Module: Treetop::Compiler::Metagrammar

Includes:
Runtime
Included in:
MetagrammarParser
Defined in:
lib/treetop/compiler/metagrammar.rb

Defined Under Namespace

Modules: BracketExpression0, CharacterClass0, CharacterClass1, CharacterClass2, CharacterClass3, CharacterClass4, Choice0, Choice1, Choice2, CommentToEol0, CommentToEol1, DeclarationSequence0, DeclarationSequence1, DeclarationSequence2, DeclarationSequence3, DoubleQuotedString0, DoubleQuotedString1, Grammar0, Grammar1, GrammarName0, IncludeDeclaration0, IncludeDeclaration1, InlineModule0, InlineModule1, KeywordInsideGrammar0, LabeledExpressionSequenceBody0, LabeledSequencePrimary0, LabeledSequencePrimary1, ModuleDeclaration0, ModuleDeclaration1, ModuleDeclaration2, ModuleDeclaration3, ModuleDeclaration4, ModuleDeclaration5, NamedLabel0, NamedLabel1, NamedLabel2, NodeClassDeclarations0, NodeClassDeclarations1, NodeClassExpression0, NodeClassExpression1, NodeClassExpression2, NodeClassExpression3, NonSpaceChar0, Nonterminal0, Nonterminal1, NullLabel0, OccurrenceRange0, ParenthesizedExpression0, ParenthesizedExpression1, ParsingRule0, ParsingRule1, PredicateBlock0, Primary0, Primary1, Primary2, Primary3, Primary4, Primary5, Primary6, Primary7, QuotedString0, QuotedString1, RequireStatement0, Sequence0, Sequence1, SequencePrimary0, SequencePrimary1, SequencePrimary2, SequencePrimary3, SequencePrimary4, SequencePrimary5, SingleQuotedString0, SingleQuotedString1, TrailingInlineModule0, TrailingInlineModule1, TrailingInlineModule2, TreetopFile0, TreetopFile1, TreetopFile2, UnlabeledSequencePrimary0, UnlabeledSequencePrimary1, VariableLengthSequenceBody0, VariableLengthSequenceBody1, VariableLengthSequenceBody2

Instance Method Summary collapse

Instance Method Details

#_nt_alpha_charObject


4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
# File 'lib/treetop/compiler/metagrammar.rb', line 4015

def _nt_alpha_char
  start_index = index
  if node_cache[:alpha_char].has_key?(index)
    cached = node_cache[:alpha_char][index]
    if cached
      node_cache[:alpha_char][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[A-Za-z_]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('[A-Za-z_]')
    r0 = nil
  end

  node_cache[:alpha_char][start_index] = r0

  r0
end

#_nt_alphanumeric_charObject


4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
# File 'lib/treetop/compiler/metagrammar.rb', line 4039

def _nt_alphanumeric_char
  start_index = index
  if node_cache[:alphanumeric_char].has_key?(index)
    cached = node_cache[:alphanumeric_char][index]
    if cached
      node_cache[:alphanumeric_char][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_alpha_char
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
      r2 = true
      @index += 1
    else
      terminal_parse_failure('[0-9]')
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:alphanumeric_char][start_index] = r0

  r0
end

#_nt_alternativeObject


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
# File 'lib/treetop/compiler/metagrammar.rb', line 1407

def _nt_alternative
  start_index = index
  if node_cache[:alternative].has_key?(index)
    cached = node_cache[:alternative][index]
    if cached
      node_cache[:alternative][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_sequence
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_primary
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:alternative][start_index] = r0

  r0
end

#_nt_anything_symbolObject


3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
# File 'lib/treetop/compiler/metagrammar.rb', line 3484

def _nt_anything_symbol
  start_index = index
  if node_cache[:anything_symbol].has_key?(index)
    cached = node_cache[:anything_symbol][index]
    if cached
      node_cache[:anything_symbol][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if (match_len = has_terminal?('.', false, index))
    r0 = instantiate_node(AnythingSymbol,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'.\'')
    r0 = nil
  end

  node_cache[:anything_symbol][start_index] = r0

  r0
end

#_nt_atomicObject


2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
# File 'lib/treetop/compiler/metagrammar.rb', line 2493

def _nt_atomic
  start_index = index
  if node_cache[:atomic].has_key?(index)
    cached = node_cache[:atomic][index]
    if cached
      node_cache[:atomic][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_terminal
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_nonterminal
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      r3 = _nt_parenthesized_expression
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:atomic][start_index] = r0

  r0
end

#_nt_bracket_expressionObject


3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
# File 'lib/treetop/compiler/metagrammar.rb', line 3264

def _nt_bracket_expression
  start_index = index
  if node_cache[:bracket_expression].has_key?(index)
    cached = node_cache[:bracket_expression][index]
    if cached
      node_cache[:bracket_expression][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('[:', false, index))
    r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'[:\'')
    r1 = nil
  end
  s0 << r1
  if r1
    if (match_len = has_terminal?('^', false, index))
      r3 = true
      @index += match_len
    else
      terminal_parse_failure('\'^\'')
      r3 = nil
    end
    if r3
      r2 = r3
    else
      r2 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r2
    if r2
      i4 = index
      if (match_len = has_terminal?('alnum', false, index))
        r5 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure('\'alnum\'')
        r5 = nil
      end
      if r5
        r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
        r4 = r5
      else
        if (match_len = has_terminal?('alpha', false, index))
          r6 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('\'alpha\'')
          r6 = nil
        end
        if r6
          r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
          r4 = r6
        else
          if (match_len = has_terminal?('blank', false, index))
            r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
            @index += match_len
          else
            terminal_parse_failure('\'blank\'')
            r7 = nil
          end
          if r7
            r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
            r4 = r7
          else
            if (match_len = has_terminal?('cntrl', false, index))
              r8 = instantiate_node(SyntaxNode,input, index...(index + match_len))
              @index += match_len
            else
              terminal_parse_failure('\'cntrl\'')
              r8 = nil
            end
            if r8
              r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
              r4 = r8
            else
              if (match_len = has_terminal?('digit', false, index))
                r9 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                @index += match_len
              else
                terminal_parse_failure('\'digit\'')
                r9 = nil
              end
              if r9
                r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
                r4 = r9
              else
                if (match_len = has_terminal?('graph', false, index))
                  r10 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                  @index += match_len
                else
                  terminal_parse_failure('\'graph\'')
                  r10 = nil
                end
                if r10
                  r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
                  r4 = r10
                else
                  if (match_len = has_terminal?('lower', false, index))
                    r11 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                    @index += match_len
                  else
                    terminal_parse_failure('\'lower\'')
                    r11 = nil
                  end
                  if r11
                    r11 = SyntaxNode.new(input, (index-1)...index) if r11 == true
                    r4 = r11
                  else
                    if (match_len = has_terminal?('print', false, index))
                      r12 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                      @index += match_len
                    else
                      terminal_parse_failure('\'print\'')
                      r12 = nil
                    end
                    if r12
                      r12 = SyntaxNode.new(input, (index-1)...index) if r12 == true
                      r4 = r12
                    else
                      if (match_len = has_terminal?('punct', false, index))
                        r13 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                        @index += match_len
                      else
                        terminal_parse_failure('\'punct\'')
                        r13 = nil
                      end
                      if r13
                        r13 = SyntaxNode.new(input, (index-1)...index) if r13 == true
                        r4 = r13
                      else
                        if (match_len = has_terminal?('space', false, index))
                          r14 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                          @index += match_len
                        else
                          terminal_parse_failure('\'space\'')
                          r14 = nil
                        end
                        if r14
                          r14 = SyntaxNode.new(input, (index-1)...index) if r14 == true
                          r4 = r14
                        else
                          if (match_len = has_terminal?('upper', false, index))
                            r15 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                            @index += match_len
                          else
                            terminal_parse_failure('\'upper\'')
                            r15 = nil
                          end
                          if r15
                            r15 = SyntaxNode.new(input, (index-1)...index) if r15 == true
                            r4 = r15
                          else
                            if (match_len = has_terminal?('xdigit', false, index))
                              r16 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                              @index += match_len
                            else
                              terminal_parse_failure('\'xdigit\'')
                              r16 = nil
                            end
                            if r16
                              r16 = SyntaxNode.new(input, (index-1)...index) if r16 == true
                              r4 = r16
                            else
                              if (match_len = has_terminal?('word', false, index))
                                r17 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                                @index += match_len
                              else
                                terminal_parse_failure('\'word\'')
                                r17 = nil
                              end
                              if r17
                                r17 = SyntaxNode.new(input, (index-1)...index) if r17 == true
                                r4 = r17
                              else
                                @index = i4
                                r4 = nil
                              end
                            end
                          end
                        end
                      end
                    end
                  end
                end
              end
            end
          end
        end
      end
      s0 << r4
      if r4
        if (match_len = has_terminal?(':]', false, index))
          r18 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('\':]\'')
          r18 = nil
        end
        s0 << r18
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(BracketExpression0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:bracket_expression][start_index] = r0

  r0
end

#_nt_character_classObject


3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
# File 'lib/treetop/compiler/metagrammar.rb', line 3090

def _nt_character_class
  start_index = index
  if node_cache[:character_class].has_key?(index)
    cached = node_cache[:character_class][index]
    if cached
      node_cache[:character_class][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('[', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'[\'')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      i4 = index
      if (match_len = has_terminal?(']', false, index))
        r5 = true
        @index += match_len
      else
        terminal_parse_failure('\']\'')
        r5 = nil
      end
      if r5
        @index = i4
        r4 = nil
        terminal_parse_failure('\']\'', true)
      else
        @terminal_failures.pop
        @index = i4
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        i6 = index
        i7, s7 = index, []
        if (match_len = has_terminal?('\\', false, index))
          r8 = true
          @index += match_len
        else
          terminal_parse_failure('\'\\\\\'')
          r8 = nil
        end
        s7 << r8
        if r8
          if index < input_length
            r9 = true
            @index += 1
          else
            terminal_parse_failure("any character")
            r9 = nil
          end
          s7 << r9
        end
        if s7.last
          r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
          r7.extend(CharacterClass0)
        else
          @index = i7
          r7 = nil
        end
        if r7
          r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
          r6 = r7
        else
          r10 = _nt_bracket_expression
          if r10
            r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
            r6 = r10
          else
            i11, s11 = index, []
            i12 = index
            if (match_len = has_terminal?('\\', false, index))
              r13 = true
              @index += match_len
            else
              terminal_parse_failure('\'\\\\\'')
              r13 = nil
            end
            if r13
              @index = i12
              r12 = nil
              terminal_parse_failure('\'\\\\\'', true)
            else
              @terminal_failures.pop
              @index = i12
              r12 = instantiate_node(SyntaxNode,input, index...index)
            end
            s11 << r12
            if r12
              if index < input_length
                r14 = true
                @index += 1
              else
                terminal_parse_failure("any character")
                r14 = nil
              end
              s11 << r14
            end
            if s11.last
              r11 = instantiate_node(SyntaxNode,input, i11...index, s11)
              r11.extend(CharacterClass1)
            else
              @index = i11
              r11 = nil
            end
            if r11
              r11 = SyntaxNode.new(input, (index-1)...index) if r11 == true
              r6 = r11
            else
              @index = i6
              r6 = nil
            end
          end
        end
        s3 << r6
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(CharacterClass2)
      else
        @index = i3
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    if s2.empty?
      @index = i2
      r2 = nil
    else
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    end
    s0 << r2
    if r2
      if (match_len = has_terminal?(']', false, index))
        r15 = true
        @index += match_len
      else
        terminal_parse_failure('\']\'')
        r15 = nil
      end
      s0 << r15
    end
  end
  if s0.last
    r0 = instantiate_node(CharacterClass,input, i0...index, s0)
    r0.extend(CharacterClass3)
    r0.extend(CharacterClass4)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:character_class][start_index] = r0

  r0
end

#_nt_choiceObject


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
1142
1143
1144
1145
1146
1147
1148
1149
1150
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
# File 'lib/treetop/compiler/metagrammar.rb', line 1107

def _nt_choice
  start_index = index
  if node_cache[:choice].has_key?(index)
    cached = node_cache[:choice][index]
    if cached
      node_cache[:choice][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_alternative
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      r5 = _nt_space
      if r5
        r4 = r5
      else
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        if (match_len = has_terminal?('/', false, index))
          r6 = true
          @index += match_len
        else
          terminal_parse_failure('\'/\'')
          r6 = nil
        end
        s3 << r6
        if r6
          r8 = _nt_space
          if r8
            r7 = r8
          else
            r7 = instantiate_node(SyntaxNode,input, index...index)
          end
          s3 << r7
          if r7
            r9 = _nt_alternative
            s3 << r9
          end
        end
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(Choice0)
      else
        @index = i3
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    if s2.empty?
      @index = i2
      r2 = nil
    else
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    end
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(Choice,input, i0...index, s0)
    r0.extend(Choice1)
    r0.extend(Choice2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:choice][start_index] = r0

  r0
end

#_nt_comment_to_eolObject


4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
# File 'lib/treetop/compiler/metagrammar.rb', line 4129

def _nt_comment_to_eol
  start_index = index
  if node_cache[:comment_to_eol].has_key?(index)
    cached = node_cache[:comment_to_eol][index]
    if cached
      node_cache[:comment_to_eol][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('#', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'#\'')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      i4 = index
      if (match_len = has_terminal?("\n", false, index))
        r5 = true
        @index += match_len
      else
        terminal_parse_failure('"\\n"')
        r5 = nil
      end
      if r5
        @index = i4
        r4 = nil
        terminal_parse_failure('"\\n"', true)
      else
        @terminal_failures.pop
        @index = i4
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        if index < input_length
          r6 = true
          @index += 1
        else
          terminal_parse_failure("any character")
          r6 = nil
        end
        s3 << r6
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(CommentToEol0)
      else
        @index = i3
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(CommentToEol1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:comment_to_eol][start_index] = r0

  r0
end

#_nt_declarationObject


785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
# File 'lib/treetop/compiler/metagrammar.rb', line 785

def _nt_declaration
  start_index = index
  if node_cache[:declaration].has_key?(index)
    cached = node_cache[:declaration][index]
    if cached
      node_cache[:declaration][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_parsing_rule
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_include_declaration
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:declaration][start_index] = r0

  r0
end

#_nt_declaration_sequenceObject


710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
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
# File 'lib/treetop/compiler/metagrammar.rb', line 710

def _nt_declaration_sequence
  start_index = index
  if node_cache[:declaration_sequence].has_key?(index)
    cached = node_cache[:declaration_sequence][index]
    if cached
      node_cache[:declaration_sequence][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_declaration
  s1 << r2
  if r2
    s3, i3 = [], index
    loop do
      i4, s4 = index, []
      r5 = _nt_space
      s4 << r5
      if r5
        r6 = _nt_declaration
        s4 << r6
      end
      if s4.last
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
        r4.extend(DeclarationSequence0)
      else
        @index = i4
        r4 = nil
      end
      if r4
        s3 << r4
      else
        break
      end
    end
    r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
    s1 << r3
  end
  if s1.last
    r1 = instantiate_node(DeclarationSequence,input, i1...index, s1)
    r1.extend(DeclarationSequence1)
    r1.extend(DeclarationSequence2)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('', false, index))
      r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      r7.extend(DeclarationSequence3)
      @index += match_len
    else
      terminal_parse_failure('\'\'')
      r7 = nil
    end
    if r7
      r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
      r0 = r7
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:declaration_sequence][start_index] = r0

  r0
end

#_nt_double_quoted_stringObject


2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
# File 'lib/treetop/compiler/metagrammar.rb', line 2812

def _nt_double_quoted_string
  start_index = index
  if node_cache[:double_quoted_string].has_key?(index)
    cached = node_cache[:double_quoted_string][index]
    if cached
      node_cache[:double_quoted_string][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('"', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'"\'')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      i4 = index
      if (match_len = has_terminal?('"', false, index))
        r5 = true
        @index += match_len
      else
        terminal_parse_failure('\'"\'')
        r5 = nil
      end
      if r5
        @index = i4
        r4 = nil
        terminal_parse_failure('\'"\'', true)
      else
        @terminal_failures.pop
        @index = i4
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        i6 = index
        if (match_len = has_terminal?("\\\\", false, index))
          r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('"\\\\\\\\"')
          r7 = nil
        end
        if r7
          r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
          r6 = r7
        else
          if (match_len = has_terminal?('\"', false, index))
            r8 = instantiate_node(SyntaxNode,input, index...(index + match_len))
            @index += match_len
          else
            terminal_parse_failure('\'\\"\'')
            r8 = nil
          end
          if r8
            r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
            r6 = r8
          else
            if index < input_length
              r9 = true
              @index += 1
            else
              terminal_parse_failure("any character")
              r9 = nil
            end
            if r9
              r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
              r6 = r9
            else
              @index = i6
              r6 = nil
            end
          end
        end
        s3 << r6
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(DoubleQuotedString0)
      else
        @index = i3
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
    if r2
      if (match_len = has_terminal?('"', false, index))
        r10 = true
        @index += match_len
      else
        terminal_parse_failure('\'"\'')
        r10 = nil
      end
      s0 << r10
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(DoubleQuotedString1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:double_quoted_string][start_index] = r0

  r0
end

#_nt_grammarObject


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
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
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
# File 'lib/treetop/compiler/metagrammar.rb', line 530

def _nt_grammar
  start_index = index
  if node_cache[:grammar].has_key?(index)
    cached = node_cache[:grammar][index]
    if cached
      node_cache[:grammar][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('grammar', false, index))
    r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'grammar\'')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_space
    s0 << r2
    if r2
      r3 = _nt_grammar_name
      s0 << r3
      if r3
        r4 = _nt_space
        s0 << r4
        if r4
          i6, s6 = index, []
          if (match_len = has_terminal?('do', false, index))
            r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
            @index += match_len
          else
            terminal_parse_failure('\'do\'')
            r7 = nil
          end
          s6 << r7
          if r7
            r8 = _nt_space
            s6 << r8
          end
          if s6.last
            r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
            r6.extend(Grammar0)
          else
            @index = i6
            r6 = nil
          end
          if r6
            r5 = r6
          else
            r5 = instantiate_node(SyntaxNode,input, index...index)
          end
          s0 << r5
          if r5
            r9 = _nt_declaration_sequence
            s0 << r9
            if r9
              r11 = _nt_space
              if r11
                r10 = r11
              else
                r10 = instantiate_node(SyntaxNode,input, index...index)
              end
              s0 << r10
              if r10
                if (match_len = has_terminal?('end', false, index))
                  r12 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                  @index += match_len
                else
                  terminal_parse_failure('\'end\'')
                  r12 = nil
                end
                s0 << r12
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(Grammar,input, i0...index, s0)
    r0.extend(Grammar1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:grammar][start_index] = r0

  r0
end

#_nt_grammar_nameObject


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
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
# File 'lib/treetop/compiler/metagrammar.rb', line 629

def _nt_grammar_name
  start_index = index
  if node_cache[:grammar_name].has_key?(index)
    cached = node_cache[:grammar_name][index]
    if cached
      node_cache[:grammar_name][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if has_terminal?(@regexps[gr = '\A[A-Z]'] ||= Regexp.new(gr), :regexp, index)
    r1 = true
    @index += 1
  else
    terminal_parse_failure('[A-Z]')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      r3 = _nt_alphanumeric_char
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(GrammarName0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:grammar_name][start_index] = r0

  r0
end

#_nt_include_declarationObject


830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
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
906
907
908
909
# File 'lib/treetop/compiler/metagrammar.rb', line 830

def _nt_include_declaration
  start_index = index
  if node_cache[:include_declaration].has_key?(index)
    cached = node_cache[:include_declaration][index]
    if cached
      node_cache[:include_declaration][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('include', false, index))
    r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'include\'')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_space
    s0 << r2
    if r2
      if has_terminal?(@regexps[gr = '\A[A-Z]'] ||= Regexp.new(gr), :regexp, index)
        r3 = true
        @index += 1
      else
        terminal_parse_failure('[A-Z]')
        r3 = nil
      end
      s0 << r3
      if r3
        s4, i4 = [], index
        loop do
          i5 = index
          r6 = _nt_alphanumeric_char
          if r6
            r6 = SyntaxNode.new(input, (index-1)...index) if r6 == true
            r5 = r6
          else
            if (match_len = has_terminal?('::', false, index))
              r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
              @index += match_len
            else
              terminal_parse_failure('\'::\'')
              r7 = nil
            end
            if r7
              r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
              r5 = r7
            else
              @index = i5
              r5 = nil
            end
          end
          if r5
            s4 << r5
          else
            break
          end
        end
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
        s0 << r4
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(IncludeDeclaration0)
    r0.extend(IncludeDeclaration1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:include_declaration][start_index] = r0

  r0
end

#_nt_inline_moduleObject


3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
# File 'lib/treetop/compiler/metagrammar.rb', line 3794

def _nt_inline_module
  start_index = index
  if node_cache[:inline_module].has_key?(index)
    cached = node_cache[:inline_module][index]
    if cached
      node_cache[:inline_module][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('{', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'{\'')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3 = index
      r4 = _nt_inline_module
      if r4
        r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
        r3 = r4
      else
        i5, s5 = index, []
        i6 = index
        if has_terminal?(@regexps[gr = '\A[{}]'] ||= Regexp.new(gr), :regexp, index)
          r7 = true
          @index += 1
        else
          terminal_parse_failure('[{}]')
          r7 = nil
        end
        if r7
          @index = i6
          r6 = nil
          terminal_parse_failure('[{}]', true)
        else
          @terminal_failures.pop
          @index = i6
          r6 = instantiate_node(SyntaxNode,input, index...index)
        end
        s5 << r6
        if r6
          if index < input_length
            r8 = true
            @index += 1
          else
            terminal_parse_failure("any character")
            r8 = nil
          end
          s5 << r8
        end
        if s5.last
          r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
          r5.extend(InlineModule0)
        else
          @index = i5
          r5 = nil
        end
        if r5
          r5 = SyntaxNode.new(input, (index-1)...index) if r5 == true
          r3 = r5
        else
          @index = i3
          r3 = nil
        end
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
    if r2
      if (match_len = has_terminal?('}', false, index))
        r9 = true
        @index += match_len
      else
        terminal_parse_failure('\'}\'')
        r9 = nil
      end
      s0 << r9
    end
  end
  if s0.last
    r0 = instantiate_node(InlineModule,input, i0...index, s0)
    r0.extend(InlineModule1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:inline_module][start_index] = r0

  r0
end

#_nt_keyword_inside_grammarObject


3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
# File 'lib/treetop/compiler/metagrammar.rb', line 3902

def _nt_keyword_inside_grammar
  start_index = index
  if node_cache[:keyword_inside_grammar].has_key?(index)
    cached = node_cache[:keyword_inside_grammar][index]
    if cached
      node_cache[:keyword_inside_grammar][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  i1 = index
  if (match_len = has_terminal?('rule', false, index))
    r2 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'rule\'')
    r2 = nil
  end
  if r2
    r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
    r1 = r2
  else
    if (match_len = has_terminal?('end', false, index))
      r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('\'end\'')
      r3 = nil
    end
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r1 = r3
    else
      @index = i1
      r1 = nil
    end
  end
  s0 << r1
  if r1
    i4 = index
    r5 = _nt_non_space_char
    if r5
      @index = i4
      r4 = nil
    else
      @index = i4
      r4 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r4
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(KeywordInsideGrammar0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:keyword_inside_grammar][start_index] = r0

  r0
end

#_nt_labelObject


1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
# File 'lib/treetop/compiler/metagrammar.rb', line 1858

def _nt_label
  start_index = index
  if node_cache[:label].has_key?(index)
    cached = node_cache[:label][index]
    if cached
      node_cache[:label][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_named_label
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_null_label
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:label][start_index] = r0

  r0
end

#_nt_labeled_expression_sequence_bodyObject


1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
# File 'lib/treetop/compiler/metagrammar.rb', line 1387

def _nt_labeled_expression_sequence_body
  start_index = index
  if node_cache[:labeled_expression_sequence_body].has_key?(index)
    cached = node_cache[:labeled_expression_sequence_body][index]
    if cached
      node_cache[:labeled_expression_sequence_body][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  r0 = _nt_labeled_sequence_primary
  r0.extend(LabeledExpressionSequenceBody0)
  r0.extend(LabeledExpressionSequenceBody0)

  node_cache[:labeled_expression_sequence_body][start_index] = r0

  r0
end

#_nt_labeled_sequence_primaryObject


1762
1763
1764
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
# File 'lib/treetop/compiler/metagrammar.rb', line 1762

def _nt_labeled_sequence_primary
  start_index = index
  if node_cache[:labeled_sequence_primary].has_key?(index)
    cached = node_cache[:labeled_sequence_primary][index]
    if cached
      node_cache[:labeled_sequence_primary][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_named_label
  s0 << r1
  if r1
    r2 = _nt_sequence_primary
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(LabeledSequencePrimary0)
    r0.extend(LabeledSequencePrimary1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:labeled_sequence_primary][start_index] = r0

  r0
end

#_nt_module_declarationObject


310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
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
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
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
466
467
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
# File 'lib/treetop/compiler/metagrammar.rb', line 310

def _nt_module_declaration
  start_index = index
  if node_cache[:module_declaration].has_key?(index)
    cached = node_cache[:module_declaration][index]
    if cached
      node_cache[:module_declaration][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  i1, s1 = index, []
  i2 = index
  if (match_len = has_terminal?('module', false, index))
    r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'module\'')
    r3 = nil
  end
  if r3
    r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
    r2 = r3
  else
    if (match_len = has_terminal?('class', false, index))
      r4 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('\'class\'')
      r4 = nil
    end
    if r4
      r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
      r2 = r4
    else
      @index = i2
      r2 = nil
    end
  end
  s1 << r2
  if r2
    r5 = _nt_space
    s1 << r5
    if r5
      i6, s6 = index, []
      if has_terminal?(@regexps[gr = '\A[A-Z]'] ||= Regexp.new(gr), :regexp, index)
        r7 = true
        @index += 1
      else
        terminal_parse_failure('[A-Z]')
        r7 = nil
      end
      s6 << r7
      if r7
        s8, i8 = [], index
        loop do
          r9 = _nt_alphanumeric_char
          if r9
            s8 << r9
          else
            break
          end
        end
        r8 = instantiate_node(SyntaxNode,input, i8...index, s8)
        s6 << r8
        if r8
          s10, i10 = [], index
          loop do
            i11, s11 = index, []
            if (match_len = has_terminal?('::', false, index))
              r12 = instantiate_node(SyntaxNode,input, index...(index + match_len))
              @index += match_len
            else
              terminal_parse_failure('\'::\'')
              r12 = nil
            end
            s11 << r12
            if r12
              if has_terminal?(@regexps[gr = '\A[A-Z]'] ||= Regexp.new(gr), :regexp, index)
                r13 = true
                @index += 1
              else
                terminal_parse_failure('[A-Z]')
                r13 = nil
              end
              s11 << r13
              if r13
                s14, i14 = [], index
                loop do
                  r15 = _nt_alphanumeric_char
                  if r15
                    s14 << r15
                  else
                    break
                  end
                end
                r14 = instantiate_node(SyntaxNode,input, i14...index, s14)
                s11 << r14
              end
            end
            if s11.last
              r11 = instantiate_node(SyntaxNode,input, i11...index, s11)
              r11.extend(ModuleDeclaration0)
            else
              @index = i11
              r11 = nil
            end
            if r11
              s10 << r11
            else
              break
            end
          end
          r10 = instantiate_node(SyntaxNode,input, i10...index, s10)
          s6 << r10
        end
      end
      if s6.last
        r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
        r6.extend(ModuleDeclaration1)
      else
        @index = i6
        r6 = nil
      end
      s1 << r6
      if r6
        r16 = _nt_space
        s1 << r16
      end
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(ModuleDeclaration2)
  else
    @index = i1
    r1 = nil
  end
  s0 << r1
  if r1
    i17 = index
    r18 = _nt_module_declaration
    if r18
      r18 = SyntaxNode.new(input, (index-1)...index) if r18 == true
      r17 = r18
    else
      r19 = _nt_grammar
      if r19
        r19 = SyntaxNode.new(input, (index-1)...index) if r19 == true
        r17 = r19
      else
        @index = i17
        r17 = nil
      end
    end
    s0 << r17
    if r17
      i20, s20 = index, []
      r21 = _nt_space
      s20 << r21
      if r21
        if (match_len = has_terminal?('end', false, index))
          r22 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('\'end\'')
          r22 = nil
        end
        s20 << r22
      end
      if s20.last
        r20 = instantiate_node(SyntaxNode,input, i20...index, s20)
        r20.extend(ModuleDeclaration3)
      else
        @index = i20
        r20 = nil
      end
      s0 << r20
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(ModuleDeclaration4)
    r0.extend(ModuleDeclaration5)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:module_declaration][start_index] = r0

  r0
end

#_nt_module_or_grammarObject


227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
# File 'lib/treetop/compiler/metagrammar.rb', line 227

def _nt_module_or_grammar
  start_index = index
  if node_cache[:module_or_grammar].has_key?(index)
    cached = node_cache[:module_or_grammar][index]
    if cached
      node_cache[:module_or_grammar][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_module_declaration
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_grammar
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:module_or_grammar][start_index] = r0

  r0
end

#_nt_named_labelObject


1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
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
# File 'lib/treetop/compiler/metagrammar.rb', line 1906

def _nt_named_label
  start_index = index
  if node_cache[:named_label].has_key?(index)
    cached = node_cache[:named_label][index]
    if cached
      node_cache[:named_label][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  i1, s1 = index, []
  r2 = _nt_alpha_char
  s1 << r2
  if r2
    s3, i3 = [], index
    loop do
      r4 = _nt_alphanumeric_char
      if r4
        s3 << r4
      else
        break
      end
    end
    r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
    s1 << r3
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(NamedLabel0)
  else
    @index = i1
    r1 = nil
  end
  s0 << r1
  if r1
    if (match_len = has_terminal?(':', false, index))
      r5 = true
      @index += match_len
    else
      terminal_parse_failure('\':\'')
      r5 = nil
    end
    s0 << r5
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(NamedLabel1)
    r0.extend(NamedLabel2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:named_label][start_index] = r0

  r0
end

#_nt_node_class_declarationsObject


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
# File 'lib/treetop/compiler/metagrammar.rb', line 2265

def _nt_node_class_declarations
  start_index = index
  if node_cache[:node_class_declarations].has_key?(index)
    cached = node_cache[:node_class_declarations][index]
    if cached
      node_cache[:node_class_declarations][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_node_class_expression
  s0 << r1
  if r1
    r2 = _nt_trailing_inline_module
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(NodeClassDeclarations0)
    r0.extend(NodeClassDeclarations1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:node_class_declarations][start_index] = r0

  r0
end

#_nt_node_class_expressionObject


3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
# File 'lib/treetop/compiler/metagrammar.rb', line 3530

def _nt_node_class_expression
  start_index = index
  if node_cache[:node_class_expression].has_key?(index)
    cached = node_cache[:node_class_expression][index]
    if cached
      node_cache[:node_class_expression][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_space
  s1 << r2
  if r2
    if (match_len = has_terminal?('<', false, index))
      r3 = true
      @index += match_len
    else
      terminal_parse_failure('\'<\'')
      r3 = nil
    end
    s1 << r3
    if r3
      s4, i4 = [], index
      loop do
        i5, s5 = index, []
        i6 = index
        if (match_len = has_terminal?('>', false, index))
          r7 = true
          @index += match_len
        else
          terminal_parse_failure('\'>\'')
          r7 = nil
        end
        if r7
          @index = i6
          r6 = nil
          terminal_parse_failure('\'>\'', true)
        else
          @terminal_failures.pop
          @index = i6
          r6 = instantiate_node(SyntaxNode,input, index...index)
        end
        s5 << r6
        if r6
          if index < input_length
            r8 = true
            @index += 1
          else
            terminal_parse_failure("any character")
            r8 = nil
          end
          s5 << r8
        end
        if s5.last
          r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
          r5.extend(NodeClassExpression0)
        else
          @index = i5
          r5 = nil
        end
        if r5
          s4 << r5
        else
          break
        end
      end
      if s4.empty?
        @index = i4
        r4 = nil
      else
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      end
      s1 << r4
      if r4
        if (match_len = has_terminal?('>', false, index))
          r9 = true
          @index += match_len
        else
          terminal_parse_failure('\'>\'')
          r9 = nil
        end
        s1 << r9
      end
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(NodeClassExpression1)
    r1.extend(NodeClassExpression2)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('', false, index))
      r10 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      r10.extend(NodeClassExpression3)
      @index += match_len
    else
      terminal_parse_failure('\'\'')
      r10 = nil
    end
    if r10
      r10 = SyntaxNode.new(input, (index-1)...index) if r10 == true
      r0 = r10
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:node_class_expression][start_index] = r0

  r0
end

#_nt_non_space_charObject


3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
# File 'lib/treetop/compiler/metagrammar.rb', line 3970

def _nt_non_space_char
  start_index = index
  if node_cache[:non_space_char].has_key?(index)
    cached = node_cache[:non_space_char][index]
    if cached
      node_cache[:non_space_char][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  i1 = index
  r2 = _nt_space
  if r2
    @index = i1
    r1 = nil
  else
    @index = i1
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    if index < input_length
      r3 = true
      @index += 1
    else
      terminal_parse_failure("any character")
      r3 = nil
    end
    s0 << r3
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(NonSpaceChar0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:non_space_char][start_index] = r0

  r0
end

#_nt_nonterminalObject


2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
# File 'lib/treetop/compiler/metagrammar.rb', line 2626

def _nt_nonterminal
  start_index = index
  if node_cache[:nonterminal].has_key?(index)
    cached = node_cache[:nonterminal][index]
    if cached
      node_cache[:nonterminal][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  i1 = index
  r2 = _nt_keyword_inside_grammar
  if r2
    @index = i1
    r1 = nil
  else
    @index = i1
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    i3, s3 = index, []
    r4 = _nt_alpha_char
    s3 << r4
    if r4
      s5, i5 = [], index
      loop do
        r6 = _nt_alphanumeric_char
        if r6
          s5 << r6
        else
          break
        end
      end
      r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
      s3 << r5
    end
    if s3.last
      r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
      r3.extend(Nonterminal0)
    else
      @index = i3
      r3 = nil
    end
    s0 << r3
  end
  if s0.last
    r0 = instantiate_node(Nonterminal,input, i0...index, s0)
    r0.extend(Nonterminal1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:nonterminal][start_index] = r0

  r0
end

#_nt_null_labelObject


1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
# File 'lib/treetop/compiler/metagrammar.rb', line 1972

def _nt_null_label
  start_index = index
  if node_cache[:null_label].has_key?(index)
    cached = node_cache[:null_label][index]
    if cached
      node_cache[:null_label][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if (match_len = has_terminal?('', false, index))
    r0 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    r0.extend(NullLabel0)
    @index += match_len
  else
    terminal_parse_failure('\'\'')
    r0 = nil
  end

  node_cache[:null_label][start_index] = r0

  r0
end

#_nt_occurrence_rangeObject


2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
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
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
# File 'lib/treetop/compiler/metagrammar.rb', line 2357

def _nt_occurrence_range
  start_index = index
  if node_cache[:occurrence_range].has_key?(index)
    cached = node_cache[:occurrence_range][index]
    if cached
      node_cache[:occurrence_range][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r2 = _nt_space
  if r2
    r1 = r2
  else
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    s3, i3 = [], index
    loop do
      if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
        r4 = true
        @index += 1
      else
        terminal_parse_failure('[0-9]')
        r4 = nil
      end
      if r4
        s3 << r4
      else
        break
      end
    end
    r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
    s0 << r3
    if r3
      if (match_len = has_terminal?('..', false, index))
        r5 = instantiate_node(SyntaxNode,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure('\'..\'')
        r5 = nil
      end
      s0 << r5
      if r5
        s6, i6 = [], index
        loop do
          if has_terminal?(@regexps[gr = '\A[0-9]'] ||= Regexp.new(gr), :regexp, index)
            r7 = true
            @index += 1
          else
            terminal_parse_failure('[0-9]')
            r7 = nil
          end
          if r7
            s6 << r7
          else
            break
          end
        end
        r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
        s0 << r6
      end
    end
  end
  if s0.last
    r0 = instantiate_node(OccurrenceRange,input, i0...index, s0)
    r0.extend(OccurrenceRange0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:occurrence_range][start_index] = r0

  r0
end

#_nt_optional_suffixObject


2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
# File 'lib/treetop/compiler/metagrammar.rb', line 2213

def _nt_optional_suffix
  start_index = index
  if node_cache[:optional_suffix].has_key?(index)
    cached = node_cache[:optional_suffix][index]
    if cached
      node_cache[:optional_suffix][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if (match_len = has_terminal?('?', false, index))
    r0 = instantiate_node(Optional,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'?\'')
    r0 = nil
  end

  node_cache[:optional_suffix][start_index] = r0

  r0
end

#_nt_optionally_labeled_sequence_primaryObject


1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
# File 'lib/treetop/compiler/metagrammar.rb', line 1702

def _nt_optionally_labeled_sequence_primary
  start_index = index
  if node_cache[:optionally_labeled_sequence_primary].has_key?(index)
    cached = node_cache[:optionally_labeled_sequence_primary][index]
    if cached
      node_cache[:optionally_labeled_sequence_primary][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_labeled_sequence_primary
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_unlabeled_sequence_primary
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:optionally_labeled_sequence_primary][start_index] = r0

  r0
end

#_nt_parenthesized_expressionObject


2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
# File 'lib/treetop/compiler/metagrammar.rb', line 2550

def _nt_parenthesized_expression
  start_index = index
  if node_cache[:parenthesized_expression].has_key?(index)
    cached = node_cache[:parenthesized_expression][index]
    if cached
      node_cache[:parenthesized_expression][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('(', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'(\'')
    r1 = nil
  end
  s0 << r1
  if r1
    r3 = _nt_space
    if r3
      r2 = r3
    else
      r2 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r2
    if r2
      r4 = _nt_parsing_expression
      s0 << r4
      if r4
        r6 = _nt_space
        if r6
          r5 = r6
        else
          r5 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r5
        if r5
          if (match_len = has_terminal?(')', false, index))
            r7 = true
            @index += match_len
          else
            terminal_parse_failure('\')\'')
            r7 = nil
          end
          s0 << r7
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(ParenthesizedExpression,input, i0...index, s0)
    r0.extend(ParenthesizedExpression0)
    r0.extend(ParenthesizedExpression1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:parenthesized_expression][start_index] = r0

  r0
end

#_nt_parsing_expressionObject


1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
# File 'lib/treetop/compiler/metagrammar.rb', line 1031

def _nt_parsing_expression
  start_index = index
  if node_cache[:parsing_expression].has_key?(index)
    cached = node_cache[:parsing_expression][index]
    if cached
      node_cache[:parsing_expression][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_choice
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_sequence
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      r3 = _nt_primary
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:parsing_expression][start_index] = r0

  r0
end

#_nt_parsing_ruleObject


940
941
942
943
944
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
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
# File 'lib/treetop/compiler/metagrammar.rb', line 940

def _nt_parsing_rule
  start_index = index
  if node_cache[:parsing_rule].has_key?(index)
    cached = node_cache[:parsing_rule][index]
    if cached
      node_cache[:parsing_rule][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('rule', false, index))
    r1 = instantiate_node(SyntaxNode,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'rule\'')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_space
    s0 << r2
    if r2
      r3 = _nt_nonterminal
      s0 << r3
      if r3
        r4 = _nt_space
        s0 << r4
        if r4
          i6, s6 = index, []
          if (match_len = has_terminal?('do', false, index))
            r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
            @index += match_len
          else
            terminal_parse_failure('\'do\'')
            r7 = nil
          end
          s6 << r7
          if r7
            r8 = _nt_space
            s6 << r8
          end
          if s6.last
            r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
            r6.extend(ParsingRule0)
          else
            @index = i6
            r6 = nil
          end
          if r6
            r5 = r6
          else
            r5 = instantiate_node(SyntaxNode,input, index...index)
          end
          s0 << r5
          if r5
            r9 = _nt_parsing_expression
            s0 << r9
            if r9
              r10 = _nt_space
              s0 << r10
              if r10
                if (match_len = has_terminal?('end', false, index))
                  r11 = instantiate_node(SyntaxNode,input, index...(index + match_len))
                  @index += match_len
                else
                  terminal_parse_failure('\'end\'')
                  r11 = nil
                end
                s0 << r11
              end
            end
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(ParsingRule,input, i0...index, s0)
    r0.extend(ParsingRule1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:parsing_rule][start_index] = r0

  r0
end

#_nt_predicate_blockObject


3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
# File 'lib/treetop/compiler/metagrammar.rb', line 3751

def _nt_predicate_block
  start_index = index
  if node_cache[:predicate_block].has_key?(index)
    cached = node_cache[:predicate_block][index]
    if cached
      node_cache[:predicate_block][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?('', false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('\'\'')
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_inline_module
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(PredicateBlock,input, i0...index, s0)
    r0.extend(PredicateBlock0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:predicate_block][start_index] = r0

  r0
end

#_nt_prefixObject


2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
# File 'lib/treetop/compiler/metagrammar.rb', line 2437

def _nt_prefix
  start_index = index
  if node_cache[:prefix].has_key?(index)
    cached = node_cache[:prefix][index]
    if cached
      node_cache[:prefix][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  if (match_len = has_terminal?('&', false, index))
    r1 = instantiate_node(AndPredicate,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'&\'')
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('!', false, index))
      r2 = instantiate_node(NotPredicate,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('\'!\'')
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      if (match_len = has_terminal?('~', false, index))
        r3 = instantiate_node(TransientPrefix,input, index...(index + match_len))
        @index += match_len
      else
        terminal_parse_failure('\'~\'')
        r3 = nil
      end
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:prefix][start_index] = r0

  r0
end

#_nt_primaryObject


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
# File 'lib/treetop/compiler/metagrammar.rb', line 1589

def _nt_primary
  start_index = index
  if node_cache[:primary].has_key?(index)
    cached = node_cache[:primary][index]
    if cached
      node_cache[:primary][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_prefix
  s1 << r2
  if r2
    r3 = _nt_atomic
    s1 << r3
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(Primary0)
    r1.extend(Primary1)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    i4, s4 = index, []
    r5 = _nt_prefix
    s4 << r5
    if r5
      r7 = _nt_space
      if r7
        r6 = r7
      else
        r6 = instantiate_node(SyntaxNode,input, index...index)
      end
      s4 << r6
      if r6
        r8 = _nt_predicate_block
        s4 << r8
      end
    end
    if s4.last
      r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      r4.extend(Primary2)
      r4.extend(Primary3)
    else
      @index = i4
      r4 = nil
    end
    if r4
      r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
      r0 = r4
    else
      i9, s9 = index, []
      r10 = _nt_atomic
      s9 << r10
      if r10
        r11 = _nt_suffix
        s9 << r11
        if r11
          r12 = _nt_node_class_declarations
          s9 << r12
        end
      end
      if s9.last
        r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
        r9.extend(Primary4)
        r9.extend(Primary5)
      else
        @index = i9
        r9 = nil
      end
      if r9
        r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
        r0 = r9
      else
        i13, s13 = index, []
        r14 = _nt_atomic
        s13 << r14
        if r14
          r15 = _nt_node_class_declarations
          s13 << r15
        end
        if s13.last
          r13 = instantiate_node(SyntaxNode,input, i13...index, s13)
          r13.extend(Primary6)
          r13.extend(Primary7)
        else
          @index = i13
          r13 = nil
        end
        if r13
          r13 = SyntaxNode.new(input, (index-1)...index) if r13 == true
          r0 = r13
        else
          @index = i0
          r0 = nil
        end
      end
    end
  end

  node_cache[:primary][start_index] = r0

  r0
end

#_nt_quoted_stringObject


2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
# File 'lib/treetop/compiler/metagrammar.rb', line 2741

def _nt_quoted_string
  start_index = index
  if node_cache[:quoted_string].has_key?(index)
    cached = node_cache[:quoted_string][index]
    if cached
      node_cache[:quoted_string][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  i1 = index
  r2 = _nt_single_quoted_string
  if r2
    r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
    r1 = r2
  else
    r3 = _nt_double_quoted_string
    if r3
      r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
      r1 = r3
    else
      @index = i1
      r1 = nil
    end
  end
  s0 << r1
  if r1
    s4, i4 = [], index
    loop do
      if has_terminal?(@regexps[gr = '\A[ir]'] ||= Regexp.new(gr), :regexp, index)
        r5 = true
        @index += 1
      else
        terminal_parse_failure('[ir]')
        r5 = nil
      end
      if r5
        s4 << r5
      else
        break
      end
    end
    r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
    s0 << r4
  end
  if s0.last
    r0 = instantiate_node(Terminal,input, i0...index, s0)
    r0.extend(QuotedString0)
    r0.extend(QuotedString1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:quoted_string][start_index] = r0

  r0
end

#_nt_repetition_suffixObject


2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
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
# File 'lib/treetop/compiler/metagrammar.rb', line 2297

def _nt_repetition_suffix
  start_index = index
  if node_cache[:repetition_suffix].has_key?(index)
    cached = node_cache[:repetition_suffix][index]
    if cached
      node_cache[:repetition_suffix][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  if (match_len = has_terminal?('+', false, index))
    r1 = instantiate_node(OneOrMore,input, index...(index + match_len))
    @index += match_len
  else
    terminal_parse_failure('\'+\'')
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('*', false, index))
      r2 = instantiate_node(ZeroOrMore,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('\'*\'')
      r2 = nil
    end
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      r3 = _nt_occurrence_range
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:repetition_suffix][start_index] = r0

  r0
end

#_nt_require_statementObject


127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
# File 'lib/treetop/compiler/metagrammar.rb', line 127

def _nt_require_statement
  start_index = index
  if node_cache[:require_statement].has_key?(index)
    cached = node_cache[:require_statement][index]
    if cached
      node_cache[:require_statement][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r2 = _nt_space
  if r2
    r1 = r2
  else
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    if (match_len = has_terminal?("require", false, index))
      r3 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      @index += match_len
    else
      terminal_parse_failure('"require"')
      r3 = nil
    end
    s0 << r3
    if r3
      s4, i4 = [], index
      loop do
        if has_terminal?(@regexps[gr = '\A[ \\t]'] ||= Regexp.new(gr), :regexp, index)
          r5 = true
          @index += 1
        else
          terminal_parse_failure('[ \\t]')
          r5 = nil
        end
        if r5
          s4 << r5
        else
          break
        end
      end
      if s4.empty?
        @index = i4
        r4 = nil
      else
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      end
      s0 << r4
      if r4
        s6, i6 = [], index
        loop do
          if has_terminal?(@regexps[gr = '\A[^\\n\\r]'] ||= Regexp.new(gr), :regexp, index)
            r7 = true
            @index += 1
          else
            terminal_parse_failure('[^\\n\\r]')
            r7 = nil
          end
          if r7
            s6 << r7
          else
            break
          end
        end
        if s6.empty?
          @index = i6
          r6 = nil
        else
          r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
        end
        s0 << r6
        if r6
          if has_terminal?(@regexps[gr = '\A[\\n\\r]'] ||= Regexp.new(gr), :regexp, index)
            r8 = true
            @index += 1
          else
            terminal_parse_failure('[\\n\\r]')
            r8 = nil
          end
          s0 << r8
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(RequireStatement0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:require_statement][start_index] = r0

  r0
end

#_nt_sequenceObject


1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
# File 'lib/treetop/compiler/metagrammar.rb', line 1228

def _nt_sequence
  start_index = index
  if node_cache[:sequence].has_key?(index)
    cached = node_cache[:sequence][index]
    if cached
      node_cache[:sequence][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_sequence_body
  s0 << r1
  if r1
    r2 = _nt_node_class_declarations
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(Sequence,input, i0...index, s0)
    r0.extend(Sequence0)
    r0.extend(Sequence1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:sequence][start_index] = r0

  r0
end

#_nt_sequence_bodyObject


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
# File 'lib/treetop/compiler/metagrammar.rb', line 1260

def _nt_sequence_body
  start_index = index
  if node_cache[:sequence_body].has_key?(index)
    cached = node_cache[:sequence_body][index]
    if cached
      node_cache[:sequence_body][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_variable_length_sequence_body
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_labeled_expression_sequence_body
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:sequence_body][start_index] = r0

  r0
end

#_nt_sequence_primaryObject


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
# File 'lib/treetop/compiler/metagrammar.rb', line 2086

def _nt_sequence_primary
  start_index = index
  if node_cache[:sequence_primary].has_key?(index)
    cached = node_cache[:sequence_primary][index]
    if cached
      node_cache[:sequence_primary][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_prefix
  s1 << r2
  if r2
    r3 = _nt_atomic
    s1 << r3
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(SequencePrimary0)
    r1.extend(SequencePrimary1)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    i4, s4 = index, []
    r5 = _nt_prefix
    s4 << r5
    if r5
      r7 = _nt_space
      if r7
        r6 = r7
      else
        r6 = instantiate_node(SyntaxNode,input, index...index)
      end
      s4 << r6
      if r6
        r8 = _nt_predicate_block
        s4 << r8
      end
    end
    if s4.last
      r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      r4.extend(SequencePrimary2)
      r4.extend(SequencePrimary3)
    else
      @index = i4
      r4 = nil
    end
    if r4
      r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
      r0 = r4
    else
      i9, s9 = index, []
      r10 = _nt_atomic
      s9 << r10
      if r10
        r11 = _nt_suffix
        s9 << r11
      end
      if s9.last
        r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
        r9.extend(SequencePrimary4)
        r9.extend(SequencePrimary5)
      else
        @index = i9
        r9 = nil
      end
      if r9
        r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
        r0 = r9
      else
        r12 = _nt_atomic
        if r12
          r12 = SyntaxNode.new(input, (index-1)...index) if r12 == true
          r0 = r12
        else
          @index = i0
          r0 = nil
        end
      end
    end
  end

  node_cache[:sequence_primary][start_index] = r0

  r0
end

#_nt_single_quoted_stringObject


2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
# File 'lib/treetop/compiler/metagrammar.rb', line 2945

def _nt_single_quoted_string
  start_index = index
  if node_cache[:single_quoted_string].has_key?(index)
    cached = node_cache[:single_quoted_string][index]
    if cached
      node_cache[:single_quoted_string][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  if (match_len = has_terminal?("'", false, index))
    r1 = true
    @index += match_len
  else
    terminal_parse_failure('"\'"')
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      i4 = index
      if (match_len = has_terminal?("'", false, index))
        r5 = true
        @index += match_len
      else
        terminal_parse_failure('"\'"')
        r5 = nil
      end
      if r5
        @index = i4
        r4 = nil
        terminal_parse_failure('"\'"', true)
      else
        @terminal_failures.pop
        @index = i4
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        i6 = index
        if (match_len = has_terminal?("\\\\", false, index))
          r7 = instantiate_node(SyntaxNode,input, index...(index + match_len))
          @index += match_len
        else
          terminal_parse_failure('"\\\\\\\\"')
          r7 = nil
        end
        if r7
          r7 = SyntaxNode.new(input, (index-1)...index) if r7 == true
          r6 = r7
        else
          if (match_len = has_terminal?("\\'", false, index))
            r8 = instantiate_node(SyntaxNode,input, index...(index + match_len))
            @index += match_len
          else
            terminal_parse_failure('"\\\\\'"')
            r8 = nil
          end
          if r8
            r8 = SyntaxNode.new(input, (index-1)...index) if r8 == true
            r6 = r8
          else
            if index < input_length
              r9 = true
              @index += 1
            else
              terminal_parse_failure("any character")
              r9 = nil
            end
            if r9
              r9 = SyntaxNode.new(input, (index-1)...index) if r9 == true
              r6 = r9
            else
              @index = i6
              r6 = nil
            end
          end
        end
        s3 << r6
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(SingleQuotedString0)
      else
        @index = i3
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
    if r2
      if (match_len = has_terminal?("'", false, index))
        r10 = true
        @index += match_len
      else
        terminal_parse_failure('"\'"')
        r10 = nil
      end
      s0 << r10
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(SingleQuotedString1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:single_quoted_string][start_index] = r0

  r0
end

#_nt_spaceObject


4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
# File 'lib/treetop/compiler/metagrammar.rb', line 4077

def _nt_space
  start_index = index
  if node_cache[:space].has_key?(index)
    cached = node_cache[:space][index]
    if cached
      node_cache[:space][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  s0, i0 = [], index
  loop do
    i1 = index
    r2 = _nt_white
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r1 = r2
    else
      r3 = _nt_comment_to_eol
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r1 = r3
      else
        @index = i1
        r1 = nil
      end
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  if s0.empty?
    @index = i0
    r0 = nil
  else
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
  end

  node_cache[:space][start_index] = r0

  r0
end

#_nt_suffixObject


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
# File 'lib/treetop/compiler/metagrammar.rb', line 2181

def _nt_suffix
  start_index = index
  if node_cache[:suffix].has_key?(index)
    cached = node_cache[:suffix][index]
    if cached
      node_cache[:suffix][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_repetition_suffix
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_optional_suffix
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:suffix][start_index] = r0

  r0
end

#_nt_terminalObject


2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
# File 'lib/treetop/compiler/metagrammar.rb', line 2687

def _nt_terminal
  start_index = index
  if node_cache[:terminal].has_key?(index)
    cached = node_cache[:terminal][index]
    if cached
      node_cache[:terminal][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  r1 = _nt_quoted_string
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    r2 = _nt_character_class
    if r2
      r2 = SyntaxNode.new(input, (index-1)...index) if r2 == true
      r0 = r2
    else
      r3 = _nt_anything_symbol
      if r3
        r3 = SyntaxNode.new(input, (index-1)...index) if r3 == true
        r0 = r3
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:terminal][start_index] = r0

  r0
end

#_nt_trailing_inline_moduleObject


3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
# File 'lib/treetop/compiler/metagrammar.rb', line 3692

def _nt_trailing_inline_module
  start_index = index
  if node_cache[:trailing_inline_module].has_key?(index)
    cached = node_cache[:trailing_inline_module][index]
    if cached
      node_cache[:trailing_inline_module][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_space
  s1 << r2
  if r2
    r3 = _nt_inline_module
    s1 << r3
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(TrailingInlineModule0)
    r1.extend(TrailingInlineModule1)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r1 = SyntaxNode.new(input, (index-1)...index) if r1 == true
    r0 = r1
  else
    if (match_len = has_terminal?('', false, index))
      r4 = instantiate_node(SyntaxNode,input, index...(index + match_len))
      r4.extend(TrailingInlineModule2)
      @index += match_len
    else
      terminal_parse_failure('\'\'')
      r4 = nil
    end
    if r4
      r4 = SyntaxNode.new(input, (index-1)...index) if r4 == true
      r0 = r4
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:trailing_inline_module][start_index] = r0

  r0
end

#_nt_treetop_fileObject


43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
# File 'lib/treetop/compiler/metagrammar.rb', line 43

def _nt_treetop_file
  start_index = index
  if node_cache[:treetop_file].has_key?(index)
    cached = node_cache[:treetop_file][index]
    if cached
      node_cache[:treetop_file][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  s1, i1 = [], index
  loop do
    i2, s2 = index, []
    r4 = _nt_space
    if r4
      r3 = r4
    else
      r3 = instantiate_node(SyntaxNode,input, index...index)
    end
    s2 << r3
    if r3
      r5 = _nt_require_statement
      s2 << r5
    end
    if s2.last
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
      r2.extend(TreetopFile0)
    else
      @index = i2
      r2 = nil
    end
    if r2
      s1 << r2
    else
      break
    end
  end
  r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
  s0 << r1
  if r1
    r7 = _nt_space
    if r7
      r6 = r7
    else
      r6 = instantiate_node(SyntaxNode,input, index...index)
    end
    s0 << r6
    if r6
      r8 = _nt_module_or_grammar
      s0 << r8
      if r8
        r10 = _nt_space
        if r10
          r9 = r10
        else
          r9 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r9
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(TreetopFile1)
    r0.extend(TreetopFile2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:treetop_file][start_index] = r0

  r0
end

#_nt_unlabeled_sequence_primaryObject


1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
# File 'lib/treetop/compiler/metagrammar.rb', line 1826

def _nt_unlabeled_sequence_primary
  start_index = index
  if node_cache[:unlabeled_sequence_primary].has_key?(index)
    cached = node_cache[:unlabeled_sequence_primary][index]
    if cached
      node_cache[:unlabeled_sequence_primary][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_null_label
  s0 << r1
  if r1
    r2 = _nt_sequence_primary
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(UnlabeledSequencePrimary0)
    r0.extend(UnlabeledSequencePrimary1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:unlabeled_sequence_primary][start_index] = r0

  r0
end

#_nt_variable_length_sequence_bodyObject


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
# File 'lib/treetop/compiler/metagrammar.rb', line 1318

def _nt_variable_length_sequence_body
  start_index = index
  if node_cache[:variable_length_sequence_body].has_key?(index)
    cached = node_cache[:variable_length_sequence_body][index]
    if cached
      node_cache[:variable_length_sequence_body][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_optionally_labeled_sequence_primary
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      r4 = _nt_space
      s3 << r4
      if r4
        r5 = _nt_optionally_labeled_sequence_primary
        s3 << r5
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(VariableLengthSequenceBody0)
      else
        @index = i3
        r3 = nil
      end
      if r3
        s2 << r3
      else
        break
      end
    end
    if s2.empty?
      @index = i2
      r2 = nil
    else
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    end
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(VariableLengthSequenceBody1)
    r0.extend(VariableLengthSequenceBody2)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:variable_length_sequence_body][start_index] = r0

  r0
end

#_nt_whiteObject


4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
# File 'lib/treetop/compiler/metagrammar.rb', line 4210

def _nt_white
  start_index = index
  if node_cache[:white].has_key?(index)
    cached = node_cache[:white][index]
    if cached
      node_cache[:white][index] = cached = SyntaxNode.new(input, index...(index + 1)) if cached == true
      @index = cached.interval.end
    end
    return cached
  end

  if has_terminal?(@regexps[gr = '\A[ \\t\\n\\r]'] ||= Regexp.new(gr), :regexp, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('[ \\t\\n\\r]')
    r0 = nil
  end

  node_cache[:white][start_index] = r0

  r0
end

#rootObject


9
10
11
# File 'lib/treetop/compiler/metagrammar.rb', line 9

def root
  @root ||= :treetop_file
end