Class: Prism::Translation::RubyParser::Compiler

# File 'lib/prism/translation/ruby_parser.rb', line 25

attr_reader :in_def

# File 'lib/prism/translation/ruby_parser.rb', line 29

attr_reader :in_pattern

# File 'lib/prism/translation/ruby_parser.rb', line 1824

def copy_compiler(in_def: self.in_def, in_pattern: self.in_pattern)
  Compiler.new(file, in_def: in_def, in_pattern: in_pattern)
end

# File 'lib/prism/translation/ruby_parser.rb', line 364

private def op_asgn?(node)
  node.call_operator == "::" || (node.value.is_a?(CallNode) && node.value.opening_loc.nil? && !node.value.arguments.nil?)
end

# File 'lib/prism/translation/ruby_parser.rb', line 370

private def op_asgn_type(node, type)
  node.safe_navigation? ? :"safe_#{type}" : type
end

# File 'lib/prism/translation/ruby_parser.rb', line 1829

def s(node, *arguments)
  result = Sexp.new(*arguments)
  result.file = file
  result.line = node.location.start_line
  result.line_max = node.location.end_line
  result
end

# File 'lib/prism/translation/ruby_parser.rb', line 50

def visit_alias_global_variable_node(node)
  s(node, :valias, node.new_name.name, node.old_name.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 42

def visit_alias_method_node(node)
  s(node, :alias, visit(node.new_name), visit(node.old_name))
end

# File 'lib/prism/translation/ruby_parser.rb', line 58

def visit_alternation_pattern_node(node)
  s(node, :or, visit(node.left), visit(node.right))
end

# File 'lib/prism/translation/ruby_parser.rb', line 66

def visit_and_node(node)
  left = visit(node.left)

  if left[0] == :and
    # ruby_parser has the and keyword as right-associative as opposed to
    # prism which has it as left-associative. We reverse that
    # associativity here.
    nest = left
    nest = nest[2] while nest[2][0] == :and
    nest[2] = s(node, :and, nest[2], visit(node.right))
    left
  else
    s(node, :and, left, visit(node.right))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 123

def visit_arguments_node(node)
  raise "Cannot visit arguments directly"
end

# File 'lib/prism/translation/ruby_parser.rb', line 86

def visit_array_node(node)
  if in_pattern
    s(node, :array_pat, nil).concat(visit_all(node.elements))
  else
    s(node, :array).concat(visit_all(node.elements))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 98

def visit_array_pattern_node(node)
  if node.constant.nil? && node.requireds.empty? && node.rest.nil? && node.posts.empty?
    s(node, :array_pat)
  else
    result = s(node, :array_pat, visit_pattern_constant(node.constant)).concat(visit_all(node.requireds))

    case node.rest
    when SplatNode
      result << :"*#{node.rest.expression&.name}"
    when ImplicitRestNode
      result << :*

      # This doesn't make any sense at all, but since we're trying to
      # replicate the behavior directly, we'll copy it.
      result.line(666)
    end

    result.concat(visit_all(node.posts))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 131

def visit_assoc_node(node)
  [visit(node.key), visit(node.value)]
end

# File 'lib/prism/translation/ruby_parser.rb', line 142

def visit_assoc_splat_node(node)
  if node.value.nil?
    [s(node, :kwsplat)]
  else
    [s(node, :kwsplat, visit(node.value))]
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 154

def visit_back_reference_read_node(node)
  s(node, :back_ref, node.name.name.delete_prefix("$").to_sym)
end

# File 'lib/prism/translation/ruby_parser.rb', line 162

def visit_begin_node(node)
  result = node.statements.nil? ? s(node, :nil) : visit(node.statements)

  if !node.rescue_clause.nil?
    if !node.statements.nil?
      result = s(node.statements, :rescue, result, visit(node.rescue_clause))
    else
      result = s(node.rescue_clause, :rescue, visit(node.rescue_clause))
    end

    current = node.rescue_clause
    until (current = current.subsequent).nil?
      result << visit(current)
    end
  end

  if !node.else_clause&.statements.nil?
    result << visit(node.else_clause)
  end

  if !node.ensure_clause.nil?
    if !node.statements.nil? || !node.rescue_clause.nil? || !node.else_clause.nil?
      result = s(node.statements || node.rescue_clause || node.else_clause || node.ensure_clause, :ensure, result, visit(node.ensure_clause))
    else
      result = s(node.ensure_clause, :ensure, visit(node.ensure_clause))
    end
  end

  result
end

# File 'lib/prism/translation/ruby_parser.rb', line 1839

def visit_block(node, sexp, block)
  if block.nil?
    sexp
  else
    parameters =
      case block.parameters
      when nil, ItParametersNode, NumberedParametersNode
        0
      else
        visit(block.parameters)
      end

    if block.body.nil?
      s(node, :iter, sexp, parameters)
    else
      s(node, :iter, sexp, parameters, visit(block.body))
    end
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 197

def visit_block_argument_node(node)
  s(node, :block_pass).tap do |result|
    result << visit(node.expression) unless node.expression.nil?
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 207

def visit_block_local_variable_node(node)
  node.name
end

# File 'lib/prism/translation/ruby_parser.rb', line 212

def visit_block_node(node)
  s(node, :block_pass, visit(node.expression))
end

# File 'lib/prism/translation/ruby_parser.rb', line 220

def visit_block_parameter_node(node)
  :"&#{node.name}"
end

# File 'lib/prism/translation/ruby_parser.rb', line 225

def visit_block_parameters_node(node)
  # If this block parameters has no parameters and is using pipes, then
  # it inherits its location from its shadow locals, even if they're not
  # on the same lines as the pipes.
  shadow_loc = true

  result =
    if node.parameters.nil?
      s(node, :args)
    else
      shadow_loc = false
      visit(node.parameters)
    end

  if node.opening == "("
    result.line = node.opening_loc.start_line
    result.line_max = node.closing_loc.end_line
    shadow_loc = false
  end

  if node.locals.any?
    shadow = s(node, :shadow).concat(visit_all(node.locals))
    shadow.line = node.locals.first.location.start_line
    shadow.line_max = node.locals.last.location.end_line
    result << shadow

    if shadow_loc
      result.line = shadow.line
      result.line_max = shadow.line_max
    end
  end

  result
end

# File 'lib/prism/translation/ruby_parser.rb', line 267

def visit_break_node(node)
  if node.arguments.nil?
    s(node, :break)
  elsif node.arguments.arguments.length == 1
    s(node, :break, visit(node.arguments.arguments.first))
  else
    s(node, :break, s(node.arguments, :array).concat(visit_all(node.arguments.arguments)))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 341

def visit_call_and_write_node(node)
  if op_asgn?(node)
    s(node, op_asgn_type(node, :op_asgn), visit(node.receiver), visit_write_value(node.value), node.read_name, :"&&")
  else
    s(node, op_asgn_type(node, :op_asgn2), visit(node.receiver), node.write_name, :"&&", visit_write_value(node.value))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 287

def visit_call_node(node)
  case node.name
  when :!~
    return s(node, :not, visit(node.copy(name: :"=~")))
  when :=~
    if node.arguments&.arguments&.length == 1 && node.block.nil?
      case node.receiver
      when StringNode
        return s(node, :match3, visit(node.arguments.arguments.first), visit(node.receiver))
      when RegularExpressionNode, InterpolatedRegularExpressionNode
        return s(node, :match2, visit(node.receiver), visit(node.arguments.arguments.first))
      end

      case node.arguments.arguments.first
      when RegularExpressionNode, InterpolatedRegularExpressionNode
        return s(node, :match3, visit(node.arguments.arguments.first), visit(node.receiver))
      end
    end
  end

  type = node.attribute_write? ? :attrasgn : :call
  type = :"safe_#{type}" if node.safe_navigation?

  arguments = node.arguments&.arguments || []
  write_value = arguments.pop if type == :attrasgn
  block = node.block

  if block.is_a?(BlockArgumentNode)
    arguments << block
    block = nil
  end

  result = s(node, type, visit(node.receiver), node.name).concat(visit_all(arguments))
  result << visit_write_value(write_value) unless write_value.nil?

  visit_block(node, result, block)
end

# File 'lib/prism/translation/ruby_parser.rb', line 329

def visit_call_operator_write_node(node)
  if op_asgn?(node)
    s(node, op_asgn_type(node, :op_asgn), visit(node.receiver), visit_write_value(node.value), node.read_name, node.binary_operator)
  else
    s(node, op_asgn_type(node, :op_asgn2), visit(node.receiver), node.write_name, node.binary_operator, visit_write_value(node.value))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 353

def visit_call_or_write_node(node)
  if op_asgn?(node)
    s(node, op_asgn_type(node, :op_asgn), visit(node.receiver), visit_write_value(node.value), node.read_name, :"||")
  else
    s(node, op_asgn_type(node, :op_asgn2), visit(node.receiver), node.write_name, :"||", visit_write_value(node.value))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 378

def visit_call_target_node(node)
  s(node, :attrasgn, visit(node.receiver), node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 386

def visit_capture_pattern_node(node)
  visit(node.target) << visit(node.value)
end

# File 'lib/prism/translation/ruby_parser.rb', line 402

def visit_case_match_node(node)
  s(node, :case, visit(node.predicate)).concat(visit_all(node.conditions)) << visit(node.else_clause)
end

# File 'lib/prism/translation/ruby_parser.rb', line 394

def visit_case_node(node)
  s(node, :case, visit(node.predicate)).concat(visit_all(node.conditions)) << visit(node.else_clause)
end

# File 'lib/prism/translation/ruby_parser.rb', line 410

def visit_class_node(node)
  name =
    if node.constant_path.is_a?(ConstantReadNode)
      node.name
    else
      visit(node.constant_path)
    end

  if node.body.nil?
    s(node, :class, name, visit(node.superclass))
  elsif node.body.is_a?(StatementsNode)
    compiler = copy_compiler(in_def: false)
    s(node, :class, name, visit(node.superclass)).concat(node.body.body.map { |child| child.accept(compiler) })
  else
    s(node, :class, name, visit(node.superclass), node.body.accept(copy_compiler(in_def: false)))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 459

def visit_class_variable_and_write_node(node)
  s(node, :op_asgn_and, s(node, :cvar, node.name), s(node, class_variable_write_type, node.name, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 451

def visit_class_variable_operator_write_node(node)
  s(node, class_variable_write_type, node.name, s(node, :call, s(node, :cvar, node.name), node.binary_operator, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 467

def visit_class_variable_or_write_node(node)
  s(node, :op_asgn_or, s(node, :cvar, node.name), s(node, class_variable_write_type, node.name, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 432

def visit_class_variable_read_node(node)
  s(node, :cvar, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 475

def visit_class_variable_target_node(node)
  s(node, class_variable_write_type, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 443

def visit_class_variable_write_node(node)
  s(node, class_variable_write_type, node.name, visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 516

def visit_constant_and_write_node(node)
  s(node, :op_asgn_and, s(node, :const, node.name), s(node, :cdecl, node.name, visit(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 508

def visit_constant_operator_write_node(node)
  s(node, :cdecl, node.name, s(node, :call, s(node, :const, node.name), node.binary_operator, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 524

def visit_constant_or_write_node(node)
  s(node, :op_asgn_or, s(node, :const, node.name), s(node, :cdecl, node.name, visit(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 571

def visit_constant_path_and_write_node(node)
  s(node, :op_asgn_and, visit(node.target), visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 540

def visit_constant_path_node(node)
  if node.parent.nil?
    s(node, :colon3, node.name)
  else
    s(node, :colon2, visit(node.parent), node.name)
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 563

def visit_constant_path_operator_write_node(node)
  s(node, :op_asgn, visit(node.target), node.binary_operator, visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 579

def visit_constant_path_or_write_node(node)
  s(node, :op_asgn_or, visit(node.target), visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 587

def visit_constant_path_target_node(node)
  inner =
    if node.parent.nil?
      s(node, :colon3, node.name)
    else
      s(node, :colon2, visit(node.parent), node.name)
    end

  s(node, :const, inner)
end

# File 'lib/prism/translation/ruby_parser.rb', line 555

def visit_constant_path_write_node(node)
  s(node, :cdecl, visit(node.target), visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 489

def visit_constant_read_node(node)
  s(node, :const, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 532

def visit_constant_target_node(node)
  s(node, :cdecl, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 500

def visit_constant_write_node(node)
  s(node, :cdecl, node.name, visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 605

def visit_def_node(node)
  name = node.name_loc.slice.to_sym
  result =
    if node.receiver.nil?
      s(node, :defn, name)
    else
      s(node, :defs, visit(node.receiver), name)
    end

  result.line(node.name_loc.start_line)
  if node.parameters.nil?
    result << s(node, :args).line(node.name_loc.start_line)
  else
    result << visit(node.parameters)
  end

  if node.body.nil?
    result << s(node, :nil)
  elsif node.body.is_a?(StatementsNode)
    compiler = copy_compiler(in_def: true)
    result.concat(node.body.body.map { |child| child.accept(compiler) })
  else
    result << node.body.accept(copy_compiler(in_def: true))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 638

def visit_defined_node(node)
  s(node, :defined, visit(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1425

private def visit_destructured_parameter(node)
  children =
    [*node.lefts, *node.rest, *node.rights].map do |child|
      case child
      when RequiredParameterNode
        visit(child)
      when MultiTargetNode
        visit_destructured_parameter(child)
      when SplatNode
        :"*#{child.expression&.name}"
      else
        raise
      end
    end

  s(node, :masgn).concat(children)
end

# File 'lib/prism/translation/ruby_parser.rb', line 646

def visit_else_node(node)
  visit(node.statements)
end

# File 'lib/prism/translation/ruby_parser.rb', line 654

def visit_embedded_statements_node(node)
  result = s(node, :evstr)
  result << visit(node.statements) unless node.statements.nil?
  result
end

# File 'lib/prism/translation/ruby_parser.rb', line 664

def visit_embedded_variable_node(node)
  s(node, :evstr, visit(node.variable))
end

# File 'lib/prism/translation/ruby_parser.rb', line 672

def visit_ensure_node(node)
  node.statements.nil? ? s(node, :nil) : visit(node.statements)
end

# File 'lib/prism/translation/ruby_parser.rb', line 680

def visit_false_node(node)
  s(node, :false)
end

# File 'lib/prism/translation/ruby_parser.rb', line 688

def visit_find_pattern_node(node)
  s(node, :find_pat, visit_pattern_constant(node.constant), :"*#{node.left.expression&.name}", *visit_all(node.requireds), :"*#{node.right.expression&.name}")
end

# File 'lib/prism/translation/ruby_parser.rb', line 696

def visit_flip_flop_node(node)
  if node.left.is_a?(IntegerNode) && node.right.is_a?(IntegerNode)
    s(node, :lit, Range.new(node.left.value, node.right.value, node.exclude_end?))
  else
    s(node, node.exclude_end? ? :flip3 : :flip2, visit(node.left), visit(node.right))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 708

def visit_float_node(node)
  s(node, :lit, node.value)
end

# File 'lib/prism/translation/ruby_parser.rb', line 716

def visit_for_node(node)
  s(node, :for, visit(node.collection), visit(node.index), visit(node.statements))
end

# File 'lib/prism/translation/ruby_parser.rb', line 724

def visit_forwarding_arguments_node(node)
  s(node, :forward_args)
end

# File 'lib/prism/translation/ruby_parser.rb', line 732

def visit_forwarding_parameter_node(node)
  s(node, :forward_args)
end

# File 'lib/prism/translation/ruby_parser.rb', line 743

def visit_forwarding_super_node(node)
  visit_block(node, s(node, :zsuper), node.block)
end

# File 'lib/prism/translation/ruby_parser.rb', line 778

def visit_global_variable_and_write_node(node)
  s(node, :op_asgn_and, s(node, :gvar, node.name), s(node, :gasgn, node.name, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 770

def visit_global_variable_operator_write_node(node)
  s(node, :gasgn, node.name, s(node, :call, s(node, :gvar, node.name), node.binary_operator, visit(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 786

def visit_global_variable_or_write_node(node)
  s(node, :op_asgn_or, s(node, :gvar, node.name), s(node, :gasgn, node.name, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 751

def visit_global_variable_read_node(node)
  s(node, :gvar, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 794

def visit_global_variable_target_node(node)
  s(node, :gasgn, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 762

def visit_global_variable_write_node(node)
  s(node, :gasgn, node.name, visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 802

def visit_hash_node(node)
  s(node, :hash).concat(node.elements.flat_map { |element| visit(element) })
end

# File 'lib/prism/translation/ruby_parser.rb', line 810

def visit_hash_pattern_node(node)
  result = s(node, :hash_pat, visit_pattern_constant(node.constant)).concat(node.elements.flat_map { |element| visit(element) })

  case node.rest
  when AssocSplatNode
    result << s(node.rest, :kwrest, :"**#{node.rest.value&.name}")
  when NoKeywordsParameterNode
    result << visit(node.rest)
  end

  result
end

# File 'lib/prism/translation/ruby_parser.rb', line 833

def visit_if_node(node)
  s(node, :if, visit(node.predicate), visit(node.statements), visit(node.subsequent))
end

# File 'lib/prism/translation/ruby_parser.rb', line 838

def visit_imaginary_node(node)
  s(node, :lit, node.value)
end

# File 'lib/prism/translation/ruby_parser.rb', line 846

def visit_implicit_node(node)
end

# File 'lib/prism/translation/ruby_parser.rb', line 853

def visit_implicit_rest_node(node)
end

# File 'lib/prism/translation/ruby_parser.rb', line 860

def visit_in_node(node)
  pattern =
    if node.pattern.is_a?(ConstantPathNode)
      s(node.pattern, :const, visit(node.pattern))
    else
      node.pattern.accept(copy_compiler(in_pattern: true))
    end

  s(node, :in, pattern).concat(node.statements.nil? ? [nil] : visit_all(node.statements.body))
end

# File 'lib/prism/translation/ruby_parser.rb', line 890

def visit_index_and_write_node(node)
  arglist = nil

  if !node.arguments.nil? || !node.block.nil?
    arglist = s(node, :arglist).concat(visit_all(node.arguments&.arguments || []))
    arglist << visit(node.block) if !node.block.nil?
  end

  s(node, :op_asgn1, visit(node.receiver), arglist, :"&&", visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 875

def visit_index_operator_write_node(node)
  arglist = nil

  if !node.arguments.nil? || !node.block.nil?
    arglist = s(node, :arglist).concat(visit_all(node.arguments&.arguments || []))
    arglist << visit(node.block) if !node.block.nil?
  end

  s(node, :op_asgn1, visit(node.receiver), arglist, node.binary_operator, visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 905

def visit_index_or_write_node(node)
  arglist = nil

  if !node.arguments.nil? || !node.block.nil?
    arglist = s(node, :arglist).concat(visit_all(node.arguments&.arguments || []))
    arglist << visit(node.block) if !node.block.nil?
  end

  s(node, :op_asgn1, visit(node.receiver), arglist, :"||", visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 920

def visit_index_target_node(node)
  arguments = visit_all(node.arguments&.arguments || [])
  arguments << visit(node.block) unless node.block.nil?

  s(node, :attrasgn, visit(node.receiver), :[]=).concat(arguments)
end

# File 'lib/prism/translation/ruby_parser.rb', line 958

def visit_instance_variable_and_write_node(node)
  s(node, :op_asgn_and, s(node, :ivar, node.name), s(node, :iasgn, node.name, visit(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 950

def visit_instance_variable_operator_write_node(node)
  s(node, :iasgn, node.name, s(node, :call, s(node, :ivar, node.name), node.binary_operator, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 966

def visit_instance_variable_or_write_node(node)
  s(node, :op_asgn_or, s(node, :ivar, node.name), s(node, :iasgn, node.name, visit(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 931

def visit_instance_variable_read_node(node)
  s(node, :ivar, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 974

def visit_instance_variable_target_node(node)
  s(node, :iasgn, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 942

def visit_instance_variable_write_node(node)
  s(node, :iasgn, node.name, visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 982

def visit_integer_node(node)
  s(node, :lit, node.value)
end

# File 'lib/prism/translation/ruby_parser.rb', line 990

def visit_interpolated_match_last_line_node(node)
  parts = visit_interpolated_parts(node.parts)
  regexp =
    if parts.length == 1
      s(node, :lit, Regexp.new(parts.first, node.options))
    else
      s(node, :dregx).concat(parts).tap do |result|
        options = node.options
        result << options if options != 0
      end
    end

  s(node, :match, regexp)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1051

private def visit_interpolated_parts(parts)
  visited = []

  parts.each do |part|
    result = visit(part)

    if result[0] == :evstr && result[1]
      if result[1][0] == :str
        visited << result[1]
      elsif result[1][0] == :dstr
        visited.concat(result[1][1..-1])
      else
        visited << result
      end
      visited << :space
    elsif result[0] == :dstr
      if !visited.empty? && part.parts[0].is_a?(StringNode)
        # If we are in the middle of an implicitly concatenated string,
        # we should not have a bare string as the first part. In this
        # case we need to visit just that first part and then we can
        # push the rest of the parts onto the visited array.
        result[1] = visit(part.parts[0])
      end
      visited.concat(result[1..-1])
    else
      visited << result
    end
  end

  state = :beginning #: :beginning | :string_content | :interpolated_content
  results = []

  visited.each_with_index do |result, index|
    case state
    when :beginning
      if result.is_a?(String)
        results << result
        state = :string_content
      elsif result.is_a?(Array) && result[0] == :str
        results << result[1]
        state = :string_content
      else
        results << ""
        results << result
        state = :interpolated_content
      end
    when :string_content
      if result == :space
        # continue
      elsif result.is_a?(String)
        results[0] = "#{results[0]}#{result}"
      elsif result.is_a?(Array) && result[0] == :str
        results[0] = "#{results[0]}#{result[1]}"
      else
        results << result
        state = :interpolated_content
      end
    when :interpolated_content
      if result == :space
        # continue
      elsif visited[index - 1] != :space && result.is_a?(Array) && result[0] == :str && results[-1][0] == :str && (results[-1].line_max == result.line)
        results[-1][1] = "#{results[-1][1]}#{result[1]}"
        results[-1].line_max = result.line_max
      else
        results << result
      end
    end
  end

  results
end

# File 'lib/prism/translation/ruby_parser.rb', line 1009

def visit_interpolated_regular_expression_node(node)
  parts = visit_interpolated_parts(node.parts)

  if parts.length == 1
    s(node, :lit, Regexp.new(parts.first, node.options))
  else
    s(node, :dregx).concat(parts).tap do |result|
      options = node.options
      result << options if options != 0
    end
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1026

def visit_interpolated_string_node(node)
  parts = visit_interpolated_parts(node.parts)
  parts.length == 1 ? s(node, :str, parts.first) : s(node, :dstr).concat(parts)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1035

def visit_interpolated_symbol_node(node)
  parts = visit_interpolated_parts(node.parts)
  parts.length == 1 ? s(node, :lit, parts.first.to_sym) : s(node, :dsym).concat(parts)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1044

def visit_interpolated_x_string_node(node)
  source = node.heredoc? ? node.parts.first : node
  parts = visit_interpolated_parts(node.parts)
  parts.length == 1 ? s(source, :xstr, parts.first) : s(source, :dxstr).concat(parts)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1127

def visit_it_local_variable_read_node(node)
  s(node, :call, nil, :it)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1135

def visit_keyword_hash_node(node)
  s(node, :hash).concat(node.elements.flat_map { |element| visit(element) })
end

# File 'lib/prism/translation/ruby_parser.rb', line 1146

def visit_keyword_rest_parameter_node(node)
  :"**#{node.name}"
end

# File 'lib/prism/translation/ruby_parser.rb', line 1151

def visit_lambda_node(node)
  parameters =
    case node.parameters
    when nil, NumberedParametersNode
      s(node, :args)
    else
      visit(node.parameters)
    end

  if node.body.nil?
    s(node, :iter, s(node, :lambda), parameters)
  else
    s(node, :iter, s(node, :lambda), parameters, visit(node.body))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1202

def visit_local_variable_and_write_node(node)
  s(node, :op_asgn_and, s(node, :lvar, node.name), s(node, :lasgn, node.name, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1194

def visit_local_variable_operator_write_node(node)
  s(node, :lasgn, node.name, s(node, :call, s(node, :lvar, node.name), node.binary_operator, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1210

def visit_local_variable_or_write_node(node)
  s(node, :op_asgn_or, s(node, :lvar, node.name), s(node, :lasgn, node.name, visit_write_value(node.value)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1171

def visit_local_variable_read_node(node)
  if node.name.match?(/^_\d$/)
    s(node, :call, nil, node.name)
  else
    s(node, :lvar, node.name)
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1218

def visit_local_variable_target_node(node)
  s(node, :lasgn, node.name)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1186

def visit_local_variable_write_node(node)
  s(node, :lasgn, node.name, visit_write_value(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1226

def visit_match_last_line_node(node)
  s(node, :match, s(node, :lit, Regexp.new(node.unescaped, node.options)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1234

def visit_match_predicate_node(node)
  s(node, :case, visit(node.value), s(node, :in, node.pattern.accept(copy_compiler(in_pattern: true)), nil), nil)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1242

def visit_match_required_node(node)
  s(node, :case, visit(node.value), s(node, :in, node.pattern.accept(copy_compiler(in_pattern: true)), nil), nil)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1250

def visit_match_write_node(node)
  s(node, :match2, visit(node.call.receiver), visit(node.call.arguments.arguments.first))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1257

def visit_missing_node(node)
  raise "Cannot visit missing node directly"
end

# File 'lib/prism/translation/ruby_parser.rb', line 1265

def visit_module_node(node)
  name =
    if node.constant_path.is_a?(ConstantReadNode)
      node.name
    else
      visit(node.constant_path)
    end

  if node.body.nil?
    s(node, :module, name)
  elsif node.body.is_a?(StatementsNode)
    compiler = copy_compiler(in_def: false)
    s(node, :module, name).concat(node.body.body.map { |child| child.accept(compiler) })
  else
    s(node, :module, name, node.body.accept(copy_compiler(in_def: false)))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1287

def visit_multi_target_node(node)
  targets = [*node.lefts]
  targets << node.rest if !node.rest.nil? && !node.rest.is_a?(ImplicitRestNode)
  targets.concat(node.rights)

  s(node, :masgn, s(node, :array).concat(visit_all(targets)))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1299

def visit_multi_write_node(node)
  targets = [*node.lefts]
  targets << node.rest if !node.rest.nil? && !node.rest.is_a?(ImplicitRestNode)
  targets.concat(node.rights)

  value =
    if node.value.is_a?(ArrayNode) && node.value.opening_loc.nil?
      if node.value.elements.length == 1 && node.value.elements.first.is_a?(SplatNode)
        visit(node.value.elements.first)
      else
        visit(node.value)
      end
    else
      s(node.value, :to_ary, visit(node.value))
    end

  s(node, :masgn, s(node, :array).concat(visit_all(targets)), value)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1325

def visit_next_node(node)
  if node.arguments.nil?
    s(node, :next)
  elsif node.arguments.arguments.length == 1
    argument = node.arguments.arguments.first
    s(node, :next, argument.is_a?(SplatNode) ? s(node, :svalue, visit(argument)) : visit(argument))
  else
    s(node, :next, s(node, :array).concat(visit_all(node.arguments.arguments)))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1340

def visit_nil_node(node)
  s(node, :nil)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1348

def visit_no_keywords_parameter_node(node)
  in_pattern ? s(node, :kwrest, :"**nil") : :"**nil"
end

# File 'lib/prism/translation/ruby_parser.rb', line 1356

def visit_numbered_parameters_node(node)
  raise "Cannot visit numbered parameters directly"
end

# File 'lib/prism/translation/ruby_parser.rb', line 1364

def visit_numbered_reference_read_node(node)
  s(node, :nth_ref, node.number)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1372

def visit_optional_keyword_parameter_node(node)
  s(node, :kwarg, node.name, visit(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1380

def visit_optional_parameter_node(node)
  s(node, :lasgn, node.name, visit(node.value))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1388

def visit_or_node(node)
  left = visit(node.left)

  if left[0] == :or
    # ruby_parser has the or keyword as right-associative as opposed to
    # prism which has it as left-associative. We reverse that
    # associativity here.
    nest = left
    nest = nest[2] while nest[2][0] == :or
    nest[2] = s(node, :or, nest[2], visit(node.right))
    left
  else
    s(node, :or, left, visit(node.right))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1408

def visit_parameters_node(node)
  children =
    node.compact_child_nodes.map do |element|
      if element.is_a?(MultiTargetNode)
        visit_destructured_parameter(element)
      else
        visit(element)
      end
    end

  s(node, :args).concat(children)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1450

def visit_parentheses_node(node)
  if node.body.nil?
    s(node, :nil)
  else
    visit(node.body)
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1860

def visit_pattern_constant(node)
  case node
  when nil
    # nothing
  when ConstantReadNode
    visit(node)
  else
    s(node, :const, visit(node))
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1462

def visit_pinned_expression_node(node)
  node.expression.accept(copy_compiler(in_pattern: false))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1470

def visit_pinned_variable_node(node)
  if node.variable.is_a?(LocalVariableReadNode) && node.variable.name.match?(/^_\d$/)
    s(node, :lvar, node.variable.name)
  else
    visit(node.variable)
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1479

def visit_post_execution_node(node)
  s(node, :iter, s(node, :postexe), 0, visit(node.statements))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1484

def visit_pre_execution_node(node)
  s(node, :iter, s(node, :preexe), 0, visit(node.statements))
end

# File 'lib/prism/translation/ruby_parser.rb', line 1489

def visit_program_node(node)
  visit(node.statements)
end

# File 'lib/prism/translation/ruby_parser.rb', line 1509

private def visit_range_bounds_node(node)
  if node.is_a?(ParenthesesNode) && node.body.nil?
    s(node, :begin)
  else
    visit(node)
  end
end

# File 'lib/prism/translation/ruby_parser.rb', line 1497

def visit_range_node(node)
  if !in_pattern && !node.left.nil? && !node.right.nil? && ([node.left.type, node.right.type] - %i[nil_node integer_node]).empty?
    left = node.left.value if node.left.is_a?(IntegerNode)
    right = node.right.value if node.right.is_a?(IntegerNode)
    s(node, :lit, Range.new(left, right, node.exclude_end?))
  else
    s(node, node.exclude_end? ? :dot3 : :dot2, visit_range_bounds_node(node.left), visit_range_bounds_node(node.right))
  end
end