Module: Siren::JsonQuery

Includes:
Treetop::Runtime
Included in:
JsonQueryParser
Defined in:
lib/siren/json_query.rb,
lib/siren/json_query_nodes.rb

Defined Under Namespace

Modules: Addition, AllFilter, And, AndExpression0, Atom, Atom0, Atom1, Boolean, BooleanAtom, BooleanAtom0, BooleanAtom1, BooleanFilter, BooleanFilter0, Comparator, Comparison, Comparison0, Current, Division, Divmod, Divmod0, Equal, False, FieldAccess, FieldAccess0, FieldAccess1, FieldAccessExpression, FieldAccessExpression0, FieldAccessExpression1, Filter, GreaterThan, GreaterThanOrEqual, Identifier, LessThan, LessThanOrEqual, MapFilter, MapFilter0, Match, Multiplication, NotEqual, Null, Number, Number0, Number1, Number2, Number3, Or, OrExpression0, Product, Product0, Query, Query0, RecursiveAccess, RecursiveAccess0, Root, SliceAccess, SliceAccess0, SliceAccess1, SortFilter, SortFilter0, SortFilter1, SortFilter2, Sorter, Sorter0, String, String0, String1, String2, Subtraction, Sum, Sum0, Symbol, Symbol0, True

Instance Method Summary collapse

Instance Method Details

#_nt_add ⇒ Object 



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# File 'lib/siren/json_query.rb', line 703

def _nt_add
  start_index = index
  if node_cache[:add].has_key?(index)
    cached = node_cache[:add][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("+", index) == index
    r0 = instantiate_node(Addition,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("+")
    r0 = nil
  end

  node_cache[:add][start_index] = r0

  return r0
end

#_nt_all ⇒ Object 



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# File 'lib/siren/json_query.rb', line 2075

def _nt_all
  start_index = index
  if node_cache[:all].has_key?(index)
    cached = node_cache[:all][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("*", index) == index
    r0 = instantiate_node(AllFilter,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("*")
    r0 = nil
  end

  node_cache[:all][start_index] = r0

  return r0
end

#_nt_and_expression ⇒ Object 



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# File 'lib/siren/json_query.rb', line 153

def _nt_and_expression
  start_index = index
  if node_cache[:and_expression].has_key?(index)
    cached = node_cache[:and_expression][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_comparison
  s1 << r2
  if r2
    if input.index("&", index) == index
      r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("&")
      r3 = nil
    end
    s1 << r3
    if r3
      r4 = _nt_and_expression
      s1 << r4
    end
  end
  if s1.last
    r1 = instantiate_node(And,input, i1...index, s1)
    r1.extend(AndExpression0)
  else
    self.index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    r5 = _nt_comparison
    if r5
      r0 = r5
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:and_expression][start_index] = r0

  return r0
end

#_nt_atom ⇒ Object 



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# File 'lib/siren/json_query.rb', line 568

def _nt_atom
  start_index = index
  if node_cache[:atom].has_key?(index)
    cached = node_cache[:atom][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_space
  s0 << r1
  if r1
    i2 = index
    i3, s3 = index, []
    if input.index("(", index) == index
      r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("(")
      r4 = nil
    end
    s3 << r4
    if r4
      r5 = _nt_expression
      s3 << r5
      if r5
        if input.index(")", index) == index
          r6 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure(")")
          r6 = nil
        end
        s3 << r6
      end
    end
    if s3.last
      r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
      r3.extend(Atom0)
    else
      self.index = i3
      r3 = nil
    end
    if r3
      r2 = r3
    else
      r7 = _nt_query
      if r7
        r2 = r7
      else
        r8 = _nt_number
        if r8
          r2 = r8
        else
          r9 = _nt_string
          if r9
            r2 = r9
          else
            r10 = _nt_boolean
            if r10
              r2 = r10
            else
              r11 = _nt_null
              if r11
                r2 = r11
              else
                self.index = i2
                r2 = nil
              end
            end
          end
        end
      end
    end
    s0 << r2
    if r2
      r12 = _nt_space
      s0 << r12
    end
  end
  if s0.last
    r0 = instantiate_node(Atom,input, i0...index, s0)
    r0.extend(Atom1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:atom][start_index] = r0

  return r0
end

#_nt_boolean ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1403

def _nt_boolean
  start_index = index
  if node_cache[:boolean].has_key?(index)
    cached = node_cache[:boolean][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  r1 = _nt_true
  if r1
    r0 = r1
    r0.extend(Boolean)
  else
    r2 = _nt_false
    if r2
      r0 = r2
      r0.extend(Boolean)
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:boolean][start_index] = r0

  return r0
end

#_nt_boolean_atom ⇒ Object 



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# File 'lib/siren/json_query.rb', line 278

def _nt_boolean_atom
  start_index = index
  if node_cache[:boolean_atom].has_key?(index)
    cached = node_cache[:boolean_atom][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_space
  s0 << r1
  if r1
    i2 = index
    i3, s3 = index, []
    if input.index("(", index) == index
      r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("(")
      r4 = nil
    end
    s3 << r4
    if r4
      r5 = _nt_boolean_expression
      s3 << r5
      if r5
        if input.index(")", index) == index
          r6 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure(")")
          r6 = nil
        end
        s3 << r6
      end
    end
    if s3.last
      r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
      r3.extend(BooleanAtom0)
    else
      self.index = i3
      r3 = nil
    end
    if r3
      r2 = r3
    else
      r7 = _nt_boolean
      if r7
        r2 = r7
      else
        self.index = i2
        r2 = nil
      end
    end
    s0 << r2
    if r2
      r8 = _nt_space
      s0 << r8
    end
  end
  if s0.last
    r0 = instantiate_node(BooleanAtom,input, i0...index, s0)
    r0.extend(BooleanAtom1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:boolean_atom][start_index] = r0

  return r0
end

#_nt_boolean_expression ⇒ Object 



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# File 'lib/siren/json_query.rb', line 46

def _nt_boolean_expression
  start_index = index
  if node_cache[:boolean_expression].has_key?(index)
    cached = node_cache[:boolean_expression][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  r1 = _nt_or_expression
  if r1
    r0 = r1
  else
    r2 = _nt_and_expression
    if r2
      r0 = r2
    else
      r3 = _nt_comparison
      if r3
        r0 = r3
      else
        r4 = _nt_boolean_atom
        if r4
          r0 = r4
        else
          self.index = i0
          r0 = nil
        end
      end
    end
  end

  node_cache[:boolean_expression][start_index] = r0

  return r0
end

#_nt_boolean_filter ⇒ Object 



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# File 'lib/siren/json_query.rb', line 2107

def _nt_boolean_filter
  start_index = index
  if node_cache[:boolean_filter].has_key?(index)
    cached = node_cache[:boolean_filter][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index("..", index) == index
    r2 = instantiate_node(SyntaxNode,input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure("..")
    r2 = nil
  end
  if r2
    r1 = r2
  else
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    if input.index("[?", index) == index
      r3 = instantiate_node(SyntaxNode,input, index...(index + 2))
      @index += 2
    else
      terminal_parse_failure("[?")
      r3 = nil
    end
    s0 << r3
    if r3
      r4 = _nt_boolean_expression
      s0 << r4
      if r4
        if input.index("]", index) == index
          r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure("]")
          r5 = nil
        end
        s0 << r5
      end
    end
  end
  if s0.last
    r0 = instantiate_node(BooleanFilter,input, i0...index, s0)
    r0.extend(BooleanFilter0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:boolean_filter][start_index] = r0

  return r0
end

#_nt_comparator ⇒ Object 



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# File 'lib/siren/json_query.rb', line 745

def _nt_comparator
  start_index = index
  if node_cache[:comparator].has_key?(index)
    cached = node_cache[:comparator][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  r1 = _nt_not_equal
  if r1
    r0 = r1
    r0.extend(Comparator)
  else
    r2 = _nt_lte
    if r2
      r0 = r2
      r0.extend(Comparator)
    else
      r3 = _nt_gte
      if r3
        r0 = r3
        r0.extend(Comparator)
      else
        r4 = _nt_equal
        if r4
          r0 = r4
          r0.extend(Comparator)
        else
          r5 = _nt_match
          if r5
            r0 = r5
            r0.extend(Comparator)
          else
            r6 = _nt_lt
            if r6
              r0 = r6
              r0.extend(Comparator)
            else
              r7 = _nt_gt
              if r7
                r0 = r7
                r0.extend(Comparator)
              else
                self.index = i0
                r0 = nil
              end
            end
          end
        end
      end
    end
  end

  node_cache[:comparator][start_index] = r0

  return r0
end

#_nt_comparison ⇒ Object 



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# File 'lib/siren/json_query.rb', line 217

def _nt_comparison
  start_index = index
  if node_cache[:comparison].has_key?(index)
    cached = node_cache[:comparison][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_expression
  s1 << r2
  if r2
    r3 = _nt_comparator
    s1 << r3
    if r3
      r4 = _nt_expression
      s1 << r4
    end
  end
  if s1.last
    r1 = instantiate_node(Comparison,input, i1...index, s1)
    r1.extend(Comparison0)
  else
    self.index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    r5 = _nt_boolean_atom
    if r5
      r0 = r5
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:comparison][start_index] = r0

  return r0
end

#_nt_current ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1625

def _nt_current
  start_index = index
  if node_cache[:current].has_key?(index)
    cached = node_cache[:current][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("@", index) == index
    r0 = instantiate_node(Current,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("@")
    r0 = nil
  end

  node_cache[:current][start_index] = r0

  return r0
end

#_nt_digit ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1383

def _nt_digit
  start_index = index
  if node_cache[:digit].has_key?(index)
    cached = node_cache[:digit][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index(Regexp.new('[0-9]'), index) == index
    r0 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    r0 = nil
  end

  node_cache[:digit][start_index] = r0

  return r0
end

#_nt_divide ⇒ Object 



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# File 'lib/siren/json_query.rb', line 682

def _nt_divide
  start_index = index
  if node_cache[:divide].has_key?(index)
    cached = node_cache[:divide][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("/", index) == index
    r0 = instantiate_node(Division,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("/")
    r0 = nil
  end

  node_cache[:divide][start_index] = r0

  return r0
end

#_nt_divmod ⇒ Object 



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# File 'lib/siren/json_query.rb', line 501

def _nt_divmod
  start_index = index
  if node_cache[:divmod].has_key?(index)
    cached = node_cache[:divmod][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_atom
  s1 << r2
  if r2
    if input.index('%', index) == index
      r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure('%')
      r3 = nil
    end
    s1 << r3
    if r3
      r4 = _nt_divmod
      s1 << r4
    end
  end
  if s1.last
    r1 = instantiate_node(Divmod,input, i1...index, s1)
    r1.extend(Divmod0)
  else
    self.index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    r5 = _nt_atom
    if r5
      r0 = r5
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:divmod][start_index] = r0

  return r0
end

#_nt_equal ⇒ Object 



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# File 'lib/siren/json_query.rb', line 804

def _nt_equal
  start_index = index
  if node_cache[:equal].has_key?(index)
    cached = node_cache[:equal][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("=", index) == index
    r0 = instantiate_node(Equal,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("=")
    r0 = nil
  end

  node_cache[:equal][start_index] = r0

  return r0
end

#_nt_expression ⇒ Object 



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# File 'lib/siren/json_query.rb', line 9

def _nt_expression
  start_index = index
  if node_cache[:expression].has_key?(index)
    cached = node_cache[:expression][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  r1 = _nt_sum
  if r1
    r0 = r1
  else
    r2 = _nt_product
    if r2
      r0 = r2
    else
      r3 = _nt_divmod
      if r3
        r0 = r3
      else
        r4 = _nt_atom
        if r4
          r0 = r4
        else
          self.index = i0
          r0 = nil
        end
      end
    end
  end

  node_cache[:expression][start_index] = r0

  return r0
end

#_nt_false ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1453

def _nt_false
  start_index = index
  if node_cache[:false].has_key?(index)
    cached = node_cache[:false][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("false", index) == index
    r0 = instantiate_node(False,input, index...(index + 5))
    @index += 5
  else
    terminal_parse_failure("false")
    r0 = nil
  end

  node_cache[:false][start_index] = r0

  return r0
end

#_nt_field_access ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1902

def _nt_field_access
  start_index = index
  if node_cache[:field_access].has_key?(index)
    cached = node_cache[:field_access][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  i1, s1 = index, []
  if input.index(".", index) == index
    r2 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure(".")
    r2 = nil
  end
  s1 << r2
  if r2
    i3 = index
    r4 = _nt_symbol
    if r4
      r3 = r4
    else
      r5 = _nt_all
      if r5
        r3 = r5
      else
        self.index = i3
        r3 = nil
      end
    end
    s1 << r3
  end
  if s1.last
    r1 = instantiate_node(SyntaxNode,input, i1...index, s1)
    r1.extend(FieldAccess0)
  else
    self.index = i1
    r1 = nil
  end
  if r1
    r0 = r1
    r0.extend(FieldAccess)
  else
    i6, s6 = index, []
    if input.index("[", index) == index
      r7 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("[")
      r7 = nil
    end
    s6 << r7
    if r7
      i8 = index
      r9 = _nt_field_access_expression
      if r9
        r8 = r9
      else
        r10 = _nt_all
        if r10
          r8 = r10
        else
          self.index = i8
          r8 = nil
        end
      end
      s6 << r8
      if r8
        if input.index("]", index) == index
          r11 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure("]")
          r11 = nil
        end
        s6 << r11
      end
    end
    if s6.last
      r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
      r6.extend(FieldAccess1)
    else
      self.index = i6
      r6 = nil
    end
    if r6
      r0 = r6
      r0.extend(FieldAccess)
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:field_access][start_index] = r0

  return r0
end

#_nt_field_access_expression ⇒ Object 



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# File 'lib/siren/json_query.rb', line 2019

def _nt_field_access_expression
  start_index = index
  if node_cache[:field_access_expression].has_key?(index)
    cached = node_cache[:field_access_expression][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_expression
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3, s3 = index, []
      if input.index(",", index) == index
        r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure(",")
        r4 = nil
      end
      s3 << r4
      if r4
        r5 = _nt_expression
        s3 << r5
      end
      if s3.last
        r3 = instantiate_node(SyntaxNode,input, i3...index, s3)
        r3.extend(FieldAccessExpression0)
      else
        self.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(FieldAccessExpression,input, i0...index, s0)
    r0.extend(FieldAccessExpression1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:field_access_expression][start_index] = r0

  return r0
end

#_nt_filter ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1696

def _nt_filter
  start_index = index
  if node_cache[:filter].has_key?(index)
    cached = node_cache[:filter][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  r1 = _nt_slice_access
  if r1
    r0 = r1
    r0.extend(Filter)
  else
    r2 = _nt_recursive_access
    if r2
      r0 = r2
      r0.extend(Filter)
    else
      r3 = _nt_field_access
      if r3
        r0 = r3
        r0.extend(Filter)
      else
        r4 = _nt_boolean_filter
        if r4
          r0 = r4
          r0.extend(Filter)
        else
          r5 = _nt_map_filter
          if r5
            r0 = r5
            r0.extend(Filter)
          else
            r6 = _nt_sort_filter
            if r6
              r0 = r6
              r0.extend(Filter)
            else
              self.index = i0
              r0 = nil
            end
          end
        end
      end
    end
  end

  node_cache[:filter][start_index] = r0

  return r0
end

#_nt_gt ⇒ Object 



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# File 'lib/siren/json_query.rb', line 909

def _nt_gt
  start_index = index
  if node_cache[:gt].has_key?(index)
    cached = node_cache[:gt][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index(">", index) == index
    r0 = instantiate_node(GreaterThan,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure(">")
    r0 = nil
  end

  node_cache[:gt][start_index] = r0

  return r0
end

#_nt_gte ⇒ Object 



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# File 'lib/siren/json_query.rb', line 930

def _nt_gte
  start_index = index
  if node_cache[:gte].has_key?(index)
    cached = node_cache[:gte][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index(">=", index) == index
    r0 = instantiate_node(GreaterThanOrEqual,input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure(">=")
    r0 = nil
  end

  node_cache[:gte][start_index] = r0

  return r0
end

#_nt_identifier ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1569

def _nt_identifier
  start_index = index
  if node_cache[:identifier].has_key?(index)
    cached = node_cache[:identifier][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  r1 = _nt_root
  if r1
    r0 = r1
    r0.extend(Identifier)
  else
    r2 = _nt_current
    if r2
      r0 = r2
      r0.extend(Identifier)
    else
      r3 = _nt_symbol
      if r3
        r0 = r3
        r0.extend(Identifier)
      else
        self.index = i0
        r0 = nil
      end
    end
  end

  node_cache[:identifier][start_index] = r0

  return r0
end

#_nt_lt ⇒ Object 



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# File 'lib/siren/json_query.rb', line 867

def _nt_lt
  start_index = index
  if node_cache[:lt].has_key?(index)
    cached = node_cache[:lt][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("<", index) == index
    r0 = instantiate_node(LessThan,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("<")
    r0 = nil
  end

  node_cache[:lt][start_index] = r0

  return r0
end

#_nt_lte ⇒ Object 



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# File 'lib/siren/json_query.rb', line 888

def _nt_lte
  start_index = index
  if node_cache[:lte].has_key?(index)
    cached = node_cache[:lte][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("<=", index) == index
    r0 = instantiate_node(LessThanOrEqual,input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure("<=")
    r0 = nil
  end

  node_cache[:lte][start_index] = r0

  return r0
end

#_nt_map_filter ⇒ Object 



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# File 'lib/siren/json_query.rb', line 2173

def _nt_map_filter
  start_index = index
  if node_cache[:map_filter].has_key?(index)
    cached = node_cache[:map_filter][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index("[=", index) == index
    r1 = instantiate_node(SyntaxNode,input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure("[=")
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_expression
    s0 << r2
    if r2
      if input.index("]", index) == index
        r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure("]")
        r3 = nil
      end
      s0 << r3
    end
  end
  if s0.last
    r0 = instantiate_node(MapFilter,input, i0...index, s0)
    r0.extend(MapFilter0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:map_filter][start_index] = r0

  return r0
end

#_nt_match ⇒ Object 



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# File 'lib/siren/json_query.rb', line 825

def _nt_match
  start_index = index
  if node_cache[:match].has_key?(index)
    cached = node_cache[:match][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("~", index) == index
    r0 = instantiate_node(Match,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("~")
    r0 = nil
  end

  node_cache[:match][start_index] = r0

  return r0
end

#_nt_not_equal ⇒ Object 



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# File 'lib/siren/json_query.rb', line 846

def _nt_not_equal
  start_index = index
  if node_cache[:not_equal].has_key?(index)
    cached = node_cache[:not_equal][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("!=", index) == index
    r0 = instantiate_node(NotEqual,input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure("!=")
    r0 = nil
  end

  node_cache[:not_equal][start_index] = r0

  return r0
end

#_nt_null ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1474

def _nt_null
  start_index = index
  if node_cache[:null].has_key?(index)
    cached = node_cache[:null][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("null", index) == index
    r0 = instantiate_node(Null,input, index...(index + 4))
    @index += 4
  else
    terminal_parse_failure("null")
    r0 = nil
  end

  node_cache[:null][start_index] = r0

  return r0
end

#_nt_number ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1202

def _nt_number
  start_index = index
  if node_cache[:number].has_key?(index)
    cached = node_cache[:number][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index("-", index) == index
    r2 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("-")
    r2 = nil
  end
  if r2
    r1 = r2
  else
    r1 = instantiate_node(SyntaxNode,input, index...index)
  end
  s0 << r1
  if r1
    i3 = index
    if input.index("0", index) == index
      r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("0")
      r4 = nil
    end
    if r4
      r3 = r4
    else
      i5, s5 = index, []
      if input.index(Regexp.new('[1-9]'), index) == index
        r6 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        r6 = nil
      end
      s5 << r6
      if r6
        s7, i7 = [], index
        loop do
          r8 = _nt_digit
          if r8
            s7 << r8
          else
            break
          end
        end
        r7 = instantiate_node(SyntaxNode,input, i7...index, s7)
        s5 << r7
      end
      if s5.last
        r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
        r5.extend(Number0)
      else
        self.index = i5
        r5 = nil
      end
      if r5
        r3 = r5
      else
        self.index = i3
        r3 = nil
      end
    end
    s0 << r3
    if r3
      i10, s10 = index, []
      if input.index(".", index) == index
        r11 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure(".")
        r11 = nil
      end
      s10 << r11
      if r11
        s12, i12 = [], index
        loop do
          r13 = _nt_digit
          if r13
            s12 << r13
          else
            break
          end
        end
        if s12.empty?
          self.index = i12
          r12 = nil
        else
          r12 = instantiate_node(SyntaxNode,input, i12...index, s12)
        end
        s10 << r12
      end
      if s10.last
        r10 = instantiate_node(SyntaxNode,input, i10...index, s10)
        r10.extend(Number1)
      else
        self.index = i10
        r10 = nil
      end
      if r10
        r9 = r10
      else
        r9 = instantiate_node(SyntaxNode,input, index...index)
      end
      s0 << r9
      if r9
        i15, s15 = index, []
        if input.index(Regexp.new('[eE]'), index) == index
          r16 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          r16 = nil
        end
        s15 << r16
        if r16
          if input.index(Regexp.new('[+-]'), index) == index
            r18 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            r18 = nil
          end
          if r18
            r17 = r18
          else
            r17 = instantiate_node(SyntaxNode,input, index...index)
          end
          s15 << r17
          if r17
            s19, i19 = [], index
            loop do
              r20 = _nt_digit
              if r20
                s19 << r20
              else
                break
              end
            end
            if s19.empty?
              self.index = i19
              r19 = nil
            else
              r19 = instantiate_node(SyntaxNode,input, i19...index, s19)
            end
            s15 << r19
          end
        end
        if s15.last
          r15 = instantiate_node(SyntaxNode,input, i15...index, s15)
          r15.extend(Number2)
        else
          self.index = i15
          r15 = nil
        end
        if r15
          r14 = r15
        else
          r14 = instantiate_node(SyntaxNode,input, index...index)
        end
        s0 << r14
      end
    end
  end
  if s0.last
    r0 = instantiate_node(Number,input, i0...index, s0)
    r0.extend(Number3)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:number][start_index] = r0

  return r0
end

#_nt_or_expression ⇒ Object 



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# File 'lib/siren/json_query.rb', line 93

def _nt_or_expression
  start_index = index
  if node_cache[:or_expression].has_key?(index)
    cached = node_cache[:or_expression][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_and_expression
  s1 << r2
  if r2
    if input.index("|", index) == index
      r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("|")
      r3 = nil
    end
    s1 << r3
    if r3
      r4 = _nt_or_expression
      s1 << r4
    end
  end
  if s1.last
    r1 = instantiate_node(Or,input, i1...index, s1)
    r1.extend(OrExpression0)
  else
    self.index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    r5 = _nt_and_expression
    if r5
      r0 = r5
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:or_expression][start_index] = r0

  return r0
end

#_nt_product ⇒ Object 



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# File 'lib/siren/json_query.rb', line 435

def _nt_product
  start_index = index
  if node_cache[:product].has_key?(index)
    cached = node_cache[:product][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_divmod
  s1 << r2
  if r2
    i3 = index
    r4 = _nt_times
    if r4
      r3 = r4
    else
      r5 = _nt_divide
      if r5
        r3 = r5
      else
        self.index = i3
        r3 = nil
      end
    end
    s1 << r3
    if r3
      r6 = _nt_product
      s1 << r6
    end
  end
  if s1.last
    r1 = instantiate_node(Product,input, i1...index, s1)
    r1.extend(Product0)
  else
    self.index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    r7 = _nt_divmod
    if r7
      r0 = r7
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:product][start_index] = r0

  return r0
end

#_nt_query ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1532

def _nt_query
  start_index = index
  if node_cache[:query].has_key?(index)
    cached = node_cache[:query][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_identifier
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      r3 = _nt_filter
      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(Query,input, i0...index, s0)
    r0.extend(Query0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:query][start_index] = r0

  return r0
end

#_nt_recursive_access ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1862

def _nt_recursive_access
  start_index = index
  if node_cache[:recursive_access].has_key?(index)
    cached = node_cache[:recursive_access][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index("..", index) == index
    r1 = instantiate_node(SyntaxNode,input, index...(index + 2))
    @index += 2
  else
    terminal_parse_failure("..")
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_symbol
    s0 << r2
  end
  if s0.last
    r0 = instantiate_node(RecursiveAccess,input, i0...index, s0)
    r0.extend(RecursiveAccess0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:recursive_access][start_index] = r0

  return r0
end

#_nt_root ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1604

def _nt_root
  start_index = index
  if node_cache[:root].has_key?(index)
    cached = node_cache[:root][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("$", index) == index
    r0 = instantiate_node(Root,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("$")
    r0 = nil
  end

  node_cache[:root][start_index] = r0

  return r0
end

#_nt_slice_access ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1770

def _nt_slice_access
  start_index = index
  if node_cache[:slice_access].has_key?(index)
    cached = node_cache[:slice_access][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index("[", index) == index
    r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("[")
    r1 = nil
  end
  s0 << r1
  if r1
    r2 = _nt_number
    s0 << r2
    if r2
      if input.index(":", index) == index
        r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure(":")
        r3 = nil
      end
      s0 << r3
      if r3
        r4 = _nt_number
        s0 << r4
        if r4
          i6, s6 = index, []
          if input.index(":", index) == index
            r7 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure(":")
            r7 = nil
          end
          s6 << r7
          if r7
            r8 = _nt_number
            s6 << r8
          end
          if s6.last
            r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
            r6.extend(SliceAccess0)
          else
            self.index = i6
            r6 = nil
          end
          if r6
            r5 = r6
          else
            r5 = instantiate_node(SyntaxNode,input, index...index)
          end
          s0 << r5
          if r5
            if input.index("]", index) == index
              r9 = instantiate_node(SyntaxNode,input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure("]")
              r9 = nil
            end
            s0 << r9
          end
        end
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SliceAccess,input, i0...index, s0)
    r0.extend(SliceAccess1)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:slice_access][start_index] = r0

  return r0
end

#_nt_sort_filter ⇒ Object 



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# File 'lib/siren/json_query.rb', line 2248

def _nt_sort_filter
  start_index = index
  if node_cache[:sort_filter].has_key?(index)
    cached = node_cache[:sort_filter][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index("[", index) == index
    r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("[")
    r1 = nil
  end
  s0 << r1
  if r1
    i2, s2 = index, []
    r3 = _nt_sorter
    s2 << r3
    if r3
      r4 = _nt_expression
      s2 << r4
    end
    if s2.last
      r2 = instantiate_node(SyntaxNode,input, i2...index, s2)
      r2.extend(SortFilter0)
    else
      self.index = i2
      r2 = nil
    end
    s0 << r2
    if r2
      s5, i5 = [], index
      loop do
        i6, s6 = index, []
        if input.index(",", index) == index
          r7 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure(",")
          r7 = nil
        end
        s6 << r7
        if r7
          r8 = _nt_sorter
          s6 << r8
          if r8
            r9 = _nt_expression
            s6 << r9
          end
        end
        if s6.last
          r6 = instantiate_node(SyntaxNode,input, i6...index, s6)
          r6.extend(SortFilter1)
        else
          self.index = i6
          r6 = nil
        end
        if r6
          s5 << r6
        else
          break
        end
      end
      r5 = instantiate_node(SyntaxNode,input, i5...index, s5)
      s0 << r5
      if r5
        if input.index("]", index) == index
          r10 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure("]")
          r10 = nil
        end
        s0 << r10
      end
    end
  end
  if s0.last
    r0 = instantiate_node(SortFilter,input, i0...index, s0)
    r0.extend(SortFilter2)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:sort_filter][start_index] = r0

  return r0
end

#_nt_sorter ⇒ Object 



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# File 'lib/siren/json_query.rb', line 2351

def _nt_sorter
  start_index = index
  if node_cache[:sorter].has_key?(index)
    cached = node_cache[:sorter][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  r1 = _nt_space
  s0 << r1
  if r1
    i2 = index
    if input.index("/", index) == index
      r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure("/")
      r3 = nil
    end
    if r3
      r2 = r3
    else
      if input.index("\\", index) == index
        r4 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure("\\")
        r4 = nil
      end
      if r4
        r2 = r4
      else
        self.index = i2
        r2 = nil
      end
    end
    s0 << r2
    if r2
      r5 = _nt_space
      s0 << r5
    end
  end
  if s0.last
    r0 = instantiate_node(Sorter,input, i0...index, s0)
    r0.extend(Sorter0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:sorter][start_index] = r0

  return r0
end

#_nt_space ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1495

def _nt_space
  start_index = index
  if node_cache[:space].has_key?(index)
    cached = node_cache[:space][index]
    @index = cached.interval.end if cached
    return cached
  end

  s0, i0 = [], index
  loop do
    if input.index(" ", index) == index
      r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
      @index += 1
    else
      terminal_parse_failure(" ")
      r1 = nil
    end
    if r1
      s0 << r1
    else
      break
    end
  end
  r0 = instantiate_node(SyntaxNode,input, i0...index, s0)

  node_cache[:space][start_index] = r0

  return r0
end

#_nt_string ⇒ Object 



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# File 'lib/siren/json_query.rb', line 975

def _nt_string
  start_index = index
  if node_cache[:string].has_key?(index)
    cached = node_cache[:string][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index("'", index) == index
    r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("'")
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      i3 = index
      i4, s4 = index, []
      if input.index('\\', index) == index
        r5 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure('\\')
        r5 = nil
      end
      s4 << r5
      if r5
        i6 = index
        if input.index("'", index) == index
          r7 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          terminal_parse_failure("'")
          r7 = nil
        end
        if r7
          r6 = r7
        else
          if input.index('\\', index) == index
            r8 = instantiate_node(SyntaxNode,input, index...(index + 1))
            @index += 1
          else
            terminal_parse_failure('\\')
            r8 = nil
          end
          if r8
            r6 = r8
          else
            if input.index('/', index) == index
              r9 = instantiate_node(SyntaxNode,input, index...(index + 1))
              @index += 1
            else
              terminal_parse_failure('/')
              r9 = nil
            end
            if r9
              r6 = r9
            else
              if input.index('b', index) == index
                r10 = instantiate_node(SyntaxNode,input, index...(index + 1))
                @index += 1
              else
                terminal_parse_failure('b')
                r10 = nil
              end
              if r10
                r6 = r10
              else
                if input.index('f', index) == index
                  r11 = instantiate_node(SyntaxNode,input, index...(index + 1))
                  @index += 1
                else
                  terminal_parse_failure('f')
                  r11 = nil
                end
                if r11
                  r6 = r11
                else
                  if input.index('n', index) == index
                    r12 = instantiate_node(SyntaxNode,input, index...(index + 1))
                    @index += 1
                  else
                    terminal_parse_failure('n')
                    r12 = nil
                  end
                  if r12
                    r6 = r12
                  else
                    if input.index('r', index) == index
                      r13 = instantiate_node(SyntaxNode,input, index...(index + 1))
                      @index += 1
                    else
                      terminal_parse_failure('r')
                      r13 = nil
                    end
                    if r13
                      r6 = r13
                    else
                      if input.index('t', index) == index
                        r14 = instantiate_node(SyntaxNode,input, index...(index + 1))
                        @index += 1
                      else
                        terminal_parse_failure('t')
                        r14 = nil
                      end
                      if r14
                        r6 = r14
                      else
                        i15, s15 = index, []
                        if input.index('u', index) == index
                          r16 = instantiate_node(SyntaxNode,input, index...(index + 1))
                          @index += 1
                        else
                          terminal_parse_failure('u')
                          r16 = nil
                        end
                        s15 << r16
                        if r16
                          r17 = _nt_hex
                          s15 << r17
                          if r17
                            r18 = _nt_hex
                            s15 << r18
                            if r18
                              r19 = _nt_hex
                              s15 << r19
                              if r19
                                r20 = _nt_hex
                                s15 << r20
                              end
                            end
                          end
                        end
                        if s15.last
                          r15 = instantiate_node(SyntaxNode,input, i15...index, s15)
                          r15.extend(String0)
                        else
                          self.index = i15
                          r15 = nil
                        end
                        if r15
                          r6 = r15
                        else
                          self.index = i6
                          r6 = nil
                        end
                      end
                    end
                  end
                end
              end
            end
          end
        end
        s4 << r6
      end
      if s4.last
        r4 = instantiate_node(SyntaxNode,input, i4...index, s4)
        r4.extend(String1)
      else
        self.index = i4
        r4 = nil
      end
      if r4
        r3 = r4
      else
        if input.index(Regexp.new('[^\\\'\\\\]'), index) == index
          r21 = instantiate_node(SyntaxNode,input, index...(index + 1))
          @index += 1
        else
          r21 = nil
        end
        if r21
          r3 = r21
        else
          self.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 input.index("'", index) == index
        r22 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        terminal_parse_failure("'")
        r22 = nil
      end
      s0 << r22
    end
  end
  if s0.last
    r0 = instantiate_node(String,input, i0...index, s0)
    r0.extend(String2)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:string][start_index] = r0

  return r0
end

#_nt_subtract ⇒ Object 



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# File 'lib/siren/json_query.rb', line 724

def _nt_subtract
  start_index = index
  if node_cache[:subtract].has_key?(index)
    cached = node_cache[:subtract][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("-", index) == index
    r0 = instantiate_node(Subtraction,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("-")
    r0 = nil
  end

  node_cache[:subtract][start_index] = r0

  return r0
end

#_nt_sum ⇒ Object 



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# File 'lib/siren/json_query.rb', line 365

def _nt_sum
  start_index = index
  if node_cache[:sum].has_key?(index)
    cached = node_cache[:sum][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0 = index
  i1, s1 = index, []
  r2 = _nt_product
  s1 << r2
  if r2
    i3 = index
    r4 = _nt_add
    if r4
      r3 = r4
    else
      r5 = _nt_subtract
      if r5
        r3 = r5
      else
        self.index = i3
        r3 = nil
      end
    end
    s1 << r3
    if r3
      r6 = _nt_sum
      s1 << r6
    end
  end
  if s1.last
    r1 = instantiate_node(Sum,input, i1...index, s1)
    r1.extend(Sum0)
  else
    self.index = i1
    r1 = nil
  end
  if r1
    r0 = r1
  else
    r7 = _nt_product
    if r7
      r0 = r7
    else
      self.index = i0
      r0 = nil
    end
  end

  node_cache[:sum][start_index] = r0

  return r0
end

#_nt_symbol ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1649

def _nt_symbol
  start_index = index
  if node_cache[:symbol].has_key?(index)
    cached = node_cache[:symbol][index]
    @index = cached.interval.end if cached
    return cached
  end

  i0, s0 = index, []
  if input.index(Regexp.new('[A-Za-z$_]'), index) == index
    r1 = instantiate_node(SyntaxNode,input, index...(index + 1))
    @index += 1
  else
    r1 = nil
  end
  s0 << r1
  if r1
    s2, i2 = [], index
    loop do
      if input.index(Regexp.new('[A-Za-z0-9$_]'), index) == index
        r3 = instantiate_node(SyntaxNode,input, index...(index + 1))
        @index += 1
      else
        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(Symbol,input, i0...index, s0)
    r0.extend(Symbol0)
  else
    self.index = i0
    r0 = nil
  end

  node_cache[:symbol][start_index] = r0

  return r0
end

#_nt_times ⇒ Object 



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# File 'lib/siren/json_query.rb', line 661

def _nt_times
  start_index = index
  if node_cache[:times].has_key?(index)
    cached = node_cache[:times][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("*", index) == index
    r0 = instantiate_node(Multiplication,input, index...(index + 1))
    @index += 1
  else
    terminal_parse_failure("*")
    r0 = nil
  end

  node_cache[:times][start_index] = r0

  return r0
end

#_nt_true ⇒ Object 



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# File 'lib/siren/json_query.rb', line 1432

def _nt_true
  start_index = index
  if node_cache[:true].has_key?(index)
    cached = node_cache[:true][index]
    @index = cached.interval.end if cached
    return cached
  end

  if input.index("true", index) == index
    r0 = instantiate_node(True,input, index...(index + 4))
    @index += 4
  else
    terminal_parse_failure("true")
    r0 = nil
  end

  node_cache[:true][start_index] = r0

  return r0
end

#root ⇒ Object 



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# File 'lib/siren/json_query.rb', line 5

def root
  @root || :expression
end