Class: RBI::RBSPrinter

Inherits:
Visitor show all
Defined in:
lib/rbi/rbs_printer.rb

Defined Under Namespace

Classes: Error

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Visitor

#visit

Constructor Details

#initialize(out: $stdout, indent: 0, print_locs: false, positional_names: true, max_line_length: nil, force_multiline_signatures: false) ⇒ RBSPrinter

: ( | ?out: (IO | StringIO), | ?indent: Integer, | ?print_locs: bool, | ?positional_names: bool, | ?max_line_length: Integer?, | ?force_multiline_signatures: bool | ) -> void



31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
# File 'lib/rbi/rbs_printer.rb', line 31

def initialize(
  out: $stdout,
  indent: 0,
  print_locs: false,
  positional_names: true,
  max_line_length: nil,
  force_multiline_signatures: false
)
  super()
  @out = out
  @current_indent = indent
  @print_locs = print_locs
  @in_visibility_group = false #: bool
  @previous_node = nil #: Node?
  @positional_names = positional_names #: bool
  @max_line_length = max_line_length #: Integer?
  @force_multiline_signatures = force_multiline_signatures #: bool
end

Instance Attribute Details

#current_indent ⇒ Object (readonly)

: Integer



15
16
17
 
# File 'lib/rbi/rbs_printer.rb', line 15

def current_indent
  @current_indent
end

#in_visibility_group ⇒ Object

: bool



9
10
11
 
# File 'lib/rbi/rbs_printer.rb', line 9

def in_visibility_group
  @in_visibility_group
end

#max_line_length ⇒ Object (readonly)

: Integer?



21
22
23
 
# File 'lib/rbi/rbs_printer.rb', line 21

def max_line_length
  @max_line_length
end

#positional_names ⇒ Object

: bool



18
19
20
 
# File 'lib/rbi/rbs_printer.rb', line 18

def positional_names
  @positional_names
end

#previous_node ⇒ Object (readonly)

: Node?



12
13
14
 
# File 'lib/rbi/rbs_printer.rb', line 12

def previous_node
  @previous_node
end

#print_locs ⇒ Object

: bool



9
10
11
 
# File 'lib/rbi/rbs_printer.rb', line 9

def print_locs
  @print_locs
end

Instance Method Details

#dedent ⇒ Object

: -> void



58
59
60
 
# File 'lib/rbi/rbs_printer.rb', line 58

def dedent
  @current_indent -= 2
end

#indent ⇒ Object

: -> void



53
54
55
 
# File 'lib/rbi/rbs_printer.rb', line 53

def indent
  @current_indent += 2
end

#print(string) ⇒ Object

Print a string without indentation nor \n at the end. : (String string) -> void



64
65
66
 
# File 'lib/rbi/rbs_printer.rb', line 64

def print(string)
  @out.print(string)
end

#print_attr_sig(node, sig) ⇒ Object

: (RBI::Attr node, Sig sig) -> void



311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
 
# File 'lib/rbi/rbs_printer.rb', line 311

def print_attr_sig(node, sig)
  ret_type = sig.return_type

  type = case node
  when AttrReader, AttrAccessor
    parse_type(ret_type).rbs_string
  else
    # For attr_writer, Sorbet will prioritize the return type over the argument type in case of mismatch
    arg_type = sig.params.first
    if arg_type && (ret_type.is_a?(Type::Void) || ret_type == "void")
      # If we have an argument type and the return type is void, we prioritize the argument type
      parse_type(arg_type.type).rbs_string
    else
      # Otherwise, we prioritize the return type
      parse_type(ret_type).rbs_string
    end
  end

  print(type)
end

#print_method_sig(node, sig) ⇒ Object

: (RBI::Method node, Sig sig) -> void



409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
 
# File 'lib/rbi/rbs_printer.rb', line 409

def print_method_sig(node, sig)
  old_out = @out
  new_out = StringIO.new

  @out = new_out
  print_method_sig_inline(node, sig)
  @out = old_out

  max_line_length = @max_line_length
  if @force_multiline_signatures || (max_line_length && new_out.string.size > max_line_length)
    print_method_sig_multiline(node, sig)
  else
    print(new_out.string)
  end
end

#print_method_sig_inline(node, sig) ⇒ Object

: (RBI::Method node, Sig sig) -> void



426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
 
# File 'lib/rbi/rbs_printer.rb', line 426

def print_method_sig_inline(node, sig)
  unless sig.type_params.empty?
    print("[#{sig.type_params.join(", ")}] ")
  end

  block_param = node.params.find { |param| param.is_a?(BlockParam) }
  sig_block_param = sig.params.find { |param| param.name == block_param&.name }

  sig_params = sig.params.dup
  if block_param
    sig_params.reject! do |param|
      param.name == block_param.name
    end
  end

  unless sig_params.empty?
    print("(")
    sig_params.each_with_index do |param, index|
      print(", ") if index > 0
      print_sig_param(node, param)
    end
    print(") ")
  end
  if sig_block_param
    block_type = sig_block_param.type
    block_type = Type.parse_string(block_type) if block_type.is_a?(String)

    block_is_nilable = false
    if block_type.is_a?(Type::Nilable)
      block_is_nilable = true
      block_type = block_type.type
    end

    type_string = parse_type(block_type).rbs_string.delete_prefix("^")

    skip = false
    case block_type
    when Type::Untyped
      type_string = "(?) -> untyped"
      block_is_nilable = true
    when Type::Simple
      type_string = "(?) -> untyped"
      skip = true if block_type.name == "NilClass"
    end

    if skip
      # no-op, we skip the block definition
    elsif block_is_nilable
      print("?{ #{type_string} } ")
    else
      print("{ #{type_string} } ")
    end
  end

  type = parse_type(sig.return_type)
  print("-> #{type.rbs_string}")

  loc = sig.loc
  print(" # #{loc}") if loc && print_locs
end

#print_method_sig_multiline(node, sig) ⇒ Object

: (RBI::Method node, Sig sig) -> void



488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
 
# File 'lib/rbi/rbs_printer.rb', line 488

def print_method_sig_multiline(node, sig)
  unless sig.type_params.empty?
    print("[#{sig.type_params.join(", ")}] ")
  end

  block_param = node.params.find { |param| param.is_a?(BlockParam) }
  sig_block_param = sig.params.find { |param| param.name == block_param&.name }

  sig_params = sig.params.dup
  if block_param
    sig_params.reject! do |param|
      param.name == block_param.name
    end
  end

  unless sig_params.empty?
    printl("(")
    indent
    sig_params.each_with_index do |param, index|
      printt
      print_sig_param(node, param)
      print(",") if index < sig_params.size - 1
      printn
    end
    dedent
    printt(") ")
  end
  if sig_block_param
    block_type = sig_block_param.type
    block_type = Type.parse_string(block_type) if block_type.is_a?(String)

    block_is_nilable = false
    if block_type.is_a?(Type::Nilable)
      block_is_nilable = true
      block_type = block_type.type
    end

    type_string = parse_type(block_type).rbs_string.delete_prefix("^")

    skip = false
    case block_type
    when Type::Untyped
      type_string = "(?) -> untyped"
      block_is_nilable = true
    when Type::Simple
      type_string = "(?) -> untyped"
      skip = true if block_type.name == "NilClass"
    end

    if skip
      # no-op, we skip the block definition
    elsif block_is_nilable
      print("?{ #{type_string} } ")
    else
      print("{ #{type_string} } ")
    end
  end

  type = parse_type(sig.return_type)
  print("-> #{type.rbs_string}")

  loc = sig.loc
  print(" # #{loc}") if loc && print_locs
end

#printl(string) ⇒ Object

Print a string with indentation and \n at the end. : (String string) -> void



84
85
86
87
 
# File 'lib/rbi/rbs_printer.rb', line 84

def printl(string)
  printt
  printn(string)
end

#printn(string = nil) ⇒ Object

Print a string without indentation but with a \n at the end. : (?String? string) -> void



70
71
72
73
 
# File 'lib/rbi/rbs_printer.rb', line 70

def printn(string = nil)
  print(string) if string
  print("\n")
end

#printt(string = nil) ⇒ Object

Print a string with indentation but without a \n at the end. : (?String? string) -> void



77
78
79
80
 
# File 'lib/rbi/rbs_printer.rb', line 77

def printt(string = nil)
  print(" " * @current_indent)
  print(string) if string
end

#visit_all(nodes) ⇒ Object

: (Array nodes) -> void



91
92
93
94
95
96
97
98
99
 
# File 'lib/rbi/rbs_printer.rb', line 91

def visit_all(nodes)
  previous_node = @previous_node
  @previous_node = nil
  nodes.each do |node|
    visit(node)
    @previous_node = node
  end
  @previous_node = previous_node
end

#visit_arg(node) ⇒ Object

: (Arg node) -> void



689
690
691
 
# File 'lib/rbi/rbs_printer.rb', line 689

def visit_arg(node)
  # no-op
end

#visit_attr(node) ⇒ Object

: (Attr node) -> void



279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
 
# File 'lib/rbi/rbs_printer.rb', line 279

def visit_attr(node)
  print_blank_line_before(node)

  node.names.each do |name|
    visit_all(node.comments)
    print_loc(node)
    printt
    unless in_visibility_group || node.visibility.public? || node.visibility.protected?
      print(node.visibility.visibility.name)
      print(" ")
    end
    case node
    when AttrAccessor
      print("attr_accessor")
    when AttrReader
      print("attr_reader")
    when AttrWriter
      print("attr_writer")
    end
    print(" #{name}")
    first_sig, *_rest = node.sigs # discard remaining signatures
    if first_sig
      print(": ")
      print_attr_sig(node, first_sig)
    else
      print(": untyped")
    end
    printn
  end
end

#visit_attr_accessor(node) ⇒ Object

: (AttrAccessor node) -> void



262
263
264
 
# File 'lib/rbi/rbs_printer.rb', line 262

def visit_attr_accessor(node)
  visit_attr(node)
end

#visit_attr_reader(node) ⇒ Object

: (AttrReader node) -> void



268
269
270
 
# File 'lib/rbi/rbs_printer.rb', line 268

def visit_attr_reader(node)
  visit_attr(node)
end

#visit_attr_writer(node) ⇒ Object

: (AttrWriter node) -> void



274
275
276
 
# File 'lib/rbi/rbs_printer.rb', line 274

def visit_attr_writer(node)
  visit_attr(node)
end

#visit_blank_line(node) ⇒ Object

: (BlankLine node) -> void



133
134
135
 
# File 'lib/rbi/rbs_printer.rb', line 133

def visit_blank_line(node)
  printn
end

#visit_block_param(node) ⇒ Object

: (BlockParam node) -> void



621
622
623
 
# File 'lib/rbi/rbs_printer.rb', line 621

def visit_block_param(node)
  print("{ (*untyped) -> untyped } ")
end

#visit_class(node) ⇒ Object

: (Class node) -> void



153
154
155
 
# File 'lib/rbi/rbs_printer.rb', line 153

def visit_class(node)
  visit_scope(node)
end

#visit_comment(node) ⇒ Object

: (Comment node) -> void



116
117
118
119
120
121
122
123
124
125
126
127
128
129
 
# File 'lib/rbi/rbs_printer.rb', line 116

def visit_comment(node)
  lines = node.text.lines

  if lines.empty?
    printl("#")
  end

  lines.each do |line|
    text = line.rstrip
    printt("#")
    print(" #{text}") unless text.empty?
    printn
  end
end

#visit_conflict_tree(node) ⇒ Object

: (ConflictTree node) -> void



825
826
827
828
829
830
831
 
# File 'lib/rbi/rbs_printer.rb', line 825

def visit_conflict_tree(node)
  printl("<<<<<<< #{node.left_name}")
  visit(node.left)
  printl("=======")
  visit(node.right)
  printl(">>>>>>> #{node.right_name}")
end

#visit_const(node) ⇒ Object

: (Const node) -> void



246
247
248
249
250
251
252
253
254
255
256
257
258
 
# File 'lib/rbi/rbs_printer.rb', line 246

def visit_const(node)
  print_blank_line_before(node)
  print_loc(node)
  visit_all(node.comments)

  type = parse_t_let(node.value)
  if type
    type = parse_type(type)
    printl("#{node.name}: #{type.rbs_string}")
  else
    printl("#{node.name}: untyped")
  end
end

#visit_extend(node) ⇒ Object

: (Extend node) -> void



633
634
635
 
# File 'lib/rbi/rbs_printer.rb', line 633

def visit_extend(node)
  visit_mixin(node)
end

#visit_file(file) ⇒ Object

: (File file) -> void



103
104
105
106
107
108
109
110
111
112
 
# File 'lib/rbi/rbs_printer.rb', line 103

def visit_file(file)
  unless file.comments.empty?
    visit_all(file.comments)
  end

  unless file.root.empty? && file.root.comments.empty?
    printn unless file.comments.empty?
    visit(file.root)
  end
end

#visit_group(node) ⇒ Object

: (Group node) -> void



798
799
800
801
 
# File 'lib/rbi/rbs_printer.rb', line 798

def visit_group(node)
  printn unless previous_node.nil?
  visit_all(node.nodes)
end

#visit_helper(node) ⇒ Object

: (Helper node) -> void



786
787
788
 
# File 'lib/rbi/rbs_printer.rb', line 786

def visit_helper(node)
  # no-op, we already show them in the scope header
end

#visit_include(node) ⇒ Object

: (Include node) -> void



627
628
629
 
# File 'lib/rbi/rbs_printer.rb', line 627

def visit_include(node)
  visit_mixin(node)
end

#visit_kw_arg(node) ⇒ Object

: (KwArg node) -> void



695
696
697
 
# File 'lib/rbi/rbs_printer.rb', line 695

def visit_kw_arg(node)
  # no-op
end

#visit_kw_opt_param(node) ⇒ Object

: (KwOptParam node) -> void



609
610
611
 
# File 'lib/rbi/rbs_printer.rb', line 609

def visit_kw_opt_param(node)
  print("?#{node.name}: untyped")
end

#visit_kw_param(node) ⇒ Object

: (KwParam node) -> void



603
604
605
 
# File 'lib/rbi/rbs_printer.rb', line 603

def visit_kw_param(node)
  print("#{node.name}: untyped")
end

#visit_kw_rest_param(node) ⇒ Object

: (KwRestParam node) -> void



615
616
617
 
# File 'lib/rbi/rbs_printer.rb', line 615

def visit_kw_rest_param(node)
  print("**#{node.name}: untyped")
end

#visit_method(node) ⇒ Object

: (Method node) -> void



334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
 
# File 'lib/rbi/rbs_printer.rb', line 334

def visit_method(node)
  print_blank_line_before(node)
  visit_all(node.comments)

  if node.sigs.any?(&:without_runtime)
    printl("# @without_runtime")
  end

  if node.sigs.any?(&:is_abstract)
    printl("# @abstract")
  end

  if node.sigs.any?(&:is_override)
    if node.sigs.any?(&:allow_incompatible_override)
      printl("# @override(allow_incompatible: true)")
    elsif node.sigs.any?(&:allow_incompatible_override_visibility)
      printl("# @override(allow_incompatible: :visibility)")
    else
      printl("# @override")
    end
  end

  if node.sigs.any?(&:is_overridable)
    printl("# @overridable")
  end

  if node.sigs.any?(&:is_final)
    printl("# @final")
  end

  print_loc(node)
  printt
  unless in_visibility_group || node.visibility.public?
    print(node.visibility.visibility.name)
    print(" ")
  end
  print("def ")
  print("self.") if node.is_singleton
  print(node.name)
  sigs = node.sigs
  print(": ")
  if sigs.any?
    first, *rest = sigs
    print_method_sig(
      node,
      first, #: as !nil
    )
    if rest.any?
      spaces = node.name.size + 4
      rest.each do |sig|
        printn
        printt
        print("#{" " * spaces}| ")
        print_method_sig(node, sig)
      end
    end
  else
    if node.params.any?
      params = node.params.grep_v(BlockParam)
      block = node.params.find { |param| param.is_a?(BlockParam) }

      print("(")
      params.each_with_index do |param, index|
        print(", ") if index > 0
        visit(param)
      end
      print(") ")
      visit(block)
    end
    print("-> untyped")
  end
  printn
end

#visit_mixes_in_class_methods(node) ⇒ Object

: (MixesInClassMethods node) -> void



792
793
794
 
# File 'lib/rbi/rbs_printer.rb', line 792

def visit_mixes_in_class_methods(node)
  visit_mixin(node)
end

#visit_mixin(node) ⇒ Object

: (Mixin node) -> void



638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
 
# File 'lib/rbi/rbs_printer.rb', line 638

def visit_mixin(node)
  return if node.is_a?(MixesInClassMethods) # no-op, `mixes_in_class_methods` is not supported in RBS

  print_blank_line_before(node)
  print_loc(node)
  visit_all(node.comments)

  case node
  when Include
    printt("include")
  when Extend
    printt("extend")
  end
  printn(" #{node.names.join(", ")}")
end

#visit_module(node) ⇒ Object

: (Module node) -> void



147
148
149
 
# File 'lib/rbi/rbs_printer.rb', line 147

def visit_module(node)
  visit_scope(node)
end

#visit_opt_param(node) ⇒ Object

: (OptParam node) -> void



583
584
585
586
587
588
589
 
# File 'lib/rbi/rbs_printer.rb', line 583

def visit_opt_param(node)
  if @positional_names
    print("?untyped #{node.name}")
  else
    print("?untyped")
  end
end

#visit_private(node) ⇒ Object

: (Private node) -> void



668
669
670
 
# File 'lib/rbi/rbs_printer.rb', line 668

def visit_private(node)
  visit_visibility(node)
end

#visit_protected(node) ⇒ Object

: (Protected node) -> void



662
663
664
 
# File 'lib/rbi/rbs_printer.rb', line 662

def visit_protected(node)
  # no-op, `protected` is not supported in RBS
end

#visit_public(node) ⇒ Object

: (Public node) -> void



656
657
658
 
# File 'lib/rbi/rbs_printer.rb', line 656

def visit_public(node)
  visit_visibility(node)
end

#visit_req_param(node) ⇒ Object

: (ReqParam node) -> void



573
574
575
576
577
578
579
 
# File 'lib/rbi/rbs_printer.rb', line 573

def visit_req_param(node)
  if @positional_names
    print("untyped #{node.name}")
  else
    print("untyped")
  end
end

#visit_requires_ancestor(node) ⇒ Object

: (RequiresAncestor node) -> void



819
820
821
 
# File 'lib/rbi/rbs_printer.rb', line 819

def visit_requires_ancestor(node)
  # no-op, we already show them in the scope header
end

#visit_rest_param(node) ⇒ Object

: (RestParam node) -> void



593
594
595
596
597
598
599
 
# File 'lib/rbi/rbs_printer.rb', line 593

def visit_rest_param(node)
  if @positional_names
    print("*untyped #{node.name}")
  else
    print("*untyped")
  end
end

#visit_scope(node) ⇒ Object

: (Scope node) -> void



170
171
172
173
174
175
176
177
 
# File 'lib/rbi/rbs_printer.rb', line 170

def visit_scope(node)
  print_blank_line_before(node)
  print_loc(node)
  visit_all(node.comments)

  visit_scope_header(node)
  visit_scope_body(node)
end

#visit_scope_body(node) ⇒ Object

: (Scope node) -> void



233
234
235
236
237
238
239
240
241
242
 
# File 'lib/rbi/rbs_printer.rb', line 233

def visit_scope_body(node)
  unless node.empty?
    indent
    visit_all(node.nodes)
    dedent
  end
  if !node.is_a?(Struct) || !node.empty?
    printl("end")
  end
end

#visit_scope_conflict(node) ⇒ Object

: (ScopeConflict node) -> void



835
836
837
838
839
840
841
842
843
844
845
846
 
# File 'lib/rbi/rbs_printer.rb', line 835

def visit_scope_conflict(node)
  print_blank_line_before(node)
  print_loc(node)
  visit_all(node.comments)

  printl("<<<<<<< #{node.left_name}")
  visit_scope_header(node.left)
  printl("=======")
  visit_scope_header(node.right)
  printl(">>>>>>> #{node.right_name}")
  visit_scope_body(node.left)
end

#visit_scope_header(node) ⇒ Object

: (Scope node) -> void



180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
 
# File 'lib/rbi/rbs_printer.rb', line 180

def visit_scope_header(node)
  node.nodes.grep(Helper).each do |helper|
    visit(Comment.new("@#{helper.name}"))
  end

  mixins = node.nodes.grep(MixesInClassMethods)
  if mixins.any?
    visit(Comment.new("@mixes_in_class_methods #{mixins.map(&:names).join(", ")}"))
  end

  ancestors = node.nodes.grep(RequiresAncestor)
  if ancestors.any?
    visit(Comment.new("@requires_ancestor #{ancestors.map(&:name).join(", ")}"))
  end

  case node
  when TStruct
    printt("class #{node.name}")
  when TEnum
    printt("class #{node.name}")
  when Module
    printt("module #{node.name}")
  when Class
    printt("class #{node.name}")
    superclass = node.superclass_name
    print(" < #{superclass}") if superclass
  when Struct
    printt("#{node.name} = ::Struct.new")
    if !node.members.empty? || node.keyword_init
      print("(")
      args = node.members.map { |member| ":#{member}" }
      args << "keyword_init: true" if node.keyword_init
      print(args.join(", "))
      print(")")
    end
  when SingletonClass
    printt("class << self")
  else
    raise Error, "Unhandled node: #{node.class}"
  end

  type_params = node.nodes.grep(TypeMember)
  if type_params.any?
    print("[#{type_params.map(&:name).join(", ")}]")
  end

  if !node.empty? && node.is_a?(Struct)
    print(" do")
  end
  printn
end

#visit_send(node) ⇒ Object

: (Send node) -> void



683
684
685
 
# File 'lib/rbi/rbs_printer.rb', line 683

def visit_send(node)
  # no-op, arbitrary sends are not supported in RBS
end

#visit_sig(node) ⇒ Object

: (Sig node) -> void



554
555
556
557
558
559
560
561
562
563
564
 
# File 'lib/rbi/rbs_printer.rb', line 554

def visit_sig(node)
  if node.params
    print("(")
    node.params.each do |param|
      visit(param)
    end
    print(") ")
  end

  print("-> #{parse_type(node.return_type).rbs_string}")
end

#visit_sig_param(node) ⇒ Object

: (SigParam node) -> void



567
568
569
 
# File 'lib/rbi/rbs_printer.rb', line 567

def visit_sig_param(node)
  print(parse_type(node.type).rbs_string)
end

#visit_singleton_class(node) ⇒ Object

: (SingletonClass node) -> void



165
166
167
 
# File 'lib/rbi/rbs_printer.rb', line 165

def visit_singleton_class(node)
  visit_scope(node)
end

#visit_struct(node) ⇒ Object

: (Struct node) -> void



159
160
161
 
# File 'lib/rbi/rbs_printer.rb', line 159

def visit_struct(node)
  visit_scope(node)
end

#visit_tenum(node) ⇒ Object

: (TEnum node) -> void



752
753
754
 
# File 'lib/rbi/rbs_printer.rb', line 752

def visit_tenum(node)
  visit_scope(node)
end

#visit_tenum_block(node) ⇒ Object

: (TEnumBlock node) -> void



758
759
760
 
# File 'lib/rbi/rbs_printer.rb', line 758

def visit_tenum_block(node)
  visit_all(node.nodes)
end

#visit_tenum_value(node) ⇒ Object

: (TEnumValue node) -> void



764
765
766
767
768
769
770
771
772
773
774
775
776
 
# File 'lib/rbi/rbs_printer.rb', line 764

def visit_tenum_value(node)
  print_blank_line_before(node)
  print_loc(node)
  visit_all(node.comments)

  t_enum = node.parent_scope&.parent_scope

  if t_enum.is_a?(TEnum)
    printl("#{node.name}: #{t_enum.name}")
  else
    printl("#{node.name}: untyped")
  end
end

#visit_tree(node) ⇒ Object

: (Tree node) -> void



139
140
141
142
143
 
# File 'lib/rbi/rbs_printer.rb', line 139

def visit_tree(node)
  visit_all(node.comments)
  printn if !node.comments.empty? && !node.empty?
  visit_all(node.nodes)
end

#visit_tstruct(node) ⇒ Object

: (TStruct node) -> void



701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
 
# File 'lib/rbi/rbs_printer.rb', line 701

def visit_tstruct(node)
  print_blank_line_before(node)
  print_loc(node)
  visit_all(node.comments)

  visit_scope_header(node)
  nodes = node.nodes.dup

  sig = Sig.new
  init = Method.new("initialize", sigs: [sig])
  last_field = -1
  nodes.each_with_index do |child, i|
    case child
    when TStructField
      default = child.default
      init << if default
        KwOptParam.new(child.name, default)
      else
        KwParam.new(child.name)
      end
      sig << SigParam.new(child.name, child.type)
      last_field = i
    end
  end
  nodes.insert(last_field + 1, init)

  indent
  visit_all(nodes)
  dedent

  printl("end")
end

#visit_tstruct_const(node) ⇒ Object

: (TStructConst node) -> void



736
737
738
739
740
 
# File 'lib/rbi/rbs_printer.rb', line 736

def visit_tstruct_const(node)
  # `T::Struct.const` is not supported in RBS instead we generate an attribute reader
  accessor = AttrReader.new(node.name.to_sym, comments: node.comments, sigs: [Sig.new(return_type: node.type)])
  visit_attr_reader(accessor)
end

#visit_tstruct_prop(node) ⇒ Object

: (TStructProp node) -> void



744
745
746
747
748
 
# File 'lib/rbi/rbs_printer.rb', line 744

def visit_tstruct_prop(node)
  # `T::Struct.prop` is not supported in RBS instead we generate an attribute accessor
  accessor = AttrAccessor.new(node.name.to_sym, comments: node.comments, sigs: [Sig.new(return_type: node.type)])
  visit_attr_accessor(accessor)
end

#visit_type_member(node) ⇒ Object

: (TypeMember node) -> void



780
781
782
 
# File 'lib/rbi/rbs_printer.rb', line 780

def visit_type_member(node)
  # no-op, we already show them in the scope header
end

#visit_visibility(node) ⇒ Object

: (Visibility node) -> void



673
674
675
676
677
678
679
 
# File 'lib/rbi/rbs_printer.rb', line 673

def visit_visibility(node)
  print_blank_line_before(node)
  print_loc(node)
  visit_all(node.comments)

  printl(node.visibility.name)
end

#visit_visibility_group(node) ⇒ Object

: (VisibilityGroup node) -> void



805
806
807
808
809
810
811
812
813
814
815
 
# File 'lib/rbi/rbs_printer.rb', line 805

def visit_visibility_group(node)
  self.in_visibility_group = true
  if node.visibility.public?
    printn unless previous_node.nil?
  else
    visit(node.visibility)
    printn
  end
  visit_all(node.nodes)
  self.in_visibility_group = false
end