Rewritten Parser/Scanner to package net.sourceforge.phpdt.internal.compiler.parser
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / SourceElementParser.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/SourceElementParser.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/SourceElementParser.java
deleted file mode 100644 (file)
index 7902369..0000000
+++ /dev/null
@@ -1,1330 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2001, 2002 International Business Machines Corp. and others.
- * All rights reserved. This program and the accompanying materials 
- * are made available under the terms of the Common Public License v0.5 
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v05.html
- * 
- * Contributors:
- *     IBM Corporation - initial API and implementation
- ******************************************************************************/
-package net.sourceforge.phpdt.internal.compiler;
-
-/**
- * A source element parser extracts structural and reference information
- * from a piece of source.
- *
- * also see @ISourceElementRequestor
- *
- * The structural investigation includes:
- * - the package statement
- * - import statements
- * - top-level types: package member, member types (member types of member types...)
- * - fields
- * - methods
- *
- * If reference information is requested, then all source constructs are
- * investigated and type, field & method references are provided as well.
- *
- * Any (parsing) problem encountered is also provided.
- */
-
-import net.sourceforge.phpdt.core.compiler.IProblem;
-import net.sourceforge.phpdt.internal.compiler.ast.AbstractMethodDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.AllocationExpression;
-import net.sourceforge.phpdt.internal.compiler.ast.AnonymousLocalTypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.Argument;
-import net.sourceforge.phpdt.internal.compiler.ast.ArrayQualifiedTypeReference;
-import net.sourceforge.phpdt.internal.compiler.ast.ArrayTypeReference;
-import net.sourceforge.phpdt.internal.compiler.ast.AstNode;
-import net.sourceforge.phpdt.internal.compiler.ast.CompilationUnitDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.ConstructorDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.ExplicitConstructorCall;
-import net.sourceforge.phpdt.internal.compiler.ast.Expression;
-import net.sourceforge.phpdt.internal.compiler.ast.FieldDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.FieldReference;
-import net.sourceforge.phpdt.internal.compiler.ast.ImportReference;
-import net.sourceforge.phpdt.internal.compiler.ast.Initializer;
-import net.sourceforge.phpdt.internal.compiler.ast.LocalTypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.MemberTypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.MessageSend;
-import net.sourceforge.phpdt.internal.compiler.ast.MethodDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.NameReference;
-import net.sourceforge.phpdt.internal.compiler.ast.QualifiedAllocationExpression;
-import net.sourceforge.phpdt.internal.compiler.ast.QualifiedNameReference;
-import net.sourceforge.phpdt.internal.compiler.ast.QualifiedTypeReference;
-import net.sourceforge.phpdt.internal.compiler.ast.SingleNameReference;
-import net.sourceforge.phpdt.internal.compiler.ast.SingleTypeReference;
-import net.sourceforge.phpdt.internal.compiler.ast.TypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.TypeReference;
-import net.sourceforge.phpdt.internal.compiler.env.ICompilationUnit;
-import net.sourceforge.phpdt.internal.compiler.env.ISourceType;
-import net.sourceforge.phpdt.internal.compiler.impl.CompilerOptions;
-import net.sourceforge.phpdt.internal.compiler.impl.ReferenceContext;
-import net.sourceforge.phpdt.internal.compiler.lookup.BindingIds;
-import net.sourceforge.phpdt.internal.compiler.lookup.BlockScope;
-import net.sourceforge.phpdt.internal.compiler.lookup.ClassScope;
-import net.sourceforge.phpdt.internal.compiler.parser.Parser;
-import net.sourceforge.phpdt.internal.compiler.parser.RecoveredType;
-import net.sourceforge.phpdt.internal.compiler.parser.SourceConstructorDeclaration;
-import net.sourceforge.phpdt.internal.compiler.parser.SourceFieldDeclaration;
-import net.sourceforge.phpdt.internal.compiler.parser.SourceMethodDeclaration;
-import net.sourceforge.phpdt.internal.compiler.parser.SourceTypeConverter;
-import net.sourceforge.phpdt.internal.compiler.problem.AbortCompilation;
-import net.sourceforge.phpdt.internal.compiler.problem.ProblemReporter;
-import net.sourceforge.phpdt.internal.compiler.util.CharOperation;
-
-public class SourceElementParser extends Parser {
-       
-       ISourceElementRequestor requestor;
-       private int fieldCount;
-       private int localIntPtr;
-       private int lastFieldEndPosition;
-       private ISourceType sourceType;
-       private boolean reportReferenceInfo;
-       private char[][] typeNames;
-       private char[][] superTypeNames;
-       private int nestedTypeIndex;
-       private static final char[] JAVA_LANG_OBJECT = "java.lang.Object".toCharArray(); //$NON-NLS-1$
-       private NameReference[] unknownRefs;
-       private int unknownRefsCounter;
-       private LocalDeclarationVisitor localDeclarationVisitor = null;
-       private CompilerOptions options;
-       
-/**
- * An ast visitor that visits local type declarations.
- */
-public class LocalDeclarationVisitor extends AbstractSyntaxTreeVisitorAdapter {
-       public boolean visit(
-                       AnonymousLocalTypeDeclaration anonymousTypeDeclaration,
-                       BlockScope scope) {
-               notifySourceElementRequestor(anonymousTypeDeclaration, sourceType == null);
-               return false; // don't visit members as this was done during notifySourceElementRequestor(...)
-       }
-       public boolean visit(LocalTypeDeclaration typeDeclaration, BlockScope scope) {
-               notifySourceElementRequestor(typeDeclaration, sourceType == null);
-               return false; // don't visit members as this was done during notifySourceElementRequestor(...)
-       }
-       public boolean visit(MemberTypeDeclaration typeDeclaration, ClassScope scope) {
-               notifySourceElementRequestor(typeDeclaration, sourceType == null);
-               return false; // don't visit members as this was done during notifySourceElementRequestor(...)
-       }
-       
-}
-
-public SourceElementParser(
-       final ISourceElementRequestor requestor, 
-       IProblemFactory problemFactory,
-       CompilerOptions options) {
-       // we want to notify all syntax error with the acceptProblem API
-       // To do so, we define the record method of the ProblemReporter
-       super(new ProblemReporter(
-               DefaultErrorHandlingPolicies.exitAfterAllProblems(),
-               options, 
-               problemFactory) {
-               public void record(IProblem problem, CompilationResult unitResult, ReferenceContext referenceContext) {
-                       unitResult.record(problem, referenceContext);
-                       requestor.acceptProblem(problem);
-               }
-       },
-       true,
-       options.assertMode);
-       this.requestor = requestor;
-       typeNames = new char[4][];
-       superTypeNames = new char[4][];
-       nestedTypeIndex = 0;
-       this.options = options;
-}
-
-/** @deprecated use SourceElementParser(ISourceElementRequestor, IProblemFactory, CompilerOptions) */
-public SourceElementParser(
-       final ISourceElementRequestor requestor, 
-       IProblemFactory problemFactory) {
-               this(requestor, problemFactory, new CompilerOptions());
-}
-
-public SourceElementParser(
-       final ISourceElementRequestor requestor, 
-       IProblemFactory problemFactory,
-       CompilerOptions options,
-       boolean reportLocalDeclarations) {
-               this(requestor, problemFactory, options);
-               if (reportLocalDeclarations) {
-                       this.localDeclarationVisitor = new LocalDeclarationVisitor();
-               }
-}
-
-public void checkAnnotation() {
-       int firstCommentIndex = scanner.commentPtr;
-
-       super.checkAnnotation();
-
-       // modify the modifier source start to point at the first comment
-       if (firstCommentIndex >= 0) {
-               modifiersSourceStart = scanner.commentStarts[0]; 
-       }
-}
-
-protected void classInstanceCreation(boolean alwaysQualified) {
-
-       boolean previousFlag = reportReferenceInfo;
-       reportReferenceInfo = false; // not to see the type reference reported in super call to getTypeReference(...)
-       super.classInstanceCreation(alwaysQualified);
-       reportReferenceInfo = previousFlag;
-       if (reportReferenceInfo){
-               AllocationExpression alloc = (AllocationExpression)expressionStack[expressionPtr];
-               TypeReference typeRef = alloc.type;
-               requestor.acceptConstructorReference(
-                       typeRef instanceof SingleTypeReference 
-                               ? ((SingleTypeReference) typeRef).token
-                               : CharOperation.concatWith(alloc.type.getTypeName(), '.'),
-                       alloc.arguments == null ? 0 : alloc.arguments.length, 
-                       alloc.sourceStart);
-       }
-}
-protected void consumeConstructorHeaderName() {
-       // ConstructorHeaderName ::=  Modifiersopt 'Identifier' '('
-
-       /* recovering - might be an empty message send */
-       if (currentElement != null){
-               if (lastIgnoredToken == TokenNamenew){ // was an allocation expression
-                       lastCheckPoint = scanner.startPosition; // force to restart at this exact position                              
-                       restartRecovery = true;
-                       return;
-               }
-       }
-       SourceConstructorDeclaration cd = new SourceConstructorDeclaration(this.compilationUnit.compilationResult);
-
-       //name -- this is not really revelant but we do .....
-       cd.selector = identifierStack[identifierPtr];
-       long selectorSourcePositions = identifierPositionStack[identifierPtr--];
-       identifierLengthPtr--;
-
-       //modifiers
-       cd.declarationSourceStart = intStack[intPtr--];
-       cd.modifiers = intStack[intPtr--];
-
-       //highlight starts at the selector starts
-       cd.sourceStart = (int) (selectorSourcePositions >>> 32);
-       cd.selectorSourceEnd = (int) selectorSourcePositions;
-       pushOnAstStack(cd);
-
-       cd.sourceEnd = lParenPos;
-       cd.bodyStart = lParenPos+1;
-       listLength = 0; // initialize listLength before reading parameters/throws
-
-       // recovery
-       if (currentElement != null){
-               lastCheckPoint = cd.bodyStart;
-               if ((currentElement instanceof RecoveredType && lastIgnoredToken != TokenNameDOT)
-                       || cd.modifiers != 0){
-                       currentElement = currentElement.add(cd, 0);
-                       lastIgnoredToken = -1;
-               }
-       }       
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeExitVariableWithInitialization() {
-       // ExitVariableWithInitialization ::= $empty
-       // the scanner is located after the comma or the semi-colon.
-       // we want to include the comma or the semi-colon
-       super.consumeExitVariableWithInitialization();
-       if (isLocalDeclaration() || ((currentToken != TokenNameCOMMA) && (currentToken != TokenNameSEMICOLON)))
-               return;
-       ((SourceFieldDeclaration) astStack[astPtr]).fieldEndPosition = scanner.currentPosition - 1;
-}
-protected void consumeExitVariableWithoutInitialization() {
-       // ExitVariableWithoutInitialization ::= $empty
-       // do nothing by default
-       if (isLocalDeclaration() || ((currentToken != TokenNameCOMMA) && (currentToken != TokenNameSEMICOLON)))
-               return;
-       ((SourceFieldDeclaration) astStack[astPtr]).fieldEndPosition = scanner.currentPosition - 1;
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeFieldAccess(boolean isSuperAccess) {
-       // FieldAccess ::= Primary '.' 'Identifier'
-       // FieldAccess ::= 'super' '.' 'Identifier'
-       super.consumeFieldAccess(isSuperAccess);
-       FieldReference fr = (FieldReference) expressionStack[expressionPtr];
-       if (reportReferenceInfo) {
-               requestor.acceptFieldReference(fr.token, fr.sourceStart);
-       }
-}
-protected void consumeMethodHeaderName() {
-       // MethodHeaderName ::= Modifiersopt Type 'Identifier' '('
-       SourceMethodDeclaration md = new SourceMethodDeclaration(this.compilationUnit.compilationResult);
-
-       //name
-       md.selector = identifierStack[identifierPtr];
-       long selectorSourcePositions = identifierPositionStack[identifierPtr--];
-       identifierLengthPtr--;
-       //type
-       md.returnType = getTypeReference(intStack[intPtr--]);
-       //modifiers
-       md.declarationSourceStart = intStack[intPtr--];
-       md.modifiers = intStack[intPtr--];
-
-       //highlight starts at selector start
-       md.sourceStart = (int) (selectorSourcePositions >>> 32);
-       md.selectorSourceEnd = (int) selectorSourcePositions;
-       pushOnAstStack(md);
-       md.sourceEnd = lParenPos;
-       md.bodyStart = lParenPos+1;
-       listLength = 0; // initialize listLength before reading parameters/throws
-       
-       // recovery
-       if (currentElement != null){
-               if (currentElement instanceof RecoveredType 
-                       //|| md.modifiers != 0
-                       || (scanner.getLineNumber(md.returnType.sourceStart)
-                                       == scanner.getLineNumber(md.sourceStart))){
-                       lastCheckPoint = md.bodyStart;
-                       currentElement = currentElement.add(md, 0);
-                       lastIgnoredToken = -1;                  
-               } else {
-                       lastCheckPoint = md.sourceStart;
-                       restartRecovery = true;
-               }
-       }               
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeMethodInvocationName() {
-       // MethodInvocation ::= Name '(' ArgumentListopt ')'
-
-       // when the name is only an identifier...we have a message send to "this" (implicit)
-       super.consumeMethodInvocationName();
-       MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
-       Expression[] args = messageSend.arguments;
-       if (reportReferenceInfo) {
-               requestor.acceptMethodReference(
-                       messageSend.selector, 
-                       args == null ? 0 : args.length, 
-                       (int)(messageSend.nameSourcePosition >>> 32));
-       }
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeMethodInvocationPrimary() {
-       super.consumeMethodInvocationPrimary();
-       MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
-       Expression[] args = messageSend.arguments;
-       if (reportReferenceInfo) {
-               requestor.acceptMethodReference(
-                       messageSend.selector, 
-                       args == null ? 0 : args.length, 
-                       (int)(messageSend.nameSourcePosition >>> 32));
-       }
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeMethodInvocationSuper() {
-       // MethodInvocation ::= 'super' '.' 'Identifier' '(' ArgumentListopt ')'
-       super.consumeMethodInvocationSuper();
-       MessageSend messageSend = (MessageSend) expressionStack[expressionPtr];
-       Expression[] args = messageSend.arguments;
-       if (reportReferenceInfo) {
-               requestor.acceptMethodReference(
-                       messageSend.selector, 
-                       args == null ? 0 : args.length, 
-                       (int)(messageSend.nameSourcePosition >>> 32));
-       }
-}
-protected void consumeSingleTypeImportDeclarationName() {
-       // SingleTypeImportDeclarationName ::= 'import' Name
-       /* push an ImportRef build from the last name 
-       stored in the identifier stack. */
-
-       super.consumeSingleTypeImportDeclarationName();
-       ImportReference impt = (ImportReference)astStack[astPtr];
-       if (reportReferenceInfo) {
-               requestor.acceptTypeReference(impt.tokens, impt.sourceStart, impt.sourceEnd);
-       }
-}
-protected void consumeTypeImportOnDemandDeclarationName() {
-       // TypeImportOnDemandDeclarationName ::= 'import' Name '.' '*'
-       /* push an ImportRef build from the last name 
-       stored in the identifier stack. */
-
-       super.consumeTypeImportOnDemandDeclarationName();
-       ImportReference impt = (ImportReference)astStack[astPtr];
-       if (reportReferenceInfo) {
-               requestor.acceptUnknownReference(impt.tokens, impt.sourceStart, impt.sourceEnd);
-       }
-}
-protected FieldDeclaration createFieldDeclaration(Expression initialization, char[] name, int sourceStart, int sourceEnd) {
-       return new SourceFieldDeclaration(null, name, sourceStart, sourceEnd);
-}
-protected CompilationUnitDeclaration endParse(int act) {
-       if (sourceType != null) {
-               if (sourceType.isInterface()) {
-                       consumeInterfaceDeclaration();
-               } else {
-                       consumeClassDeclaration();
-               }
-       }
-       if (compilationUnit != null) {
-               CompilationUnitDeclaration result = super.endParse(act);
-               return result;
-       } else {
-               return null;
-       }               
-}
-/*
- * Flush annotations defined prior to a given positions.
- *
- * Note: annotations are stacked in syntactical order
- *
- * Either answer given <position>, or the end position of a comment line 
- * immediately following the <position> (same line)
- *
- * e.g.
- * void foo(){
- * } // end of method foo
- */
-public int flushAnnotationsDefinedPriorTo(int position) {
-
-       return lastFieldEndPosition = super.flushAnnotationsDefinedPriorTo(position);
-}
-public TypeReference getTypeReference(int dim) {
-       /* build a Reference on a variable that may be qualified or not
-        * This variable is a type reference and dim will be its dimensions
-        */
-       int length;
-       if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
-               // single variable reference
-               if (dim == 0) {
-                       SingleTypeReference ref = 
-                               new SingleTypeReference(
-                                       identifierStack[identifierPtr], 
-                                       identifierPositionStack[identifierPtr--]);
-                       if (reportReferenceInfo) {
-                               requestor.acceptTypeReference(ref.token, ref.sourceStart);
-                       }
-                       return ref;
-               } else {
-                       ArrayTypeReference ref = 
-                               new ArrayTypeReference(
-                                       identifierStack[identifierPtr], 
-                                       dim, 
-                                       identifierPositionStack[identifierPtr--]); 
-                       ref.sourceEnd = endPosition;
-                       if (reportReferenceInfo) {
-                               requestor.acceptTypeReference(ref.token, ref.sourceStart);
-                       }
-                       return ref;
-               }
-       } else {
-               if (length < 0) { //flag for precompiled type reference on base types
-                       TypeReference ref = TypeReference.baseTypeReference(-length, dim);
-                       ref.sourceStart = intStack[intPtr--];
-                       if (dim == 0) {
-                               ref.sourceEnd = intStack[intPtr--];
-                       } else {
-                               intPtr--; // no need to use this position as it is an array
-                               ref.sourceEnd = endPosition;
-                       }
-                       if (reportReferenceInfo){
-                                       requestor.acceptTypeReference(ref.getTypeName(), ref.sourceStart, ref.sourceEnd);
-                       }
-                       return ref;
-               } else { //Qualified variable reference
-                       char[][] tokens = new char[length][];
-                       identifierPtr -= length;
-                       long[] positions = new long[length];
-                       System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
-                       System.arraycopy(
-                               identifierPositionStack, 
-                               identifierPtr + 1, 
-                               positions, 
-                               0, 
-                               length); 
-                       if (dim == 0) {
-                               QualifiedTypeReference ref = new QualifiedTypeReference(tokens, positions);
-                               if (reportReferenceInfo) {
-                                       requestor.acceptTypeReference(ref.tokens, ref.sourceStart, ref.sourceEnd);
-                               }
-                               return ref;
-                       } else {
-                               ArrayQualifiedTypeReference ref = 
-                                       new ArrayQualifiedTypeReference(tokens, dim, positions); 
-                               ref.sourceEnd = endPosition;                                    
-                               if (reportReferenceInfo) {
-                                       requestor.acceptTypeReference(ref.tokens, ref.sourceStart, ref.sourceEnd);
-                               }
-                               return ref;
-                       }
-               }
-       }
-}
-public NameReference getUnspecifiedReference() {
-       /* build a (unspecified) NameReference which may be qualified*/
-
-       int length;
-       if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
-               // single variable reference
-               SingleNameReference ref = 
-                       new SingleNameReference(
-                               identifierStack[identifierPtr], 
-                               identifierPositionStack[identifierPtr--]); 
-               if (reportReferenceInfo) {
-                       this.addUnknownRef(ref);
-               }
-               return ref;
-       } else {
-               //Qualified variable reference
-               char[][] tokens = new char[length][];
-               identifierPtr -= length;
-               System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
-               QualifiedNameReference ref = 
-                       new QualifiedNameReference(
-                               tokens, 
-                               (int) (identifierPositionStack[identifierPtr + 1] >> 32), // sourceStart
-                               (int) identifierPositionStack[identifierPtr + length]); // sourceEnd
-               if (reportReferenceInfo) {
-                       this.addUnknownRef(ref);
-               }
-               return ref;
-       }
-}
-public NameReference getUnspecifiedReferenceOptimized() {
-       /* build a (unspecified) NameReference which may be qualified
-       The optimization occurs for qualified reference while we are
-       certain in this case the last item of the qualified name is
-       a field access. This optimization is IMPORTANT while it results
-       that when a NameReference is build, the type checker should always
-       look for that it is not a type reference */
-
-       int length;
-       if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
-               // single variable reference
-               SingleNameReference ref = 
-                       new SingleNameReference(
-                               identifierStack[identifierPtr], 
-                               identifierPositionStack[identifierPtr--]); 
-               ref.bits &= ~AstNode.RestrictiveFlagMASK;
-               ref.bits |= LOCAL | FIELD;
-               if (reportReferenceInfo) {
-                       this.addUnknownRef(ref);
-               }
-               return ref;
-       }
-
-       //Qualified-variable-reference
-       //In fact it is variable-reference DOT field-ref , but it would result in a type
-       //conflict tha can be only reduce by making a superclass (or inetrface ) between
-       //nameReference and FiledReference or putting FieldReference under NameReference
-       //or else..........This optimisation is not really relevant so just leave as it is
-
-       char[][] tokens = new char[length][];
-       identifierPtr -= length;
-       System.arraycopy(identifierStack, identifierPtr + 1, tokens, 0, length);
-       QualifiedNameReference ref = 
-               new QualifiedNameReference(
-                       tokens, 
-                       (int) (identifierPositionStack[identifierPtr + 1] >> 32), 
-       // sourceStart
-        (int) identifierPositionStack[identifierPtr + length]); // sourceEnd
-       ref.bits &= ~AstNode.RestrictiveFlagMASK;
-       ref.bits |= LOCAL | FIELD;
-       if (reportReferenceInfo) {
-               this.addUnknownRef(ref);
-       }
-       return ref;
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-private boolean isLocalDeclaration() {
-       int nestedDepth = nestedType;
-       while (nestedDepth >= 0) {
-               if (nestedMethod[nestedDepth] != 0) {
-                       return true;
-               }
-               nestedDepth--;
-       }
-       return false;
-}
-/*
- * Update the bodyStart of the corresponding parse node
- */
-public void notifySourceElementRequestor(CompilationUnitDeclaration parsedUnit) {
-       if (parsedUnit == null) {
-               // when we parse a single type member declaration the compilation unit is null, but we still
-               // want to be able to notify the requestor on the created ast node
-               if (astStack[0] instanceof AbstractMethodDeclaration) {
-                       notifySourceElementRequestor((AbstractMethodDeclaration) astStack[0]);
-                       return;
-               }
-               return;
-       }
-       // range check
-       boolean isInRange = 
-                               scanner.initialPosition <= parsedUnit.sourceStart
-                               && scanner.eofPosition >= parsedUnit.sourceEnd;
-       
-       if (reportReferenceInfo) {
-               notifyAllUnknownReferences();
-       }
-       // collect the top level ast nodes
-       int length = 0;
-       AstNode[] nodes = null;
-       if (sourceType == null){
-               if (isInRange) {
-                       requestor.enterCompilationUnit();
-               }
-               ImportReference currentPackage = parsedUnit.currentPackage;
-               ImportReference[] imports = parsedUnit.imports;
-               TypeDeclaration[] types = parsedUnit.types;
-               length = 
-                       (currentPackage == null ? 0 : 1) 
-                       + (imports == null ? 0 : imports.length)
-                       + (types == null ? 0 : types.length);
-               nodes = new AstNode[length];
-               int index = 0;
-               if (currentPackage != null) {
-                       nodes[index++] = currentPackage;
-               }
-               if (imports != null) {
-                       for (int i = 0, max = imports.length; i < max; i++) {
-                               nodes[index++] = imports[i];
-                       }
-               }
-               if (types != null) {
-                       for (int i = 0, max = types.length; i < max; i++) {
-                               nodes[index++] = types[i];
-                       }
-               }
-       } else {
-               TypeDeclaration[] types = parsedUnit.types;
-               if (types != null) {
-                       length = types.length;
-                       nodes = new AstNode[length];
-                       for (int i = 0, max = types.length; i < max; i++) {
-                               nodes[i] = types[i];
-                       }
-               }
-       }
-       
-       // notify the nodes in the syntactical order
-       if (nodes != null && length > 0) {
-               quickSort(nodes, 0, length-1);
-               for (int i=0;i<length;i++) {
-                       AstNode node = nodes[i];
-                       if (node instanceof ImportReference) {
-                               ImportReference importRef = (ImportReference)node;
-                               if (node == parsedUnit.currentPackage) {
-                                       notifySourceElementRequestor(importRef, true);
-                               } else {
-                                       notifySourceElementRequestor(importRef, false);
-                               }
-                       } else { // instanceof TypeDeclaration
-                               notifySourceElementRequestor((TypeDeclaration)node, sourceType == null);
-                       }
-               }
-       }
-       
-       if (sourceType == null){
-               if (isInRange) {
-                       requestor.exitCompilationUnit(parsedUnit.sourceEnd);
-               }
-       }
-}
-
-private void notifyAllUnknownReferences() {
-       for (int i = 0, max = this.unknownRefsCounter; i < max; i++) {
-               NameReference nameRef = this.unknownRefs[i];
-               if ((nameRef.bits & BindingIds.VARIABLE) != 0) {
-                       if ((nameRef.bits & BindingIds.TYPE) == 0) { 
-                               // variable but not type
-                               if (nameRef instanceof SingleNameReference) { 
-                                       // local var or field
-                                       requestor.acceptUnknownReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
-                               } else {
-                                       // QualifiedNameReference
-                                       // The last token is a field reference and the previous tokens are a type/variable references
-                                       char[][] tokens = ((QualifiedNameReference) nameRef).tokens;
-                                       int tokensLength = tokens.length;
-                                       requestor.acceptFieldReference(tokens[tokensLength - 1], nameRef.sourceEnd - tokens[tokensLength - 1].length + 1);
-                                       char[][] typeRef = new char[tokensLength - 1][];
-                                       System.arraycopy(tokens, 0, typeRef, 0, tokensLength - 1);
-                                       requestor.acceptUnknownReference(typeRef, nameRef.sourceStart, nameRef.sourceEnd - tokens[tokensLength - 1].length);
-                               }
-                       } else {
-                               // variable or type
-                               if (nameRef instanceof SingleNameReference) {
-                                       requestor.acceptUnknownReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
-                               } else {
-                                       //QualifiedNameReference
-                                       requestor.acceptUnknownReference(((QualifiedNameReference) nameRef).tokens, nameRef.sourceStart, nameRef.sourceEnd);
-                               }
-                       }
-               } else if ((nameRef.bits & BindingIds.TYPE) != 0) {
-                       if (nameRef instanceof SingleNameReference) {
-                               requestor.acceptTypeReference(((SingleNameReference) nameRef).token, nameRef.sourceStart);
-                       } else {
-                               // it is a QualifiedNameReference
-                               requestor.acceptTypeReference(((QualifiedNameReference) nameRef).tokens, nameRef.sourceStart, nameRef.sourceEnd);
-                       }
-               }
-       }
-}
-/*
- * Update the bodyStart of the corresponding parse node
- */
-public void notifySourceElementRequestor(AbstractMethodDeclaration methodDeclaration) {
-
-       // range check
-       boolean isInRange = 
-                               scanner.initialPosition <= methodDeclaration.declarationSourceStart
-                               && scanner.eofPosition >= methodDeclaration.declarationSourceEnd;
-
-       if (methodDeclaration.isClinit()) {
-               this.visitIfNeeded(methodDeclaration);
-               return;
-       }
-
-       if (methodDeclaration.isDefaultConstructor()) {
-               if (reportReferenceInfo) {
-                       ConstructorDeclaration constructorDeclaration = (ConstructorDeclaration) methodDeclaration;
-                       ExplicitConstructorCall constructorCall = constructorDeclaration.constructorCall;
-                       if (constructorCall != null) {
-                               switch(constructorCall.accessMode) {
-                                       case ExplicitConstructorCall.This :
-                                               requestor.acceptConstructorReference(
-                                                       typeNames[nestedTypeIndex-1],
-                                                       constructorCall.arguments == null ? 0 : constructorCall.arguments.length, 
-                                                       constructorCall.sourceStart);
-                                               break;
-                                       case ExplicitConstructorCall.Super :
-                                       case ExplicitConstructorCall.ImplicitSuper :                                    
-                                               requestor.acceptConstructorReference(
-                                                       superTypeNames[nestedTypeIndex-1],
-                                                       constructorCall.arguments == null ? 0 : constructorCall.arguments.length, 
-                                                       constructorCall.sourceStart);
-                                               break;
-                               }
-                       }
-               }       
-               return; 
-       }       
-       char[][] argumentTypes = null;
-       char[][] argumentNames = null;
-       Argument[] arguments = methodDeclaration.arguments;
-       if (arguments != null) {
-               int argumentLength = arguments.length;
-               argumentTypes = new char[argumentLength][];
-               argumentNames = new char[argumentLength][];
-               for (int i = 0; i < argumentLength; i++) {
-                       argumentTypes[i] = returnTypeName(arguments[i].type);
-                       argumentNames[i] = arguments[i].name;
-               }
-       }
-       char[][] thrownExceptionTypes = null;
-       TypeReference[] thrownExceptions = methodDeclaration.thrownExceptions;
-       if (thrownExceptions != null) {
-               int thrownExceptionLength = thrownExceptions.length;
-               thrownExceptionTypes = new char[thrownExceptionLength][];
-               for (int i = 0; i < thrownExceptionLength; i++) {
-                       thrownExceptionTypes[i] = 
-                               CharOperation.concatWith(thrownExceptions[i].getTypeName(), '.'); 
-               }
-       }
-       // by default no selector end position
-       int selectorSourceEnd = -1;
-       if (methodDeclaration.isConstructor()) {
-               if (methodDeclaration instanceof SourceConstructorDeclaration) {
-                       selectorSourceEnd = 
-                               ((SourceConstructorDeclaration) methodDeclaration).selectorSourceEnd; 
-               }
-               if (isInRange){
-                       requestor.enterConstructor(
-                               methodDeclaration.declarationSourceStart, 
-                               methodDeclaration.modifiers, 
-                               methodDeclaration.selector, 
-                               methodDeclaration.sourceStart, 
-                               selectorSourceEnd, 
-                               argumentTypes, 
-                               argumentNames, 
-                               thrownExceptionTypes);
-               }
-               if (reportReferenceInfo) {
-                       ConstructorDeclaration constructorDeclaration = (ConstructorDeclaration) methodDeclaration;
-                       ExplicitConstructorCall constructorCall = constructorDeclaration.constructorCall;
-                       if (constructorCall != null) {
-                               switch(constructorCall.accessMode) {
-                                       case ExplicitConstructorCall.This :
-                                               requestor.acceptConstructorReference(
-                                                       typeNames[nestedTypeIndex-1],
-                                                       constructorCall.arguments == null ? 0 : constructorCall.arguments.length, 
-                                                       constructorCall.sourceStart);
-                                               break;
-                                       case ExplicitConstructorCall.Super :
-                                       case ExplicitConstructorCall.ImplicitSuper :
-                                               requestor.acceptConstructorReference(
-                                                       superTypeNames[nestedTypeIndex-1],
-                                                       constructorCall.arguments == null ? 0 : constructorCall.arguments.length, 
-                                                       constructorCall.sourceStart);
-                                               break;
-                               }
-                       }
-               }
-               this.visitIfNeeded(methodDeclaration);
-               if (isInRange){
-                       requestor.exitConstructor(methodDeclaration.declarationSourceEnd);
-               }
-               return;
-       }
-       if (methodDeclaration instanceof SourceMethodDeclaration) {
-               selectorSourceEnd = 
-                       ((SourceMethodDeclaration) methodDeclaration).selectorSourceEnd; 
-       }
-       if (isInRange){
-               requestor.enterMethod(
-                       methodDeclaration.declarationSourceStart, 
-                       methodDeclaration.modifiers & AccJustFlag, 
-                       returnTypeName(((MethodDeclaration) methodDeclaration).returnType), 
-                       methodDeclaration.selector, 
-                       methodDeclaration.sourceStart, 
-                       selectorSourceEnd, 
-                       argumentTypes, 
-                       argumentNames, 
-                       thrownExceptionTypes); 
-       }               
-       this.visitIfNeeded(methodDeclaration);
-
-       if (isInRange){ 
-               requestor.exitMethod(methodDeclaration.declarationSourceEnd);
-       }
-}
-/*
-* Update the bodyStart of the corresponding parse node
-*/
-public void notifySourceElementRequestor(FieldDeclaration fieldDeclaration) {
-       
-       // range check
-       boolean isInRange = 
-                               scanner.initialPosition <= fieldDeclaration.declarationSourceStart
-                               && scanner.eofPosition >= fieldDeclaration.declarationSourceEnd;
-
-       if (fieldDeclaration.isField()) {
-               int fieldEndPosition = fieldDeclaration.declarationSourceEnd;
-               if (fieldDeclaration instanceof SourceFieldDeclaration) {
-                       fieldEndPosition = ((SourceFieldDeclaration) fieldDeclaration).fieldEndPosition;
-                       if (fieldEndPosition == 0) {
-                               // use the declaration source end by default
-                               fieldEndPosition = fieldDeclaration.declarationSourceEnd;
-                       }
-               }
-               if (isInRange) {
-                       requestor.enterField(
-                               fieldDeclaration.declarationSourceStart, 
-                               fieldDeclaration.modifiers & AccJustFlag, 
-                               returnTypeName(fieldDeclaration.type), 
-                               fieldDeclaration.name, 
-                               fieldDeclaration.sourceStart, 
-                               fieldDeclaration.sourceEnd); 
-               }
-               this.visitIfNeeded(fieldDeclaration);
-               if (isInRange){
-                       requestor.exitField(fieldEndPosition);
-               }
-
-       } else {
-               if (isInRange){
-                       requestor.enterInitializer(
-                               fieldDeclaration.declarationSourceStart,
-                               fieldDeclaration.modifiers); 
-               }
-               this.visitIfNeeded((Initializer)fieldDeclaration);
-               if (isInRange){
-                       requestor.exitInitializer(fieldDeclaration.declarationSourceEnd);
-               }
-       }
-}
-public void notifySourceElementRequestor(
-       ImportReference importReference, 
-       boolean isPackage) {
-       if (isPackage) {
-               requestor.acceptPackage(
-                       importReference.declarationSourceStart, 
-                       importReference.declarationSourceEnd, 
-                       CharOperation.concatWith(importReference.getImportName(), '.')); 
-       } else {
-               requestor.acceptImport(
-                       importReference.declarationSourceStart, 
-                       importReference.declarationSourceEnd, 
-                       CharOperation.concatWith(importReference.getImportName(), '.'), 
-                       importReference.onDemand); 
-       }
-}
-public void notifySourceElementRequestor(TypeDeclaration typeDeclaration, boolean notifyTypePresence) {
-       
-       // range check
-       boolean isInRange = 
-                               scanner.initialPosition <= typeDeclaration.declarationSourceStart
-                               && scanner.eofPosition >= typeDeclaration.declarationSourceEnd;
-       
-       FieldDeclaration[] fields = typeDeclaration.fields;
-       AbstractMethodDeclaration[] methods = typeDeclaration.methods;
-       MemberTypeDeclaration[] memberTypes = typeDeclaration.memberTypes;
-       int fieldCount = fields == null ? 0 : fields.length;
-       int methodCount = methods == null ? 0 : methods.length;
-       int memberTypeCount = memberTypes == null ? 0 : memberTypes.length;
-       int fieldIndex = 0;
-       int methodIndex = 0;
-       int memberTypeIndex = 0;
-       boolean isInterface = typeDeclaration.isInterface();
-
-       if (notifyTypePresence){
-               char[][] interfaceNames = null;
-               int superInterfacesLength = 0;
-               TypeReference[] superInterfaces = typeDeclaration.superInterfaces;
-               if (superInterfaces != null) {
-                       superInterfacesLength = superInterfaces.length;
-                       interfaceNames = new char[superInterfacesLength][];
-               } else {
-                       if (typeDeclaration instanceof AnonymousLocalTypeDeclaration) {
-                               // see PR 3442
-                               QualifiedAllocationExpression alloc = ((AnonymousLocalTypeDeclaration)typeDeclaration).allocation;
-                               if (alloc != null && alloc.type != null) {
-                                       superInterfaces = new TypeReference[] { ((AnonymousLocalTypeDeclaration)typeDeclaration).allocation.type};
-                                       superInterfacesLength = 1;
-                                       interfaceNames = new char[1][];
-                               }
-                       }
-               }
-               if (superInterfaces != null) {
-                       for (int i = 0; i < superInterfacesLength; i++) {
-                               interfaceNames[i] = 
-                                       CharOperation.concatWith(superInterfaces[i].getTypeName(), '.'); 
-                       }
-               }
-               if (isInterface) {
-                       if (isInRange){
-                               requestor.enterInterface(
-                                       typeDeclaration.declarationSourceStart, 
-                                       typeDeclaration.modifiers & AccJustFlag, 
-                                       typeDeclaration.name, 
-                                       typeDeclaration.sourceStart, 
-                                       typeDeclaration.sourceEnd, 
-                                       interfaceNames);
-                       }
-                       if (nestedTypeIndex == typeNames.length) {
-                               // need a resize
-                               System.arraycopy(typeNames, 0, (typeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
-                               System.arraycopy(superTypeNames, 0, (superTypeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
-                       }
-                       typeNames[nestedTypeIndex] = typeDeclaration.name;
-                       superTypeNames[nestedTypeIndex++] = JAVA_LANG_OBJECT;
-               } else {
-                       TypeReference superclass = typeDeclaration.superclass;
-                       if (superclass == null) {
-                               if (isInRange){
-                                       requestor.enterClass(
-                                               typeDeclaration.declarationSourceStart, 
-                                               typeDeclaration.modifiers, 
-                                               typeDeclaration.name, 
-                                               typeDeclaration.sourceStart, 
-                                               typeDeclaration.sourceEnd, 
-                                               null, 
-                                               interfaceNames); 
-                               }
-                       } else {
-                               if (isInRange){
-                                       requestor.enterClass(
-                                               typeDeclaration.declarationSourceStart, 
-                                               typeDeclaration.modifiers, 
-                                               typeDeclaration.name, 
-                                               typeDeclaration.sourceStart, 
-                                               typeDeclaration.sourceEnd, 
-                                               CharOperation.concatWith(superclass.getTypeName(), '.'), 
-                                               interfaceNames); 
-                               }
-                       }
-                       if (nestedTypeIndex == typeNames.length) {
-                               // need a resize
-                               System.arraycopy(typeNames, 0, (typeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
-                               System.arraycopy(superTypeNames, 0, (superTypeNames = new char[nestedTypeIndex * 2][]), 0, nestedTypeIndex);
-                       }
-                       typeNames[nestedTypeIndex] = typeDeclaration.name;
-                       superTypeNames[nestedTypeIndex++] = superclass == null ? JAVA_LANG_OBJECT : CharOperation.concatWith(superclass.getTypeName(), '.');
-               }
-       }
-       while ((fieldIndex < fieldCount)
-               || (memberTypeIndex < memberTypeCount)
-               || (methodIndex < methodCount)) {
-               FieldDeclaration nextFieldDeclaration = null;
-               AbstractMethodDeclaration nextMethodDeclaration = null;
-               TypeDeclaration nextMemberDeclaration = null;
-
-               int position = Integer.MAX_VALUE;
-               int nextDeclarationType = -1;
-               if (fieldIndex < fieldCount) {
-                       nextFieldDeclaration = fields[fieldIndex];
-                       if (nextFieldDeclaration.declarationSourceStart < position) {
-                               position = nextFieldDeclaration.declarationSourceStart;
-                               nextDeclarationType = 0; // FIELD
-                       }
-               }
-               if (methodIndex < methodCount) {
-                       nextMethodDeclaration = methods[methodIndex];
-                       if (nextMethodDeclaration.declarationSourceStart < position) {
-                               position = nextMethodDeclaration.declarationSourceStart;
-                               nextDeclarationType = 1; // METHOD
-                       }
-               }
-               if (memberTypeIndex < memberTypeCount) {
-                       nextMemberDeclaration = memberTypes[memberTypeIndex];
-                       if (nextMemberDeclaration.declarationSourceStart < position) {
-                               position = nextMemberDeclaration.declarationSourceStart;
-                               nextDeclarationType = 2; // MEMBER
-                       }
-               }
-               switch (nextDeclarationType) {
-                       case 0 :
-                               fieldIndex++;
-                               notifySourceElementRequestor(nextFieldDeclaration);
-                               break;
-                       case 1 :
-                               methodIndex++;
-                               notifySourceElementRequestor(nextMethodDeclaration);
-                               break;
-                       case 2 :
-                               memberTypeIndex++;
-                               notifySourceElementRequestor(nextMemberDeclaration, true);
-               }
-       }
-       if (notifyTypePresence){
-               if (isInRange){
-                       if (isInterface) {
-                               requestor.exitInterface(typeDeclaration.declarationSourceEnd);
-                       } else {
-                               requestor.exitClass(typeDeclaration.declarationSourceEnd);
-                       }
-               }
-               nestedTypeIndex--;
-       }
-}
-public void parseCompilationUnit(
-       ICompilationUnit unit, 
-       int start, 
-       int end, 
-       boolean needReferenceInfo) {
-
-       reportReferenceInfo = needReferenceInfo;
-       boolean old = diet;
-       if (needReferenceInfo) {
-               unknownRefs = new NameReference[10];
-               unknownRefsCounter = 0;
-       }
-       try {
-               diet = true;
-               CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0, this.options.maxProblemsPerUnit);
-               CompilationUnitDeclaration parsedUnit = parse(unit, compilationUnitResult, start, end);
-               if (needReferenceInfo){
-                       diet = false;
-                       this.getMethodBodies(parsedUnit);
-               }               
-               this.scanner.resetTo(start, end);
-               notifySourceElementRequestor(parsedUnit);
-       } catch (AbortCompilation e) {
-       } finally {
-               if (scanner.recordLineSeparator) {
-                       requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
-               }
-               diet = old;
-       }
-}
-public void parseCompilationUnit(
-       ICompilationUnit unit, 
-       boolean needReferenceInfo) {
-       boolean old = diet;
-       if (needReferenceInfo) {
-               unknownRefs = new NameReference[10];
-               unknownRefsCounter = 0;
-       }
-               
-       try {
-/*             diet = !needReferenceInfo;
-               reportReferenceInfo = needReferenceInfo;
-               CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0);
-               parse(unit, compilationUnitResult);             
-*/             diet = true;
-               reportReferenceInfo = needReferenceInfo;
-               CompilationResult compilationUnitResult = new CompilationResult(unit, 0, 0, this.options.maxProblemsPerUnit);
-               CompilationUnitDeclaration parsedUnit = parse(unit, compilationUnitResult);
-               int initialStart = this.scanner.initialPosition;
-               int initialEnd = this.scanner.eofPosition;
-               if (needReferenceInfo){
-                       diet = false;
-                       this.getMethodBodies(parsedUnit);
-               }
-               this.scanner.resetTo(initialStart, initialEnd);
-               notifySourceElementRequestor(parsedUnit);
-       } catch (AbortCompilation e) {
-       } finally {
-               if (scanner.recordLineSeparator) {
-                       requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
-               }
-               diet = old;
-       }
-}
-public void parseTypeMemberDeclarations(
-       ISourceType sourceType, 
-       ICompilationUnit sourceUnit, 
-       int start, 
-       int end, 
-       boolean needReferenceInfo) {
-       boolean old = diet;
-       if (needReferenceInfo) {
-               unknownRefs = new NameReference[10];
-               unknownRefsCounter = 0;
-       }
-       
-       try {
-               diet = !needReferenceInfo;
-               reportReferenceInfo = needReferenceInfo;
-               CompilationResult compilationUnitResult = 
-                       new CompilationResult(sourceUnit, 0, 0, this.options.maxProblemsPerUnit); 
-               CompilationUnitDeclaration unit = 
-                       SourceTypeConverter.buildCompilationUnit(
-                               new ISourceType[]{sourceType}, 
-                               false,
-                               false, 
-                               problemReporter(), 
-                               compilationUnitResult); 
-               if ((unit == null) || (unit.types == null) || (unit.types.length != 1))
-                       return;
-               this.sourceType = sourceType;
-               try {
-                       /* automaton initialization */
-                       initialize();
-                       goForClassBodyDeclarations();
-                       /* scanner initialization */
-                       scanner.setSource(sourceUnit.getContents());
-                       scanner.resetTo(start, end);
-                       /* unit creation */
-                       referenceContext = compilationUnit = unit;
-                       /* initialize the astStacl */
-                       // the compilationUnitDeclaration should contain exactly one type
-                       pushOnAstStack(unit.types[0]);
-                       /* run automaton */
-                       parse();
-                       notifySourceElementRequestor(unit);
-               } finally {
-                       unit = compilationUnit;
-                       compilationUnit = null; // reset parser
-               }
-       } catch (AbortCompilation e) {
-       } finally {
-               if (scanner.recordLineSeparator) {
-                       requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
-               }
-               diet = old;
-       }
-}
-
-public void parseTypeMemberDeclarations(
-       char[] contents, 
-       int start, 
-       int end) {
-
-       boolean old = diet;
-       
-       try {
-               diet = true;
-
-               /* automaton initialization */
-               initialize();
-               goForClassBodyDeclarations();
-               /* scanner initialization */
-               scanner.setSource(contents);
-               scanner.recordLineSeparator = false;
-               scanner.resetTo(start, end);
-
-               /* unit creation */
-               referenceContext = null;
-
-               /* initialize the astStacl */
-               // the compilationUnitDeclaration should contain exactly one type
-               /* run automaton */
-               parse();
-               notifySourceElementRequestor((CompilationUnitDeclaration)null);
-       } catch (AbortCompilation e) {
-       } finally {
-               diet = old;
-       }
-}
-/**
- * Sort the given ast nodes by their positions.
- */
-private static void quickSort(AstNode[] sortedCollection, int left, int right) {
-       int original_left = left;
-       int original_right = right;
-       AstNode mid = sortedCollection[ (left + right) / 2];
-       do {
-               while (sortedCollection[left].sourceStart < mid.sourceStart) {
-                       left++;
-               }
-               while (mid.sourceStart < sortedCollection[right].sourceStart) {
-                       right--;
-               }
-               if (left <= right) {
-                       AstNode tmp = sortedCollection[left];
-                       sortedCollection[left] = sortedCollection[right];
-                       sortedCollection[right] = tmp;
-                       left++;
-                       right--;
-               }
-       } while (left <= right);
-       if (original_left < right) {
-               quickSort(sortedCollection, original_left, right);
-       }
-       if (left < original_right) {
-               quickSort(sortedCollection, left, original_right);
-       }
-}
-/*
- * Answer a char array representation of the type name formatted like:
- * - type name + dimensions
- * Example:
- * "A[][]".toCharArray()
- * "java.lang.String".toCharArray()
- */
-private char[] returnTypeName(TypeReference type) {
-       if (type == null)
-               return null;
-       int dimension = type.dimensions();
-       if (dimension != 0) {
-               char[] dimensionsArray = new char[dimension * 2];
-               for (int i = 0; i < dimension; i++) {
-                       dimensionsArray[i * 2] = '[';
-                       dimensionsArray[(i * 2) + 1] = ']';
-               }
-               return CharOperation.concat(
-                       CharOperation.concatWith(type.getTypeName(), '.'), 
-                       dimensionsArray); 
-       }
-       return CharOperation.concatWith(type.getTypeName(), '.');
-}
-
-public void addUnknownRef(NameReference nameRef) {
-       if (this.unknownRefs.length == this.unknownRefsCounter) {
-               // resize
-               System.arraycopy(
-                       this.unknownRefs,
-                       0,
-                       (this.unknownRefs = new NameReference[this.unknownRefsCounter * 2]),
-                       0,
-                       this.unknownRefsCounter);
-       }
-       this.unknownRefs[this.unknownRefsCounter++] = nameRef;
-}
-private TypeReference typeReference(
-       int dim, 
-       int localIdentifierPtr, 
-       int localIdentifierLengthPtr) {
-       /* build a Reference on a variable that may be qualified or not
-        * This variable is a type reference and dim will be its dimensions.
-        * We don't have any side effect on the stacks' pointers.
-        */
-
-       int length;
-       TypeReference ref;
-       if ((length = identifierLengthStack[localIdentifierLengthPtr]) == 1) {
-               // single variable reference
-               if (dim == 0) {
-                       ref = 
-                               new SingleTypeReference(
-                                       identifierStack[localIdentifierPtr], 
-                                       identifierPositionStack[localIdentifierPtr--]); 
-               } else {
-                       ref = 
-                               new ArrayTypeReference(
-                                       identifierStack[localIdentifierPtr], 
-                                       dim, 
-                                       identifierPositionStack[localIdentifierPtr--]);
-                       ref.sourceEnd = endPosition;                     
-               }
-       } else {
-               if (length < 0) { //flag for precompiled type reference on base types
-                       ref = TypeReference.baseTypeReference(-length, dim);
-                       ref.sourceStart = intStack[localIntPtr--];
-                       if (dim == 0) {
-                               ref.sourceEnd = intStack[localIntPtr--];
-                       } else {
-                               localIntPtr--;
-                               ref.sourceEnd = endPosition;
-                       }       
-               } else { //Qualified variable reference
-                       char[][] tokens = new char[length][];
-                       localIdentifierPtr -= length;
-                       long[] positions = new long[length];
-                       System.arraycopy(identifierStack, localIdentifierPtr + 1, tokens, 0, length);
-                       System.arraycopy(
-                               identifierPositionStack, 
-                               localIdentifierPtr + 1, 
-                               positions, 
-                               0, 
-                               length); 
-                       if (dim == 0)  {
-                               ref = new QualifiedTypeReference(tokens, positions);
-                       } else {
-                               ref = new ArrayQualifiedTypeReference(tokens, dim, positions);
-                               ref.sourceEnd = endPosition;
-                       }
-               }
-       };
-       return ref;
-}
-
-private void visitIfNeeded(AbstractMethodDeclaration method) {
-       if (this.localDeclarationVisitor != null 
-               && (method.bits & AstNode.HasLocalTypeMASK) != 0) {
-                       if (method.statements != null) {
-                               int statementsLength = method.statements.length;
-                               for (int i = 0; i < statementsLength; i++)
-                                       method.statements[i].traverse(this.localDeclarationVisitor, method.scope);
-                       }
-       }
-}
-
-private void visitIfNeeded(FieldDeclaration field) {
-       if (this.localDeclarationVisitor != null 
-               && (field.bits & AstNode.HasLocalTypeMASK) != 0) {
-                       if (field.initialization != null) {
-                               field.initialization.traverse(this.localDeclarationVisitor, null);
-                       }
-       }
-}
-
-private void visitIfNeeded(Initializer initializer) {
-       if (this.localDeclarationVisitor != null 
-               && (initializer.bits & AstNode.HasLocalTypeMASK) != 0) {
-                       if (initializer.block != null) {
-                               initializer.block.traverse(this.localDeclarationVisitor, null);
-                       }
-       }
-}
-
-protected void reportSyntaxError(int act, int currentKind, int stateStackTop) {
-       if (compilationUnit == null) return;
-       super.reportSyntaxError(act, currentKind,stateStackTop);
-}
-
-}