class Prism::Translation::RubyParser::Compiler

A prism visitor that builds Sexp objects.

Attributes

file [R]

This is the name of the file that we are compiling. We set it on every Sexp object that is generated, and also use it to compile __FILE__ nodes.

in_def [R]

Class variables will change their type based on if they are inside of a method definition or not, so we need to track that state.

in_pattern [R]

Some nodes will change their representation if they are inside of a pattern, so we need to track that state.

Public Class Methods

new (file, in_def: false, in_pattern: false)

Initialize a new compiler with the given file name.

# File lib/prism/translation/ruby_parser.rb, line 31
def initialize(file, in_def: false, in_pattern: false)
  @file = file
  @in_def = in_def
  @in_pattern = in_pattern
end

Public Instance Methods

visit_alias_global_variable_node (node)

alias $foo $bar ^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 45
def visit_alias_global_variable_node(node)
  s(node, :valias, node.new_name.name, node.old_name.name)
end
visit_alias_method_node (node)

alias foo bar ^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 39
def visit_alias_method_node(node)
  s(node, :alias, visit(node.new_name), visit(node.old_name))
end
visit_alternation_pattern_node (node)

foo => bar | baz

^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 51
def visit_alternation_pattern_node(node)
  s(node, :or, visit(node.left), visit(node.right))
end
visit_and_node (node)

a and b ^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 57
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
visit_arguments_node (node)

foo(bar)

^^^
# File lib/prism/translation/ruby_parser.rb, line 108
def visit_arguments_node(node)
  raise "Cannot visit arguments directly"
end
visit_array_node (node)

^^

# File lib/prism/translation/ruby_parser.rb, line 75
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
visit_array_pattern_node (node)

foo => [bar]

^^^^^
# File lib/prism/translation/ruby_parser.rb, line 85
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
visit_assoc_node (node)

{ a: 1 }

^^^^
# File lib/prism/translation/ruby_parser.rb, line 114
def visit_assoc_node(node)
  [visit(node.key), visit(node.value)]
end
visit_assoc_splat_node (node)

def foo(**); bar(**); end

^^

{ **foo }

^^^^^
# File lib/prism/translation/ruby_parser.rb, line 123
def visit_assoc_splat_node(node)
  if node.value.nil?
    [s(node, :kwsplat)]
  else
    [s(node, :kwsplat, visit(node.value))]
  end
end
visit_back_reference_read_node (node)

$+ ^^

# File lib/prism/translation/ruby_parser.rb, line 133
def visit_back_reference_read_node(node)
  s(node, :back_ref, node.name.name.delete_prefix("$").to_sym)
end
visit_begin_node (node)

begin end ^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 139
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
visit_block_argument_node (node)

foo(&bar)

^^^^
# File lib/prism/translation/ruby_parser.rb, line 172
def visit_block_argument_node(node)
  s(node, :block_pass).tap do |result|
    result << visit(node.expression) unless node.expression.nil?
  end
end
visit_block_local_variable_node (node)

foo { |; bar| }

^^^
# File lib/prism/translation/ruby_parser.rb, line 180
def visit_block_local_variable_node(node)
  node.name
end
visit_block_node (node)

A block on a keyword or method call.

# File lib/prism/translation/ruby_parser.rb, line 185
def visit_block_node(node)
  s(node, :block_pass, visit(node.expression))
end
visit_block_parameter_node (node)

def foo(&bar); end

^^^^
# File lib/prism/translation/ruby_parser.rb, line 191
def visit_block_parameter_node(node)
  :"&#{node.name}"
end
visit_block_parameters_node (node)

A block’s parameters.

# File lib/prism/translation/ruby_parser.rb, line 196
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
visit_break_node (node)

break ^^^^^

break foo ^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 236
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
visit_call_and_write_node (node)

foo.bar &&= baz ^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 304
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
visit_call_node (node)

foo ^^^

foo.bar ^^^^^^^

foo.bar() {} ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 254
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
visit_call_operator_write_node (node)

foo.bar += baz ^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 294
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
visit_call_or_write_node (node)

foo.bar ||= baz ^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 314
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
visit_call_target_node (node)

foo.bar, = 1 ^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 337
def visit_call_target_node(node)
  s(node, :attrasgn, visit(node.receiver), node.name)
end
visit_capture_pattern_node (node)

foo => bar => baz

^^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 343
def visit_capture_pattern_node(node)
  visit(node.target) << visit(node.value)
end
visit_case_match_node (node)

case foo; in bar; end ^^^^^^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 355
def visit_case_match_node(node)
  s(node, :case, visit(node.predicate)).concat(visit_all(node.conditions)) << visit(node.else_clause)
end
visit_case_node (node)

case foo; when bar; end ^^^^^^^^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 349
def visit_case_node(node)
  s(node, :case, visit(node.predicate)).concat(visit_all(node.conditions)) << visit(node.else_clause)
end
visit_class_node (node)

class Foo; end ^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 361
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
visit_class_variable_and_write_node (node)

@@foo &&= bar ^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 402
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
visit_class_variable_operator_write_node (node)

@@foo += bar ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 396
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
visit_class_variable_or_write_node (node)

@@foo ||= bar ^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 408
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
visit_class_variable_read_node (node)

@@foo ^^^^^

# File lib/prism/translation/ruby_parser.rb, line 381
def visit_class_variable_read_node(node)
  s(node, :cvar, node.name)
end
visit_class_variable_target_node (node)

@@foo, = bar ^^^^^

# File lib/prism/translation/ruby_parser.rb, line 414
def visit_class_variable_target_node(node)
  s(node, class_variable_write_type, node.name)
end
visit_class_variable_write_node (node)

@@foo = 1 ^^^^^^^^^

@@foo, @@bar = 1 ^^^^^ ^^^^^

# File lib/prism/translation/ruby_parser.rb, line 390
def visit_class_variable_write_node(node)
  s(node, class_variable_write_type, node.name, visit_write_value(node.value))
end
visit_constant_and_write_node (node)

Foo &&= bar ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 447
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
visit_constant_operator_write_node (node)

Foo += bar ^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 441
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
visit_constant_or_write_node (node)

Foo ||= bar ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 453
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
visit_constant_path_and_write_node (node)

Foo::Bar &&= baz ^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 490
def visit_constant_path_and_write_node(node)
  s(node, :op_asgn_and, visit(node.target), visit_write_value(node.value))
end
visit_constant_path_node (node)

Foo::Bar ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 465
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
visit_constant_path_operator_write_node (node)

Foo::Bar += baz ^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 484
def visit_constant_path_operator_write_node(node)
  s(node, :op_asgn, visit(node.target), node.binary_operator, visit_write_value(node.value))
end
visit_constant_path_or_write_node (node)

Foo::Bar ||= baz ^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 496
def visit_constant_path_or_write_node(node)
  s(node, :op_asgn_or, visit(node.target), visit_write_value(node.value))
end
visit_constant_path_target_node (node)

Foo::Bar, = baz ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 502
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
visit_constant_path_write_node (node)

Foo::Bar = 1 ^^^^^^^^^^^^

Foo::Foo, Bar::Bar = 1 ^^^^^^^^ ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 478
def visit_constant_path_write_node(node)
  s(node, :cdecl, visit(node.target), visit_write_value(node.value))
end
visit_constant_read_node (node)

Foo ^^^

# File lib/prism/translation/ruby_parser.rb, line 426
def visit_constant_read_node(node)
  s(node, :const, node.name)
end
visit_constant_target_node (node)

Foo, = bar ^^^

# File lib/prism/translation/ruby_parser.rb, line 459
def visit_constant_target_node(node)
  s(node, :cdecl, node.name)
end
visit_constant_write_node (node)

Foo = 1 ^^^^^^^

Foo, Bar = 1 ^^^ ^^^

# File lib/prism/translation/ruby_parser.rb, line 435
def visit_constant_write_node(node)
  s(node, :cdecl, node.name, visit_write_value(node.value))
end
visit_def_node (node)

def foo; end ^^^^^^^^^^^^

def self.foo; end ^^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 518
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
visit_defined_node (node)

defined? a ^^^^^^^^^^

defined?(a) ^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 549
def visit_defined_node(node)
  s(node, :defined, visit(node.value))
end
visit_else_node (node)

if foo then bar else baz end

^^^^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 555
def visit_else_node(node)
  visit(node.statements)
end
visit_embedded_statements_node (node)

“foo #{bar}”

^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 561
def visit_embedded_statements_node(node)
  result = s(node, :evstr)
  result << visit(node.statements) unless node.statements.nil?
  result
end
visit_embedded_variable_node (node)

“foo #@bar”

^^^^^
# File lib/prism/translation/ruby_parser.rb, line 569
def visit_embedded_variable_node(node)
  s(node, :evstr, visit(node.variable))
end
visit_ensure_node (node)

begin; foo; ensure; bar; end

^^^^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 575
def visit_ensure_node(node)
  node.statements.nil? ? s(node, :nil) : visit(node.statements)
end
visit_false_node (node)

false ^^^^^

# File lib/prism/translation/ruby_parser.rb, line 581
def visit_false_node(node)
  s(node, :false)
end
visit_find_pattern_node (node)

foo => [*, bar, *]

^^^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 587
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
visit_flip_flop_node (node)

if foo .. bar; end

^^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 593
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
visit_float_node (node)

1.0 ^^^

# File lib/prism/translation/ruby_parser.rb, line 603
def visit_float_node(node)
  s(node, :lit, node.value)
end
visit_for_node (node)

for foo in bar do end ^^^^^^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 609
def visit_for_node(node)
  s(node, :for, visit(node.collection), visit(node.index), visit(node.statements))
end
visit_forwarding_arguments_node (node)

def foo(…); bar(…); end

^^^
# File lib/prism/translation/ruby_parser.rb, line 615
def visit_forwarding_arguments_node(node)
  s(node, :forward_args)
end
visit_forwarding_parameter_node (node)

def foo(…); end

^^^
# File lib/prism/translation/ruby_parser.rb, line 621
def visit_forwarding_parameter_node(node)
  s(node, :forward_args)
end
visit_forwarding_super_node (node)

super ^^^^^

super {} ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 630
def visit_forwarding_super_node(node)
  visit_block(node, s(node, :zsuper), node.block)
end
visit_global_variable_and_write_node (node)

$foo &&= bar ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 657
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
visit_global_variable_operator_write_node (node)

$foo += bar ^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 651
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
visit_global_variable_or_write_node (node)

$foo ||= bar ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 663
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
visit_global_variable_read_node (node)

$foo ^^^^

# File lib/prism/translation/ruby_parser.rb, line 636
def visit_global_variable_read_node(node)
  s(node, :gvar, node.name)
end
visit_global_variable_target_node (node)

$foo, = bar ^^^^

# File lib/prism/translation/ruby_parser.rb, line 669
def visit_global_variable_target_node(node)
  s(node, :gasgn, node.name)
end
visit_global_variable_write_node (node)

$foo = 1 ^^^^^^^^

$foo, $bar = 1 ^^^^ ^^^^

# File lib/prism/translation/ruby_parser.rb, line 645
def visit_global_variable_write_node(node)
  s(node, :gasgn, node.name, visit_write_value(node.value))
end
visit_hash_node (node)

{} ^^

# File lib/prism/translation/ruby_parser.rb, line 675
def visit_hash_node(node)
  s(node, :hash).concat(node.elements.flat_map { |element| visit(element) })
end
visit_hash_pattern_node (node)

foo => {}

^^
# File lib/prism/translation/ruby_parser.rb, line 681
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
visit_if_node (node)

if foo then bar end ^^^^^^^^^^^^^^^^^^^

bar if foo ^^^^^^^^^^

foo ? bar : baz ^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 702
def visit_if_node(node)
  s(node, :if, visit(node.predicate), visit(node.statements), visit(node.subsequent))
end
visit_imaginary_node (node)

1i

# File lib/prism/translation/ruby_parser.rb, line 707
def visit_imaginary_node(node)
  s(node, :lit, node.value)
end
visit_implicit_node (node)

{ foo: }

^^^^
# File lib/prism/translation/ruby_parser.rb, line 713
def visit_implicit_node(node)
end
visit_implicit_rest_node (node)

foo { |bar,| }

^
# File lib/prism/translation/ruby_parser.rb, line 718
def visit_implicit_rest_node(node)
end
visit_in_node (node)

case foo; in bar; end ^^^^^^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 723
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
visit_index_and_write_node (node)

foo &&= baz ^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 749
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
visit_index_operator_write_node (node)

foo += baz ^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 736
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
visit_index_or_write_node (node)

foo ||= baz ^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 762
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
visit_index_target_node (node)

foo, = 1 ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 775
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
visit_instance_variable_and_write_node (node)

@foo &&= bar ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 805
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
visit_instance_variable_operator_write_node (node)

@foo += bar ^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 799
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
visit_instance_variable_or_write_node (node)

@foo ||= bar ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 811
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
visit_instance_variable_read_node (node)

@foo ^^^^

# File lib/prism/translation/ruby_parser.rb, line 784
def visit_instance_variable_read_node(node)
  s(node, :ivar, node.name)
end
visit_instance_variable_target_node (node)

@foo, = bar ^^^^

# File lib/prism/translation/ruby_parser.rb, line 817
def visit_instance_variable_target_node(node)
  s(node, :iasgn, node.name)
end
visit_instance_variable_write_node (node)

@foo = 1 ^^^^^^^^

@foo, @bar = 1 ^^^^ ^^^^

# File lib/prism/translation/ruby_parser.rb, line 793
def visit_instance_variable_write_node(node)
  s(node, :iasgn, node.name, visit_write_value(node.value))
end
visit_integer_node (node)

1 ^

# File lib/prism/translation/ruby_parser.rb, line 823
def visit_integer_node(node)
  s(node, :lit, node.value)
end
visit_interpolated_match_last_line_node (node)

if /foo #{bar}/ then end

^^^^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 829
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
visit_interpolated_regular_expression_node (node)

/foo #{bar}/ ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 846
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
visit_interpolated_string_node (node)

“foo #{bar}” ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 861
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
visit_interpolated_symbol_node (node)

:“foo #{bar}” ^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 868
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
visit_interpolated_x_string_node (node)

‘foo #{bar}` ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 875
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
visit_it_local_variable_read_node (node)

-> { it }

^^
# File lib/prism/translation/ruby_parser.rb, line 947
def visit_it_local_variable_read_node(node)
  s(node, :call, nil, :it)
end
visit_keyword_hash_node (node)

foo(bar: baz)

^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 953
def visit_keyword_hash_node(node)
  s(node, :hash).concat(node.elements.flat_map { |element| visit(element) })
end
visit_keyword_rest_parameter_node (node)

def foo(**bar); end

^^^^^

def foo(**); end

^^
# File lib/prism/translation/ruby_parser.rb, line 962
def visit_keyword_rest_parameter_node(node)
  :"**#{node.name}"
end
visit_lambda_node (node)

-> {}

# File lib/prism/translation/ruby_parser.rb, line 967
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
visit_local_variable_and_write_node (node)

foo &&= bar ^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1010
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
visit_local_variable_operator_write_node (node)

foo += bar ^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1004
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
visit_local_variable_or_write_node (node)

foo ||= bar ^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1016
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
visit_local_variable_read_node (node)

foo ^^^

# File lib/prism/translation/ruby_parser.rb, line 985
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
visit_local_variable_target_node (node)

foo, = bar ^^^

# File lib/prism/translation/ruby_parser.rb, line 1022
def visit_local_variable_target_node(node)
  s(node, :lasgn, node.name)
end
visit_local_variable_write_node (node)

foo = 1 ^^^^^^^

foo, bar = 1 ^^^ ^^^

# File lib/prism/translation/ruby_parser.rb, line 998
def visit_local_variable_write_node(node)
  s(node, :lasgn, node.name, visit_write_value(node.value))
end
visit_match_last_line_node (node)

if /foo/ then end

^^^^^
# File lib/prism/translation/ruby_parser.rb, line 1028
def visit_match_last_line_node(node)
  s(node, :match, s(node, :lit, Regexp.new(node.unescaped, node.options)))
end
visit_match_predicate_node (node)

foo in bar ^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1034
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
visit_match_required_node (node)

foo => bar ^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1040
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
visit_match_write_node (node)

/(?<foo>foo)/ =~ bar ^^^^^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1046
def visit_match_write_node(node)
  s(node, :match2, visit(node.call.receiver), visit(node.call.arguments.arguments.first))
end
visit_missing_node (node)

A node that is missing from the syntax tree. This is only used in the case of a syntax error. The parser gem doesn’t have such a concept, so we invent our own here.

# File lib/prism/translation/ruby_parser.rb, line 1053
def visit_missing_node(node)
  raise "Cannot visit missing node directly"
end
visit_module_node (node)

module Foo; end ^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1059
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
visit_multi_target_node (node)

foo, bar = baz ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1079
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
visit_multi_write_node (node)

foo, bar = baz ^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1089
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
visit_next_node (node)

next ^^^^

next foo ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1113
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
visit_nil_node (node)

nil ^^^

# File lib/prism/translation/ruby_parser.rb, line 1126
def visit_nil_node(node)
  s(node, :nil)
end
visit_no_keywords_parameter_node (node)

def foo(**nil); end

^^^^^
# File lib/prism/translation/ruby_parser.rb, line 1132
def visit_no_keywords_parameter_node(node)
  in_pattern ? s(node, :kwrest, :"**nil") : :"**nil"
end
visit_numbered_parameters_node (node)

-> { _1 + _2 } ^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1138
def visit_numbered_parameters_node(node)
  raise "Cannot visit numbered parameters directly"
end
visit_numbered_reference_read_node (node)

$1 ^^

# File lib/prism/translation/ruby_parser.rb, line 1144
def visit_numbered_reference_read_node(node)
  s(node, :nth_ref, node.number)
end
visit_optional_keyword_parameter_node (node)

def foo(bar: baz); end

^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 1150
def visit_optional_keyword_parameter_node(node)
  s(node, :kwarg, node.name, visit(node.value))
end
visit_optional_parameter_node (node)

def foo(bar = 1); end

^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 1156
def visit_optional_parameter_node(node)
  s(node, :lasgn, node.name, visit(node.value))
end
visit_or_node (node)

a or b ^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1162
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
visit_parameters_node (node)

def foo(bar, *baz); end

^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 1180
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
visit_parentheses_node (node)

() ^^

(1) ^^^

# File lib/prism/translation/ruby_parser.rb, line 1218
def visit_parentheses_node(node)
  if node.body.nil?
    s(node, :nil)
  else
    visit(node.body)
  end
end
visit_pinned_expression_node (node)

foo => ^(bar)

^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 1228
def visit_pinned_expression_node(node)
  node.expression.accept(copy_compiler(in_pattern: false))
end
visit_pinned_variable_node (node)

foo = 1 and bar => ^foo

^^^^
# File lib/prism/translation/ruby_parser.rb, line 1234
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
visit_post_execution_node (node)

END {}

# File lib/prism/translation/ruby_parser.rb, line 1243
def visit_post_execution_node(node)
  s(node, :iter, s(node, :postexe), 0, visit(node.statements))
end
visit_pre_execution_node (node)

BEGIN {}

# File lib/prism/translation/ruby_parser.rb, line 1248
def visit_pre_execution_node(node)
  s(node, :iter, s(node, :preexe), 0, visit(node.statements))
end
visit_program_node (node)

The top-level program node.

# File lib/prism/translation/ruby_parser.rb, line 1253
def visit_program_node(node)
  visit(node.statements)
end
visit_range_node (node)

0..5 ^^^^

# File lib/prism/translation/ruby_parser.rb, line 1259
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
visit_rational_node (node)

1r ^^

# File lib/prism/translation/ruby_parser.rb, line 1281
def visit_rational_node(node)
  s(node, :lit, node.value)
end
visit_redo_node (node)

redo ^^^^

# File lib/prism/translation/ruby_parser.rb, line 1287
def visit_redo_node(node)
  s(node, :redo)
end
visit_regular_expression_node (node)

/foo/ ^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1293
def visit_regular_expression_node(node)
  s(node, :lit, Regexp.new(node.unescaped, node.options))
end
visit_required_keyword_parameter_node (node)

def foo(bar:); end

^^^^
# File lib/prism/translation/ruby_parser.rb, line 1299
def visit_required_keyword_parameter_node(node)
  s(node, :kwarg, node.name)
end
visit_required_parameter_node (node)

def foo(bar); end

^^^
# File lib/prism/translation/ruby_parser.rb, line 1305
def visit_required_parameter_node(node)
  node.name
end
visit_rescue_modifier_node (node)

foo rescue bar ^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1311
def visit_rescue_modifier_node(node)
  s(node, :rescue, visit(node.expression), s(node.rescue_expression, :resbody, s(node.rescue_expression, :array), visit(node.rescue_expression)))
end
visit_rescue_node (node)

begin; rescue; end

^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 1317
def visit_rescue_node(node)
  exceptions =
    if node.exceptions.length == 1 && node.exceptions.first.is_a?(SplatNode)
      visit(node.exceptions.first)
    else
      s(node, :array).concat(visit_all(node.exceptions))
    end

  if !node.reference.nil?
    exceptions << (visit(node.reference) << s(node.reference, :gvar, :"$!"))
  end

  s(node, :resbody, exceptions).concat(node.statements.nil? ? [nil] : visit_all(node.statements.body))
end
visit_rest_parameter_node (node)

def foo(*bar); end

^^^^

def foo(*); end

^
# File lib/prism/translation/ruby_parser.rb, line 1337
def visit_rest_parameter_node(node)
  :"*#{node.name}"
end
visit_retry_node (node)

retry ^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1343
def visit_retry_node(node)
  s(node, :retry)
end
visit_return_node (node)

return ^^^^^^

return 1 ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1352
def visit_return_node(node)
  if node.arguments.nil?
    s(node, :return)
  elsif node.arguments.arguments.length == 1
    argument = node.arguments.arguments.first
    s(node, :return, argument.is_a?(SplatNode) ? s(node, :svalue, visit(argument)) : visit(argument))
  else
    s(node, :return, s(node, :array).concat(visit_all(node.arguments.arguments)))
  end
end
visit_self_node (node)

self ^^^^

# File lib/prism/translation/ruby_parser.rb, line 1365
def visit_self_node(node)
  s(node, :self)
end
visit_shareable_constant_node (node)

A shareable constant.

# File lib/prism/translation/ruby_parser.rb, line 1370
def visit_shareable_constant_node(node)
  visit(node.write)
end
visit_singleton_class_node (node)

class << self; end ^^^^^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1376
def visit_singleton_class_node(node)
  s(node, :sclass, visit(node.expression)).tap do |sexp|
    sexp << node.body.accept(copy_compiler(in_def: false)) unless node.body.nil?
  end
end
visit_source_encoding_node (node)

__ENCODING__ ^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1384
def visit_source_encoding_node(node)
  # TODO
  s(node, :colon2, s(node, :const, :Encoding), :UTF_8)
end
visit_source_file_node (node)

__FILE__ ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1391
def visit_source_file_node(node)
  s(node, :str, node.filepath)
end
visit_source_line_node (node)

__LINE__ ^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1397
def visit_source_line_node(node)
  s(node, :lit, node.location.start_line)
end
visit_splat_node (node)

foo(*bar)

^^^^

def foo((bar, *baz)); end

^^^^

def foo(*); bar(*); end

^
# File lib/prism/translation/ruby_parser.rb, line 1409
def visit_splat_node(node)
  if node.expression.nil?
    s(node, :splat)
  else
    s(node, :splat, visit(node.expression))
  end
end
visit_statements_node (node)

A list of statements.

# File lib/prism/translation/ruby_parser.rb, line 1418
def visit_statements_node(node)
  first, *rest = node.body

  if rest.empty?
    visit(first)
  else
    s(node, :block).concat(visit_all(node.body))
  end
end
visit_string_node (node)

“foo” ^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1430
def visit_string_node(node)
  unescaped = node.unescaped

  if node.forced_binary_encoding?
    unescaped.force_encoding(Encoding::BINARY)
  end

  s(node, :str, unescaped)
end
visit_super_node (node)

super(foo) ^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1442
def visit_super_node(node)
  arguments = node.arguments&.arguments || []
  block = node.block

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

  visit_block(node, s(node, :super).concat(visit_all(arguments)), block)
end
visit_symbol_node (node)

:foo ^^^^

# File lib/prism/translation/ruby_parser.rb, line 1456
def visit_symbol_node(node)
  node.value == "!@" ? s(node, :lit, :"!@") : s(node, :lit, node.unescaped.to_sym)
end
visit_true_node (node)

true ^^^^

# File lib/prism/translation/ruby_parser.rb, line 1462
def visit_true_node(node)
  s(node, :true)
end
visit_undef_node (node)

undef foo ^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1468
def visit_undef_node(node)
  names = node.names.map { |name| s(node, :undef, visit(name)) }
  names.length == 1 ? names.first : s(node, :block).concat(names)
end
visit_unless_node (node)

unless foo; bar end ^^^^^^^^^^^^^^^^^^^

bar unless foo ^^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1478
def visit_unless_node(node)
  s(node, :if, visit(node.predicate), visit(node.else_clause), visit(node.statements))
end
visit_until_node (node)

until foo; bar end ^^^^^^^^^^^^^^^^^

bar until foo ^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1487
def visit_until_node(node)
  s(node, :until, visit(node.predicate), visit(node.statements), !node.begin_modifier?)
end
visit_when_node (node)

case foo; when bar; end

^^^^^^^^^^^^^
# File lib/prism/translation/ruby_parser.rb, line 1493
def visit_when_node(node)
  s(node, :when, s(node, :array).concat(visit_all(node.conditions))).concat(node.statements.nil? ? [nil] : visit_all(node.statements.body))
end
visit_while_node (node)

while foo; bar end ^^^^^^^^^^^^^^^^^^

bar while foo ^^^^^^^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1502
def visit_while_node(node)
  s(node, :while, visit(node.predicate), visit(node.statements), !node.begin_modifier?)
end
visit_x_string_node (node)

‘foo` ^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1508
def visit_x_string_node(node)
  result = s(node, :xstr, node.unescaped)

  if node.heredoc?
    result.line = node.content_loc.start_line
    result.line_max = node.content_loc.end_line
  end

  result
end
visit_yield_node (node)

yield ^^^^^

yield 1 ^^^^^^^

# File lib/prism/translation/ruby_parser.rb, line 1524
def visit_yield_node(node)
  s(node, :yield).concat(visit_all(node.arguments&.arguments || []))
end