Module: JSONSelect::Selector

Includes:
Treetop::Runtime
Included in:
SelectorParser
Defined in:
lib/json_select/selector_parser.rb

Defined Under Namespace

Modules: Combinator0, Escape0, Expression0, Expression1, Expression2, Hash0, Hash1, JsonChars0, JsonString0, Name0, Pseudo0, Pseudo1, Pseudo2, Selector0, Selector1, SelectorsGroup0, SelectorsGroup1, SimpleSelectorSequence0

Instance Method Summary collapse

Instance Method Details

#_nt_combinator ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 215

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

  i0 = index
  i1, s1 = index, []
  s2, i2 = [], index
  loop do
    r3 = _nt_ws
    if r3
      s2 << r3
    else
      break
    end
  end
  r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
  s1 << r2
  if r2
    if has_terminal?('>', false, index)
      r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure('>')
      r4 = nil
    end
    s1 << r4
    if r4
      s5, i5 = [], index
      loop do
        r6 = _nt_ws
        if r6
          s5 << r6
        else
          break
        end
      end
      r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
      s1 << r5
    end
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(Combinator0)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    s7, i7 = [], index
    loop do
      r8 = _nt_ws
      if r8
        s7 << r8
      else
        break
      end
    end
    if s7.empty?
      @index = i7
      r7 = nil
    else
      r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
    end
    if r7
      r0 = r7
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:combinator][start_index] = r0

  r0
end

#_nt_escape ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1464

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

  i0, s0 = index, []
  if has_terminal?('\G[\\\\]', true, index)
    r1 = true
    @index += 1
  else
    r1 = nil
  end
  s0 << r1
  if r1
    if has_terminal?('\G[^\\r\\n\\f0-9a-fA-F]', true, index)
      r2 = true
      @index += 1
    else
      r2 = nil
    end
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(Escape0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:escape][start_index] = r0

  r0
end

#_nt_expression ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1017

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

  i0 = index
  if has_terminal?('odd', false, index)
    r1 = instantiate_node(JSONSelect::Ast::OddExpr,input, index...(index + 3))
    @index += 3
  else
    terminal_parse_failure('odd')
    r1 = nil
  end
  if r1
    r0 = r1
  else
    if has_terminal?('even', false, index)
      r2 = instantiate_node(JSONSelect::Ast::EvenExpr,input, index...(index + 4))
      @index += 4
    else
      terminal_parse_failure('even')
      r2 = nil
    end
    if r2
      r0 = r2
    else
      i3, s3 = index, []
      if has_terminal?('\G[+-]', true, index)
        r5 = true
        @index += 1
      else
        r5 = nil
      end
      if r5
        r4 = r5
      else
        r4 = instantiate_node(SyntaxNode,input, index...index)
      end
      s3 << r4
      if r4
        s6, i6 = [], index
        loop do
          if has_terminal?('\G[0-9]', true, index)
            r7 = true
            @index += 1
          else
            r7 = nil
          end
          if r7
            s6 << r7
          else
            break
          end
        end
        r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
        s3 << r6
        if r6
          if has_terminal?('n', false, index)
            r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure('n')
            r8 = nil
          end
          s3 << r8
          if r8
            s9, i9 = [], index
            loop do
              r10 = _nt_ws
              if r10
                s9 << r10
              else
                break
              end
            end
            r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
            s3 << r9
            if r9
              i12, s12 = index, []
              if has_terminal?('\G[+-]', true, index)
                r13 = true
                @index += 1
              else
                r13 = nil
              end
              s12 << r13
              if r13
                s14, i14 = [], index
                loop do
                  r15 = _nt_ws
                  if r15
                    s14 << r15
                  else
                    break
                  end
                end
                r14 = instantiate_node(SyntaxNode,input, i14...index, s14)
                s12 << r14
                if r14
                  if has_terminal?('\G[0-9]', true, index)
                    r16 = true
                    @index += 1
                  else
                    r16 = nil
                  end
                  s12 << r16
                end
              end
              if s12.last
                r12 = instantiate_node(SyntaxNode,input, i12...index, s12)
                r12.extend(Expression0)
              else
                @index = i12
                r12 = nil
              end
              if r12
                r11 = r12
              else
                r11 = instantiate_node(SyntaxNode,input, index...index)
              end
              s3 << r11
            end
          end
        end
      end
      if s3.last
        r3 = instantiate_node(JSONSelect::Ast::ComplexExpr,input, i3...index, s3)
        r3.extend(Expression1)
      else
        @index = i3
        r3 = nil
      end
      if r3
        r0 = r3
      else
        i17, s17 = index, []
        if has_terminal?('\G[+-]', true, index)
          r19 = true
          @index += 1
        else
          r19 = nil
        end
        if r19
          r18 = r19
        else
          r18 = instantiate_node(SyntaxNode,input, index...index)
        end
        s17 << r18
        if r18
          s20, i20 = [], index
          loop do
            if has_terminal?('\G[0-9]', true, index)
              r21 = true
              @index += 1
            else
              r21 = nil
            end
            if r21
              s20 << r21
            else
              break
            end
          end
          if s20.empty?
            @index = i20
            r20 = nil
          else
            r20 = instantiate_node(SyntaxNode,input, i20...index, s20)
          end
          s17 << r20
        end
        if s17.last
          r17 = instantiate_node(JSONSelect::Ast::SimpleExpr,input, i17...index, s17)
          r17.extend(Expression2)
        else
          @index = i17
          r17 = nil
        end
        if r17
          r0 = r17
        else
          @index = i0
          r0 = nil
        end
      end
    end
  end

  node_cache[:expression][start_index] = r0

  r0
end

#_nt_hash ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 540

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

  i0 = index
  i1, s1 = index, []
  if has_terminal?('.', false, index)
    r2 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('.')
    r2 = nil
  end
  s1 << r2
  if r2
    r3 = _nt_name
    s1 << r3
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(Hash0)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r0 = r1
    r0.extend(JSONSelect::Ast::HashSelector)
  else
    i4, s4 = index, []
    if has_terminal?('.', false, index)
      r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure('.')
      r5 = nil
    end
    s4 << r5
    if r5
      r6 = _nt_json_string
      s4 << r6
    end
    if s4.last
      r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      r4.extend(Hash1)
    else
      @index = i4
      r4 = nil
    end
    if r4
      r0 = r4
      r0.extend(JSONSelect::Ast::HashSelector)
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:hash][start_index] = r0

  r0
end

#_nt_json_chars ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1276

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

  i0 = index
  if has_terminal?('\G[^\\\\"]', true, index)
    r1 = true
    @index += 1
  else
    r1 = nil
  end
  if r1
    r0 = r1
  else
    i2, s2 = index, []
    if has_terminal?('\G[\\\\]', true, index)
      r3 = true
      @index += 1
    else
      r3 = nil
    end
    s2 << r3
    if r3
      if has_terminal?('\G["\\\\/bfnrt]', true, index)
        r4 = true
        @index += 1
      else
        r4 = nil
      end
      s2 << r4
    end
    if s2.last
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
      r2.extend(JsonChars0)
    else
      @index = i2
      r2 = nil
    end
    if r2
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:json_chars][start_index] = r0

  r0
end

#_nt_json_string ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1219

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

  i0, s0 = index, []
  if has_terminal?('\G["]', true, index)
    r1 = true
    @index += 1
  else
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      r3 = _nt_json_chars
      if r3
        s2 << r3
      else
        break
      end
    end
    r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
    s0 << r2
    if r2
      if has_terminal?('\G["]', true, index)
        r4 = true
        @index += 1
      else
        r4 = nil
      end
      s0 << r4
    end
  end
  if s0.last
    r0 = instantiate_node(SyntaxNode,input, i0...index, s0)
    r0.extend(JsonString0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:json_string][start_index] = r0

  r0
end

#_nt_name ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1341

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

  i0, s0 = index, []
  r1 = _nt_nmstart
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      r3 = _nt_nmchar
      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(Name0)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:name][start_index] = r0

  r0
end

#_nt_nmchar ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1421

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

  i0 = index
  if has_terminal?('\G[_a-zA-Z0-9-]', true, index)
    r1 = true
    @index += 1
  else
    r1 = nil
  end
  if r1
    r0 = r1
  else
    r2 = _nt_escape
    if r2
      r0 = r2
    else
      r3 = _nt_nonascii
      if r3
        r0 = r3
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:nmchar][start_index] = r0

  r0
end

#_nt_nmstart ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1381

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

  i0 = index
  r1 = _nt_escape
  if r1
    r0 = r1
  else
    if has_terminal?('\G[_a-zA-Z]', true, index)
      r2 = true
      @index += 1
    else
      r2 = nil
    end
    if r2
      r0 = r2
    else
      r3 = _nt_nonascii
      if r3
        r0 = r3
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:nmstart][start_index] = r0

  r0
end

#_nt_nonascii ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1505

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

  if has_terminal?('\G[^\\0-0177]', true, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    r0 = nil
  end

  node_cache[:nonascii][start_index] = r0

  r0
end

#_nt_positional_pseudo_function_name ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 931

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

  i0 = index
  if has_terminal?('nth-child', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 9))
    @index += 9
  else
    terminal_parse_failure('nth-child')
    r1 = nil
  end
  if r1
    r0 = r1
  else
    if has_terminal?('nth-last-child', false, index)
      r2 = instantiate_node(SyntaxNode,input, index...(index + 14))
      @index += 14
    else
      terminal_parse_failure('nth-last-child')
      r2 = nil
    end
    if r2
      r0 = r2
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:positional_pseudo_function_name][start_index] = r0

  r0
end

#_nt_pseudo ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 638

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

  i0 = index
  i1, s1 = index, []
  if has_terminal?(':', false, index)
    r2 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure(':')
    r2 = nil
  end
  s1 << r2
  if r2
    r3 = _nt_pseudo_class_name
    s1 << r3
  end
  if s1.last
    r1 = instantiate_node(JSONSelect::Ast::PseudoSelector,input, i1...index, s1)
    r1.extend(Pseudo0)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    i4, s4 = index, []
    if has_terminal?(':', false, index)
      r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure(':')
      r5 = nil
    end
    s4 << r5
    if r5
      r6 = _nt_positional_pseudo_function_name
      s4 << r6
      if r6
        s7, i7 = [], index
        loop do
          r8 = _nt_ws
          if r8
            s7 << r8
          else
            break
          end
        end
        r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
        s4 << r7
        if r7
          if has_terminal?('(', false, index)
            r9 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure('(')
            r9 = nil
          end
          s4 << r9
          if r9
            s10, i10 = [], index
            loop do
              r11 = _nt_ws
              if r11
                s10 << r11
              else
                break
              end
            end
            r10 = instantiate_node(SyntaxNode,input, i10...index, s10)
            s4 << r10
            if r10
              r12 = _nt_expression
              s4 << r12
              if r12
                s13, i13 = [], index
                loop do
                  r14 = _nt_ws
                  if r14
                    s13 << r14
                  else
                    break
                  end
                end
                r13 = instantiate_node(SyntaxNode,input, i13...index, s13)
                s4 << r13
                if r13
                  if has_terminal?(')', false, index)
                    r15 = instantiate_node(SyntaxNode,input, index...(index + 1))
                    @index += 1
                  else
                    terminal_parse_failure(')')
                    r15 = nil
                  end
                  s4 << r15
                end
              end
            end
          end
        end
      end
    end
    if s4.last
      r4 = instantiate_node(JSONSelect::Ast::PseudoSelector,input, i4...index, s4)
      r4.extend(Pseudo1)
    else
      @index = i4
      r4 = nil
    end
    if r4
      r0 = r4
    else
      i16, s16 = index, []
      if has_terminal?(':', false, index)
        r17 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure(':')
        r17 = nil
      end
      s16 << r17
      if r17
        r18 = _nt_subselector_pseudo_function_name
        s16 << r18
        if r18
          s19, i19 = [], index
          loop do
            r20 = _nt_ws
            if r20
              s19 << r20
            else
              break
            end
          end
          r19 = instantiate_node(SyntaxNode,input, i19...index, s19)
          s16 << r19
          if r19
            if has_terminal?('(', false, index)
              r21 = instantiate_node(SyntaxNode,input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure('(')
              r21 = nil
            end
            s16 << r21
            if r21
              s22, i22 = [], index
              loop do
                r23 = _nt_ws
                if r23
                  s22 << r23
                else
                  break
                end
              end
              r22 = instantiate_node(SyntaxNode,input, i22...index, s22)
              s16 << r22
              if r22
                r24 = _nt_selectors_group
                s16 << r24
                if r24
                  s25, i25 = [], index
                  loop do
                    r26 = _nt_ws
                    if r26
                      s25 << r26
                    else
                      break
                    end
                  end
                  r25 = instantiate_node(SyntaxNode,input, i25...index, s25)
                  s16 << r25
                  if r25
                    if has_terminal?(')', false, index)
                      r27 = instantiate_node(SyntaxNode,input, index...(index + 1))
                      @index += 1
                    else
                      terminal_parse_failure(')')
                      r27 = nil
                    end
                    s16 << r27
                  end
                end
              end
            end
          end
        end
      end
      if s16.last
        r16 = instantiate_node(JSONSelect::Ast::PseudoSelector,input, i16...index, s16)
        r16.extend(Pseudo2)
      else
        @index = i16
        r16 = nil
      end
      if r16
        r0 = r16
      else
        @index = i0
        r0 = nil
      end
    end
  end

  node_cache[:pseudo][start_index] = r0

  r0
end

#_nt_pseudo_class_name ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 856

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

  i0 = index
  if has_terminal?('root', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 4))
    @index += 4
  else
    terminal_parse_failure('root')
    r1 = nil
  end
  if r1
    r0 = r1
  else
    if has_terminal?('first-child', false, index)
      r2 = instantiate_node(SyntaxNode,input, index...(index + 11))
      @index += 11
    else
      terminal_parse_failure('first-child')
      r2 = nil
    end
    if r2
      r0 = r2
    else
      if has_terminal?('last-child', false, index)
        r3 = instantiate_node(SyntaxNode,input, index...(index + 10))
        @index += 10
      else
        terminal_parse_failure('last-child')
        r3 = nil
      end
      if r3
        r0 = r3
      else
        if has_terminal?('only-child', false, index)
          r4 = instantiate_node(SyntaxNode,input, index...(index + 10))
          @index += 10
        else
          terminal_parse_failure('only-child')
          r4 = nil
        end
        if r4
          r0 = r4
        else
          if has_terminal?('empty', false, index)
            r5 = instantiate_node(SyntaxNode,input, index...(index + 5))
            @index += 5
          else
            terminal_parse_failure('empty')
            r5 = nil
          end
          if r5
            r0 = r5
          else
            @index = i0
            r0 = nil
          end
        end
      end
    end
  end

  node_cache[:pseudo_class_name][start_index] = r0

  r0
end

#_nt_selector ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 159

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

  i0, s0 = index, []
  r1 = _nt_simple_selector_sequence
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      r4 = _nt_combinator
      s3 << r4
      if r4
        r5 = _nt_simple_selector_sequence
        s3 << r5
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(Selector0)
      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(JSONSelect::Ast::CombinationSelector,input, i0...index, s0)
    r0.extend(Selector1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:selector][start_index] = r0

  r0
end

#_nt_selectors_group ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 28

def _nt_selectors_group
  start_index = index
  if node_cache[:selectors_group].has_key?(index)
    cached = node_cache[:selectors_group][index]
    if cached
      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
    r2 = _nt_ws
    if r2
      s1 << r2
    else
      break
    end
  end
  r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
  s0 << r1
  if r1
    r3 = _nt_selector
    s0 << r3
    if r3
      s4, i4 = [], index
      loop do
        i5, s5 = index, []
        s6, i6 = [], index
        loop do
          r7 = _nt_ws
          if r7
            s6 << r7
          else
            break
          end
        end
        r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
        s5 << r6
        if r6
          if has_terminal?(',', false, index)
            r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure(',')
            r8 = nil
          end
          s5 << r8
          if r8
            s9, i9 = [], index
            loop do
              r10 = _nt_ws
              if r10
                s9 << r10
              else
                break
              end
            end
            r9 = instantiate_node(SyntaxNode,input, i9...index, s9)
            s5 << r9
            if r9
              r11 = _nt_selector
              s5 << r11
            end
          end
        end
        if s5.last
          r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
          r5.extend(SelectorsGroup0)
        else
          @index = i5
          r5 = nil
        end
        if r5
          s4 << r5
        else
          break
        end
      end
      r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
      s0 << r4
      if r4
        s12, i12 = [], index
        loop do
          r13 = _nt_ws
          if r13
            s12 << r13
          else
            break
          end
        end
        r12 = instantiate_node(SyntaxNode,input, i12...index, s12)
        s0 << r12
      end
    end
  end
  if s0.last
    r0 = instantiate_node(JSONSelect::Ast::SelectorGroup,input, i0...index, s0)
    r0.extend(SelectorsGroup1)
  else
    @index = i0
    r0 = nil
  end

  node_cache[:selectors_group][start_index] = r0

  r0
end

#_nt_simple_selector_sequence ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 310

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

  i0 = index
  i1, s1 = index, []
  i2 = index
  r3 = _nt_type_selector
  if r3
    r2 = r3
  else
    r4 = _nt_universal
    if r4
      r2 = r4
    else
      @index = i2
      r2 = nil
    end
  end
  s1 << r2
  if r2
    s5, i5 = [], index
    loop do
      i6 = index
      r7 = _nt_hash
      if r7
        r6 = r7
      else
        r8 = _nt_pseudo
        if r8
          r6 = r8
        else
          @index = i6
          r6 = nil
        end
      end
      if r6
        s5 << r6
      else
        break
      end
    end
    r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
    s1 << r5
  end
  if s1.last
    r1 = instantiate_node(JSONSelect::Ast::SimpleSelector,input, i1...index, s1)
    r1.extend(SimpleSelectorSequence0)
  else
    @index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    s9, i9 = [], index
    loop do
      i10 = index
      r11 = _nt_hash
      if r11
        r10 = r11
      else
        r12 = _nt_pseudo
        if r12
          r10 = r12
        else
          @index = i10
          r10 = nil
        end
      end
      if r10
        s9 << r10
      else
        break
      end
    end
    if s9.empty?
      @index = i9
      r9 = nil
    else
      r9 = instantiate_node(JSONSelect::Ast::SimpleSelector,input, i9...index, s9)
    end
    if r9
      r0 = r9
    else
      @index = i0
      r0 = nil
    end
  end

  node_cache[:simple_selector_sequence][start_index] = r0

  r0
end

#_nt_subselector_pseudo_function_name ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 973

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

  if has_terminal?('has', false, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 3))
    @index += 3
  else
    terminal_parse_failure('has')
    r0 = nil
  end

  node_cache[:subselector_pseudo_function_name][start_index] = r0

  r0
end

#_nt_type_selector ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 412

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

  i0 = index
  if has_terminal?('object', false, index)
    r1 = instantiate_node(SyntaxNode,input, index...(index + 6))
    @index += 6
  else
    terminal_parse_failure('object')
    r1 = nil
  end
  if r1
    r0 = r1
    r0.extend(JSONSelect::Ast::TypeSelector)
  else
    if has_terminal?('array', false, index)
      r2 = instantiate_node(SyntaxNode,input, index...(index + 5))
      @index += 5
    else
      terminal_parse_failure('array')
      r2 = nil
    end
    if r2
      r0 = r2
      r0.extend(JSONSelect::Ast::TypeSelector)
    else
      if has_terminal?('number', false, index)
        r3 = instantiate_node(SyntaxNode,input, index...(index + 6))
        @index += 6
      else
        terminal_parse_failure('number')
        r3 = nil
      end
      if r3
        r0 = r3
        r0.extend(JSONSelect::Ast::TypeSelector)
      else
        if has_terminal?('string', false, index)
          r4 = instantiate_node(SyntaxNode,input, index...(index + 6))
          @index += 6
        else
          terminal_parse_failure('string')
          r4 = nil
        end
        if r4
          r0 = r4
          r0.extend(JSONSelect::Ast::TypeSelector)
        else
          if has_terminal?('boolean', false, index)
            r5 = instantiate_node(SyntaxNode,input, index...(index + 7))
            @index += 7
          else
            terminal_parse_failure('boolean')
            r5 = nil
          end
          if r5
            r0 = r5
            r0.extend(JSONSelect::Ast::TypeSelector)
          else
            if has_terminal?('null', false, index)
              r6 = instantiate_node(SyntaxNode,input, index...(index + 4))
              @index += 4
            else
              terminal_parse_failure('null')
              r6 = nil
            end
            if r6
              r0 = r6
              r0.extend(JSONSelect::Ast::TypeSelector)
            else
              @index = i0
              r0 = nil
            end
          end
        end
      end
    end
  end

  node_cache[:type_selector][start_index] = r0

  r0
end

#_nt_universal ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 504

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

  if has_terminal?('*', false, index)
    r0 = instantiate_node(JSONSelect::Ast::UniversalSelector,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure('*')
    r0 = nil
  end

  node_cache[:universal][start_index] = r0

  r0
end

#_nt_ws ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 1528

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

  if has_terminal?('\G[ \\t\\r\\n]', true, index)
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    r0 = nil
  end

  node_cache[:ws][start_index] = r0

  r0
end

#root ⇒ Object 



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# File 'lib/json_select/selector_parser.rb', line 7

def root
  @root ||= :selectors_group
end