Module: CodeModels::Ruby

Defined in:
lib/codemodels/ruby/code.rb,
lib/codemodels/ruby/query.rb,
lib/codemodels/ruby/parser.rb,
lib/codemodels/ruby/version.rb,
lib/codemodels/ruby/language.rb,
lib/codemodels/ruby/metamodel.rb,
lib/codemodels/ruby/model_building.rb,
lib/codemodels/ruby/info_extraction.rb

Defined Under Namespace

Modules: InfoExtraction, RawNodeAccessModule, RubyInfoExtractionFunctionalities Classes: AbstractCodeBlock, AliasStatement, AndOperator, Argument, ArrayLiteral, Assignment, BackReference, BeginEndBlock, BinaryOperator, Block, BlockReference, BlockVarAccess, BlockVarAssignment, BooleanLiteral, BreakStatement, Call, CallToSuper, CaseStatement, ClassDecl, ClassVarAccess, ClassVarAssignment, CmdLineStringLiteral, CodeBlock, Constant, ConstantDecl, Def, DynamicRegExpLiteral, DynamicStringLiteral, DynamicSymbol, ElementAssignment, ElementOperationAssignment, ExplicitReceiverCall, FloatLiteral, ForStatement, FormalArgument, GlobalScopeReference, GlobalVarAccess, GlobalVarAssignment, HashLiteral, HashPair, IfStatement, ImplicitReceiverCall, InstanceDef, InstanceVarAccess, InstanceVarAssignment, IntLiteral, IsDefined, Literal, LiteralReference, LocalVarAccess, LocalVarAssignment, ModuleDecl, MultipleAssignment, NextStatement, NilLiteral, NthGroupReference, OperatorAssignment, OrAssignment, OrOperator, Parser, ParsingError, Range, RegExpLiteral, RegexMatcher, RegexTryer, RescueClause, RescueStatement, RetryStatement, Return, RubyLanguage, RubyNode, Self, SelfDef, SingletonClassDecl, Splat, SplittedArgument, Statement, StaticRegExpLiteral, StaticStringLiteral, StringLiteral, SuperCall, Symbol, UnaryOperation, UndefStatement, UnknownNodeType, UntilStatement, Value, VarAccess, VarAssignment, WhenClause, WhileStatement, YieldStatement

Constant Summary collapse

VERSION = 
"0.1.6"

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.skip_unknown_node ⇒ Object

Returns the value of attribute skip_unknown_node.



25
26
27
 
# File 'lib/codemodels/ruby/parser.rb', line 25

def skip_unknown_node
  @skip_unknown_node
end

Class Method Details

.args_to_model(args_node) ⇒ Object 



778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
 
# File 'lib/codemodels/ruby/parser.rb', line 778

def self.args_to_model(args_node)
  args=[]
  if args_node.is_a? ArrayNode
    #puts "ARGS #{args_node} #{args_node.size} #{args_node.class}"
    for i in 0..(args_node.size-1) 
      #puts "DEALING WITH #{i} #{args_node.get i} #{(args_node.get i).class}"
      args << node_to_model(args_node.get i)
    end
    args
  elsif args_node.is_a? ListNode 
    for i in 0..(args_node.size-1) 
      #puts "DEALING WITH #{i} #{args_node.get i} #{(args_node.get i).class}"
      args << node_to_model(args_node.get i)
    end
    args    
  elsif args_node.is_a? ArgsNode
    populate_from_list(args,args_node.pre) if args_node.pre
    populate_from_list(args,args_node.optional) if args_node.optional
    populate_from_list(args,args_node.rest) if args_node.rest
    populate_from_list(args,args_node.post) if args_node.post
    args
  elsif args_node.is_a? Node
    args << node_to_model(args_node)
    args
  else
    raise UnknownNodeType.new(args_node,'in args')
  end
end

.assert_node_type(node, type) ⇒ Object

Raises:



85
86
87
 
# File 'lib/codemodels/ruby/parser.rb', line 85

def self.assert_node_type(node,type)
  raise ParsingError.new(node,"AssertionFailed: #{type} expected but #{node.node_type.name} found") unless node.node_type.name==type
end

.body_node_to_contents(body_node, container_node) ⇒ Object 



111
112
113
114
115
116
117
118
119
120
121
122
 
# File 'lib/codemodels/ruby/parser.rb', line 111

def self.body_node_to_contents(body_node,container_node)
  body = node_to_model(body_node)
  if body
    if body.is_a? Ruby::Block 
      body.contents.each do |el|
        container_node.addContents(el)
      end
    else
      container_node.addContents( body )
    end
  end
end

.bool(value) ⇒ Object 



169
170
171
 
# File 'lib/codemodels/ruby/metamodel.rb', line 169

def self.bool(value)
  BooleanLiteral.build(value)
end

.clean_args(args) ⇒ Object 



767
768
769
770
771
772
773
774
775
776
 
# File 'lib/codemodels/ruby/parser.rb', line 767

def self.clean_args(args)
  for i in 0..(args.count-1) 
    if args[i].is_a? Ruby::MultipleAssignment
      old = args[i]
      args[i] = Ruby::SplittedArgument.new
      old.assignments.each {|a| args[i].names = args[i].names << a.name_assigned}
    end
  end
  args
end

.constant(first_part, *other_parts) ⇒ Object 



246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
 
# File 'lib/codemodels/ruby/metamodel.rb', line 246

def self.constant(first_part,*other_parts)
  cont = Constant.build(first_part)

  return cont if other_parts.count == 0

  new_first_part, *new_other_parts = other_parts

  internal_constant = constant(new_first_part, *new_other_parts)
  if internal_constant.container
    internal_constant.top_container.container = cont
  else
    internal_constant.container = cont
  end

  internal_constant
end

.containment_pos(node) ⇒ Object 



55
56
57
58
59
60
61
62
63
64
65
66
67
 
# File 'lib/codemodels/ruby/parser.rb', line 55

def self.containment_pos(node)
  container = node.eContainer
  children  = node.eContainer.send(node.eContainingFeature)
  if children.respond_to?(:each)
    children.each_with_index do |c,i|
      return i if c==node
    end
    raise "Not found"
  else
    raise "Not found" unless children==node
    0
  end
end

.corresponding_node(model_element, node_tree) ⇒ Object

node tree contains the original TO BE FIXED



71
72
73
74
75
76
77
78
79
80
81
82
83
 
# File 'lib/codemodels/ruby/parser.rb', line 71

def self.corresponding_node(model_element,node_tree)
  return node_tree unless model_element.eContainer
  corresponding_parent_node = corresponding_node(model_element.eContainer,node_tree)
  containment_pos = containment_pos(model_element)
  containing_feat = model_element.eContainingFeature

  children = corresponding_parent_node.send(containing_feat)
  if children.respond_to?(:each)
    children[containment_pos]
  else
    children
  end
end

.generate_model_per_file(src, dest, model_ext = 'rb.lm', max_nesting = 500, error_handler = nil) ⇒ Object 



27
28
29
30
31
32
 
# File 'lib/codemodels/ruby/model_building.rb', line 27

def self.generate_model_per_file(src,dest,model_ext='rb.lm',max_nesting=500,error_handler=nil)
  CodeModels::ModelBuilding.generate_model_per_file(src,dest,max_nesting,error_handler) do |src|
    root = Ruby.parse_file(src)
    CodeModels::Serialization.rgenobject_to_model(root)
  end
end

.generate_models_in_dir(src, dest, model_ext = 'rb.lm', max_nesting = 500, error_handler = nil) ⇒ Object 



20
21
22
23
24
25
 
# File 'lib/codemodels/ruby/model_building.rb', line 20

def self.generate_models_in_dir(src,dest,model_ext='rb.lm',max_nesting=500,error_handler=nil)
  CodeModels::ModelBuilding.generate_models_in_dir(src,dest,'rb',model_ext,max_nesting,error_handler) do |src|
    root = Ruby.parse_file(src)
    CodeModels::Serialization.rgenobject_to_model(root)
  end
end

.get_var_name_depending_on_parser_version(node, prefix_size = 1) ⇒ Object 



124
125
126
127
128
129
130
 
# File 'lib/codemodels/ruby/parser.rb', line 124

def self.get_var_name_depending_on_parser_version(node,prefix_size=1)
if node.respond_to? :lexical_name # depends on the version...
  return node.name
  else
    return node.name[prefix_size..-1]
  end
end

.handle_models_in_dir(src, error_handler = nil, model_handler) ⇒ Object 



7
8
9
10
11
 
# File 'lib/codemodels/ruby/model_building.rb', line 7

def self.handle_models_in_dir(src,error_handler=nil,model_handler)
  CodeModels::ModelBuilding.handle_models_in_dir(src,'rb',error_handler,model_handler) do |src|
    root = Ruby.parse_file(src)
  end
end

.handle_serialized_models_in_dir(src, error_handler = nil, model_handler) ⇒ Object 



13
14
15
16
17
18
 
# File 'lib/codemodels/ruby/model_building.rb', line 13

def self.handle_serialized_models_in_dir(src,error_handler=nil,model_handler)
  CodeModels::ModelBuilding.handle_models_in_dir(src,'rb',error_handler,model_handler) do |src|
    root = Ruby.parse_file(src)
    CodeModels::Serialization.rgenobject_to_model(root)
  end
end

.int(value) ⇒ Object 



173
174
175
 
# File 'lib/codemodels/ruby/metamodel.rb', line 173

def self.int(value)
  IntLiteral.build(value)
end

.is_call(node, name = nil, args = nil) ⇒ Object 



5
6
7
8
9
10
11
12
13
14
15
 
# File 'lib/codemodels/ruby/query.rb', line 5

def self.is_call(node,name=nil,args=nil)
  return false unless node.is_a? Ruby::Call
  return false if name and node.name!=name
  if args
    return false if args.count != node.args.count
    for i in 0..(args.count-1)
      return false unless args[i].eql?(node.args[i])
    end
  end
  true
end

.is_def(node, name = nil) ⇒ Object 



17
18
19
20
21
 
# File 'lib/codemodels/ruby/query.rb', line 17

def self.is_def(node,name=nil)
  return false unless node.is_a? Ruby::Def
  return false if name and node.name!=name
  true
end

.localvarac(name) ⇒ Object 



334
335
336
337
338
 
# File 'lib/codemodels/ruby/metamodel.rb', line 334

def self.localvarac(name)
  lva = LocalVarAccess.new
  lva.name = name
  lva
end

.my_args_flattener(args_node) ⇒ Object 



132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
 
# File 'lib/codemodels/ruby/parser.rb', line 132

def self.my_args_flattener(args_node)
  if args_node.node_type.name=='ARGSPUSHNODE'
    res = my_args_flattener(args_node.firstNode)
    res << node_to_model(args_node.secondNode)
    res
  elsif args_node.node_type.name=='ARGSCATNODE'
    res = my_args_flattener(args_node.firstNode)
    if args_node.secondNode.is_a?(ArrayNode)
      res.concat(my_args_flattener(args_node.secondNode))
    else
      res << Ruby.splat(node_to_model(args_node.secondNode))
    end
    res.class.class_eval do
      include RawNodeAccessModule
    end
    res.original_node = args_node.secondNode
    res
  elsif args_node.is_a? ListNode
    res = []
    for i in 0..(args_node.size-1) 
      res << node_to_model(args_node.get i)
    end
    res   
  elsif args_node.node_type.name=='SPLATNODE'
    res = []
    res << node_to_model(args_node)
    res
  else
    raise "Unknown: #{args_node.node_type.name} at #{args_node.position}, parent #{args_node.parent}"
  end
end

.node_to_model(node, parent_model = nil) ⇒ Object 



223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
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
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
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
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
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
486
487
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
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
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
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
 
# File 'lib/codemodels/ruby/parser.rb', line 223

def self.node_to_model(node,parent_model=nil)
  return nil if node==nil
  #puts "#{node} #{node.node_type.name}"
  case node.node_type.name
  when 'NEWLINENODE'
    model = node_to_model node.next_node

  ##
  ## Literals
  ##
  when 'FLOATNODE'
    model = Ruby::FloatLiteral.new
    model.value = node.value
    model
  when 'FIXNUMNODE'
    model = Ruby::IntLiteral.new
    model.value = node.value
    model
  when 'STRNODE'
    model = Ruby::StaticStringLiteral.new
    model.value = node.value
    model
  when 'DSTRNODE'
    model = Ruby::DynamicStringLiteral.new
    #model.value = node.value
    for i in 0..(node.size-1)
      model.addPieces( node_to_model(node.get i) )
    end
    model
  when 'DXSTRNODE'
    model = Ruby::CmdLineStringLiteral.new
    for i in 0...node.size
      model.addPieces( node_to_model(node.get i) )
    end
    model 
  when 'DSYMBOLNODE'
    model = Ruby::DynamicSymbol.new
    for i in 0...node.size
      model.addPieces( node_to_model(node.get i) )
    end
    model
  when 'DREGEXPNODE'
    model = Ruby::DynamicRegExpLiteral.new
    for i in 0...node.size
      model.addPieces( node_to_model(node.get i) )
    end
    model
  when 'NILNODE'
    begin
      implicit_nil = Java::OrgJrubyparserAst::NilImplicitNode
    rescue
      implicit_nil = nil # apparently the class was removed...
    end
    if implicit_nil && (node.is_a? Java::OrgJrubyparserAst::NilImplicitNode)
      return nil
    else
      #puts "NIL for #{node}"
      model = Ruby::NilLiteral.new
    end
  when 'FALSENODE'
    model = Ruby::BooleanLiteral.new
    model.value = false
    model
  when 'TRUENODE'
    model = Ruby::BooleanLiteral.new
    model.value = true
    model
  when 'REGEXPNODE'
    model = Ruby::StaticRegExpLiteral.new
    model.value = node.value
    model

  ###
  ### Variable accesses
  ###
  when 'LOCALVARNODE'
    model = Ruby::LocalVarAccess.new
    model.name = node.name
    model
  when 'DVARNODE'
    model = Ruby::BlockVarAccess.new
    model.name = node.name
    model
  when 'GLOBALVARNODE'
    model = Ruby::GlobalVarAccess.new
    model.name = get_var_name_depending_on_parser_version(node)
    model
  when 'CLASSVARNODE'
    model = Ruby::ClassVarAccess.new
    model.name = get_var_name_depending_on_parser_version(node,2)
    model
  when 'INSTVARNODE'
    model = Ruby::InstanceVarAccess.build get_var_name_depending_on_parser_version(node)   

  ###
  ### Variable Assignments
  ###
    when 'LOCALASGNNODE'
    model = Ruby::LocalVarAssignment.new
    model.name_assigned = node.name
    model.value = node_to_model(node.value)
    model    
    when 'DASGNNODE'
    model = Ruby::BlockVarAssignment.new
    model.name_assigned = node.name
    model.value = node_to_model(node.value)
    model       
  when 'GLOBALASGNNODE'
    model = Ruby::GlobalVarAssignment.new
    model.name_assigned = get_var_name_depending_on_parser_version(node)
    model.value = node_to_model(node.value)
    model    
  when 'CLASSVARASGNNODE'
    model = Ruby::ClassVarAssignment.new
    model.name_assigned = get_var_name_depending_on_parser_version(node,2)
    model.value = node_to_model(node.value)
    model    
  when 'INSTASGNNODE'
    model = Ruby::InstanceVarAssignment.new
    model.name_assigned = get_var_name_depending_on_parser_version(node)
    model.value = node_to_model(node.value)
    model

  ###
  ### Other assignments
  ###

  when 'OPELEMENTASGNNODE'
    model = Ruby::ElementOperationAssignment.new
    model.container = node_to_model(node.receiver)
    model.element = node_to_model(node.args[0])
    model.value = node_to_model(node.value)
    model.operator = node.operator_name
    model
  when 'ATTRASSIGNNODE'
    model = Ruby::ElementAssignment.new
    model.container = node_to_model(node.receiver)
    if node.args # apparently it can be null...
      model.element = node_to_model(node.args[0])
      model.value = node_to_model(node.args[1])
    end
    model
  when 'OPASGNORNODE'
    model = Ruby::OrAssignment.new
    # assigned : from access to variable
    # value    : from Assignment to value    
    model.assigned = node_to_model(node.first)
    model.value = node_to_model(node.second).value
    model
  when 'MULTIPLEASGNNODE'
    # TODO consider asterisk
    model = Ruby::MultipleAssignment.new
    if node.pre
      for i in 0..(node.pre.count-1)
        begin
          child = node.pre.get(i)
        rescue
          # sometimes it is not accessible... DON'T ASK!
          # maybe I should use childNodes instead of get...
          child = nil
        end
        model.addAssignments( node_to_model(child) ) if child
      end
    end
    values_model = node_to_model(node.value)
    if values_model.respond_to? :values
      values_model.values.each {|x| model.addValues(x) }
    else
      model.addValues( values_model )
    end
    # TODO consider rest and post!
    model
  when 'MULTIPLEASGN19NODE'
      # TODO consider asterisk
    model = Ruby::MultipleAssignment.new
    if node.pre
      for i in 0..(node.pre.count-1)
        model.addAssignments( node_to_model(node.pre.get(i)) )
      end
    end
    values_model = node_to_model(node.value)
    if values_model.respond_to? :values
      values_model.values.each {|x| model.addValues(x)}
    else
      model.addValues( values_model )
    end
    # TODO consider rest and post!
    model
  when 'OPASGNNODE'
    model = Ruby::OperatorAssignment.new
    model.value = node_to_model(node.valueNode)
    model.container = node_to_model(node.receiverNode)
    model.element_name = node.variable_name
    model.operator_name = node.operator_name
      model

  ###
  ### Constants
  ###

  when 'CONSTDECLNODE'
    model = Ruby::ConstantDecl.new
    model.name = node.name
    model.value = node_to_model(node.value)
    model

  ###
  ### Statements
  ###

  when 'ALIASNODE'
    model = Ruby::AliasStatement.new
    model.old_name = node_to_model(node.oldName)
    model.new_name = node_to_model(node.newName)
    model
  when 'CASENODE'
    model = Ruby::CaseStatement.new
    for ci in 0..(node.cases.count-1)
      c = node.cases[ci]
      model.addWhen_clauses( node_to_model(c) )
    end
    model.else_body = node_to_model(node.else)
    model
  when 'WHENNODE'
    model = Ruby::WhenClause.new
    model.body = node_to_model(node.body)
    model.condition = node_to_model(node.expression)
    model
  when 'UNDEFNODE'
    model = Ruby::UndefStatement.new
    model.name = node_to_model(node.name)
    model
  when 'WHILENODE'
    model = Ruby::WhileStatement.new
    model.body = node_to_model(node.body)
    model.condition = node_to_model(node.condition)
    model
  when 'FORNODE'
    model = Ruby::ForStatement.new
    model.body = node_to_model(node.body)
    model.collection = node_to_model(node.iter)
    model.iterator = node_to_model(node.var)
    model    
  when 'BREAKNODE'
    model = Ruby::BreakStatement.new
  when 'UNTILNODE'
    model = Ruby::UntilStatement.new
    model.body = node_to_model(node.body)
    model.condition = node_to_model(node.condition)
    model    
  when 'RESCUENODE'
    model = Ruby::RescueStatement.new
    model.body = node_to_model(node.body)
    model.value = node_to_model(node.rescueNode.body)
    model

  ###
  ### The rest
  ###

  when 'NTHREFNODE'
    model = Ruby::NthGroupReference.build(node.matchNumber)
  when 'YIELDNODE'
    model = Ruby::YieldStatement.new
  when 'NEXTNODE'
    model = Ruby::NextStatement.new    
  when 'COLON3NODE'
    model = Ruby::GlobalScopeReference.new
    model.name = node.name
    model
  when 'DOTNODE'
    model = Ruby::Range.new
    model.lower = node_to_model(node.beginNode)
    model.upper = node_to_model(node.endNode)
    model
  when 'MATCH2NODE'
    model = Ruby::RegexTryer.new
    model.checked_value = node_to_model(node.value)
    model.regex = node_to_model(node.receiver)
    model    
  when 'MATCH3NODE'
    model = Ruby::RegexMatcher.new
    model.checked_value = node_to_model(node.value)
    model.regex = node_to_model(node.receiver)
    model
  when 'LITERALNODE'
    model = Ruby::LiteralReference.new
    model.value = node.name
    model
  when 'SELFNODE'
    model = Ruby::Self.new
    model
  when 'ZSUPERNODE'
    model = Ruby::CallToSuper.new
    if node.iter
      model.block_arg = node_to_model(node.iter)
    end
    model    
  when 'SUPERNODE'
    model = Ruby::SuperCall.new
  
    if node.args.node_type.name == 'BLOCKPASSNODE'
      model.block_arg = node_to_model(node.args)
      args_to_process = node.args.args
    else
      args_to_process = node.args
    end

    if node.iter==nil and args_to_process.is_a?IterNode     
      model.block_arg = node_to_model(args_to_process)
      # no args
    else
      model.block_arg = node_to_model(node.iter) if node.iter
      model.args = my_args_flattener(args_to_process) if args_to_process
    end

    model    
  when 'CALLNODE'
    model = Ruby::ExplicitReceiverCall.new
    model.name = node.name
    model.receiver = node_to_model node.receiver
    
    if node.args.node_type.name == 'BLOCKPASSNODE'
      model.block_arg = node_to_model(node.args)
      args_to_process = node.args.args
    else
      args_to_process = node.args
    end

    if node.iter==nil and args_to_process.is_a?IterNode     
      model.block_arg = node_to_model(args_to_process)
      # no args
    else
      model.block_arg = node_to_model(node.iter) if node.iter
      model.args = my_args_flattener(args_to_process) if args_to_process
    end

    model
  when 'VCALLNODE'
    model = Ruby::ExplicitReceiverCall.new
    model.name = node.name
    model
  when 'FCALLNODE'
    model = Ruby::ImplicitReceiverCall.new
    model.name = node.name

    if node.args.node_type.name == 'BLOCKPASSNODE'
      model.block_arg = node_to_model(node.args)
      args_to_process = node.args.args
    else
      args_to_process = node.args
    end

    if node.iter==nil and args_to_process.is_a?IterNode     
      model.block_arg = node_to_model(args_to_process)
      # no args
    else
      model.block_arg = node_to_model(node.iter) if node.iter
      model.args = my_args_flattener(args_to_process) if args_to_process
    end

    model   
  when 'DEFNNODE'
    model = Ruby::InstanceDef.new
    model.name = node.name
    process_formal_args(node,model)
    process_body(node,model)
    model
  when 'DEFSNODE'
    model = Ruby::SelfDef.new
    model.name = node.name
    process_formal_args(node,model)
    process_body(node,model)
    model
  when 'BLOCKNODE'
    model = Ruby::Block.new   
    for i in 0..(node.size-1)
      content_at_i = node_to_model(node.get i)
      #puts "Adding to contents #{content_at_i}" 
      model.addContents( content_at_i )
      #puts "Contents #{model.contents.class}"
    end
    model
  when 'BACKREFNODE'
    model = Ruby::BackReference.new
  when 'EVSTRNODE'
    model = node_to_model(node.body)
  when 'CLASSNODE'
    model = Ruby::ClassDecl.new
    model.defname = node_to_model(node.getCPath)
    model.super_class = node_to_model(node.super)
    body_node_to_contents(node.body_node,model)
    model
  when 'SCLASSNODE'
    model = Ruby::SingletonClassDecl.new
    model.object = node_to_model(node.receiver)
    body_node_to_contents(node.body_node,model)
    model   
  when 'MODULENODE'
    model = Ruby::ModuleDecl.new
    model.defname = node_to_model(node.getCPath)
    body_node_to_contents(node.body_node,model)
    model
  when 'COLON2NODE'
    model = Ruby::Constant.new
    model.name = node.name
    model.container = node_to_model(node.left_node)
    model
  when 'SYMBOLNODE'
    model = Ruby::Symbol.new
    model.name = node.name
    model
  when 'CONSTNODE'
    model = Ruby::Constant.new
    model.name = node.name
    model
  when 'IFNODE'
    model = Ruby::IfStatement.new
    model.condition = node_to_model(node.condition)
    model.then_body = node_to_model(node.then_body)      
    model.else_body = node_to_model(node.else_body)
    model    
  when 'HASHNODE'
    model = Ruby::HashLiteral.new
    count = node.get_list_node.count / 2
    for i in 0..(count-1)
      k_node = node.get_list_node[i*2]
      k = node_to_model(k_node)
      v_node = node.get_list_node[i*2 +1]
      v = node_to_model(v_node)
      pair = Ruby::HashPair.build key: k, value: v
      model.addPairs(pair)
    end
    model
  when 'DEFINEDNODE'
    model = Ruby::IsDefined.new
    model.value = node_to_model(node.expression)
    model
  when 'ARRAYNODE'
    model = Ruby::ArrayLiteral.new
    for i in 0..(node.count-1)
      v_node = node[i]
      v = node_to_model(v_node)
      model.addValues(v)
    end
    model
  when 'SPLATNODE'
    model = Ruby::Splat.new
    model.splatted = node_to_model(node.value)
    model
  when 'UNARYCALLNODE'
    model = Ruby::UnaryOperation.new
    model.value = node_to_model(node.receiver)
    model.operator_name = node.lexical_name
    model
  when 'ZARRAYNODE'
    model = Ruby::ArrayLiteral.new
  when 'RETRYNODE'
    model = Ruby::RetryStatement.new
  when 'BEGINNODE'
    model = Ruby::BeginEndBlock.new
    process_body(node,model)
    model
  when 'RETURNNODE'
    model = Ruby::Return.new
    model.value = node_to_model(node.value)
    model
  when 'ANDNODE'
    model = Ruby::AndOperator.new
    model.left = node_to_model(node.first)
    model.right = node_to_model(node.second)
    model
  when 'ORNODE'
    model = Ruby::OrOperator.new
    model.left = node_to_model(node.first)
    model.right = node_to_model(node.second)
    model
  when 'ITERNODE'
    model = Ruby::CodeBlock.new
    model.args = clean_args(args_to_model(node.var))
    model.body = node_to_model(node.body)
    model
  when 'ARGUMENTNODE'
    model = Ruby::Argument.new
    model.name = node.name
    model
  when 'RESTARG'
    model = Ruby::Argument.new
    model.name = node.name
    model    
  when 'BLOCKPASSNODE'
    model = Ruby::BlockReference.new
    #raise ParsingError.new(node,"Unexpected something that is not a symbol but a #{node.body}") unless node.body.is_a? SymbolNode
    model.value = node_to_model(node.body)
    model
  when 'ARGSCATNODE'
    model = Ruby::ArrayLiteral.new
    model.values = my_args_flattener(node)
    model
  when 'ARGSPUSHNODE'
    model = Ruby::ArrayLiteral.new
    model.values = my_args_flattener(node)
    model    
  when 'OPTARGNODE'
    model = Ruby::FormalArgument.new
    model.name = node.name
    model.default_value = node_to_model(node.value)
    model
  else   
    #n = node
    #while n
    # puts "> #{n}"
    # n = n.parent
    #end
    unknown_node_type_found(node)
    #raise "I don't know how to deal with #{node.node_type.name} (position: #{node.position})"
  end
  model.class.class_eval do
    include RawNodeAccessModule
  end
  #puts "Setting variable for #{model} to #{node}" if model.is_a?(InstanceDef)
  #model.instance_variable_set(:@original_node,node)
  model.original_node = node
  model
end

.node_tree_from_code(code) ⇒ Object 



100
101
102
 
# File 'lib/codemodels/ruby/parser.rb', line 100

def self.node_tree_from_code(code)
  JRubyParser.parse(code, {:version=>JRubyParser::Compat::RUBY2_0})
end

.parse(code) ⇒ Object

DEPRECATED



96
97
98
 
# File 'lib/codemodels/ruby/parser.rb', line 96

def self.parse(code)
  parse_code(code)
end

.parse_code(code) ⇒ Object 



90
91
92
93
 
# File 'lib/codemodels/ruby/parser.rb', line 90

def self.parse_code(code)
  tree = JRubyParser.parse(code, {:version=>JRubyParser::Compat::RUBY2_0})
  tree_to_model(tree)
end

.parse_file(path) ⇒ Object 



28
29
30
31
 
# File 'lib/codemodels/ruby/parser.rb', line 28

def self.parse_file(path)
  content = IO.read(path)
  self.parse(content)
end

.populate_from_list(array, list_node) ⇒ Object 



757
758
759
760
761
762
763
764
765
 
# File 'lib/codemodels/ruby/parser.rb', line 757

def self.populate_from_list(array,list_node)
  if list_node.respond_to? :size
    for i in 0..(list_node.size-1) 
      array << node_to_model(list_node.get i)
    end
  else
    array << node_to_model(list_node)
  end
end

.process_body(node, model) ⇒ Object 



164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
 
# File 'lib/codemodels/ruby/parser.rb', line 164

def self.process_body(node,model)
  if node.body==nil
    model.body = nil
  elsif node.body.node_type.name=='RESCUENODE'
    rescue_node = node.body
    model.body = node_to_model(rescue_node.body)
    rescue_body_node = rescue_node.rescue
    raise 'AssertionFailed' unless rescue_body_node.node_type.name=='RESCUEBODYNODE'
    rescue_clause_model = Ruby::RescueClause.new

    rescue_clause_model.class.class_eval do
      include RawNodeAccessModule
    end
    rescue_clause_model.original_node = node

    rescue_clause_model.body = node_to_model(rescue_body_node.body)
    model.addRescue_clauses( rescue_clause_model )
  elsif node.body.node_type.name=='ENSURENODE'
    ensure_node = node.body
    model.ensure_body = node_to_model(ensure_node.ensure)
    model.body = node_to_model(ensure_node.body)     
  else
    model.body = node_to_model(node.body,model)
  end
end

.process_formal_args(node, model) ⇒ Object 



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
 
# File 'lib/codemodels/ruby/parser.rb', line 190

def self.process_formal_args(node,model)
  #puts "\nArgs are: #{node.args}"

  args = []
  args_node = node.args
  populate_from_list(args,args_node.pre) if args_node.pre
  populate_from_list(args,args_node.optional) if args_node.optional
  populate_from_list(args,args_node.rest) if args_node.rest
  populate_from_list(args,args_node.post) if args_node.post
  #puts "\tCollected args: #{args}"

  args.each do |a| 
    if a.is_a?(Argument)
      fa = FormalArgument.new
      fa.name = a.name
      fa.class.class_eval do
        include RawNodeAccessModule
      end
      fa.original_node = node
      model.addFormal_args(fa)
    elsif a.is_a?(FormalArgument)
      if a.default_value.is_a? VarAssignment
        a.default_value = a.default_value.value
      end
      model.addFormal_args(a)
    else
      raise "Unexpected #{a.class}"
    end
  end
  #puts "\tFormal args: #{model.formal_args}"
  #model.formal_args = args_to_model(my_args_flattener(node.args))
end

.splat(v) ⇒ Object 



432
433
434
435
436
 
# File 'lib/codemodels/ruby/metamodel.rb', line 432

def self.splat(v)
  s = Splat.new
  s.splatted = v
  s
end

.string(value) ⇒ Object 



198
199
200
 
# File 'lib/codemodels/ruby/metamodel.rb', line 198

def self.string(value)
  StaticStringLiteral.build(value)
end

.to_code(node) ⇒ Object 



4
5
6
7
8
9
10
11
 
# File 'lib/codemodels/ruby/code.rb', line 4

def self.to_code(node)
  on = node.original_node
  sw = java.io.StringWriter.new
  rwv = org.jrubyparser.rewriter.ReWriteVisitor.new(sw,'')
  cbw = org.jrubyparser.rewriter.ClassBodyWriter.new(rwv,on)
  cbw.write
  sw.to_string
end

.tree_to_model(tree) ⇒ Object 



104
105
106
107
108
109
 
# File 'lib/codemodels/ruby/parser.rb', line 104

def self.tree_to_model(tree)
  unless tree.node_type.name=='ROOTNODE' 
    raise 'Root expected'
  end
  node_to_model tree.body
end

.unknown_node_type_found(node) ⇒ Object 



749
750
751
752
753
754
755
 
# File 'lib/codemodels/ruby/parser.rb', line 749

def self.unknown_node_type_found(node)
  if Ruby.skip_unknown_node
    puts "skipping #{node.node_type.name} at #{node.position}..."
  else
    raise UnknownNodeType.new(node)
  end
end