Class: Sirop::Sourcifier

Inherits:
Prism::BasicVisitor
  • Object
show all
Defined in:
lib/sirop/sourcifier.rb

Constant Summary collapse

VISIT_PLANS = 
{
  alias_global_variable:      [:keyword_loc, :new_name, :old_name],
  alias_method:               [:keyword_loc, :new_name, :old_name],
  and:                        [:left, :operator_loc, :right],
  assoc:                      [:key, :operator_loc, :value],
  assoc_splat:                [:operator_loc, :value],
  back_reference_read:        :emit_verbatim,
  block:                      [:opening_loc, :parameters, :body, :closing_loc],
  block_argument:             [:operator_loc, :expression],
  block_local_variable:       :emit_verbatim,
  block_parameter:            [:operator_loc, :name_loc],
  break:                      [:keyword_loc, :arguments],
  capture_pattern:            [:value, :operator_loc, :target],
  class_variable_read:        :emit_verbatim,
  class_variable_target:      :emit_verbatim,
  class_variable_write:       [:name_loc, :operator_loc, :value],
  constant_path:              [:parent, :delimiter_loc, :child],
  constant_path_write:        [:target, :operator_loc, :value],
  constant_read:              :emit_verbatim,
  constant_write:             [:name_loc, :operator_loc, :value],
  defined:                    [:keyword_loc, :lparen_loc, :value, :rparen_loc],
  embedded_statements:        [:opening_loc, :statements, :closing_loc],
  embedded_variable:          [:operator_loc, :variable],
  false:                      :emit_verbatim,
  flip_flop:                  [:left, :operator_loc, :right],
  float:                      :emit_verbatim,
  forwarding_arguments:       :emit_verbatim,
  forwarding_parameter:       :emit_verbatim,
  forwarding_super:           :emit_verbatim,
  global_variable_read:       :emit_verbatim,
  global_variable_target:     :emit_verbatim,
  global_variable_write:      [:name_loc, :operator_loc, :value],
  imaginary:                  :emit_verbatim,
  implicit:                   :emit_nothing,
  implicit_rest:              :emit_nothing,
  in:                         [:in_loc, :pattern, :then_loc],
  index_target:               [:receiver, :opening_loc, :arguments, :closing_loc],
  instance_variable_read:     :emit_verbatim,
  instance_variable_target:   :emit_verbatim,
  instance_variable_write:    [:name_loc, :operator_loc, :value],
  integer:                    :emit_verbatim,
  keyword_rest_parameter:     [:operator_loc, :name_loc],
  keyword_parameter:          :emit_verbatim,
  local_variable_and_write:   [:name_loc, :operator_loc, :value],
  local_variable_operator_write: [:name_loc, :operator_loc, :value],
  local_variable_or_write:    [:name_loc, :operator_loc, :value],
  local_variable_read:        :emit_verbatim,
  local_variable_target:      :emit_verbatim,
  local_variable_write:       [:name_loc, :operator_loc, :value],
  match_predicate:            [:value, :operator_loc, :pattern],
  match_required:             [:value, :operator_loc, :pattern],
  match_write:                [:call],
  next:                       [:keyword_loc, :arguments],
  nil:                        :emit_verbatim,
  no_keywords_parameter:      :emit_verbatim,
  numbered_parameters:        :emit_nothing,
  optional_parameter:         [:name_loc, :operator_loc, :value],
  optional_keyword_parameter: [:name_loc, :value],
  or:                         [:left, :operator_loc, :right],
  parentheses:                [:opening_loc, :body, :closing_loc],
  pinned_expression:          [:operator_loc, :lparen_loc, :expression, :rparen_loc],
  pinned_variable:            [:operator_loc, :variable],
  range:                      [:left, :operator_loc, :right],
  rational:                   :emit_verbatim,
  redo:                       :emit_verbatim,
  regular_expression:         :emit_verbatim,
  required_parameter:         :emit_verbatim,
  required_keyword_parameter: :emit_verbatim,
  rescue_modifier:            [:expression, :keyword_loc, :rescue_expression],
  rest_parameter:             [:operator_loc, :name_loc],
  retry:                      :emit_verbatim,
  return:                     [:keyword_loc, :arguments],
  self:                       :emit_verbatim,
  source_encoding:            :emit_verbatim,
  source_file:                :emit_verbatim,
  source_line:                :emit_verbatim,
  splat:                      [:operator_loc, :expression],
  string:                     [:opening_loc, :content_loc, :closing_loc],
  symbol:                     :emit_verbatim,
  true:                       :emit_verbatim,
  x_string:                   :emit_verbatim,
  yield:                      [:keyword_loc, :lparen_loc, :arguments, :rparen_loc]
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Sourcifier

Returns a new instance of Sourcifier.



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# File 'lib/sirop/sourcifier.rb', line 94

def initialize
  @buffer = +''
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(sym, node, *args) ⇒ Object

Raises:

  • (NotImplementedError) 


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# File 'lib/sirop/sourcifier.rb', line 185

def method_missing(sym, node, *args)
  puts '!' * 40
  p node
  raise NotImplementedError, "Don't know how to handle #{sym}"
  visit_child_nodes(node)
end

Instance Attribute Details

#buffer ⇒ Object (readonly)

Returns the value of attribute buffer.



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# File 'lib/sirop/sourcifier.rb', line 92

def buffer
  @buffer
end

Instance Method Details

#adjust_whitespace(loc) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 116

def adjust_whitespace(loc)
  return if loc.is_a?(Sirop::Injection)

  if @last_loc_start
    line_diff = loc.start_line - @last_loc_end.first
    if line_diff > 0
      @buffer << "\n" * line_diff
      @buffer << ' ' * loc.start_column
    elsif line_diff == 0
      ofs = loc.start_column - @last_loc_end.last
      if ofs > 0
        @buffer << ' ' * ofs
      end
    end
  else
    # empty buffer
    @buffer << ' ' * loc.start_column
  end
  @last_loc = loc
  @last_loc_start = loc_start(loc)
  @last_loc_end = loc_end(loc)
end

#emit(str) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 112

def emit(str)
  @buffer << str
end

#emit_code(loc, semicolon: false, chomp: false) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 139

def emit_code(loc, semicolon: false, chomp: false)
  return if !loc

  if @last_loc
    loc_loc = loc.is_a?(Prism::Node) ? loc.location : loc
    return if loc_loc.slice == @last_loc.slice && loc_loc.start_line == @last_loc.start_line && 
      loc_loc.start_column == @last_loc.start_column
  end

  semicolon ||= @semicolon
  @semicolon = false
  emit_semicolon(loc) if semicolon
  return visit(loc) if loc.is_a?(Prism::Node)

  adjust_whitespace(loc)
  str = loc.slice
  str = str.chomp if chomp
  emit(str)
end

#emit_comma ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 172

def emit_comma
  emit_str(',')
end

#emit_nothing(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 163

def emit_nothing(node)
  # emit nothing
end

#emit_semicolon(loc) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 176

def emit_semicolon(loc)
  loc = loc.location if loc.is_a?(Prism::Node)
  if @last_loc && loc.start_line == @last_loc.end_line
    if @buffer[-1] != ';' && loc.start_column > @last_loc_end[1]
      emit_str(';')
    end
  end
end

#emit_str(str) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 167

def emit_str(str)
  emit(str)
  @last_loc_end[1] += str.size
end

#emit_verbatim(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 159

def emit_verbatim(node)
  emit_code(node.location)
end

#loc_end(loc) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 108

def loc_end(loc)
  [loc.end_line, loc.end_column]
end

#loc_start(loc) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 104

def loc_start(loc)
  [loc.start_line, loc.start_column]
end

#to_source(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 98

def to_source(node)
  @buffer.clear
  visit(node)
  @buffer
end

#visit_arguments_node(node, subscript = 0..-1)) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 270

def visit_arguments_node(node, subscript = 0..-1)
  visit_comma_separated_nodes(node.arguments[subscript])
end

#visit_array_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 465

def visit_array_node(node)
  emit_code(node.opening_loc)
  if node.opening_loc && node.opening_loc.slice =~ /^%/
    visit_space_separated_nodes(node.elements)
  else
    visit_comma_separated_nodes(node.elements)
  end
  emit_code(node.closing_loc)
end

#visit_array_pattern_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 608

def visit_array_pattern_node(node)
  emit_code(node.constant)
  emit_code(node.opening_loc)
  comma = visit_comma_separated_nodes(node.requireds, comma)
  if node.rest
    emit_comma if comma
    emit_code(node.rest)
    comma = true
  end
  visit_comma_separated_nodes(node.posts, comma)
  emit_code(node.closing_loc)
end

#visit_begin_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 498

def visit_begin_node(node)
  emit_code(node.begin_keyword_loc) #, semicolon: true)
  emit_code(node.statements, semicolon: true)
  emit_code(node.rescue_clause)
  emit_code(node.else_clause)
  emit_code(node.ensure_clause)
  emit_code(node.end_keyword_loc, semicolon: true) if node.begin_keyword_loc
end

#visit_block_parameters_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 637

def visit_block_parameters_node(node)
  emit_code(node.opening_loc)
  emit_code(node.injected_parameters)
  emit_code(node.parameters)
  @semicolon = true if node.parameters
  visit_comma_separated_nodes(node.locals)
  emit_code(node.closing_loc)
  @semicolon = false
end

#visit_call_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 364

def visit_call_node(node)
  if node.receiver && !node.call_operator_loc && !node.arguments && node.name != :[]
    return visit_call_node_unary_op(node)
  end

  if node.receiver && !node.call_operator_loc && node.name == :!
    return visit_call_node_unary_op(node)
  end

  if node.attribute_write?
    return visit_call_node_attribute_write(node)
  end

  block = node.block

  emit_code(node.receiver)
  emit_code(node.call_operator_loc)
  if (ml = node.message_loc)
    ol = node.opening_loc
    emit_message_loc = !ol || (ol.start_line != ml.start_line) || (ol.start_column != ml.start_column)
    emit_code(node.message_loc) if emit_message_loc
  end
  emit_code(node.opening_loc)
  emit_code(node.arguments)
  
  if block.is_a?(Prism::BlockArgumentNode)
    emit_comma if node.arguments && node.arguments.arguments.size > 0
    emit_code(block)
    block = nil
  end
  emit_code(node.closing_loc)
  emit_code(block)
end

#visit_call_node_attribute_write(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 405

def visit_call_node_attribute_write(node)
  emit_code(node.receiver)
  if node.call_operator_loc
    emit_code(node.call_operator_loc)
    emit_code(node.message_loc)
  end
  emit_code(node.opening_loc)
  comma = visit_arguments_node(node.arguments, 0..-2)
  if node.block
    emit_comma if comma
    emit_code(node.block)
  end
  emit_code(node.closing_loc)
  emit_str(" = ")
  emit_code(node.arguments.arguments[-1])
  return
end

#visit_call_node_unary_op(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 398

def visit_call_node_unary_op(node)
  emit_code(node.message_loc)
  emit_code(node.opening_loc)
  emit_code(node.receiver)
  emit_code(node.closing_loc)
end

#visit_call_target_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 423

def visit_call_target_node(node)
  emit_code(node.receiver)
  emit_code(node.call_operator_loc)
  emit_code(node.message_loc)
end

#visit_case_match_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 535

def visit_case_match_node(node)
  emit_code(node.case_keyword_loc)
  emit_code(node.predicate)
  @semicolon = true
  visit_comma_separated_nodes(node.conditions)
  emit_code(node.end_keyword_loc)
end

#visit_case_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 326

def visit_case_node(node)
  emit_code(node.case_keyword_loc)
  emit_code(node.predicate)
  node.conditions.each { |c| emit_code(c, semicolon: true) }
  emit_code(node.consequent, semicolon: true)
  emit_code(node.end_keyword_loc, semicolon: true)
end

#visit_class_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 543

def visit_class_node(node)
  emit_code(node.class_keyword_loc)
  emit_code(node.constant_path)
  emit_code(node.inheritance_operator_loc)
  emit_code(node.superclass)
  emit_code(node.body, semicolon: true)
  emit_code(node.end_keyword_loc, semicolon: true)
end

#visit_comma_separated_nodes(list, comma = false) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 213

def visit_comma_separated_nodes(list, comma = false)
  if list
    list.each do |child|
      emit_comma if comma
      emit_code(child)
      comma = true
    end
  end
  comma
end

#visit_def_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 347

def visit_def_node(node)
  emit_code(node.def_keyword_loc, semicolon: true)
  emit_code(node.receiver)
  emit_code(node.operator_loc)
  emit_code(node.name_loc)

  emit_code(node.lparen_loc)
  if node.parameters
    emit_code(node.parameters)
  end
  emit_code(node.rparen_loc)
  emit_code(node.equal_loc)
  emit_code(node.body, semicolon: !node.equal_loc)
  emit_code(node.end_keyword_loc, semicolon: true)
  @semicolon = true
end

#visit_else_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 530

def visit_else_node(node)
  emit_code(node.else_keyword_loc, semicolon: node.else_keyword_loc.slice == 'else')
  emit_code(node.statements, semicolon: node.else_keyword_loc.slice == 'else')
end

#visit_ensure_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 524

def visit_ensure_node(node)
  emit_code(node.ensure_keyword_loc, semicolon: true)
  emit_code(node.statements, semicolon: true)
  emit_code(node.end_keyword_loc, semicolon: true)
end

#visit_find_pattern_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 595

def visit_find_pattern_node(node)
  emit_code(node.constant)
  emit_code(node.opening_loc)
  emit_code(node.left)
  comma = node.left
  comma = visit_comma_separated_nodes(node.requireds, comma)
  if node.right
    emit_comma if comma
    emit_code(node.right)
  end
  emit_code(node.closing_loc)
end

#visit_for_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 573

def visit_for_node(node)
  emit_code(node.for_keyword_loc)
  emit_code(node.index)
  emit_code(node.in_keyword_loc)
  emit_code(node.collection)
  emit_code(node.do_keyword_loc)
  emit_code(node.statements, semicolon: true)
  emit_code(node.end_keyword_loc, semicolon: true)
end

#visit_hash_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 459

def visit_hash_node(node)
  emit_code(node.opening_loc)
  visit_comma_separated_nodes(node.elements)
  emit_code(node.closing_loc)
end

#visit_hash_pattern_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 621

def visit_hash_pattern_node(node)
  emit_code(node.constant)
  emit_code(node.opening_loc)
  visit_comma_separated_nodes(node.elements)
  emit_code(node.closing_loc)
end

#visit_if_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 278

def visit_if_node(node)
  if !node.if_keyword_loc
    return visit_if_node_ternary(node)
  elsif !node.end_keyword_loc
    return visit_if_node_guard(node)
  end

  emit_code(node.if_keyword_loc)
  emit_code(node.predicate)
  emit_code(node.then_keyword_loc)
  emit_code(node.statements, semicolon: true)
  emit_code(node.consequent) if node.consequent
  emit_code(node.end_keyword_loc, semicolon: true) if node.if_keyword_loc.slice == 'if'
end

#visit_if_node_guard(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 300

def visit_if_node_guard(node)
  emit_code(node.statements)        
  emit_code(node.if_keyword_loc)
  emit_code(node.predicate)
end

#visit_if_node_ternary(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 293

def visit_if_node_ternary(node)
  emit_code(node.predicate)
  emit_code(node.then_keyword_loc)
  emit_code(node.statements)
  emit_code(node.consequent)
end

#visit_index_operator_write_node(node) ⇒ Object Also known as: visit_index_and_write_node, visit_index_or_write_node 



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# File 'lib/sirop/sourcifier.rb', line 507

def visit_index_operator_write_node(node)
  emit_code(node.receiver)
  emit_code(node.opening_loc)
  emit_code(node.arguments)
  if node.block
    if !node.arguments.arguments.empty?
      emit_comma
    end
    emit_code(node.block)
  end
  emit_code(node.closing_loc)
  emit_code(node.operator_loc)
  emit_code(node.value)
end

#visit_interpolated_regular_expression_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 655

def visit_interpolated_regular_expression_node(node)
  emit_code(node.opening_loc)
  node.parts.each { |p| emit_code(p) }
  emit_code(node.closing_loc)
end

#visit_interpolated_symbol_node(node) ⇒ Object Also known as: visit_interpolated_string_node 



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# File 'lib/sirop/sourcifier.rb', line 340

def visit_interpolated_symbol_node(node)
  emit_code(node.opening_loc)
  node.parts.each { |p| emit_code(p) }
  emit_code(node.closing_loc)
end

#visit_interpolated_x_string_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 567

def visit_interpolated_x_string_node(node)
  emit_code(node.opening_loc)
  node.parts.each { |p| emit_code(p) }
  emit_code(node.closing_loc, chomp: true)
end

#visit_keyword_hash_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 274

def visit_keyword_hash_node(node)
  visit_comma_separated_nodes(node.elements)
end

#visit_lambda_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 647

def visit_lambda_node(node)
  emit_code(node.operator_loc)
  emit_code(node.parameters)
  emit_code(node.opening_loc)
  emit_code(node.body, semicolon: node.opening_loc.slice == 'do')
  emit_code(node.closing_loc, semicolon: node.closing_loc.slice == 'end')
end

#visit_module_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 552

def visit_module_node(node)
  emit_code(node.module_keyword_loc)
  emit_code(node.constant_path)
  emit_code(node.body, semicolon: true)
  emit_code(node.end_keyword_loc, semicolon: true)
end

#visit_multi_target_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 583

def visit_multi_target_node(node)
  emit_code(node.lparen_loc)
  comma = visit_comma_separated_nodes(node.lefts)
  if node.rest
    emit_comma if comma
    emit_code(node.rest)
    comma = true
  end
  visit_comma_separated_nodes(node.rights, comma)
  emit_code(node.rparen_loc)
end

#visit_multi_write_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 475

def visit_multi_write_node(node)
  emit_code(node.lparen_loc)
  comma = visit_comma_separated_nodes(node.lefts)
  if node.rest
    emit_comma if comma
    emit_code(node.rest)
    comma = true
  end
  visit_comma_separated_nodes(node.rights, comma)
  emit_code(node.rparen_loc)
  emit_code(node.operator_loc)
  emit_code(node.value)
end

#visit_parameters_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 232

def visit_parameters_node(node)
  comma = false
  # injected_prefix is a custom attribute added by Sirop to the
  # ParametersNode class (in lib/sirop/prism_ext.rb). It is used
  # as a way to add a first parameter to a block or method.
  if node.injected_prefix
    emit_code(node.injected_prefix)
    # adjust last_loc_end for proper whitespace after comma
    @last_loc_end[1] -= 2 if @last_loc_end
    # binding.irb
    comma = true
  end
  comma = visit_comma_separated_nodes(node.requireds, comma)
  comma = visit_comma_separated_nodes(node.optionals, comma)
  if node.rest
    emit_comma if comma
    emit_code(node.rest)
    comma = true
  end
  comma = visit_comma_separated_nodes(node.posts, comma)
  comma = visit_comma_separated_nodes(node.keywords, comma)
  # if node.rest
  #   emit_comma if comma
  #   comma = true
  #   emit_code(node.rest)
  # end
  if node.keyword_rest
    emit_comma if comma
    comma = true
    emit_code(node.keyword_rest)
  end
  if node.block
    emit_comma if comma
    comma = true
    emit_code(node.block)
  end
end

#visit_plan(plan, node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 197

def visit_plan(plan, node)
  return send(plan, node) if plan.is_a?(Symbol)

  insert_semicolon = false
  plan.each_with_index do |sym, idx|
    if sym == :semicolon
      insert_semicolon = true
      next
    end

    obj = node.send(sym)
    emit_code(obj, semicolon: insert_semicolon)
    insert_semicolon = false
  end
end

#visit_rescue_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 489

def visit_rescue_node(node)
  emit_code(node.keyword_loc, semicolon: true)
  visit_comma_separated_nodes(node.exceptions)
  emit_code(node.operator_loc)
  emit_code(node.reference)
  emit_code(node.statements, semicolon: true)
  emit_code(node.consequent)
end

#visit_singleton_class_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 559

def visit_singleton_class_node(node)
  emit_code(node.class_keyword_loc)
  emit_code(node.operator_loc)
  emit_code(node.expression)
  emit_code(node.body, semicolon: true)
  emit_code(node.end_keyword_loc, semicolon: true)
end

#visit_space_separated_nodes(list) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 224

def visit_space_separated_nodes(list)
  if list
    list.each do |child|
      emit_code(child)
    end
  end
end

#visit_statements_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 628

def visit_statements_node(node)
  first = true
  node.body&.each do |n|
    @semicolon = !first
    visit(n)
    first = false
  end
end

#visit_super_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 661

def visit_super_node(node)
  emit_code(node.keyword_loc)
  emit_code(node.lparen_loc)
  emit_code(node.arguments)
  emit_block_pre_rparen = node.block.is_a?(Prism::BlockArgumentNode)
  if emit_block_pre_rparen
    emit_comma if node.arguments
    emit_code(node.block)
  end
  emit_code(node.rparen_loc)
  emit_code(node.block) if !emit_block_pre_rparen
end

#visit_undef_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 674

def visit_undef_node(node)
  emit_code(node.keyword_loc)
  visit_comma_separated_nodes(node.names)
end

#visit_unless_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 306

def visit_unless_node(node)
  if !node.end_keyword_loc
    return visit_unless_node_guard(node)
  end

  emit_code(node.keyword_loc)
  emit_code(node.predicate)
  emit_code(node.then_keyword_loc)
  @semicolon = true
  emit_code(node.statements)
  emit_code(node.consequent) if node.consequent
  emit_code(node.end_keyword_loc, semicolon: true) if node.keyword_loc.slice == 'unless'
end

#visit_unless_node_guard(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 320

def visit_unless_node_guard(node)
  emit_code(node.statements)        
  emit_code(node.keyword_loc)
  emit_code(node.predicate)
end

#visit_until_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 444

def visit_until_node(node)
  return visit_until_node_guard(node) if !node.closing_loc

  emit_code(node.keyword_loc)
  emit_code(node.predicate)
  emit_code(node.statements, semicolon: true)
  emit_code(node.closing_loc, semicolon: true)
end

#visit_until_node_guard(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 453

def visit_until_node_guard(node)
  emit_code(node.statements)
  emit_code(node.keyword_loc)
  emit_code(node.predicate)
end

#visit_when_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 334

def visit_when_node(node)
  emit_code(node.keyword_loc)
  visit_comma_separated_nodes(node.conditions)
  emit_code(node.statements, semicolon: true)
end

#visit_while_node(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 429

def visit_while_node(node)
  return visit_while_node_guard(node) if !node.closing_loc

  emit_code(node.keyword_loc)
  emit_code(node.predicate)
  emit_code(node.statements, semicolon: true)
  emit_code(node.closing_loc, semicolon: true)
end

#visit_while_node_guard(node) ⇒ Object 



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# File 'lib/sirop/sourcifier.rb', line 438

def visit_while_node_guard(node)
  emit_code(node.statements)
  emit_code(node.keyword_loc)
  emit_code(node.predicate)
end