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

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2003 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 java.util.ArrayList;
  14
  15 import net.sourceforge.phpdt.internal.compiler.CompilationResult;
  16
  17 import net.sourceforge.phpdt.core.compiler.CharOperation;
  18 import net.sourceforge.phpdt.core.compiler.IProblem;
  19 import net.sourceforge.phpdt.internal.compiler.env.ICompilationUnit;
  20 import net.sourceforge.phpdt.internal.compiler.env.ISourceType;
  21 import net.sourceforge.phpdt.internal.compiler.impl.CompilerOptions;
  22 import net.sourceforge.phpdt.internal.compiler.impl.ReferenceContext;
  23 import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
  24 import net.sourceforge.phpdt.internal.compiler.lookup.ClassScope;
  25 import net.sourceforge.phpdt.internal.compiler.parser.UnitParser;
  26 import net.sourceforge.phpdt.internal.compiler.problem.AbortCompilation;
  27 import net.sourceforge.phpdt.internal.compiler.problem.ProblemReporter;
  28 import net.sourceforge.phpeclipse.internal.compiler.ast.AbstractMethodDeclaration;
  29 import net.sourceforge.phpeclipse.internal.compiler.ast.AnonymousLocalTypeDeclaration;
  30 import net.sourceforge.phpeclipse.internal.compiler.ast.Argument;
  31 import net.sourceforge.phpeclipse.internal.compiler.ast.AstNode;
  32 import net.sourceforge.phpeclipse.internal.compiler.ast.CompilationUnitDeclaration;
  33 import net.sourceforge.phpeclipse.internal.compiler.ast.ConstructorDeclaration;
  34 import net.sourceforge.phpeclipse.internal.compiler.ast.ExplicitConstructorCall;
  35 import net.sourceforge.phpeclipse.internal.compiler.ast.FieldDeclaration;
  36 import net.sourceforge.phpeclipse.internal.compiler.ast.LocalTypeDeclaration;
  37 import net.sourceforge.phpeclipse.internal.compiler.ast.MemberTypeDeclaration;
  38 import net.sourceforge.phpeclipse.internal.compiler.ast.MethodDeclaration;
  39 import net.sourceforge.phpeclipse.internal.compiler.ast.NameReference;
  40 import net.sourceforge.phpeclipse.internal.compiler.ast.QualifiedAllocationExpression;
  41 import net.sourceforge.phpeclipse.internal.compiler.ast.TypeDeclaration;
  42 import net.sourceforge.phpeclipse.internal.compiler.ast.TypeReference;
  43
  44
  45
  46 /**
  47  * A source element parser extracts structural and reference information
  48  * from a piece of source.
  49  *
  50  * also see @ISourceElementRequestor
  51  *
  52  * The structural investigation includes:
  53  * - the package statement
  54  * - import statements
  55  * - top-level types: package member, member types (member types of member types...)
  56  * - fields
  57  * - methods
  58  *
  59  * If reference information is requested, then all source constructs are
  60  * investigated and type, field & method references are provided as well.
  61  *
  62  * Any (parsing) problem encountered is also provided.
  63  */
  64
  65 public class SourceElementParser extends UnitParser {
  66
  67         ISourceElementRequestor requestor;
  68         int fieldCount;
  69         int localIntPtr;
  70         int lastFieldEndPosition;
  71         ISourceType sourceType;
  72         boolean reportReferenceInfo;
  73         char[][] typeNames;
  74         char[][] superTypeNames;
  75         int nestedTypeIndex;
  76         static final char[] JAVA_LANG_OBJECT = "java.lang.Object".toCharArray(); //$NON-NLS-1$
  77         NameReference[] unknownRefs;
  78         int unknownRefsCounter;
  79         LocalDeclarationVisitor localDeclarationVisitor = null;
  80 //      CompilerOptions options;
  81
  82 /**
  83  * An ast visitor that visits local type declarations.
  84  */
  85 public class LocalDeclarationVisitor extends AbstractSyntaxTreeVisitorAdapter {
  86 //      public boolean visit(
  87 //                      AnonymousLocalTypeDeclaration anonymousTypeDeclaration,
  88 //                      BlockScope scope) {
  89 //              notifySourceElementRequestor(anonymousTypeDeclaration, sourceType == null);
  90 //              return false; // don't visit members as this was done during notifySourceElementRequestor(...)
  91 //      }
  92         public boolean visit(LocalTypeDeclaration typeDeclaration, BlockScope scope) {
  93                 notifySourceElementRequestor(typeDeclaration, sourceType == null);
  94                 return false; // don't visit members as this was done during notifySourceElementRequestor(...)
  95         }
  96         public boolean visit(MemberTypeDeclaration typeDeclaration, ClassScope scope) {
  97                 notifySourceElementRequestor(typeDeclaration, sourceType == null);
  98                 return false; // don't visit members as this was done during notifySourceElementRequestor(...)
  99         }
 100
 101 }
 102
 103 public SourceElementParser(
 104         final ISourceElementRequestor requestor,
 105         IProblemFactory problemFactory,
 106         CompilerOptions options) {
 107         // we want to notify all syntax error with the acceptProblem API
 108         // To do so, we define the record method of the ProblemReporter
 109         super(
 110         new ProblemReporter(
 111                 DefaultErrorHandlingPolicies.exitAfterAllProblems(),
 112                 options,
 113                 problemFactory) {
 114                 public void record(IProblem problem, CompilationResult unitResult, ReferenceContext referenceContext) {
 115                         unitResult.record(problem, referenceContext);
 116                         requestor.acceptProblem(problem);
 117                 }
 118         });
 119 //      true);
 120 //      options.sourceLevel >= CompilerOptions.JDK1_4);
 121         this.requestor = requestor;
 122         typeNames = new char[4][];
 123         superTypeNames = new char[4][];
 124         nestedTypeIndex = 0;
 125         this.options = options;
 126 }
 127
 128 /** @deprecated use SourceElementParser(ISourceElementRequestor, IProblemFactory, CompilerOptions) */
 129 //public SourceElementParser(
 130 //      final ISourceElementRequestor requestor,
 131 //      IProblemFactory problemFactory) {
 132 //              this(requestor, problemFactory, new CompilerOptions());
 133 //}
 134
 135 //public SourceElementParser(
 136 //      final ISourceElementRequestor requestor,
 137 //      IProblemFactory problemFactory,
 138 //      CompilerOptions options,
 139 //      boolean reportLocalDeclarations) {
 140 //              this(requestor, problemFactory, options);
 141 //              if (reportLocalDeclarations) {
 142 //                      this.localDeclarationVisitor = new LocalDeclarationVisitor();
 143 //              }
 144 //}
 145
 146 //public void checkAnnotation() {
 147 //      int firstCommentIndex = scanner.commentPtr;
 148 //
 149 //      super.checkAnnotation();
 150 //
 151 //      // modify the modifier source start to point at the first comment
 152 //      if (firstCommentIndex >= 0) {
 153 //              modifiersSourceStart = scanner.commentStarts[0];
 154 //      }
 155 //}
 156
 157 //protected void classInstanceCreation(boolean alwaysQualified) {
 158 //
 159 //      boolean previousFlag = reportReferenceInfo;
 160 //      reportReferenceInfo = false; // not to see the type reference reported in super call to getTypeReference(...)
 161 //      super.classInstanceCreation(alwaysQualified);
 162 //      reportReferenceInfo = previousFlag;
 163 //      if (reportReferenceInfo){
 164 //              AllocationExpression alloc = (AllocationExpression)expressionStack[expressionPtr];
 165 //              TypeReference typeRef = alloc.type;
 166 //              requestor.acceptConstructorReference(
 167 //                      typeRef instanceof SingleTypeReference
 168 //                              ? ((SingleTypeReference) typeRef).token
 169 //                              : CharOperation.concatWith(alloc.type.getTypeName(), '.'),
 170 //                      alloc.arguments == null ? 0 : alloc.arguments.length,
 171 //                      alloc.sourceStart);
 172 //      }
 173 //}
 174 //protected void consumeConstructorHeaderName() {
 175 //      // ConstructorHeaderName ::=  Modifiersopt 'Identifier' '('
 176 //
 177 //      /* recovering - might be an empty message send */
 178 //      if (currentElement != null){
 179 //              if (lastIgnoredToken == TokenNamenew){ // was an allocation expression
 180 //                      lastCheckPoint = scanner.startPosition; // force to restart at this exact position
 181 //                      restartRecovery = true;
 182 //                      return;
 183 //              }
 184 //      }
 185 //      SourceConstructorDeclaration cd = new SourceConstructorDeclaration(this.compilationUnit.compilationResult);
 186 //
 187 //      //name -- this is not really revelant but we do .....
 188 //      cd.selector = identifierStack[identifierPtr];
 189 //      long selectorSourcePositions = identifierPositionStack[identifierPtr--];
 190 //      identifierLengthPtr--;
 191 //
 192 //      //modifiers
 193 //      cd.declarationSourceStart = intStack[intPtr--];
 194 //      cd.modifiers = intStack[intPtr--];
 195 //
 196 //      //highlight starts at the selector starts
 197 //      cd.sourceStart = (int) (selectorSourcePositions >>> 32);
 198 //      cd.selectorSourceEnd = (int) selectorSourcePositions;
 199 //      pushOnAstStack(cd);
 200 //
 201 //      cd.sourceEnd = lParenPos;
 202 //      cd.bodyStart = lParenPos+1;
 203 //      listLength = 0; // initialize listLength before reading parameters/throws
 204 //
 205 //      // recovery
 206 //      if (currentElement != null){
 207 //              lastCheckPoint = cd.bodyStart;
 208 //              if ((currentElement instanceof RecoveredType && lastIgnoredToken != TokenNameDOT)
 209 //                      || cd.modifiers != 0){
 210 //                      currentElement = currentElement.add(cd, 0);
 211 //                      lastIgnoredToken = -1;
 212 //              }
 213 //      }
 214 //}
 215 ///**
 216 // *
 217 // * INTERNAL USE-ONLY
 218 // */
 219 //protected void consumeExitVariableWithInitialization() {
 220 //      // ExitVariableWithInitialization ::= $empty
 221 //      // the scanner is located after the comma or the semi-colon.
 222 //      // we want to include the comma or the semi-colon
 223 //      super.consumeExitVariableWithInitialization();
 224 //      if (isLocalDeclaration() || ((currentToken != TokenNameCOMMA) && (currentToken != TokenNameSEMICOLON)))
 225 //              return;
 226 //      ((SourceFieldDeclaration) astStack[astPtr]).fieldEndPosition = scanner.currentPosition - 1;
 227 //}
 228 //protected void consumeExitVariableWithoutInitialization() {
 229 //      // ExitVariableWithoutInitialization ::= $empty
 230 //      // do nothing by default
 231 //      super.consumeExitVariableWithoutInitialization();
 232 //      if (isLocalDeclaration() || ((currentToken != TokenNameCOMMA) && (currentToken != TokenNameSEMICOLON)))
 233 //              return;
 234 //      ((SourceFieldDeclaration) astStack[astPtr]).fieldEndPosition = scanner.currentPosition - 1;
 235 //}
 236 ///**
 237 // *
 238 // * INTERNAL USE-ONLY
 239 // */
 240 //protected void consumeFieldAccess(boolean isSuperAccess) {
 241 //      // FieldAccess ::= Primary '.' 'Identifier'
 242 //      // FieldAccess ::= 'super' '.' 'Identifier'
 243 //      super.consumeFieldAccess(isSuperAccess);
 244 //      FieldReference fr = (FieldReference) expressionStack[expressionPtr];
 245 //      if (reportReferenceInfo) {
 246 //              requestor.acceptFieldReference(fr.token, fr.sourceStart);
 247 //      }
 248 //}
 249 //protected void consumeMethodHeaderName() {
 250 //      // MethodHeaderName ::= Modifiersopt Type 'Identifier' '('
 251 //      SourceMethodDeclaration md = new SourceMethodDeclaration(this.compilationUnit.compilationResult);
 252 //
 253 //      //name
 254 //      md.selector = identifierStack[identifierPtr];
 255 //      long selectorSourcePositions = identifierPositionStack[identifierPtr--];
 256 //      identifierLengthPtr--;
 257 //      //type
 258 //      md.returnType = getTypeReference(intStack[intPtr--]);
 259 //      //modifiers
 260 //      md.declarationSourceStart = intStack[intPtr--];
 261 //      md.modifiers = intStack[intPtr--];
 262 //
 263 //      //highlight starts at selector start
 264 //      md.sourceStart = (int) (selectorSourcePositions >>> 32);
 265 //      md.selectorSourceEnd = (int) selectorSourcePositions;
 266 //      pushOnAstStack(md);
 267 //      md.sourceEnd = lParenPos;
 268 //      md.bodyStart = lParenPos+1;
 269 //      listLength = 0; // initialize listLength before reading parameters/throws
 270 //
 271 //      // recovery
 272 //      if (currentElement != null){
 273 //              if (currentElement instanceof RecoveredType
 274 //                      //|| md.modifiers != 0
 275 //                      || (scanner.getLineNumber(md.returnType.sourceStart)
 276 //                                      == scanner.getLineNumber(md.sourceStart))){
 277 //                      lastCheckPoint = md.bodyStart;
 278 //                      currentElement = currentElement.add(md, 0);
 279 //                      lastIgnoredToken = -1;
 280 //              } else {
 281 //                      lastCheckPoint = md.sourceStart;
 282 //                      restartRecovery = true;
 283 //              }
 284 //      }
 285 //}
 286 ///**
 287 // *
 288 // * INTERNAL USE-ONLY
 289 // */
 290 //protected void consumeMethodInvocationName() {
 291 //      // MethodInvocation ::= Name '(' ArgumentListopt ')'
 292 //
 293 //      // when the name is only an identifier...we have a message send to "this" (implicit)
 294 //      super.consumeMethodInvocationName();
 295 //      MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
 296 //      Expression[] args = messageSend.arguments;
 297 //      if (reportReferenceInfo) {
 298 //              requestor.acceptMethodReference(
 299 //                      messageSend.selector,
 300 //                      args == null ? 0 : args.length,
 301 //                      (int)(messageSend.nameSourcePosition >>> 32));
 302 //      }
 303 //}
 304 ///**
 305 // *
 306 // * INTERNAL USE-ONLY
 307 // */
 308 //protected void consumeMethodInvocationPrimary() {
 309 //      super.consumeMethodInvocationPrimary();
 310 //      MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
 311 //      Expression[] args = messageSend.arguments;
 312 //      if (reportReferenceInfo) {
 313 //              requestor.acceptMethodReference(
 314 //                      messageSend.selector,
 315 //                      args == null ? 0 : args.length,
 316 //                      (int)(messageSend.nameSourcePosition >>> 32));
 317 //      }
 318 //}
 319 ///**
 320 // *
 321 // * INTERNAL USE-ONLY
 322 // */
 323 //protected void consumeMethodInvocationSuper() {
 324 //      // MethodInvocation ::= 'super' '.' 'Identifier' '(' ArgumentListopt ')'
 325 //      super.consumeMethodInvocationSuper();
 326 //      MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
 327 //      Expression[] args = messageSend.arguments;
 328 //      if (reportReferenceInfo) {
 329 //              requestor.acceptMethodReference(
 330 //                      messageSend.selector,
 331 //                      args == null ? 0 : args.length,
 332 //                      (int)(messageSend.nameSourcePosition >>> 32));
 333 //      }
 334 //}
 335 //protected void consumeSingleTypeImportDeclarationName() {
 336 //      // SingleTypeImportDeclarationName ::= 'import' Name
 337 //      /* push an ImportRef build from the last name
 338 //      stored in the identifier stack. */
 339 //
 340 //      super.consumeSingleTypeImportDeclarationName();
 341 //      ImportReference impt = (ImportReference)astStack[astPtr];
 342 //      if (reportReferenceInfo) {
 343 //              requestor.acceptTypeReference(impt.tokens, impt.sourceStart, impt.sourceEnd);
 344 //      }
 345 //}
 346 //protected void consumeTypeImportOnDemandDeclarationName() {
 347 //      // TypeImportOnDemandDeclarationName ::= 'import' Name '.' '*'
 348 //      /* push an ImportRef build from the last name
 349 //      stored in the identifier stack. */
 350 //
 351 //      super.consumeTypeImportOnDemandDeclarationName();
 352 //      ImportReference impt = (ImportReference)astStack[astPtr];
 353 //      if (reportReferenceInfo) {
 354 //              requestor.acceptUnknownReference(impt.tokens, impt.sourceStart, impt.sourceEnd);
 355 //      }
 356 //}
 357 //protected FieldDeclaration createFieldDeclaration(Expression initialization, char[] name, int sourceStart, int sourceEnd) {
 358 //      return new SourceFieldDeclaration(null, name, sourceStart, sourceEnd);
 359 //}
 360 //protected CompilationUnitDeclaration endParse(int act) {
 361 //      if (sourceType != null) {
 362 //              if (sourceType.isInterface()) {
 363 //                      consumeInterfaceDeclaration();
 364 //              } else {
 365 //                      consumeClassDeclaration();
 366 //              }
 367 //      }
 368 //      if (compilationUnit != null) {
 369 //              CompilationUnitDeclaration result = super.endParse(act);
 370 //              return result;
 371 //      } else {
 372 //              return null;
 373 //      }
 374 //}
 375 /*
 376  * Flush annotations defined prior to a given positions.
 377  *
 378  * Note: annotations are stacked in syntactical order
 379  *
 380  * Either answer given <position>, or the end position of a comment line
 381  * immediately following the <position> (same line)
 382  *
 383  * e.g.
 384  * void foo(){
 385  * } // end of method foo
 386  */
 387 //
 388 //public int flushAnnotationsDefinedPriorTo(int position) {
 389 //
 390 //      return lastFieldEndPosition = super.flushAnnotationsDefinedPriorTo(position);
 391 //}
 392 //public TypeReference getTypeReference(int dim) {
 393 //      /* build a Reference on a variable that may be qualified or not
 394 //       * This variable is a type reference and dim will be its dimensions
 395 //       */
 396 //      int length;
 397 //      if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
 398 //              // single variable reference
 399 //              if (dim == 0) {
 400 //                      SingleTypeReference ref =
 401 //                              new SingleTypeReference(
 402 //                                      identifierStack[identifierPtr],
 403 //                                      identifierPositionStack[identifierPtr--]);
 404 //                      if (reportReferenceInfo) {
 405 //                              requestor.acceptTypeReference(ref.token, ref.sourceStart);
 406 //                      }
 407 //                      return ref;
 408 //              } else {
 409 //                      ArrayTypeReference ref =
 410 //                              new ArrayTypeReference(
 411 //                                      identifierStack[identifierPtr],
 412 //                                      dim,
 413 //                                      identifierPositionStack[identifierPtr--]);
 414 //                      ref.sourceEnd = endPosition;
 415 //                      if (reportReferenceInfo) {
 416 //                              requestor.acceptTypeReference(ref.token, ref.sourceStart);
 417 //                      }
 418 //                      return ref;
 419 //              }
 420 //      } else {
 421 //              if (length < 0) { //flag for precompiled type reference on base types
 422 //                      TypeReference ref = TypeReference.baseTypeReference(-length, dim);
 423 //                      ref.sourceStart = intStack[intPtr--];
 424 //                      if (dim == 0) {
 425 //                              ref.sourceEnd = intStack[intPtr--];
 426 //                      } else {
 427 //                              intPtr--; // no need to use this position as it is an array
 428 //                              ref.sourceEnd = endPosition;
 429 //                      }
 430 //                      if (reportReferenceInfo){
 431 //                                      requestor.acceptTypeReference(ref.getTypeName(), ref.sourceStart, ref.sourceEnd);
 432 //                      }
 433 //                      return ref;
 434 //              } else { //Qualified variable reference
 435 //                      char[][] tokens = new char[length][];
 436 //                      identifierPtr -= length;
 437 //                      long[] positions = new long[length];
 438 //                      System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
 439 //                      System.arraycopy(
 440 //                              identifierPositionStack,
 441 //                              identifierPtr + 1,
 442 //                              positions,
 443 //                              0,
 444 //                              length);
 445 //                      if (dim == 0) {
 446 //                              QualifiedTypeReference ref = new QualifiedTypeReference(tokens, positions);
 447 //                              if (reportReferenceInfo) {
 448 //                                      requestor.acceptTypeReference(ref.tokens, ref.sourceStart, ref.sourceEnd);
 449 //                              }
 450 //                              return ref;
 451 //                      } else {
 452 //                              ArrayQualifiedTypeReference ref =
 453 //                                      new ArrayQualifiedTypeReference(tokens, dim, positions);
 454 //                              ref.sourceEnd = endPosition;
 455 //                              if (reportReferenceInfo) {
 456 //                                      requestor.acceptTypeReference(ref.tokens, ref.sourceStart, ref.sourceEnd);
 457 //                              }
 458 //                              return ref;
 459 //                      }
 460 //              }
 461 //      }
 462 //}
 463 //public NameReference getUnspecifiedReference() {
 464 //      /* build a (unspecified) NameReference which may be qualified*/
 465 //
 466 //      int length;
 467 //      if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
 468 //              // single variable reference
 469 //              SingleNameReference ref =
 470 //                      new SingleNameReference(
 471 //                              identifierStack[identifierPtr],
 472 //                              identifierPositionStack[identifierPtr--]);
 473 //              if (reportReferenceInfo) {
 474 //                      this.addUnknownRef(ref);
 475 //              }
 476 //              return ref;
 477 //      } else {
 478 //              //Qualified variable reference
 479 //              char[][] tokens = new char[length][];
 480 //              identifierPtr -= length;
 481 //              System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
 482 //              QualifiedNameReference ref =
 483 //                      new QualifiedNameReference(
 484 //                              tokens,
 485 //                              (int) (identifierPositionStack[identifierPtr + 1] >> 32), // sourceStart
 486 //                              (int) identifierPositionStack[identifierPtr + length]); // sourceEnd
 487 //              if (reportReferenceInfo) {
 488 //                      this.addUnknownRef(ref);
 489 //              }
 490 //              return ref;
 491 //      }
 492 //}
 493 //public NameReference getUnspecifiedReferenceOptimized() {
 494 //      /* build a (unspecified) NameReference which may be qualified
 495 //      The optimization occurs for qualified reference while we are
 496 //      certain in this case the last item of the qualified name is
 497 //      a field access. This optimization is IMPORTANT while it results
 498 //      that when a NameReference is build, the type checker should always
 499 //      look for that it is not a type reference */
 500 //
 501 //      int length;
 502 //      if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
 503 //              // single variable reference
 504 //              SingleNameReference ref =
 505 //                      new SingleNameReference(
 506 //                              identifierStack[identifierPtr],
 507 //                              identifierPositionStack[identifierPtr--]);
 508 //              ref.bits &= ~AstNode.RestrictiveFlagMASK;
 509 //              ref.bits |= LOCAL | FIELD;
 510 //              if (reportReferenceInfo) {
 511 //                      this.addUnknownRef(ref);
 512 //              }
 513 //              return ref;
 514 //      }
 515 //
 516 //      //Qualified-variable-reference
 517 //      //In fact it is variable-reference DOT field-ref , but it would result in a type
 518 //      //conflict tha can be only reduce by making a superclass (or inetrface ) between
 519 //      //nameReference and FiledReference or putting FieldReference under NameReference
 520 //      //or else..........This optimisation is not really relevant so just leave as it is
 521 //
 522 //      char[][] tokens = new char[length][];
 523 //      identifierPtr -= length;
 524 //      System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
 525 //      QualifiedNameReference ref =
 526 //              new QualifiedNameReference(
 527 //                      tokens,
 528 //                      (int) (identifierPositionStack[identifierPtr + 1] >> 32),
 529 //      // sourceStart
 530 //       (int) identifierPositionStack[identifierPtr + length]); // sourceEnd
 531 //      ref.bits &= ~AstNode.RestrictiveFlagMASK;
 532 //      ref.bits |= LOCAL | FIELD;
 533 //      if (reportReferenceInfo) {
 534 //              this.addUnknownRef(ref);
 535 //      }
 536 //      return ref;
 537 //}
 538 ///**
 539 // *
 540 // * INTERNAL USE-ONLY
 541 // */
 542 //private boolean isLocalDeclaration() {
 543 //      int nestedDepth = nestedType;
 544 //      while (nestedDepth >= 0) {
 545 //              if (nestedMethod[nestedDepth] != 0) {
 546 //                      return true;
 547 //              }
 548 //              nestedDepth--;
 549 //      }
 550 //      return false;
 551 //}
 552 /*
 553  * Update the bodyStart of the corresponding parse node
 554  */
 555 public void notifySourceElementRequestor(CompilationUnitDeclaration parsedUnit) {
 556         if (parsedUnit == null) {
 557                 // when we parse a single type member declaration the compilation unit is null, but we still
 558                 // want to be able to notify the requestor on the created ast node
 559                 if (astStack[0] instanceof AbstractMethodDeclaration) {
 560                         notifySourceElementRequestor((AbstractMethodDeclaration) astStack[0]);
 561                         return;
 562                 }
 563                 return;
 564         }
 565         // range check
 566         boolean isInRange =
 567                                 scanner.initialPosition <= parsedUnit.sourceStart
 568                                 && scanner.eofPosition >= parsedUnit.sourceEnd;
 569
 570 //      if (reportReferenceInfo) {
 571 //              notifyAllUnknownReferences();
 572 //      }
 573         // collect the top level ast nodes
 574         int length = 0;
 575         AstNode[] nodes = null;
 576         if (sourceType == null){
 577                 if (isInRange) {
 578                         requestor.enterCompilationUnit();
 579                 }
 580 //              ImportReference currentPackage = parsedUnit.currentPackage;
 581 //              ImportReference[] imports = parsedUnit.imports;
 582 //              TypeDeclaration[] types = parsedUnit.types;
 583                 ArrayList types = parsedUnit.types;
 584                 if (types != null) {
 585 //              length =
 586 //                      (currentPackage == null ? 0 : 1)
 587 //                      + (imports == null ? 0 : imports.length)
 588 //                      + (types == null ? 0 : types.length);
 589 //              nodes = new AstNode[length];
 590                         length = types.size();
 591                 nodes = new AstNode[length];
 592                 int index = 0;
 593 //              if (currentPackage != null) {
 594 //                      nodes[index++] = currentPackage;
 595 //              }
 596 //              if (imports != null) {
 597 //                      for (int i = 0, max = imports.length; i < max; i++) {
 598 //                              nodes[index++] = imports[i];
 599 //                      }
 600 //              }
 601
 602                         for (int i = 0, max = types.size(); i < max; i++) {
 603                                 nodes[index++] = (AstNode)types.get(i);
 604                         }
 605                 }
 606         } else {
 607 //              TypeDeclaration[] types = parsedUnit.types;
 608     ArrayList types = parsedUnit.types;
 609                 if (types != null) {
 610                         length = types.size();
 611                         nodes = new AstNode[length];
 612                         for (int i = 0, max = types.size(); i < max; i++) {
 613                                 nodes[i] = (AstNode)types.get(i);
 614                         }
 615                 }
 616         }
 617
 618         // notify the nodes in the syntactical order
 619         if (nodes != null && length > 0) {
 620                 quickSort(nodes, 0, length-1);
 621                 for (int i=0;i<length;i++) {
 622                         AstNode node = nodes[i];
 623 //                      if (node instanceof ImportReference) {
 624 //                              ImportReference importRef = (ImportReference)node;
 625 //                              if (node == parsedUnit.currentPackage) {
 626 //                                      notifySourceElementRequestor(importRef, true);
 627 //                              } else {
 628 //                                      notifySourceElementRequestor(importRef, false);
 629 //                              }
 630 //                      } else { // instanceof TypeDeclaration
 631       if (node instanceof TypeDeclaration) {
 632                           notifySourceElementRequestor((TypeDeclaration)node, sourceType == null);
 633 //                              notifySourceElementRequestor((CompilationUnitDeclaration)node, sourceType == null);
 634                         }
 635                         // jsurfer - INSERT start
 636                         if (node instanceof AbstractMethodDeclaration) {
 637                                 notifySourceElementRequestor((AbstractMethodDeclaration)node);
 638                         }
 639 //              jsurfer - INSERT end
 640                 }
 641         }
 642
 643         if (sourceType == null){
 644                 if (isInRange) {
 645                         requestor.exitCompilationUnit(parsedUnit.sourceEnd);
 646                 }
 647         }
 648 }
 649
 650 //private void notifyAllUnknownReferences() {
 651 //      for (int i = 0, max = this.unknownRefsCounter; i < max; i++) {
 652 //              NameReference nameRef = this.unknownRefs[i];
 653 //              if ((nameRef.bits & BindingIds.VARIABLE) != 0) {
 654 //                      if ((nameRef.bits & BindingIds.TYPE) == 0) {
 655 //                              // variable but not type
 656 //                              if (nameRef instanceof SingleNameReference) {
 657 //                                      // local var or field
 658 //                                      requestor.acceptUnknownReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
 659 //                              } else {
 660 //                                      // QualifiedNameReference
 661 //                                      // The last token is a field reference and the previous tokens are a type/variable references
 662 //                                      char[][] tokens = ((QualifiedNameReference) nameRef).tokens;
 663 //                                      int tokensLength = tokens.length;
 664 //                                      requestor.acceptFieldReference(tokens[tokensLength - 1], nameRef.sourceEnd - tokens[tokensLength - 1].length + 1);
 665 //                                      char[][] typeRef = new char[tokensLength - 1][];
 666 //                                      System.arraycopy(tokens, 0, typeRef, 0, tokensLength - 1);
 667 //                                      requestor.acceptUnknownReference(typeRef, nameRef.sourceStart, nameRef.sourceEnd - tokens[tokensLength - 1].length);
 668 //                              }
 669 //                      } else {
 670 //                              // variable or type
 671 //                              if (nameRef instanceof SingleNameReference) {
 672 //                                      requestor.acceptUnknownReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
 673 //                              } else {
 674 //                                      //QualifiedNameReference
 675 //                                      requestor.acceptUnknownReference(((QualifiedNameReference) nameRef).tokens, nameRef.sourceStart, nameRef.sourceEnd);
 676 //                              }
 677 //                      }
 678 //              } else if ((nameRef.bits & BindingIds.TYPE) != 0) {
 679 //                      if (nameRef instanceof SingleNameReference) {
 680 //                              requestor.acceptTypeReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
 681 //                      } else {
 682 //                              // it is a QualifiedNameReference
 683 //                              requestor.acceptTypeReference(((QualifiedNameReference) nameRef).tokens, nameRef.sourceStart, nameRef.sourceEnd);
 684 //                      }
 685 //              }
 686 //      }
 687 //}
 688 /*
 689  * Update the bodyStart of the corresponding parse node
 690  */
 691 public void notifySourceElementRequestor(AbstractMethodDeclaration methodDeclaration) {
 692
 693         // range check
 694         boolean isInRange =
 695                                 scanner.initialPosition <= methodDeclaration.declarationSourceStart
 696                                 && scanner.eofPosition >= methodDeclaration.declarationSourceEnd;
 697
 698         if (methodDeclaration.isClinit()) {
 699                 this.visitIfNeeded(methodDeclaration);
 700                 return;
 701         }
 702
 703         if (methodDeclaration.isDefaultConstructor()) {
 704                 if (reportReferenceInfo) {
 705                         ConstructorDeclaration constructorDeclaration = (ConstructorDeclaration) methodDeclaration;
 706                         ExplicitConstructorCall constructorCall = constructorDeclaration.constructorCall;
 707                         if (constructorCall != null) {
 708                                 switch(constructorCall.accessMode) {
 709                                         case ExplicitConstructorCall.This :
 710                                                 requestor.acceptConstructorReference(
 711                                                         typeNames[nestedTypeIndex-1],
 712                                                         constructorCall.arguments == null ? 0 : constructorCall.arguments.length,
 713                                                         constructorCall.sourceStart);
 714                                                 break;
 715                                         case ExplicitConstructorCall.Super :
 716                                         case ExplicitConstructorCall.ImplicitSuper :
 717                                                 requestor.acceptConstructorReference(
 718                                                         superTypeNames[nestedTypeIndex-1],
 719                                                         constructorCall.arguments == null ? 0 : constructorCall.arguments.length,
 720                                                         constructorCall.sourceStart);
 721                                                 break;
 722                                 }
 723                         }
 724                 }
 725                 return;
 726         }
 727         char[][] argumentTypes = null;
 728         char[][] argumentNames = null;
 729         Argument[] arguments = methodDeclaration.arguments;
 730         if (arguments != null) {
 731                 int argumentLength = arguments.length;
 732                 argumentTypes = new char[argumentLength][];
 733                 argumentNames = new char[argumentLength][];
 734                 for (int i = 0; i < argumentLength; i++) {
 735                         argumentTypes[i] = returnTypeName(arguments[i].type);
 736                         argumentNames[i] = arguments[i].name;
 737                 }
 738         }
 739         char[][] thrownExceptionTypes = null;
 740         TypeReference[] thrownExceptions = methodDeclaration.thrownExceptions;
 741         if (thrownExceptions != null) {
 742                 int thrownExceptionLength = thrownExceptions.length;
 743                 thrownExceptionTypes = new char[thrownExceptionLength][];
 744                 for (int i = 0; i < thrownExceptionLength; i++) {
 745                         thrownExceptionTypes[i] =
 746                                 CharOperation.concatWith(thrownExceptions[i].getTypeName(), '.');
 747                 }
 748         }
 749         // by default no selector end position
 750         int selectorSourceEnd = -1;
 751         if (methodDeclaration.isConstructor()) {
 752 //              if (methodDeclaration instanceof SourceConstructorDeclaration) {
 753 //                      selectorSourceEnd =
 754 //                              ((SourceConstructorDeclaration) methodDeclaration).selectorSourceEnd;
 755 //              }
 756                 if (isInRange){
 757                         requestor.enterConstructor(
 758                                 methodDeclaration.declarationSourceStart,
 759                                 methodDeclaration.modifiers,
 760                                 methodDeclaration.selector,
 761                                 methodDeclaration.sourceStart,
 762                                 selectorSourceEnd,
 763                                 argumentTypes,
 764                                 argumentNames,
 765                                 thrownExceptionTypes);
 766                 }
 767                 if (reportReferenceInfo) {
 768                         ConstructorDeclaration constructorDeclaration = (ConstructorDeclaration) methodDeclaration;
 769                         ExplicitConstructorCall constructorCall = constructorDeclaration.constructorCall;
 770                         if (constructorCall != null) {
 771                                 switch(constructorCall.accessMode) {
 772                                         case ExplicitConstructorCall.This :
 773                                                 requestor.acceptConstructorReference(
 774                                                         typeNames[nestedTypeIndex-1],
 775                                                         constructorCall.arguments == null ? 0 : constructorCall.arguments.length,
 776                                                         constructorCall.sourceStart);
 777                                                 break;
 778                                         case ExplicitConstructorCall.Super :
 779                                         case ExplicitConstructorCall.ImplicitSuper :
 780                                                 requestor.acceptConstructorReference(
 781                                                         superTypeNames[nestedTypeIndex-1],
 782                                                         constructorCall.arguments == null ? 0 : constructorCall.arguments.length,
 783                                                         constructorCall.sourceStart);
 784                                                 break;
 785                                 }
 786                         }
 787                 }
 788                 this.visitIfNeeded(methodDeclaration);
 789                 if (isInRange){
 790                         requestor.exitConstructor(methodDeclaration.declarationSourceEnd);
 791                 }
 792                 return;
 793         }
 794 //      if (methodDeclaration instanceof SourceMethodDeclaration) {
 795 //              selectorSourceEnd =
 796 //                      ((SourceMethodDeclaration) methodDeclaration).selectorSourceEnd;
 797 //      }
 798         if (isInRange) {
 799                 int modifiers = methodDeclaration.modifiers;
 800 //              boolean deprecated = (modifiers & AccDeprecated) != 0; // remember deprecation so as to not lose it below
 801                 requestor.enterMethod(
 802                         methodDeclaration.declarationSourceStart,
 803                 modifiers, // deprecated ? (modifiers & AccJustFlag) | AccDeprecated : modifiers & AccJustFlag,
 804                         returnTypeName(((MethodDeclaration) methodDeclaration).returnType),
 805                         methodDeclaration.selector,
 806                         methodDeclaration.sourceStart,
 807                         selectorSourceEnd,
 808                         argumentTypes,
 809                         argumentNames,
 810                         thrownExceptionTypes);
 811         }
 812         this.visitIfNeeded(methodDeclaration);
 813
 814         if (isInRange){
 815                 requestor.exitMethod(methodDeclaration.declarationSourceEnd);
 816         }
 817 }
 818 ///*
 819 //* Update the bodyStart of the corresponding parse node
 820 //*/
 821 //public void notifySourceElementRequestor(FieldDeclaration fieldDeclaration) {
 822 //
 823 //      // range check
 824 //      boolean isInRange =
 825 //                              scanner.initialPosition <= fieldDeclaration.declarationSourceStart
 826 //                              && scanner.eofPosition >= fieldDeclaration.declarationSourceEnd;
 827 //
 828 //      if (fieldDeclaration.isField()) {
 829 //              int fieldEndPosition = fieldDeclaration.declarationSourceEnd;
 830 //              if (fieldDeclaration instanceof SourceFieldDeclaration) {
 831 //                      fieldEndPosition = ((SourceFieldDeclaration) fieldDeclaration).fieldEndPosition;
 832 //                      if (fieldEndPosition == 0) {
 833 //                              // use the declaration source end by default
 834 //                              fieldEndPosition = fieldDeclaration.declarationSourceEnd;
 835 //                      }
 836 //              }
 837 //              if (isInRange) {
 838 //                      int modifiers = fieldDeclaration.modifiers;
 839 //                      boolean deprecated = (modifiers & AccDeprecated) != 0; // remember deprecation so as to not lose it below
 840 //                      requestor.enterField(
 841 //                              fieldDeclaration.declarationSourceStart,
 842 //                              deprecated ? (modifiers & AccJustFlag) | AccDeprecated : modifiers & AccJustFlag,
 843 //                              returnTypeName(fieldDeclaration.type),
 844 //                              fieldDeclaration.name,
 845 //                              fieldDeclaration.sourceStart,
 846 //                              fieldDeclaration.sourceEnd);
 847 //              }
 848 //              this.visitIfNeeded(fieldDeclaration);
 849 //              if (isInRange){
 850 //                      requestor.exitField(
 851 //                              // filter out initializations that are not a constant (simple check)
 852 //                              (fieldDeclaration.initialization == null
 853 //                                              || fieldDeclaration.initialization instanceof ArrayInitializer
 854 //                                              || fieldDeclaration.initialization instanceof AllocationExpression
 855 //                                              || fieldDeclaration.initialization instanceof ArrayAllocationExpression
 856 //                                              || fieldDeclaration.initialization instanceof Assignment
 857 //                                              || fieldDeclaration.initialization instanceof ClassLiteralAccess
 858 //                                              || fieldDeclaration.initialization instanceof MessageSend
 859 //                                              || fieldDeclaration.initialization instanceof ArrayReference
 860 //                                              || fieldDeclaration.initialization instanceof ThisReference) ?
 861 //                                      -1 :
 862 //                                      fieldDeclaration.initialization.sourceStart,
 863 //                              fieldEndPosition,
 864 //                              fieldDeclaration.declarationSourceEnd);
 865 //              }
 866 //
 867 //      } else {
 868 //              if (isInRange){
 869 //                      requestor.enterInitializer(
 870 //                              fieldDeclaration.declarationSourceStart,
 871 //                              fieldDeclaration.modifiers);
 872 //              }
 873 //              this.visitIfNeeded((Initializer)fieldDeclaration);
 874 //              if (isInRange){
 875 //                      requestor.exitInitializer(fieldDeclaration.declarationSourceEnd);
 876 //              }
 877 //      }
 878 //}
 879 //public void notifySourceElementRequestor(
 880 //      ImportReference importReference,
 881 //      boolean isPackage) {
 882 //      if (isPackage) {
 883 //              requestor.acceptPackage(
 884 //                      importReference.declarationSourceStart,
 885 //                      importReference.declarationSourceEnd,
 886 //                      CharOperation.concatWith(importReference.getImportName(), '.'));
 887 //      } else {
 888 //              requestor.acceptImport(
 889 //                      importReference.declarationSourceStart,
 890 //                      importReference.declarationSourceEnd,
 891 //                      CharOperation.concatWith(importReference.getImportName(), '.'),
 892 //                      importReference.onDemand);
 893 //      }
 894 //}
 895 public void notifySourceElementRequestor(TypeDeclaration typeDeclaration, boolean notifyTypePresence) {
 896 ////    public void notifySourceElementRequestor(AstNode typeDeclaration, boolean notifyTypePresence) {
 897
 898         // range check
 899         boolean isInRange =
 900                                 scanner.initialPosition <= typeDeclaration.declarationSourceStart
 901                                 && scanner.eofPosition >= typeDeclaration.declarationSourceEnd;
 902
 903         FieldDeclaration[] fields = typeDeclaration.fields;
 904         AbstractMethodDeclaration[] methods = typeDeclaration.methods;
 905         MemberTypeDeclaration[] memberTypes = typeDeclaration.memberTypes;
 906         int fieldCount = fields == null ? 0 : fields.length;
 907         int methodCount = methods == null ? 0 : methods.length;
 908         int memberTypeCount = memberTypes == null ? 0 : memberTypes.length;
 909         int fieldIndex = 0;
 910         int methodIndex = 0;
 911         int memberTypeIndex = 0;
 912         boolean isInterface = typeDeclaration.isInterface();
 913
 914         if (notifyTypePresence){
 915                 char[][] interfaceNames = null;
 916                 int superInterfacesLength = 0;
 917                 TypeReference[] superInterfaces = typeDeclaration.superInterfaces;
 918                 if (superInterfaces != null) {
 919                         superInterfacesLength = superInterfaces.length;
 920                         interfaceNames = new char[superInterfacesLength][];
 921                 } else {
 922                         if (typeDeclaration instanceof AnonymousLocalTypeDeclaration) {
 923                                 // see PR 3442
 924                                 QualifiedAllocationExpression alloc = ((AnonymousLocalTypeDeclaration)typeDeclaration).allocation;
 925                                 if (alloc != null && alloc.type != null) {
 926                                         superInterfaces = new TypeReference[] { ((AnonymousLocalTypeDeclaration)typeDeclaration).allocation.type};
 927                                         superInterfacesLength = 1;
 928                                         interfaceNames = new char[1][];
 929                                 }
 930                         }
 931                 }
 932                 if (superInterfaces != null) {
 933                         for (int i = 0; i < superInterfacesLength; i++) {
 934                                 interfaceNames[i] =
 935                                         CharOperation.concatWith(superInterfaces[i].getTypeName(), '.');
 936                         }
 937                 }
 938                 if (isInterface) {
 939                         if (isInRange){
 940                                 int modifiers = typeDeclaration.modifiers;
 941                                 boolean deprecated = false; //(modifiers & AccDeprecated) != 0; // remember deprecation so as to not lose it below
 942                                 requestor.enterInterface(
 943                                         typeDeclaration.declarationSourceStart,
 944                                         modifiers, //deprecated ? (modifiers & AccJustFlag) | AccDeprecated : modifiers & AccJustFlag,
 945                                         typeDeclaration.name,
 946                                         typeDeclaration.sourceStart,
 947                                         typeDeclaration.sourceEnd,
 948                                         interfaceNames);
 949                         }
 950                         if (nestedTypeIndex == typeNames.length) {
 951                                 // need a resize
 952                                 System.arraycopy(typeNames, 0, (typeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
 953                                 System.arraycopy(superTypeNames, 0, (superTypeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
 954                         }
 955                         typeNames[nestedTypeIndex] = typeDeclaration.name;
 956                         superTypeNames[nestedTypeIndex++] = JAVA_LANG_OBJECT;
 957                 } else {
 958                         TypeReference superclass = typeDeclaration.superclass;
 959                         if (superclass == null) {
 960                                 if (isInRange){
 961                                         requestor.enterClass(
 962                                                 typeDeclaration.declarationSourceStart,
 963                                                 typeDeclaration.modifiers,
 964                                                 typeDeclaration.name,
 965                                                 typeDeclaration.sourceStart,
 966                                                 typeDeclaration.sourceEnd,
 967                                                 null,
 968                                                 interfaceNames);
 969                                 }
 970                         } else {
 971                                 if (isInRange){
 972                                         requestor.enterClass(
 973                                                 typeDeclaration.declarationSourceStart,
 974                                                 typeDeclaration.modifiers,
 975                                                 typeDeclaration.name,
 976                                                 typeDeclaration.sourceStart,
 977                                                 typeDeclaration.sourceEnd,
 978                                                 CharOperation.concatWith(superclass.getTypeName(), '.'),
 979                                                 interfaceNames);
 980                                 }
 981                         }
 982                         if (nestedTypeIndex == typeNames.length) {
 983                                 // need a resize
 984                                 System.arraycopy(typeNames, 0, (typeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
 985                                 System.arraycopy(superTypeNames, 0, (superTypeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
 986                         }
 987                         typeNames[nestedTypeIndex] = typeDeclaration.name;
 988                         superTypeNames[nestedTypeIndex++] = superclass == null ? JAVA_LANG_OBJECT : CharOperation.concatWith(superclass.getTypeName(), '.');
 989                 }
 990         }
 991         while ((fieldIndex < fieldCount)
 992                 || (memberTypeIndex < memberTypeCount)
 993                 || (methodIndex < methodCount)) {
 994                 FieldDeclaration nextFieldDeclaration = null;
 995                 AbstractMethodDeclaration nextMethodDeclaration = null;
 996                 TypeDeclaration nextMemberDeclaration = null;
 997
 998                 int position = Integer.MAX_VALUE;
 999                 int nextDeclarationType = -1;
1000                 if (fieldIndex < fieldCount) {
1001                         nextFieldDeclaration = fields[fieldIndex];
1002                         if (nextFieldDeclaration.declarationSourceStart < position) {
1003                                 position = nextFieldDeclaration.declarationSourceStart;
1004                                 nextDeclarationType = 0; // FIELD
1005                         }
1006                 }
1007                 if (methodIndex < methodCount) {
1008                         nextMethodDeclaration = methods[methodIndex];
1009                         if (nextMethodDeclaration.declarationSourceStart < position) {
1010                                 position = nextMethodDeclaration.declarationSourceStart;
1011                                 nextDeclarationType = 1; // METHOD
1012                         }
1013                 }
1014                 if (memberTypeIndex < memberTypeCount) {
1015                         nextMemberDeclaration = memberTypes[memberTypeIndex];
1016                         if (nextMemberDeclaration.declarationSourceStart < position) {
1017                                 position = nextMemberDeclaration.declarationSourceStart;
1018                                 nextDeclarationType = 2; // MEMBER
1019                         }
1020                 }
1021                 switch (nextDeclarationType) {
1022                         case 0 :
1023                                 fieldIndex++;
1024 //                              notifySourceElementRequestor(nextFieldDeclaration);
1025                                 break;
1026                         case 1 :
1027                                 methodIndex++;
1028                                 notifySourceElementRequestor(nextMethodDeclaration);
1029                                 break;
1030                         case 2 :
1031                                 memberTypeIndex++;
1032                                 notifySourceElementRequestor(nextMemberDeclaration, true);
1033                 }
1034         }
1035         if (notifyTypePresence){
1036                 if (isInRange){
1037                         if (isInterface) {
1038                                 requestor.exitInterface(typeDeclaration.declarationSourceEnd);
1039                         } else {
1040                                 requestor.exitClass(typeDeclaration.declarationSourceEnd);
1041                         }
1042                 }
1043                 nestedTypeIndex--;
1044         }
1045 }
1046 public void parseCompilationUnit (
1047         ICompilationUnit unit,
1048         int start,
1049         int end ) {
1050 //      boolean needReferenceInfo) {
1051
1052 //      reportReferenceInfo = needReferenceInfo;
1053 //      boolean old = diet;
1054 //      if (needReferenceInfo) {
1055 //              unknownRefs = new NameReference[10];
1056 //              unknownRefsCounter = 0;
1057 //      }
1058
1059         try {
1060 //              diet = true;
1061                 CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0, 10); //this.options.maxProblemsPerUnit);
1062                 CompilationUnitDeclaration parsedUnit = parse(unit, compilationUnitResult, start, end);
1063 //              if (scanner.recordLineSeparator) {
1064 //                      requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
1065 //              }
1066 //              if (this.localDeclarationVisitor != null || needReferenceInfo){
1067 //                      diet = false;
1068 //                      this.getMethodBodies(parsedUnit);
1069 //              }
1070 //              this.scanner.resetTo(start, end);
1071 //              notifySourceElementRequestor(parsedUnit);
1072         } catch (AbortCompilation e) {
1073         } finally {
1074 //              diet = old;
1075         }
1076 }
1077 public CompilationUnitDeclaration parseCompilationUnit(
1078                 ICompilationUnit unit,
1079                 boolean fullParse) {
1080
1081 //              boolean old = diet;
1082 //              if (fullParse) {
1083 //                      unknownRefs = new NameReference[10];
1084 //                      unknownRefsCounter = 0;
1085 //              }
1086
1087                 try {
1088 //                      diet = true;
1089                         this.reportReferenceInfo = fullParse;
1090                         CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0, this.options.maxProblemsPerUnit);
1091                         CompilationUnitDeclaration parsedUnit = parse(unit, compilationUnitResult, false);
1092                         if (scanner.recordLineSeparator) {
1093                                 requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
1094                         }
1095                         int initialStart = this.scanner.initialPosition;
1096                         int initialEnd = this.scanner.eofPosition;
1097 //                      if (this.localDeclarationVisitor != null || fullParse){
1098 //                              diet = false;
1099 //                              this.getMethodBodies(parsedUnit);
1100 //                      }
1101                         this.scanner.resetTo(initialStart, initialEnd);
1102                         notifySourceElementRequestor(parsedUnit);
1103                         return parsedUnit;
1104                 } catch (AbortCompilation e) {
1105                         // ignore this exception
1106                 } finally {
1107 //                      diet = old;
1108                 }
1109                 return null;
1110         }
1111
1112 //public void parseTypeMemberDeclarations(
1113 //      ISourceType sourceType,
1114 //      ICompilationUnit sourceUnit,
1115 //      int start,
1116 //      int end,
1117 //      boolean needReferenceInfo) {
1118 //      boolean old = diet;
1119 //      if (needReferenceInfo) {
1120 //              unknownRefs = new NameReference[10];
1121 //              unknownRefsCounter = 0;
1122 //      }
1123 //
1124 //      try {
1125 //              diet = !needReferenceInfo;
1126 //              reportReferenceInfo = needReferenceInfo;
1127 //              CompilationResult compilationUnitResult =
1128 //                      new CompilationResult(sourceUnit, 0, 0, this.options.maxProblemsPerUnit);
1129 //              CompilationUnitDeclaration unit =
1130 //                      SourceTypeConverter.buildCompilationUnit(
1131 //                              new ISourceType[]{sourceType},
1132 //                              false, // no need for field and methods
1133 //                              false, // no need for member types
1134 //                              false, // no need for field initialization
1135 //                              problemReporter(),
1136 //                              compilationUnitResult);
1137 //              if ((unit == null) || (unit.types == null) || (unit.types.length != 1))
1138 //                      return;
1139 //              this.sourceType = sourceType;
1140 //              try {
1141 //                      /* automaton initialization */
1142 //                      initialize();
1143 //                      goForClassBodyDeclarations();
1144 //                      /* scanner initialization */
1145 //                      scanner.setSource(sourceUnit.getContents());
1146 //                      scanner.resetTo(start, end);
1147 //                      /* unit creation */
1148 //                      referenceContext = compilationUnit = unit;
1149 //                      /* initialize the astStacl */
1150 //                      // the compilationUnitDeclaration should contain exactly one type
1151 //                      pushOnAstStack(unit.types[0]);
1152 //                      /* run automaton */
1153 //                      parse();
1154 //                      notifySourceElementRequestor(unit);
1155 //              } finally {
1156 //                      unit = compilationUnit;
1157 //                      compilationUnit = null; // reset parser
1158 //              }
1159 //      } catch (AbortCompilation e) {
1160 //      } finally {
1161 //              if (scanner.recordLineSeparator) {
1162 //                      requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
1163 //              }
1164 //              diet = old;
1165 //      }
1166 //}
1167 //
1168 //public void parseTypeMemberDeclarations(
1169 //      char[] contents,
1170 //      int start,
1171 //      int end) {
1172 //
1173 //      boolean old = diet;
1174 //
1175 //      try {
1176 //              diet = true;
1177 //
1178 //              /* automaton initialization */
1179 //              initialize();
1180 //              goForClassBodyDeclarations();
1181 //              /* scanner initialization */
1182 //              scanner.setSource(contents);
1183 //              scanner.recordLineSeparator = false;
1184 //              scanner.taskTags = null;
1185 //              scanner.taskPriorities = null;
1186 //              scanner.resetTo(start, end);
1187 //
1188 //              /* unit creation */
1189 //              referenceContext = null;
1190 //
1191 //              /* initialize the astStacl */
1192 //              // the compilationUnitDeclaration should contain exactly one type
1193 //              /* run automaton */
1194 //              parse();
1195 //              notifySourceElementRequestor((CompilationUnitDeclaration)null);
1196 //      } catch (AbortCompilation e) {
1197 //      } finally {
1198 //              diet = old;
1199 //      }
1200 //}
1201 /**
1202  * Sort the given ast nodes by their positions.
1203  */
1204 private static void quickSort(AstNode[] sortedCollection, int left, int right) {
1205         int original_left = left;
1206         int original_right = right;
1207         AstNode mid = sortedCollection[ (left + right) / 2];
1208         do {
1209                 while (sortedCollection[left].sourceStart < mid.sourceStart) {
1210                         left++;
1211                 }
1212                 while (mid.sourceStart < sortedCollection[right].sourceStart) {
1213                         right--;
1214                 }
1215                 if (left <= right) {
1216                         AstNode tmp = sortedCollection[left];
1217                         sortedCollection[left] = sortedCollection[right];
1218                         sortedCollection[right] = tmp;
1219                         left++;
1220                         right--;
1221                 }
1222         } while (left <= right);
1223         if (original_left < right) {
1224                 quickSort(sortedCollection, original_left, right);
1225         }
1226         if (left < original_right) {
1227                 quickSort(sortedCollection, left, original_right);
1228         }
1229 }
1230 /*
1231  * Answer a char array representation of the type name formatted like:
1232  * - type name + dimensions
1233  * Example:
1234  * "A[][]".toCharArray()
1235  * "java.lang.String".toCharArray()
1236  */
1237 private char[] returnTypeName(TypeReference type) {
1238         if (type == null)
1239                 return null;
1240         int dimension = type.dimensions();
1241         if (dimension != 0) {
1242                 char[] dimensionsArray = new char[dimension * 2];
1243                 for (int i = 0; i < dimension; i++) {
1244                         dimensionsArray[i * 2] = '[';
1245                         dimensionsArray[(i * 2) + 1] = ']';
1246                 }
1247                 return CharOperation.concat(
1248                         CharOperation.concatWith(type.getTypeName(), '.'),
1249                         dimensionsArray);
1250         }
1251         return CharOperation.concatWith(type.getTypeName(), '.');
1252 }
1253
1254 public void addUnknownRef(NameReference nameRef) {
1255         if (this.unknownRefs.length == this.unknownRefsCounter) {
1256                 // resize
1257                 System.arraycopy(
1258                         this.unknownRefs,
1259                         0,
1260                         (this.unknownRefs = new NameReference[this.unknownRefsCounter * 2]),
1261                         0,
1262                         this.unknownRefsCounter);
1263         }
1264         this.unknownRefs[this.unknownRefsCounter++] = nameRef;
1265 }
1266
1267 private void visitIfNeeded(AbstractMethodDeclaration method) {
1268         if (this.localDeclarationVisitor != null
1269                 && (method.bits & AstNode.HasLocalTypeMASK) != 0) {
1270                         if (method.statements != null) {
1271                                 int statementsLength = method.statements.length;
1272                                 for (int i = 0; i < statementsLength; i++)
1273                                         method.statements[i].traverse(this.localDeclarationVisitor, method.scope);
1274                         }
1275         }
1276 }
1277
1278 //private void visitIfNeeded(FieldDeclaration field) {
1279 //      if (this.localDeclarationVisitor != null
1280 //              && (field.bits & AstNode.HasLocalTypeMASK) != 0) {
1281 //                      if (field.initialization != null) {
1282 //                              field.initialization.traverse(this.localDeclarationVisitor, null);
1283 //                      }
1284 //      }
1285 //}
1286 //
1287 //private void visitIfNeeded(Initializer initializer) {
1288 //      if (this.localDeclarationVisitor != null
1289 //              && (initializer.bits & AstNode.HasLocalTypeMASK) != 0) {
1290 //                      if (initializer.block != null) {
1291 //                              initializer.block.traverse(this.localDeclarationVisitor, null);
1292 //                      }
1293 //      }
1294 //}
1295 //
1296 //protected void reportSyntaxError(int act, int currentKind, int stateStackTop) {
1297 //      if (compilationUnit == null) return;
1298 //      super.reportSyntaxError(act, currentKind,stateStackTop);
1299 //}
1300
1301 }