text) ; end
      _tmp = true
      unless _tmp
        self.pos = _save3
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save4 = self.pos
    while true # sequence
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save4
        break
      end
      _tmp = match_string("%%")
      unless _tmp
        self.pos = _save4
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save4
        break
      end
      _tmp = apply(:_curly)
      act = @result
      unless _tmp
        self.pos = _save4
        break
      end
      @result = begin;  @g.add_setup act ; end
      _tmp = true
      unless _tmp
        self.pos = _save4
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save5 = self.pos
    while true # sequence
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save5
        break
      end
      _tmp = match_string("%%")
      unless _tmp
        self.pos = _save5
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save5
        break
      end
      _tmp = apply(:_var)
      name = @result
      unless _tmp
        self.pos = _save5
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save5
        break
      end
      _tmp = apply(:_curly)
      act = @result
      unless _tmp
        self.pos = _save5
        break
      end
      @result = begin;  @g.add_directive name, act ; end
      _tmp = true
      unless _tmp
        self.pos = _save5
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save6 = self.pos
    while true # sequence
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save6
        break
      end
      _tmp = match_string("%%")
      unless _tmp
        self.pos = _save6
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save6
        break
      end
      _tmp = apply(:_var)
      name = @result
      unless _tmp
        self.pos = _save6
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save6
        break
      end
      _tmp = match_string("=")
      unless _tmp
        self.pos = _save6
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save6
        break
      end
      _text_start = self.pos
      _save7 = self.pos

      _save8 = self.pos
      while true # sequence
        _save9 = self.pos
        _tmp = match_string("\n")
        _tmp = _tmp ? nil : true
        self.pos = _save9
        unless _tmp
          self.pos = _save8
          break
        end
        _tmp = get_byte
        unless _tmp
          self.pos = _save8
        end
        break
      end # end sequence

      if _tmp
        while true

          _save10 = self.pos
          while true # sequence
            _save11 = self.pos
            _tmp = match_string("\n")
            _tmp = _tmp ? nil : true
            self.pos = _save11
            unless _tmp
              self.pos = _save10
              break
            end
            _tmp = get_byte
            unless _tmp
              self.pos = _save10
            end
            break
          end # end sequence

          break unless _tmp
        end
        _tmp = true
      else
        self.pos = _save7
      end
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save6
        break
      end
      @result = begin;  @g.set_variable(name, text) ; end
      _tmp = true
      unless _tmp
        self.pos = _save6
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_statement unless _tmp
  return _tmp
end

#_statements ⇒ Object

statements = statement (- statements)?



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# File 'lib/kpeg/format_parser.rb', line 2864

def _statements

  _save = self.pos
  while true # sequence
    _tmp = apply(:_statement)
    unless _tmp
      self.pos = _save
      break
    end
    _save1 = self.pos

    _save2 = self.pos
    while true # sequence
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:_statements)
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    unless _tmp
      _tmp = true
      self.pos = _save1
    end
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_statements unless _tmp
  return _tmp
end

#_string ⇒ Object

string = (dbl_string | sgl_string)



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# File 'lib/kpeg/format_parser.rb', line 1147

def _string

  _save = self.pos
  while true # choice
    _tmp = apply(:_dbl_string)
    break if _tmp
    self.pos = _save
    _tmp = apply(:_sgl_string)
    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_string unless _tmp
  return _tmp
end

#_value ⇒ Object

value = (value:v “:” var:n { @g.t(v,n) } | value:v “?” { @g.maybe(v) } | value:v “+” { @g.many(v) } | value:v “*” { @g.kleene(v) } | value:v mult_range:r { @g.multiple(v, *r) } | “&” value:v { @g.andp(v) } | “!” value:v { @g.notp(v) } | “(” - expression:o - “)” { o } | “@<” - expression:o - “>” { @g.bounds(o) } | “<” - expression:o - “>” { @g.collect(o) } | curly_block | “~” method:m < nested_paren? > { @g.action(“#m#text”) } | “.” { @g.dot } | “@” var:name < nested_paren? > !(- “=”) { @g.invoke(name, text.empty? ? nil : text) } | “^” var:name < nested_paren? > { @g.foreign_invoke(“parent”, name, text) } | “%” var:gram “.” var:name < nested_paren? > { @g.foreign_invoke(gram, name, text) } | var:name < nested_paren? > !(- “=”) { @g.ref(name, nil, text.empty? ? nil : text) } | char_range | regexp | string)



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# File 'lib/kpeg/format_parser.rb', line 1651

def _value

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = apply(:_value)
      v = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = match_string(":")
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_var)
      n = @result
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  @g.t(v,n) ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = apply(:_value)
      v = @result
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = match_string("?")
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  @g.maybe(v) ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save3 = self.pos
    while true # sequence
      _tmp = apply(:_value)
      v = @result
      unless _tmp
        self.pos = _save3
        break
      end
      _tmp = match_string("+")
      unless _tmp
        self.pos = _save3
        break
      end
      @result = begin;  @g.many(v) ; end
      _tmp = true
      unless _tmp
        self.pos = _save3
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save4 = self.pos
    while true # sequence
      _tmp = apply(:_value)
      v = @result
      unless _tmp
        self.pos = _save4
        break
      end
      _tmp = match_string("*")
      unless _tmp
        self.pos = _save4
        break
      end
      @result = begin;  @g.kleene(v) ; end
      _tmp = true
      unless _tmp
        self.pos = _save4
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save5 = self.pos
    while true # sequence
      _tmp = apply(:_value)
      v = @result
      unless _tmp
        self.pos = _save5
        break
      end
      _tmp = apply(:_mult_range)
      r = @result
      unless _tmp
        self.pos = _save5
        break
      end
      @result = begin;  @g.multiple(v, *r) ; end
      _tmp = true
      unless _tmp
        self.pos = _save5
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save6 = self.pos
    while true # sequence
      _tmp = match_string("&")
      unless _tmp
        self.pos = _save6
        break
      end
      _tmp = apply(:_value)
      v = @result
      unless _tmp
        self.pos = _save6
        break
      end
      @result = begin;  @g.andp(v) ; end
      _tmp = true
      unless _tmp
        self.pos = _save6
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save7 = self.pos
    while true # sequence
      _tmp = match_string("!")
      unless _tmp
        self.pos = _save7
        break
      end
      _tmp = apply(:_value)
      v = @result
      unless _tmp
        self.pos = _save7
        break
      end
      @result = begin;  @g.notp(v) ; end
      _tmp = true
      unless _tmp
        self.pos = _save7
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save8 = self.pos
    while true # sequence
      _tmp = match_string("(")
      unless _tmp
        self.pos = _save8
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save8
        break
      end
      _tmp = apply(:_expression)
      o = @result
      unless _tmp
        self.pos = _save8
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save8
        break
      end
      _tmp = match_string(")")
      unless _tmp
        self.pos = _save8
        break
      end
      @result = begin;  o ; end
      _tmp = true
      unless _tmp
        self.pos = _save8
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save9 = self.pos
    while true # sequence
      _tmp = match_string("@<")
      unless _tmp
        self.pos = _save9
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save9
        break
      end
      _tmp = apply(:_expression)
      o = @result
      unless _tmp
        self.pos = _save9
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save9
        break
      end
      _tmp = match_string(">")
      unless _tmp
        self.pos = _save9
        break
      end
      @result = begin;  @g.bounds(o) ; end
      _tmp = true
      unless _tmp
        self.pos = _save9
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save10 = self.pos
    while true # sequence
      _tmp = match_string("<")
      unless _tmp
        self.pos = _save10
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save10
        break
      end
      _tmp = apply(:_expression)
      o = @result
      unless _tmp
        self.pos = _save10
        break
      end
      _tmp = apply(:__hyphen_)
      unless _tmp
        self.pos = _save10
        break
      end
      _tmp = match_string(">")
      unless _tmp
        self.pos = _save10
        break
      end
      @result = begin;  @g.collect(o) ; end
      _tmp = true
      unless _tmp
        self.pos = _save10
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    _tmp = apply(:_curly_block)
    break if _tmp
    self.pos = _save

    _save11 = self.pos
    while true # sequence
      _tmp = match_string("~")
      unless _tmp
        self.pos = _save11
        break
      end
      _tmp = apply(:_method)
      m = @result
      unless _tmp
        self.pos = _save11
        break
      end
      _text_start = self.pos
      _save12 = self.pos
      _tmp = apply(:_nested_paren)
      unless _tmp
        _tmp = true
        self.pos = _save12
      end
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save11
        break
      end
      @result = begin;  @g.action("#{m}#{text}") ; end
      _tmp = true
      unless _tmp
        self.pos = _save11
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save13 = self.pos
    while true # sequence
      _tmp = match_string(".")
      unless _tmp
        self.pos = _save13
        break
      end
      @result = begin;  @g.dot ; end
      _tmp = true
      unless _tmp
        self.pos = _save13
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save14 = self.pos
    while true # sequence
      _tmp = match_string("@")
      unless _tmp
        self.pos = _save14
        break
      end
      _tmp = apply(:_var)
      name = @result
      unless _tmp
        self.pos = _save14
        break
      end
      _text_start = self.pos
      _save15 = self.pos
      _tmp = apply(:_nested_paren)
      unless _tmp
        _tmp = true
        self.pos = _save15
      end
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save14
        break
      end
      _save16 = self.pos

      _save17 = self.pos
      while true # sequence
        _tmp = apply(:__hyphen_)
        unless _tmp
          self.pos = _save17
          break
        end
        _tmp = match_string("=")
        unless _tmp
          self.pos = _save17
        end
        break
      end # end sequence

      _tmp = _tmp ? nil : true
      self.pos = _save16
      unless _tmp
        self.pos = _save14
        break
      end
      @result = begin;  @g.invoke(name, text.empty? ? nil : text) ; end
      _tmp = true
      unless _tmp
        self.pos = _save14
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save18 = self.pos
    while true # sequence
      _tmp = match_string("^")
      unless _tmp
        self.pos = _save18
        break
      end
      _tmp = apply(:_var)
      name = @result
      unless _tmp
        self.pos = _save18
        break
      end
      _text_start = self.pos
      _save19 = self.pos
      _tmp = apply(:_nested_paren)
      unless _tmp
        _tmp = true
        self.pos = _save19
      end
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save18
        break
      end
      @result = begin;  @g.foreign_invoke("parent", name, text) ; end
      _tmp = true
      unless _tmp
        self.pos = _save18
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save20 = self.pos
    while true # sequence
      _tmp = match_string("%")
      unless _tmp
        self.pos = _save20
        break
      end
      _tmp = apply(:_var)
      gram = @result
      unless _tmp
        self.pos = _save20
        break
      end
      _tmp = match_string(".")
      unless _tmp
        self.pos = _save20
        break
      end
      _tmp = apply(:_var)
      name = @result
      unless _tmp
        self.pos = _save20
        break
      end
      _text_start = self.pos
      _save21 = self.pos
      _tmp = apply(:_nested_paren)
      unless _tmp
        _tmp = true
        self.pos = _save21
      end
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save20
        break
      end
      @result = begin;  @g.foreign_invoke(gram, name, text) ; end
      _tmp = true
      unless _tmp
        self.pos = _save20
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save22 = self.pos
    while true # sequence
      _tmp = apply(:_var)
      name = @result
      unless _tmp
        self.pos = _save22
        break
      end
      _text_start = self.pos
      _save23 = self.pos
      _tmp = apply(:_nested_paren)
      unless _tmp
        _tmp = true
        self.pos = _save23
      end
      if _tmp
        text = get_text(_text_start)
      end
      unless _tmp
        self.pos = _save22
        break
      end
      _save24 = self.pos

      _save25 = self.pos
      while true # sequence
        _tmp = apply(:__hyphen_)
        unless _tmp
          self.pos = _save25
          break
        end
        _tmp = match_string("=")
        unless _tmp
          self.pos = _save25
        end
        break
      end # end sequence

      _tmp = _tmp ? nil : true
      self.pos = _save24
      unless _tmp
        self.pos = _save22
        break
      end
      @result = begin;  @g.ref(name, nil, text.empty? ? nil : text) ; end
      _tmp = true
      unless _tmp
        self.pos = _save22
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    _tmp = apply(:_char_range)
    break if _tmp
    self.pos = _save
    _tmp = apply(:_regexp)
    break if _tmp
    self.pos = _save
    _tmp = apply(:_string)
    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_value unless _tmp
  return _tmp
end

#_values ⇒ Object

values = (values:s spaces value:v { @g.seq(s, v) } | value:l spaces value:r { @g.seq(l, r) } | value)



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# File 'lib/kpeg/format_parser.rb', line 2264

def _values

  _save = self.pos
  while true # choice

    _save1 = self.pos
    while true # sequence
      _tmp = apply(:_values)
      s = @result
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_spaces)
      unless _tmp
        self.pos = _save1
        break
      end
      _tmp = apply(:_value)
      v = @result
      unless _tmp
        self.pos = _save1
        break
      end
      @result = begin;  @g.seq(s, v) ; end
      _tmp = true
      unless _tmp
        self.pos = _save1
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save

    _save2 = self.pos
    while true # sequence
      _tmp = apply(:_value)
      l = @result
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:_spaces)
      unless _tmp
        self.pos = _save2
        break
      end
      _tmp = apply(:_value)
      r = @result
      unless _tmp
        self.pos = _save2
        break
      end
      @result = begin;  @g.seq(l, r) ; end
      _tmp = true
      unless _tmp
        self.pos = _save2
      end
      break
    end # end sequence

    break if _tmp
    self.pos = _save
    _tmp = apply(:_value)
    break if _tmp
    self.pos = _save
    break
  end # end choice

  set_failed_rule :_values unless _tmp
  return _tmp
end

#_var ⇒ Object

var = < (“-” | /[a-z]*/i) > { text }



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# File 'lib/kpeg/format_parser.rb', line 552

def _var

  _save = self.pos
  while true # sequence
    _text_start = self.pos

    _save1 = self.pos
    while true # choice
      _tmp = match_string("-")
      break if _tmp
      self.pos = _save1
      _tmp = scan(/\G(?i-mx:[a-z][\w-]*)/)
      break if _tmp
      self.pos = _save1
      break
    end # end choice

    if _tmp
      text = get_text(_text_start)
    end
    unless _tmp
      self.pos = _save
      break
    end
    @result = begin;  text ; end
    _tmp = true
    unless _tmp
      self.pos = _save
    end
    break
  end # end sequence

  set_failed_rule :_var unless _tmp
  return _tmp
end

#apply(rule) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 313

def apply(rule)
  @result = nil
  if m = @memoizations[rule][@pos]
    @pos = m.pos
    if !m.set
      m.left_rec = true
      return nil
    end

    @result = m.result

    return m.ans
  else
    m = MemoEntry.new(nil, @pos)
    @memoizations[rule][@pos] = m
    start_pos = @pos

    ans = __send__ rule

    lr = m.left_rec

    m.move! ans, @pos, @result

    # Don't bother trying to grow the left recursion
    # if it's failing straight away (thus there is no seed)
    if ans and lr
      return grow_lr(rule, nil, start_pos, m)
    else
      return ans
    end
  end
end

#apply_with_args(rule, *args) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 279

def apply_with_args(rule, *args)
  @result = nil
  memo_key = [rule, args]
  if m = @memoizations[memo_key][@pos]
    @pos = m.pos
    if !m.set
      m.left_rec = true
      return nil
    end

    @result = m.result

    return m.ans
  else
    m = MemoEntry.new(nil, @pos)
    @memoizations[memo_key][@pos] = m
    start_pos = @pos

    ans = __send__ rule, *args

    lr = m.left_rec

    m.move! ans, @pos, @result

    # Don't bother trying to grow the left recursion
    # if it's failing straight away (thus there is no seed)
    if ans and lr
      return grow_lr(rule, args, start_pos, m)
    else
      return ans
    end
  end
end

#current_character(target = pos) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 61

def current_character(target=pos)
  if target < 0 || target >= string.size
    raise "Target position #{target} is outside of string"
  end
  string[target, 1]
end

#current_column(target = pos) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 22

def current_column(target=pos)
  if string[target] == "\n" && (c = string.rindex("\n", target-1) || -1)
    return target - c
  elsif c = string.rindex("\n", target)
    return target - c
  end

  target + 1
end

#current_line(target = pos) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 45

def current_line(target=pos)
  if line = position_line_offsets.bsearch_index {|x| x > target }
    return line + 1
  end
  raise "Target position #{target} is outside of string"
end

#current_pos_info(target = pos) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 70

def current_pos_info(target=pos)
  l = current_line target
  c = current_column target
  ln = get_line(l-1)
  chr = string[target,1]
  KpegPosInfo.new(target, l, c, ln, chr)
end

#external_invoke(other, rule, *args) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 260

def external_invoke(other, rule, *args)
  old_pos = @pos
  old_string = @string

  set_string other.string, other.pos

  begin
    if val = __send__(rule, *args)
      other.pos = @pos
      other.result = @result
    else
      other.set_failed_rule "#{self.class}##{rule}"
    end
    val
  ensure
    set_string old_string, old_pos
  end
end

#failure_caret ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 129

def failure_caret
  p = current_pos_info @failing_rule_offset
  "#{p.line.chomp}\n#{' ' * (p.col - 1)}^"
end

#failure_character ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 134

def failure_character
  current_character @failing_rule_offset
end

#failure_info ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 117

def failure_info
  l = current_line @failing_rule_offset
  c = current_column @failing_rule_offset

  if @failed_rule.kind_of? Symbol
    info = self.class::Rules[@failed_rule]
    "line #{l}, column #{c}: failed rule '#{info.name}' = '#{info.rendered}'"
  else
    "line #{l}, column #{c}: failed rule '#{@failed_rule}'"
  end
end

#failure_oneline ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 138

def failure_oneline
  p = current_pos_info @failing_rule_offset

  if @failed_rule.kind_of? Symbol
    info = self.class::Rules[@failed_rule]
    "@#{p.lno}:#{p.col} failed rule '#{info.name}', got '#{p.char}'"
  else
    "@#{p.lno}:#{p.col} failed rule '#{@failed_rule}', got '#{p.char}'"
  end
end

#get_byte ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 204

def get_byte
  if @pos >= @string_size
    return nil
  end

  s = @string[@pos].ord
  @pos += 1
  s
end

#get_line(no) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 82

def get_line(no)
  loff = position_line_offsets
  if no < 0
    raise "Line No is out of range: #{no} < 0"
  elsif no >= loff.size
    raise "Line No is out of range: #{no} >= #{loff.size}"
  end
  lend = loff[no]-1
  lstart = no > 0 ? loff[no-1] : 0
  string[lstart..lend]
end

#get_text(start) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 96

def get_text(start)
  @string[start..@pos-1]
end

#grow_lr(rule, args, start_pos, m) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 346

def grow_lr(rule, args, start_pos, m)
  while true
    @pos = start_pos
    @result = m.result

    if args
      ans = __send__ rule, *args
    else
      ans = __send__ rule
    end
    return nil unless ans

    break if @pos <= m.pos

    m.move! ans, @pos, @result
  end

  @result = m.result
  @pos = m.pos
  return m.ans
end

#lines ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 78

def lines
  string.lines
end

#match_string(str) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 184

def match_string(str)
  len = str.size
  if @string[pos,len] == str
    @pos += len
    return str
  end

  return nil
end

#parse(rule = nil) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 225

def parse(rule=nil)
  # We invoke the rules indirectly via apply
  # instead of by just calling them as methods because
  # if the rules use left recursion, apply needs to
  # manage that.

  if !rule
    apply(:_root)
  else
    method = rule.gsub("-","_hyphen_")
    apply :"_#{method}"
  end
end

#position_line_offsets ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 32

def position_line_offsets
  unless @position_line_offsets
    @position_line_offsets = []
    total = 0
    string.each_line do |line|
      total += line.size
      @position_line_offsets << total
    end
  end
  @position_line_offsets
end

#raise_error ⇒ Object

Raises:



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# File 'lib/kpeg/format_parser.rb', line 152

def raise_error
  raise ParseError, failure_oneline
end

#scan(reg) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 194

def scan(reg)
  if m = reg.match(@string, @pos)
    @pos = m.end(0)
    return true
  end

  return nil
end

#set_failed_rule(name) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 175

def set_failed_rule(name)
  if @pos > @failing_rule_offset
    @failed_rule = name
    @failing_rule_offset = @pos
  end
end

#set_string(string, pos) ⇒ Object

Sets the string and current parsing position for the parser.



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# File 'lib/kpeg/format_parser.rb', line 101

def set_string string, pos
  @string = string
  @string_size = string ? string.size : 0
  @pos = pos
  @position_line_offsets = nil
end

#setup_foreign_grammar ⇒ Object

:stopdoc:



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# File 'lib/kpeg/format_parser.rb', line 403

def setup_foreign_grammar; end

#setup_parser(str, debug = false) ⇒ Object

Prepares for parsing str. If you define a custom initialize you must call this method before #parse



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# File 'lib/kpeg/format_parser.rb', line 7

def setup_parser(str, debug=false)
  set_string str, 0
  @memoizations = Hash.new { |h,k| h[k] = {} }
  @result = nil
  @failed_rule = nil
  @failing_rule_offset = -1
  @line_offsets = nil

  setup_foreign_grammar
end

#show_error(io = STDOUT) ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 156

def show_error(io=STDOUT)
  error_pos = @failing_rule_offset
  p = current_pos_info(error_pos)

  io.puts "On line #{p.lno}, column #{p.col}:"

  if @failed_rule.kind_of? Symbol
    info = self.class::Rules[@failed_rule]
    io.puts "Failed to match '#{info.rendered}' (rule '#{info.name}')"
  else
    io.puts "Failed to match rule '#{@failed_rule}'"
  end

  io.puts "Got: #{p.char.inspect}"
  io.puts "=> #{p.line}"
  io.print(" " * (p.col + 2))
  io.puts "^"
end

#show_pos ⇒ Object 



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# File 'lib/kpeg/format_parser.rb', line 108

def show_pos
  width = 10
  if @pos < width
    "#{@pos} (\"#{@string[0,@pos]}\" @ \"#{@string[@pos,width]}\")"
  else
    "#{@pos} (\"... #{@string[@pos - width, width]}\" @ \"#{@string[@pos,width]}\")"
  end
end