net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/ASTVisitor.java

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2004 IBM Corporation and others.
   3  * All rights reserved. This program and the accompanying materials
   4  * are made available under the terms of the Common Public License v1.0
   5  * which accompanies this distribution, and is available at
   6  * http://www.eclipse.org/legal/cpl-v10.html
   7  *
   8  * Contributors:
   9  *     IBM Corporation - initial API and implementation
  10  *******************************************************************************/
  11 package net.sourceforge.phpdt.internal.compiler;
  12
  13 import net.sourceforge.phpdt.core.compiler.IProblem;
  14 import net.sourceforge.phpdt.internal.compiler.ast.AND_AND_Expression;
  15 import net.sourceforge.phpdt.internal.compiler.ast.AllocationExpression;
  16 import net.sourceforge.phpdt.internal.compiler.ast.Argument;
  17 import net.sourceforge.phpdt.internal.compiler.ast.ArrayAllocationExpression;
  18 import net.sourceforge.phpdt.internal.compiler.ast.ArrayInitializer;
  19 import net.sourceforge.phpdt.internal.compiler.ast.ArrayQualifiedTypeReference;
  20 import net.sourceforge.phpdt.internal.compiler.ast.ArrayReference;
  21 import net.sourceforge.phpdt.internal.compiler.ast.ArrayTypeReference;
  22 import net.sourceforge.phpdt.internal.compiler.ast.AssertStatement;
  23 import net.sourceforge.phpdt.internal.compiler.ast.Assignment;
  24 import net.sourceforge.phpdt.internal.compiler.ast.BinaryExpression;
  25 import net.sourceforge.phpdt.internal.compiler.ast.Block;
  26 import net.sourceforge.phpdt.internal.compiler.ast.BreakStatement;
  27 import net.sourceforge.phpdt.internal.compiler.ast.CaseStatement;
  28 import net.sourceforge.phpdt.internal.compiler.ast.CastExpression;
  29 import net.sourceforge.phpdt.internal.compiler.ast.Clinit;
  30 import net.sourceforge.phpdt.internal.compiler.ast.CompilationUnitDeclaration;
  31 import net.sourceforge.phpdt.internal.compiler.ast.CompoundAssignment;
  32 import net.sourceforge.phpdt.internal.compiler.ast.ConditionalExpression;
  33 import net.sourceforge.phpdt.internal.compiler.ast.ConstructorDeclaration;
  34 import net.sourceforge.phpdt.internal.compiler.ast.ContinueStatement;
  35 import net.sourceforge.phpdt.internal.compiler.ast.DoStatement;
  36 import net.sourceforge.phpdt.internal.compiler.ast.DoubleLiteral;
  37 import net.sourceforge.phpdt.internal.compiler.ast.EmptyStatement;
  38 import net.sourceforge.phpdt.internal.compiler.ast.EqualExpression;
  39 import net.sourceforge.phpdt.internal.compiler.ast.ExplicitConstructorCall;
  40 import net.sourceforge.phpdt.internal.compiler.ast.ExtendedStringLiteral;
  41 import net.sourceforge.phpdt.internal.compiler.ast.FalseLiteral;
  42 import net.sourceforge.phpdt.internal.compiler.ast.FieldDeclaration;
  43 import net.sourceforge.phpdt.internal.compiler.ast.FieldReference;
  44 import net.sourceforge.phpdt.internal.compiler.ast.FloatLiteral;
  45 import net.sourceforge.phpdt.internal.compiler.ast.ForStatement;
  46 import net.sourceforge.phpdt.internal.compiler.ast.IfStatement;
  47 import net.sourceforge.phpdt.internal.compiler.ast.ImportReference;
  48 import net.sourceforge.phpdt.internal.compiler.ast.Initializer;
  49 import net.sourceforge.phpdt.internal.compiler.ast.InstanceOfExpression;
  50 import net.sourceforge.phpdt.internal.compiler.ast.IntLiteral;
  51 import net.sourceforge.phpdt.internal.compiler.ast.LabeledStatement;
  52 import net.sourceforge.phpdt.internal.compiler.ast.LocalDeclaration;
  53 import net.sourceforge.phpdt.internal.compiler.ast.LongLiteral;
  54 import net.sourceforge.phpdt.internal.compiler.ast.MessageSend;
  55 import net.sourceforge.phpdt.internal.compiler.ast.MethodDeclaration;
  56 import net.sourceforge.phpdt.internal.compiler.ast.NullLiteral;
  57 import net.sourceforge.phpdt.internal.compiler.ast.OR_OR_Expression;
  58 import net.sourceforge.phpdt.internal.compiler.ast.PostfixExpression;
  59 import net.sourceforge.phpdt.internal.compiler.ast.PrefixExpression;
  60 import net.sourceforge.phpdt.internal.compiler.ast.QualifiedAllocationExpression;
  61 import net.sourceforge.phpdt.internal.compiler.ast.QualifiedNameReference;
  62 import net.sourceforge.phpdt.internal.compiler.ast.QualifiedSuperReference;
  63 import net.sourceforge.phpdt.internal.compiler.ast.QualifiedThisReference;
  64 import net.sourceforge.phpdt.internal.compiler.ast.QualifiedTypeReference;
  65 import net.sourceforge.phpdt.internal.compiler.ast.ReturnStatement;
  66 import net.sourceforge.phpdt.internal.compiler.ast.SingleNameReference;
  67 import net.sourceforge.phpdt.internal.compiler.ast.SingleTypeReference;
  68 import net.sourceforge.phpdt.internal.compiler.ast.StringLiteral;
  69 import net.sourceforge.phpdt.internal.compiler.ast.SuperReference;
  70 import net.sourceforge.phpdt.internal.compiler.ast.SwitchStatement;
  71 import net.sourceforge.phpdt.internal.compiler.ast.ThisReference;
  72 import net.sourceforge.phpdt.internal.compiler.ast.ThrowStatement;
  73 import net.sourceforge.phpdt.internal.compiler.ast.TrueLiteral;
  74 import net.sourceforge.phpdt.internal.compiler.ast.TryStatement;
  75 import net.sourceforge.phpdt.internal.compiler.ast.TypeDeclaration;
  76 import net.sourceforge.phpdt.internal.compiler.ast.UnaryExpression;
  77 import net.sourceforge.phpdt.internal.compiler.ast.WhileStatement;
  78 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  79 import net.sourceforge.phpdt.internal.compiler.lookup.ClassScope;
  80 import net.sourceforge.phpdt.internal.compiler.lookup.CompilationUnitScope;
  81 import net.sourceforge.phpdt.internal.compiler.lookup.MethodScope;
  82
  83 /**
  84  * A visitor for iterating through the parse tree.
  85  */
  86 public abstract class ASTVisitor {
  87
  88         public void acceptProblem(IProblem problem) {
  89                 // do nothing by default
  90         }
  91
  92         public void endVisit(AllocationExpression allocationExpression,
  93                         BlockScope scope) {
  94                 // do nothing by default
  95         }
  96
  97         public void endVisit(AND_AND_Expression and_and_Expression, BlockScope scope) {
  98                 // do nothing by default
  99         }
 100
 101         // public void endVisit(JavadocArrayQualifiedTypeReference typeRef,
 102         // BlockScope scope) {
 103         // // do nothing by default
 104         // }
 105         // public void endVisit(JavadocArraySingleTypeReference typeRef, BlockScope
 106         // scope) {
 107         // // do nothing by default
 108         // }
 109         // public void endVisit(JavadocArgumentExpression expression, BlockScope
 110         // scope) {
 111         // // do nothing by default
 112         // }
 113         // public void endVisit(JavadocFieldReference fieldRef, BlockScope scope) {
 114         // // do nothing by default
 115         // }
 116         // public void endVisit(JavadocMessageSend messageSend, BlockScope scope) {
 117         // // do nothing by default
 118         // }
 119         // public void endVisit(JavadocQualifiedTypeReference typeRef, BlockScope
 120         // scope) {
 121         // // do nothing by default
 122         // }
 123         // public void endVisit(JavadocReturnStatement statement, BlockScope scope)
 124         // {
 125         // // do nothing by default
 126         // }
 127         // public void endVisit(JavadocSingleNameReference argument, BlockScope
 128         // scope) {
 129         // // do nothing by default
 130         // }
 131         // public void endVisit(JavadocSingleTypeReference typeRef, BlockScope
 132         // scope) {
 133         // // do nothing by default
 134         // }
 135         public void endVisit(Argument argument, BlockScope scope) {
 136                 // do nothing by default
 137         }
 138
 139         public void endVisit(ArrayAllocationExpression arrayAllocationExpression,
 140                         BlockScope scope) {
 141                 // do nothing by default
 142         }
 143
 144         public void endVisit(ArrayInitializer arrayInitializer, BlockScope scope) {
 145                 // do nothing by default
 146         }
 147
 148         public void endVisit(
 149                         ArrayQualifiedTypeReference arrayQualifiedTypeReference,
 150                         BlockScope scope) {
 151                 // do nothing by default
 152         }
 153
 154         public void endVisit(
 155                         ArrayQualifiedTypeReference arrayQualifiedTypeReference,
 156                         ClassScope scope) {
 157                 // do nothing by default
 158         }
 159
 160         public void endVisit(ArrayReference arrayReference, BlockScope scope) {
 161                 // do nothing by default
 162         }
 163
 164         public void endVisit(ArrayTypeReference arrayTypeReference, BlockScope scope) {
 165                 // do nothing by default
 166         }
 167
 168         public void endVisit(ArrayTypeReference arrayTypeReference, ClassScope scope) {
 169                 // do nothing by default
 170         }
 171
 172         public void endVisit(Assignment assignment, BlockScope scope) {
 173                 // do nothing by default
 174         }
 175
 176         public void endVisit(AssertStatement assertStatement, BlockScope scope) {
 177                 // do nothing by default
 178         }
 179
 180         public void endVisit(BinaryExpression binaryExpression, BlockScope scope) {
 181                 // do nothing by default
 182         }
 183
 184         public void endVisit(Block block, BlockScope scope) {
 185                 // do nothing by default
 186         }
 187
 188         public void endVisit(BreakStatement breakStatement, BlockScope scope) {
 189                 // do nothing by default
 190         }
 191
 192         public void endVisit(CaseStatement caseStatement, BlockScope scope) {
 193                 // do nothing by default
 194         }
 195
 196         public void endVisit(CastExpression castExpression, BlockScope scope) {
 197                 // do nothing by default
 198         }
 199
 200         public void endVisit(Clinit clinit, ClassScope scope) {
 201                 // do nothing by default
 202         }
 203
 204         public void endVisit(CompilationUnitDeclaration compilationUnitDeclaration,
 205                         CompilationUnitScope scope) {
 206                 // do nothing by default
 207         }
 208
 209         public void endVisit(CompoundAssignment compoundAssignment, BlockScope scope) {
 210                 // do nothing by default
 211         }
 212
 213         public void endVisit(ConditionalExpression conditionalExpression,
 214                         BlockScope scope) {
 215                 // do nothing by default
 216         }
 217
 218         public void endVisit(ConstructorDeclaration constructorDeclaration,
 219                         ClassScope scope) {
 220                 // do nothing by default
 221         }
 222
 223         public void endVisit(ContinueStatement continueStatement, BlockScope scope) {
 224                 // do nothing by default
 225         }
 226
 227         public void endVisit(DoStatement doStatement, BlockScope scope) {
 228                 // do nothing by default
 229         }
 230
 231         public void endVisit(DoubleLiteral doubleLiteral, BlockScope scope) {
 232                 // do nothing by default
 233         }
 234
 235         public void endVisit(EqualExpression equalExpression, BlockScope scope) {
 236                 // do nothing by default
 237         }
 238
 239         public void endVisit(ExplicitConstructorCall explicitConstructor,
 240                         BlockScope scope) {
 241                 // do nothing by default
 242         }
 243
 244         public void endVisit(ExtendedStringLiteral extendedStringLiteral,
 245                         BlockScope scope) {
 246                 // do nothing by default
 247         }
 248
 249         public void endVisit(FalseLiteral falseLiteral, BlockScope scope) {
 250                 // do nothing by default
 251         }
 252
 253         public void endVisit(FieldDeclaration fieldDeclaration, MethodScope scope) {
 254                 // do nothing by default
 255         }
 256
 257         public void endVisit(FieldReference fieldReference, BlockScope scope) {
 258                 // do nothing by default
 259         }
 260
 261         public void endVisit(FloatLiteral floatLiteral, BlockScope scope) {
 262                 // do nothing by default
 263         }
 264
 265         public void endVisit(EmptyStatement emptyStatement, BlockScope scope) {
 266                 // do nothing by default
 267         }
 268
 269         public void endVisit(ForStatement forStatement, BlockScope scope) {
 270                 // do nothing by default
 271         }
 272
 273         public void endVisit(IfStatement ifStatement, BlockScope scope) {
 274                 // do nothing by default
 275         }
 276
 277         public void endVisit(ImportReference importRef, CompilationUnitScope scope) {
 278                 // do nothing by default
 279         }
 280
 281         public void endVisit(Initializer initializer, MethodScope scope) {
 282                 // do nothing by default
 283         }
 284
 285         public void endVisit(InstanceOfExpression instanceOfExpression,
 286                         BlockScope scope) {
 287                 // do nothing by default
 288         }
 289
 290         public void endVisit(IntLiteral intLiteral, BlockScope scope) {
 291                 // do nothing by default
 292         }
 293
 294         public void endVisit(LabeledStatement labeledStatement, BlockScope scope) {
 295                 // do nothing by default
 296         }
 297
 298         public void endVisit(LocalDeclaration localDeclaration, BlockScope scope) {
 299                 // do nothing by default
 300         }
 301
 302         public void endVisit(LongLiteral longLiteral, BlockScope scope) {
 303                 // do nothing by default
 304         }
 305
 306         public void endVisit(MessageSend messageSend, BlockScope scope) {
 307                 // do nothing by default
 308         }
 309
 310         public void endVisit(MethodDeclaration methodDeclaration, ClassScope scope) {
 311                 // do nothing by default
 312         }
 313
 314         // public void endVisit(StringLiteralConcatenation literal, BlockScope
 315         // scope) {
 316         // // do nothing by default
 317         // }
 318         public void endVisit(NullLiteral nullLiteral, BlockScope scope) {
 319                 // do nothing by default
 320         }
 321
 322         public void endVisit(OR_OR_Expression or_or_Expression, BlockScope scope) {
 323                 // do nothing by default
 324         }
 325
 326         public void endVisit(PostfixExpression postfixExpression, BlockScope scope) {
 327                 // do nothing by default
 328         }
 329
 330         public void endVisit(PrefixExpression prefixExpression, BlockScope scope) {
 331                 // do nothing by default
 332         }
 333
 334         public void endVisit(
 335                         QualifiedAllocationExpression qualifiedAllocationExpression,
 336                         BlockScope scope) {
 337                 // do nothing by default
 338         }
 339
 340         public void endVisit(QualifiedNameReference qualifiedNameReference,
 341                         BlockScope scope) {
 342                 // do nothing by default
 343         }
 344
 345         public void endVisit(QualifiedSuperReference qualifiedSuperReference,
 346                         BlockScope scope) {
 347                 // do nothing by default
 348         }
 349
 350         public void endVisit(QualifiedThisReference qualifiedThisReference,
 351                         BlockScope scope) {
 352                 // do nothing by default
 353         }
 354
 355         public void endVisit(QualifiedTypeReference qualifiedTypeReference,
 356                         BlockScope scope) {
 357                 // do nothing by default
 358         }
 359
 360         public void endVisit(QualifiedTypeReference qualifiedTypeReference,
 361                         ClassScope scope) {
 362                 // do nothing by default
 363         }
 364
 365         public void endVisit(ReturnStatement returnStatement, BlockScope scope) {
 366                 // do nothing by default
 367         }
 368
 369         public void endVisit(SingleNameReference singleNameReference,
 370                         BlockScope scope) {
 371                 // do nothing by default
 372         }
 373
 374         public void endVisit(SingleTypeReference singleTypeReference,
 375                         BlockScope scope) {
 376                 // do nothing by default
 377         }
 378
 379         public void endVisit(SingleTypeReference singleTypeReference,
 380                         ClassScope scope) {
 381                 // do nothing by default
 382         }
 383
 384         public void endVisit(StringLiteral stringLiteral, BlockScope scope) {
 385                 // do nothing by default
 386         }
 387
 388         public void endVisit(SuperReference superReference, BlockScope scope) {
 389                 // do nothing by default
 390         }
 391
 392         public void endVisit(SwitchStatement switchStatement, BlockScope scope) {
 393                 // do nothing by default
 394         }
 395
 396         public void endVisit(ThisReference thisReference, BlockScope scope) {
 397                 // do nothing by default
 398         }
 399
 400         public void endVisit(ThrowStatement throwStatement, BlockScope scope) {
 401                 // do nothing by default
 402         }
 403
 404         public void endVisit(TrueLiteral trueLiteral, BlockScope scope) {
 405                 // do nothing by default
 406         }
 407
 408         public void endVisit(TryStatement tryStatement, BlockScope scope) {
 409                 // do nothing by default
 410         }
 411
 412         public void endVisit(TypeDeclaration localTypeDeclaration, BlockScope scope) {
 413                 // do nothing by default
 414         }
 415
 416         public void endVisit(TypeDeclaration memberTypeDeclaration, ClassScope scope) {
 417                 // do nothing by default
 418         }
 419
 420         public void endVisit(TypeDeclaration typeDeclaration,
 421                         CompilationUnitScope scope) {
 422                 // do nothing by default
 423         }
 424
 425         public void endVisit(UnaryExpression unaryExpression, BlockScope scope) {
 426                 // do nothing by default
 427         }
 428
 429         public void endVisit(WhileStatement whileStatement, BlockScope scope) {
 430                 // do nothing by default
 431         }
 432
 433         public boolean visit(AllocationExpression allocationExpression,
 434                         BlockScope scope) {
 435                 return true; // do nothing by default, keep traversing
 436                 // do nothing by default
 437         }
 438
 439         public boolean visit(AND_AND_Expression and_and_Expression, BlockScope scope) {
 440                 return true; // do nothing by default, keep traversing
 441         }
 442
 443         // public boolean visit(JavadocArrayQualifiedTypeReference typeRef,
 444         // BlockScope scope) {
 445         // return true; // do nothing by default, keep traversing
 446         // }
 447         // public boolean visit(JavadocArraySingleTypeReference typeRef, BlockScope
 448         // scope) {
 449         // return true; // do nothing by default, keep traversing
 450         // }
 451         // public boolean visit(JavadocArgumentExpression expression, BlockScope
 452         // scope) {
 453         // return true; // do nothing by default, keep traversing
 454         // }
 455         // public boolean visit(JavadocFieldReference fieldRef, BlockScope scope) {
 456         // return true; // do nothing by default, keep traversing
 457         // }
 458         // public boolean visit(JavadocMessageSend messageSend, BlockScope scope) {
 459         // return true; // do nothing by default, keep traversing
 460         // }
 461         // public boolean visit(JavadocQualifiedTypeReference typeRef, BlockScope
 462         // scope) {
 463         // return true; // do nothing by default, keep traversing
 464         // }
 465         // public boolean visit(JavadocReturnStatement statement, BlockScope scope)
 466         // {
 467         // return true; // do nothing by default, keep traversing
 468         // }
 469         // public boolean visit(JavadocSingleNameReference argument, BlockScope
 470         // scope) {
 471         // return true; // do nothing by default, keep traversing
 472         // }
 473         // public boolean visit(JavadocSingleTypeReference typeRef, BlockScope
 474         // scope) {
 475         // return true; // do nothing by default, keep traversing
 476         // }
 477         public boolean visit(Argument argument, BlockScope scope) {
 478                 return true; // do nothing by default, keep traversing
 479         }
 480
 481         public boolean visit(ArrayAllocationExpression arrayAllocationExpression,
 482                         BlockScope scope) {
 483                 return true; // do nothing by default, keep traversing
 484         }
 485
 486         public boolean visit(ArrayInitializer arrayInitializer, BlockScope scope) {
 487                 return true; // do nothing by default, keep traversing
 488         }
 489
 490         public boolean visit(
 491                         ArrayQualifiedTypeReference arrayQualifiedTypeReference,
 492                         BlockScope scope) {
 493                 return true; // do nothing by default, keep traversing
 494         }
 495
 496         public boolean visit(
 497                         ArrayQualifiedTypeReference arrayQualifiedTypeReference,
 498                         ClassScope scope) {
 499                 return true; // do nothing by default, keep traversing
 500         }
 501
 502         public boolean visit(ArrayReference arrayReference, BlockScope scope) {
 503                 return true; // do nothing by default, keep traversing
 504         }
 505
 506         public boolean visit(ArrayTypeReference arrayTypeReference, BlockScope scope) {
 507                 return true; // do nothing by default, keep traversing
 508         }
 509
 510         public boolean visit(ArrayTypeReference arrayTypeReference, ClassScope scope) {
 511                 return true; // do nothing by default, keep traversing
 512         }
 513
 514         public boolean visit(Assignment assignment, BlockScope scope) {
 515                 return true; // do nothing by default, keep traversing
 516         }
 517
 518         public boolean visit(AssertStatement assertStatement, BlockScope scope) {
 519                 return true; // do nothing by default, keep traversing
 520         }
 521
 522         public boolean visit(BinaryExpression binaryExpression, BlockScope scope) {
 523                 return true; // do nothing by default, keep traversing
 524         }
 525
 526         public boolean visit(Block block, BlockScope scope) {
 527                 return true; // do nothing by default, keep traversing
 528         }
 529
 530         public boolean visit(BreakStatement breakStatement, BlockScope scope) {
 531                 return true; // do nothing by default, keep traversing
 532         }
 533
 534         public boolean visit(CaseStatement caseStatement, BlockScope scope) {
 535                 return true; // do nothing by default, keep traversing
 536         }
 537
 538         public boolean visit(CastExpression castExpression, BlockScope scope) {
 539                 return true; // do nothing by default, keep traversing
 540         }
 541
 542         public boolean visit(Clinit clinit, ClassScope scope) {
 543                 return true; // do nothing by default, keep traversing
 544         }
 545
 546         public boolean visit(CompilationUnitDeclaration compilationUnitDeclaration,
 547                         CompilationUnitScope scope) {
 548                 return true; // do nothing by default, keep traversing
 549         }
 550
 551         public boolean visit(CompoundAssignment compoundAssignment, BlockScope scope) {
 552                 return true; // do nothing by default, keep traversing
 553         }
 554
 555         public boolean visit(ConditionalExpression conditionalExpression,
 556                         BlockScope scope) {
 557                 return true; // do nothing by default, keep traversing
 558         }
 559
 560         public boolean visit(ConstructorDeclaration constructorDeclaration,
 561                         ClassScope scope) {
 562                 return true; // do nothing by default, keep traversing
 563         }
 564
 565         public boolean visit(ContinueStatement continueStatement, BlockScope scope) {
 566                 return true; // do nothing by default, keep traversing
 567         }
 568
 569         public boolean visit(DoStatement doStatement, BlockScope scope) {
 570                 return true; // do nothing by default, keep traversing
 571         }
 572
 573         public boolean visit(DoubleLiteral doubleLiteral, BlockScope scope) {
 574                 return true; // do nothing by default, keep traversing
 575         }
 576
 577         public boolean visit(EqualExpression equalExpression, BlockScope scope) {
 578                 return true; // do nothing by default, keep traversing
 579         }
 580
 581         public boolean visit(EmptyStatement emptyStatement, BlockScope scope) {
 582                 return true; // do nothing by default, keep traversing
 583         }
 584
 585         public boolean visit(ExplicitConstructorCall explicitConstructor,
 586                         BlockScope scope) {
 587                 return true; // do nothing by default, keep traversing
 588         }
 589
 590         public boolean visit(ExtendedStringLiteral extendedStringLiteral,
 591                         BlockScope scope) {
 592                 return true; // do nothing by default, keep traversing
 593         }
 594
 595         public boolean visit(FalseLiteral falseLiteral, BlockScope scope) {
 596                 return true; // do nothing by default, keep traversing
 597         }
 598
 599         public boolean visit(FieldDeclaration fieldDeclaration, MethodScope scope) {
 600                 return true; // do nothing by default, keep traversing
 601         }
 602
 603         public boolean visit(FieldReference fieldReference, BlockScope scope) {
 604                 return true; // do nothing by default, keep traversing
 605         }
 606
 607         public boolean visit(FloatLiteral floatLiteral, BlockScope scope) {
 608                 return true; // do nothing by default, keep traversing
 609         }
 610
 611         public boolean visit(ForStatement forStatement, BlockScope scope) {
 612                 return true; // do nothing by default, keep traversing
 613         }
 614
 615         public boolean visit(IfStatement ifStatement, BlockScope scope) {
 616                 return true; // do nothing by default, keep traversing
 617         }
 618
 619         public boolean visit(ImportReference importRef, CompilationUnitScope scope) {
 620                 return true; // do nothing by default, keep traversing
 621         }
 622
 623         public boolean visit(Initializer initializer, MethodScope scope) {
 624                 return true; // do nothing by default, keep traversing
 625         }
 626
 627         public boolean visit(InstanceOfExpression instanceOfExpression,
 628                         BlockScope scope) {
 629                 return true; // do nothing by default, keep traversing
 630         }
 631
 632         public boolean visit(IntLiteral intLiteral, BlockScope scope) {
 633                 return true; // do nothing by default, keep traversing
 634         }
 635
 636         public boolean visit(LabeledStatement labeledStatement, BlockScope scope) {
 637                 return true; // do nothing by default, keep traversing
 638         }
 639
 640         public boolean visit(LocalDeclaration localDeclaration, BlockScope scope) {
 641                 return true; // do nothing by default, keep traversing
 642         }
 643
 644         public boolean visit(LongLiteral longLiteral, BlockScope scope) {
 645                 return true; // do nothing by default, keep traversing
 646         }
 647
 648         public boolean visit(MessageSend messageSend, BlockScope scope) {
 649                 return true; // do nothing by default, keep traversing
 650         }
 651
 652         public boolean visit(MethodDeclaration methodDeclaration, ClassScope scope) {
 653                 return true; // do nothing by default, keep traversing
 654         }
 655
 656         // public boolean visit(
 657         // StringLiteralConcatenation literal,
 658         // BlockScope scope) {
 659         // return true; // do nothing by default, keep traversing
 660         // }
 661         public boolean visit(NullLiteral nullLiteral, BlockScope scope) {
 662                 return true; // do nothing by default, keep traversing
 663         }
 664
 665         public boolean visit(OR_OR_Expression or_or_Expression, BlockScope scope) {
 666                 return true; // do nothing by default, keep traversing
 667         }
 668
 669         public boolean visit(PostfixExpression postfixExpression, BlockScope scope) {
 670                 return true; // do nothing by default, keep traversing
 671         }
 672
 673         public boolean visit(PrefixExpression prefixExpression, BlockScope scope) {
 674                 return true; // do nothing by default, keep traversing
 675         }
 676
 677         public boolean visit(
 678                         QualifiedAllocationExpression qualifiedAllocationExpression,
 679                         BlockScope scope) {
 680                 return true; // do nothing by default, keep traversing
 681         }
 682
 683         public boolean visit(QualifiedNameReference qualifiedNameReference,
 684                         BlockScope scope) {
 685                 return true; // do nothing by default, keep traversing
 686         }
 687
 688         public boolean visit(QualifiedSuperReference qualifiedSuperReference,
 689                         BlockScope scope) {
 690                 return true; // do nothing by default, keep traversing
 691         }
 692
 693         public boolean visit(QualifiedThisReference qualifiedThisReference,
 694                         BlockScope scope) {
 695                 return true; // do nothing by default, keep traversing
 696         }
 697
 698         public boolean visit(QualifiedTypeReference qualifiedTypeReference,
 699                         BlockScope scope) {
 700                 return true; // do nothing by default, keep traversing
 701         }
 702
 703         public boolean visit(QualifiedTypeReference qualifiedTypeReference,
 704                         ClassScope scope) {
 705                 return true; // do nothing by default, keep traversing
 706         }
 707
 708         public boolean visit(ReturnStatement returnStatement, BlockScope scope) {
 709                 return true; // do nothing by default, keep traversing
 710         }
 711
 712         public boolean visit(SingleNameReference singleNameReference,
 713                         BlockScope scope) {
 714                 return true; // do nothing by default, keep traversing
 715         }
 716
 717         public boolean visit(SingleTypeReference singleTypeReference,
 718                         BlockScope scope) {
 719                 return true; // do nothing by default, keep traversing
 720         }
 721
 722         public boolean visit(SingleTypeReference singleTypeReference,
 723                         ClassScope scope) {
 724                 return true; // do nothing by default, keep traversing
 725         }
 726
 727         public boolean visit(StringLiteral stringLiteral, BlockScope scope) {
 728                 return true; // do nothing by default, keep traversing
 729         }
 730
 731         public boolean visit(SuperReference superReference, BlockScope scope) {
 732                 return true; // do nothing by default, keep traversing
 733         }
 734
 735         public boolean visit(SwitchStatement switchStatement, BlockScope scope) {
 736                 return true; // do nothing by default, keep traversing
 737         }
 738
 739         public boolean visit(ThisReference thisReference, BlockScope scope) {
 740                 return true; // do nothing by default, keep traversing
 741         }
 742
 743         public boolean visit(ThrowStatement throwStatement, BlockScope scope) {
 744                 return true; // do nothing by default, keep traversing
 745         }
 746
 747         public boolean visit(TrueLiteral trueLiteral, BlockScope scope) {
 748                 return true; // do nothing by default, keep traversing
 749         }
 750
 751         public boolean visit(TryStatement tryStatement, BlockScope scope) {
 752                 return true; // do nothing by default, keep traversing
 753         }
 754
 755         public boolean visit(TypeDeclaration localTypeDeclaration, BlockScope scope) {
 756                 return true; // do nothing by default, keep traversing
 757         }
 758
 759         public boolean visit(TypeDeclaration memberTypeDeclaration, ClassScope scope) {
 760                 return true; // do nothing by default, keep traversing
 761         }
 762
 763         public boolean visit(TypeDeclaration typeDeclaration,
 764                         CompilationUnitScope scope) {
 765                 return true; // do nothing by default, keep traversing
 766         }
 767
 768         public boolean visit(UnaryExpression unaryExpression, BlockScope scope) {
 769                 return true; // do nothing by default, keep traversing
 770         }
 771
 772         public boolean visit(WhileStatement whileStatement, BlockScope scope) {
 773                 return true; // do nothing by default, keep traversing
 774         }
 775 }