Class: KPeg::FormatParser

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

Defined Under Namespace

Classes: LeftRecursive, 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

This is distinct from setup_parser so that a standalone parser can redefine #initialize and still have access to the proper parser setup code.



21
22
23
 
# File 'lib/kpeg/format_parser.rb', line 21

def initialize(str, debug=false)
  setup_parser(str, debug)
end

Instance Attribute Details

#failed_rule ⇒ Object (readonly)

Returns the value of attribute failed_rule.



147
148
149
 
# File 'lib/kpeg/format_parser.rb', line 147

def failed_rule
  @failed_rule
end

#failing_rule_offset ⇒ Object (readonly)

Returns the value of attribute failing_rule_offset.



26
27
28
 
# File 'lib/kpeg/format_parser.rb', line 26

def failing_rule_offset
  @failing_rule_offset
end

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

Returns the value of attribute g.



327
328
329
 
# File 'lib/kpeg/format_parser.rb', line 327

def g
  @g
end

#pos ⇒ Object

Returns the value of attribute pos.



27
28
29
 
# File 'lib/kpeg/format_parser.rb', line 27

def pos
  @pos
end

#result ⇒ Object (readonly)

Returns the value of attribute result.



26
27
28
 
# File 'lib/kpeg/format_parser.rb', line 26

def result
  @result
end

#string ⇒ Object (readonly)

Returns the value of attribute string.



25
26
27
 
# File 'lib/kpeg/format_parser.rb', line 25

def string
  @string
end

Class Method Details

.rule_info(name, rendered) ⇒ Object 



313
314
315
 
# File 'lib/kpeg/format_parser.rb', line 313

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

Instance Method Details

#__hyphen_ ⇒ Object

  • (space | comment)*



409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
 
# File 'lib/kpeg/format_parser.rb', line 409

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] })



1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
 
# File 'lib/kpeg/format_parser.rb', line 1932

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

#_char ⇒ Object

char = < /[a-zA-Z0-9]/ > { text }



984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
 
# File 'lib/kpeg/format_parser.rb', line 984

def _char

  _save = self.pos
  while true # sequence
  _text_start = self.pos
  _tmp = scan(/\A(?-mix:[a-zA-Z0-9])/)
  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) }



1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
 
# File 'lib/kpeg/format_parser.rb', line 1010

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 }



1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
 
# File 'lib/kpeg/format_parser.rb', line 1840

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



341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
 
# File 'lib/kpeg/format_parser.rb', line 341

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



1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
 
# File 'lib/kpeg/format_parser.rb', line 1151

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 = scan(/\A(?-mix:[^{}]+)/)
  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



1144
1145
1146
1147
1148
 
# File 'lib/kpeg/format_parser.rb', line 1144

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

#_dbl_escapes ⇒ Object

dbl_escapes = (“\"” { ‘“’ } | ”\n“ { ”n“ } | ”\t“ { ”t“ } | ”\b“ { ”b“ } | ”\\“ { ”\“ })



468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
 
# File 'lib/kpeg/format_parser.rb', line 468

def _dbl_escapes

  _save = self.pos
  while true # choice

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

  _save3 = self.pos
  while true # sequence
  _tmp = match_string("\\t")
  unless _tmp
    self.pos = _save3
    break
  end
  @result = begin;  "\t" ; 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("\\b")
  unless _tmp
    self.pos = _save4
    break
  end
  @result = begin;  "\b" ; 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("\\\\")
  unless _tmp
    self.pos = _save5
    break
  end
  @result = begin;  "\\" ; end
  _tmp = true
  unless _tmp
    self.pos = _save5
  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:s | dbl_seq:s)+:ary { ary }



596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
 
# File 'lib/kpeg/format_parser.rb', line 596

def _dbl_not_quote

  _save = self.pos
  while true # sequence
  _save1 = self.pos
  _ary = []

  _save2 = self.pos
  while true # choice
  _tmp = apply(:_dbl_escapes)
  s = @result
  break if _tmp
  self.pos = _save2
  _tmp = apply(:_dbl_seq)
  s = @result
  break if _tmp
  self.pos = _save2
  break
  end # end choice

  if _tmp
    _ary << @result
    while true
  
  _save3 = self.pos
  while true # choice
  _tmp = apply(:_dbl_escapes)
  s = @result
  break if _tmp
  self.pos = _save3
  _tmp = apply(:_dbl_seq)
  s = @result
  break if _tmp
  self.pos = _save3
  break
  end # end choice

      _ary << @result if _tmp
      break unless _tmp
    end
    _tmp = true
    @result = _ary
  else
    self.pos = _save1
  end
  ary = @result
  unless _tmp
    self.pos = _save
    break
  end
  @result = begin;  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 }



570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
 
# File 'lib/kpeg/format_parser.rb', line 570

def _dbl_seq

  _save = self.pos
  while true # sequence
  _text_start = self.pos
  _tmp = scan(/\A(?-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) }



659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
 
# File 'lib/kpeg/format_parser.rb', line 659

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 = !.



2360
2361
2362
2363
2364
2365
2366
2367
 
# File 'lib/kpeg/format_parser.rb', line 2360

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

#_eol ⇒ Object

eol = “n”



334
335
336
337
338
 
# File 'lib/kpeg/format_parser.rb', line 334

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)



1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
 
# File 'lib/kpeg/format_parser.rb', line 1878

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

#_mult_range ⇒ Object

mult_range = “[” - range_elem:l - “,” - range_elem:r - “]” { [l == “*” ? nil : l.to_i, r == “*” ? nil : r.to_i] }



1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
 
# File 'lib/kpeg/format_parser.rb', line 1080

def _mult_range

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

  set_failed_rule :_mult_range unless _tmp
  return _tmp
end

#_nested_paren ⇒ Object

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



1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
 
# File 'lib/kpeg/format_parser.rb', line 1202

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(/\A(?-mix:[^()]+)/)
  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 }



850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
 
# File 'lib/kpeg/format_parser.rb', line 850

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(/\A(?-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(/\A(?-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

#_range_elem ⇒ Object

range_elem = < /([1-9]*)|*/ > { text }



1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
 
# File 'lib/kpeg/format_parser.rb', line 1054

def _range_elem

  _save = self.pos
  while true # sequence
  _text_start = self.pos
  _tmp = scan(/\A(?-mix:([1-9][0-9]*)|\*)/)
  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

#_regexp ⇒ Object

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



945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
 
# File 'lib/kpeg/format_parser.rb', line 945

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 }



908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
 
# File 'lib/kpeg/format_parser.rb', line 908

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 - “n”? eof



2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
 
# File 'lib/kpeg/format_parser.rb', line 2370

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 = match_string("\n")
  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 = “\‘” { “’” }



692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
 
# File 'lib/kpeg/format_parser.rb', line 692

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 { segs.join }



740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
 
# File 'lib/kpeg/format_parser.rb', line 740

def _sgl_not_quote

  _save = self.pos
  while true # sequence
  _save1 = self.pos
  _ary = []

  _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

  if _tmp
    _ary << @result
    while true
  
  _save3 = self.pos
  while true # choice
  _tmp = apply(:_sgl_escape_quote)
  break if _tmp
  self.pos = _save3
  _tmp = apply(:_sgl_seq)
  break if _tmp
  self.pos = _save3
  break
  end # end choice

      _ary << @result if _tmp
      break unless _tmp
    end
    _tmp = true
    @result = _ary
  else
    self.pos = _save1
  end
  segs = @result
  unless _tmp
    self.pos = _save
    break
  end
  @result = begin;  segs.join ; 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 }



714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
 
# File 'lib/kpeg/format_parser.rb', line 714

def _sgl_seq

  _save = self.pos
  while true # sequence
  _text_start = self.pos
  _tmp = scan(/\A(?-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) }



799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
 
# File 'lib/kpeg/format_parser.rb', line 799

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) ; 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)



388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
 
# File 'lib/kpeg/format_parser.rb', line 388

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)+



1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
 
# File 'lib/kpeg/format_parser.rb', line 1726

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 - “=” - < /[::A-Za-z]+/ > { @g.add_foreign_grammar(name, text) } | - “%%” - curly:act { @g.add_setup act } | - “%%” - var:name - “=” - < (!“n” .)+ > { @g.set_variable(name, text) })



2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
 
# File 'lib/kpeg/format_parser.rb', line 2013

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(/\A(?-mix:[::A-Za-z]+)/)
  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 = match_string("=")
  unless _tmp
    self.pos = _save5
    break
  end
  _tmp = apply(:__hyphen_)
  unless _tmp
    self.pos = _save5
    break
  end
  _text_start = self.pos
  _save6 = self.pos

  _save7 = self.pos
  while true # sequence
  _save8 = self.pos
  _tmp = match_string("\n")
  _tmp = _tmp ? nil : true
  self.pos = _save8
  unless _tmp
    self.pos = _save7
    break
  end
  _tmp = get_byte
  unless _tmp
    self.pos = _save7
  end
  break
  end # end sequence

  if _tmp
    while true
  
  _save9 = self.pos
  while true # sequence
  _save10 = self.pos
  _tmp = match_string("\n")
  _tmp = _tmp ? nil : true
  self.pos = _save10
  unless _tmp
    self.pos = _save9
    break
  end
  _tmp = get_byte
  unless _tmp
    self.pos = _save9
  end
  break
  end # end sequence

      break unless _tmp
    end
    _tmp = true
  else
    self.pos = _save6
  end
  if _tmp
    text = get_text(_text_start)
  end
  unless _tmp
    self.pos = _save5
    break
  end
  @result = begin;  @g.set_variable(name, text) ; end
  _tmp = true
  unless _tmp
    self.pos = _save5
  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)?



2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
 
# File 'lib/kpeg/format_parser.rb', line 2320

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)



832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
 
# File 'lib/kpeg/format_parser.rb', line 832

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.collect(o) } | curly_block | “.” { @g.dot } | “@” var:name !(- “=”) { @g.invoke(name) } | “^” 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? > !(- “=”) { text.empty? ? @g.ref(name) : @g.invoke(name, text) } | char_range | regexp | string)



1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
 
# File 'lib/kpeg/format_parser.rb', line 1243

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.collect(o) ; end
  _tmp = true
  unless _tmp
    self.pos = _save9
  end
  break
  end # end sequence

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

  _save10 = self.pos
  while true # sequence
  _tmp = match_string(".")
  unless _tmp
    self.pos = _save10
    break
  end
  @result = begin;  @g.dot ; 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
  _tmp = apply(:_var)
  name = @result
  unless _tmp
    self.pos = _save11
    break
  end
  _save12 = self.pos

  _save13 = self.pos
  while true # sequence
  _tmp = apply(:__hyphen_)
  unless _tmp
    self.pos = _save13
    break
  end
  _tmp = match_string("=")
  unless _tmp
    self.pos = _save13
  end
  break
  end # end sequence

  _tmp = _tmp ? nil : true
  self.pos = _save12
  unless _tmp
    self.pos = _save11
    break
  end
  @result = begin;  @g.invoke(name) ; end
  _tmp = true
  unless _tmp
    self.pos = _save11
  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
  @result = begin;  @g.foreign_invoke("parent", name, text) ; end
  _tmp = true
  unless _tmp
    self.pos = _save14
  end
  break
  end # end sequence

  break if _tmp
  self.pos = _save

  _save16 = self.pos
  while true # sequence
  _tmp = match_string("%")
  unless _tmp
    self.pos = _save16
    break
  end
  _tmp = apply(:_var)
  gram = @result
  unless _tmp
    self.pos = _save16
    break
  end
  _tmp = match_string(".")
  unless _tmp
    self.pos = _save16
    break
  end
  _tmp = apply(:_var)
  name = @result
  unless _tmp
    self.pos = _save16
    break
  end
  _text_start = self.pos
  _save17 = self.pos
  _tmp = apply(:_nested_paren)
  unless _tmp
    _tmp = true
    self.pos = _save17
  end
  if _tmp
    text = get_text(_text_start)
  end
  unless _tmp
    self.pos = _save16
    break
  end
  @result = begin;  @g.foreign_invoke(gram, name, text) ; end
  _tmp = true
  unless _tmp
    self.pos = _save16
  end
  break
  end # end sequence

  break if _tmp
  self.pos = _save

  _save18 = self.pos
  while true # sequence
  _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
  _save20 = self.pos

  _save21 = self.pos
  while true # sequence
  _tmp = apply(:__hyphen_)
  unless _tmp
    self.pos = _save21
    break
  end
  _tmp = match_string("=")
  unless _tmp
    self.pos = _save21
  end
  break
  end # end sequence

  _tmp = _tmp ? nil : true
  self.pos = _save20
  unless _tmp
    self.pos = _save18
    break
  end
  @result = begin;  text.empty? ? @g.ref(name) : @g.invoke(name, text) ; end
  _tmp = true
  unless _tmp
    self.pos = _save18
  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)



1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
 
# File 'lib/kpeg/format_parser.rb', line 1765

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-zA-Z]*/) > { text }



431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
 
# File 'lib/kpeg/format_parser.rb', line 431

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(/\A(?-mix:[a-zA-Z][\-_a-zA-Z0-9]*)/)
  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 



250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
 
# File 'lib/kpeg/format_parser.rb', line 250

def apply(rule)
  if m = @memoizations[rule][@pos]
    m.inc!

    prev = @pos
    @pos = m.pos
    if m.ans.kind_of? LeftRecursive
      m.ans.detected = true
      return nil
    end

    @result = m.result

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

    ans = __send__ rule

    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.detected
      return grow_lr(rule, start_pos, m)
    else
      return ans
    end

    return ans
  end
end

#current_column(target = pos) ⇒ Object

STANDALONE START



30
31
32
33
34
35
36
 
# File 'lib/kpeg/format_parser.rb', line 30

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

  target + 1
end

#current_line(target = pos) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
 
# File 'lib/kpeg/format_parser.rb', line 38

def current_line(target=pos)
  cur_offset = 0
  cur_line = 0

  string.each_line do |line|
    cur_line += 1
    cur_offset += line.size
    return cur_line if cur_offset >= target
  end

  -1
end

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



230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
 
# File 'lib/kpeg/format_parser.rb', line 230

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

  @pos = other.pos
  @string = other.string

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

#failure_caret ⇒ Object 



84
85
86
87
88
89
90
 
# File 'lib/kpeg/format_parser.rb', line 84

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

  line = lines[l-1]
  "#{line}\n#{' ' * (c - 1)}^"
end

#failure_character ⇒ Object 



92
93
94
95
96
 
# File 'lib/kpeg/format_parser.rb', line 92

def failure_character
  l = current_line @failing_rule_offset
  c = current_column @failing_rule_offset
  lines[l-1][c-1, 1]
end

#failure_info ⇒ Object 



72
73
74
75
76
77
78
79
80
81
82
 
# File 'lib/kpeg/format_parser.rb', line 72

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 



98
99
100
101
102
103
104
105
106
107
108
109
110
 
# File 'lib/kpeg/format_parser.rb', line 98

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

  char = lines[l-1][c-1, 1]

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

#get_byte ⇒ Object 



170
171
172
173
174
175
176
177
178
 
# File 'lib/kpeg/format_parser.rb', line 170

def get_byte
  if @pos >= @string.size
    return nil
  end

  s = @string.getbyte @pos
  @pos += 1
  s
end

#get_text(start) ⇒ Object 



59
60
61
 
# File 'lib/kpeg/format_parser.rb', line 59

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

#grow_lr(rule, start_pos, m) ⇒ Object 



286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
 
# File 'lib/kpeg/format_parser.rb', line 286

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

    ans = __send__ rule
    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 



51
52
53
54
55
 
# File 'lib/kpeg/format_parser.rb', line 51

def lines
  lines = []
  string.each_line { |l| lines << l }
  lines
end

#match_string(str) ⇒ Object 



149
150
151
152
153
154
155
156
157
 
# File 'lib/kpeg/format_parser.rb', line 149

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

  return nil
end

#parse(rule = nil) ⇒ Object 



191
192
193
194
195
196
197
198
199
 
# File 'lib/kpeg/format_parser.rb', line 191

def parse(rule=nil)
  if !rule
    _root ? true : false
  else
    # This is not shared with code_generator.rb so this can be standalone
    method = rule.gsub("-","_hyphen_")
    __send__("_#{method}") ? true : false
  end
end

#raise_error ⇒ Object

Raises:



115
116
117
 
# File 'lib/kpeg/format_parser.rb', line 115

def raise_error
  raise ParseError, failure_oneline
end

#scan(reg) ⇒ Object 



159
160
161
162
163
164
165
166
167
 
# File 'lib/kpeg/format_parser.rb', line 159

def scan(reg)
  if m = reg.match(@string[@pos..-1])
    width = m.end(0)
    @pos += width
    return true
  end

  return nil
end

#set_failed_rule(name) ⇒ Object 



140
141
142
143
144
145
 
# File 'lib/kpeg/format_parser.rb', line 140

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

#setup_foreign_grammar ⇒ Object 



14
15
 
# File 'lib/kpeg/format_parser.rb', line 14

def setup_foreign_grammar
end

#setup_parser(str, debug = false) ⇒ Object

STANDALONE START



3
4
5
6
7
8
9
10
11
12
 
# File 'lib/kpeg/format_parser.rb', line 3

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

  setup_foreign_grammar
end

#show_error(io = STDOUT) ⇒ Object 



119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
 
# File 'lib/kpeg/format_parser.rb', line 119

def show_error(io=STDOUT)
  error_pos = @failing_rule_offset
  line_no = current_line(error_pos)
  col_no = current_column(error_pos)

  io.puts "On line #{line_no}, column #{col_no}:"

  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: #{string[error_pos,1].inspect}"
  line = lines[line_no-1]
  io.puts "=> #{line}"
  io.print(" " * (col_no + 3))
  io.puts "^"
end

#show_pos ⇒ Object 



63
64
65
66
67
68
69
70
 
# File 'lib/kpeg/format_parser.rb', line 63

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