Rewritten Parser/Scanner to package net.sourceforge.phpdt.internal.compiler.parser
[phpeclipse.git] / net.sourceforge.phpeclipse / src / net / sourceforge / phpdt / internal / compiler / DocumentElementParser.java
diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/DocumentElementParser.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpdt/internal/compiler/DocumentElementParser.java
deleted file mode 100644 (file)
index 284fcc7..0000000
+++ /dev/null
@@ -1,1344 +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 document element parser extracts structural information
- * from a piece of source, providing detailed source positions info.
- *
- * also see @IDocumentElementRequestor
- *
- * The structural investigation includes:
- * - the package statement
- * - import statements
- * - top-level types: package member, member types (member types of member types...)
- * - fields
- * - methods
- *
- * Any (parsing) problem encountered is also provided.
- */
-import net.sourceforge.phpdt.core.compiler.IProblem;
-import net.sourceforge.phpdt.internal.compiler.ast.AbstractVariableDeclaration;
-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.CompilationUnitDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.ConstructorDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.FieldDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.ImportReference;
-import net.sourceforge.phpdt.internal.compiler.ast.Initializer;
-import net.sourceforge.phpdt.internal.compiler.ast.LocalDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.LocalTypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.MemberTypeDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.MethodDeclaration;
-import net.sourceforge.phpdt.internal.compiler.ast.QualifiedTypeReference;
-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.impl.CompilerOptions;
-import net.sourceforge.phpdt.internal.compiler.parser.Parser;
-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 DocumentElementParser extends Parser {
-       IDocumentElementRequestor requestor;
-       private int localIntPtr;
-       private int lastFieldEndPosition;
-       private int lastFieldBodyEndPosition;   
-       private int typeStartPosition;
-       private long selectorSourcePositions;
-       private int typeDims;
-       private int extendsDim;
-       private int declarationSourceStart;
-
-       /* int[] stack for storing javadoc positions */
-       int[][] intArrayStack;
-       int intArrayPtr;
-       
-       CompilerOptions options;
-       
-public DocumentElementParser(
-       final IDocumentElementRequestor requestor, 
-       IProblemFactory problemFactory,
-       CompilerOptions options) {
-       super(new ProblemReporter(
-               DefaultErrorHandlingPolicies.exitAfterAllProblems(), 
-               options, 
-               problemFactory) {
-               public void record(IProblem problem, CompilationResult unitResult) {
-                       requestor.acceptProblem(problem);
-               }
-       },
-       false,
-       options.assertMode);
-       this.requestor = requestor;
-       intArrayStack = new int[30][];
-       this.options = options;
-}
-
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void adjustInterfaceModifiers() {
-       intStack[intPtr - 2] |= AccInterface;
-}
-/*
- * Will clear the comment stack when looking
- * for a potential JavaDoc which might contain @deprecated.
- *
- * Additionally, before investigating for @deprecated, retrieve the positions
- * of the JavaDoc comments so as to notify requestor with them.
- */
-public void checkAnnotation() {
-
-       /* persisting javadoc positions */
-       pushOnIntArrayStack(this.getJavaDocPositions());
-       boolean deprecated = false;
-       int lastAnnotationIndex = -1;
-
-       //since jdk1.2 look only in the last java doc comment...
-       found : {
-               if ((lastAnnotationIndex = scanner.commentPtr) >= 0) { //look for @deprecated
-                       scanner.commentPtr = -1;
-                       // reset the comment stack, since not necessary after having checked
-                       int commentSourceStart = scanner.commentStarts[lastAnnotationIndex];
-                       // javadoc only (non javadoc comment have negative end positions.)
-                       int commentSourceEnd = scanner.commentStops[lastAnnotationIndex] - 1;
-                       //stop is one over
-                       char[] comment = scanner.source;
-
-                       for (int i = commentSourceStart + 3; i < commentSourceEnd - 10; i++) {
-                               if ((comment[i] == '@')
-                                       && (comment[i + 1] == 'd')
-                                       && (comment[i + 2] == 'e')
-                                       && (comment[i + 3] == 'p')
-                                       && (comment[i + 4] == 'r')
-                                       && (comment[i + 5] == 'e')
-                                       && (comment[i + 6] == 'c')
-                                       && (comment[i + 7] == 'a')
-                                       && (comment[i + 8] == 't')
-                                       && (comment[i + 9] == 'e')
-                                       && (comment[i + 10] == 'd')) {
-                                       // ensure the tag is properly ended: either followed by a space, line end or asterisk.
-                                       int nextPos = i + 11;
-                                       deprecated = 
-                                               (comment[nextPos] == ' ')
-                                                       || (comment[nextPos] == '\n')
-                                                       || (comment[nextPos] == '\r')
-                                                       || (comment[nextPos] == '*'); 
-                                       break found;
-                               }
-                       }
-               }
-       }
-       if (deprecated) {
-               checkAndSetModifiers(AccDeprecated);
-       }
-       // modify the modifier source start to point at the first comment
-       if (lastAnnotationIndex >= 0) {
-               declarationSourceStart = scanner.commentStarts[0];
-       }
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeClassBodyDeclaration() {
-       // ClassBodyDeclaration ::= Diet Block
-       //push an Initializer
-       //optimize the push/pop
-
-       super.consumeClassBodyDeclaration();
-       Initializer initializer = (Initializer) astStack[astPtr];
-       requestor.acceptInitializer(
-               initializer.declarationSourceStart,
-               initializer.declarationSourceEnd,
-               intArrayStack[intArrayPtr--], 
-               0,
-               modifiersSourceStart, 
-               initializer.block.sourceStart,
-               initializer.block.sourceEnd);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeClassDeclaration() {
-       super.consumeClassDeclaration();
-       // we know that we have a TypeDeclaration on the top of the astStack
-       if (isLocalDeclaration()) {
-               // we ignore the local variable declarations
-               return;
-       }
-       requestor.exitClass(endStatementPosition, // '}' is the end of the body 
-        ((TypeDeclaration) astStack[astPtr]).declarationSourceEnd);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeClassHeader() {
-       //ClassHeader ::= $empty
-       super.consumeClassHeader();
-       if (isLocalDeclaration()) {
-               // we ignore the local variable declarations
-               intArrayPtr--;
-               return;
-       }
-       TypeDeclaration typeDecl = (TypeDeclaration) astStack[astPtr];
-       TypeReference[] superInterfaces = typeDecl.superInterfaces;
-       char[][] interfaceNames = null;
-       int[] interfaceNameStarts = null;
-       int[] interfaceNameEnds = null;
-       if (superInterfaces != null) {
-               int superInterfacesLength = superInterfaces.length;
-               interfaceNames = new char[superInterfacesLength][];
-               interfaceNameStarts = new int[superInterfacesLength];
-               interfaceNameEnds = new int[superInterfacesLength];
-               for (int i = 0; i < superInterfacesLength; i++) {
-                       TypeReference superInterface = superInterfaces[i];
-                       interfaceNames[i] = CharOperation.concatWith(superInterface.getTypeName(), '.'); 
-                       interfaceNameStarts[i] = superInterface.sourceStart;
-                       interfaceNameEnds[i] = superInterface.sourceEnd;
-               }
-       }
-       // flush the comments related to the class header
-       scanner.commentPtr = -1;
-       TypeReference superclass = typeDecl.superclass;
-       if (superclass == null) {
-               requestor.enterClass(
-                       typeDecl.declarationSourceStart, 
-                       intArrayStack[intArrayPtr--], 
-                       typeDecl.modifiers, 
-                       typeDecl.modifiersSourceStart, 
-                       typeStartPosition, 
-                       typeDecl.name, 
-                       typeDecl.sourceStart, 
-                       typeDecl.sourceEnd, 
-                       null, 
-                       -1, 
-                       -1, 
-                       interfaceNames, 
-                       interfaceNameStarts, 
-                       interfaceNameEnds, 
-                       scanner.currentPosition - 1); 
-       } else {
-               requestor.enterClass(
-                       typeDecl.declarationSourceStart, 
-                       intArrayStack[intArrayPtr--], 
-                       typeDecl.modifiers, 
-                       typeDecl.modifiersSourceStart, 
-                       typeStartPosition, 
-                       typeDecl.name, 
-                       typeDecl.sourceStart, 
-                       typeDecl.sourceEnd, 
-                       CharOperation.concatWith(superclass.getTypeName(), '.'), 
-                       superclass.sourceStart, 
-                       superclass.sourceEnd, 
-                       interfaceNames, 
-                       interfaceNameStarts, 
-                       interfaceNameEnds, 
-                       scanner.currentPosition - 1); 
-
-       }
-}
-protected void consumeClassHeaderName() {
-       // ClassHeaderName ::= Modifiersopt 'class' 'Identifier'
-       TypeDeclaration typeDecl;
-       if (nestedMethod[nestedType] == 0) {
-               if (nestedType != 0) {
-                       typeDecl = new MemberTypeDeclaration(this.compilationUnit.compilationResult);
-               } else {
-                       typeDecl = new TypeDeclaration(this.compilationUnit.compilationResult);
-               }
-       } else {
-               // Record that the block has a declaration for local types
-               typeDecl = new LocalTypeDeclaration(this.compilationUnit.compilationResult);
-               markCurrentMethodWithLocalType();
-               blockReal();
-       }
-
-       //highlight the name of the type
-       long pos = identifierPositionStack[identifierPtr];
-       typeDecl.sourceEnd = (int) pos;
-       typeDecl.sourceStart = (int) (pos >>> 32);
-       typeDecl.name = identifierStack[identifierPtr--];
-       identifierLengthPtr--;
-
-       //compute the declaration source too
-       // 'class' and 'interface' push an int position
-       typeStartPosition = typeDecl.declarationSourceStart = intStack[intPtr--];
-       intPtr--;
-       int declarationSourceStart = intStack[intPtr--];
-       typeDecl.modifiersSourceStart = intStack[intPtr--];
-       typeDecl.modifiers = intStack[intPtr--];
-       if (typeDecl.declarationSourceStart > declarationSourceStart) {
-               typeDecl.declarationSourceStart = declarationSourceStart;
-       }
-       typeDecl.bodyStart = typeDecl.sourceEnd + 1;
-       pushOnAstStack(typeDecl);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeCompilationUnit() {
-       // CompilationUnit ::= EnterCompilationUnit PackageDeclarationopt ImportDeclarationsopt
-       requestor.exitCompilationUnit(scanner.source.length - 1);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeConstructorDeclaration() {
-       // ConstructorDeclaration ::= ConstructorHeader ConstructorBody
-       super.consumeConstructorDeclaration();
-       if (isLocalDeclaration()) {
-               // we ignore the local variable declarations
-               return;
-       }
-       ConstructorDeclaration cd = (ConstructorDeclaration) astStack[astPtr];
-       requestor.exitConstructor(endStatementPosition, cd.declarationSourceEnd);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeConstructorHeader() {
-       // ConstructorHeader ::= ConstructorHeaderName MethodHeaderParameters MethodHeaderThrowsClauseopt
-       super.consumeConstructorHeader();
-       if (isLocalDeclaration()) {
-               // we ignore the local variable declarations
-               intArrayPtr--;
-               return;
-       }
-       ConstructorDeclaration cd = (ConstructorDeclaration) astStack[astPtr];
-       Argument[] arguments = cd.arguments;
-       char[][] argumentTypes = null;
-       char[][] argumentNames = null;
-       int[] argumentTypeStarts = null;
-       int[] argumentTypeEnds = null;
-       int[] argumentNameStarts = null;
-       int[] argumentNameEnds = null;
-       if (arguments != null) {
-               int argumentLength = arguments.length;
-               argumentTypes = new char[argumentLength][];
-               argumentNames = new char[argumentLength][];
-               argumentNameStarts = new int[argumentLength];
-               argumentNameEnds = new int[argumentLength];
-               argumentTypeStarts = new int[argumentLength];
-               argumentTypeEnds = new int[argumentLength];
-               for (int i = 0; i < argumentLength; i++) {
-                       Argument argument = arguments[i];
-                       TypeReference argumentType = argument.type;
-                       argumentTypes[i] = returnTypeName(argumentType);
-                       argumentNames[i] = argument.name;
-                       argumentNameStarts[i] = argument.sourceStart;
-                       argumentNameEnds[i] = argument.sourceEnd;
-                       argumentTypeStarts[i] = argumentType.sourceStart;
-                       argumentTypeEnds[i] = argumentType.sourceEnd;
-               }
-       }
-       TypeReference[] thrownExceptions = cd.thrownExceptions;
-       char[][] exceptionTypes = null;
-       int[] exceptionTypeStarts = null;
-       int[] exceptionTypeEnds = null;
-       if (thrownExceptions != null) {
-               int thrownExceptionLength = thrownExceptions.length;
-               exceptionTypes = new char[thrownExceptionLength][];
-               exceptionTypeStarts = new int[thrownExceptionLength];
-               exceptionTypeEnds = new int[thrownExceptionLength];
-               for (int i = 0; i < thrownExceptionLength; i++) {
-                       TypeReference exception = thrownExceptions[i];
-                       exceptionTypes[i] = CharOperation.concatWith(exception.getTypeName(), '.');
-                       exceptionTypeStarts[i] = exception.sourceStart;
-                       exceptionTypeEnds[i] = exception.sourceEnd;
-               }
-       }
-       requestor
-               .enterConstructor(
-                       cd.declarationSourceStart, 
-                       intArrayStack[intArrayPtr--], 
-                       cd.modifiers,
-                       cd.modifiersSourceStart, 
-                       cd.selector, 
-                       cd.sourceStart, 
-                       (int) (selectorSourcePositions & 0xFFFFFFFFL), 
-                       // retrieve the source end of the name
-                       argumentTypes, 
-                       argumentTypeStarts, 
-                       argumentTypeEnds, 
-                       argumentNames, 
-                       argumentNameStarts, 
-                       argumentNameEnds, 
-                       rParenPos, 
-                       // right parenthesis
-                       exceptionTypes, 
-                       exceptionTypeStarts, 
-                       exceptionTypeEnds, 
-                       scanner.currentPosition - 1); 
-}
-protected void consumeConstructorHeaderName() {
-       // ConstructorHeaderName ::=  Modifiersopt 'Identifier' '('
-       ConstructorDeclaration cd = new ConstructorDeclaration(this.compilationUnit.compilationResult);
-
-       //name -- this is not really revelant but we do .....
-       cd.selector = identifierStack[identifierPtr];
-       selectorSourcePositions = identifierPositionStack[identifierPtr--];
-       identifierLengthPtr--;
-
-       //modifiers
-       cd.declarationSourceStart = intStack[intPtr--];
-       cd.modifiersSourceStart = intStack[intPtr--];
-       cd.modifiers = intStack[intPtr--];
-
-       //highlight starts at the selector starts
-       cd.sourceStart = (int) (selectorSourcePositions >>> 32);
-       pushOnAstStack(cd);
-
-       cd.sourceEnd = lParenPos;
-       cd.bodyStart = lParenPos + 1;
-}
-protected void consumeDefaultModifiers() {
-       checkAnnotation(); // might update modifiers with AccDeprecated
-       pushOnIntStack(modifiers); // modifiers
-       pushOnIntStack(-1);
-       pushOnIntStack(
-               declarationSourceStart >= 0 ? declarationSourceStart : scanner.startPosition); 
-       resetModifiers();
-}
-protected void consumeDiet() {
-       // Diet ::= $empty
-       super.consumeDiet();
-       /* persisting javadoc positions
-        * Will be consume in consumeClassBodyDeclaration
-        */
-       pushOnIntArrayStack(this.getJavaDocPositions());        
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeEnterCompilationUnit() {
-       // EnterCompilationUnit ::= $empty
-       requestor.enterCompilationUnit();
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeEnterVariable() {
-       // EnterVariable ::= $empty
-       boolean isLocalDeclaration = isLocalDeclaration();
-       if (!isLocalDeclaration && (variablesCounter[nestedType] != 0)) {
-               requestor.exitField(lastFieldBodyEndPosition, lastFieldEndPosition);
-       }
-       char[] name = identifierStack[identifierPtr];
-       long namePosition = identifierPositionStack[identifierPtr--];
-       int extendedTypeDimension = intStack[intPtr--];
-
-       AbstractVariableDeclaration declaration;
-       if (nestedMethod[nestedType] != 0) {
-               // create the local variable declarations
-               declaration = 
-                       new LocalDeclaration(null, name, (int) (namePosition >>> 32), (int) namePosition); 
-       } else {
-               // create the field declaration
-               declaration = 
-                       new FieldDeclaration(null, name, (int) (namePosition >>> 32), (int) namePosition); 
-       }
-       identifierLengthPtr--;
-       TypeReference type;
-       int variableIndex = variablesCounter[nestedType];
-       int typeDim = 0;
-       if (variableIndex == 0) {
-               // first variable of the declaration (FieldDeclaration or LocalDeclaration)
-               if (nestedMethod[nestedType] != 0) {
-                       // local declaration
-                       declaration.declarationSourceStart = intStack[intPtr--];
-                       declaration.modifiersSourceStart = intStack[intPtr--];
-                       declaration.modifiers = intStack[intPtr--];
-                       type = getTypeReference(typeDim = intStack[intPtr--]); // type dimension
-                       pushOnAstStack(type);
-               } else {
-                       // field declaration
-                       type = getTypeReference(typeDim = intStack[intPtr--]); // type dimension
-                       pushOnAstStack(type);
-                       declaration.declarationSourceStart = intStack[intPtr--];
-                       declaration.modifiersSourceStart = intStack[intPtr--];
-                       declaration.modifiers = intStack[intPtr--];
-               }
-       } else {
-               type = (TypeReference) astStack[astPtr - variableIndex];
-               typeDim = type.dimensions();
-               AbstractVariableDeclaration previousVariable = 
-                       (AbstractVariableDeclaration) astStack[astPtr]; 
-               declaration.declarationSourceStart = previousVariable.declarationSourceStart;
-               declaration.modifiers = previousVariable.modifiers;
-               declaration.modifiersSourceStart = previousVariable.modifiersSourceStart;
-       }
-
-       localIntPtr = intPtr;
-
-       if (extendedTypeDimension == 0) {
-               declaration.type = type;
-       } else {
-               int dimension = typeDim + extendedTypeDimension;
-               //on the identifierLengthStack there is the information about the type....
-               int baseType;
-               if ((baseType = identifierLengthStack[identifierLengthPtr + 1]) < 0) {
-                       //it was a baseType
-                       declaration.type = TypeReference.baseTypeReference(-baseType, dimension);
-                       declaration.type.sourceStart = type.sourceStart;
-                       declaration.type.sourceEnd = type.sourceEnd;
-               } else {
-                       declaration.type = this.copyDims(type, dimension);
-               }
-       }
-       variablesCounter[nestedType]++;
-       nestedMethod[nestedType]++;
-       pushOnAstStack(declaration);
-
-       int[] javadocPositions = intArrayStack[intArrayPtr];
-       if (!isLocalDeclaration) {
-               requestor
-                       .enterField(
-                               declaration.declarationSourceStart, 
-                               javadocPositions, 
-                               declaration.modifiers, 
-                               declaration.modifiersSourceStart, 
-                               returnTypeName(declaration.type), 
-                               type.sourceStart, 
-                               type.sourceEnd, 
-                               typeDims, 
-                               name, 
-                               (int) (namePosition >>> 32), 
-                               (int) namePosition, 
-                               extendedTypeDimension, 
-                               extendedTypeDimension == 0 ? -1 : endPosition); 
-       }
-}
-/**
- *
- * 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();
-       nestedMethod[nestedType]--;     
-       lastFieldEndPosition = scanner.currentPosition - 1;
-       lastFieldBodyEndPosition =      ((AbstractVariableDeclaration) astStack[astPtr]).initialization.sourceEnd;
-}
-protected void consumeExitVariableWithoutInitialization() {
-       // ExitVariableWithoutInitialization ::= $empty
-       // do nothing by default
-       super.consumeExitVariableWithoutInitialization();
-       nestedMethod[nestedType]--;     
-       lastFieldEndPosition = scanner.currentPosition - 1;
-       lastFieldBodyEndPosition = scanner.startPosition - 1;
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeFieldDeclaration() {
-       // See consumeLocalVariableDeclarationDefaultModifier() in case of change: duplicated code
-       // FieldDeclaration ::= Modifiersopt Type VariableDeclarators ';'
-       // the super.consumeFieldDeclaration will reinitialize the variableCounter[nestedType]  
-       int variableIndex = variablesCounter[nestedType];
-       super.consumeFieldDeclaration();
-       intArrayPtr--;
-       if (isLocalDeclaration())
-               return;
-       if (variableIndex != 0) {
-               requestor.exitField(lastFieldBodyEndPosition, lastFieldEndPosition);
-       }
-}
-protected void consumeFormalParameter() {
-       // FormalParameter ::= Type VariableDeclaratorId ==> false
-       // FormalParameter ::= Modifiers Type VariableDeclaratorId ==> true
-       /*
-       astStack : 
-       identifierStack : type identifier
-       intStack : dim dim
-        ==>
-       astStack : Argument
-       identifierStack :  
-       intStack :  
-       */
-
-       identifierLengthPtr--;
-       char[] name = identifierStack[identifierPtr];
-       long namePositions = identifierPositionStack[identifierPtr--];
-       TypeReference type = getTypeReference(intStack[intPtr--] + intStack[intPtr--]);
-       intPtr -= 3;
-       Argument arg = 
-               new Argument(
-                       name, 
-                       namePositions, 
-                       type, 
-                       intStack[intPtr + 1]); // modifiers
-       pushOnAstStack(arg);
-       intArrayPtr--;
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeInterfaceDeclaration() {
-       super.consumeInterfaceDeclaration();
-       // we know that we have a TypeDeclaration on the top of the astStack
-       if (isLocalDeclaration()) {
-               // we ignore the local variable declarations
-               return;
-       }
-       requestor.exitInterface(endStatementPosition, // the '}' is the end of the body
-        ((TypeDeclaration) astStack[astPtr]).declarationSourceEnd);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeInterfaceHeader() {
-       //InterfaceHeader ::= $empty
-       super.consumeInterfaceHeader();
-       if (isLocalDeclaration()) {
-               // we ignore the local variable declarations
-               intArrayPtr--;
-               return;
-       }
-       TypeDeclaration typeDecl = (TypeDeclaration) astStack[astPtr];
-       TypeReference[] superInterfaces = typeDecl.superInterfaces;
-       char[][] interfaceNames = null;
-       int[] interfaceNameStarts = null;
-       int[] interfacenameEnds = null;
-       int superInterfacesLength = 0;
-       if (superInterfaces != null) {
-               superInterfacesLength = superInterfaces.length;
-               interfaceNames = new char[superInterfacesLength][];
-               interfaceNameStarts = new int[superInterfacesLength];
-               interfacenameEnds = new int[superInterfacesLength];
-       }
-       if (superInterfaces != null) {
-               for (int i = 0; i < superInterfacesLength; i++) {
-                       TypeReference superInterface = superInterfaces[i];
-                       interfaceNames[i] = CharOperation.concatWith(superInterface.getTypeName(), '.'); 
-                       interfaceNameStarts[i] = superInterface.sourceStart;
-                       interfacenameEnds[i] = superInterface.sourceEnd;
-               }
-       }
-       // flush the comments related to the interface header
-       scanner.commentPtr = -1;
-       requestor.enterInterface(
-               typeDecl.declarationSourceStart, 
-               intArrayStack[intArrayPtr--], 
-               typeDecl.modifiers, 
-               typeDecl.modifiersSourceStart, 
-               typeStartPosition, 
-               typeDecl.name, 
-               typeDecl.sourceStart, 
-               typeDecl.sourceEnd, 
-               interfaceNames, 
-               interfaceNameStarts, 
-               interfacenameEnds, 
-               scanner.currentPosition - 1); 
-}
-protected void consumeInterfaceHeaderName() {
-       // InterfaceHeaderName ::= Modifiersopt 'interface' 'Identifier'
-       TypeDeclaration typeDecl;
-       if (nestedMethod[nestedType] == 0) {
-               if (nestedType != 0) {
-                       typeDecl = new MemberTypeDeclaration(this.compilationUnit.compilationResult);
-               } else {
-                       typeDecl = new TypeDeclaration(this.compilationUnit.compilationResult);
-               }
-       } else {
-               // Record that the block has a declaration for local types
-               typeDecl = new LocalTypeDeclaration(this.compilationUnit.compilationResult);
-               markCurrentMethodWithLocalType();
-               blockReal();
-       }
-
-       //highlight the name of the type
-       long pos = identifierPositionStack[identifierPtr];
-       typeDecl.sourceEnd = (int) pos;
-       typeDecl.sourceStart = (int) (pos >>> 32);
-       typeDecl.name = identifierStack[identifierPtr--];
-       identifierLengthPtr--;
-
-       //compute the declaration source too
-       // 'class' and 'interface' push an int position
-       typeStartPosition = typeDecl.declarationSourceStart = intStack[intPtr--];
-       intPtr--;
-       int declarationSourceStart = intStack[intPtr--];
-       typeDecl.modifiersSourceStart = intStack[intPtr--];
-       typeDecl.modifiers = intStack[intPtr--];
-       if (typeDecl.declarationSourceStart > declarationSourceStart) {
-               typeDecl.declarationSourceStart = declarationSourceStart;
-       }
-       typeDecl.bodyStart = typeDecl.sourceEnd + 1;
-       pushOnAstStack(typeDecl);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeLocalVariableDeclaration() {
-       // See consumeLocalVariableDeclarationDefaultModifier() in case of change: duplicated code
-       // FieldDeclaration ::= Modifiersopt Type VariableDeclarators ';'
-
-       super.consumeLocalVariableDeclaration();
-       intArrayPtr--;
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeMethodDeclaration(boolean isNotAbstract) {
-       // MethodDeclaration ::= MethodHeader MethodBody
-       // AbstractMethodDeclaration ::= MethodHeader ';'
-       super.consumeMethodDeclaration(isNotAbstract);
-       if (isLocalDeclaration()) {
-               // we ignore the local variable declarations
-               return;
-       }
-       MethodDeclaration md = (MethodDeclaration) astStack[astPtr];
-       requestor.exitMethod(endStatementPosition, md.declarationSourceEnd);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeMethodHeader() {
-       // MethodHeader ::= MethodHeaderName MethodHeaderParameters MethodHeaderExtendedDims ThrowsClauseopt
-       super.consumeMethodHeader();
-       if (isLocalDeclaration()) {
-               // we ignore the local variable declarations
-               intArrayPtr--;
-               return;
-       }
-       MethodDeclaration md = (MethodDeclaration) astStack[astPtr];
-
-       TypeReference returnType = md.returnType;
-       char[] returnTypeName = returnTypeName(returnType);
-       Argument[] arguments = md.arguments;
-       char[][] argumentTypes = null;
-       char[][] argumentNames = null;
-       int[] argumentTypeStarts = null;
-       int[] argumentTypeEnds = null;
-       int[] argumentNameStarts = null;
-       int[] argumentNameEnds = null;
-       if (arguments != null) {
-               int argumentLength = arguments.length;
-               argumentTypes = new char[argumentLength][];
-               argumentNames = new char[argumentLength][];
-               argumentNameStarts = new int[argumentLength];
-               argumentNameEnds = new int[argumentLength];
-               argumentTypeStarts = new int[argumentLength];
-               argumentTypeEnds = new int[argumentLength];
-               for (int i = 0; i < argumentLength; i++) {
-                       Argument argument = arguments[i];
-                       TypeReference argumentType = argument.type;
-                       argumentTypes[i] = returnTypeName(argumentType);
-                       argumentNames[i] = argument.name;
-                       argumentNameStarts[i] = argument.sourceStart;
-                       argumentNameEnds[i] = argument.sourceEnd;
-                       argumentTypeStarts[i] = argumentType.sourceStart;
-                       argumentTypeEnds[i] = argumentType.sourceEnd;
-               }
-       }
-       TypeReference[] thrownExceptions = md.thrownExceptions;
-       char[][] exceptionTypes = null;
-       int[] exceptionTypeStarts = null;
-       int[] exceptionTypeEnds = null;
-       if (thrownExceptions != null) {
-               int thrownExceptionLength = thrownExceptions.length;
-               exceptionTypeStarts = new int[thrownExceptionLength];
-               exceptionTypeEnds = new int[thrownExceptionLength];
-               exceptionTypes = new char[thrownExceptionLength][];
-               for (int i = 0; i < thrownExceptionLength; i++) {
-                       TypeReference exception = thrownExceptions[i];
-                       exceptionTypes[i] = CharOperation.concatWith(exception.getTypeName(), '.');
-                       exceptionTypeStarts[i] = exception.sourceStart;
-                       exceptionTypeEnds[i] = exception.sourceEnd;
-               }
-       }
-       requestor
-               .enterMethod(
-                       md.declarationSourceStart, 
-                       intArrayStack[intArrayPtr--], 
-                       md.modifiers, 
-                       md.modifiersSourceStart, 
-                       returnTypeName, 
-                       returnType.sourceStart, 
-                       returnType.sourceEnd, 
-                       typeDims, 
-                       md.selector, 
-                       md.sourceStart, 
-                       (int) (selectorSourcePositions & 0xFFFFFFFFL), 
-                       argumentTypes, 
-                       argumentTypeStarts, 
-                       argumentTypeEnds, 
-                       argumentNames, 
-                       argumentNameStarts, 
-                       argumentNameEnds, 
-                       rParenPos, 
-                       extendsDim, 
-                       extendsDim == 0 ? -1 : endPosition, 
-                       exceptionTypes, 
-                       exceptionTypeStarts, 
-                       exceptionTypeEnds, 
-                       scanner.currentPosition - 1); 
-}
-protected void consumeMethodHeaderExtendedDims() {
-       // MethodHeaderExtendedDims ::= Dimsopt
-       // now we update the returnType of the method
-       MethodDeclaration md = (MethodDeclaration) astStack[astPtr];
-       int extendedDims = intStack[intPtr--];
-       extendsDim = extendedDims;
-       if (extendedDims != 0) {
-               TypeReference returnType = md.returnType;
-               md.sourceEnd = endPosition;
-               int dims = returnType.dimensions() + extendedDims;
-               int baseType;
-               if ((baseType = identifierLengthStack[identifierLengthPtr + 1]) < 0) {
-                       //it was a baseType
-                       int sourceStart = returnType.sourceStart;
-                       int sourceEnd = returnType.sourceEnd;
-                       returnType = TypeReference.baseTypeReference(-baseType, dims);
-                       returnType.sourceStart = sourceStart;
-                       returnType.sourceEnd = sourceEnd;
-                       md.returnType = returnType;
-               } else {
-                       md.returnType = this.copyDims(md.returnType, dims);
-               }
-               if (currentToken == TokenNameLBRACE) {
-                       md.bodyStart = endPosition + 1;
-               }
-       }
-}
-protected void consumeMethodHeaderName() {
-       // MethodHeaderName ::= Modifiersopt Type 'Identifier' '('
-       MethodDeclaration md = new MethodDeclaration(this.compilationUnit.compilationResult);
-
-       //name
-       md.selector = identifierStack[identifierPtr];
-       selectorSourcePositions = identifierPositionStack[identifierPtr--];
-       identifierLengthPtr--;
-       //type
-       md.returnType = getTypeReference(typeDims = intStack[intPtr--]);
-       //modifiers
-       md.declarationSourceStart = intStack[intPtr--];
-       md.modifiersSourceStart = intStack[intPtr--];
-       md.modifiers = intStack[intPtr--];
-
-       //highlight starts at selector start
-       md.sourceStart = (int) (selectorSourcePositions >>> 32);
-       pushOnAstStack(md);
-       md.bodyStart = scanner.currentPosition-1;
-}
-protected void consumeModifiers() {
-       checkAnnotation(); // might update modifiers with AccDeprecated
-       pushOnIntStack(modifiers); // modifiers
-       pushOnIntStack(modifiersSourceStart);
-       pushOnIntStack(
-               declarationSourceStart >= 0 ? declarationSourceStart : modifiersSourceStart); 
-       resetModifiers();
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumePackageDeclarationName() {
-       /* persisting javadoc positions */
-       pushOnIntArrayStack(this.getJavaDocPositions());
-
-       super.consumePackageDeclarationName();
-       ImportReference importReference = compilationUnit.currentPackage;
-
-       requestor.acceptPackage(
-               importReference.declarationSourceStart, 
-               importReference.declarationSourceEnd, 
-               intArrayStack[intArrayPtr--], 
-               CharOperation.concatWith(importReference.getImportName(), '.'),
-               importReference.sourceStart);
-}
-protected void consumePushModifiers() {
-       checkAnnotation(); // might update modifiers with AccDeprecated
-       pushOnIntStack(modifiers); // modifiers
-       if (modifiersSourceStart < 0) {
-               pushOnIntStack(-1);
-               pushOnIntStack(
-                       declarationSourceStart >= 0 ? declarationSourceStart : scanner.startPosition); 
-       } else {
-               pushOnIntStack(modifiersSourceStart);
-               pushOnIntStack(
-                       declarationSourceStart >= 0 ? declarationSourceStart : modifiersSourceStart); 
-       }
-       resetModifiers();
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeSingleTypeImportDeclarationName() {
-       // SingleTypeImportDeclarationName ::= 'import' Name
-
-       /* persisting javadoc positions */
-       pushOnIntArrayStack(this.getJavaDocPositions());
-
-       super.consumeSingleTypeImportDeclarationName();
-       ImportReference importReference = (ImportReference) astStack[astPtr];
-       requestor.acceptImport(
-               importReference.declarationSourceStart, 
-               importReference.declarationSourceEnd,
-               intArrayStack[intArrayPtr--],
-               CharOperation.concatWith(importReference.getImportName(), '.'),
-               importReference.sourceStart,
-               false);
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeStaticInitializer() {
-       // StaticInitializer ::=  StaticOnly Block
-       //push an Initializer
-       //optimize the push/pop
-       super.consumeStaticInitializer();
-       Initializer initializer = (Initializer) astStack[astPtr];
-       requestor.acceptInitializer(
-               initializer.declarationSourceStart,
-               initializer.declarationSourceEnd,
-               intArrayStack[intArrayPtr--],
-               AccStatic, 
-               intStack[intPtr--], 
-               initializer.block.sourceStart,
-               initializer.declarationSourceEnd);
-}
-protected void consumeStaticOnly() {
-       // StaticOnly ::= 'static'
-       checkAnnotation(); // might update declaration source start
-       pushOnIntStack(modifiersSourceStart);
-       pushOnIntStack(
-               declarationSourceStart >= 0 ? declarationSourceStart : modifiersSourceStart); 
-       jumpOverMethodBody();
-       nestedMethod[nestedType]++;
-       resetModifiers();
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-protected void consumeTypeImportOnDemandDeclarationName() {
-       // TypeImportOnDemandDeclarationName ::= 'import' Name '.' '*'
-
-       /* persisting javadoc positions */
-       pushOnIntArrayStack(this.getJavaDocPositions());
-
-       super.consumeTypeImportOnDemandDeclarationName();
-       ImportReference importReference = (ImportReference) astStack[astPtr];
-       requestor.acceptImport(
-               importReference.declarationSourceStart, 
-               importReference.declarationSourceEnd,
-               intArrayStack[intArrayPtr--],
-               CharOperation.concatWith(importReference.getImportName(), '.'), 
-               importReference.sourceStart,
-               true);
-}
-public CompilationUnitDeclaration endParse(int act) {
-       if (scanner.recordLineSeparator) {
-               requestor.acceptLineSeparatorPositions(scanner.getLineEnds());
-       }
-       return super.endParse(act);
-}
-/*
- * 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);
-}
-protected 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;
-       TypeReference ref;
-       if ((length = identifierLengthStack[identifierLengthPtr--]) == 1) {
-               // single variable reference
-               if (dim == 0) {
-                       ref = 
-                               new SingleTypeReference(
-                                       identifierStack[identifierPtr], 
-                                       identifierPositionStack[identifierPtr--]); 
-               } else {
-                       ref = 
-                               new ArrayTypeReference(
-                                       identifierStack[identifierPtr], 
-                                       dim, 
-                                       identifierPositionStack[identifierPtr--]); 
-                       ref.sourceEnd = endPosition;
-               }
-       } else {
-               if (length < 0) { //flag for precompiled type reference on base types
-                       ref = TypeReference.baseTypeReference(-length, dim);
-                       ref.sourceStart = intStack[intPtr--];
-                       if (dim == 0) {
-                               ref.sourceEnd = intStack[intPtr--];
-                       } else {
-                               intPtr--;
-                               ref.sourceEnd = endPosition;
-                       }
-               } 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) {
-                               ref = new QualifiedTypeReference(tokens, positions);
-                       } else {
-                               ref = new ArrayQualifiedTypeReference(tokens, dim, positions);
-                               ref.sourceEnd = endPosition;
-                       }
-               }
-       };
-       return ref;
-}
-public void initialize() {
-       //positionning the parser for a new compilation unit
-       //avoiding stack reallocation and all that....
-       super.initialize();
-       intArrayPtr = -1;
-}
-/**
- *
- * INTERNAL USE-ONLY
- */
-private boolean isLocalDeclaration() {
-       int nestedDepth = nestedType;
-       while (nestedDepth >= 0) {
-               if (nestedMethod[nestedDepth] != 0) {
-                       return true;
-               }
-               nestedDepth--;
-       }
-       return false;
-}
-/*
- * Investigate one entire unit.
- */
-public void parseCompilationUnit(ICompilationUnit unit) {
-       char[] regionSource = unit.getContents();
-       try {
-               initialize();
-               goForCompilationUnit();
-               referenceContext =
-                       compilationUnit = 
-                               compilationUnit = 
-                                       new CompilationUnitDeclaration(
-                                               problemReporter(), 
-                                               new CompilationResult(unit, 0, 0, this.options.maxProblemsPerUnit), 
-                                               regionSource.length); 
-               scanner.resetTo(0, regionSource.length);
-               scanner.setSource(regionSource);
-               parse();
-       } catch (AbortCompilation ex) {
-       }
-}
-/*
- * Investigate one constructor declaration.
- */
-public void parseConstructor(char[] regionSource) {
-       try {
-               initialize();
-               goForClassBodyDeclarations();
-               referenceContext = 
-                       compilationUnit = 
-                               compilationUnit = 
-                                       new CompilationUnitDeclaration(
-                                               problemReporter(), 
-                                               new CompilationResult(regionSource, 0, 0, this.options.maxProblemsPerUnit), 
-                                               regionSource.length); 
-               scanner.resetTo(0, regionSource.length);
-               scanner.setSource(regionSource);
-               parse();
-       } catch (AbortCompilation ex) {
-       }
-}
-/*
- * Investigate one field declaration statement (might have multiple declarations in it).
- */
-public void parseField(char[] regionSource) {
-       try {
-               initialize();
-               goForFieldDeclaration();
-               referenceContext = 
-                       compilationUnit = 
-                               compilationUnit = 
-                                       new CompilationUnitDeclaration(
-                                               problemReporter(), 
-                                               new CompilationResult(regionSource, 0, 0, this.options.maxProblemsPerUnit), 
-                                               regionSource.length); 
-               scanner.resetTo(0, regionSource.length);
-               scanner.setSource(regionSource);
-               parse();
-       } catch (AbortCompilation ex) {
-       }
-
-}
-/*
- * Investigate one import statement declaration.
- */
-public void parseImport(char[] regionSource) {
-       try {
-               initialize();
-               goForImportDeclaration();
-               referenceContext = 
-                       compilationUnit = 
-                               compilationUnit = 
-                                       new CompilationUnitDeclaration(
-                                               problemReporter(), 
-                                               new CompilationResult(regionSource, 0, 0, this.options.maxProblemsPerUnit), 
-                                               regionSource.length); 
-               scanner.resetTo(0, regionSource.length);
-               scanner.setSource(regionSource);
-               parse();
-       } catch (AbortCompilation ex) {
-       }
-
-}
-/*
- * Investigate one initializer declaration.
- * regionSource need to content exactly an initializer declaration.
- * e.g: static { i = 4; }
- * { name = "test"; }
- */
-public void parseInitializer(char[] regionSource) {
-       try {
-               initialize();
-               goForInitializer();
-               referenceContext = 
-                       compilationUnit = 
-                               compilationUnit = 
-                                       new CompilationUnitDeclaration(
-                                               problemReporter(), 
-                                               new CompilationResult(regionSource, 0, 0, this.options.maxProblemsPerUnit), 
-                                               regionSource.length); 
-               scanner.resetTo(0, regionSource.length);
-               scanner.setSource(regionSource);
-               parse();
-       } catch (AbortCompilation ex) {
-       }
-
-}
-/*
- * Investigate one method declaration.
- */
-public void parseMethod(char[] regionSource) {
-       try {
-               initialize();
-               goForGenericMethodDeclaration();
-               referenceContext = 
-                       compilationUnit = 
-                               compilationUnit = 
-                                       new CompilationUnitDeclaration(
-                                               problemReporter(), 
-                                               new CompilationResult(regionSource, 0, 0, this.options.maxProblemsPerUnit), 
-                                               regionSource.length); 
-               scanner.resetTo(0, regionSource.length);
-               scanner.setSource(regionSource);
-               parse();
-       } catch (AbortCompilation ex) {
-       }
-
-}
-/*
- * Investigate one package statement declaration.
- */
-public void parsePackage(char[] regionSource) {
-       try {
-               initialize();
-               goForPackageDeclaration();
-               referenceContext = 
-                       compilationUnit = 
-                               compilationUnit = 
-                                       new CompilationUnitDeclaration(
-                                               problemReporter(), 
-                                               new CompilationResult(regionSource, 0, 0, this.options.maxProblemsPerUnit), 
-                                               regionSource.length); 
-               scanner.resetTo(0, regionSource.length);
-               scanner.setSource(regionSource);
-               parse();
-       } catch (AbortCompilation ex) {
-       }
-
-}
-/*
- * Investigate one type declaration, its fields, methods and member types.
- */
-public void parseType(char[] regionSource) {
-       try {
-               initialize();
-               goForTypeDeclaration();
-               referenceContext = 
-                       compilationUnit = 
-                               compilationUnit = 
-                                       new CompilationUnitDeclaration(
-                                               problemReporter(), 
-                                               new CompilationResult(regionSource, 0, 0, this.options.maxProblemsPerUnit), 
-                                               regionSource.length); 
-               scanner.resetTo(0, regionSource.length);
-               scanner.setSource(regionSource);
-               parse();
-       } catch (AbortCompilation ex) {
-       }
-
-}
-/**
- * Returns this parser's problem reporter initialized with its reference context.
- * Also it is assumed that a problem is going to be reported, so initializes
- * the compilation result's line positions.
- */
-public ProblemReporter problemReporter() {
-       problemReporter.referenceContext = referenceContext;
-       return problemReporter;
-}
-protected void pushOnIntArrayStack(int[] positions) {
-
-       try {
-               intArrayStack[++intArrayPtr] = positions;
-       } catch (IndexOutOfBoundsException e) {
-               //intPtr is correct 
-               int oldStackLength = intArrayStack.length;
-               int oldStack[][] = intArrayStack;
-               intArrayStack = new int[oldStackLength + StackIncrement][];
-               System.arraycopy(oldStack, 0, intArrayStack, 0, oldStackLength);
-               intArrayStack[intArrayPtr] = positions;
-       }
-}
-protected void resetModifiers() {
-       super.resetModifiers();
-       declarationSourceStart = -1;
-}
-/*
- * Syntax error was detected. Will attempt to perform some recovery action in order
- * to resume to the regular parse loop.
- */
-protected boolean resumeOnSyntaxError() {
-       return false;
-}
-/*
- * 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) {
-       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 String toString() {
-       StringBuffer buffer = new StringBuffer();
-       buffer.append("intArrayPtr = " + intArrayPtr + "\n"); //$NON-NLS-1$ //$NON-NLS-2$
-       buffer.append(super.toString());
-       return buffer.toString();
-}
-/**
- * INTERNAL USE ONLY
- */
-protected 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);
-               }
-       };
-       return ref;
-}
-}